甘肅靜電除塵器廠家

靜電除塵器的工作原理是利用高壓(ya)電(dian)場使(shi)煙氣(qi)發生電(dian)離，氣(qi)流(liu)(liu)中的粉塵荷電(dian)在電(dian)場作用下與氣(qi)流(liu)(liu)分離。負極(ji)(ji)由(you)不同斷面形狀的金屬導線制成，叫放(fang)電(dian)電(dian)極(ji)(ji)。

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(de)(de)性能受粉塵性質、設備構造和煙氣流(liu)(liu)速等(deng)三個因素的(de)(de)影(ying)響(xiang)。粉塵的(de)(de)比(bi)電(dian)(dian)(dian)阻是評價導電(dian)(dian)(dian)性的(de)(de)指標，它對除塵效率(lv)(lv)有直接的(de)(de)影(ying)響(xiang)。比(bi)電(dian)(dian)(dian)阻過(guo)低，塵粒難(nan)以(yi)保持在集塵電(dian)(dian)(dian)極上，致使其重返氣流(liu)(liu)。比(bi)電(dian)(dian)(dian)阻過(guo)高，到達集塵電(dian)(dian)(dian)極的(de)(de)塵粒電(dian)(dian)(dian)荷不易放(fang)出，在塵層之(zhi)間形成電(dian)(dian)(dian)壓(ya)梯度會產(chan)生局部(bu)擊穿和放(fang)電(dian)(dian)(dian)現象。這些(xie)情(qing)況都(dou)會造成除塵效率(lv)(lv)下降。

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(dian)壓需保持(chi)40一75kV乃(nai)至100kV以上(shang)。

工作原理

電(dian)(dian)除塵(chen)器的(de)基本原理是(shi)利用電(dian)(dian)力捕集(ji)煙氣中的(de)粉塵(chen)，主要包括以下四個相互有關的(de)物理過程：（1）氣體的(de)電(dian)(dian)離。（2）粉塵(chen)的(de)荷電(dian)(dian)。（3）荷電(dian)(dian)粉塵(chen)向電(dian)(dian)極移動(dong)。（4）荷電(dian)(dian)粉塵(chen)的(de)捕集(ji)。

荷(he)電(dian)(dian)(dian)(dian)(dian)粉(fen)塵(chen)(chen)的(de)(de)捕集過程(cheng)：在(zai)(zai)(zai)兩個(ge)曲率半徑相差較大的(de)(de)金屬陽極(ji)(ji)(ji)(ji)(ji)和(he)陰極(ji)(ji)(ji)(ji)(ji)上，通(tong)(tong)過高壓(ya)直流(liu)電(dian)(dian)(dian)(dian)(dian)，維持一(yi)個(ge)足以使氣體電(dian)(dian)(dian)(dian)(dian)離的(de)(de)電(dian)(dian)(dian)(dian)(dian)場(chang)(chang)，氣體電(dian)(dian)(dian)(dian)(dian)離后所產生(sheng)的(de)(de)電(dian)(dian)(dian)(dian)(dian)子：陰離子和(he)陽離子，吸(xi)附在(zai)(zai)(zai)通(tong)(tong)過電(dian)(dian)(dian)(dian)(dian)場(chang)(chang)的(de)(de)粉(fen)塵(chen)(chen)上，使粉(fen)塵(chen)(chen)獲得電(dian)(dian)(dian)(dian)(dian)荷(he)。荷(he)電(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)(ji)性不(bu)同的(de)(de)粉(fen)塵(chen)(chen)在(zai)(zai)(zai)電(dian)(dian)(dian)(dian)(dian)場(chang)(chang)力(li)的(de)(de)作用下，分別向(xiang)不(bu)同極(ji)(ji)(ji)(ji)(ji)性的(de)(de)電(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)(ji)運動，沉積在(zai)(zai)(zai)電(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)(ji)上，而達(da)到粉(fen)塵(chen)(chen)和(he)氣體分離的(de)(de)目的(de)(de)。

基本結構

靜電(dian)(dian)(dian)電(dian)(dian)(dian)除(chu)塵(chen)器(qi)由兩大部(bu)分組成：一部(bu)分是電(dian)(dian)(dian)除(chu)塵(chen)器(qi)本體系(xi)統(tong)(tong)；另一部(bu)分是提供(gong)(gong)高壓(ya)(ya)(ya)直流電(dian)(dian)(dian)的(de)供(gong)(gong)電(dian)(dian)(dian)裝置和低(di)壓(ya)(ya)(ya)自動控制系(xi)統(tong)(tong)。電(dian)(dian)(dian)除(chu)塵(chen)器(qi)的(de)結構(gou)原理圖(tu)(tu)如圖(tu)(tu)1所示，高壓(ya)(ya)(ya)供(gong)(gong)電(dian)(dian)(dian)系(xi)統(tong)(tong)為升(sheng)壓(ya)(ya)(ya)變壓(ya)(ya)(ya)器(qi)供(gong)(gong)電(dian)(dian)(dian)，除(chu)塵(chen)器(qi)集(ji)塵(chen)極接地。低(di)壓(ya)(ya)(ya)電(dian)(dian)(dian)控制系(xi)統(tong)(tong)用來控制電(dian)(dian)(dian)磁(ci)振打(da)錘(chui)、卸灰電(dian)(dian)(dian)極、輸(shu)灰電(dian)(dian)(dian)極以及幾個(ge)部(bu)件的(de)溫度。