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none);background:-webkit-gradient(linear, left top, left bottom, from(none), to(none));background:-o-linear-gradient(top, none, none);background:-ms-linear-gradient(top, none, none);background:linear-gradient(top, none, none);;background-position:0 0;"><div class="smvContainer" id="smv_Main" cpid="1133604" style="min-height:200px;width:1200px;height:965px; position: relative; "><div id="smv_tem_25_33" ctype="newsItemTitleBind" class="smartRecpt esmartMargin smartAbs " cpid="1133604" cstyle="Style1" ccolor="Item0" areaId="" isContainer="False" pvid="" tareaId="" re-direction="x" daxis="All" isdeletable="True" style="min-height: 34px; width: 600px; left: 0px; top: 468px;z-index:2;"><div class="yibuFrameContent tem_25_33 newsItemTitleBind_Style1 " style="overflow:visible;;" ><h1 class="w-title">高壓靜電水處理器腔內電場分布分析與阻垢效果研究</h1></div></div><div id="smv_tem_26_24" ctype="newsItemContentBind" class="smartRecpt esmartMargin smartAbs " cpid="1133604" cstyle="Style1" ccolor="Item0" areaId="" isContainer="False" pvid="" tareaId="" re-direction="all" daxis="All" isdeletable="True" style="min-height: 286px; width: 1200px; left: 0px; top: 558px;z-index:3;"><div class="yibuFrameContent tem_26_24 newsItemContentBind_Style1 " style="overflow:visible;;" ><style> .w-detail ul, .w-detail li, .w-detail ol { list-style: inherit; } .w-detail ul, .w-detail ol { padding-left: 40px; } </style>  <div id="tem_26_24_txt" class="w-detailcontent"> <div class="w-detail"><div style="text-align:center"><span style="font-size:9pt"><span style="font-family:黑體"><span style="color:#000000">關鍵詞</span></span></span><span style="font-size:9pt"><span style="font-family:宋體"><span style="color:#000000">：水處理；電場強度；雙介質；方解石；文石 </span></span></span></div> <div><span style="font-size:12pt"><span style="font-family:黑體"><span style="color:#000000">引言 </span></span></span></div> <div><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000"> 離子棒水處理器是水處理領域中一種新型設 </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">備，最初由加拿大約克能源公司研制成功，在北美、</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">歐洲、日本等工業發達國家被廣泛使用，國際上著</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">名的 </span></span></span><span style="font-size:10.5pt"><span style="font-family:Times New Roman"><span style="color:#000000">IBM</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">、杜邦等公司均采用了該項技術</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">[1-3]</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">。</span></span></span><span style="font-size:10.5pt"><span style="font-family:Times New Roman"><span style="color:#000000">20 </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">世紀 </span></span></span><span style="font-size:10.5pt"><span style="font-family:Times New Roman"><span style="color:#000000">90 </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">年代引入我國，在電力、鋼鐵、石化等工 </span></span></span></div> <div><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">業循環水及空調系統使用，取得非常滿意的效果，</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">被喻為水處理技術的一次革命。</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">火電廠的敞開式循環冷卻水系統具有循環水 </span></span></span></div> <div><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">量大、處理困難、運行溫度低等特點</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">[4-5]</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">，自 </span></span></span><span style="font-size:10.5pt"><span style="font-family:Times New Roman"><span style="color:#000000">20 </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">世</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">紀 </span></span></span><span style="font-size:10.5pt"><span style="font-family:Times New Roman"><span style="color:#000000">90 </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">年代引入離子棒水處理器后，采用化學阻垢</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">藥劑輔助以離子棒水處理器對循環冷卻水進行處</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">理，有效地緩解了循環冷卻水在凝汽器銅管結垢問</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">題，降低處理成本，提高了處理效率</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">[6-13]</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">。</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">離子棒雖然具有體積小、處理成本低、安裝方 </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">便、適用范圍廣等特點，然而離子棒阻垢作用的影 </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">響因素極其復雜，阻垢作用機理探索的難度較大， </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">至今對其阻垢作用的機理不明，使離子棒應用于規 </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">模較大水量時的處理效果不佳。因此，在有關離子</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">棒所形成的高壓靜電場阻垢機理方面引起了眾多研 </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">究者的探索。如王志毅等</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">[14]</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">進行了高壓靜電離子棒</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">產生電場研究，得出高壓電場可使水分子的偶極矩</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">增大起到阻垢作用的結論；全貞花、葛紅花等</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">[15-16] </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">分別利用微電解對冷卻水進行了阻垢研究，發現微</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">電解在常溫下將離子或膠體顆粒穩定在水溶液中，</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">而在高溫下可以提供結晶核種子，促進水垢形成松</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">散的泥渣沉于水底現象</span></span></span><span style="font-size:10.5pt"><span style="font-family:Times New Roman"><span style="color:#000000">W.J.Liu </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">等</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">[17]</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">通過研究了不 </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">同高壓靜電場作用下時間與電壓的最優處理范圍，</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">認為作用時間為 </span></span></span><span style="font-size:10.5pt"><span style="font-family:Times New Roman"><span style="color:#000000">10s </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">時處理電壓最優范圍為 </span></span></span><span style="font-size:10.5pt"><span style="font-family:Times New Roman"><span style="color:#000000">200V~ </span></span></span><span style="font-size:10.5pt"><span style="font-family:Times New Roman"><span style="color:#000000">500V</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">，阻垢率達 </span></span></span><span style="font-size:10.5pt"><span style="font-family:Times New Roman"><span style="color:#000000">14%~35%</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">；美國 </span></span></span><span style="font-size:10.5pt"><span style="font-family:Times New Roman"><span style="color:#000000">Drexel </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">大學 </span></span></span><span style="font-size:10.5pt"><span style="font-family:Times New Roman"><span style="color:#000000">Rung </span></span></span><span style="font-size:10.5pt"><span style="font-family:Times New Roman"><span style="color:#000000">H.Lee</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">[18]</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">利用交變電磁場進行水的防垢處理研究，認 </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">為電磁場能夠促使污垢晶尺寸長大，使方解石型硬</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">垢變為文石型軟垢而易被水流帶走；宋衛鋒等</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">[19]</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">采</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">用直流和脈沖電流進行阻垢處理，結果表明在 </span></span></span><span style="font-size:10.5pt"><span style="font-family:Times New Roman"><span style="color:#000000">0~4V </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">直流電壓范圍內，電壓越高阻垢效果越顯著，</span></span></span><span style="font-size:10.5pt"><span style="font-family:Times New Roman"><span style="color:#000000">4V </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">時</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">阻垢率達到 </span></span></span><span style="font-size:10.5pt"><span style="font-family:Times New Roman"><span style="color:#000000">100%</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">，且脈沖電流阻垢效果優于直流電</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">流；曾敏、徐文彬等</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">[20]</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">采用方波脈沖電流進行阻垢 </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">研究，結果顯示平均電壓為 </span></span></span><span style="font-size:10.5pt"><span style="font-family:Times New Roman"><span style="color:#000000">2V </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">的脈沖方波的阻垢</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">率最佳。除此之外，國內許多學者還從宏觀角度對</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">換熱器表面的結垢特性進行預測研究，如趙波、楊</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">善讓等</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">[21]</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">利用人工智能算法建立循環冷卻水流固界</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">面下以水質參數描述污垢熱阻的預測模型，達到了</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">很高的預測精度；陳永昌等</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">[22]</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">利用自行搭建的高熱</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">流密度主動型強化傳熱裝置，對不同水質硬度、不</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">同金屬表面下的結垢進行了研究，結果表明，隨水</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">質硬度增加，所有金屬表面的結垢速率都加快，同</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">時溶液的電導率呈下降，水質的 </span></span></span><span style="font-size:10.5pt"><span style="font-family:Times New Roman"><span style="color:#000000">pH </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">值呈上升趨勢。</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">所有這些從微觀或宏觀角度進行的阻垢研究，都為</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">今后阻垢機理的探索提供了基本依據。</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">在采用高壓電場進行阻垢水處理研究方面，由</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">于阻垢作用因素較多、阻垢作用機理復雜，阻垢效</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">果呈不穩定狀態。當采用高電壓進行阻垢處理時，</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">究竟是電場使水分子的偶極矩增大起到阻垢作用，</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">還是電場促使水垢晶體形態改變而起到阻垢作用， </span></span></span></div> <div><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">這方面探討一直在爭論中。因此，有必要搭建一套</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">可精確衡量阻垢效果、排除無關干擾因素的實驗裝</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">置，從理論和實驗上對高壓靜電場的阻垢效果及機</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">理進行深入研究和分析。</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">本文利用自制的“高壓靜電水處理器”，通過</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">對某電廠的循環冷卻水進行動態模擬循環阻垢處</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">理，研究了離子棒水處理器腔內靜電場的形成以及</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">電場強度、電場能量密度的分布，初步探討了高壓</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">靜電場的阻垢機理，分析和研究了離子棒所形成的</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">高壓靜電場對循環冷卻水的阻垢效果。 </span></span></span></div> <div> </div> <div><span style="font-size:12pt"><span style="font-family:Arial"><span style="color:#000000">1 </span></span></span><span style="font-size:12pt"><span style="font-family:黑體"><span style="color:#000000">高壓靜電水處理器 </span></span></span></div> <div> </div> <div><span style="font-size:10.5pt"><span style="font-family:Arial"><span style="color:#000000">1.1 </span></span></span><span style="font-size:10.5pt"><span style="font-family:黑體"><span style="color:#000000">高壓靜電水處理器構造 </span></span></span></div> <div> </div> <div><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">高壓靜電水處理器由 </span></span></span><span style="font-size:10.5pt"><span style="font-family:Times New Roman"><span style="color:#000000">3 </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">部分組成：離子棒、金</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">屬管道和高壓發生器。