濕式電除塵器是一種用來處理含微量粉塵和微顆粒的新除塵設備，主要用來除去含濕氣體中的塵、酸霧、水滴、氣溶膠、臭味、PM2.5等有害物質，是治理大氣粉塵污染的理想設備。

濕式電除塵器通常簡稱WESP，與干式電除塵器的除塵基本原理相同，要經歷荷電、收集和清灰三個階段。

濕式(shi)電除塵器主要有兩種(zhong)(zhong)結(jie)構形式(shi)，一種(zhong)(zhong)是(shi)使用(yong)耐腐蝕導(dao)電材料（可以為導(dao)電性能優(you)良的的非金(jin)屬(shu)(shu)(shu)材料或具有耐腐蝕特性的金(jin)屬(shu)(shu)(shu)材料）做(zuo)集(ji)塵極(ji)，另一種(zhong)(zhong)是(shi)用(yong)通過噴(pen)水或溢流水形成(cheng)導(dao)電水膜(mo)，利(li)用(yong)不導(dao)電的非金(jin)屬(shu)(shu)(shu)材料做(zuo)集(ji)塵極(ji)。

收塵原理

濕(shi)式(shi)(shi)(shi)電(dian)(dian)(dian)除(chu)(chu)(chu)(chu)塵器(qi)(qi)(qi)和與干式(shi)(shi)(shi)電(dian)(dian)(dian)除(chu)(chu)(chu)(chu)塵器(qi)(qi)(qi)的(de)(de)收塵原理相(xiang)同，都是(shi)靠高壓(ya)電(dian)(dian)(dian)暈放電(dian)(dian)(dian)使(shi)得粉塵荷(he)電(dian)(dian)(dian)，荷(he)電(dian)(dian)(dian)后(hou)的(de)(de)粉塵在(zai)電(dian)(dian)(dian)場(chang)力的(de)(de)作用下(xia)到達集塵板/管(guan)。干式(shi)(shi)(shi)電(dian)(dian)(dian)收塵器(qi)(qi)(qi)主(zhu)要(yao)處理含水很低的(de)(de)干氣體，濕(shi)式(shi)(shi)(shi)電(dian)(dian)(dian)除(chu)(chu)(chu)(chu)塵器(qi)(qi)(qi)主(zhu)要(yao)處理含水較高乃至飽和的(de)(de)濕(shi)氣體。在(zai)對集塵板/管(guan)上捕(bu)集到的(de)(de)粉塵清(qing)除(chu)(chu)(chu)(chu)方(fang)式(shi)(shi)(shi)上WESP與DESP有(you)較大區別，干式(shi)(shi)(shi)電(dian)(dian)(dian)除(chu)(chu)(chu)(chu)塵器(qi)(qi)(qi)一般采用機械振打或聲波清(qing)灰(hui)等方(fang)式(shi)(shi)(shi)清(qing)除(chu)(chu)(chu)(chu)電(dian)(dian)(dian)極上的(de)(de)積灰(hui)，而(er)(er)濕(shi)式(shi)(shi)(shi)電(dian)(dian)(dian)除(chu)(chu)(chu)(chu)塵器(qi)(qi)(qi)則采用定(ding)期(qi)沖(chong)洗(xi)的(de)(de)方(fang)式(shi)(shi)(shi)，使(shi)粉塵隨著沖(chong)刷液的(de)(de)流動而(er)(er)清(qing)除(chu)(chu)(chu)(chu)。