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脱硫增压风机故障

来源:      2018-5-19 14:58:40      点击:

故障现象:1、脱硫(liu)增(zeng)压风机跳闸声(sheng)光报(bao)警(jing)发出。2、脱硫(liu)增(zeng)压风机指示灯熄,黄灯亮,电机停止(zhi)转动。3、脱硫(liu)旁路挡板(ban)、吸收塔(ta)通风挡板(ban)自动开启,进出口烟(yan)气(qi)挡板(ban)自动关闭。4、若给浆系统投自动时,连锁停止(zhi)给浆。

产生(sheng)原(yuan)因分析:1、事故按(an)钮(niu)按(an)下。2、脱(tuo)硫(liu)增(zeng)压(ya)风(feng)机(ji)(ji)(ji)失电(dian)。3、吸收塔再循环泵全停。4、脱(tuo)硫(liu)装置(zhi)压(ya)损过(guo)大或进出口烟(yan)(yan)气挡板开启不到(dao)位(wei)。5、增(zeng)压(ya)风(feng)机(ji)(ji)(ji)轴承温(wen)度(du)过(guo)高。6、电(dian)机(ji)(ji)(ji)轴承温(wen)度(du)过(guo)高。7、电(dian)机(ji)(ji)(ji)线(xian)圈温(wen)度(du)过(guo)高。8、风(feng)机(ji)(ji)(ji)轴承振动(dong)过(guo)大。9、电(dian)气故障(过(guo)负荷、过(guo)流保(bao)护(hu)、差动(dong)保(bao)护(hu)动(dong)作)。10、增(zeng)压(ya)风(feng)机(ji)(ji)(ji)发生(sheng)喘振。11、热烟(yan)(yan)气中(zhong)含尘量过(guo)大。12、锅炉负荷过(guo)低。

处(chu)理(li)(li)方法:1、确(que)认脱硫旁挡(dang)板(ban)、吸收塔通风(feng)(feng)(feng)挡(dang)板(ban)自动(dong)(dong)(dong)启动(dong)(dong)(dong),进出(chu)口(kou)烟气(qi)挡(dang)板(ban)自动(dong)(dong)(dong)关闭,若(ruo)连锁不(bu)良应手动(dong)(dong)(dong)处(chu)理(li)(li)。2、检查(cha)增压风(feng)(feng)(feng)机跳闸原(yuan)因,若(ruo)属连锁动(dong)(dong)(dong)作(zuo)造成。应待系(xi)统恢(hui)复正常后,方可重新启动(dong)(dong)(dong)。3、若(ruo)属风(feng)(feng)(feng)机设备故(gu)障(zhang)造成,应及时(shi)(shi)汇报值长(zhang)及分场,联(lian)系(xi)检修(xiu)人员(yuan)处(chu)理(li)(li)。在故(gu)障(zhang)未(wei)查(cha)实处(chu)理(li)(li)完毕(bi)之前,严禁(jin)从新启动(dong)(dong)(dong)风(feng)(feng)(feng)机。4、若(ruo)短时(shi)(shi)间内不(bu)能(neng)恢(hui)复运行,按短时(shi)(shi)停机的(de)规定处(chu)理(li)(li)。