</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">離子棒：湖南西門機電科技有限公司生產</span></span></span><span style="font-size:10.5pt"><span style="font-family:Times New Roman"><span style="color:#000000">HSCB-100 </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">型離子棒，</span></span></span><span style="font-size:10.7986pt"><span style="font-family:Symbol"><span style="color:#000000"><em style="font-style:italic">?</em></span></span></span><span style="font-size:10.5pt"><span style="font-family:Times New Roman"><span style="color:#000000">32mm</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">，長度 </span></span></span><span style="font-size:10.5pt"><span style="font-family:Times New Roman"><span style="color:#000000">330 mm</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">，耐壓</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">值 </span></span></span><span style="font-size:10.5pt"><span style="font-family:Times New Roman"><span style="color:#000000">45 kV</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">，功耗</span></span></span><span style="font-size:10.5pt"><span style="font-family:Times New Roman"><span style="color:#000000"><10 W</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">，絕緣外層為聚四氟乙烯</span></span></span><span style="font-size:10.5pt"><span style="font-family:Times New Roman"><span style="color:#000000">(polytetrafluoroethylene PTFE)</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">。</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">金屬管道：</span></span></span><span style="font-size:10.7986pt"><span style="font-family:Symbol"><span style="color:#000000"><em style="font-style:italic">?</em></span></span></span><span style="font-size:10.5pt"><span style="font-family:Times New Roman"><span style="color:#000000">100 mm </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">不銹鋼焊接制成，循環冷 </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">卻水由金屬管道下端進水從上端出水。</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">高壓發生器：天津市東文高壓電源廠生產 </span></span></span><span style="font-size:10.5pt"><span style="font-family:Times New Roman"><span style="color:#000000">DW</span></span></span><span style="font-size:10.5pt"><span style="font-family:Symbol"><span style="color:#000000">?</span></span></span><span style="font-size:10.5pt"><span style="font-family:Times New Roman"><span style="color:#000000">P303</span></span></span><span style="font-size:10.5pt"><span style="font-family:Symbol"><span style="color:#000000">?</span></span></span><span style="font-size:10.5pt"><span style="font-family:Times New Roman"><span style="color:#000000">1ACFO </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">型高壓發生器。輸出電壓：</span></span></span><span style="font-size:10.5pt"><span style="font-family:Times New Roman"><span style="color:#000000">0~ </span></span></span><span style="font-size:10.5pt"><span style="font-family:Symbol"><span style="color:#000000">?</span></span></span><span style="font-size:10.5pt"><span style="font-family:Times New Roman"><span style="color:#000000">30000V</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">；輸出電流：</span></span></span><span style="font-size:10.5pt"><span style="font-family:Times New Roman"><span style="color:#000000">1mA</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">；滿載時紋波</span></span></span><span style="font-size:10.5pt"><span style="font-family:Times New Roman"><span style="color:#000000">≤0.01%</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">；</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">負載調整率精度：</span></span></span><span style="font-size:10.5pt"><span style="font-family:Times New Roman"><span style="color:#000000">≤0.1%</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">。 </span></span></span></div> <div><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">高壓靜電水處理器主要參數如表 </span></span></span><span style="font-size:10.5pt"><span style="font-family:Times New Roman"><span style="color:#000000">1</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">。 </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">高壓靜電水處理器構造如圖 </span></span></span><span style="font-size:10.5pt"><span style="font-family:Times New Roman"><span style="color:#000000">1</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">。 </span></span></span></div> <div> <p style="text-align:center"><img alt="" height="549" src="http://nwzimg.wezhan.cn/contents/sitefiles2054/10274411/images/32222485.png" width="431" /></p> </div> <div> </div> <div><span style="font-size:10.5pt"><span style="font-family:Times New Roman"><span style="color:#000000">1.2.2 PTFE </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">介質中的電場分布 </span></span></span></div> <div> </div> <div><span style="font-size:10.5pt"><span style="font-family:Times New Roman"><span style="color:#000000">PTFE </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">作為離子棒的絕緣層，同時也構成了靜</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">電場的第 1 介質層。</span></span></span><span style="font-size:10.5pt"><span style="font-family:Times New Roman"><span style="color:#000000">PTFE </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">具有較低的相對介電常</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">數</span></span></span><span style="font-size:10.5pt"><span style="font-family:Times New Roman"><span style="color:#000000"><em style="font-style:italic">ε</em></span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">r </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">和介電損耗率和較高的擊穿電壓和耐電弧性，</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">密度 </span></span></span><span style="font-size:10.5pt"><span style="font-family:Times New Roman"><span style="color:#000000">2.14~2.20 g/cm</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">3 </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">，相對介電常數</span></span></span><span style="font-size:10.7986pt"><span style="font-family:Symbol"><span style="color:#000000"><em style="font-style:italic">?</em></span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">r</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">為 </span></span></span><span style="font-size:10.5pt"><span style="font-family:Times New Roman"><span style="color:#000000">2.0</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">，介電</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">損耗 </span></span></span><span style="font-size:10.5pt"><span style="font-family:Times New Roman"><span style="color:#000000">tanδ</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">為 </span></span></span><span style="font-size:10.5pt"><span style="font-family:Times New Roman"><span style="color:#000000">4.8×10</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">-4</span></span></span><span style="font-size:10.5pt"><span style="font-family:Times New Roman"><span style="color:#000000">~6.4×10</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">-4</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">，在所有的絕緣介質</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">中是較低的，這是由于 </span></span></span><span style="font-size:10.5pt"><span style="font-family:Times New Roman"><span style="color:#000000">PTFE </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">由極強的 </span></span></span><span style="font-size:10.5pt"><span style="font-family:Times New Roman"><span style="color:#000000">C</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">—</span></span></span><span style="font-size:10.5pt"><span style="font-family:Times New Roman"><span style="color:#000000">F </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">鍵</span></span></span><span style="font-size:10.5pt"><span style="font-family:Times New Roman"><span style="color:#000000">(</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">鍵</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">能 </span></span></span><span style="font-size:10.5pt"><span style="font-family:Times New Roman"><span style="color:#000000">485.3 kJ / mol)</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">和被原子所強化的 </span></span></span><span style="font-size:10.5pt"><span style="font-family:Times New Roman"><span style="color:#000000">C</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">—</span></span></span><span style="font-size:10.5pt"><span style="font-family:Times New Roman"><span style="color:#000000">C </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">鍵組成</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">的線型高分子聚合物緣故。 </span></span></span><span style="font-size:10.5pt"><span style="font-family:Times New Roman"><span style="color:#000000">PTFE </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">的穿電壓為</span></span></span><span style="font-size:10.5pt"><span style="font-family:Times New Roman"><span style="color:#000000">35 kV/mm</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">、體積電阻率為 </span></span></span><span style="font-size:10.5pt"><span style="font-family:Times New Roman"><span style="color:#000000">10</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">16 </span></span></span><span style="font-size:10.5pt"><span style="font-family:Times New Roman"><span style="color:#000000">?·m</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">，這是由于 </span></span></span><span style="font-size:10.5pt"><span style="font-family:Times New Roman"><span style="color:#000000">PTFE </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">的分子結構高度對稱，屬于非極性高分子聚合物電</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">介質，由于其分子結構高度對稱，故具有較高的擊</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">穿電壓、耐電弧性和較高的體積電阻率</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">[23]</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">，是一種</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">理想的絕緣材料。 </span></span></span><span style="font-size:10.5pt"><span style="font-family:Times New Roman"><span style="color:#000000">PTFE </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">為各向同性介質，當離子棒金屬陽極接</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">通高壓電源時，在 </span></span></span><span style="font-size:10.5pt"><span style="font-family:Times New Roman"><span style="color:#000000">PTFE </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">層內壁上要感應出束縛負</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">電荷。由于電荷守恒，在 </span></span></span><span style="font-size:10.5pt"><span style="font-family:Times New Roman"><span style="color:#000000">PTFE </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">層外壁必然產生等</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">量的束縛正電荷，束縛電荷反過來會部分削弱原來</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">的高壓靜電場，不過這種電荷是來自被束縛在分子</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">范圍內活動的電荷，比離子棒中心電荷數量要少</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">得多。 </span></span></span></div> <div> </div> <div><span style="font-size:10.5pt"><span style="font-family:Times New Roman"><span style="color:#000000">1.2.3 </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">循環冷卻水介質中的電場分布 </span></span></span></div> <div> </div> <div><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">當循環冷卻水流經高壓靜電水處理器時，在離</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">子棒絕緣層外壁與金屬水管之間形成了第 </span></span></span><span style="font-size:10.5pt"><span style="font-family:Times New Roman"><span style="color:#000000">2 </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">層介</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">質。