冷卻塔拼接時膠接處理

膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)接(jie)(jie)(jie)(jie)(jie)(jie)在(zai)玻璃(li)(li)鋼冷卻(que)(que)塔中(zhong)(zhong)會經常(chang)使(shi)(shi)用(yong)(yong)(yong)(yong)，是(shi)(shi)(shi)(shi)(shi)連(lian)接(jie)(jie)(jie)(jie)(jie)(jie)的(de)(de)(de)(de)(de)重要(yao)(yao)方(fang)(fang)法(fa)(fa)之一。如(ru)逆(ni)流塔收(shou)縮(suo)段(duan)，因受風筒上(shang)風機(ji)、電機(ji)荷(he)載的(de)(de)(de)(de)(de)影(ying)響，該處(chu)(chu)收(shou)縮(suo)段(duan)起(qi)(qi)點彎曲處(chu)(chu)最易斷裂(lie)，就用(yong)(yong)(yong)(yong)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)接(jie)(jie)(jie)(jie)(jie)(jie)予(yu)以(yi)加(jia)(jia)強(qiang)。膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)接(jie)(jie)(jie)(jie)(jie)(jie)實際上(shang)是(shi)(shi)(shi)(shi)(shi)真(zhen)實含(han)(han)義(yi)的(de)(de)(de)(de)(de)玻璃(li)(li)制作，從(cong)圖(tu)(tu)(tu)11-16的(de)(de)(de)(de)(de)手工成(cheng)型膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)接(jie)(jie)(jie)(jie)(jie)(jie)過(guo)(guo)程(cheng)可見，操(cao)作不(bu)(bu)(bu)似機(ji)械(xie)連(lian)接(jie)(jie)(jie)(jie)(jie)(jie)簡單(dan)易行，也無(wu)常(chang)規準則(ze)，根據(ju)經驗(yan)操(cao)作運用(yong)(yong)(yong)(yong)。膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)接(jie)(jie)(jie)(jie)(jie)(jie)的(de)(de)(de)(de)(de)總原(yuan)(yuan)則(ze)是(shi)(shi)(shi)(shi)(shi)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)層(ceng)受力均勻，盡量增大膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)接(jie)(jie)(jie)(jie)(jie)(jie)面(mian)(mian)積(ji)，提(ti)高(gao)(gao)接(jie)(jie)(jie)(jie)(jie)(jie)頭承載能(neng)(neng)(neng)力，減少應(ying)(ying)(ying)力集(ji)中(zhong)(zhong)、劈裂(lie)、剝離、沖(chong)擊荷(he)載、層(ceng)間(jian)剝離，以(yi)求(qiu)較(jiao)(jiao)理(li)(li)(li)想的(de)(de)(de)(de)(de)效果。1、表(biao)(biao)面(mian)(mian)處(chu)(chu)理(li)(li)(li)表(biao)(biao)面(mian)(mian)凹凸不(bu)(bu)(bu)平(ping)、粘有油污、塵埃(ai)、水分(fen)(fen)或者表(biao)(biao)面(mian)(mian)雖平(ping)整卻(que)(que)已形成(cheng)各(ge)類(lei)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)黏(nian)(nian)(nian)物質(zhi)膜層(ceng)材料(liao)(liao)等(deng)，都會影(ying)響膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)接(jie)(jie)(jie)(jie)(jie)(jie)強(qiang)度(du)(du)和(he)(he)(he)效果。在(zai)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)接(jie)(jie)(jie)(jie)(jie)(jie)前需要(yao)(yao)進行表(biao)(biao)面(mian)(mian)加(jia)(jia)工或表(biao)(biao)面(mian)(mian)處(chu)(chu)理(li)(li)(li)，針對不(bu)(bu)(bu)同(tong)方(fang)(fang)法(fa)(fa)主要(yao)(yao)是(shi)(shi)(shi)(shi)(shi)機(ji)械(xie)處(chu)(chu)理(li)(li)(li)和(he)(he)(he)化(hua)(hua)(hua)(hua)學(xue)處(chu)(chu)理(li)(li)(li)兩種(zhong)(zhong)(zhong)(zhong)。1機(ji)械(xie)處(chu)(chu)理(li)(li)(li)用(yong)(yong)(yong)(yong)砂紙打磨除去(qu)表(biao)(biao)面(mian)(mian)有機(ji)物，使(shi)(shi)表(biao)(biao)面(mian)(mian)粗糙度(du)(du)控(kong)制在(zai)0、8～3μm，用(yong)(yong)(yong)(yong)毛刷除去(qu)表(biao)(biao)面(mian)(mian)粉(fen)末，用(yong)(yong)(yong)(yong)丙(bing)(bing)酮或四氯化(hua)(hua)(hua)(hua)碳(tan)脫(tuo)脂除塵后(hou)吹干(gan)。2化(hua)(hua)(hua)(hua)學(xue)處(chu)(chu)理(li)(li)(li)用(yong)(yong)(yong)(yong)四氯化(hua)(hua)(hua)(hua)碳(tan)、丙(bing)(bing)酮、汽油等(deng)有機(ji)溶(rong)(rong)(rong)(rong)(rong)(rong)劑(ji)(ji)(ji)(ji)(ji)(ji)(ji)擦洗，然(ran)后(hou)在(zai)被(bei)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)接(jie)(jie)(jie)(jie)(jie)(jie)表(biao)(biao)面(mian)(mian)敷蓋含(han)(han)蠟玻璃(li)(li)布，膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)接(jie)(jie)(jie)(jie)(jie)(jie)前再將(jiang)其(qi)(qi)剝離。