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)(dian)(dian)除塵器(qi)主(zhu)要有兩種結構形式(shi)，一(yi)種是使用耐腐蝕(shi)導電(dian)(dian)(dian)材料(liao)(liao)（可以為(wei)導電(dian)(dian)(dian)性能優良的的非(fei)金屬材料(liao)(liao)或具有耐腐蝕(shi)特性的金屬材料(liao)(liao)）做集塵極(ji)，另一(yi)種是用通(tong)過噴水(shui)或溢(yi)流水(shui)形成導電(dian)(dian)(dian)水(shui)膜，利用不(bu)導電(dian)(dian)(dian)的非(fei)金屬材料(liao)(liao)做集塵極(ji)。

收塵原理

濕式(shi)(shi)(shi)(shi)電(dian)(dian)除塵(chen)(chen)(chen)(chen)器(qi)和與干(gan)式(shi)(shi)(shi)(shi)電(dian)(dian)除塵(chen)(chen)(chen)(chen)器(qi)的(de)收(shou)塵(chen)(chen)(chen)(chen)原理(li)相同，都是靠高壓電(dian)(dian)暈放(fang)電(dian)(dian)使得粉(fen)塵(chen)(chen)(chen)(chen)荷電(dian)(dian)，荷電(dian)(dian)后的(de)粉(fen)塵(chen)(chen)(chen)(chen)在電(dian)(dian)場(chang)力的(de)作用(yong)下到達集塵(chen)(chen)(chen)(chen)板(ban)/管。干(gan)式(shi)(shi)(shi)(shi)電(dian)(dian)收(shou)塵(chen)(chen)(chen)(chen)器(qi)主要處理(li)含水很低的(de)干(gan)氣體(ti)(ti)，濕式(shi)(shi)(shi)(shi)電(dian)(dian)除塵(chen)(chen)(chen)(chen)器(qi)主要處理(li)含水較高乃至飽和的(de)濕氣體(ti)(ti)。在對集塵(chen)(chen)(chen)(chen)板(ban)/管上捕集到的(de)粉(fen)塵(chen)(chen)(chen)(chen)清除方(fang)(fang)式(shi)(shi)(shi)(shi)上WESP與DESP有(you)較大區別，干(gan)式(shi)(shi)(shi)(shi)電(dian)(dian)除塵(chen)(chen)(chen)(chen)器(qi)一(yi)般采用(yong)機械振打或(huo)聲波清灰等方(fang)(fang)式(shi)(shi)(shi)(shi)清除電(dian)(dian)極(ji)上的(de)積灰，而濕式(shi)(shi)(shi)(shi)電(dian)(dian)除塵(chen)(chen)(chen)(chen)器(qi)則(ze)采用(yong)定(ding)期沖洗的(de)方(fang)(fang)式(shi)(shi)(shi)(shi)，使粉(fen)塵(chen)(chen)(chen)(chen)隨著沖刷液的(de)流動(dong)而清除。