對于水分子來說，水分子是極性分子，沒有外</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">電場作用時由于熱運動其方向是混亂排列的。當有</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">外電場作用時，由于水分子的固有電偶極矩受到電</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">場力作用將向電場方向偏轉形成極化現象，當然由</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">于水分子的熱運動，這種極化又是不完全的，甚至</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">是可以忽略的。</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">離子棒中心電極被施加高電壓后，經 </span></span></span><span style="font-size:10.5pt"><span style="font-family:Times New Roman"><span style="color:#000000">PTFE </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">和</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">循環冷卻水雙層介質，在水中形成了非均勻輻射狀</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">的穩恒高壓靜電場，此靜電場構成了循環冷卻水與</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">電場進行能量交換的空間。 </span></span></span></div> <div> </div> <div><span style="font-size:10.5pt"><span style="font-family:Arial"><span style="color:#000000">1.3 </span></span></span><span style="font-size:10.5pt"><span style="font-family:黑體"><span style="color:#000000">高壓靜電水處理器腔內電場強度計算 </span></span></span></div> <div> </div> <div><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">高壓靜電水處理器腔內視為共軸柱面電容器，</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">利用電磁學基本理論計算此共軸柱面電容器腔內</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">的電場強度。本文在計算時，首先做如下設定： </span></span></span></div> <div><span style="font-size:10.5pt"><span style="font-family:Times New Roman"><span style="color:#000000">1</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">）由于水中的電場強度極小，不足以產生強</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">極化場，故忽略水分子極化電荷所產生的附加電場</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">的影響； </span></span></span></div> <div><span style="font-size:10.5pt"><span style="font-family:Times New Roman"><span style="color:#000000">2</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">）將離子棒視為無限長線電荷分布，忽略離</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">子棒長度的邊界效應。</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">利用電位函數的拉普拉斯方程</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">[24]</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">，采用柱面坐</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">標系，計算出 </span></span></span><span style="font-size:10.5pt"><span style="font-family:Times New Roman"><span style="color:#000000">PTFE </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">和循環冷卻水兩種介質電場強度分布的表達式。由拉普拉斯方程： </span></span></span><img alt="" height="63" src="http://nwzimg.wezhan.cn/contents/sitefiles2054/10274411/images/32223181.png" width="183" /><span style="font-size:10.5pt"><span style="font-family:Times New Roman"><span style="color:#000000">(1) </span></span></span></div> <div><span style="font-size:10.5pt"><span style="font-family:Times New Roman"><span style="color:#000000">PTFE </span></span><span style="font-family:宋體"><span style="color:#000000">介質中的電位函數和電場強度： </span></span></span><img alt="" height="59" src="http://nwzimg.wezhan.cn/contents/sitefiles2054/10274411/images/32223199.png" width="211" /><span style="font-size:10.5pt"><span style="font-family:Times New Roman"><span style="color:#000000">(2) </span></span></span><img alt="" height="85" src="http://nwzimg.wezhan.cn/contents/sitefiles2054/10274411/images/32223207.png" width="257" /><span style="font-size:10.5094pt"><span style="font-family:Times New Roman"><span style="color:#000000">(3) </span></span></span></div> <div><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">水中的電位函數和電場強度： </span></span></span><img alt="" height="47" src="http://nwzimg.wezhan.cn/contents/sitefiles2054/10274411/images/32223225.png" width="212" /><span style="font-size:10.5094pt"><span style="font-family:Symbol"><span style="color:#000000"> </span></span></span><span style="font-size:10.5094pt"><span style="font-family:Times New Roman"><span style="color:#000000">(4)</span></span></span><img alt="" height="83" src="http://nwzimg.wezhan.cn/contents/sitefiles2054/10274411/images/32223251.png" width="261" /><span style="font-size:10.5094pt"><span style="font-family:Times New Roman"><span style="color:#000000">(5) </span></span></span></div> <div><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">式中：</span></span></span><span style="font-size:10.8082pt"><span style="font-family:Symbol"><span style="color:#000000"><em style="font-style:italic">?</em></span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">電位函數，</span></span></span><span style="font-size:10.5094pt"><span style="font-family:Times New Roman"><span style="color:#000000">V</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">；</span></span></span><span style="font-size:10.5094pt"><span style="font-family:TimesNewRomanPS-ItalicMT"><span style="color:#000000"><em style="font-style:italic">U</em></span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">1</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">為 </span></span></span><span style="font-size:10.5094pt"><span style="font-family:Times New Roman"><span style="color:#000000">PTFE </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">介質中的電壓，</span></span></span><span style="font-size:10.5094pt"><span style="font-family:Times New Roman"><span style="color:#000000">V</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">；</span></span></span><span style="font-size:10.5094pt"><span style="font-family:TimesNewRomanPS-ItalicMT"><span style="color:#000000"><em style="font-style:italic">U</em></span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">2 </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">為循環冷卻水中的電壓，</span></span></span><span style="font-size:10.5094pt"><span style="font-family:Times New Roman"><span style="color:#000000">V</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">；</span></span></span><span style="font-size:10.5pt"><span style="font-family:TimesNewRomanPS-BoldItalicMT"><span style="color:#000000"><strong style="font-weight:bold"><em style="font-style:italic">E</em></strong></span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">1 </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">為 </span></span></span><span style="font-size:10.5094pt"><span style="font-family:Times New Roman"><span style="color:#000000">PTFE </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">介</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">質中的電場強度，</span></span></span><span style="font-size:10.5094pt"><span style="font-family:Times New Roman"><span style="color:#000000">V/m</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">；</span></span></span><span style="font-size:10.5pt"><span style="font-family:TimesNewRomanPS-BoldItalicMT"><span style="color:#000000"><strong style="font-weight:bold"><em style="font-style:italic">E</em></strong></span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">2</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">為水中的電場強度，</span></span></span><span style="font-size:10.5094pt"><span style="font-family:Times New Roman"><span style="color:#000000">V/m</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">；</span></span></span><span style="font-size:10.5094pt"><span style="font-family:TimesNewRomanPS-ItalicMT"><span style="color:#000000"><em style="font-style:italic">r </em></span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">為半徑坐標，</span></span></span><span style="font-size:10.5094pt"><span style="font-family:Times New Roman"><span style="color:#000000">m</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">；</span></span></span><span style="font-size:10.5094pt"><span style="font-family:TimesNewRomanPS-ItalicMT"><span style="color:#000000"><em style="font-style:italic">R</em></span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">1 </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">為離子棒中心電極半徑，</span></span></span><span style="font-size:10.5094pt"><span style="font-family:Times New Roman"><span style="color:#000000">m</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">； </span></span></span><span style="font-size:10.5094pt"><span style="font-family:TimesNewRomanPS-ItalicMT"><span style="color:#000000"><em style="font-style:italic">R</em></span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">2</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">為離子棒聚四氟乙烯絕緣層的半徑，</span></span></span><span style="font-size:10.5094pt"><span style="font-family:Times New Roman"><span style="color:#000000">m</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">；</span></span></span><span style="font-size:10.5094pt"><span style="font-family:TimesNewRomanPS-ItalicMT"><span style="color:#000000"><em style="font-style:italic">R</em></span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">3</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">為金</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">屬管道半徑，</span></span></span><span style="font-size:10.5094pt"><span style="font-family:Times New Roman"><span style="color:#000000">m</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">。</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">由穩恒電場的邊界條件，在 </span></span></span><span style="font-size:10.5094pt"><span style="font-family:Times New Roman"><span style="color:#000000">PTFE </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">與循環冷卻</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">水的界面上電流是連續的，有： </span></span></span><img alt="" height="60" src="http://nwzimg.wezhan.cn/contents/sitefiles2054/10274411/images/32223297.png" width="208" /><span style="font-size:10.5094pt"><span style="font-family:Times New Roman"><span style="color:#000000">(6) </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">即： </span></span></span><img alt="" height="54" src="http://nwzimg.wezhan.cn/contents/sitefiles2054/10274411/images/32223308.png" width="203" /><span style="font-size:10.5094pt"><span style="font-family:Times New Roman"><span style="color:#000000">(7) </span></span></span></div> <div><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">由電磁學共軸柱面電容器理論</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">[22]</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">，知： </span></span></span><img alt="" height="38" src="http://nwzimg.wezhan.cn/contents/sitefiles2054/10274411/images/32223314.png" width="108" /><span style="font-size:10.5094pt"><span style="font-family:Times New Roman"><span style="color:#000000">(8) </span></span></span></div> <div><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">式中：</span></span></span><span style="font-size:10.5131pt"><span style="font-family:TimesNewRomanPS-ItalicMT"><span style="color:#000000"><em style="font-style:italic">U </em></span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">為離子棒總電壓，</span></span></span><span style="font-size:10.5094pt"><span style="font-family:Times New Roman"><span style="color:#000000">V</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">。 </span></span></span></div> <div><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000"> 取金屬管壁為零電位，電位差即為所施加的電</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">壓。由式</span></span></span><span style="font-size:10.5094pt"><span style="font-family:Times New Roman"><span style="color:#000000">(1)~(8)</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">，得高壓靜電水處理器內電場強度</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">分布的表達式： </span></span></span><img alt="" height="160" src="http://nwzimg.wezhan.cn/contents/sitefiles2054/10274411/images/32223339.png" width="323" /><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">(9) </span></span></span></div> <div><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">式中：</span></span></span><span style="font-size:10.8007pt"><span style="font-family:Symbol"><span style="color:#000000"><em style="font-style:italic">?