阿拉善盟靜電除塵器廠家

靜電除塵器的(de)工作(zuo)原理是(shi)利(li)用(yong)高壓(ya)電場使煙氣發生電離，氣流中的(de)粉塵荷電在電場作(zuo)用(yong)下與氣流分(fen)離。負極(ji)由不同斷面形狀的(de)金(jin)屬導線制成(cheng)，叫放電電極(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)性能受粉塵(chen)(chen)(chen)性質、設備構造和煙氣流速等三個(ge)因素的(de)影(ying)響(xiang)。粉塵(chen)(chen)(chen)的(de)比(bi)電(dian)阻(zu)是(shi)評價導電(dian)性的(de)指(zhi)標(biao)，它對除塵(chen)(chen)(chen)效率有直接的(de)影(ying)響(xiang)。比(bi)電(dian)阻(zu)過低，塵(chen)(chen)(chen)粒(li)難以(yi)保持在(zai)集塵(chen)(chen)(chen)電(dian)極上，致使其重返氣流。比(bi)電(dian)阻(zu)過高，到達集塵(chen)(chen)(chen)電(dian)極的(de)塵(chen)(chen)(chen)粒(li)電(dian)荷不易(yi)放(fang)出，在(zai)塵(chen)(chen)(chen)層(ceng)之間形(xing)成電(dian)壓(ya)梯度會產生局部擊穿和放(fang)電(dian)現(xian)象。這些情況(kuang)都(dou)會造成除塵(chen)(chen)(chen)效率下(xia)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，靜電除塵器運行電壓需保(bao)持(chi)40一75kV乃至100kV以上。

工作原理

電(dian)(dian)(dian)除塵(chen)器(qi)的基(ji)本原理是利(li)用(yong)電(dian)(dian)(dian)力捕(bu)集煙氣(qi)中的粉(fen)塵(chen)，主(zhu)要包(bao)括以下四個相(xiang)互有(you)關的物理過程(cheng)：（1）氣(qi)體的電(dian)(dian)(dian)離。（2）粉(fen)塵(chen)的荷(he)(he)電(dian)(dian)(dian)。（3）荷(he)(he)電(dian)(dian)(dian)粉(fen)塵(chen)向電(dian)(dian)(dian)極移(yi)動(dong)。（4）荷(he)(he)電(dian)(dian)(dian)粉(fen)塵(chen)的捕(bu)集。

荷電(dian)(dian)(dian)(dian)(dian)粉塵(chen)(chen)(chen)的捕集過(guo)程：在(zai)兩(liang)個曲率(lv)半徑(jing)相(xiang)差較大的金(jin)屬陽極(ji)(ji)(ji)(ji)和(he)陰極(ji)(ji)(ji)(ji)上(shang)(shang)，通(tong)過(guo)高壓直流電(dian)(dian)(dian)(dian)(dian)，維持一個足以使(shi)氣體電(dian)(dian)(dian)(dian)(dian)離的電(dian)(dian)(dian)(dian)(dian)場，氣體電(dian)(dian)(dian)(dian)(dian)離后所產生(sheng)的電(dian)(dian)(dian)(dian)(dian)子：陰離子和(he)陽離子，吸(xi)附在(zai)通(tong)過(guo)電(dian)(dian)(dian)(dian)(dian)場的粉塵(chen)(chen)(chen)上(shang)(shang)，使(shi)粉塵(chen)(chen)(chen)獲得電(dian)(dian)(dian)(dian)(dian)荷。荷電(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)性不(bu)同(tong)的粉塵(chen)(chen)(chen)在(zai)電(dian)(dian)(dian)(dian)(dian)場力的作用下，分別向不(bu)同(tong)極(ji)(ji)(ji)(ji)性的電(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)運(yun)動(dong)，沉(chen)積在(zai)電(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)上(shang)(shang)，而達到(dao)粉塵(chen)(chen)(chen)和(he)氣體分離的目的。

基本結構

靜(jing)電(dian)(dian)電(dian)(dian)除塵器由(you)兩大部分組(zu)成：一部分是電(dian)(dian)除塵器本體系統(tong)；另一部分是提供(gong)(gong)高壓(ya)直(zhi)流電(dian)(dian)的供(gong)(gong)電(dian)(dian)裝(zhuang)置(zhi)和(he)低壓(ya)自動(dong)控(kong)(kong)(kong)制系統(tong)。電(dian)(dian)除塵器的結構(gou)原理圖如圖1所示，高壓(ya)供(gong)(gong)電(dian)(dian)系統(tong)為(wei)升壓(ya)變壓(ya)器供(gong)(gong)電(dian)(dian)，除塵器集(ji)塵極(ji)接地(di)。低壓(ya)電(dian)(dian)控(kong)(kong)(kong)制系統(tong)用來控(kong)(kong)(kong)制電(dian)(dian)磁(ci)振打錘、卸灰(hui)電(dian)(dian)極(ji)、輸(shu)灰(hui)電(dian)(dian)極(ji)以及幾個部件(jian)的溫度。