华能沁北电厂600MW机组启动过程演示.ppt

1、Qinbei Power Station Start up Procedure,600MW Coal Firing Benson Boiler,For reference,冷态启动,锅炉点火,汽机冲车 参数： 5.4Mpa,MST 360C,发电机并网,锅炉热态清洗,锅炉冷态清洗,炉前清洗,抽真空,1Mpa,190C WS,8.9Mpa,2000rpm,3000rpm,25Mpa,600MW,180MW,30MW,MST 566C,8.9Mpa,430-450C,GC,CP,Eco,W/W,Roof,Cage,Pry SH,Sec SH,Try SH,Pry RH,Sec RH,IP,HP,L

2、P,316,LPB,361,WS,WSTK,Dea.,BFP,HP HTR,LP HTR,LP HTR,凝汽器注水,凝补水,COND,GC,CP,Eco,W/W,Roof,Cage,Pry SH,Sec SH,Try SH,Pry RH,Sec RH,IP,HP,LP,316,LPB,361,WS,WSTK,Dea.,BFP,HP HTR,LP HTR,LP HTR,循环水系统启动,COND,CWP,凝补水,COND,CP,GC,Eco,W/W,Roof,Cage,Pry SH,Sec SH,Try SH,Pry RH,Sec RH,IP,HP,LP,316,LPB,361,WS,WSTK,D

3、ea.,BFP,HP HTR,LP HTR,LP HTR,凝结水系统启动. 冲洗凝汽器,COND,GC,CP,CCP,Eco,W/W,Roof,Cage,Pry SH,Sec SH,Try SH,Pry RH,Sec RH,IP,HP,LP,316,LPB,361,WS,WSTK,Dea.,BFP,HP HTR,LP HTR,LP HTR,真空泵,轴封建立之后启动真空泵 汽机建立真空,COND,CP,GC,Eco,W/W,Roof,Cage,Pry SH,Sec SH,Try SH,Pry RH,Sec RH,IP,HP,LP,316,LPB,361,WS,WSTK,Dea.,BFP,HP H

4、TR,LP HTR,LP HTR,除氧器冲洗,标准 冲洗除氧器到排水浊度小于 3 ppm,真空泵,COND,GC,CP,Eco,W/W,Roof,Cage,Pry SH,Sec SH,Try SH,Pry RH,Sec RH,IP,HP,LP,316,LPB,361,WS,WSTK,Dea.,BFP,HP HTR,LP HTR,LP HTR,除氧器排水回收,COND,GC,CP,CBP,CCP,Eco,W/W,Roof,Cage,Pry SH,Sec SH,Try SH,Pry RH,Sec RH,IP,HP,LP,316,LPB,361,WS,WSTK,Dea.,BFP,HP HTR,LP

5、HTR,LP HTR,启动汽泵前置泵 . 高加冲洗,标准 冲洗高加到排水浊度小于 3 ppm,COND,GC,CP,CBP,CCP,Eco,W/W,Roof,Cage,Pry SH,Sec SH,Try SH,Pry RH,Sec RH,IP,HP,LP,高旁,LPB,361,WS,WSTK,Dea.,BFP,HP HTR,LP HTR,LP HTR,高加再循环,标准 高加出口 : 电导 1 s/cm Fe 100 ppb pH 9.3 9.5,炉前清洗结束,Criteria Fe 500 ppb or turbidity 3 ppm Oiliness 1 ppm pH 9.5,Eco,CON

6、D,GC,CP,CBP,CCP,Roof,Cage,Pry SH,Sec SH,Try SH,Pry RH,Sec RH,IP,HP,LP,316,LPB,361,WS,WSTK,Dea.,BFP,HP HTR,LP HTR,LP HTR,Boiler filling up and blow.,W/W,Eco,Confirm tank level for Boiler filling up complete,Eco,COND,GC,CP,Roof,Cage,Pry SH,Sec SH,Try SH,Pry RH,Sec RH,IP,HP,LP,316,LPB,361,WS,WSTK,Dea.,

