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)(dian)(dian)除塵(chen)(chen)器是以靜電(dian)(dian)(dian)(dian)凈化(hua)法來收捕廢氣(qi)(qi)中的(de)(de)粉(fen)塵(chen)(chen)，它(ta)的(de)(de)凈化(hua)工(gong)作上(shang)要是依靠電(dian)(dian)(dian)(dian)暈(yun)極(ji)和沉(chen)(chen)淀兩個系統來完成的(de)(de)，當含塵(chen)(chen)氣(qi)(qi)體(ti)進(jin)人(ren)氣(qi)(qi)刺叭時(shi)，含塵(chen)(chen)氣(qi)(qi)體(ti)受到氣(qi)(qi)流(liu)分(fen)布板以及折流(liu)板的(de)(de)調(diao)整后，使(shi)氣(qi)(qi)流(liu)能(neng)較均勻(yun)地進(jin)人(ren)電(dian)(dian)(dian)(dian)場。在(zai)橫斷面擴大(da)(da)的(de)(de)作用下(xia)，氣(qi)(qi)流(liu)速度迅速降(jiang)(jiang)低，其中有些(xie)較重的(de)(de)塵(chen)(chen)粒便失去(qu)速度而沉(chen)(chen)降(jiang)(jiang)下(xia)來。進(jin)人(ren)電(dian)(dian)(dian)(dian)場的(de)(de)含塵(chen)(chen)氣(qi)(qi)體(ti)由于電(dian)(dian)(dian)(dian)暈(yun)極(ji)通(tong)人(ren)高(gao)壓(ya)直流(liu)電(dian)(dian)(dian)(dian)，則在(zai)電(dian)(dian)(dian)(dian)暈(yun)極(ji)附近(jin)產生(sheng)電(dian)(dian)(dian)(dian)暈(yun)現(xian)象，使(shi)氣(qi)(qi)體(ti)電(dian)(dian)(dian)(dian)離(li)，電(dian)(dian)(dian)(dian)離(li)后的(de)(de)氣(qi)(qi)體(ti)中存在(zai)大(da)(da)量的(de)(de)電(dian)(dian)(dian)(dian)子(zi)(zi)和離(li)子(zi)(zi)，這些(xie)電(dian)(dian)(dian)(dian)子(zi)(zi)和離(li)子(zi)(zi)與進(jin)人(ren)電(dian)(dian)(dian)(dian)場的(de)(de)粉(fen)塵(chen)(chen)結(jie)合起來，使(shi)塵(chen)(chen)粒帶(dai)電(dian)(dian)(dian)(dian)，帶(dai)電(dian)(dian)(dian)(dian)塵(chen)(chen)粒在(zai)電(dian)(dian)(dian)(dian)場力(li)的(de)(de)作用下(xia)趨向本設(she)備(bei)陽(yang)極(ji)(正極(ji)、本設(she)備(bei)采(cai)用負(fu)高(gao)壓(ya)制)和陰極(ji)(負(fu)極(ji)) ， 釋放出電(dian)(dian)(dian)(dian)子(zi)(zi)分(fen)別沉(chen)(chen)積(ji)在(zai)相應(ying)的(de)(de)電(dian)(dian)(dian)(dian)極(ji)上(shang)，通(tong)過(guo)設(she)備(bei)陰陽(yang)極(ji)振打(da)系統的(de)(de)振打(da)，使(shi)沉(chen)(chen)積(ji)在(zai)陰陽(yang)電(dian)(dian)(dian)(dian)極(ji)上(shang)的(de)(de)粉(fen)塵(chen)(chen)振落(luo)，進(jin)人(ren)集灰斗 通(tong)過(guo)排灰裝(zhuang)置放出，回收有物料，被)凈化(hua)的(de)(de)氣(qi)(qi)體(ti)排入大(da)(da)氣(qi)(qi)。

工作(zuo)原(yuan)理

靜電(dian)(dian)除(chu)(chu)塵(chen)(chen)器的(de)(de)(de)工作原理是利用高壓電(dian)(dian)場(chang)使煙氣(qi)(qi)發生電(dian)(dian)離(li)，氣(qi)(qi)流中的(de)(de)(de)粉塵(chen)(chen)荷電(dian)(dian)在(zai)電(dian)(dian)場(chang)作用下(xia)與氣(qi)(qi)流分離(li)。負極(ji)(ji)由不(bu)同斷(duan)面形(xing)狀的(de)(de)(de)金屬導線(xian)制(zhi)成(cheng)，叫(jiao)放(fang)電(dian)(dian)電(dian)(dian)極(ji)(ji)。正極(ji)(ji)由不(bu)同幾何形(xing)狀的(de)(de)(de)金屬板制(zhi)成(cheng)，叫(jiao)集(ji)塵(chen)(chen)電(dian)(dian)極(ji)(ji)。靜電(dian)(dian)除(chu)(chu)塵(chen)(chen)器的(de)(de)(de)性(xing)能受粉塵(chen)(chen)性(xing)質(zhi)、設備構造和煙氣(qi)(qi)流速等三(san)個因素的(de)(de)(de)影響。粉塵(chen)(chen)的(de)(de)(de)比(bi)電(dian)(dian)阻是評價導電(dian)(dian)性(xing)的(de)(de)(de)指標，它對除(chu)(chu)塵(chen)(chen)效率(lv)有直(zhi)接的(de)(de)(de)影響。比(bi)電(dian)(dian)阻過(guo)低，塵(chen)(chen)粒難以保持在(zai)集(ji)塵(chen)(chen)電(dian)(dian)極(ji)(ji)上，致使其(qi)重返氣(qi)(qi)流。比(bi)電(dian)(dian)阻過(guo)高，到達集(ji)塵(chen)(chen)電(dian)(dian)極(ji)(ji)的(de)(de)(de)塵(chen)(chen)粒電(dian)(dian)荷不(bu)易放(fang)出，在(zai)塵(chen)(chen)層之間形(xing)成(cheng)電(dian)(dian)壓梯度(du)會產生局(ju)部擊(ji)穿和放(fang)電(dian)(dian)現象。這些(xie)情(qing)況都會造成(cheng)除(chu)(chu)塵(chen)(chen)效率(lv)下(xia)降(jiang)。

電除塵(chen)器的基本原理(li)是利用電力捕集(ji)煙氣中的粉(fen)塵(chen)，主要包括以下(xia)四(si)個相(xiang)互有關的物理(li)過程: (1) 氣體(ti)的電離。(2) 粉(fen)塵(chen)的荷(he)電。(3) 荷(he)電粉(fen)塵(chen)向電極移動。(4) 荷(he)電粉(fen)塵(chen)的捕集(ji)。