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)除塵器主要有(you)兩種結構形式(shi)，一種是使(shi)用(yong)耐腐蝕(shi)導(dao)電(dian)(dian)材料(liao)（可(ke)以為導(dao)電(dian)(dian)性(xing)能優良的(de)的(de)非金(jin)屬材料(liao)或(huo)具有(you)耐腐蝕(shi)特性(xing)的(de)金(jin)屬材料(liao)）做集(ji)塵極，另一種是用(yong)通(tong)過噴水或(huo)溢流水形成導(dao)電(dian)(dian)水膜，利(li)用(yong)不導(dao)電(dian)(dian)的(de)非金(jin)屬材料(liao)做集(ji)塵極。

收塵原理

濕(shi)式(shi)(shi)電(dian)(dian)(dian)除(chu)塵(chen)(chen)(chen)器和(he)與(yu)(yu)干(gan)式(shi)(shi)電(dian)(dian)(dian)除(chu)塵(chen)(chen)(chen)器的(de)(de)(de)收(shou)塵(chen)(chen)(chen)原(yuan)理相(xiang)同，都是靠高(gao)壓電(dian)(dian)(dian)暈(yun)放電(dian)(dian)(dian)使得粉塵(chen)(chen)(chen)荷電(dian)(dian)(dian)，荷電(dian)(dian)(dian)后的(de)(de)(de)粉塵(chen)(chen)(chen)在電(dian)(dian)(dian)場力的(de)(de)(de)作用下到達集塵(chen)(chen)(chen)板/管。干(gan)式(shi)(shi)電(dian)(dian)(dian)收(shou)塵(chen)(chen)(chen)器主要處理含水很低的(de)(de)(de)干(gan)氣體，濕(shi)式(shi)(shi)電(dian)(dian)(dian)除(chu)塵(chen)(chen)(chen)器主要處理含水較(jiao)高(gao)乃至飽和(he)的(de)(de)(de)濕(shi)氣體。在對集塵(chen)(chen)(chen)板/管上(shang)捕集到的(de)(de)(de)粉塵(chen)(chen)(chen)清(qing)(qing)除(chu)方(fang)式(shi)(shi)上(shang)WESP與(yu)(yu)DESP有較(jiao)大區別，干(gan)式(shi)(shi)電(dian)(dian)(dian)除(chu)塵(chen)(chen)(chen)器一(yi)般采用機(ji)械(xie)振(zhen)打或(huo)聲波清(qing)(qing)灰(hui)等方(fang)式(shi)(shi)清(qing)(qing)除(chu)電(dian)(dian)(dian)極上(shang)的(de)(de)(de)積灰(hui)，而濕(shi)式(shi)(shi)電(dian)(dian)(dian)除(chu)塵(chen)(chen)(chen)器則(ze)采用定期(qi)沖洗的(de)(de)(de)方(fang)式(shi)(shi)，使粉塵(chen)(chen)(chen)隨著沖刷液(ye)的(de)(de)(de)流動而清(qing)(qing)除(chu)。