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。

臥式靜電(dian)(dian)除塵(chen)(chen)(chen)(chen)器是以(yi)靜電(dian)(dian)凈化法來(lai)收捕廢氣(qi)(qi)中的(de)(de)粉塵(chen)(chen)(chen)(chen)，它的(de)(de)凈化工作上(shang)要(yao)是依靠電(dian)(dian)暈(yun)(yun)極和(he)(he)沉(chen)(chen)淀(dian)兩個系統來(lai)完成的(de)(de)，當(dang)含塵(chen)(chen)(chen)(chen)氣(qi)(qi)體(ti)(ti)(ti)進(jin)人(ren)氣(qi)(qi)刺叭時，含塵(chen)(chen)(chen)(chen)氣(qi)(qi)體(ti)(ti)(ti)受(shou)到氣(qi)(qi)流分布板以(yi)及折流板的(de)(de)調整后，使(shi)(shi)(shi)氣(qi)(qi)流能較均勻地進(jin)人(ren)電(dian)(dian)場(chang)。在(zai)(zai)橫斷(duan)面擴大(da)的(de)(de)作用下(xia)，氣(qi)(qi)流速(su)(su)度(du)(du)迅速(su)(su)降(jiang)低，其中有(you)些較重(zhong)的(de)(de)塵(chen)(chen)(chen)(chen)粒(li)便失去速(su)(su)度(du)(du)而沉(chen)(chen)降(jiang)下(xia)來(lai)。進(jin)人(ren)電(dian)(dian)場(chang)的(de)(de)含塵(chen)(chen)(chen)(chen)氣(qi)(qi)體(ti)(ti)(ti)由于電(dian)(dian)暈(yun)(yun)極通人(ren)高(gao)壓直(zhi)流電(dian)(dian)，則在(zai)(zai)電(dian)(dian)暈(yun)(yun)極附近產生電(dian)(dian)暈(yun)(yun)現象，使(shi)(shi)(shi)氣(qi)(qi)體(ti)(ti)(ti)電(dian)(dian)離，電(dian)(dian)離后的(de)(de)氣(qi)(qi)體(ti)(ti)(ti)中存在(zai)(zai)大(da)量(liang)的(de)(de)電(dian)(dian)子(zi)和(he)(he)離子(zi)，這些電(dian)(dian)子(zi)和(he)(he)離子(zi)與(yu)進(jin)人(ren)電(dian)(dian)場(chang)的(de)(de)粉塵(chen)(chen)(chen)(chen)結合起來(lai)，使(shi)(shi)(shi)塵(chen)(chen)(chen)(chen)粒(li)帶電(dian)(dian)，帶電(dian)(dian)塵(chen)(chen)(chen)(chen)粒(li)在(zai)(zai)電(dian)(dian)場(chang)力的(de)(de)作用下(xia)趨向本設備(bei)(bei)(bei)陽極(正極、本設備(bei)(bei)(bei)采用負(fu)高(gao)壓制)和(he)(he)陰(yin)極(負(fu)極) ， 釋放(fang)出電(dian)(dian)子(zi)分別沉(chen)(chen)積(ji)在(zai)(zai)相應的(de)(de)電(dian)(dian)極上(shang)，通過設備(bei)(bei)(bei)陰(yin)陽極振打系統的(de)(de)振打，使(shi)(shi)(shi)沉(chen)(chen)積(ji)在(zai)(zai)陰(yin)陽電(dian)(dian)極上(shang)的(de)(de)粉塵(chen)(chen)(chen)(chen)振落，進(jin)人(ren)集(ji)灰(hui)斗 通過排灰(hui)裝置(zhi)放(fang)出，回(hui)收有(you)物料，被)凈化的(de)(de)氣(qi)(qi)體(ti)(ti)(ti)排入大(da)氣(qi)(qi)。

工作(zuo)原理(li)

靜電(dian)(dian)(dian)(dian)除(chu)(chu)塵(chen)(chen)器的(de)(de)(de)工(gong)作(zuo)原理是利用高壓電(dian)(dian)(dian)(dian)場使煙(yan)氣(qi)(qi)(qi)(qi)發生(sheng)電(dian)(dian)(dian)(dian)離(li)，氣(qi)(qi)(qi)(qi)流中的(de)(de)(de)粉塵(chen)(chen)荷電(dian)(dian)(dian)(dian)在電(dian)(dian)(dian)(dian)場作(zuo)用下(xia)與氣(qi)(qi)(qi)(qi)流分離(li)。負極(ji)(ji)(ji)(ji)由不(bu)同斷面形(xing)狀(zhuang)的(de)(de)(de)金屬導線制(zhi)成，叫放電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)。正極(ji)(ji)(ji)(ji)由不(bu)同幾何形(xing)狀(zhuang)的(de)(de)(de)金屬板制(zhi)成，叫集(ji)(ji)塵(chen)(chen)電(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)。靜電(dian)(dian)(dian)(dian)除(chu)(chu)塵(chen)(chen)器的(de)(de)(de)性(xing)能受粉塵(chen)(chen)性(xing)質、設備構造和煙(yan)氣(qi)(qi)(qi)(qi)流速等三個因(yin)素的(de)(de)(de)影響(xiang)。粉塵(chen)(chen)的(de)(de)(de)比(bi)(bi)電(dian)(dian)(dian)(dian)阻(zu)(zu)是評價導電(dian)(dian)(dian)(dian)性(xing)的(de)(de)(de)指標，它對除(chu)(chu)塵(chen)(chen)效率(lv)有直接的(de)(de)(de)影響(xiang)。比(bi)(bi)電(dian)(dian)(dian)(dian)阻(zu)(zu)過低，塵(chen)(chen)粒難以(yi)保持在集(ji)(ji)塵(chen)(chen)電(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)上，致使其重(zhong)返(fan)氣(qi)(qi)(qi)(qi)流。比(bi)(bi)電(dian)(dian)(dian)(dian)阻(zu)(zu)過高，到達集(ji)(ji)塵(chen)(chen)電(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)的(de)(de)(de)塵(chen)(chen)粒電(dian)(dian)(dian)(dian)荷不(bu)易放出，在塵(chen)(chen)層之間形(xing)成電(dian)(dian)(dian)(dian)壓梯度會產生(sheng)局(ju)部擊穿和放電(dian)(dian)(dian)(dian)現象。這些情況(kuang)都會造成除(chu)(chu)塵(chen)(chen)效率(lv)下(xia)降。

電(dian)除(chu)塵器的(de)(de)基本原(yuan)理是利用電(dian)力捕集煙氣中的(de)(de)粉塵，主(zhu)要包括以下四(si)個相互有(you)關(guan)的(de)(de)物理過程(cheng): (1) 氣體的(de)(de)電(dian)離。(2) 粉塵的(de)(de)荷電(dian)。(3) 荷電(dian)粉塵向電(dian)極移(yi)動。(4) 荷電(dian)粉塵的(de)(de)捕集。