</em></span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">1</span></span></span><span style="font-size:10.5021pt"><span style="font-family:Symbol"><span style="color:#000000">?</span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">2.5</span></span></span><span style="font-size:10.5021pt"><span style="font-family:Symbol"><span style="color:#000000">?</span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">10</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Symbol"><span style="color:#000000">?</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">15</span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">S/m </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">為 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">PTFE </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">介質層的電導率；</span></span></span><span style="font-size:10.8007pt"><span style="font-family:Symbol"><span style="color:#000000"><em style="font-style:italic">?</em></span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">2</span></span></span><span style="font-size:10.5021pt"><span style="font-family:Symbol"><span style="color:#000000">?</span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">0.2 S/m </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">為高壓靜電水處理器中循環冷卻水電導</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">率的測量值。 </span></span></span></div> <div><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">根據靜電場能量密度的表達式，有： </span></span></span><img alt="" height="50" src="http://nwzimg.wezhan.cn/contents/sitefiles2054/10274411/images/32223356.png" width="114" /><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">(10) </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">式中：</span></span></span><span style="font-size:10.5021pt"><span style="font-family:TimesNewRomanPS-ItalicMT"><span style="color:#000000"><em style="font-style:italic">w</em></span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">e </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">為能量密度，</span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">J/m</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">3</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">；</span></span></span><span style="font-size:10.8007pt"><span style="font-family:Symbol"><span style="color:#000000"><em style="font-style:italic">?</em></span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">r </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">為相對介電常數；</span></span></span><span style="font-size:10.8007pt"><span style="font-family:Symbol"><span style="color:#000000"><em style="font-style:italic">?</em></span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">0</span></span></span><span style="font-size:10.5021pt"><span style="font-family:Symbol"><span style="color:#000000">?</span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">8.85</span></span></span><span style="font-size:10.5021pt"><span style="font-family:Symbol"><span style="color:#000000">?</span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">10</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Symbol"><span style="color:#000000">?</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">12</span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">F/m</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">，為真空中的介電常數。 </span></span></span></div> <div> </div> <div><span style="font-size:10.5pt"><span style="font-family:Arial"><span style="color:#000000">1.4 </span></span></span><span style="font-size:10.5pt"><span style="font-family:黑體"><span style="color:#000000">高壓靜電水處理器腔內電場強度與能量密度 </span></span></span></div> <div> </div> <div><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">1.4.1 PTFE </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">層中電場強度與能量密度 </span></span></span></div> <div> </div> <div><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000"> 當 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:TimesNewRomanPS-ItalicMT"><span style="color:#000000"><em style="font-style:italic">R</em></span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">1</span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000"><</span></span></span><span style="font-size:10.5021pt"><span style="font-family:TimesNewRomanPS-ItalicMT"><span style="color:#000000"><em style="font-style:italic">r</em></span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000"><</span></span></span><span style="font-size:10.5021pt"><span style="font-family:TimesNewRomanPS-ItalicMT"><span style="color:#000000"><em style="font-style:italic">R</em></span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">2 </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">時為 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">PTFE </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">層空間；當 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:TimesNewRomanPS-ItalicMT"><span style="color:#000000"><em style="font-style:italic">R</em></span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">2</span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000"><</span></span></span><span style="font-size:10.5021pt"><span style="font-family:TimesNewRomanPS-ItalicMT"><span style="color:#000000"><em style="font-style:italic">r</em></span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000"><</span></span></span><span style="font-size:10.5021pt"><span style="font-family:TimesNewRomanPS-ItalicMT"><span style="color:#000000"><em style="font-style:italic">R</em></span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">3 </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">時 </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">為循環冷卻水空間</span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">(</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">其中 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:TimesNewRomanPS-ItalicMT"><span style="color:#000000"><em style="font-style:italic">R</em></span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">1</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">、</span></span></span><span style="font-size:10.5021pt"><span style="font-family:TimesNewRomanPS-ItalicMT"><span style="color:#000000"><em style="font-style:italic">R</em></span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">2</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">、</span></span></span><span style="font-size:10.5021pt"><span style="font-family:TimesNewRomanPS-ItalicMT"><span style="color:#000000"><em style="font-style:italic">R</em></span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">3</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">的數值見表 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">1)</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">。 </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">由式</span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">(9)</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">可見，</span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">2 </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">空間中的電場強度與空間半徑 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:TimesNewRomanPS-ItalicMT"><span style="color:#000000"><em style="font-style:italic">r </em></span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">呈 </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">反比關系，隨著距離增加，電場強度呈線性衰減分 </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">布，即在高壓靜電水處理器腔內電場強度是不均勻</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">輻射狀穩恒高壓靜電場。為了便于對比，在 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">2 </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">個空</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">間中各取一點，分別應用式</span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">(9)</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">和式</span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">(10)</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">計算其電場</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">強度和能量密度。 </span></span></span></div> <div><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">令 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:TimesNewRomanPS-ItalicMT"><span style="color:#000000"><em style="font-style:italic">r</em></span></span></span><span style="font-size:10.5021pt"><span style="font-family:Symbol"><span style="color:#000000">?</span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">15 mm</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">，</span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">PTFE </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">層中的電場強度和電場能</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">量密度的計算值如圖 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">3</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">、</span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">4</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">。 </span></span></span></div> <div><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">1.4.2 </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">循環冷卻水空間中電場強度與能量密度 </span></span></span></div> <div><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000"> 令 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:TimesNewRomanPS-ItalicMT"><span style="color:#000000"><em style="font-style:italic">r</em></span></span></span><span style="font-size:10.5021pt"><span style="font-family:Symbol"><span style="color:#000000">?</span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">17mm</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">，循環冷卻水空間的電場強度和電</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">場能量密度的計算值如圖 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">5</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">、</span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">6</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">。 </span></span></span></div> <div> <p style="text-align:center"><img alt="" height="191" src="http://nwzimg.wezhan.cn/contents/sitefiles2054/10274411/images/32223383.png" width="304" /></p> </div> <div style="text-align:center"><span style="font-size:9pt"><span style="font-family:黑體"><span style="color:#000000">圖 </span></span></span><span style="font-size:9pt"><span style="font-family:TimesNewRomanPS-BoldMT"><span style="color:#000000"><strong style="font-weight:bold">3 PTFE </strong></span></span></span><span style="font-size:9pt"><span style="font-family:黑體"><span style="color:#000000">層中 </span></span></span><span style="font-size:9pt"><span style="font-family:TimesNewRomanPS-BoldItalicMT"><span style="color:#000000"><strong style="font-weight:bold"><em style="font-style:italic">r</em></strong></span></span></span><span style="font-size:9pt"><span style="font-family:Symbol"><span style="color:#000000"><strong style="font-weight:bold">?