四川靜電除塵器廠家

靜電除塵器的(de)工作(zuo)原理是利用高壓電場使(shi)煙氣(qi)發生電離，氣(qi)流(liu)中(zhong)的(de)粉塵荷電在電場作(zuo)用下與(yu)氣(qi)流(liu)分離。負極由不(bu)同(tong)斷(duan)面(mian)形狀(zhuang)的(de)金屬導線制成(cheng)，叫放電電極。

正極由不同幾何形狀的金屬板制成，叫集塵電極。靜電除塵器廠家的性能受粉塵性質、設備構造和煙氣(qi)流速等三個因素的影響。粉塵的比(bi)(bi)電(dian)(dian)(dian)(dian)阻是評(ping)價導電(dian)(dian)(dian)(dian)性的指(zhi)標，它(ta)對除(chu)塵效(xiao)率有直接的影響。比(bi)(bi)電(dian)(dian)(dian)(dian)阻過低，塵粒難以(yi)保持在(zai)集(ji)塵電(dian)(dian)(dian)(dian)極(ji)上，致使其重(zhong)返(fan)氣(qi)流。比(bi)(bi)電(dian)(dian)(dian)(dian)阻過高(gao)，到(dao)達集(ji)塵電(dian)(dian)(dian)(dian)極(ji)的塵粒電(dian)(dian)(dian)(dian)荷(he)不(bu)易放出(chu)，在(zai)塵層(ceng)之間(jian)形成電(dian)(dian)(dian)(dian)壓(ya)梯度會產生局部擊穿和放電(dian)(dian)(dian)(dian)現象。這些情況都會造成除(chu)塵效(xiao)率下(xia)降(jiang)。

簡介

靜電除塵器的電源由控制箱、升壓變壓器和整流器組成。電源輸出的電壓高低對除塵效率也有很大影響。因此，靜電除塵器運行電壓需保持40一75kV乃至100kV以上。

工作原理

電(dian)除塵(chen)器的(de)(de)(de)基本(ben)原(yuan)理(li)(li)是利(li)用電(dian)力捕集(ji)煙氣(qi)(qi)中的(de)(de)(de)粉(fen)塵(chen)，主要包括以下四個(ge)相互有關的(de)(de)(de)物理(li)(li)過(guo)程：（1）氣(qi)(qi)體的(de)(de)(de)電(dian)離。（2）粉(fen)塵(chen)的(de)(de)(de)荷電(dian)。（3）荷電(dian)粉(fen)塵(chen)向電(dian)極移動。（4）荷電(dian)粉(fen)塵(chen)的(de)(de)(de)捕集(ji)。

荷(he)電(dian)(dian)(dian)(dian)(dian)(dian)粉(fen)塵(chen)的(de)(de)捕集過(guo)程：在兩個(ge)曲(qu)率半徑相差較大的(de)(de)金屬陽極和(he)(he)陰極上(shang)(shang)，通(tong)過(guo)高(gao)壓直流電(dian)(dian)(dian)(dian)(dian)(dian)，維(wei)持(chi)一個(ge)足以使氣體(ti)電(dian)(dian)(dian)(dian)(dian)(dian)離(li)(li)的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)場，氣體(ti)電(dian)(dian)(dian)(dian)(dian)(dian)離(li)(li)后所產生的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)子：陰離(li)(li)子和(he)(he)陽離(li)(li)子，吸附(fu)在通(tong)過(guo)電(dian)(dian)(dian)(dian)(dian)(dian)場的(de)(de)粉(fen)塵(chen)上(shang)(shang)，使粉(fen)塵(chen)獲得電(dian)(dian)(dian)(dian)(dian)(dian)荷(he)。荷(he)電(dian)(dian)(dian)(dian)(dian)(dian)極性不同(tong)的(de)(de)粉(fen)塵(chen)在電(dian)(dian)(dian)(dian)(dian)(dian)場力的(de)(de)作用下，分(fen)別(bie)向不同(tong)極性的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)極運動，沉積在電(dian)(dian)(dian)(dian)(dian)(dian)極上(shang)(shang)，而達到粉(fen)塵(chen)和(he)(he)氣體(ti)分(fen)離(li)(li)的(de)(de)目的(de)(de)。

基本結構

靜電(dian)(dian)電(dian)(dian)除(chu)塵器(qi)由(you)兩大部(bu)分(fen)組成(cheng)：一(yi)部(bu)分(fen)是電(dian)(dian)除(chu)塵器(qi)本體系(xi)(xi)統；另一(yi)部(bu)分(fen)是提(ti)供(gong)高(gao)壓(ya)(ya)(ya)直流電(dian)(dian)的供(gong)電(dian)(dian)裝置和(he)低壓(ya)(ya)(ya)自動控制系(xi)(xi)統。電(dian)(dian)除(chu)塵器(qi)的結構原理(li)圖(tu)如(ru)圖(tu)1所示，高(gao)壓(ya)(ya)(ya)供(gong)電(dian)(dian)系(xi)(xi)統為升壓(ya)(ya)(ya)變壓(ya)(ya)(ya)器(qi)供(gong)電(dian)(dian)，除(chu)塵器(qi)集塵極(ji)(ji)接地(di)。低壓(ya)(ya)(ya)電(dian)(dian)控制系(xi)(xi)統用來控制電(dian)(dian)磁(ci)振打錘、卸灰(hui)電(dian)(dian)極(ji)(ji)、輸(shu)灰(hui)電(dian)(dian)極(ji)(ji)以(yi)及幾個部(bu)件的溫度。