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。

濕式電除塵器主要有(you)兩種結構形式，一種是(shi)使用(yong)耐腐蝕導電材(cai)料(liao)（可以(yi)為導電性能優良(liang)的的非金(jin)(jin)屬材(cai)料(liao)或具有(you)耐腐蝕特性的金(jin)(jin)屬材(cai)料(liao)）做集塵極，另一種是(shi)用(yong)通過(guo)噴(pen)水或溢流水形成導電水膜，利用(yong)不(bu)導電的非金(jin)(jin)屬材(cai)料(liao)做集塵極。

收(shou)塵原理

濕(shi)式(shi)(shi)電(dian)(dian)(dian)(dian)除(chu)(chu)塵(chen)(chen)器(qi)(qi)和與(yu)干式(shi)(shi)電(dian)(dian)(dian)(dian)除(chu)(chu)塵(chen)(chen)器(qi)(qi)的(de)收塵(chen)(chen)原理(li)(li)相同，都是靠高(gao)壓電(dian)(dian)(dian)(dian)暈放電(dian)(dian)(dian)(dian)使得(de)粉塵(chen)(chen)荷電(dian)(dian)(dian)(dian)，荷電(dian)(dian)(dian)(dian)后(hou)的(de)粉塵(chen)(chen)在(zai)電(dian)(dian)(dian)(dian)場力的(de)作用(yong)下到達(da)集(ji)塵(chen)(chen)板/管(guan)。干式(shi)(shi)電(dian)(dian)(dian)(dian)收塵(chen)(chen)器(qi)(qi)主要處(chu)理(li)(li)含水很低的(de)干氣體，濕(shi)式(shi)(shi)電(dian)(dian)(dian)(dian)除(chu)(chu)塵(chen)(chen)器(qi)(qi)主要處(chu)理(li)(li)含水較高(gao)乃(nai)至(zhi)飽和的(de)濕(shi)氣體。在(zai)對(dui)集(ji)塵(chen)(chen)板/管(guan)上(shang)捕集(ji)到的(de)粉塵(chen)(chen)清除(chu)(chu)方式(shi)(shi)上(shang)WESP與(yu)DESP有較大區別，干式(shi)(shi)電(dian)(dian)(dian)(dian)除(chu)(chu)塵(chen)(chen)器(qi)(qi)一般(ban)采用(yong)機械(xie)振(zhen)打或聲(sheng)波清灰等方式(shi)(shi)清除(chu)(chu)電(dian)(dian)(dian)(dian)極上(shang)的(de)積灰，而濕(shi)式(shi)(shi)電(dian)(dian)(dian)(dian)除(chu)(chu)塵(chen)(chen)器(qi)(qi)則(ze)采用(yong)定期沖(chong)洗的(de)方式(shi)(shi)，使粉塵(chen)(chen)隨著沖(chong)刷液(ye)的(de)流動而清除(chu)(chu)。