</strong></span></span></span><span style="font-size:9pt"><span style="font-family:TimesNewRomanPS-BoldMT"><span style="color:#000000"><strong style="font-weight:bold">15mm </strong></span></span></span><span style="font-size:9pt"><span style="font-family:黑體"><span style="color:#000000">處電場強度值 </span></span></span></div> <div style="text-align:center"><span style="font-size:9pt"><span style="font-family:TimesNewRomanPS-BoldMT"><span style="color:#000000"><strong style="font-weight:bold">Fig. 3 Electric field intensity value in </strong></span></span></span><span style="font-size:9pt"><span style="font-family:TimesNewRomanPS-BoldMT"><span style="color:#000000"><strong style="font-weight:bold">PTFE layer in </strong></span></span></span><span style="font-size:9pt"><span style="font-family:TimesNewRomanPS-BoldItalicMT"><span style="color:#000000"><strong style="font-weight:bold"><em style="font-style:italic">r</em></strong></span></span></span><span style="font-size:9pt"><span style="font-family:Symbol"><span style="color:#000000"><strong style="font-weight:bold">?</strong></span></span></span><span style="font-size:9pt"><span style="font-family:TimesNewRomanPS-BoldMT"><span style="color:#000000"><strong style="font-weight:bold">15mm </strong></span></span></span></div> <div style="text-align:center"><img alt="" height="185" src="http://nwzimg.wezhan.cn/contents/sitefiles2054/10274411/images/32223417.png" width="321" /></div> <div style="text-align:center"><span style="font-size:9pt"><span style="font-family:黑體"><span style="color:#000000">圖 </span></span></span></div> <div style="text-align:center"><span style="font-size:9pt"><span style="font-family:TimesNewRomanPS-BoldMT"><span style="color:#000000"><strong style="font-weight:bold">4 PTFE </strong></span></span></span><span style="font-size:9pt"><span style="font-family:黑體"><span style="color:#000000">層中 </span></span></span><span style="font-size:9pt"><span style="font-family:TimesNewRomanPS-BoldItalicMT"><span style="color:#000000"><strong style="font-weight:bold"><em style="font-style:italic">r</em></strong></span></span></span><span style="font-size:9pt"><span style="font-family:Symbol"><span style="color:#000000"><strong style="font-weight:bold">?</strong></span></span></span><span style="font-size:9pt"><span style="font-family:TimesNewRomanPS-BoldMT"><span style="color:#000000"><strong style="font-weight:bold">15mm </strong></span></span></span><span style="font-size:9pt"><span style="font-family:黑體"><span style="color:#000000">處能量密度值 </span></span></span></div> <div style="text-align:center"><span style="font-size:9pt"><span style="font-family:TimesNewRomanPS-BoldMT"><span style="color:#000000"><strong style="font-weight:bold">Fig. 4 Energy density values in PTFE layer in </strong></span></span></span><span style="font-size:9pt"><span style="font-family:TimesNewRomanPS-BoldItalicMT"><span style="color:#000000"><strong style="font-weight:bold"><em style="font-style:italic">r</em></strong></span></span></span><span style="font-size:9pt"><span style="font-family:Symbol"><span style="color:#000000"><strong style="font-weight:bold">?</strong></span></span></span><span style="font-size:9pt"><span style="font-family:TimesNewRomanPS-BoldMT"><span style="color:#000000"><strong style="font-weight:bold">15 mm </strong></span></span></span></div> <div style="text-align:center"><img alt="" height="205" src="http://nwzimg.wezhan.cn/contents/sitefiles2054/10274411/images/32223427.png" width="316" /><span style="font-size:7.5pt"><span style="font-family:Times New Roman"><span style="color:#000000"> </span></span></span></div> <div style="text-align:center"><span style="font-size:9pt"><span style="font-family:黑體"><span style="color:#000000">圖 </span></span></span><span style="font-size:9pt"><span style="font-family:TimesNewRomanPS-BoldMT"><span style="color:#000000"><strong style="font-weight:bold">5 </strong></span></span></span><span style="font-size:9pt"><span style="font-family:黑體"><span style="color:#000000">循環冷卻水空間 </span></span></span><span style="font-size:9pt"><span style="font-family:TimesNewRomanPS-BoldItalicMT"><span style="color:#000000"><strong style="font-weight:bold"><em style="font-style:italic">r</em></strong></span></span></span><span style="font-size:9pt"><span style="font-family:Symbol"><span style="color:#000000"><strong style="font-weight:bold">?</strong></span></span></span><span style="font-size:9pt"><span style="font-family:TimesNewRomanPS-BoldMT"><span style="color:#000000"><strong style="font-weight:bold">17mm </strong></span></span></span><span style="font-size:9pt"><span style="font-family:黑體"><span style="color:#000000">處電場強度值 </span></span></span></div> <div style="text-align:center"><span style="font-size:9pt"><span style="font-family:TimesNewRomanPS-BoldMT"><span style="color:#000000"><strong style="font-weight:bold">Fig. 5 Energy density values in Circulating cooling </strong></span></span></span><span style="font-size:9pt"><span style="font-family:TimesNewRomanPS-BoldMT"><span style="color:#000000"><strong style="font-weight:bold">water space in </strong></span></span></span><span style="font-size:9pt"><span style="font-family:TimesNewRomanPS-BoldItalicMT"><span style="color:#000000"><strong style="font-weight:bold"><em style="font-style:italic">r</em></strong></span></span></span><span style="font-size:9pt"><span style="font-family:Symbol"><span style="color:#000000"><strong style="font-weight:bold">?</strong></span></span></span><span style="font-size:9pt"><span style="font-family:TimesNewRomanPS-BoldMT"><span style="color:#000000"><strong style="font-weight:bold">17mm </strong></span></span></span></div> <div style="text-align:center"><img alt="" height="235" src="http://nwzimg.wezhan.cn/contents/sitefiles2054/10274411/images/32223430.png" width="368" /><span style="font-size:7.4967pt"><span style="font-family:Times New Roman"><span style="color:#000000"> </span></span></span></div> <div style="text-align:center"><span style="font-size:9pt"><span style="font-family:黑體"><span style="color:#000000">圖 </span></span></span><span style="font-size:9pt"><span style="font-family:TimesNewRomanPS-BoldMT"><span style="color:#000000"><strong style="font-weight:bold">6 </strong></span></span></span><span style="font-size:9pt"><span style="font-family:黑體"><span style="color:#000000">循環冷卻水空間 </span></span></span><span style="font-size:9pt"><span style="font-family:TimesNewRomanPS-BoldItalicMT"><span style="color:#000000"><strong style="font-weight:bold"><em style="font-style:italic">r</em></strong></span></span></span><span style="font-size:9pt"><span style="font-family:Symbol"><span style="color:#000000"><strong style="font-weight:bold">?</strong></span></span></span><span style="font-size:9pt"><span style="font-family:TimesNewRomanPS-BoldMT"><span style="color:#000000"><strong style="font-weight:bold">17mm </strong></span></span></span><span style="font-size:9pt"><span style="font-family:黑體"><span style="color:#000000">處能量密度值 </span></span></span></div> <div style="text-align:center"><span style="font-size:9pt"><span style="font-family:TimesNewRomanPS-BoldMT"><span style="color:#000000"><strong style="font-weight:bold">Fig. 6 Energy density values in circulating </strong></span></span></span><span style="font-size:9pt"><span style="font-family:TimesNewRomanPS-BoldMT"><span style="color:#000000"><strong style="font-weight:bold">cooling water space in </strong></span></span></span><span style="font-size:9pt"><span style="font-family:TimesNewRomanPS-BoldItalicMT"><span style="color:#000000"><strong style="font-weight:bold"><em style="font-style:italic">r</em></strong></span></span></span><span style="font-size:9pt"><span style="font-family:Symbol"><span style="color:#000000"><strong style="font-weight:bold">?</strong></span></span></span><span style="font-size:9pt"><span style="font-family:TimesNewRomanPS-BoldMT"><span style="color:#000000"><strong style="font-weight:bold">17mm </strong></span></span></span></div> <div style="text-align:center"> </div> <div><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000"> 比較圖 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">3 </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">和圖 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">5 </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">可以看出，</span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">PTFE </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">層中的電場</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">強度與循環冷卻水中的電場強度兩者相差</span></span></span><span style="font-family:"Times New Roman""><span style="color:#000000"><span style="font-size:10.5021pt">10</span><span style="font-size:x-small">^13</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">倍數</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">量級。若施加 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">10 000 V </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">高壓，可計算出僅有 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">1.42× </span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">10^</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Symbol"><span style="color:#000000">?</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">10</span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">V </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">電壓作用到水中，其余被 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">PTFE </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">層所分壓。</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">由圖 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">6 </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">可見，循環冷卻水空間的電場能量密度 </span></span></span></div> <div><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">為 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">5.67×10</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Symbol"><span style="color:#000000">?</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">32</span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">~266.4×10^</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Symbol"><span style="color:#000000">?</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">32 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">J/mol </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">左右。比較圖 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">4 </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">和 </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">圖 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">6 </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">可以看出，作用在循環冷卻水中的電場能量密</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">度較 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">PTFE </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">層中的要小得多，是一個較小的能量值。 </span></span></span></div> <div> </div> <div><span style="font-size:10.5pt"><span style="font-family:Arial"><span style="color:#000000">1.5 </span></span></span><span style="font-size:10.5pt"><span style="font-family:黑體"><span style="color:#000000">高壓靜電水處理器阻垢機理分析 </span></span></span></div> <div> </div> <div><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">1.5.1 PTFE </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">的電流密度與水中功率密度分布 </span></span></span></div> <div><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000"> 實際上任何絕緣體都不是理想絕緣介質，電介 </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">質 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">PTFE </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">也一樣。</span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">PTFE </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">中存在的微弱導電性是由</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">多種機理構成的，包括雜質缺陷、體內電導、表面 </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">電導等。有關電介質微弱導電性機理的詳細研究是</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">電介質物理學研究的范疇</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">[25-26]</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">，應用中通常從宏觀 </span></span></span></div> <div><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">上將其歸結為電介質的漏電損耗。