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(shi)電(dian)除塵器主要有兩種結構形(xing)式(shi)，一種是使用(yong)耐腐蝕導電(dian)材(cai)料（可以為(wei)導電(dian)性(xing)能優良的的非金(jin)屬材(cai)料或具有耐腐蝕特性(xing)的金(jin)屬材(cai)料）做(zuo)集塵極，另一種是用(yong)通過噴水或溢流水形(xing)成導電(dian)水膜，利(li)用(yong)不導電(dian)的非金(jin)屬材(cai)料做(zuo)集塵極。

收塵原理

濕(shi)式(shi)電(dian)(dian)除(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)器(qi)(qi)(qi)和與干式(shi)電(dian)(dian)除(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)器(qi)(qi)(qi)的(de)(de)收塵(chen)(chen)(chen)(chen)(chen)原理(li)(li)相同(tong)，都是靠高壓電(dian)(dian)暈放電(dian)(dian)使得粉塵(chen)(chen)(chen)(chen)(chen)荷電(dian)(dian)，荷電(dian)(dian)后(hou)的(de)(de)粉塵(chen)(chen)(chen)(chen)(chen)在(zai)(zai)電(dian)(dian)場(chang)力的(de)(de)作用(yong)下到達集塵(chen)(chen)(chen)(chen)(chen)板(ban)/管(guan)。干式(shi)電(dian)(dian)收塵(chen)(chen)(chen)(chen)(chen)器(qi)(qi)(qi)主要(yao)(yao)處理(li)(li)含(han)水很(hen)低的(de)(de)干氣體，濕(shi)式(shi)電(dian)(dian)除(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)器(qi)(qi)(qi)主要(yao)(yao)處理(li)(li)含(han)水較(jiao)高乃至飽和的(de)(de)濕(shi)氣體。在(zai)(zai)對(dui)集塵(chen)(chen)(chen)(chen)(chen)板(ban)/管(guan)上捕集到的(de)(de)粉塵(chen)(chen)(chen)(chen)(chen)清(qing)除(chu)(chu)方(fang)式(shi)上WESP與DESP有較(jiao)大(da)區別，干式(shi)電(dian)(dian)除(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)器(qi)(qi)(qi)一般采用(yong)機械振打或聲波清(qing)灰(hui)等方(fang)式(shi)清(qing)除(chu)(chu)電(dian)(dian)極(ji)上的(de)(de)積灰(hui)，而濕(shi)式(shi)電(dian)(dian)除(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)器(qi)(qi)(qi)則采用(yong)定期沖洗的(de)(de)方(fang)式(shi)，使粉塵(chen)(chen)(chen)(chen)(chen)隨著沖刷液的(de)(de)流(liu)動而清(qing)除(chu)(chu)。