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)除塵器(qi)主(zhu)要(yao)有兩種(zhong)(zhong)結構形式(shi)，一(yi)種(zhong)(zhong)是使用耐腐(fu)蝕(shi)導(dao)(dao)電(dian)材料(liao)(liao)（可以為導(dao)(dao)電(dian)性(xing)(xing)能(neng)優良的(de)的(de)非金(jin)屬(shu)材料(liao)(liao)或具有耐腐(fu)蝕(shi)特性(xing)(xing)的(de)金(jin)屬(shu)材料(liao)(liao)）做集塵極，另一(yi)種(zhong)(zhong)是用通過噴水或溢流水形成導(dao)(dao)電(dian)水膜，利用不導(dao)(dao)電(dian)的(de)非金(jin)屬(shu)材料(liao)(liao)做集塵極。

收塵(chen)原理

濕(shi)式(shi)(shi)電(dian)(dian)除(chu)(chu)塵(chen)(chen)(chen)(chen)器和與(yu)干(gan)式(shi)(shi)電(dian)(dian)除(chu)(chu)塵(chen)(chen)(chen)(chen)器的(de)(de)(de)收塵(chen)(chen)(chen)(chen)原理(li)相同，都是(shi)靠(kao)高壓電(dian)(dian)暈放電(dian)(dian)使得粉(fen)塵(chen)(chen)(chen)(chen)荷電(dian)(dian)，荷電(dian)(dian)后的(de)(de)(de)粉(fen)塵(chen)(chen)(chen)(chen)在(zai)電(dian)(dian)場力的(de)(de)(de)作用(yong)(yong)下(xia)到達集塵(chen)(chen)(chen)(chen)板/管。干(gan)式(shi)(shi)電(dian)(dian)收塵(chen)(chen)(chen)(chen)器主要處理(li)含(han)水(shui)很低的(de)(de)(de)干(gan)氣體，濕(shi)式(shi)(shi)電(dian)(dian)除(chu)(chu)塵(chen)(chen)(chen)(chen)器主要處理(li)含(han)水(shui)較(jiao)高乃至(zhi)飽和的(de)(de)(de)濕(shi)氣體。在(zai)對集塵(chen)(chen)(chen)(chen)板/管上(shang)捕集到的(de)(de)(de)粉(fen)塵(chen)(chen)(chen)(chen)清除(chu)(chu)方(fang)式(shi)(shi)上(shang)WESP與(yu)DESP有(you)較(jiao)大區別，干(gan)式(shi)(shi)電(dian)(dian)除(chu)(chu)塵(chen)(chen)(chen)(chen)器一般采用(yong)(yong)機械(xie)振(zhen)打或聲波清灰等方(fang)式(shi)(shi)清除(chu)(chu)電(dian)(dian)極(ji)上(shang)的(de)(de)(de)積灰，而濕(shi)式(shi)(shi)電(dian)(dian)除(chu)(chu)塵(chen)(chen)(chen)(chen)器則(ze)采用(yong)(yong)定期沖(chong)洗的(de)(de)(de)方(fang)式(shi)(shi)，使粉(fen)塵(chen)(chen)(chen)(chen)隨著(zhu)沖(chong)刷液的(de)(de)(de)流動而清除(chu)(chu)。