</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">在 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">PTFE </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">不發生電介質擊穿的情況下，在一定</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">外加電壓作用下，由歐姆定律的微分形式</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">[27]</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">可求得 </span></span></span></div> <div><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">PTFE </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">的漏電流密度 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:TimesNewRomanPS-ItalicMT"><span style="color:#000000"><em style="font-style:italic">j</em></span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">1</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">： </span></span></span><img alt="" height="80" src="http://nwzimg.wezhan.cn/contents/sitefiles2054/10274411/images/32223537.png" width="271" /><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">(11) </span></span></span></div> <div><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">經計算，此 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:TimesNewRomanPS-ItalicMT"><span style="color:#000000"><em style="font-style:italic">j</em></span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">1</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">值在 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">0.895×10^</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Symbol"><span style="color:#000000">?</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">10</span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">~16.77×10^</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Symbol"><span style="color:#000000">?</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">10 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">A/m</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">2</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">。</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">由焦耳定律的微分形式可得出 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">PTFE </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">層中的功</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">率密度 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:TimesNewRomanPS-ItalicMT"><span style="color:#000000"><em style="font-style:italic">p</em></span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">1</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">和水中的功率密度 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:TimesNewRomanPS-ItalicMT"><span style="color:#000000"><em style="font-style:italic">p</em></span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">2</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">：</span></span></span><img alt="" height="62" src="http://nwzimg.wezhan.cn/contents/sitefiles2054/10274411/images/32223598.png" width="227" /></div> <div><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">水中的功率密度 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:TimesNewRomanPS-ItalicMT"><span style="color:#000000"><em style="font-style:italic">p</em></span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">2</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">隨空間分布的如圖 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">7</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">。</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">從圖 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">7 </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">中可以看出，高壓靜電場在循環水中的</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">功率密度與所施加的電壓值成正比且呈現非線性</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">分布，在離子棒表面處的功率密度值較大，隨著</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">空間距離的增加，出現急劇降低狀態；另外所施</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">加的電壓越高，曲線的變化越陡，降低值越大，</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">當達到金屬管道表面附近時功率密度曲線呈平直</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">分布。這就意味著并不是所施加電壓越高，阻垢 </span></span></span></div> <div><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">效果就越好。 </span></span></span></div> <div> <p style="text-align:center"><img alt="" height="298" src="http://nwzimg.wezhan.cn/contents/sitefiles2054/10274411/images/32223728.png" width="361" /></p> </div> <div><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">1.5.2 </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">阻垢機理分析 </span></span></span></div> <div><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000"> 通過以上分析可以看出，高壓靜電場提供給水</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">中的能量與水分子氫鍵能之間存在著巨大差別。過</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">去人們認為，水分子氫鍵的破裂是離子棒起到阻垢 </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">作用的前提。根據文獻</span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">[28-29]</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">的研究表明，水分子</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">氫鍵破裂所需要的能量高達 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">16.7~25.1 kJ/mol</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">。本文</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">通過理論分析表明，高壓靜電離子棒作用在水中的</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">電場能量密度僅為 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">10</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Symbol"><span style="color:#000000">?</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">33 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">J/mol </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">數量級，遠未達到水</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">分子氫鍵破裂的能量級別。同時離子棒提供的能量</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">也遠未達到使水分子偶極距增大，對水分子的極化</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">作用是極其微弱的。</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">天然水中所含的離子主要有 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">Ca</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">2</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Symbol"><span style="color:#000000">?</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">、</span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">Mg</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">2</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Symbol"><span style="color:#000000">?</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">、</span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">Na</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Symbol"><span style="color:#000000">? </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">陽離子和 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">CO</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">32</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Symbol"><span style="color:#000000">?</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">、</span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">SO</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">42</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Symbol"><span style="color:#000000">?</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">等陰離子。水中的 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">Fe</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">2</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Symbol"><span style="color:#000000">?</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">、</span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">Zn</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">2</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Symbol"><span style="color:#000000">?</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">、</span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">SiO</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">32</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Symbol"><span style="color:#000000">?</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">等含量較小，因此工業鍋爐或換熱器受熱面</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">上所結的水垢主要是 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">CaCO</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">3</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">水垢，工業循環冷卻水</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">阻垢處理的過程，實際上是研究如何阻止 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">CaCO</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">3 </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">水垢晶體在換熱器表面形成堅硬水垢晶體的過程，</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">特別是 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">Ca</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">2</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Symbol"><span style="color:#000000">?</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">在水溶液中的結晶形態是形成水垢的</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">關鍵。</span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">CaCO</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">3</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">水垢晶體的形成，實際上是 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">CaCO</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">3</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">物質</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">相變的結果。同種化學成份的物質，在不同的物理</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">化學條件</span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">(</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">溫度、壓力、介質</span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">)</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">下形成不同晶體結構</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">的現象，稱為同質多像。這些不同結構的晶體，稱</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">為同質多像變體，變體之間在固態條件下的相互轉</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">變，稱為同質多像轉變。同質多像轉變可分為可逆</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">的和不可逆的 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">2 </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">種類型。</span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">CaCO</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">3</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">水垢晶體具有方解石和文石等相，由文</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">石相向方解石相的結晶轉變，屬于同質多象體間的 </span></span></span></div> <div><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">不可逆轉變。文石屬 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">CaCO</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">3</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">的斜方晶系，在溫度升</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">高的時候轉變成為三方晶系的方解石，但溫度降低</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">時，則不再轉變成為文石，即原先在受熱面上形成</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">的方解石，不會再轉變成文石</span></span></span><span style="font-size:5.1998pt"><span style="font-family:宋體"><span style="color:#000000">［30］ </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">。</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">方解石和文石的化學組成都是 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">CaCO</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">3</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">，在標準</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">狀態</span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">(25 </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">℃，</span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">1.013×10</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">5 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">Pa)</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">下，方解石的</span></span></span><span style="font-size:10.5021pt"><span style="font-family:Symbol"><span style="color:#000000">?