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)除(chu)塵器主要有兩種(zhong)(zhong)結構(gou)形式(shi)，一種(zhong)(zhong)是使用耐腐蝕(shi)導(dao)電(dian)材(cai)料(liao)（可以為導(dao)電(dian)性(xing)(xing)能(neng)優良的(de)的(de)非(fei)金屬材(cai)料(liao)或具有耐腐蝕(shi)特性(xing)(xing)的(de)金屬材(cai)料(liao)）做(zuo)集塵極，另(ling)一種(zhong)(zhong)是用通過噴水或溢流水形成導(dao)電(dian)水膜，利用不導(dao)電(dian)的(de)非(fei)金屬材(cai)料(liao)做(zuo)集塵極。

收塵原理

濕(shi)式(shi)(shi)(shi)電(dian)(dian)(dian)除(chu)塵(chen)(chen)(chen)(chen)器和(he)與干(gan)(gan)式(shi)(shi)(shi)電(dian)(dian)(dian)除(chu)塵(chen)(chen)(chen)(chen)器的(de)(de)(de)收(shou)塵(chen)(chen)(chen)(chen)原理(li)相同，都是靠(kao)高(gao)壓電(dian)(dian)(dian)暈放電(dian)(dian)(dian)使得粉(fen)塵(chen)(chen)(chen)(chen)荷(he)電(dian)(dian)(dian)，荷(he)電(dian)(dian)(dian)后的(de)(de)(de)粉(fen)塵(chen)(chen)(chen)(chen)在電(dian)(dian)(dian)場(chang)力的(de)(de)(de)作用(yong)下到達集塵(chen)(chen)(chen)(chen)板(ban)/管。干(gan)(gan)式(shi)(shi)(shi)電(dian)(dian)(dian)收(shou)塵(chen)(chen)(chen)(chen)器主要處理(li)含水很低的(de)(de)(de)干(gan)(gan)氣體，濕(shi)式(shi)(shi)(shi)電(dian)(dian)(dian)除(chu)塵(chen)(chen)(chen)(chen)器主要處理(li)含水較高(gao)乃至飽和(he)的(de)(de)(de)濕(shi)氣體。在對集塵(chen)(chen)(chen)(chen)板(ban)/管上(shang)(shang)捕集到的(de)(de)(de)粉(fen)塵(chen)(chen)(chen)(chen)清(qing)(qing)除(chu)方(fang)式(shi)(shi)(shi)上(shang)(shang)WESP與DESP有(you)較大區別(bie)，干(gan)(gan)式(shi)(shi)(shi)電(dian)(dian)(dian)除(chu)塵(chen)(chen)(chen)(chen)器一般采用(yong)機(ji)械振打或(huo)聲波(bo)清(qing)(qing)灰等方(fang)式(shi)(shi)(shi)清(qing)(qing)除(chu)電(dian)(dian)(dian)極上(shang)(shang)的(de)(de)(de)積(ji)灰，而(er)濕(shi)式(shi)(shi)(shi)電(dian)(dian)(dian)除(chu)塵(chen)(chen)(chen)(chen)器則采用(yong)定(ding)期沖(chong)洗的(de)(de)(de)方(fang)式(shi)(shi)(shi)，使粉(fen)塵(chen)(chen)(chen)(chen)隨著(zhu)沖(chong)刷液的(de)(de)(de)流動(dong)而(er)清(qing)(qing)除(chu)。