廢(fei)(fei)(fei)水(shui)(shui)(shui)蒸(zheng)(zheng)(zheng)(zheng)(zheng)(zheng)發(fa)(fa)(fa)(fa)器(qi)(qi)是指針對(dui)(dui)化(hua)工有(you)機(ji)廢(fei)(fei)(fei)水(shui)(shui)(shui)高鹽(yan)分(fen)高濃(nong)度等特(te)點,基于蒸(zheng)(zheng)(zheng)(zheng)(zheng)(zheng)發(fa)(fa)(fa)(fa)濃(nong)縮結晶的(de)(de)(de)原理(li)采(cai)用(yong)多效(xiao)減(jian)壓蒸(zheng)(zheng)(zheng)(zheng)(zheng)(zheng)發(fa)(fa)(fa)(fa)濃(nong)縮結晶有(you)機(ji)廢(fei)(fei)(fei)水(shui)(shui)(shui),對(dui)(dui)濃(nong)縮液(ye)(ye)(ye)中的(de)(de)(de)鹽(yan)分(fen)進行(xing)分(fen)離(li)后(hou)，通過(guo)集鹽(yan)器(qi)(qi)進行(xing)回(hui)收,濃(nong)縮液(ye)(ye)(ye)進行(xing)干燥回(hui)收或(huo)(huo)焚燒處理(li),蒸(zheng)(zheng)(zheng)(zheng)(zheng)(zheng)發(fa)(fa)(fa)(fa)后(hou)的(de)(de)(de)冷(leng)(leng)凝水(shui)(shui)(shui)一(yi)般通過(guo)后(hou)續(xu)的(de)(de)(de)生化(hua)處理(li)進行(xing)處理(li)，可以實現廢(fei)(fei)(fei)水(shui)(shui)(shui)排放(fang)的(de)(de)(de)標準。1.溶(rong)(rong)(rong)(rong)(rong)(rong)液(ye)(ye)(ye)的(de)(de)(de)熱(re)穩定性(xing)對(dui)(dui)長(chang)(chang)時(shi)(shi)間(jian)受熱(re)易分(fen)解、易聚合以及易結垢(gou)的(de)(de)(de)溶(rong)(rong)(rong)(rong)(rong)(rong)液(ye)(ye)(ye)蒸(zheng)(zheng)(zheng)(zheng)(zheng)(zheng)發(fa)(fa)(fa)(fa)時(shi)(shi)，應采(cai)用(yong)滯料量少、停(ting)留時(shi)(shi)間(jian)短的(de)(de)(de)廢(fei)(fei)(fei)水(shui)(shui)(shui)蒸(zheng)(zheng)(zheng)(zheng)(zheng)(zheng)發(fa)(fa)(fa)(fa)器(qi)(qi)。2.有(you)晶體析出的(de)(de)(de)溶(rong)(rong)(rong)(rong)(rong)(rong)液(ye)(ye)(ye)對(dui)(dui)蒸(zheng)(zheng)(zheng)(zheng)(zheng)(zheng)發(fa)(fa)(fa)(fa)時(shi)(shi)有(you)晶體析出的(de)(de)(de)溶(rong)(rong)(rong)(rong)(rong)(rong)液(ye)(ye)(ye)應采(cai)用(yong)外熱(re)式(shi)(shi)廢(fei)(fei)(fei)水(shui)(shui)(shui)蒸(zheng)(zheng)(zheng)(zheng)(zheng)(zheng)發(fa)(fa)(fa)(fa)器(qi)(qi)或(huo)(huo)強(qiang)制(zhi)循(xun)環式(shi)(shi)廢(fei)(fei)(fei)水(shui)(shui)(shui)蒸(zheng)(zheng)(zheng)(zheng)(zheng)(zheng)發(fa)(fa)(fa)(fa)器(qi)(qi)。3.易發(fa)(fa)(fa)(fa)泡的(de)(de)(de)溶(rong)(rong)(rong)(rong)(rong)(rong)液(ye)(ye)(ye)易發(fa)(fa)(fa)(fa)泡的(de)(de)(de)溶(rong)(rong)(rong)(rong)(rong)(rong)液(ye)(ye)(ye)在蒸(zheng)(zheng)(zheng)(zheng)(zheng)(zheng)發(fa)(fa)(fa)(fa)時(shi)(shi)會生成(cheng)大址層(ceng)(ceng)(ceng)層(ceng)(ceng)(ceng)重疊(die)、不易破滅的(de)(de)(de)泡沫，充滿了整(zheng)個分(fen)離(li)室后(hou)即(ji)隨(sui)二次蒸(zheng)(zheng)(zheng)(zheng)(zheng)(zheng)汽排出，不但損失物料，而且污染(ran)冷(leng)(leng)凝器(qi)(qi)。