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。

濕式電除塵(chen)器主要有兩種(zhong)結構形式，一(yi)種(zhong)是使用(yong)耐腐(fu)蝕(shi)導電材(cai)料(liao)(liao)(liao)（可以為(wei)導電性能優良的(de)的(de)非金屬(shu)材(cai)料(liao)(liao)(liao)或具有耐腐(fu)蝕(shi)特(te)性的(de)金屬(shu)材(cai)料(liao)(liao)(liao)）做集塵(chen)極，另一(yi)種(zhong)是用(yong)通過(guo)噴水(shui)(shui)或溢流水(shui)(shui)形成導電水(shui)(shui)膜，利(li)用(yong)不導電的(de)非金屬(shu)材(cai)料(liao)(liao)(liao)做集塵(chen)極。

收(shou)塵原(yuan)理

濕(shi)式(shi)(shi)電(dian)(dian)(dian)(dian)除(chu)塵(chen)(chen)(chen)器(qi)和(he)與干(gan)式(shi)(shi)電(dian)(dian)(dian)(dian)除(chu)塵(chen)(chen)(chen)器(qi)的(de)(de)收塵(chen)(chen)(chen)原理(li)相同，都是靠高壓電(dian)(dian)(dian)(dian)暈放電(dian)(dian)(dian)(dian)使(shi)得粉(fen)塵(chen)(chen)(chen)荷電(dian)(dian)(dian)(dian)，荷電(dian)(dian)(dian)(dian)后(hou)的(de)(de)粉(fen)塵(chen)(chen)(chen)在電(dian)(dian)(dian)(dian)場力(li)的(de)(de)作(zuo)用(yong)下到達集塵(chen)(chen)(chen)板/管。干(gan)式(shi)(shi)電(dian)(dian)(dian)(dian)收塵(chen)(chen)(chen)器(qi)主(zhu)要處理(li)含水(shui)(shui)很低的(de)(de)干(gan)氣體(ti)，濕(shi)式(shi)(shi)電(dian)(dian)(dian)(dian)除(chu)塵(chen)(chen)(chen)器(qi)主(zhu)要處理(li)含水(shui)(shui)較高乃(nai)至(zhi)飽和(he)的(de)(de)濕(shi)氣體(ti)。在對集塵(chen)(chen)(chen)板/管上捕(bu)集到的(de)(de)粉(fen)塵(chen)(chen)(chen)清(qing)除(chu)方(fang)(fang)式(shi)(shi)上WESP與DESP有較大(da)區(qu)別，干(gan)式(shi)(shi)電(dian)(dian)(dian)(dian)除(chu)塵(chen)(chen)(chen)器(qi)一(yi)般采(cai)用(yong)機械振(zhen)打或聲波清(qing)灰等方(fang)(fang)式(shi)(shi)清(qing)除(chu)電(dian)(dian)(dian)(dian)極上的(de)(de)積灰，而(er)濕(shi)式(shi)(shi)電(dian)(dian)(dian)(dian)除(chu)塵(chen)(chen)(chen)器(qi)則采(cai)用(yong)定(ding)期(qi)沖洗的(de)(de)方(fang)(fang)式(shi)(shi)，使(shi)粉(fen)塵(chen)(chen)(chen)隨著沖刷液的(de)(de)流動而(er)清(qing)除(chu)。