2、膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)黏(nian)(nian)(nian)劑(ji)(ji)(ji)(ji)(ji)(ji)(ji)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)黏(nian)(nian)(nian)劑(ji)(ji)(ji)(ji)(ji)(ji)(ji)通(tong)(tong)常(chang)由如(ru)下幾(ji)種(zhong)(zhong)(zhong)(zhong)組分(fen)(fen)組成(cheng)。1黏(nian)(nian)(nian)料(liao)(liao)主要(yao)(yao)是(shi)(shi)(shi)(shi)(shi)合(he)成(cheng)樹(shu)脂和(he)(he)(he)合(he)成(cheng)橡(xiang)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)，如(ru)酚(fen)醛、環(huan)氧(yang)、聚酯、有機(ji)硅等(deng)熱(re)(re)(re)固(gu)性(xing)(xing)樹(shu)脂；聚丙(bing)(bing)烯(xi)(xi)酸(suan)脂、聚乙烯(xi)(xi)醇縮(suo)醛等(deng)熱(re)(re)(re)塑(su)(su)性(xing)(xing)樹(shu)脂。合(he)成(cheng)橡(xiang)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)主要(yao)(yao)為丁晴橡(xiang)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)、氯丁橡(xiang)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)等(deng)。熱(re)(re)(re)固(gu)性(xing)(xing)樹(shu)脂可反應(ying)(ying)(ying)的(de)(de)(de)(de)(de)官能(neng)(neng)(neng)團越多，交聯密度(du)(du)越大，內(nei)聚力越強(qiang)，黏(nian)(nian)(nian)接(jie)(jie)(jie)(jie)(jie)(jie)強(qiang)度(du)(du)越大，彈性(xing)(xing)模量也較(jiao)(jiao)大，抗蠕變、耐溶(rong)(rong)(rong)(rong)(rong)(rong)劑(ji)(ji)(ji)(ji)(ji)(ji)(ji)、耐化(hua)(hua)(hua)(hua)學(xue)腐蝕等(deng)特性(xing)(xing)也較(jiao)(jiao)好。熱(re)(re)(re)塑(su)(su)性(xing)(xing)樹(shu)脂是(shi)(shi)(shi)(shi)(shi)線形分(fen)(fen)子(zi)，只(zhi)能(neng)(neng)(neng)與(yu)熱(re)(re)(re)固(gu)性(xing)(xing)樹(shu)脂配合(he)使(shi)(shi)用(yong)(yong)(yong)(yong)，利用(yong)(yong)(yong)(yong)它(ta)的(de)(de)(de)(de)(de)黏(nian)(nian)(nian)附性(xing)(xing)、柔韌性(xing)(xing)進行改性(xing)(xing)。橡(xiang)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)是(shi)(shi)(shi)(shi)(shi)用(yong)(yong)(yong)(yong)來提(ti)高(gao)(gao)沖(chong)擊、彎曲、剝離強(qiang)度(du)(du)。2固(gu)化(hua)(hua)(hua)(hua)劑(ji)(ji)(ji)(ji)(ji)(ji)(ji)使(shi)(shi)用(yong)(yong)(yong)(yong)的(de)(de)(de)(de)(de)固(gu)化(hua)(hua)(hua)(hua)劑(ji)(ji)(ji)(ji)(ji)(ji)(ji)及(ji)固(gu)化(hua)(hua)(hua)(hua)機(ji)理(li)(li)(li)與(yu)前述(shu)的(de)(de)(de)(de)(de)本(ben)章第3節(jie)(jie)論述(shu)相同(tong)，不(bu)(bu)(bu)再討論。3填料(liao)(liao)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)黏(nian)(nian)(nian)劑(ji)(ji)(ji)(ji)(ji)(ji)(ji)常(chang)加(jia)(jia)填料(liao)(liao)，作用(yong)(yong)(yong)(yong)是(shi)(shi)(shi)(shi)(shi)提(ti)高(gao)(gao)內(nei)聚力和(he)(he)(he)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)接(jie)(jie)(jie)(jie)(jie)(jie)強(qiang)度(du)(du)。原(yuan)(yuan)則(ze)為有適(shi)宜的(de)(de)(de)(de)(de)黏(nian)(nian)(nian)度(du)(du)，能(neng)(neng)(neng)被(bei)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)潤(run)濕，有較(jiao)(jiao)理(li)(li)(li)想的(de)(de)(de)(de)(de)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)接(jie)(jie)(jie)(jie)(jie)(jie)強(qiang)度(du)(du)及(ji)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)接(jie)(jie)(jie)(jie)(jie)(jie)性(xing)(xing)能(neng)(neng)(neng)。