</span></span></span><span style="font-size:10.5021pt"><span style="font-family:TimesNewRomanPS-ItalicMT"><span style="color:#000000"><em style="font-style:italic">G</em></span></span></span><span style="font-size:10.5021pt"><span style="font-family:Symbol"><span style="color:#000000">??</span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">1</span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">234.697 kJ/mol</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">，文石的</span></span></span><span style="font-size:10.5021pt"><span style="font-family:Symbol"><span style="color:#000000">?</span></span></span><span style="font-size:10.5021pt"><span style="font-family:TimesNewRomanPS-ItalicMT"><span style="color:#000000"><em style="font-style:italic">G</em></span></span></span><span style="font-size:10.5021pt"><span style="font-family:Symbol"><span style="color:#000000">??</span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">1233.964 kJ/mol</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">。顯然，</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">朝自由能降低的方向，方解石更加穩定，這就是為</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">什么自然界中的文石會轉化為方解石的內在原因。 </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">在循環冷卻水介質體系中，當水溶液流過換熱 </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">器的受熱面時，由于溫度升高，循環水中的 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">CaCO</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">3 </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">的溶解度會大大降低，在受熱面附近形成 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">CaCO</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">3 </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">的過飽和或局部過飽和狀態，形成 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">CaCO</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">3</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">結晶。 </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">在晶體結晶成核的形成階段，處于換熱器中的</span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">CaCO</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">3</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">晶體主要是非均勻成核結晶，由于在換熱器 </span></span></span><span style="font-size:4.9779pt"><span style="font-family:Symbol"><span style="color:#000000">?</span></span></span><span style="font-size:4.9779pt"><span style="font-family:Times New Roman"><span style="color:#000000">18 3 </span></span></span><span style="font-size:7.4967pt"><span style="font-family:TimesNewRomanPS-ItalicMT"><span style="color:#000000"><em style="font-style:italic">p </em></span></span></span><span style="font-size:7.4967pt"><span style="font-family:Times New Roman"><span style="color:#000000">/(10 W/m )</span></span></span></div> <div><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">循環水中存在懸浮的雜質微粒等，形成了非均勻成</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">核的晶核，有效地降低了表面能成核時的勢壘，因</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">此在過飽和度很小時就能局部地成核，結晶優先在</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">這些不均勻地點形成。</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">在循環冷卻水模擬阻垢處理裝置中，通過施加</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">高壓靜電場后，電場能量不斷地傳輸到換熱器內，</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">使熱平衡體系中的自由能</span></span></span><span style="font-size:10.5021pt"><span style="font-family:Symbol"><span style="color:#000000">?</span></span></span><span style="font-size:10.5021pt"><span style="font-family:TimesNewRomanPS-ItalicMT"><span style="color:#000000"><em style="font-style:italic">G </em></span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">增加，導致文石晶核</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">形成的幾率增大，使 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">CaCO</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">3 </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">水垢晶體結晶為文石型</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">水垢，從而抑制了方解石型水垢的生長。 </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">由于文石屬于斜方晶系，文石結構中 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">Ca</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">2</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Symbol"><span style="color:#000000">?</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">離子</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">是六方緊密堆積，</span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">CO</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">32</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Symbol"><span style="color:#000000">?</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">離子位于八面體空隙中間，</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">但是 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">CO</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">32</span></span></span><span style="font-size:5.1998pt"><span style="font-family:宋體"><span style="color:#000000">－ </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">離子不在空隙中心，而是在 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">1/3 </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">高處。</span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">CO</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">32</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Symbol"><span style="color:#000000">?</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">所構成的平面是相互平行的，每個 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">Ca</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">2</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Symbol"><span style="color:#000000">?</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">離子</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">為 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">9 </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">個 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">O </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">原子所環繞，而每個 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">O </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">原子同 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">3 </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">個 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">Ca</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">2</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Symbol"><span style="color:#000000">? </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">結合，</span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">Ca</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">2</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Symbol"><span style="color:#000000">?</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">和 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">O </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">配位數是 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">9</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">。文石晶體結構有 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">3 </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">種： </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">針狀、葉狀和石墨樣的層狀，其中針狀晶體最為常</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">見。所以文石呈粉末狀，易隨水流沖走而減少了在</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">換熱表面的沉積。</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">方解石屬于三方晶系菱面體，</span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">Ca</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">2</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Symbol"><span style="color:#000000">?</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">離子占據在</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">晶胞頂角和面心上，</span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">CO</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">32</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Symbol"><span style="color:#000000">?</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">離子位于晶胞中心和全部</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">棱的中點。</span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">CO</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">32</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Symbol"><span style="color:#000000">?</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">由中心的碳原子和位于同一平面的</span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">3 </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">個 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">O </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">原子構成，</span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">CO</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">32</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Symbol"><span style="color:#000000">?</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">的平面垂直與晶胞的直立三</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">重對稱軸。每個 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">CO</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">32</span></span></span><span style="font-size:5.1998pt"><span style="font-family:宋體"><span style="color:#000000">－ </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">離子為 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">6 </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">個不同的 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">6 </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">個 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">O </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">原</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">子配位，而每個 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">O </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">原子又與 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">2 </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">個 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">Ca</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">2</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Symbol"><span style="color:#000000">?</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">離子相聯結。</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">由此，</span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">Ca</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">2</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Symbol"><span style="color:#000000">?</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">離子和 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">O </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">的配位數是 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">6</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">。方解石晶體的</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">結構穩定，易在換熱表面沉積形成硬垢。</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">對于高壓離子棒的阻垢機理，本文認為首先，</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">不能機械的將水分子團簇的氫鍵能看作是像化學</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">鍵那樣固定不變的作用力。在液態水中，水分子團</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">簇處于一種不斷的斷開和結合的動態平衡中，這個</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">動態平衡所需要的能量可以由水分子的熱運動來提</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">供，而靜電場提供給水中的能量可以促使水分子向</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">氫鍵斷開的方向變化，而不是提供了水分子團簇氫</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">鍵斷開的全部能量。