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)除塵(chen)器主要有(you)兩種結構形式(shi)，一種是使用耐腐蝕導(dao)電(dian)材(cai)料（可以為導(dao)電(dian)性(xing)能優良的(de)(de)的(de)(de)非金(jin)屬材(cai)料或(huo)具有(you)耐腐蝕特性(xing)的(de)(de)金(jin)屬材(cai)料）做(zuo)集塵(chen)極，另一種是用通過(guo)噴水(shui)或(huo)溢流水(shui)形成導(dao)電(dian)水(shui)膜，利用不導(dao)電(dian)的(de)(de)非金(jin)屬材(cai)料做(zuo)集塵(chen)極。

收塵(chen)原理

濕(shi)式(shi)電(dian)(dian)除(chu)(chu)塵(chen)(chen)(chen)(chen)器(qi)(qi)(qi)(qi)和(he)與(yu)干(gan)式(shi)電(dian)(dian)除(chu)(chu)塵(chen)(chen)(chen)(chen)器(qi)(qi)(qi)(qi)的收塵(chen)(chen)(chen)(chen)原理(li)相同，都(dou)是靠高壓電(dian)(dian)暈放(fang)電(dian)(dian)使(shi)得粉(fen)塵(chen)(chen)(chen)(chen)荷(he)電(dian)(dian)，荷(he)電(dian)(dian)后的粉(fen)塵(chen)(chen)(chen)(chen)在電(dian)(dian)場力的作用下到(dao)達集塵(chen)(chen)(chen)(chen)板/管。干(gan)式(shi)電(dian)(dian)收塵(chen)(chen)(chen)(chen)器(qi)(qi)(qi)(qi)主(zhu)要處(chu)理(li)含(han)水很(hen)低的干(gan)氣(qi)體，濕(shi)式(shi)電(dian)(dian)除(chu)(chu)塵(chen)(chen)(chen)(chen)器(qi)(qi)(qi)(qi)主(zhu)要處(chu)理(li)含(han)水較高乃至飽和(he)的濕(shi)氣(qi)體。在對集塵(chen)(chen)(chen)(chen)板/管上(shang)捕集到(dao)的粉(fen)塵(chen)(chen)(chen)(chen)清除(chu)(chu)方(fang)式(shi)上(shang)WESP與(yu)DESP有(you)較大區別(bie)，干(gan)式(shi)電(dian)(dian)除(chu)(chu)塵(chen)(chen)(chen)(chen)器(qi)(qi)(qi)(qi)一般采(cai)用機械(xie)振(zhen)打或聲波清灰(hui)等方(fang)式(shi)清除(chu)(chu)電(dian)(dian)極上(shang)的積灰(hui)，而(er)濕(shi)式(shi)電(dian)(dian)除(chu)(chu)塵(chen)(chen)(chen)(chen)器(qi)(qi)(qi)(qi)則采(cai)用定期(qi)沖(chong)洗的方(fang)式(shi)，使(shi)粉(fen)塵(chen)(chen)(chen)(chen)隨著沖(chong)刷(shua)液的流動而(er)清除(chu)(chu)。