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)式電(dian)除(chu)塵器主(zhu)要有兩種(zhong)(zhong)結構形式，一種(zhong)(zhong)是(shi)使用耐(nai)腐蝕(shi)導電(dian)材料（可以為導電(dian)性能優良(liang)的(de)的(de)非金(jin)屬材料或具有耐(nai)腐蝕(shi)特性的(de)金(jin)屬材料）做(zuo)集(ji)(ji)塵極(ji)，另一種(zhong)(zhong)是(shi)用通過噴水或溢流水形成導電(dian)水膜，利用不導電(dian)的(de)非金(jin)屬材料做(zuo)集(ji)(ji)塵極(ji)。

收塵原理

濕(shi)式(shi)(shi)(shi)電(dian)(dian)(dian)(dian)除(chu)(chu)塵(chen)(chen)器(qi)(qi)和與(yu)干(gan)(gan)式(shi)(shi)(shi)電(dian)(dian)(dian)(dian)除(chu)(chu)塵(chen)(chen)器(qi)(qi)的(de)(de)收(shou)塵(chen)(chen)原理(li)相(xiang)同，都是靠(kao)高壓電(dian)(dian)(dian)(dian)暈(yun)放電(dian)(dian)(dian)(dian)使得粉(fen)(fen)(fen)塵(chen)(chen)荷電(dian)(dian)(dian)(dian)，荷電(dian)(dian)(dian)(dian)后的(de)(de)粉(fen)(fen)(fen)塵(chen)(chen)在電(dian)(dian)(dian)(dian)場力的(de)(de)作(zuo)用下(xia)到達(da)集塵(chen)(chen)板(ban)/管(guan)。干(gan)(gan)式(shi)(shi)(shi)電(dian)(dian)(dian)(dian)收(shou)塵(chen)(chen)器(qi)(qi)主要處理(li)含(han)水很低的(de)(de)干(gan)(gan)氣體，濕(shi)式(shi)(shi)(shi)電(dian)(dian)(dian)(dian)除(chu)(chu)塵(chen)(chen)器(qi)(qi)主要處理(li)含(han)水較(jiao)高乃至飽(bao)和的(de)(de)濕(shi)氣體。在對(dui)集塵(chen)(chen)板(ban)/管(guan)上(shang)捕(bu)集到的(de)(de)粉(fen)(fen)(fen)塵(chen)(chen)清除(chu)(chu)方(fang)式(shi)(shi)(shi)上(shang)WESP與(yu)DESP有較(jiao)大區別，干(gan)(gan)式(shi)(shi)(shi)電(dian)(dian)(dian)(dian)除(chu)(chu)塵(chen)(chen)器(qi)(qi)一般采用機(ji)械振(zhen)打或聲波清灰(hui)等(deng)方(fang)式(shi)(shi)(shi)清除(chu)(chu)電(dian)(dian)(dian)(dian)極(ji)上(shang)的(de)(de)積灰(hui)，而濕(shi)式(shi)(shi)(shi)電(dian)(dian)(dian)(dian)除(chu)(chu)塵(chen)(chen)器(qi)(qi)則采用定(ding)期沖洗的(de)(de)方(fang)式(shi)(shi)(shi)，使粉(fen)(fen)(fen)塵(chen)(chen)隨著沖刷液(ye)的(de)(de)流動而清除(chu)(chu)。