鹽城靜電除塵器廠家

靜電除塵器的工作原理是利(li)用(yong)高壓電場使(shi)煙氣發生電離，氣流(liu)中的粉塵荷電在電場作用(yong)下(xia)與氣流(liu)分(fen)離。負極(ji)由(you)不同斷面形狀的金屬導線(xian)制成，叫放(fang)電電極(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(xing)能受粉塵性(xing)質、設備構造和(he)煙氣流速等三個因素的(de)(de)影響(xiang)。粉塵的(de)(de)比電(dian)阻(zu)是評價(jia)導電(dian)性(xing)的(de)(de)指(zhi)標，它對除塵效率(lv)有直接的(de)(de)影響(xiang)。比電(dian)阻(zu)過(guo)低(di)，塵粒(li)難(nan)以保(bao)持在集塵電(dian)極上，致使其重(zhong)返氣流。比電(dian)阻(zu)過(guo)高，到達(da)集塵電(dian)極的(de)(de)塵粒(li)電(dian)荷不(bu)易(yi)放出，在塵層之間(jian)形成(cheng)電(dian)壓梯度會產生局部擊(ji)穿和(he)放電(dian)現(xian)象。這些情況都會造成(cheng)除塵效率(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(xing)電壓(ya)需(xu)保持40一75kV乃至(zhi)100kV以上。

工作原理

電(dian)除塵(chen)(chen)器的(de)基本原(yuan)理是(shi)利(li)用電(dian)力捕(bu)(bu)集煙氣中的(de)粉(fen)塵(chen)(chen)，主要包括(kuo)以下(xia)四個相互有關的(de)物理過程(cheng)：（1）氣體的(de)電(dian)離。（2）粉(fen)塵(chen)(chen)的(de)荷電(dian)。（3）荷電(dian)粉(fen)塵(chen)(chen)向電(dian)極移動。（4）荷電(dian)粉(fen)塵(chen)(chen)的(de)捕(bu)(bu)集。

荷(he)電(dian)(dian)(dian)粉(fen)塵(chen)(chen)的(de)(de)(de)捕(bu)集過(guo)程：在(zai)兩個曲率半徑相差較大的(de)(de)(de)金屬陽極和陰(yin)(yin)極上(shang)，通過(guo)高壓直流(liu)電(dian)(dian)(dian)，維持一(yi)個足(zu)以使(shi)氣體電(dian)(dian)(dian)離(li)(li)(li)的(de)(de)(de)電(dian)(dian)(dian)場，氣體電(dian)(dian)(dian)離(li)(li)(li)后所產生的(de)(de)(de)電(dian)(dian)(dian)子(zi)(zi)：陰(yin)(yin)離(li)(li)(li)子(zi)(zi)和陽離(li)(li)(li)子(zi)(zi)，吸附在(zai)通過(guo)電(dian)(dian)(dian)場的(de)(de)(de)粉(fen)塵(chen)(chen)上(shang)，使(shi)粉(fen)塵(chen)(chen)獲得電(dian)(dian)(dian)荷(he)。荷(he)電(dian)(dian)(dian)極性(xing)不(bu)同的(de)(de)(de)粉(fen)塵(chen)(chen)在(zai)電(dian)(dian)(dian)場力的(de)(de)(de)作用(yong)下(xia)，分別向不(bu)同極性(xing)的(de)(de)(de)電(dian)(dian)(dian)極運動，沉積在(zai)電(dian)(dian)(dian)極上(shang)，而達到粉(fen)塵(chen)(chen)和氣體分離(li)(li)(li)的(de)(de)(de)目(mu)的(de)(de)(de)。

基本結構

靜電(dian)(dian)(dian)電(dian)(dian)(dian)除(chu)塵(chen)(chen)器(qi)(qi)由兩大(da)部(bu)(bu)分組成：一(yi)部(bu)(bu)分是(shi)(shi)電(dian)(dian)(dian)除(chu)塵(chen)(chen)器(qi)(qi)本體系(xi)統(tong)(tong)；另(ling)一(yi)部(bu)(bu)分是(shi)(shi)提供(gong)(gong)高壓(ya)(ya)(ya)直流電(dian)(dian)(dian)的供(gong)(gong)電(dian)(dian)(dian)裝置和低壓(ya)(ya)(ya)自動控(kong)制系(xi)統(tong)(tong)。電(dian)(dian)(dian)除(chu)塵(chen)(chen)器(qi)(qi)的結構原理圖如圖1所示(shi)，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)(qi)供(gong)(gong)電(dian)(dian)(dian)，除(chu)塵(chen)(chen)器(qi)(qi)集(ji)塵(chen)(chen)極接地。低壓(ya)(ya)(ya)電(dian)(dian)(dian)控(kong)制系(xi)統(tong)(tong)用來(lai)控(kong)制電(dian)(dian)(dian)磁(ci)振(zhen)打錘(chui)、卸灰(hui)電(dian)(dian)(dian)極、輸灰(hui)電(dian)(dian)(dian)極以及幾個部(bu)(bu)件的溫度。