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)式靜(jing)電(dian)(dian)(dian)除塵(chen)(chen)(chen)器是以(yi)靜(jing)電(dian)(dian)(dian)凈(jing)化法來(lai)(lai)收(shou)捕廢(fei)氣(qi)(qi)中(zhong)的(de)(de)粉塵(chen)(chen)(chen)，它的(de)(de)凈(jing)化工作上(shang)要(yao)是依靠電(dian)(dian)(dian)暈(yun)極(ji)(ji)和(he)沉淀兩個系統(tong)來(lai)(lai)完成的(de)(de)，當含(han)塵(chen)(chen)(chen)氣(qi)(qi)體(ti)進人(ren)氣(qi)(qi)刺叭(ba)時，含(han)塵(chen)(chen)(chen)氣(qi)(qi)體(ti)受到(dao)氣(qi)(qi)流(liu)(liu)分布(bu)板以(yi)及(ji)折流(liu)(liu)板的(de)(de)調整后(hou)，使(shi)氣(qi)(qi)流(liu)(liu)能較均勻地進人(ren)電(dian)(dian)(dian)場(chang)(chang)。在橫斷面(mian)擴大的(de)(de)作用下，氣(qi)(qi)流(liu)(liu)速度(du)迅速降低(di)，其中(zhong)有(you)些較重的(de)(de)塵(chen)(chen)(chen)粒(li)便失(shi)去(qu)速度(du)而(er)沉降下來(lai)(lai)。進人(ren)電(dian)(dian)(dian)場(chang)(chang)的(de)(de)含(han)塵(chen)(chen)(chen)氣(qi)(qi)體(ti)由于電(dian)(dian)(dian)暈(yun)極(ji)(ji)通(tong)人(ren)高壓直流(liu)(liu)電(dian)(dian)(dian)，則(ze)在電(dian)(dian)(dian)暈(yun)極(ji)(ji)附近產生(sheng)電(dian)(dian)(dian)暈(yun)現象，使(shi)氣(qi)(qi)體(ti)電(dian)(dian)(dian)離，電(dian)(dian)(dian)離后(hou)的(de)(de)氣(qi)(qi)體(ti)中(zhong)存在大量的(de)(de)電(dian)(dian)(dian)子(zi)(zi)(zi)和(he)離子(zi)(zi)(zi)，這些電(dian)(dian)(dian)子(zi)(zi)(zi)和(he)離子(zi)(zi)(zi)與進人(ren)電(dian)(dian)(dian)場(chang)(chang)的(de)(de)粉塵(chen)(chen)(chen)結合起(qi)來(lai)(lai)，使(shi)塵(chen)(chen)(chen)粒(li)帶電(dian)(dian)(dian)，帶電(dian)(dian)(dian)塵(chen)(chen)(chen)粒(li)在電(dian)(dian)(dian)場(chang)(chang)力(li)的(de)(de)作用下趨(qu)向本(ben)設(she)備(bei)陽極(ji)(ji)(正極(ji)(ji)、本(ben)設(she)備(bei)采用負高壓制)和(he)陰(yin)極(ji)(ji)(負極(ji)(ji)) ， 釋放(fang)出(chu)電(dian)(dian)(dian)子(zi)(zi)(zi)分別沉積在相(xiang)應的(de)(de)電(dian)(dian)(dian)極(ji)(ji)上(shang)，通(tong)過設(she)備(bei)陰(yin)陽極(ji)(ji)振(zhen)打系統(tong)的(de)(de)振(zhen)打，使(shi)沉積在陰(yin)陽電(dian)(dian)(dian)極(ji)(ji)上(shang)的(de)(de)粉塵(chen)(chen)(chen)振(zhen)落，進人(ren)集(ji)灰斗(dou) 通(tong)過排灰裝置放(fang)出(chu)，回收(shou)有(you)物料，被)凈(jing)化的(de)(de)氣(qi)(qi)體(ti)排入大氣(qi)(qi)。

工作(zuo)原理

靜電(dian)(dian)(dian)(dian)除(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)器的(de)工作(zuo)原理是利用(yong)高(gao)壓(ya)電(dian)(dian)(dian)(dian)場使(shi)煙氣(qi)(qi)發生電(dian)(dian)(dian)(dian)離(li)，氣(qi)(qi)流中的(de)粉塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)荷電(dian)(dian)(dian)(dian)在電(dian)(dian)(dian)(dian)場作(zuo)用(yong)下(xia)與氣(qi)(qi)流分離(li)。負極(ji)(ji)由不同斷(duan)面形(xing)狀(zhuang)(zhuang)的(de)金(jin)(jin)屬導(dao)線(xian)制成(cheng)，叫放電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)極(ji)(ji)。正極(ji)(ji)由不同幾何形(xing)狀(zhuang)(zhuang)的(de)金(jin)(jin)屬板制成(cheng)，叫集(ji)塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)電(dian)(dian)(dian)(dian)極(ji)(ji)。靜電(dian)(dian)(dian)(dian)除(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)器的(de)性(xing)能受粉塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)性(xing)質、設備構造和煙氣(qi)(qi)流速等三(san)個因素(su)的(de)影響。粉塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)的(de)比電(dian)(dian)(dian)(dian)阻是評價(jia)導(dao)電(dian)(dian)(dian)(dian)性(xing)的(de)指標，它對(dui)除(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)效(xiao)率有直接的(de)影響。比電(dian)(dian)(dian)(dian)阻過(guo)低(di)，塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)粒(li)難以保持在集(ji)塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)電(dian)(dian)(dian)(dian)極(ji)(ji)上，致使(shi)其重返(fan)氣(qi)(qi)流。比電(dian)(dian)(dian)(dian)阻過(guo)高(gao)，到達集(ji)塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)電(dian)(dian)(dian)(dian)極(ji)(ji)的(de)塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)粒(li)電(dian)(dian)(dian)(dian)荷不易放出，在塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)層之間形(xing)成(cheng)電(dian)(dian)(dian)(dian)壓(ya)梯度會(hui)(hui)產生局部擊穿和放電(dian)(dian)(dian)(dian)現象(xiang)。這些情況都(dou)會(hui)(hui)造成(cheng)除(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)效(xiao)率下(xia)降。

電(dian)(dian)除(chu)塵(chen)(chen)器的(de)(de)(de)基本原(yuan)理(li)是利(li)用電(dian)(dian)力捕(bu)集(ji)煙氣(qi)中的(de)(de)(de)粉塵(chen)(chen)，主要包(bao)括(kuo)以下四個相互有關的(de)(de)(de)物理(li)過程: (1) 氣(qi)體(ti)(ti)的(de)(de)(de)電(dian)(dian)離。(2) 粉塵(chen)(chen)的(de)(de)(de)荷電(dian)(dian)。(3) 荷電(dian)(dian)粉塵(chen)(chen)向(xiang)電(dian)(dian)極移(yi)動。(4) 荷電(dian)(dian)粉塵(chen)(chen)的(de)(de)(de)捕(bu)集(ji)。