焙烧炉(lu)(lu)烟(yan)(yan)气静电(dian)(dian)除(chu)尘(chen)工艺配置：来自焙烧炉(lu)(lu)的(de)高(gao)温烟(yan)(yan)气首先进入(ru)蒸发冷却(que)塔(ta)进行喷雾降温，其目的(de)在于降低烟(yan)(yan)气的(de)比(bi)电(dian)(dian)阻,将(jiang)一(yi)部分气态(tai)焦油(you)(you)冷凝成液态(tai)焦油(you)(you)，控制(zhi)烟(yan)(yan)气的(de)温度(du)在 90±5℃,使静电(dian)(dian)除(chu)尘(chen)器的(de)净化效(xiao)率达到(dao)最佳。冷却(que)后的(de)烟(yan)(yan)气经静电(dian)(dian)除(chu)尘(chen)器净化后，通过引风机(ji)送(song)入(ru)烟(yan)(yan)囱(cong)排(pai)人大气。电(dian)(dian)捕焦油(you)(you)器捕集下(xia)来的(de)焦油(you)(you)，经排(pai)放口定期排(pai)入(ru)贮油(you)(you)罐内。

静(jing)电(dian)除(chu)尘(chen)系(xi)(xi)统(tong)通(tong)常设置三条(tiao)(tiao)烟(yan)(yan)(yan)(yan)气(qi)(qi)(qi)(qi)通(tong)道(dao)(dao)：正常运行时,焙(bei)烧炉(lu)出(chu)口烟(yan)(yan)(yan)(yan)气(qi)(qi)(qi)(qi)温(wen)度(du)小于(yu)(yu) 250℃，烟(yan)(yan)(yan)(yan)气(qi)(qi)(qi)(qi)通(tong)过喷(pen)雾冷却(que)(que)塔(ta)使温(wen)度(du)降低到(dao) 90+5℃后(hou)进入(ru)(ru)电(dian)捕(bu)(bu)，净化后(hou)的(de)烟(yan)(yan)(yan)(yan)气(qi)(qi)(qi)(qi)经(jing)排(pai)烟(yan)(yan)(yan)(yan)机(ji)(ji)和烟(yan)(yan)(yan)(yan)囱(cong)排(pai)入(ru)(ru)大(da)气(qi)(qi)(qi)(qi)。冷却(que)(que)系(xi)(xi)统(tong)或(huo)电(dian)捕(bu)(bu)检修时，烟(yan)(yan)(yan)(yan)气(qi)(qi)(qi)(qi)经(jing)旁(pang)通(tong)烟(yan)(yan)(yan)(yan)道(dao)(dao)由(you)排(pai)烟(yan)(yan)(yan)(yan)机(ji)(ji)引入(ru)(ru)烟(yan)(yan)(yan)(yan)囱(cong)后(hou)排(pai)入(ru)(ru)大(da)气(qi)(qi)(qi)(qi)，此时关(guan)闭(bi)去冷却(que)(que)塔(ta)的(de)烟(yan)(yan)(yan)(yan)道(dao)(dao)阀(fa)门(men)、电(dian)捕(bu)(bu)与风机(ji)(ji)间的(de)阀(fa)门(men)以及直(zhi)接(jie)通(tong)往(wang)烟(yan)(yan)(yan)(yan)囱(cong)的(de)烟(yan)(yan)(yan)(yan)道(dao)(dao)阀(fa)门(men)。当烟(yan)(yan)(yan)(yan)气(qi)(qi)(qi)(qi)温(wen)度(du)高(gao)于(yu)(yu) 250℃、风机(ji)(ji)检修或(huo)烟(yan)(yan)(yan)(yan)道(dao)(dao)着火时，烟(yan)(yan)(yan)(yan)气(qi)(qi)(qi)(qi)直(zhi)接(jie)通(tong)过烟(yan)(yan)(yan)(yan)囱(cong)排(pai)入(ru)(ru)大(da)气(qi)(qi)(qi)(qi)，关(guan)闭(bi)通(tong)往(wang)冷却(que)(que)塔(ta)和旁(pang)通(tong)风机(ji)(ji)的(de)阀(fa)门(men)。上述烟(yan)(yan)(yan)(yan)道(dao)(dao)阀(fa)门(men)的(de)开启与关(guan)闭(bi)，均通(tong)过自动(dong)控制系(xi)(xi)统(tong)，由(you)电(dian)动(dong)或(huo)启动(dong)执行机(ji)(ji)构自动(dong)执行。温(wen)度(du)信号(hao)是由(you)设在冷却(que)(que)塔(ta)入(ru)(ru)口及出(chu)口、两(liang)条(tiao)(tiao)副烟(yan)(yan)(yan)(yan)道(dao)(dao)阀(fa)门(men)前、电(dian)捕(bu)(bu)内的(de)热电(dian)偶采集(ji)，当焙(bei)烧炉(lu)出(chu)口烟(yan)(yan)(yan)(yan)气(qi)(qi)(qi)(qi)温(wen)度(du)高(gao)于(yu)(yu) 250℃或(huo)低于(yu)(yu) 90℃时，系(xi)(xi)统(tong)会发出(chu)报警信号(hao)。