只是濕(shi)(shi)式靜(jing)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)除塵(chen)(chen)(chen)脫除的(de)(de)(de)(de)對(dui)象由(you)(you)粉(fen)塵(chen)(chen)(chen)和霧滴(di)(di)，但是由(you)(you)于(yu)(yu)(yu)霧滴(di)(di)與粉(fen)塵(chen)(chen)(chen)的(de)(de)(de)(de)物理特性存(cun)在(zai)差別，其(qi)(qi)工作(zuo)(zuo)原理也有所差異(yi)。從原理上來講，首先由(you)(you)于(yu)(yu)(yu)水(shui)(shui)滴(di)(di)的(de)(de)(de)(de)存(cun)在(zai)對(dui)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)極(ji)放電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)產(chan)生(sheng)了影(ying)響(xiang)，要形成(cheng)發(fa)射(she)離子(zi)(zi)(zi)，金屬(shu)(shu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)極(ji)中的(de)(de)(de)(de)自(zi)由(you)(you)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)子(zi)(zi)(zi)獲(huo)得足夠的(de)(de)(de)(de)能(neng)量(liang)，才能(neng)克服(fu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)離能(neng)而越(yue)過表(biao)(biao)面(mian)(mian)勢(shi)(shi)壘(lei)(lei)成(cheng)為(wei)發(fa)射(she)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)子(zi)(zi)(zi)。讓電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)極(ji)表(biao)(biao)面(mian)(mian)帶(dai)(dai)水(shui)(shui)是降低表(biao)(biao)面(mian)(mian)勢(shi)(shi)壘(lei)(lei)的(de)(de)(de)(de)一(yi)種(zhong)(zhong)措施。水(shui)(shui)覆蓋金屬(shu)(shu)表(biao)(biao)面(mian)(mian)后，將原來的(de)(de)(de)(de)“金屬(shu)(shu)一(yi)空氣”界(jie)面(mian)(mian)分割成(cheng)“金屬(shu)(shu)一(yi)水(shui)(shui)”界(jie)面(mian)(mian)和“水(shui)(shui)一(yi)空氣”界(jie)面(mian)(mian)，后兩(liang)種(zhong)(zhong)界(jie)面(mian)(mian)的(de)(de)(de)(de)勢(shi)(shi)壘(lei)(lei)比前一(yi)種(zhong)(zhong)界(jie)面(mian)(mian)的(de)(de)(de)(de)勢(shi)(shi)壘(lei)(lei)低很多(duo)。這樣，金屬(shu)(shu)表(biao)(biao)面(mian)(mian)帶(dai)(dai)水(shui)(shui)后，將原來的(de)(de)(de)(de)高勢(shi)(shi)壘(lei)(lei)分解為(wei)兩(liang)種(zhong)(zhong)低勢(shi)(shi)壘(lei)(lei)，削弱表(biao)(biao)面(mian)(mian)勢(shi)(shi)壘(lei)(lei)對(dui)自(zi)由(you)(you)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)子(zi)(zi)(zi)的(de)(de)(de)(de)阻(zu)礙作(zuo)(zuo)用，使電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)子(zi)(zi)(zi)易(yi)于(yu)(yu)(yu)發(fa)射(she)。另(ling)外，水(shui)(shui)中的(de)(de)(de)(de)多(duo)種(zhong)(zhong)雜質離子(zi)(zi)(zi)在(zai)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)場作(zuo)(zuo)用下(xia)，也易(yi)越(yue)過表(biao)(biao)面(mian)(mian)勢(shi)(shi)壘(lei)(lei)而成(cheng)為(wei)發(fa)射(she)離子(zi)(zi)(zi)。這些都改變了電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)極(ji)放電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)效(xiao)果，使之能(neng)在(zai)低電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓下(xia)發(fa)生(sheng)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)暈放電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)。其(qi)(qi)次(ci)由(you)(you)于(yu)(yu)(yu)水(shui)(shui)滴(di)(di)的(de)(de)(de)(de)存(cun)在(zai)，水(shui)(shui)的(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)相對(dui)較小，水(shui)(shui)滴(di)(di)與粉(fen)塵(chen)(chen)(chen)結合后，使得高比電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)的(de)(de)(de)(de)粉(fen)塵(chen)(chen)(chen)比電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)下(xia)降，因此濕(shi)(shi)式靜(jing)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)除塵(chen)(chen)(chen)的(de)(de)(de)(de)工作(zuo)(zuo)狀(zhuang)態(tai)會(hui)更加穩定;另(ling)外由(you)(you)于(yu)(yu)(yu)濕(shi)(shi)式靜(jing)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)除塵(chen)(chen)(chen)器采用水(shui)(shui)流沖(chong)洗，沒有振(zhen)打裝置，所以不(bu)會(hui)產(chan)生(sheng)二次(ci)揚塵(chen)(chen)(chen)。