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)(dian)除塵器主要有(you)兩種結構形(xing)(xing)式，一種是(shi)使(shi)用(yong)耐(nai)腐蝕導(dao)(dao)電(dian)(dian)材料(liao)(liao)（可以為(wei)導(dao)(dao)電(dian)(dian)性能優良的(de)的(de)非金(jin)(jin)屬材料(liao)(liao)或(huo)具有(you)耐(nai)腐蝕特性的(de)金(jin)(jin)屬材料(liao)(liao)）做集塵極(ji)，另一種是(shi)用(yong)通過噴水或(huo)溢流水形(xing)(xing)成導(dao)(dao)電(dian)(dian)水膜，利用(yong)不導(dao)(dao)電(dian)(dian)的(de)非金(jin)(jin)屬材料(liao)(liao)做集塵極(ji)。

收(shou)塵原理(li)

濕式(shi)(shi)(shi)電(dian)(dian)除(chu)(chu)(chu)塵(chen)(chen)(chen)器(qi)和與(yu)干式(shi)(shi)(shi)電(dian)(dian)除(chu)(chu)(chu)塵(chen)(chen)(chen)器(qi)的(de)收塵(chen)(chen)(chen)原(yuan)理(li)相同，都是靠(kao)高壓(ya)電(dian)(dian)暈放電(dian)(dian)使得粉塵(chen)(chen)(chen)荷電(dian)(dian)，荷電(dian)(dian)后(hou)的(de)粉塵(chen)(chen)(chen)在電(dian)(dian)場(chang)力的(de)作用下(xia)到(dao)達集(ji)塵(chen)(chen)(chen)板/管。干式(shi)(shi)(shi)電(dian)(dian)收塵(chen)(chen)(chen)器(qi)主(zhu)要處(chu)理(li)含水(shui)很(hen)低的(de)干氣(qi)體，濕式(shi)(shi)(shi)電(dian)(dian)除(chu)(chu)(chu)塵(chen)(chen)(chen)器(qi)主(zhu)要處(chu)理(li)含水(shui)較高乃至飽和的(de)濕氣(qi)體。在對集(ji)塵(chen)(chen)(chen)板/管上(shang)(shang)捕集(ji)到(dao)的(de)粉塵(chen)(chen)(chen)清(qing)除(chu)(chu)(chu)方式(shi)(shi)(shi)上(shang)(shang)WESP與(yu)DESP有較大(da)區別，干式(shi)(shi)(shi)電(dian)(dian)除(chu)(chu)(chu)塵(chen)(chen)(chen)器(qi)一般(ban)采用機械(xie)振打(da)或聲波(bo)清(qing)灰等(deng)方式(shi)(shi)(shi)清(qing)除(chu)(chu)(chu)電(dian)(dian)極上(shang)(shang)的(de)積灰，而濕式(shi)(shi)(shi)電(dian)(dian)除(chu)(chu)(chu)塵(chen)(chen)(chen)器(qi)則采用定期沖洗的(de)方式(shi)(shi)(shi)，使粉塵(chen)(chen)(chen)隨著沖刷(shua)液的(de)流動(dong)而清(qing)除(chu)(chu)(chu)。