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(shi)式電除塵(chen)器(qi)主要有兩種(zhong)結構形式，一種(zhong)是使用(yong)耐腐蝕(shi)導電材(cai)(cai)料(liao)（可(ke)以為導電性能優良(liang)的的非(fei)金(jin)(jin)屬材(cai)(cai)料(liao)或具有耐腐蝕(shi)特性的金(jin)(jin)屬材(cai)(cai)料(liao)）做(zuo)集(ji)塵(chen)極(ji)，另一種(zhong)是用(yong)通過噴水(shui)或溢流水(shui)形成導電水(shui)膜，利用(yong)不(bu)導電的非(fei)金(jin)(jin)屬材(cai)(cai)料(liao)做(zuo)集(ji)塵(chen)極(ji)。

收塵原理

濕式(shi)(shi)(shi)(shi)電(dian)(dian)(dian)除(chu)(chu)塵(chen)(chen)器(qi)(qi)和與干(gan)式(shi)(shi)(shi)(shi)電(dian)(dian)(dian)除(chu)(chu)塵(chen)(chen)器(qi)(qi)的收(shou)塵(chen)(chen)原理相同，都是靠高壓電(dian)(dian)(dian)暈(yun)放電(dian)(dian)(dian)使(shi)得粉(fen)塵(chen)(chen)荷電(dian)(dian)(dian)，荷電(dian)(dian)(dian)后的粉(fen)塵(chen)(chen)在電(dian)(dian)(dian)場力的作用下到(dao)達集塵(chen)(chen)板(ban)/管。干(gan)式(shi)(shi)(shi)(shi)電(dian)(dian)(dian)收(shou)塵(chen)(chen)器(qi)(qi)主要處理含水(shui)(shui)很低的干(gan)氣(qi)體，濕式(shi)(shi)(shi)(shi)電(dian)(dian)(dian)除(chu)(chu)塵(chen)(chen)器(qi)(qi)主要處理含水(shui)(shui)較高乃至(zhi)飽(bao)和的濕氣(qi)體。在對集塵(chen)(chen)板(ban)/管上捕集到(dao)的粉(fen)塵(chen)(chen)清除(chu)(chu)方(fang)式(shi)(shi)(shi)(shi)上WESP與DESP有較大區別，干(gan)式(shi)(shi)(shi)(shi)電(dian)(dian)(dian)除(chu)(chu)塵(chen)(chen)器(qi)(qi)一般采用機械振打或聲波(bo)清灰等方(fang)式(shi)(shi)(shi)(shi)清除(chu)(chu)電(dian)(dian)(dian)極(ji)上的積灰，而(er)濕式(shi)(shi)(shi)(shi)電(dian)(dian)(dian)除(chu)(chu)塵(chen)(chen)器(qi)(qi)則采用定期(qi)沖(chong)洗的方(fang)式(shi)(shi)(shi)(shi)，使(shi)粉(fen)塵(chen)(chen)隨著沖(chong)刷液的流動而(er)清除(chu)(chu)。