基本(ben)要(yao)(yao)求(qiu)為：表(biao)(biao)面(mian)(mian)活性(xing)(xing)大；不(bu)(bu)(bu)含(han)(han)結晶水，并且干(gan)燥；呈中(zhong)(zhong)性(xing)(xing)或弱堿性(xing)(xing)；與(yu)其(qi)(qi)他(ta)(ta)組分(fen)(fen)不(bu)(bu)(bu)起(qi)(qi)化(hua)(hua)(hua)(hua)學(xue)反應(ying)(ying)(ying)，不(bu)(bu)(bu)腐蝕被(bei)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)物；粉(fen)狀填料(liao)(liao)粒度(du)(du)要(yao)(yao)小。常(chang)用(yong)(yong)(yong)(yong)的(de)(de)(de)(de)(de)填料(liao)(liao)有：石英(ying)粉(fen)、滑石粉(fen)、石棉粉(fen)、氧(yang)化(hua)(hua)(hua)(hua)鋁(lv)粉(fen)、瓷粉(fen)、金(jin)屬粉(fen)及(ji)其(qi)(qi)他(ta)(ta)金(jin)屬氧(yang)化(hua)(hua)(hua)(hua)物粉(fen)。4溶(rong)(rong)(rong)(rong)(rong)(rong)劑(ji)(ji)(ji)(ji)(ji)(ji)(ji)用(yong)(yong)(yong)(yong)于調節(jie)(jie)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)黏(nian)(nian)(nian)劑(ji)(ji)(ji)(ji)(ji)(ji)(ji)的(de)(de)(de)(de)(de)黏(nian)(nian)(nian)度(du)(du)，以(yi)便加(jia)(jia)工。膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)黏(nian)(nian)(nian)劑(ji)(ji)(ji)(ji)(ji)(ji)(ji)若(ruo)揮(hui)發(fa)速度(du)(du)太快，因內(nei)部溶(rong)(rong)(rong)(rong)(rong)(rong)劑(ji)(ji)(ji)(ji)(ji)(ji)(ji)來不(bu)(bu)(bu)及(ji)揮(hui)發(fa)而容易產生氣泡；若(ruo)揮(hui)發(fa)太慢，會有溶(rong)(rong)(rong)(rong)(rong)(rong)劑(ji)(ji)(ji)(ji)(ji)(ji)(ji)殘留(liu)，影(ying)響強(qiang)度(du)(du)。常(chang)用(yong)(yong)(yong)(yong)的(de)(de)(de)(de)(de)溶(rong)(rong)(rong)(rong)(rong)(rong)劑(ji)(ji)(ji)(ji)(ji)(ji)(ji)是(shi)(shi)(shi)(shi)(shi)活性(xing)(xing)稀釋劑(ji)(ji)(ji)(ji)(ji)(ji)(ji)，環(huan)氧(yang)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)黏(nian)(nian)(nian)劑(ji)(ji)(ji)(ji)(ji)(ji)(ji)中(zhong)(zhong)可用(yong)(yong)(yong)(yong)環(huan)氧(yang)苯(ben)基醚、環(huan)氧(yang)氯丙(bing)(bing)烷(wan)等(deng)。含(han)(han)溶(rong)(rong)(rong)(rong)(rong)(rong)劑(ji)(ji)(ji)(ji)(ji)(ji)(ji)的(de)(de)(de)(de)(de)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)黏(nian)(nian)(nian)劑(ji)(ji)(ji)(ji)(ji)(ji)(ji)，涂后(hou)應(ying)(ying)(ying)晾干(gan)一些(xie)時(shi)間(jian)，使(shi)(shi)黏(nian)(nian)(nian)度(du)(du)增加(jia)(jia)再膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)接(jie)(jie)(jie)(jie)(jie)(jie)。3、熱(re)(re)(re)塑(su)(su)性(xing)(xing)塑(su)(su)料(liao)(liao)連(lian)接(jie)(jie)(jie)(jie)(jie)(jie)熱(re)(re)(re)塑(su)(su)性(xing)(xing)塑(su)(su)料(liao)(liao)因自(zi)身優勢，具有使(shi)(shi)溶(rong)(rong)(rong)(rong)(rong)(rong)劑(ji)(ji)(ji)(ji)(ji)(ji)(ji)將(jiang)玻璃(li)(li)鋼接(jie)(jie)(jie)(jie)(jie)(jie)觸微溶(rong)(rong)(rong)(rong)(rong)(rong)，使(shi)(shi)其(qi)(qi)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)接(jie)(jie)(jie)(jie)(jie)(jie)或通(tong)(tong)過(guo)(guo)加(jia)(jia)熱(re)(re)(re)使(shi)(shi)接(jie)(jie)(jie)(jie)(jie)(jie)觸面(mian)(mian)熔解，再加(jia)(jia)壓(ya)使(shi)(shi)其(qi)(qi)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)接(jie)(jie)(jie)(jie)(jie)(jie)，是(shi)(shi)(shi)(shi)(shi)新型的(de)(de)(de)(de)(de)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)接(jie)(jie)(jie)(jie)(jie)(jie)方(fang)(fang)式，如(ru)通(tong)(tong)過(guo)(guo)微波對兩個壓(ya)閉很緊的(de)(de)(de)(de)(de)材料(liao)(liao)加(jia)(jia)熱(re)(re)(re)，使(shi)(shi)它(ta)們合(he)二而一。