陽城電廠定子內冷水系統改造

更新時間：2012-09-17 15:43 來源：工(gong)業水處理(li) 作(zuo)者(zhe): 閱(yue)讀：3141

發電(dian)機定子(zi)(zi)(zi)內(nei)(nei)冷(leng)(leng)水(shui)經過濾器(qi)去除(chu)顆(ke)粒雜(za)質.離子(zi)(zi)(zi)交換(huan)器(qi)旁路處理發電(dian)機定子(zi)(zi)(zi)內(nei)(nei)冷(leng)(leng)水(shui)量的(de)5%～10% 以改(gai)善定子(zi)(zi)(zi)內(nei)(nei)冷(leng)(leng)水(shui)的(de)水(shui)質陽城電(dian)廠定子(zi)(zi)(zi)內(nei)(nei)冷(leng)(leng)水(shui)系統補水(shui)為除(chu)鹽水(shui).投運以來定子(zi)(zi)(zi)內(nei)(nei)冷(leng)(leng)水(shui)水(shui)質經常(chang)不合格，pH低、銅離子(zi)(zi)(zi)含(han)量超標，用連續換(huan)水(shui)方式改(gai)善水(shui)質，雖然能降低定子(zi)(zi)(zi)內(nei)(nei)冷(leng)(leng)水(shui)中銅離子(zi)(zi)(zi)含(han)量，但pH 低的(de)問題無(wu)法得(de)到(dao)解決。

關(guan)鍵字：發(fa)電機(ji)[8篇(pian)] 定(ding)子內冷水[1篇(pian)] 改造

陽城電(dian)廠7#、8#機(ji)(ji)組(zu)為600 MW問接空冷(leng)型機(ji)(ji) 組(zu).發電(dian)機(ji)(ji)為哈爾濱(bin)電(dian)機(ji)(ji)廠生產的QFSN一600— 2YHG型汽輪(lun)發電(dian)機(ji)(ji)組(zu)，其(qi)冷(leng)卻方式為整體全封閉. 內(nei)(nei)部氫氣循環，定子繞(rao)組(zu)水內(nei)(nei)冷(leng).定子鐵(tie)芯及(ji)端部結構(gou)件氫氣表面冷(leng)卻，轉子繞(rao)組(zu)氫氣內(nei)(nei)冷(leng)。

發電(dian)機(ji)定(ding)(ding)子(zi)(zi)(zi)內(nei)(nei)(nei)冷(leng)(leng)水(shui)(shui)(shui)(shui)經(jing)過濾器(qi)去除顆粒(li)雜質(zhi).離子(zi)(zi)(zi)交換(huan)器(qi)旁路處(chu)理發電(dian)機(ji)定(ding)(ding)子(zi)(zi)(zi)內(nei)(nei)(nei)冷(leng)(leng)水(shui)(shui)(shui)(shui)量的5%～10% 以改(gai)(gai)善定(ding)(ding)子(zi)(zi)(zi)內(nei)(nei)(nei)冷(leng)(leng)水(shui)(shui)(shui)(shui)的水(shui)(shui)(shui)(shui)質(zhi)陽(yang)城電(dian)廠定(ding)(ding)子(zi)(zi)(zi)內(nei)(nei)(nei)冷(leng)(leng)水(shui)(shui)(shui)(shui)系統補水(shui)(shui)(shui)(shui)為除鹽(yan)水(shui)(shui)(shui)(shui).投運以來定(ding)(ding)子(zi)(zi)(zi)內(nei)(nei)(nei)冷(leng)(leng)水(shui)(shui)(shui)(shui)水(shui)(shui)(shui)(shui)質(zhi)經(jing)常不合(he)格(ge)，pH低(di)(di)、銅(tong)離子(zi)(zi)(zi)含(han)量超標，用連續(xu)換(huan)水(shui)(shui)(shui)(shui)方(fang)式改(gai)(gai)善水(shui)(shui)(shui)(shui)質(zhi)，雖然能降低(di)(di)定(ding)(ding)子(zi)(zi)(zi)內(nei)(nei)(nei)冷(leng)(leng)水(shui)(shui)(shui)(shui)中銅(tong)離子(zi)(zi)(zi)含(han)量，但(dan)pH 低(di)(di)的問題(ti)無法得(de)到(dao)解決(jue)為此廠方(fang)決(jue)定(ding)(ding)對發電(dian)機(ji)定(ding)(ding)子(zi)(zi)(zi)內(nei)(nei)(nei)冷(leng)(leng)水(shui)(shui)(shui)(shui)系統進行加裝(zhuang)內(nei)(nei)(nei)冷(leng)(leng)水(shui)(shui)(shui)(shui)優化(hua)處(chu)理裝(zhuang)置(zhi)的改(gai)(gai)造.改(gai)(gai)造后定(ding)(ding)子(zi)(zi)(zi)內(nei)(nei)(nei)冷(leng)(leng)水(shui)(shui)(shui)(shui)pH得(de)到(dao)很好控制.水(shui)(shui)(shui)(shui)質(zhi)合(he)格(ge)穩定(ding)(ding).達到(dao)預期效果。

1.原(yuan)系(xi)統(tong)問(wen)題分析

1.1 系統介紹

對于發(fa)電(dian)機定(ding)子內冷(leng)水(shui)(shui)的水(shui)(shui)質控制有多種(zhong)方法。部分機組采(cai)用(yong)投(tou)加(jia)銅緩(huan)蝕劑(ji)和頻繁更換(huan)定(ding)子內冷(leng)水(shui)(shui)的方法控制水(shui)(shui)質，而陽城電(dian)廠7# 、8#發(fa)電(dian)機定(ding)子內冷(leng)水(shui)(shui)則是采(cai)用(yong)機械(xie)過(guo)濾器加(jia)離子交(jiao)換(huan)旁(pang)路(lu)處理工(gong)藝(yi)，工(gong)藝(yi)流(liu)程見圖1。

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