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)除塵(chen)器主要有兩種結構(gou)形(xing)式(shi)，一種是(shi)使(shi)用耐腐(fu)蝕(shi)導(dao)(dao)電(dian)材料（可以為導(dao)(dao)電(dian)性能優(you)良的的非金屬材料或(huo)具有耐腐(fu)蝕(shi)特性的金屬材料）做集塵(chen)極，另(ling)一種是(shi)用通過(guo)噴水(shui)(shui)或(huo)溢(yi)流(liu)水(shui)(shui)形(xing)成導(dao)(dao)電(dian)水(shui)(shui)膜，利用不導(dao)(dao)電(dian)的非金屬材料做集塵(chen)極。

收塵(chen)原理

濕(shi)式(shi)(shi)(shi)電(dian)(dian)除(chu)(chu)塵(chen)(chen)(chen)(chen)器(qi)(qi)和與干(gan)式(shi)(shi)(shi)電(dian)(dian)除(chu)(chu)塵(chen)(chen)(chen)(chen)器(qi)(qi)的(de)收塵(chen)(chen)(chen)(chen)原理(li)(li)相(xiang)同(tong)，都是靠高壓電(dian)(dian)暈放電(dian)(dian)使得(de)粉塵(chen)(chen)(chen)(chen)荷電(dian)(dian)，荷電(dian)(dian)后的(de)粉塵(chen)(chen)(chen)(chen)在電(dian)(dian)場力的(de)作用下到(dao)達集塵(chen)(chen)(chen)(chen)板/管(guan)。干(gan)式(shi)(shi)(shi)電(dian)(dian)收塵(chen)(chen)(chen)(chen)器(qi)(qi)主(zhu)要處(chu)理(li)(li)含水很(hen)低(di)的(de)干(gan)氣體(ti)，濕(shi)式(shi)(shi)(shi)電(dian)(dian)除(chu)(chu)塵(chen)(chen)(chen)(chen)器(qi)(qi)主(zhu)要處(chu)理(li)(li)含水較高乃至飽和的(de)濕(shi)氣體(ti)。在對集塵(chen)(chen)(chen)(chen)板/管(guan)上捕集到(dao)的(de)粉塵(chen)(chen)(chen)(chen)清(qing)(qing)除(chu)(chu)方式(shi)(shi)(shi)上WESP與DESP有(you)較大區別(bie)，干(gan)式(shi)(shi)(shi)電(dian)(dian)除(chu)(chu)塵(chen)(chen)(chen)(chen)器(qi)(qi)一般(ban)采(cai)用機械振打(da)或聲波清(qing)(qing)灰(hui)等方式(shi)(shi)(shi)清(qing)(qing)除(chu)(chu)電(dian)(dian)極(ji)上的(de)積灰(hui)，而濕(shi)式(shi)(shi)(shi)電(dian)(dian)除(chu)(chu)塵(chen)(chen)(chen)(chen)器(qi)(qi)則采(cai)用定期(qi)沖(chong)洗的(de)方式(shi)(shi)(shi)，使粉塵(chen)(chen)(chen)(chen)隨著沖(chong)刷液(ye)的(de)流動而清(qing)(qing)除(chu)(chu)。