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)(dian)除(chu)塵(chen)(chen)(chen)器(qi)主要(yao)有兩種結構形(xing)(xing)式，一種是(shi)使(shi)用耐腐(fu)(fu)蝕導電(dian)(dian)材料(liao)（可以為導電(dian)(dian)性能優良的(de)的(de)非金屬材料(liao)或(huo)具有耐腐(fu)(fu)蝕特性的(de)金屬材料(liao)）做集(ji)塵(chen)(chen)(chen)極(ji)，另一種是(shi)用通過(guo)噴水或(huo)溢(yi)流水形(xing)(xing)成導電(dian)(dian)水膜，利用不導電(dian)(dian)的(de)非金屬材料(liao)做集(ji)塵(chen)(chen)(chen)極(ji)。

收塵原理

濕式(shi)(shi)電(dian)(dian)(dian)(dian)(dian)除(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)器(qi)(qi)和與干(gan)式(shi)(shi)電(dian)(dian)(dian)(dian)(dian)除(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)器(qi)(qi)的(de)(de)(de)收塵(chen)(chen)(chen)原理(li)相(xiang)同，都(dou)是靠(kao)高壓電(dian)(dian)(dian)(dian)(dian)暈放電(dian)(dian)(dian)(dian)(dian)使得粉(fen)塵(chen)(chen)(chen)荷電(dian)(dian)(dian)(dian)(dian)，荷電(dian)(dian)(dian)(dian)(dian)后(hou)的(de)(de)(de)粉(fen)塵(chen)(chen)(chen)在電(dian)(dian)(dian)(dian)(dian)場力的(de)(de)(de)作用(yong)下到達(da)集塵(chen)(chen)(chen)板/管。干(gan)式(shi)(shi)電(dian)(dian)(dian)(dian)(dian)收塵(chen)(chen)(chen)器(qi)(qi)主(zhu)要(yao)處理(li)含水很低的(de)(de)(de)干(gan)氣(qi)體，濕式(shi)(shi)電(dian)(dian)(dian)(dian)(dian)除(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)器(qi)(qi)主(zhu)要(yao)處理(li)含水較高乃至飽和的(de)(de)(de)濕氣(qi)體。在對集塵(chen)(chen)(chen)板/管上(shang)捕集到的(de)(de)(de)粉(fen)塵(chen)(chen)(chen)清除(chu)(chu)(chu)(chu)方(fang)式(shi)(shi)上(shang)WESP與DESP有較大區別，干(gan)式(shi)(shi)電(dian)(dian)(dian)(dian)(dian)除(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)器(qi)(qi)一(yi)般采用(yong)機械振(zhen)打或聲波(bo)清灰等方(fang)式(shi)(shi)清除(chu)(chu)(chu)(chu)電(dian)(dian)(dian)(dian)(dian)極上(shang)的(de)(de)(de)積灰，而濕式(shi)(shi)電(dian)(dian)(dian)(dian)(dian)除(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)器(qi)(qi)則采用(yong)定期沖(chong)洗的(de)(de)(de)方(fang)式(shi)(shi)，使粉(fen)塵(chen)(chen)(chen)隨著沖(chong)刷液的(de)(de)(de)流動(dong)而清除(chu)(chu)(chu)(chu)。