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(shi)靜電(dian)(dian)(dian)(dian)(dian)除塵(chen)器(qi)是以靜電(dian)(dian)(dian)(dian)(dian)凈(jing)化(hua)(hua)法來收捕廢氣(qi)中的(de)(de)(de)粉塵(chen)，它的(de)(de)(de)凈(jing)化(hua)(hua)工(gong)作上(shang)(shang)要(yao)是依靠電(dian)(dian)(dian)(dian)(dian)暈極(ji)和沉淀兩個系(xi)統來完成(cheng)的(de)(de)(de)，當含塵(chen)氣(qi)體(ti)(ti)進(jin)人氣(qi)刺叭(ba)時，含塵(chen)氣(qi)體(ti)(ti)受到氣(qi)流(liu)(liu)分布(bu)板(ban)(ban)以及折流(liu)(liu)板(ban)(ban)的(de)(de)(de)調整后，使氣(qi)流(liu)(liu)能(neng)較均勻(yun)地進(jin)人電(dian)(dian)(dian)(dian)(dian)場(chang)。在(zai)(zai)(zai)(zai)橫斷面擴大(da)的(de)(de)(de)作用(yong)下，氣(qi)流(liu)(liu)速度迅速降低，其(qi)中有些較重的(de)(de)(de)塵(chen)粒便(bian)失去速度而沉降下來。進(jin)人電(dian)(dian)(dian)(dian)(dian)場(chang)的(de)(de)(de)含塵(chen)氣(qi)體(ti)(ti)由于電(dian)(dian)(dian)(dian)(dian)暈極(ji)通(tong)人高壓直流(liu)(liu)電(dian)(dian)(dian)(dian)(dian)，則在(zai)(zai)(zai)(zai)電(dian)(dian)(dian)(dian)(dian)暈極(ji)附近(jin)產生電(dian)(dian)(dian)(dian)(dian)暈現象，使氣(qi)體(ti)(ti)電(dian)(dian)(dian)(dian)(dian)離(li)，電(dian)(dian)(dian)(dian)(dian)離(li)后的(de)(de)(de)氣(qi)體(ti)(ti)中存在(zai)(zai)(zai)(zai)大(da)量(liang)的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)子和離(li)子，這些電(dian)(dian)(dian)(dian)(dian)子和離(li)子與進(jin)人電(dian)(dian)(dian)(dian)(dian)場(chang)的(de)(de)(de)粉塵(chen)結合起來，使塵(chen)粒帶電(dian)(dian)(dian)(dian)(dian)，帶電(dian)(dian)(dian)(dian)(dian)塵(chen)粒在(zai)(zai)(zai)(zai)電(dian)(dian)(dian)(dian)(dian)場(chang)力的(de)(de)(de)作用(yong)下趨(qu)向本設(she)備陽(yang)極(ji)(正極(ji)、本設(she)備采用(yong)負高壓制)和陰(yin)(yin)(yin)極(ji)(負極(ji)) ， 釋放(fang)出(chu)電(dian)(dian)(dian)(dian)(dian)子分別沉積(ji)在(zai)(zai)(zai)(zai)相應的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)極(ji)上(shang)(shang)，通(tong)過(guo)設(she)備陰(yin)(yin)(yin)陽(yang)極(ji)振打系(xi)統的(de)(de)(de)振打，使沉積(ji)在(zai)(zai)(zai)(zai)陰(yin)(yin)(yin)陽(yang)電(dian)(dian)(dian)(dian)(dian)極(ji)上(shang)(shang)的(de)(de)(de)粉塵(chen)振落，進(jin)人集灰(hui)斗(dou) 通(tong)過(guo)排灰(hui)裝(zhuang)置放(fang)出(chu)，回收有物料，被)凈(jing)化(hua)(hua)的(de)(de)(de)氣(qi)體(ti)(ti)排入大(da)氣(qi)。

工作(zuo)原理

靜(jing)電(dian)(dian)(dian)(dian)(dian)除(chu)塵(chen)(chen)器(qi)的(de)(de)(de)工作原(yuan)理是(shi)利用高壓電(dian)(dian)(dian)(dian)(dian)場使煙氣(qi)(qi)(qi)發生電(dian)(dian)(dian)(dian)(dian)離(li)，氣(qi)(qi)(qi)流中的(de)(de)(de)粉(fen)(fen)塵(chen)(chen)荷電(dian)(dian)(dian)(dian)(dian)在(zai)電(dian)(dian)(dian)(dian)(dian)場作用下(xia)與氣(qi)(qi)(qi)流分離(li)。負極(ji)由不同斷面形狀(zhuang)的(de)(de)(de)金屬(shu)(shu)導(dao)線制(zhi)成(cheng)，叫放(fang)電(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)極(ji)。正極(ji)由不同幾何形狀(zhuang)的(de)(de)(de)金屬(shu)(shu)板制(zhi)成(cheng)，叫集(ji)塵(chen)(chen)電(dian)(dian)(dian)(dian)(dian)極(ji)。靜(jing)電(dian)(dian)(dian)(dian)(dian)除(chu)塵(chen)(chen)器(qi)的(de)(de)(de)性(xing)能受粉(fen)(fen)塵(chen)(chen)性(xing)質(zhi)、設備(bei)構造(zao)和(he)(he)煙氣(qi)(qi)(qi)流速等(deng)三個因素的(de)(de)(de)影響。粉(fen)(fen)塵(chen)(chen)的(de)(de)(de)比(bi)電(dian)(dian)(dian)(dian)(dian)阻是(shi)評價導(dao)電(dian)(dian)(dian)(dian)(dian)性(xing)的(de)(de)(de)指標，它對除(chu)塵(chen)(chen)效率(lv)有直接的(de)(de)(de)影響。比(bi)電(dian)(dian)(dian)(dian)(dian)阻過低，塵(chen)(chen)粒難(nan)以保持在(zai)集(ji)塵(chen)(chen)電(dian)(dian)(dian)(dian)(dian)極(ji)上(shang)，致使其重返氣(qi)(qi)(qi)流。比(bi)電(dian)(dian)(dian)(dian)(dian)阻過高，到達集(ji)塵(chen)(chen)電(dian)(dian)(dian)(dian)(dian)極(ji)的(de)(de)(de)塵(chen)(chen)粒電(dian)(dian)(dian)(dian)(dian)荷不易放(fang)出，在(zai)塵(chen)(chen)層之間形成(cheng)電(dian)(dian)(dian)(dian)(dian)壓梯度會產生局部(bu)擊穿(chuan)和(he)(he)放(fang)電(dian)(dian)(dian)(dian)(dian)現象。這些情況(kuang)都會造(zao)成(cheng)除(chu)塵(chen)(chen)效率(lv)下(xia)降。

電除(chu)塵(chen)器的(de)基本(ben)原理是利用電力(li)捕集(ji)煙氣中的(de)粉(fen)塵(chen)，主(zhu)要包括以下四個相互有關的(de)物理過程: (1) 氣體的(de)電離(li)。(2) 粉(fen)塵(chen)的(de)荷電。(3) 荷電粉(fen)塵(chen)向電極移動。(4) 荷電粉(fen)塵(chen)的(de)捕集(ji)。