這種(zhong)(zhong)(zhong)(zhong)方(fang)(fang)法(fa)(fa)一般用(yong)(yong)(yong)(yong)于相同(tong)塑(su)(su)料(liao)(liao)的(de)(de)(de)(de)(de)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)接(jie)(jie)(jie)(jie)(jie)(jie)，不(bu)(bu)(bu)同(tong)塑(su)(su)料(liao)(liao)或塑(su)(su)料(liao)(liao)與(yu)其(qi)(qi)他(ta)(ta)材料(liao)(liao)的(de)(de)(de)(de)(de)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)接(jie)(jie)(jie)(jie)(jie)(jie)，還是(shi)(shi)(shi)(shi)(shi)要(yao)(yao)用(yong)(yong)(yong)(yong)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)黏(nian)(nian)(nian)劑(ji)(ji)(ji)(ji)(ji)(ji)(ji)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)接(jie)(jie)(jie)(jie)(jie)(jie)。熱(re)(re)(re)固(gu)性(xing)(xing)塑(su)(su)料(liao)(liao)固(gu)化(hua)(hua)(hua)(hua)后(hou)因不(bu)(bu)(bu)溶(rong)(rong)(rong)(rong)(rong)(rong)不(bu)(bu)(bu)熔只(zhi)能(neng)(neng)(neng)用(yong)(yong)(yong)(yong)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)黏(nian)(nian)(nian)劑(ji)(ji)(ji)(ji)(ji)(ji)(ji)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)接(jie)(jie)(jie)(jie)(jie)(jie)。用(yong)(yong)(yong)(yong)溶(rong)(rong)(rong)(rong)(rong)(rong)劑(ji)(ji)(ji)(ji)(ji)(ji)(ji)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)接(jie)(jie)(jie)(jie)(jie)(jie)時(shi)，要(yao)(yao)使(shi)(shi)溶(rong)(rong)(rong)(rong)(rong)(rong)劑(ji)(ji)(ji)(ji)(ji)(ji)(ji)揮(hui)發(fa)掉，疊合(he)后(hou)應(ying)(ying)(ying)施加(jia)(jia)一定壓(ya)力。4、膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)接(jie)(jie)(jie)(jie)(jie)(jie)形式膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)接(jie)(jie)(jie)(jie)(jie)(jie)形式見表(biao)(biao)11-17。在(zai)實際中(zhong)(zhong)，可根據(ju)需要(yao)(yao)選用(yong)(yong)(yong)(yong)機(ji)械(xie)連(lian)接(jie)(jie)(jie)(jie)(jie)(jie)或膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)接(jie)(jie)(jie)(jie)(jie)(jie)，更可以(yi)同(tong)時(shi)采(cai)用(yong)(yong)(yong)(yong)兩種(zhong)(zhong)(zhong)(zhong)連(lian)接(jie)(jie)(jie)(jie)(jie)(jie)，發(fa)揮(hui)兩種(zhong)(zhong)(zhong)(zhong)連(lian)接(jie)(jie)(jie)(jie)(jie)(jie)的(de)(de)(de)(de)(de)優點。圖(tu)(tu)(tu)11-16′是(shi)(shi)(shi)(shi)(shi)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)接(jie)(jie)(jie)(jie)(jie)(jie)過(guo)(guo)程(cheng)中(zhong)(zhong)纖維(wei)正(zheng)確取向(xiang)示(shi)意圖(tu)(tu)(tu)。圖(tu)(tu)(tu)11-17、圖(tu)(tu)(tu)11-18是(shi)(shi)(shi)(shi)(shi)板、管、棒連(lian)接(jie)(jie)(jie)(jie)(jie)(jie)形式。

冷卻塔排污水處理

循環(huan)冷(leng)卻水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)的(de)(de)(de)(de)排(pai)(pai)(pai)(pai)(pai)(pai)污(wu)(wu)(wu)(wu)(wu)(wu)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)中(zhong)(zhong)(zhong)(zhong)含有(you)(you)不(bu)(bu)同程(cheng)度(du)(du)的(de)(de)(de)(de)懸浮(fu)物(wu)、各(ge)種(zhong)鹽類(lei)、金(jin)屬(shu)氧化(hua)(hua)物(wu)、阻垢緩蝕劑(ji)(ji)、殺(sha)生(sheng)劑(ji)(ji)等(deng)，水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)質(zhi)(zhi)(zhi)通常(chang)超(chao)過排(pai)(pai)(pai)(pai)(pai)(pai)放(fang)(fang)標(biao)(biao)(biao)準(zhun)(zhun)(zhun)，應(ying)(ying)作(zuo)(zuo)必要(yao)處(chu)(chu)(chu)(chu)(chu)(chu)(chu)(chu)(chu)理(li)(li)(li)(li)(li)(li)(li)達到排(pai)(pai)(pai)(pai)(pai)(pai)放(fang)(fang)要(yao)求后才(cai)能(neng)(neng)排(pai)(pai)(pai)(pai)(pai)(pai)放(fang)(fang)。