電(dian)捕焦(jiao)油器中煤氣含氧量的安(an)全性分(fen)析

　煤氣(qi)生(sheng)產(chan)過(guo)程中產(chan)生(sheng)焦(jiao)油(you)(you)的一部分以(yi)極其微小的霧滴懸浮于煤氣(qi)中，其粒徑1～7μm。煤氣(qi)中的焦(jiao)油(you)(you)霧會在后(hou)續(xu)的煤氣(qi)凈化過(guo)程中被(bei)洗滌下來(lai)而進入溶(rong)液或吸附于管道(dao)和設備上，造成溶(rong)液污染、產(chan)品質量降低、設備及(ji)管道(dao)堵塞。

 電(dian)捕焦油(you)器的(de)安全操(cao)作要求 

   捕(bu)(bu)集煤(mei)(mei)氣(qi)中(zhong)焦(jiao)(jiao)油(you)(you)(you)(you)(you)霧(wu)的(de)設(she)備有機捕(bu)(bu)焦(jiao)(jiao)油(you)(you)(you)(you)(you)器和(he)電(dian)(dian)捕(bu)(bu)焦(jiao)(jiao)油(you)(you)(you)(you)(you)器兩種，我國目(mu)前主要采用(yong)(yong)電(dian)(dian)捕(bu)(bu)焦(jiao)(jiao)油(you)(you)(you)(you)(you)器捕(bu)(bu)集煤(mei)(mei)氣(qi)中(zhong)的(de)焦(jiao)(jiao)油(you)(you)(you)(you)(you)霧(wu)。電(dian)(dian)捕(bu)(bu)焦(jiao)(jiao)油(you)(you)(you)(you)(you)器按沉(chen)淀極的(de)結(jie)構可分為管式(shi)(shi)(shi)、蜂窩式(shi)(shi)(shi)、同心(xin)圓(yuan)式(shi)(shi)(shi)和(he)板式(shi)(shi)(shi)等類型。電(dian)(dian)捕(bu)(bu)焦(jiao)(jiao)油(you)(you)(you)(you)(you)器都(dou)是利用(yong)(yong)高壓(ya)靜電(dian)(dian)作(zuo)用(yong)(yong)下(xia)產生正負極，使煤(mei)(mei)氣(qi)中(zhong)的(de)焦(jiao)(jiao)油(you)(you)(you)(you)(you)霧(wu)在隨煤(mei)(mei)氣(qi)通(tong)過電(dian)(dian)捕(bu)(bu)焦(jiao)(jiao)油(you)(you)(you)(you)(you)器時，由(you)于受到(dao)高壓(ya)電(dian)(dian)場的(de)作(zuo)用(yong)(yong)被捕(bu)(bu)集下(xia)來。由(you)于煤(mei)(mei)氣(qi)易燃易爆(bao)，就(jiu)必須(xu)保證電(dian)(dian)捕(bu)(bu)焦(jiao)(jiao)油(you)(you)(you)(you)(you)器的(de)安全操作(zuo)。另外，電(dian)(dian)捕(bu)(bu)焦(jiao)(jiao)油(you)(you)(you)(you)(you)器電(dian)(dian)極間(jian)有電(dian)(dian)暈，可能(neng)會發(fa)生火花放電(dian)(dian)現象。如果煤(mei)(mei)氣(qi)中(zhong)混有氧氣(qi)，當煤(mei)(mei)氣(qi)與(yu)氧氣(qi)的(de)混合比例達到(dao)爆(bao)炸極限時就(jiu)會發(fa)生爆(bao)炸。

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