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)除塵(chen)(chen)器是以靜電(dian)(dian)(dian)凈化(hua)法(fa)來收(shou)捕廢氣(qi)(qi)(qi)中(zhong)的(de)(de)(de)粉(fen)塵(chen)(chen)，它的(de)(de)(de)凈化(hua)工作上要是依靠電(dian)(dian)(dian)暈極(ji)(ji)(ji)和沉(chen)淀(dian)兩個系統(tong)來完(wan)成的(de)(de)(de)，當含(han)塵(chen)(chen)氣(qi)(qi)(qi)體(ti)進人氣(qi)(qi)(qi)刺叭時(shi)，含(han)塵(chen)(chen)氣(qi)(qi)(qi)體(ti)受到氣(qi)(qi)(qi)流(liu)(liu)(liu)分布(bu)板(ban)以及折流(liu)(liu)(liu)板(ban)的(de)(de)(de)調整后(hou)，使(shi)氣(qi)(qi)(qi)流(liu)(liu)(liu)能較均勻(yun)地進人電(dian)(dian)(dian)場(chang)。在(zai)橫(heng)斷面擴大(da)(da)的(de)(de)(de)作用下，氣(qi)(qi)(qi)流(liu)(liu)(liu)速度迅速降(jiang)低，其(qi)中(zhong)有些較重的(de)(de)(de)塵(chen)(chen)粒(li)便(bian)失(shi)去速度而(er)沉(chen)降(jiang)下來。進人電(dian)(dian)(dian)場(chang)的(de)(de)(de)含(han)塵(chen)(chen)氣(qi)(qi)(qi)體(ti)由于(yu)電(dian)(dian)(dian)暈極(ji)(ji)(ji)通人高壓(ya)直流(liu)(liu)(liu)電(dian)(dian)(dian)，則在(zai)電(dian)(dian)(dian)暈極(ji)(ji)(ji)附近產生電(dian)(dian)(dian)暈現象，使(shi)氣(qi)(qi)(qi)體(ti)電(dian)(dian)(dian)離(li)，電(dian)(dian)(dian)離(li)后(hou)的(de)(de)(de)氣(qi)(qi)(qi)體(ti)中(zhong)存在(zai)大(da)(da)量(liang)的(de)(de)(de)電(dian)(dian)(dian)子和離(li)子，這些電(dian)(dian)(dian)子和離(li)子與進人電(dian)(dian)(dian)場(chang)的(de)(de)(de)粉(fen)塵(chen)(chen)結合起來，使(shi)塵(chen)(chen)粒(li)帶電(dian)(dian)(dian)，帶電(dian)(dian)(dian)塵(chen)(chen)粒(li)在(zai)電(dian)(dian)(dian)場(chang)力的(de)(de)(de)作用下趨向本(ben)設備(bei)陽(yang)極(ji)(ji)(ji)(正極(ji)(ji)(ji)、本(ben)設備(bei)采用負(fu)高壓(ya)制)和陰極(ji)(ji)(ji)(負(fu)極(ji)(ji)(ji)) ， 釋放出電(dian)(dian)(dian)子分別沉(chen)積在(zai)相應的(de)(de)(de)電(dian)(dian)(dian)極(ji)(ji)(ji)上，通過(guo)設備(bei)陰陽(yang)極(ji)(ji)(ji)振(zhen)(zhen)(zhen)打系統(tong)的(de)(de)(de)振(zhen)(zhen)(zhen)打，使(shi)沉(chen)積在(zai)陰陽(yang)電(dian)(dian)(dian)極(ji)(ji)(ji)上的(de)(de)(de)粉(fen)塵(chen)(chen)振(zhen)(zhen)(zhen)落(luo)，進人集灰(hui)斗 通過(guo)排(pai)灰(hui)裝置放出，回(hui)收(shou)有物料，被)凈化(hua)的(de)(de)(de)氣(qi)(qi)(qi)體(ti)排(pai)入大(da)(da)氣(qi)(qi)(qi)。

工作原理

靜電(dian)(dian)(dian)(dian)(dian)(dian)(dian)除塵(chen)(chen)器(qi)的(de)工作(zuo)原(yuan)理是(shi)利用高壓(ya)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)場使(shi)煙(yan)氣(qi)(qi)發生電(dian)(dian)(dian)(dian)(dian)(dian)(dian)離，氣(qi)(qi)流中的(de)粉(fen)(fen)塵(chen)(chen)荷(he)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)在(zai)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)場作(zuo)用下與氣(qi)(qi)流分離。負極(ji)(ji)由不同斷面(mian)形(xing)狀(zhuang)的(de)金屬(shu)導線(xian)制(zhi)成(cheng)，叫放電(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)極(ji)(ji)。正極(ji)(ji)由不同幾何形(xing)狀(zhuang)的(de)金屬(shu)板制(zhi)成(cheng)，叫集(ji)塵(chen)(chen)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)極(ji)(ji)。靜電(dian)(dian)(dian)(dian)(dian)(dian)(dian)除塵(chen)(chen)器(qi)的(de)性能受粉(fen)(fen)塵(chen)(chen)性質、設(she)備構造(zao)和(he)煙(yan)氣(qi)(qi)流速等三個(ge)因(yin)素的(de)影響。粉(fen)(fen)塵(chen)(chen)的(de)比(bi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻是(shi)評價(jia)導電(dian)(dian)(dian)(dian)(dian)(dian)(dian)性的(de)指標，它對除塵(chen)(chen)效率有直接的(de)影響。比(bi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻過(guo)(guo)低，塵(chen)(chen)粒(li)難以(yi)保持在(zai)集(ji)塵(chen)(chen)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)極(ji)(ji)上，致使(shi)其重返氣(qi)(qi)流。比(bi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻過(guo)(guo)高，到達集(ji)塵(chen)(chen)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)極(ji)(ji)的(de)塵(chen)(chen)粒(li)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)荷(he)不易放出，在(zai)塵(chen)(chen)層之間形(xing)成(cheng)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)梯度會產生局部擊穿和(he)放電(dian)(dian)(dian)(dian)(dian)(dian)(dian)現象。這些情況都會造(zao)成(cheng)除塵(chen)(chen)效率下降。

電(dian)(dian)除塵器的(de)(de)基本原理(li)(li)是利用電(dian)(dian)力捕(bu)集(ji)煙(yan)氣中的(de)(de)粉(fen)塵，主(zhu)要(yao)包括以下四個相(xiang)互(hu)有(you)關的(de)(de)物理(li)(li)過程: (1) 氣體(ti)的(de)(de)電(dian)(dian)離。(2) 粉(fen)塵的(de)(de)荷電(dian)(dian)。(3) 荷電(dian)(dian)粉(fen)塵向電(dian)(dian)極移動。(4) 荷電(dian)(dian)粉(fen)塵的(de)(de)捕(bu)集(ji)。