但單(dan)(dan)獨(du)設(she)置處(chu)(chu)(chu)(chu)(chu)(chu)(chu)(chu)(chu)理(li)(li)(li)(li)(li)(li)(li)統(tong)(tong)很不(bu)(bu)經(jing)濟，如果(guo)企業(ye)本身有(you)(you)污(wu)(wu)(wu)(wu)(wu)(wu)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)處(chu)(chu)(chu)(chu)(chu)(chu)(chu)(chu)(chu)理(li)(li)(li)(li)(li)(li)(li)廠，而循環(huan)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)系(xi)(xi)(xi)統(tong)(tong)的(de)(de)(de)(de)排(pai)(pai)(pai)(pai)(pai)(pai)污(wu)(wu)(wu)(wu)(wu)(wu)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)質(zhi)(zhi)(zhi)又符合(he)進(jin)入(ru)污(wu)(wu)(wu)(wu)(wu)(wu)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)處(chu)(chu)(chu)(chu)(chu)(chu)(chu)(chu)(chu)理(li)(li)(li)(li)(li)(li)(li)廠的(de)(de)(de)(de)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)質(zhi)(zhi)(zhi)指標(biao)(biao)(biao)，在(zai)技術經(jing)濟上(shang)合(he)理(li)(li)(li)(li)(li)(li)(li)時(shi)(shi)(shi)(shi)，宜(yi)合(he)并，以節(jie)約(yue)投(tou)資、用(yong)(yong)(yong)(yong)地(di)及管(guan)理(li)(li)(li)(li)(li)(li)(li)人(ren)員等(deng)。如果(guo)企業(ye)本身沒(mei)有(you)(you)污(wu)(wu)(wu)(wu)(wu)(wu)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)處(chu)(chu)(chu)(chu)(chu)(chu)(chu)(chu)(chu)理(li)(li)(li)(li)(li)(li)(li)廠及污(wu)(wu)(wu)(wu)(wu)(wu)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)處(chu)(chu)(chu)(chu)(chu)(chu)(chu)(chu)(chu)理(li)(li)(li)(li)(li)(li)(li)系(xi)(xi)(xi)統(tong)(tong)，排(pai)(pai)(pai)(pai)(pai)(pai)污(wu)(wu)(wu)(wu)(wu)(wu)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)質(zhi)(zhi)(zhi)符合(he)排(pai)(pai)(pai)(pai)(pai)(pai)入(ru)城(cheng)(cheng)市污(wu)(wu)(wu)(wu)(wu)(wu)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)管(guan)道(dao)，則得(de)到市政有(you)(you)關部門同意后，排(pai)(pai)(pai)(pai)(pai)(pai)入(ru)城(cheng)(cheng)市污(wu)(wu)(wu)(wu)(wu)(wu)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)管(guan)道(dao)，到城(cheng)(cheng)市污(wu)(wu)(wu)(wu)(wu)(wu)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)處(chu)(chu)(chu)(chu)(chu)(chu)(chu)(chu)(chu)理(li)(li)(li)(li)(li)(li)(li)廠集中(zhong)(zhong)(zhong)(zhong)處(chu)(chu)(chu)(chu)(chu)(chu)(chu)(chu)(chu)理(li)(li)(li)(li)(li)(li)(li)。對于含鉻(ge)等(deng)重金(jin)屬(shu)或(huo)有(you)(you)毒(du)(du)污(wu)(wu)(wu)(wu)(wu)(wu)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)，不(bu)(bu)宜(yi)同其(qi)(qi)他污(wu)(wu)(wu)(wu)(wu)(wu)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)合(he)并處(chu)(chu)(chu)(chu)(chu)(chu)(chu)(chu)(chu)理(li)(li)(li)(li)(li)(li)(li)時(shi)(shi)(shi)(shi)，可考慮(lv)(lv)進(jin)行單(dan)(dan)獨(du)處(chu)(chu)(chu)(chu)(chu)(chu)(chu)(chu)(chu)理(li)(li)(li)(li)(li)(li)(li)，處(chu)(chu)(chu)(chu)(chu)(chu)(chu)(chu)(chu)理(li)(li)(li)(li)(li)(li)(li)到一(yi)定(ding)(ding)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)質(zhi)(zhi)(zhi)標(biao)(biao)(biao)準(zhun)(zhun)(zhun)后再排(pai)(pai)(pai)(pai)(pai)(pai)入(ru)企業(ye)污(wu)(wu)(wu)(wu)(wu)(wu)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)處(chu)(chu)(chu)(chu)(chu)(chu)(chu)(chu)(chu)理(li)(li)(li)(li)(li)(li)(li)廠進(jin)一(yi)步(bu)處(chu)(chu)(chu)(chu)(chu)(chu)(chu)(chu)(chu)理(li)(li)(li)(li)(li)(li)(li)后直接排(pai)(pai)(pai)(pai)(pai)(pai)放(fang)(fang)。