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(shi)式電(dian)(dian)(dian)除塵(chen)器主要有兩種結(jie)構形式，一(yi)種是使用耐腐(fu)蝕導(dao)電(dian)(dian)(dian)材(cai)(cai)料（可以為(wei)導(dao)電(dian)(dian)(dian)性(xing)(xing)能優良的(de)的(de)非金(jin)(jin)屬材(cai)(cai)料或具有耐腐(fu)蝕特性(xing)(xing)的(de)金(jin)(jin)屬材(cai)(cai)料）做集塵(chen)極(ji)，另一(yi)種是用通過噴水或溢流水形成導(dao)電(dian)(dian)(dian)水膜，利用不(bu)導(dao)電(dian)(dian)(dian)的(de)非金(jin)(jin)屬材(cai)(cai)料做集塵(chen)極(ji)。

收塵(chen)原理

濕式(shi)(shi)電(dian)(dian)(dian)(dian)除(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)器(qi)和(he)與干(gan)式(shi)(shi)電(dian)(dian)(dian)(dian)除(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)器(qi)的(de)(de)收塵(chen)(chen)(chen)(chen)(chen)原理相(xiang)同，都是靠高壓(ya)電(dian)(dian)(dian)(dian)暈放電(dian)(dian)(dian)(dian)使得粉(fen)塵(chen)(chen)(chen)(chen)(chen)荷電(dian)(dian)(dian)(dian)，荷電(dian)(dian)(dian)(dian)后的(de)(de)粉(fen)塵(chen)(chen)(chen)(chen)(chen)在電(dian)(dian)(dian)(dian)場力的(de)(de)作用下到(dao)(dao)達(da)集塵(chen)(chen)(chen)(chen)(chen)板(ban)(ban)/管。干(gan)式(shi)(shi)電(dian)(dian)(dian)(dian)收塵(chen)(chen)(chen)(chen)(chen)器(qi)主要處理含水很(hen)低的(de)(de)干(gan)氣體(ti)(ti)，濕式(shi)(shi)電(dian)(dian)(dian)(dian)除(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)器(qi)主要處理含水較高乃至(zhi)飽和(he)的(de)(de)濕氣體(ti)(ti)。在對集塵(chen)(chen)(chen)(chen)(chen)板(ban)(ban)/管上(shang)捕集到(dao)(dao)的(de)(de)粉(fen)塵(chen)(chen)(chen)(chen)(chen)清除(chu)(chu)方式(shi)(shi)上(shang)WESP與DESP有較大區別，干(gan)式(shi)(shi)電(dian)(dian)(dian)(dian)除(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)器(qi)一(yi)般采用機械振打或聲波清灰(hui)等(deng)方式(shi)(shi)清除(chu)(chu)電(dian)(dian)(dian)(dian)極上(shang)的(de)(de)積(ji)灰(hui)，而(er)濕式(shi)(shi)電(dian)(dian)(dian)(dian)除(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)器(qi)則(ze)采用定期沖洗的(de)(de)方式(shi)(shi)，使粉(fen)塵(chen)(chen)(chen)(chen)(chen)隨著沖刷液(ye)的(de)(de)流動而(er)清除(chu)(chu)。