XWD型臥式靜電除塵器是眾多除塵器當中的一種，臥式靜電除塵器是以靜電凈化法來收捕廢氣中的粉塵的設備，其主要是讓含塵氣體進人氣刺叭時，含塵氣體受到氣流分布板以及折流板的調整后，使氣流能較均勻地進人電場。

臥(wo)式(shi)靜電(dian)(dian)(dian)(dian)除塵(chen)(chen)(chen)器是以(yi)靜電(dian)(dian)(dian)(dian)凈化(hua)(hua)法來(lai)收捕廢氣(qi)(qi)中(zhong)的(de)(de)(de)粉(fen)塵(chen)(chen)(chen)，它(ta)的(de)(de)(de)凈化(hua)(hua)工(gong)作上要(yao)是依(yi)靠電(dian)(dian)(dian)(dian)暈(yun)極(ji)(ji)(ji)(ji)(ji)和沉淀兩個系統來(lai)完(wan)成的(de)(de)(de)，當含(han)塵(chen)(chen)(chen)氣(qi)(qi)體(ti)(ti)進人氣(qi)(qi)刺叭時，含(han)塵(chen)(chen)(chen)氣(qi)(qi)體(ti)(ti)受到氣(qi)(qi)流分布板以(yi)及折流板的(de)(de)(de)調整后，使氣(qi)(qi)流能較均勻地進人電(dian)(dian)(dian)(dian)場(chang)。在橫(heng)斷面擴大(da)的(de)(de)(de)作用下(xia)，氣(qi)(qi)流速(su)度迅速(su)降低(di)，其中(zhong)有些較重的(de)(de)(de)塵(chen)(chen)(chen)粒便失去(qu)速(su)度而沉降下(xia)來(lai)。進人電(dian)(dian)(dian)(dian)場(chang)的(de)(de)(de)含(han)塵(chen)(chen)(chen)氣(qi)(qi)體(ti)(ti)由于(yu)電(dian)(dian)(dian)(dian)暈(yun)極(ji)(ji)(ji)(ji)(ji)通(tong)(tong)人高壓(ya)直流電(dian)(dian)(dian)(dian)，則在電(dian)(dian)(dian)(dian)暈(yun)極(ji)(ji)(ji)(ji)(ji)附(fu)近產生(sheng)電(dian)(dian)(dian)(dian)暈(yun)現象，使氣(qi)(qi)體(ti)(ti)電(dian)(dian)(dian)(dian)離，電(dian)(dian)(dian)(dian)離后的(de)(de)(de)氣(qi)(qi)體(ti)(ti)中(zhong)存在大(da)量(liang)的(de)(de)(de)電(dian)(dian)(dian)(dian)子(zi)和離子(zi)，這些電(dian)(dian)(dian)(dian)子(zi)和離子(zi)與進人電(dian)(dian)(dian)(dian)場(chang)的(de)(de)(de)粉(fen)塵(chen)(chen)(chen)結合(he)起(qi)來(lai)，使塵(chen)(chen)(chen)粒帶電(dian)(dian)(dian)(dian)，帶電(dian)(dian)(dian)(dian)塵(chen)(chen)(chen)粒在電(dian)(dian)(dian)(dian)場(chang)力(li)的(de)(de)(de)作用下(xia)趨向本設備(bei)陽極(ji)(ji)(ji)(ji)(ji)(正(zheng)極(ji)(ji)(ji)(ji)(ji)、本設備(bei)采(cai)用負(fu)高壓(ya)制(zhi))和陰極(ji)(ji)(ji)(ji)(ji)(負(fu)極(ji)(ji)(ji)(ji)(ji)) ， 釋放(fang)(fang)出電(dian)(dian)(dian)(dian)子(zi)分別沉積在相應的(de)(de)(de)電(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)(ji)上，通(tong)(tong)過設備(bei)陰陽極(ji)(ji)(ji)(ji)(ji)振(zhen)打(da)系統的(de)(de)(de)振(zhen)打(da)，使沉積在陰陽電(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)(ji)上的(de)(de)(de)粉(fen)塵(chen)(chen)(chen)振(zhen)落，進人集(ji)灰斗 通(tong)(tong)過排灰裝置放(fang)(fang)出，回(hui)收有物料，被)凈化(hua)(hua)的(de)(de)(de)氣(qi)(qi)體(ti)(ti)排入大(da)氣(qi)(qi)。

工作原理

靜電(dian)(dian)(dian)除(chu)塵(chen)器的(de)(de)(de)工作(zuo)原理是利用(yong)高壓電(dian)(dian)(dian)場(chang)使(shi)煙氣(qi)(qi)發生(sheng)電(dian)(dian)(dian)離(li)(li)，氣(qi)(qi)流中的(de)(de)(de)粉(fen)塵(chen)荷電(dian)(dian)(dian)在電(dian)(dian)(dian)場(chang)作(zuo)用(yong)下(xia)與氣(qi)(qi)流分(fen)離(li)(li)。負極(ji)由不同斷面形(xing)(xing)狀的(de)(de)(de)金(jin)屬導線制成(cheng)(cheng)(cheng)，叫(jiao)放(fang)電(dian)(dian)(dian)電(dian)(dian)(dian)極(ji)。正(zheng)極(ji)由不同幾何形(xing)(xing)狀的(de)(de)(de)金(jin)屬板制成(cheng)(cheng)(cheng)，叫(jiao)集塵(chen)電(dian)(dian)(dian)極(ji)。靜電(dian)(dian)(dian)除(chu)塵(chen)器的(de)(de)(de)性(xing)能受粉(fen)塵(chen)性(xing)質、設備構造(zao)和煙氣(qi)(qi)流速等(deng)三個因素的(de)(de)(de)影(ying)響。粉(fen)塵(chen)的(de)(de)(de)比(bi)電(dian)(dian)(dian)阻(zu)(zu)是評價導電(dian)(dian)(dian)性(xing)的(de)(de)(de)指標，它(ta)對除(chu)塵(chen)效率(lv)有直接的(de)(de)(de)影(ying)響。比(bi)電(dian)(dian)(dian)阻(zu)(zu)過低(di)，塵(chen)粒難以保持在集塵(chen)電(dian)(dian)(dian)極(ji)上，致使(shi)其重返氣(qi)(qi)流。比(bi)電(dian)(dian)(dian)阻(zu)(zu)過高，到達集塵(chen)電(dian)(dian)(dian)極(ji)的(de)(de)(de)塵(chen)粒電(dian)(dian)(dian)荷不易(yi)放(fang)出，在塵(chen)層之(zhi)間形(xing)(xing)成(cheng)(cheng)(cheng)電(dian)(dian)(dian)壓梯(ti)度會產生(sheng)局部(bu)擊穿(chuan)和放(fang)電(dian)(dian)(dian)現象。這些情況都會造(zao)成(cheng)(cheng)(cheng)除(chu)塵(chen)效率(lv)下(xia)降(jiang)。

電(dian)除(chu)塵器的(de)基本原(yuan)理(li)是利用(yong)電(dian)力捕集煙氣中的(de)粉塵，主(zhu)要包括以下四個相互有關的(de)物(wu)理(li)過程(cheng): (1) 氣體(ti)的(de)電(dian)離。(2) 粉塵的(de)荷電(dian)。(3) 荷電(dian)粉塵向(xiang)電(dian)極移動。(4) 荷電(dian)粉塵的(de)捕集。