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)(dian)除(chu)塵(chen)器主要有兩種(zhong)結(jie)構(gou)形式(shi)，一種(zhong)是(shi)使用(yong)耐腐蝕(shi)導(dao)電(dian)(dian)材料(liao)（可以(yi)為(wei)導(dao)電(dian)(dian)性(xing)能優(you)良的(de)的(de)非金(jin)屬(shu)材料(liao)或具(ju)有耐腐蝕(shi)特性(xing)的(de)金(jin)屬(shu)材料(liao)）做(zuo)(zuo)集塵(chen)極，另一種(zhong)是(shi)用(yong)通過噴(pen)水(shui)或溢(yi)流(liu)水(shui)形成導(dao)電(dian)(dian)水(shui)膜(mo)，利用(yong)不(bu)導(dao)電(dian)(dian)的(de)非金(jin)屬(shu)材料(liao)做(zuo)(zuo)集塵(chen)極。

收塵(chen)原理(li)

濕(shi)式電(dian)(dian)除(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)器(qi)和與干(gan)(gan)式電(dian)(dian)除(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)器(qi)的(de)(de)收塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)原理(li)相同(tong)，都是靠高(gao)壓(ya)電(dian)(dian)暈放電(dian)(dian)使得粉塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)荷電(dian)(dian)，荷電(dian)(dian)后的(de)(de)粉塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)在(zai)(zai)電(dian)(dian)場力的(de)(de)作用下到達集塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)板/管。干(gan)(gan)式電(dian)(dian)收塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)器(qi)主要(yao)處理(li)含(han)水(shui)(shui)很低的(de)(de)干(gan)(gan)氣(qi)(qi)體(ti)，濕(shi)式電(dian)(dian)除(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)器(qi)主要(yao)處理(li)含(han)水(shui)(shui)較高(gao)乃至(zhi)飽和的(de)(de)濕(shi)氣(qi)(qi)體(ti)。在(zai)(zai)對集塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)板/管上(shang)(shang)捕(bu)集到的(de)(de)粉塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)清(qing)除(chu)(chu)方(fang)式上(shang)(shang)WESP與DESP有較大(da)區別，干(gan)(gan)式電(dian)(dian)除(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)器(qi)一(yi)般(ban)采用機(ji)械振打或聲波清(qing)灰等方(fang)式清(qing)除(chu)(chu)電(dian)(dian)極上(shang)(shang)的(de)(de)積(ji)灰，而濕(shi)式電(dian)(dian)除(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)器(qi)則采用定期沖洗(xi)的(de)(de)方(fang)式，使粉塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)隨著(zhu)沖刷液的(de)(de)流(liu)動而清(qing)除(chu)(chu)。