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。

濕式電(dian)除塵器主要有兩種結構形式，一(yi)種是使(shi)用(yong)耐腐蝕導(dao)電(dian)材料（可以為導(dao)電(dian)性能優良的(de)(de)的(de)(de)非(fei)金(jin)屬(shu)材料或具有耐腐蝕特性的(de)(de)金(jin)屬(shu)材料）做集塵極(ji)，另(ling)一(yi)種是用(yong)通(tong)過噴水(shui)或溢(yi)流水(shui)形成(cheng)導(dao)電(dian)水(shui)膜(mo)，利用(yong)不導(dao)電(dian)的(de)(de)非(fei)金(jin)屬(shu)材料做集塵極(ji)。

收塵原理

濕式(shi)(shi)(shi)電(dian)(dian)(dian)(dian)除(chu)(chu)塵(chen)(chen)器和(he)與(yu)干式(shi)(shi)(shi)電(dian)(dian)(dian)(dian)除(chu)(chu)塵(chen)(chen)器的(de)(de)收塵(chen)(chen)原理相(xiang)同，都是靠高(gao)壓電(dian)(dian)(dian)(dian)暈放電(dian)(dian)(dian)(dian)使得粉(fen)塵(chen)(chen)荷電(dian)(dian)(dian)(dian)，荷電(dian)(dian)(dian)(dian)后(hou)的(de)(de)粉(fen)塵(chen)(chen)在電(dian)(dian)(dian)(dian)場(chang)力(li)的(de)(de)作用(yong)下到達集塵(chen)(chen)板/管。干式(shi)(shi)(shi)電(dian)(dian)(dian)(dian)收塵(chen)(chen)器主(zhu)要處(chu)理含(han)水很(hen)低的(de)(de)干氣(qi)體(ti)，濕式(shi)(shi)(shi)電(dian)(dian)(dian)(dian)除(chu)(chu)塵(chen)(chen)器主(zhu)要處(chu)理含(han)水較高(gao)乃至飽和(he)的(de)(de)濕氣(qi)體(ti)。在對集塵(chen)(chen)板/管上捕集到的(de)(de)粉(fen)塵(chen)(chen)清(qing)除(chu)(chu)方式(shi)(shi)(shi)上WESP與(yu)DESP有(you)較大區別，干式(shi)(shi)(shi)電(dian)(dian)(dian)(dian)除(chu)(chu)塵(chen)(chen)器一(yi)般采用(yong)機械振打(da)或聲波清(qing)灰(hui)等(deng)方式(shi)(shi)(shi)清(qing)除(chu)(chu)電(dian)(dian)(dian)(dian)極上的(de)(de)積灰(hui)，而(er)濕式(shi)(shi)(shi)電(dian)(dian)(dian)(dian)除(chu)(chu)塵(chen)(chen)器則采用(yong)定期沖(chong)洗的(de)(de)方式(shi)(shi)(shi)，使粉(fen)塵(chen)(chen)隨著(zhu)沖(chong)刷液的(de)(de)流動而(er)清(qing)除(chu)(chu)。