蒸(zheng)(zheng)(zheng)(zheng)(zheng)(zheng)發(fa)(fa)(fa)(fa)這種溶(rong)(rong)(rong)(rong)(rong)(rong)液(ye)(ye)(ye)宜采(cai)用(yong)外熱(re)式(shi)(shi)廢(fei)(fei)(fei)水(shui)(shui)(shui)蒸(zheng)(zheng)(zheng)(zheng)(zheng)(zheng)發(fa)(fa)(fa)(fa)器(qi)(qi)、強(qiang)制(zhi)循(xun)環式(shi)(shi)廢(fei)(fei)(fei)水(shui)(shui)(shui)蒸(zheng)(zheng)(zheng)(zheng)(zheng)(zheng)發(fa)(fa)(fa)(fa)器(qi)(qi)或(huo)(huo)升(sheng)膜(mo)式(shi)(shi)廢(fei)(fei)(fei)水(shui)(shui)(shui)蒸(zheng)(zheng)(zheng)(zheng)(zheng)(zheng)發(fa)(fa)(fa)(fa)器(qi)(qi)。若(ruo)將中央循(xun)環管式(shi)(shi)廢(fei)(fei)(fei)水(shui)(shui)(shui)蒸(zheng)(zheng)(zheng)(zheng)(zheng)(zheng)發(fa)(fa)(fa)(fa)器(qi)(qi)和(he)懸(xuan)筐式(shi)(shi)廢(fei)(fei)(fei)水(shui)(shui)(shui)蒸(zheng)(zheng)(zheng)(zheng)(zheng)(zheng)發(fa)(fa)(fa)(fa)器(qi)(qi)的(de)(de)(de)分(fen)離(li)室選擇(ze)大一(yi)些，也(ye)可用(yong)于這種溶(rong)(rong)(rong)(rong)(rong)(rong)液(ye)(ye)(ye)的(de)(de)(de)蒸(zheng)(zheng)(zheng)(zheng)(zheng)(zheng)發(fa)(fa)(fa)(fa)。4.有(you)腐蝕(shi)性(xing)的(de)(de)(de)溶(rong)(rong)(rong)(rong)(rong)(rong)液(ye)(ye)(ye)蒸(zheng)(zheng)(zheng)(zheng)(zheng)(zheng)發(fa)(fa)(fa)(fa)腐蝕(shi)性(xing)溶(rong)(rong)(rong)(rong)(rong)(rong)液(ye)(ye)(ye)時(shi)(shi)，加熱(re)特(te)應采(cai)用(yong)特(te)殊材(cai)(cai)質制(zhi)成(cheng)，或(huo)(huo)內(nei)壁襯以耐腐蝕(shi)材(cai)(cai)料。若(ruo)溶(rong)(rong)(rong)(rong)(rong)(rong)液(ye)(ye)(ye)不怕污染(ran)，也(ye)可采(cai)用(yong)直(zhi)接加熱(re)廢(fei)(fei)(fei)水(shui)(shui)(shui)蒸(zheng)(zheng)(zheng)(zheng)(zheng)(zheng)發(fa)(fa)(fa)(fa)器(qi)(qi)。5.易結垢(gou)的(de)(de)(de)溶(rong)(rong)(rong)(rong)(rong)(rong)液(ye)(ye)(ye)無論蒸(zheng)(zheng)(zheng)(zheng)(zheng)(zheng)發(fa)(fa)(fa)(fa)何種溶(rong)(rong)(rong)(rong)(rong)(rong)液(ye)(ye)(ye)，廢(fei)(fei)(fei)水(shui)(shui)(shui)蒸(zheng)(zheng)(zheng)(zheng)(zheng)(zheng)發(fa)(fa)(fa)(fa)器(qi)(qi)長(chang)(chang)久使用(yong)后(hou)，傳熱(re)表面上總會有(you)污垢(gou)生成(cheng)。垢(gou)層(ceng)(ceng)(ceng)的(de)(de)(de)熱(re)導(dao)率小，因此對(dui)(dui)易結垢(gou)的(de)(de)(de)溶(rong)(rong)(rong)(rong)(rong)(rong)液(ye)(ye)(ye)，應考慮選擇(ze)便于清洗和(he)溶(rong)(rong)(rong)(rong)(rong)(rong)液(ye)(ye)(ye)循(xun)環速度大的(de)(de)(de)廢(fei)(fei)(fei)水(shui)(shui)(shui)蒸(zheng)(zheng)(zheng)(zheng)(zheng)(zheng)發(fa)(fa)(fa)(fa)器(qi)(qi)。
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