1、排(pai)(pai)(pai)(pai)(pai)(pai)污(wu)(wu)(wu)(wu)(wu)(wu)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)處(chu)(chu)(chu)(chu)(chu)(chu)(chu)(chu)(chu)理(li)(li)(li)(li)(li)(li)(li)流程(cheng)排(pai)(pai)(pai)(pai)(pai)(pai)污(wu)(wu)(wu)(wu)(wu)(wu)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)處(chu)(chu)(chu)(chu)(chu)(chu)(chu)(chu)(chu)理(li)(li)(li)(li)(li)(li)(li)流程(cheng)應(ying)(ying)根(gen)據排(pai)(pai)(pai)(pai)(pai)(pai)污(wu)(wu)(wu)(wu)(wu)(wu)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)的(de)(de)(de)(de)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)量(liang)、水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)質(zhi)(zhi)(zhi)、變(bian)化(hua)(hua)幅度(du)(du)；允(yun)許排(pai)(pai)(pai)(pai)(pai)(pai)放(fang)(fang)的(de)(de)(de)(de)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)質(zhi)(zhi)(zhi)標(biao)(biao)(biao)準(zhun)(zhun)(zhun)；重復利用(yong)(yong)(yong)(yong)的(de)(de)(de)(de)可能(neng)(neng)性(xing)(xing)(xing)；結(jie)合(he)企業(ye)污(wu)(wu)(wu)(wu)(wu)(wu)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)處(chu)(chu)(chu)(chu)(chu)(chu)(chu)(chu)(chu)理(li)(li)(li)(li)(li)(li)(li)設(she)施(shi)(shi)合(he)并處(chu)(chu)(chu)(chu)(chu)(chu)(chu)(chu)(chu)理(li)(li)(li)(li)(li)(li)(li)還是單(dan)(dan)獨(du)處(chu)(chu)(chu)(chu)(chu)(chu)(chu)(chu)(chu)理(li)(li)(li)(li)(li)(li)(li)等(deng)綜合(he)考慮(lv)(lv)。敞開(kai)式循環(huan)冷(leng)卻水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)系(xi)(xi)(xi)統(tong)(tong)的(de)(de)(de)(de)排(pai)(pai)(pai)(pai)(pai)(pai)污(wu)(wu)(wu)(wu)(wu)(wu)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)包括：冷(leng)卻塔水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)池底的(de)(de)(de)(de)排(pai)(pai)(pai)(pai)(pai)(pai)污(wu)(wu)(wu)(wu)(wu)(wu)、循環(huan)回流管(guan)的(de)(de)(de)(de)排(pai)(pai)(pai)(pai)(pai)(pai)污(wu)(wu)(wu)(wu)(wu)(wu)、旁濾池反洗水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)、系(xi)(xi)(xi)統(tong)(tong)清洗、預膜時(shi)(shi)(shi)(shi)的(de)(de)(de)(de)排(pai)(pai)(pai)(pai)(pai)(pai)污(wu)(wu)(wu)(wu)(wu)(wu)、系(xi)(xi)(xi)統(tong)(tong)清渣排(pai)(pai)(pai)(pai)(pai)(pai)泥(ni)等(deng)。排(pai)(pai)(pai)(pai)(pai)(pai)污(wu)(wu)(wu)(wu)(wu)(wu)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)分連(lian)續(xu)排(pai)(pai)(pai)(pai)(pai)(pai)放(fang)(fang)和間斷(duan)排(pai)(pai)(pai)(pai)(pai)(pai)放(fang)(fang)兩(liang)種(zhong)，正(zheng)常(chang)情況(kuang)下(xia)(xia)的(de)(de)(de)(de)排(pai)(pai)(pai)(pai)(pai)(pai)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)量(liang)在(zai)一(yi)天內變(bian)化(hua)(hua)不(bu)(bu)大，因(yin)此按(an)連(lian)續(xu)最大日平均小時(shi)(shi)(shi)(shi)排(pai)(pai)(pai)(pai)(pai)(pai)污(wu)(wu)(wu)(wu)(wu)(wu)量(liang)設(she)計處(chu)(chu)(chu)(chu)(chu)(chu)(chu)(chu)(chu)理(li)(li)(li)(li)(li)(li)(li)構筑(zhu)物(wu)。在(zai)清洗預膜等(deng)特殊情況(kuang)下(xia)(xia)，排(pai)(pai)(pai)(pai)(pai)(pai)污(wu)(wu)(wu)(wu)(wu)(wu)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)量(liang)比(bi)正(zheng)常(chang)排(pai)(pai)(pai)(pai)(pai)(pai)污(wu)(wu)(wu)(wu)(wu)(wu)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)量(liang)增加很多(duo)，則可用(yong)(yong)(yong)(yong)調節(jie)設(she)施(shi)(shi)進(jin)行貯存(cun)，再逐步(bu)處(chu)(chu)(chu)(chu)(chu)(chu)(chu)(chu)(chu)理(li)(li)(li)(li)(li)(li)(li)或(huo)用(yong)(yong)(yong)(yong)其(qi)(qi)他臨(lin)(lin)時(shi)(shi)(shi)(shi)措(cuo)施(shi)(shi)解決。