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(dian)除塵器主要有兩種(zhong)結構形式(shi)，一種(zhong)是使用(yong)耐(nai)腐蝕導電(dian)材料（可以為(wei)導電(dian)性能(neng)優良的的非金屬(shu)材料或(huo)具有耐(nai)腐蝕特性的金屬(shu)材料）做集塵極，另一種(zhong)是用(yong)通過噴(pen)水(shui)(shui)或(huo)溢流水(shui)(shui)形成導電(dian)水(shui)(shui)膜，利用(yong)不導電(dian)的非金屬(shu)材料做集塵極。

收塵原理

濕(shi)(shi)式(shi)(shi)電(dian)(dian)(dian)除(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)器和與干(gan)式(shi)(shi)電(dian)(dian)(dian)除(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)器的(de)(de)收(shou)(shou)塵(chen)(chen)(chen)(chen)(chen)(chen)原理(li)相(xiang)同，都是靠高壓電(dian)(dian)(dian)暈放電(dian)(dian)(dian)使得粉(fen)塵(chen)(chen)(chen)(chen)(chen)(chen)荷(he)電(dian)(dian)(dian)，荷(he)電(dian)(dian)(dian)后的(de)(de)粉(fen)塵(chen)(chen)(chen)(chen)(chen)(chen)在電(dian)(dian)(dian)場力的(de)(de)作用(yong)下到達集(ji)塵(chen)(chen)(chen)(chen)(chen)(chen)板/管。干(gan)式(shi)(shi)電(dian)(dian)(dian)收(shou)(shou)塵(chen)(chen)(chen)(chen)(chen)(chen)器主要處理(li)含水很(hen)低的(de)(de)干(gan)氣(qi)體，濕(shi)(shi)式(shi)(shi)電(dian)(dian)(dian)除(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)器主要處理(li)含水較高乃至飽(bao)和的(de)(de)濕(shi)(shi)氣(qi)體。在對(dui)集(ji)塵(chen)(chen)(chen)(chen)(chen)(chen)板/管上捕(bu)集(ji)到的(de)(de)粉(fen)塵(chen)(chen)(chen)(chen)(chen)(chen)清(qing)(qing)除(chu)方式(shi)(shi)上WESP與DESP有較大區別(bie)，干(gan)式(shi)(shi)電(dian)(dian)(dian)除(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)器一般采(cai)用(yong)機械振打(da)或(huo)聲波清(qing)(qing)灰等方式(shi)(shi)清(qing)(qing)除(chu)電(dian)(dian)(dian)極上的(de)(de)積(ji)灰，而濕(shi)(shi)式(shi)(shi)電(dian)(dian)(dian)除(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)器則(ze)采(cai)用(yong)定期沖洗的(de)(de)方式(shi)(shi)，使粉(fen)塵(chen)(chen)(chen)(chen)(chen)(chen)隨著(zhu)沖刷液的(de)(de)流動而清(qing)(qing)除(chu)。