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)除塵(chen)(chen)器主(zhu)要(yao)有兩種(zhong)結(jie)構形式，一種(zhong)是使用(yong)(yong)耐(nai)腐(fu)蝕(shi)導(dao)電(dian)材料(liao)（可以為(wei)導(dao)電(dian)性能(neng)優良的(de)的(de)非金(jin)(jin)屬(shu)材料(liao)或具(ju)有耐(nai)腐(fu)蝕(shi)特性的(de)金(jin)(jin)屬(shu)材料(liao)）做(zuo)集(ji)塵(chen)(chen)極(ji)，另一種(zhong)是用(yong)(yong)通過噴水或溢流(liu)水形成導(dao)電(dian)水膜(mo)，利(li)用(yong)(yong)不導(dao)電(dian)的(de)非金(jin)(jin)屬(shu)材料(liao)做(zuo)集(ji)塵(chen)(chen)極(ji)。

收塵原理

濕(shi)(shi)式電(dian)(dian)(dian)除(chu)(chu)塵(chen)(chen)(chen)(chen)器和(he)(he)與干(gan)式電(dian)(dian)(dian)除(chu)(chu)塵(chen)(chen)(chen)(chen)器的收塵(chen)(chen)(chen)(chen)原理(li)相同，都是靠高(gao)壓電(dian)(dian)(dian)暈放電(dian)(dian)(dian)使得粉塵(chen)(chen)(chen)(chen)荷電(dian)(dian)(dian)，荷電(dian)(dian)(dian)后的粉塵(chen)(chen)(chen)(chen)在(zai)電(dian)(dian)(dian)場力的作用(yong)下到達集塵(chen)(chen)(chen)(chen)板(ban)/管。干(gan)式電(dian)(dian)(dian)收塵(chen)(chen)(chen)(chen)器主要處理(li)含(han)(han)水(shui)很低(di)的干(gan)氣體，濕(shi)(shi)式電(dian)(dian)(dian)除(chu)(chu)塵(chen)(chen)(chen)(chen)器主要處理(li)含(han)(han)水(shui)較高(gao)乃(nai)至飽和(he)(he)的濕(shi)(shi)氣體。在(zai)對集塵(chen)(chen)(chen)(chen)板(ban)/管上捕集到的粉塵(chen)(chen)(chen)(chen)清除(chu)(chu)方式上WESP與DESP有較大區(qu)別，干(gan)式電(dian)(dian)(dian)除(chu)(chu)塵(chen)(chen)(chen)(chen)器一般采(cai)用(yong)機械振打或聲波清灰等方式清除(chu)(chu)電(dian)(dian)(dian)極上的積(ji)灰，而濕(shi)(shi)式電(dian)(dian)(dian)除(chu)(chu)塵(chen)(chen)(chen)(chen)器則采(cai)用(yong)定期沖(chong)洗的方式，使粉塵(chen)(chen)(chen)(chen)隨著沖(chong)刷液的流(liu)動而清除(chu)(chu)。