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)除塵器是(shi)以(yi)(yi)靜(jing)電(dian)(dian)凈化(hua)法來(lai)收(shou)捕廢氣中的(de)(de)(de)粉(fen)塵，它(ta)的(de)(de)(de)凈化(hua)工作上要是(shi)依(yi)靠(kao)電(dian)(dian)暈極(ji)和(he)沉淀兩個系統(tong)來(lai)完成的(de)(de)(de)，當含(han)塵氣體(ti)(ti)進(jin)人(ren)(ren)氣刺(ci)叭(ba)時，含(han)塵氣體(ti)(ti)受到氣流(liu)分布板(ban)以(yi)(yi)及折流(liu)板(ban)的(de)(de)(de)調整后(hou)，使(shi)氣流(liu)能較(jiao)均勻(yun)地進(jin)人(ren)(ren)電(dian)(dian)場(chang)。在橫斷面擴大的(de)(de)(de)作用(yong)下(xia)，氣流(liu)速度迅(xun)速降低，其(qi)中有(you)些較(jiao)重(zhong)的(de)(de)(de)塵粒便失去速度而沉降下(xia)來(lai)。進(jin)人(ren)(ren)電(dian)(dian)場(chang)的(de)(de)(de)含(han)塵氣體(ti)(ti)由(you)于(yu)電(dian)(dian)暈極(ji)通(tong)人(ren)(ren)高(gao)壓直流(liu)電(dian)(dian)，則在電(dian)(dian)暈極(ji)附近產生電(dian)(dian)暈現(xian)象，使(shi)氣體(ti)(ti)電(dian)(dian)離(li)(li)，電(dian)(dian)離(li)(li)后(hou)的(de)(de)(de)氣體(ti)(ti)中存在大量的(de)(de)(de)電(dian)(dian)子(zi)(zi)和(he)離(li)(li)子(zi)(zi)，這(zhe)些電(dian)(dian)子(zi)(zi)和(he)離(li)(li)子(zi)(zi)與進(jin)人(ren)(ren)電(dian)(dian)場(chang)的(de)(de)(de)粉(fen)塵結合起來(lai)，使(shi)塵粒帶(dai)電(dian)(dian)，帶(dai)電(dian)(dian)塵粒在電(dian)(dian)場(chang)力的(de)(de)(de)作用(yong)下(xia)趨向本(ben)設備(bei)陽極(ji)(正極(ji)、本(ben)設備(bei)采用(yong)負(fu)高(gao)壓制)和(he)陰(yin)極(ji)(負(fu)極(ji)) ， 釋放出電(dian)(dian)子(zi)(zi)分別(bie)沉積在相應的(de)(de)(de)電(dian)(dian)極(ji)上，通(tong)過設備(bei)陰(yin)陽極(ji)振打系統(tong)的(de)(de)(de)振打，使(shi)沉積在陰(yin)陽電(dian)(dian)極(ji)上的(de)(de)(de)粉(fen)塵振落(luo)，進(jin)人(ren)(ren)集灰斗 通(tong)過排灰裝(zhuang)置(zhi)放出，回收(shou)有(you)物料，被)凈化(hua)的(de)(de)(de)氣體(ti)(ti)排入大氣。

工(gong)作原理

靜電(dian)(dian)(dian)(dian)(dian)除(chu)塵(chen)(chen)器(qi)的(de)(de)工作原理是利用高(gao)壓電(dian)(dian)(dian)(dian)(dian)場(chang)使煙氣發生(sheng)電(dian)(dian)(dian)(dian)(dian)離，氣流中(zhong)的(de)(de)粉塵(chen)(chen)荷電(dian)(dian)(dian)(dian)(dian)在(zai)(zai)電(dian)(dian)(dian)(dian)(dian)場(chang)作用下與(yu)氣流分離。負極(ji)由不同斷面形狀的(de)(de)金屬導(dao)線制(zhi)成，叫(jiao)放電(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)極(ji)。正(zheng)極(ji)由不同幾何形狀的(de)(de)金屬板制(zhi)成，叫(jiao)集塵(chen)(chen)電(dian)(dian)(dian)(dian)(dian)極(ji)。靜電(dian)(dian)(dian)(dian)(dian)除(chu)塵(chen)(chen)器(qi)的(de)(de)性能受粉塵(chen)(chen)性質、設備構(gou)造和煙氣流速等三個因素的(de)(de)影(ying)響。粉塵(chen)(chen)的(de)(de)比電(dian)(dian)(dian)(dian)(dian)阻是評價導(dao)電(dian)(dian)(dian)(dian)(dian)性的(de)(de)指標，它對除(chu)塵(chen)(chen)效率(lv)有(you)直接(jie)的(de)(de)影(ying)響。比電(dian)(dian)(dian)(dian)(dian)阻過低(di)，塵(chen)(chen)粒難以(yi)保持在(zai)(zai)集塵(chen)(chen)電(dian)(dian)(dian)(dian)(dian)極(ji)上，致使其重返氣流。比電(dian)(dian)(dian)(dian)(dian)阻過高(gao)，到達集塵(chen)(chen)電(dian)(dian)(dian)(dian)(dian)極(ji)的(de)(de)塵(chen)(chen)粒電(dian)(dian)(dian)(dian)(dian)荷不易放出，在(zai)(zai)塵(chen)(chen)層之間形成電(dian)(dian)(dian)(dian)(dian)壓梯度會產生(sheng)局(ju)部擊穿和放電(dian)(dian)(dian)(dian)(dian)現象(xiang)。這些情況都(dou)會造成除(chu)塵(chen)(chen)效率(lv)下降。

電(dian)(dian)除塵(chen)器(qi)的(de)(de)基本原理是(shi)利用電(dian)(dian)力捕(bu)集煙氣中的(de)(de)粉塵(chen)，主要包括以下四個相(xiang)互有關(guan)的(de)(de)物理過(guo)程(cheng): (1) 氣體(ti)的(de)(de)電(dian)(dian)離。(2) 粉塵(chen)的(de)(de)荷(he)電(dian)(dian)。(3) 荷(he)電(dian)(dian)粉塵(chen)向電(dian)(dian)極移動(dong)。(4) 荷(he)電(dian)(dian)粉塵(chen)的(de)(de)捕(bu)集。