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(jing)電(dian)(dian)(dian)除塵(chen)(chen)器是以(yi)(yi)靜(jing)電(dian)(dian)(dian)凈(jing)化法來(lai)收(shou)捕廢氣(qi)(qi)(qi)(qi)(qi)中(zhong)的(de)(de)(de)(de)(de)(de)粉(fen)(fen)塵(chen)(chen)，它(ta)的(de)(de)(de)(de)(de)(de)凈(jing)化工作(zuo)上要是依(yi)靠電(dian)(dian)(dian)暈極(ji)(ji)和(he)沉(chen)淀兩個系統來(lai)完成的(de)(de)(de)(de)(de)(de)，當(dang)含(han)(han)(han)塵(chen)(chen)氣(qi)(qi)(qi)(qi)(qi)體(ti)(ti)(ti)進人氣(qi)(qi)(qi)(qi)(qi)刺叭時，含(han)(han)(han)塵(chen)(chen)氣(qi)(qi)(qi)(qi)(qi)體(ti)(ti)(ti)受(shou)到氣(qi)(qi)(qi)(qi)(qi)流分布(bu)板(ban)以(yi)(yi)及折(zhe)流板(ban)的(de)(de)(de)(de)(de)(de)調整后，使(shi)氣(qi)(qi)(qi)(qi)(qi)流能較(jiao)均勻地進人電(dian)(dian)(dian)場(chang)。在(zai)(zai)橫(heng)斷面擴大的(de)(de)(de)(de)(de)(de)作(zuo)用下，氣(qi)(qi)(qi)(qi)(qi)流速度(du)迅速降低，其中(zhong)有些較(jiao)重(zhong)的(de)(de)(de)(de)(de)(de)塵(chen)(chen)粒便失去速度(du)而沉(chen)降下來(lai)。進人電(dian)(dian)(dian)場(chang)的(de)(de)(de)(de)(de)(de)含(han)(han)(han)塵(chen)(chen)氣(qi)(qi)(qi)(qi)(qi)體(ti)(ti)(ti)由于電(dian)(dian)(dian)暈極(ji)(ji)通人高壓直(zhi)流電(dian)(dian)(dian)，則在(zai)(zai)電(dian)(dian)(dian)暈極(ji)(ji)附近產生電(dian)(dian)(dian)暈現象，使(shi)氣(qi)(qi)(qi)(qi)(qi)體(ti)(ti)(ti)電(dian)(dian)(dian)離(li)(li)，電(dian)(dian)(dian)離(li)(li)后的(de)(de)(de)(de)(de)(de)氣(qi)(qi)(qi)(qi)(qi)體(ti)(ti)(ti)中(zhong)存(cun)在(zai)(zai)大量的(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)子(zi)和(he)離(li)(li)子(zi)，這(zhe)些電(dian)(dian)(dian)子(zi)和(he)離(li)(li)子(zi)與進人電(dian)(dian)(dian)場(chang)的(de)(de)(de)(de)(de)(de)粉(fen)(fen)塵(chen)(chen)結合起來(lai)，使(shi)塵(chen)(chen)粒帶電(dian)(dian)(dian)，帶電(dian)(dian)(dian)塵(chen)(chen)粒在(zai)(zai)電(dian)(dian)(dian)場(chang)力的(de)(de)(de)(de)(de)(de)作(zuo)用下趨向本設(she)備陽(yang)極(ji)(ji)(正極(ji)(ji)、本設(she)備采用負高壓制(zhi))和(he)陰極(ji)(ji)(負極(ji)(ji)) ， 釋(shi)放出(chu)(chu)電(dian)(dian)(dian)子(zi)分別沉(chen)積在(zai)(zai)相應的(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)極(ji)(ji)上，通過(guo)設(she)備陰陽(yang)極(ji)(ji)振打(da)系統的(de)(de)(de)(de)(de)(de)振打(da)，使(shi)沉(chen)積在(zai)(zai)陰陽(yang)電(dian)(dian)(dian)極(ji)(ji)上的(de)(de)(de)(de)(de)(de)粉(fen)(fen)塵(chen)(chen)振落，進人集灰(hui)斗 通過(guo)排(pai)灰(hui)裝置放出(chu)(chu)，回收(shou)有物料，被)凈(jing)化的(de)(de)(de)(de)(de)(de)氣(qi)(qi)(qi)(qi)(qi)體(ti)(ti)(ti)排(pai)入大氣(qi)(qi)(qi)(qi)(qi)。

工作(zuo)原(yuan)理

靜電(dian)(dian)(dian)(dian)(dian)(dian)除(chu)塵(chen)(chen)(chen)(chen)器的工作(zuo)原理是利(li)用(yong)高壓電(dian)(dian)(dian)(dian)(dian)(dian)場使(shi)煙氣(qi)發生(sheng)電(dian)(dian)(dian)(dian)(dian)(dian)離，氣(qi)流(liu)中的粉(fen)(fen)塵(chen)(chen)(chen)(chen)荷電(dian)(dian)(dian)(dian)(dian)(dian)在(zai)電(dian)(dian)(dian)(dian)(dian)(dian)場作(zuo)用(yong)下與氣(qi)流(liu)分離。負極由不同斷面形(xing)(xing)狀的金(jin)屬導線(xian)制(zhi)成，叫(jiao)放電(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)極。正極由不同幾何形(xing)(xing)狀的金(jin)屬板制(zhi)成，叫(jiao)集塵(chen)(chen)(chen)(chen)電(dian)(dian)(dian)(dian)(dian)(dian)極。靜電(dian)(dian)(dian)(dian)(dian)(dian)除(chu)塵(chen)(chen)(chen)(chen)器的性能(neng)受粉(fen)(fen)塵(chen)(chen)(chen)(chen)性質、設備構造和(he)(he)煙氣(qi)流(liu)速(su)等三個(ge)因素的影響。粉(fen)(fen)塵(chen)(chen)(chen)(chen)的比電(dian)(dian)(dian)(dian)(dian)(dian)阻是評價導電(dian)(dian)(dian)(dian)(dian)(dian)性的指標，它對除(chu)塵(chen)(chen)(chen)(chen)效(xiao)率有直接的影響。比電(dian)(dian)(dian)(dian)(dian)(dian)阻過低，塵(chen)(chen)(chen)(chen)粒難以保持在(zai)集塵(chen)(chen)(chen)(chen)電(dian)(dian)(dian)(dian)(dian)(dian)極上(shang)，致使(shi)其重返氣(qi)流(liu)。比電(dian)(dian)(dian)(dian)(dian)(dian)阻過高，到(dao)達集塵(chen)(chen)(chen)(chen)電(dian)(dian)(dian)(dian)(dian)(dian)極的塵(chen)(chen)(chen)(chen)粒電(dian)(dian)(dian)(dian)(dian)(dian)荷不易(yi)放出，在(zai)塵(chen)(chen)(chen)(chen)層(ceng)之間(jian)形(xing)(xing)成電(dian)(dian)(dian)(dian)(dian)(dian)壓梯度會(hui)產生(sheng)局部擊穿和(he)(he)放電(dian)(dian)(dian)(dian)(dian)(dian)現(xian)象。這些情況都(dou)會(hui)造成除(chu)塵(chen)(chen)(chen)(chen)效(xiao)率下降。

電除塵器的基本原理是利(li)用(yong)電力捕集(ji)煙氣中的粉塵，主要(yao)包括以下四(si)個相互(hu)有關的物理過程: (1) 氣體(ti)(ti)的電離。(2) 粉塵的荷電。(3) 荷電粉塵向電極移動。(4) 荷電粉塵的捕集(ji)。