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(shi)電(dian)除(chu)塵器主要有兩(liang)種(zhong)結構形式(shi)，一種(zhong)是使用耐腐(fu)蝕導(dao)電(dian)材料（可以(yi)為(wei)導(dao)電(dian)性(xing)能優良的的非金屬材料或具有耐腐(fu)蝕特性(xing)的金屬材料）做集(ji)塵極，另一種(zhong)是用通(tong)過(guo)噴水(shui)或溢(yi)流水(shui)形成導(dao)電(dian)水(shui)膜，利(li)用不導(dao)電(dian)的非金屬材料做集(ji)塵極。

收(shou)塵(chen)原理

濕式(shi)(shi)電(dian)(dian)(dian)(dian)除(chu)(chu)塵(chen)(chen)(chen)(chen)器和與干式(shi)(shi)電(dian)(dian)(dian)(dian)除(chu)(chu)塵(chen)(chen)(chen)(chen)器的(de)收塵(chen)(chen)(chen)(chen)原理相同，都是靠高(gao)壓電(dian)(dian)(dian)(dian)暈放電(dian)(dian)(dian)(dian)使得粉塵(chen)(chen)(chen)(chen)荷電(dian)(dian)(dian)(dian)，荷電(dian)(dian)(dian)(dian)后的(de)粉塵(chen)(chen)(chen)(chen)在電(dian)(dian)(dian)(dian)場(chang)力的(de)作用下到達(da)集(ji)塵(chen)(chen)(chen)(chen)板/管(guan)。干式(shi)(shi)電(dian)(dian)(dian)(dian)收塵(chen)(chen)(chen)(chen)器主(zhu)(zhu)要處理含水很低的(de)干氣體(ti)，濕式(shi)(shi)電(dian)(dian)(dian)(dian)除(chu)(chu)塵(chen)(chen)(chen)(chen)器主(zhu)(zhu)要處理含水較高(gao)乃至飽和的(de)濕氣體(ti)。在對集(ji)塵(chen)(chen)(chen)(chen)板/管(guan)上捕(bu)集(ji)到的(de)粉塵(chen)(chen)(chen)(chen)清(qing)(qing)除(chu)(chu)方式(shi)(shi)上WESP與DESP有較大區(qu)別(bie)，干式(shi)(shi)電(dian)(dian)(dian)(dian)除(chu)(chu)塵(chen)(chen)(chen)(chen)器一般采(cai)用機械振打或聲(sheng)波清(qing)(qing)灰等方式(shi)(shi)清(qing)(qing)除(chu)(chu)電(dian)(dian)(dian)(dian)極上的(de)積(ji)灰，而(er)濕式(shi)(shi)電(dian)(dian)(dian)(dian)除(chu)(chu)塵(chen)(chen)(chen)(chen)器則采(cai)用定期沖洗的(de)方式(shi)(shi)，使粉塵(chen)(chen)(chen)(chen)隨(sui)著(zhu)沖刷(shua)液(ye)的(de)流動而(er)清(qing)(qing)除(chu)(chu)。