密閉(bi)式循環(huan)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)系(xi)(xi)(xi)統(tong)(tong)，因(yin)采(cai)(cai)用(yong)(yong)(yong)(yong)高濃度(du)(du)緩蝕劑(ji)(ji)，且(qie)毒(du)(du)性(xing)(xing)(xing)較大，如在(zai)緊急停車需(xu)向外排(pai)(pai)(pai)(pai)(pai)(pai)出(chu)時(shi)(shi)(shi)(shi)，需(xu)設(she)臨(lin)(lin)時(shi)(shi)(shi)(shi)貯存(cun)器或(huo)排(pai)(pai)(pai)(pai)(pai)(pai)放(fang)(fang)處(chu)(chu)(chu)(chu)(chu)(chu)(chu)(chu)(chu)理(li)(li)(li)(li)(li)(li)(li)措(cuo)施(shi)(shi)。處(chu)(chu)(chu)(chu)(chu)(chu)(chu)(chu)(chu)理(li)(li)(li)(li)(li)(li)(li)方法(fa)(fa)(fa)(fa)主要(yao)是以物(wu)化(hua)(hua)法(fa)(fa)(fa)(fa)為(wei)(wei)主，需(xu)要(yao)時(shi)(shi)(shi)(shi)由(you)(you)生(sheng)化(hua)(hua)法(fa)(fa)(fa)(fa)相(xiang)配(pei)合(he)，即物(wu)化(hua)(hua)、生(sheng)化(hua)(hua)相(xiang)結(jie)合(he)，處(chu)(chu)(chu)(chu)(chu)(chu)(chu)(chu)(chu)理(li)(li)(li)(li)(li)(li)(li)后的(de)(de)(de)(de)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)應(ying)(ying)達到國(guo)家(jia)(jia)規定(ding)(ding)的(de)(de)(de)(de)排(pai)(pai)(pai)(pai)(pai)(pai)放(fang)(fang)標(biao)(biao)(biao)準(zhun)(zhun)(zhun)。2、特殊處(chu)(chu)(chu)(chu)(chu)(chu)(chu)(chu)(chu)理(li)(li)(li)(li)(li)(li)(li)特殊處(chu)(chu)(chu)(chu)(chu)(chu)(chu)(chu)(chu)理(li)(li)(li)(li)(li)(li)(li)是指含磷(lin)、鋅(xin)(xin)(xin)、鉻(ge)、氯(lv)等(deng)污(wu)(wu)(wu)(wu)(wu)(wu)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)。1除磷(lin)含磷(lin)污(wu)(wu)(wu)(wu)(wu)(wu)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)排(pai)(pai)(pai)(pai)(pai)(pai)放(fang)(fang)到地(di)面(mian)(mian)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)體中(zhong)(zhong)(zhong)(zhong)會(hui)導致水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)體的(de)(de)(de)(de)富(fu)營(ying)養化(hua)(hua)，使微生(sheng)物(wu)及藻類(lei)繁殖生(sheng)長，污(wu)(wu)(wu)(wu)(wu)(wu)染(ran)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)體及環(huan)境(jing)。因(yin)此循環(huan)冷(leng)卻水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)處(chu)(chu)(chu)(chu)(chu)(chu)(chu)(chu)(chu)理(li)(li)(li)(li)(li)(li)(li)中(zhong)(zhong)(zhong)(zhong)不(bu)(bu)僅應(ying)(ying)采(cai)(cai)用(yong)(yong)(yong)(yong)低磷(lin)和無磷(lin)的(de)(de)(de)(de)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)處(chu)(chu)(chu)(chu)(chu)(chu)(chu)(chu)(chu)理(li)(li)(li)(li)(li)(li)(li)劑(ji)(ji)配(pei)方，還應(ying)(ying)使循環(huan)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)排(pai)(pai)(pai)(pai)(pai)(pai)污(wu)(wu)(wu)(wu)(wu)(wu)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)的(de)(de)(de)(de)磷(lin)含量(liang)符合(he)國(guo)家(jia)(jia)規定(ding)(ding)的(de)(de)(de)(de)《污(wu)(wu)(wu)(wu)(wu)(wu)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)綜合(he)排(pai)(pai)(pai)(pai)(pai)(pai)放(fang)(fang)標(biao)(biao)(biao)準(zhun)(zhun)(zhun)》，如果(guo)超(chao)過允(yun)許值(zhi)時(shi)(shi)(shi)(shi)，對磷(lin)系(xi)(xi)(xi)藥(yao)劑(ji)(ji)的(de)(de)(de)(de)循環(huan)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)排(pai)(pai)(pai)(pai)(pai)(pai)污(wu)(wu)(wu)(wu)(wu)(wu)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)需(xu)要(yao)除磷(lin)處(chu)(chu)(chu)(chu)(chu)(chu)(chu)(chu)(chu)理(li)(li)(li)(li)(li)(li)(li)。