其次，高壓靜電場對循環水起</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">阻垢作用的主要原因是使水中成垢離子結晶形態發</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">生變化，即由方解石型晶體改變為文石型晶體。</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">為了提高 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">CaCO</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">3 </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">水垢結晶為文石型水垢晶體</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">的概率，外界必須要提供適當的能量，這個適當的</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">能量不能太大也不能太小，起到促使 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">CaCO</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">3</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">水垢結 </span></span></span></div> <div><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">晶為文石的作用，達到阻垢目的。 </span></span></span></div> <div> </div> <div><span style="font-size:12pt"><span style="font-family:Arial"><span style="color:#000000">2 </span></span></span><span style="font-size:12pt"><span style="font-family:黑體"><span style="color:#000000">高壓靜電水處理器阻垢實驗 </span></span></span></div> <div><span style="font-size:10.5pt"><span style="font-family:Arial"><span style="color:#000000">2.1 </span></span></span><span style="font-size:10.5pt"><span style="font-family:黑體"><span style="color:#000000">實驗流程與參數 </span></span></span></div> <div><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">實驗采用動態模擬方法進行，流程如圖 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">8</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">。 </span></span></span></div> <div style="text-align:center"><img alt="" height="214" src="http://nwzimg.wezhan.cn/contents/sitefiles2054/10274411/images/32223972.png" width="389" /></div> <div style="text-align:center"><span style="font-size:9pt"><span style="font-family:黑體"><span style="color:#000000">圖 </span></span></span><span style="font-size:9pt"><span style="font-family:TimesNewRomanPS-BoldMT"><span style="color:#000000"><strong style="font-weight:bold">8 </strong></span></span></span><span style="font-size:9pt"><span style="font-family:黑體"><span style="color:#000000">高壓靜電水處理器阻垢實驗流程圖 </span></span></span></div> <div style="text-align:center"><span style="font-size:9pt"><span style="font-family:TimesNewRomanPS-BoldMT"><span style="color:#000000"><strong style="font-weight:bold">Fig. 8 Experiment flow-process diagram of </strong></span></span></span><span style="font-size:9pt"><span style="font-family:TimesNewRomanPS-BoldMT"><span style="color:#000000"><strong style="font-weight:bold">High-voltage electrostatic water processor </strong></span></span></span></div> <div><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000"> 循環冷卻水由循環水泵泵出集水池，經由高壓</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">靜電水處理器后到達換熱器，在換熱器內通過換熱</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">銅管與加熱水進行對流式換熱后，再經冷卻塔回到</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">集水池中形成動態循環。 </span></span></span></div> <div><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">實驗設備及水質參數如表 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">2 </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">所示。 </span></span></span></div> <div> <p style="text-align:center"><img alt="" height="303" src="http://nwzimg.wezhan.cn/contents/sitefiles2054/10274411/images/32224134.png" width="386" /></p> </div> <div><span style="font-size:10.5pt"><span style="font-family:Arial"><span style="color:#000000">2.2 </span></span></span><span style="font-size:10.5pt"><span style="font-family:黑體"><span style="color:#000000">高壓靜電水處理器的阻垢效果 </span></span></span></div> <div><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">在不同電壓作用下高壓靜電水處理器的阻垢 </span></span></span></div> <div><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">實驗結果如圖 9 所示。 </span></span></span></div> <div style="text-align:center"><img alt="" height="209" src="http://nwzimg.wezhan.cn/contents/sitefiles2054/10274411/images/32224135.png" width="370" /><span style="font-size:7.4965pt"><span style="font-family:Times New Roman"><span style="color:#000000"> </span></span></span></div> <div style="text-align:center"><span style="font-size:9pt"><span style="font-family:黑體"><span style="color:#000000">圖 </span></span></span><span style="font-size:9pt"><span style="font-family:TimesNewRomanPS-BoldMT"><span style="color:#000000"><strong style="font-weight:bold">9 </strong></span></span></span><span style="font-size:9pt"><span style="font-family:黑體"><span style="color:#000000">不同電壓作用下高壓靜電水處理器的阻垢率 </span></span></span></div> <div style="text-align:center"><span style="font-size:9pt"><span style="font-family:TimesNewRomanPS-BoldMT"><span style="color:#000000"><strong style="font-weight:bold">Fig. 9 Scale inhibition rate of High voltage electrostatic </strong></span></span></span><span style="font-size:9pt"><span style="font-family:TimesNewRomanPS-BoldMT"><span style="color:#000000"><strong style="font-weight:bold">water processor when different applied voltage </strong></span></span></span></div> <div><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">應用公式</span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">(14)</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">計算阻垢率</span></span></span><span style="font-size:10.8007pt"><span style="font-family:Symbol"><span style="color:#000000"><em style="font-style:italic">?</em></span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">： </span></span></span><span style="font-size:10.5021pt"><span style="font-family:Symbol"><span style="color:#000000"> </span></span></span><img alt="" height="60" src="http://nwzimg.wezhan.cn/contents/sitefiles2054/10274411/images/32224174.png" width="207" /><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">(14) </span></span></span></div> <div><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000"> 式中：</span></span></span><span style="font-size:10.8007pt"><span style="font-family:Symbol"><span style="color:#000000"><em style="font-style:italic">?</em></span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">為阻垢率，</span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">%</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">；</span></span></span><span style="font-size:10.5021pt"><span style="font-family:Symbol"><span style="color:#000000">?</span></span></span><span style="font-size:10.5021pt"><span style="font-family:TimesNewRomanPS-ItalicMT"><span style="color:#000000"><em style="font-style:italic">m</em></span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">1</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">為空白對照組換熱銅管</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">的質量增量，</span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">g</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">；</span></span></span><span style="font-size:10.5021pt"><span style="font-family:Symbol"><span style="color:#000000">?</span></span></span><span style="font-size:10.5021pt"><span style="font-family:TimesNewRomanPS-ItalicMT"><span style="color:#000000"><em style="font-style:italic">m</em></span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">2</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">為實驗處理組換熱銅管的質量</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">增量，</span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">g</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">。 </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">當高壓靜電水處理器施加的電壓為 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">4kV </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">時，阻</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">垢率達到 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">61.7%</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">，此時外界提供的能量促使 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">CaCO</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">3 </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">水垢結晶為文石型水垢隨著水流被沖走，達到阻垢</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">目的。 </span></span></span></div> <div> </div> <div><span style="font-size:12pt"><span style="font-family:Arial"><span style="color:#000000">3 </span></span></span><span style="font-size:12pt"><span style="font-family:黑體"><span style="color:#000000">結論 </span></span></span></div> <div> </div> <div><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000"> 采用自制的“高壓靜電水處理器”對電廠循環</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">冷卻水進行了動態模擬阻垢實驗，從理論計算與實</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">驗的角度，分析了高壓靜電水處理器腔內電場分布</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">與阻垢效果。研究表明： </span></span></span></div> <div><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">1</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">）高壓靜電水處理器對循環冷卻水具有阻垢</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">作用。 </span></span></span></div> <div><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">2</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">）高壓靜電水處理器中的離子棒所形成的電</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">場為雙介質非均勻輻射狀高壓靜電場，此靜電場的</span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">PTFE </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">介質層構成離子棒的絕緣層，水介質層構成</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">了循環冷卻水與電場進行能量交換的空間。 </span></span></span></div> <div><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">3</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">）應用拉普拉斯方程對水介質層空間電場分</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">布分析表明，該空間電場能量密度在 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">10</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Symbol"><span style="color:#000000">?</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">32</span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">~10</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Symbol"><span style="color:#000000">?</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">30 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">J/mol </span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">數量級左右，遠未達到水分子團簇氫鍵破裂</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">的能量級別，對水分子的極化作用是可以忽略的，</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">靜電場能量促使水分子團簇向氫鍵斷開的方向變</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">化，并未提供水分子團簇氫鍵斷開的全部能量。 </span></span></span></div> <div><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">4</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">）高壓靜電場對循環水起阻垢作用是使水中成</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">垢離子的結晶形態發生變化，電場能量使熱平衡體</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">系中的自由能△</span></span></span><span style="font-size:10.5021pt"><span style="font-family:TimesNewRomanPS-ItalicMT"><span style="color:#000000"><em style="font-style:italic">G </em></span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">增加，導致文石晶核形成的幾率</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">增大，使 </span></span></span><span style="font-size:10.5021pt"><span style="font-family:Times New Roman"><span style="color:#000000">CaCO</span></span></span><span style="font-size:6.7999pt"><span style="font-family:Times New Roman"><span style="color:#000000">3</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">水垢晶體結晶為文石型水垢，文石</span></span></span><span style="font-size:10.5pt"><span style="font-family:宋體"><span style="color:#000000">晶體呈粉末狀，易隨水流沖走而減少了在換熱表面 </span></span></span></div> <div><span style="font-size:10.5pt"><span style="font-family:宋體"><span 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