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(dian)除塵(chen)(chen)器(qi)主要有(you)兩種結構形式，一(yi)種是使(shi)用(yong)耐腐(fu)蝕導(dao)電(dian)材(cai)(cai)料(liao)（可以為導(dao)電(dian)性能優良的(de)的(de)非金(jin)屬材(cai)(cai)料(liao)或具有(you)耐腐(fu)蝕特性的(de)金(jin)屬材(cai)(cai)料(liao)）做集塵(chen)(chen)極，另一(yi)種是用(yong)通過噴(pen)水或溢流水形成(cheng)導(dao)電(dian)水膜，利用(yong)不(bu)導(dao)電(dian)的(de)非金(jin)屬材(cai)(cai)料(liao)做集塵(chen)(chen)極。

收塵原理(li)

濕(shi)(shi)式(shi)電(dian)(dian)(dian)除(chu)塵(chen)(chen)器(qi)和(he)(he)與干式(shi)電(dian)(dian)(dian)除(chu)塵(chen)(chen)器(qi)的(de)(de)(de)(de)收塵(chen)(chen)原理(li)(li)相同(tong)，都是(shi)靠高壓(ya)電(dian)(dian)(dian)暈放電(dian)(dian)(dian)使得粉塵(chen)(chen)荷電(dian)(dian)(dian)，荷電(dian)(dian)(dian)后(hou)的(de)(de)(de)(de)粉塵(chen)(chen)在(zai)電(dian)(dian)(dian)場力的(de)(de)(de)(de)作用(yong)下(xia)到(dao)達(da)集(ji)(ji)塵(chen)(chen)板/管。干式(shi)電(dian)(dian)(dian)收塵(chen)(chen)器(qi)主(zhu)要處(chu)理(li)(li)含水(shui)很(hen)低的(de)(de)(de)(de)干氣體，濕(shi)(shi)式(shi)電(dian)(dian)(dian)除(chu)塵(chen)(chen)器(qi)主(zhu)要處(chu)理(li)(li)含水(shui)較(jiao)高乃至飽(bao)和(he)(he)的(de)(de)(de)(de)濕(shi)(shi)氣體。在(zai)對集(ji)(ji)塵(chen)(chen)板/管上(shang)捕集(ji)(ji)到(dao)的(de)(de)(de)(de)粉塵(chen)(chen)清(qing)除(chu)方(fang)式(shi)上(shang)WESP與DESP有(you)較(jiao)大區別，干式(shi)電(dian)(dian)(dian)除(chu)塵(chen)(chen)器(qi)一般采(cai)用(yong)機械(xie)振打或聲波清(qing)灰(hui)等方(fang)式(shi)清(qing)除(chu)電(dian)(dian)(dian)極(ji)上(shang)的(de)(de)(de)(de)積灰(hui)，而濕(shi)(shi)式(shi)電(dian)(dian)(dian)除(chu)塵(chen)(chen)器(qi)則(ze)采(cai)用(yong)定(ding)期沖洗的(de)(de)(de)(de)方(fang)式(shi)，使粉塵(chen)(chen)隨著沖刷(shua)液的(de)(de)(de)(de)流動(dong)而清(qing)除(chu)。