其(qi)(qi)處(chu)(chu)(chu)(chu)(chu)(chu)(chu)(chu)(chu)理(li)(li)(li)(li)(li)(li)(li)方法(fa)(fa)(fa)(fa)有(you)(you)活(huo)性(xing)(xing)(xing)污(wu)(wu)(wu)(wu)(wu)(wu)泥(ni)法(fa)(fa)(fa)(fa)、混(hun)凝(ning)沉(chen)淀法(fa)(fa)(fa)(fa)、離子交(jiao)(jiao)換(huan)法(fa)(fa)(fa)(fa)、吸附法(fa)(fa)(fa)(fa)等(deng)，其(qi)(qi)中(zhong)(zhong)(zhong)(zhong)混(hun)凝(ning)沉(chen)淀法(fa)(fa)(fa)(fa)最經(jing)濟、實(shi)用(yong)(yong)(yong)(yong)。宜(yi)采(cai)(cai)用(yong)(yong)(yong)(yong)鐵鹽為(wei)(wei)混(hun)凝(ning)劑(ji)(ji)，并以石灰作(zuo)(zuo)為(wei)(wei)助凝(ning)劑(ji)(ji)，鐵鹽投(tou)量(liang)為(wei)(wei)15～30mgL，磷(lin)的(de)(de)(de)(de)去除率可達85%～90%。采(cai)(cai)用(yong)(yong)(yong)(yong)硫酸鋁作(zuo)(zuo)為(wei)(wei)混(hun)凝(ning)劑(ji)(ji)時(shi)(shi)(shi)(shi)，用(yong)(yong)(yong)(yong)量(liang)比(bi)鐵鹽高，一(yi)般需(xu)加100mgL以上(shang)才(cai)能(neng)(neng)將污(wu)(wu)(wu)(wu)(wu)(wu)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)中(zhong)(zhong)(zhong)(zhong)磷(lin)降低到1mgL。2除鋅(xin)(xin)(xin)污(wu)(wu)(wu)(wu)(wu)(wu)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)中(zhong)(zhong)(zhong)(zhong)鋅(xin)(xin)(xin)及其(qi)(qi)化(hua)(hua)合(he)物(wu)含量(liang)應(ying)(ying)符合(he)國(guo)家(jia)(jia)的(de)(de)(de)(de)《污(wu)(wu)(wu)(wu)(wu)(wu)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)綜合(he)排(pai)(pai)(pai)(pai)(pai)(pai)放(fang)(fang)標(biao)(biao)(biao)準(zhun)(zhun)(zhun)》規定(ding)(ding)值(zhi)，如果(guo)污(wu)(wu)(wu)(wu)(wu)(wu)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)中(zhong)(zhong)(zhong)(zhong)鋅(xin)(xin)(xin)含量(liang)超(chao)過允(yun)許值(zhi)則應(ying)(ying)除鋅(xin)(xin)(xin)。可采(cai)(cai)用(yong)(yong)(yong)(yong)化(hua)(hua)學沉(chen)淀和離子交(jiao)(jiao)換(huan)法(fa)(fa)(fa)(fa)除鋅(xin)(xin)(xin)，當(dang)然化(hua)(hua)學沉(chen)淀法(fa)(fa)(fa)(fa)較為(wei)(wei)經(jing)濟，但污(wu)(wu)(wu)(wu)(wu)(wu)泥(ni)量(liang)較大。3除氯(lv)由(you)(you)于水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)中(zhong)(zhong)(zhong)(zhong)的(de)(de)(de)(de)活(huo)性(xing)(xing)(xing)氯(lv)會(hui)與水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)中(zhong)(zhong)(zhong)(zhong)含氮有(you)(you)機(ji)物(wu)反應(ying)(ying)，生(sheng)成氯(lv)胺對魚類(lei)有(you)(you)毒(du)(du)，此外余(yu)氯(lv)對其(qi)(qi)他水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)生(sheng)生(sheng)物(wu)都有(you)(you)危害。地(di)面(mian)(mian)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)中(zhong)(zhong)(zhong)(zhong)不(bu)(bu)得(de)析出(chu)活(huo)性(xing)(xing)(xing)氯(lv)。當(dang)循環(huan)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)排(pai)(pai)(pai)(pai)(pai)(pai)污(wu)(wu)(wu)(wu)(wu)(wu)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)中(zhong)(zhong)(zhong)(zhong)的(de)(de)(de)(de)余(yu)氯(lv)可能(neng)(neng)引起水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)體中(zhong)(zhong)(zhong)(zhong)的(de)(de)(de)(de)余(yu)氯(lv)超(chao)過規定(ding)(ding)時(shi)(shi)(shi)(shi)，要(yao)考慮(lv)(lv)脫氯(lv)處(chu)(chu)(chu)(chu)(chu)(chu)(chu)(chu)(chu)理(li)(li)(li)(li)(li)(li)(li)。4除鉻(ge)六價鉻(ge)的(de)(de)(de)(de)排(pai)(pai)(pai)(pai)(pai)(pai)放(fang)(fang)標(biao)(biao)(biao)準(zhun)(zhun)(zhun)為(wei)(wei)0、5mgL。在(zai)用(yong)(yong)(yong)(yong)鉻(ge)系(xi)(xi)(xi)配(pei)方的(de)(de)(de)(de)排(pai)(pai)(pai)(pai)(pai)(pai)污(wu)(wu)(wu)(wu)(wu)(wu)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)中(zhong)(zhong)(zhong)(zhong)往往含有(you)(you)4～20mgL六價鉻(ge)，所以要(yao)有(you)(you)除鉻(ge)措(cuo)施(shi)(shi)。