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)電除塵器主要有兩種結(jie)構形(xing)式(shi)，一種是(shi)使(shi)用耐腐(fu)蝕導(dao)電材(cai)料（可以為(wei)導(dao)電性能優良(liang)的的非(fei)金(jin)(jin)屬材(cai)料或具有耐腐(fu)蝕特性的金(jin)(jin)屬材(cai)料）做(zuo)集塵極(ji)，另一種是(shi)用通過噴水或溢流水形(xing)成導(dao)電水膜，利(li)用不導(dao)電的非(fei)金(jin)(jin)屬材(cai)料做(zuo)集塵極(ji)。

收塵原理

濕(shi)(shi)式(shi)(shi)電(dian)(dian)(dian)除(chu)塵(chen)(chen)(chen)(chen)器(qi)(qi)和與干(gan)式(shi)(shi)電(dian)(dian)(dian)除(chu)塵(chen)(chen)(chen)(chen)器(qi)(qi)的(de)(de)(de)收(shou)(shou)塵(chen)(chen)(chen)(chen)原理(li)相同，都是(shi)靠(kao)高(gao)壓電(dian)(dian)(dian)暈放電(dian)(dian)(dian)使得(de)粉塵(chen)(chen)(chen)(chen)荷(he)電(dian)(dian)(dian)，荷(he)電(dian)(dian)(dian)后(hou)的(de)(de)(de)粉塵(chen)(chen)(chen)(chen)在電(dian)(dian)(dian)場力的(de)(de)(de)作用下到達(da)集塵(chen)(chen)(chen)(chen)板(ban)/管。干(gan)式(shi)(shi)電(dian)(dian)(dian)收(shou)(shou)塵(chen)(chen)(chen)(chen)器(qi)(qi)主(zhu)要(yao)處理(li)含(han)水很低(di)的(de)(de)(de)干(gan)氣(qi)體，濕(shi)(shi)式(shi)(shi)電(dian)(dian)(dian)除(chu)塵(chen)(chen)(chen)(chen)器(qi)(qi)主(zhu)要(yao)處理(li)含(han)水較高(gao)乃(nai)至飽和的(de)(de)(de)濕(shi)(shi)氣(qi)體。在對集塵(chen)(chen)(chen)(chen)板(ban)/管上捕集到的(de)(de)(de)粉塵(chen)(chen)(chen)(chen)清(qing)(qing)(qing)除(chu)方(fang)式(shi)(shi)上WESP與DESP有較大區別，干(gan)式(shi)(shi)電(dian)(dian)(dian)除(chu)塵(chen)(chen)(chen)(chen)器(qi)(qi)一般采用機(ji)械(xie)振(zhen)打或聲波清(qing)(qing)(qing)灰等方(fang)式(shi)(shi)清(qing)(qing)(qing)除(chu)電(dian)(dian)(dian)極上的(de)(de)(de)積(ji)灰，而(er)濕(shi)(shi)式(shi)(shi)電(dian)(dian)(dian)除(chu)塵(chen)(chen)(chen)(chen)器(qi)(qi)則(ze)采用定期沖洗的(de)(de)(de)方(fang)式(shi)(shi)，使粉塵(chen)(chen)(chen)(chen)隨著沖刷液的(de)(de)(de)流動而(er)清(qing)(qing)(qing)除(chu)。