7、BFP,HP HTR,LP HTR,LP HTR,锅炉冷态清洗,W/W,Eco,标准 省煤器入口 : 电导 1 s/cm Fe 100 ppb pH 9.3 9.5,FDF,PAF,IDF,Stack,EP,AH,Boiler,磨煤机,炉膛吹扫,空预启动,引风机启动,送风机启动,炉膛吹扫前启动烟风系统,30% Air flow,锅炉点火,COND,CP,Roof,Cage,Pry SH,Sec SH,Try SH,Pry RH,Sec RH,IP,HP,LP,316,LPB,361,WS,WSTK,Dea.,BFP,HP HTR,LP HTR,LP HTR,W/W,Eco,GC,锅炉点火,冷态

8、启动,锅炉点火,汽机冲车 参数： 5.4Mpa,MST 360C,发电机并网,热态冲洗,冷态冲洗,炉前系统建立,真空系统建立,1Mpa,190C WS,8.9Mpa,2000rpm,3000rpm,25Mpa,600MW,180MW,30MW,MST 566C,8.9Mpa,430-450C,给水流量 25%,给水流量 21%,25%,30%,30MW,180MW,锅炉负压,-100Pa,-600Pa,-100Pa,炉膛风量,30%,35% 额定风量的35%,8.9Mpa,高旁开度,90MW,120MW,给煤量,566C,冲车参数：8.9Mpa,MST 360C,8.9Mpa,430-450C

9、,锅炉点火,COND,CP,Roof,Cage,Pry SH,Sec SH,Try SH,Pry RH,Sec RH,IP,HP,LP,316,LPB,361,WS,WSTK,Dea.,BFP,HP HTR,LP HTR,LP HTR,W/W,Eco,GC,锅炉点火,点火要求 给水流量 21% 风量 35%, 炉膛压力 -600Pa,COND,GC,CP,CBP,Roof,Cage,Pry SH,Sec SH,Try SH,Pry RH,Sec RH,IP,HP,LP,316,LPB,361,WS,WSTK,Dea.,BFP,HP HTR,LP HTR,LP HTR,W/W,Eco,CCP,锅

10、炉升温,要求 分离器温度以2C/min的速度升温至190C. 燃油压力小于 1Mpa 过剩空气系数保持 1.0.,Roof,Cage,Pry SH,Sec SH,Try SH,Pry RH,Sec RH,COND,CP,Roof,Cage,Pry SH,Sec SH,Try SH,IP,HP,LP,316,LPB,361,WS,WSTK,Dea.,BFP,HP HTR,LP HTR,LP HTR,W/W,Eco,GC,热态清洗,要点 保持分离器温度. 190C. 高旁开度 10%. 控制燃料量,Roof,Cage,Pry SH,Sec SH,Try SH,Pry RH,Sec RH,热态冲洗结

11、束标准 省煤器入口 : Fe 50 ppb,给水流量 25%,给水流量 21%,25%,30%,30MW,180MW,炉膛压力,-100Pa,-600Pa,-100Pa,30%,35% 空气流量指令为 总风量的 35%,8.9Mpa,90MW,120MW,煤量,566C,调节级压力5.4Mpa,主汽温度 360C,8.9Mpa,430-450C,汽机启动,高旁开度,COND,GC,CP,CBP,Roof,Cage,Pry SH,Sec SH,Try SH,IP,HP,LP,316,LPB,361,WS,WSTK,Dea.,BFP,HP HTR,LP HTR,LP HTR,W/W,Eco,CCP

12、,汽机冲车,要点 保持主汽参数. 温度 : 360 C 压力 : 8.9Mpa,Roof,Cage,Pry SH,Sec SH,Try SH,Pry RH,Sec RH,FDF,PAF,IDF,Stack,EP,AH,Boiler,磨煤机,炉膛吹扫前启动风机,30% Air flow,一次风机启动,COND,CP,Roof,Cage,Pry SH,Sec SH,Try SH,IP,HP,LP,316,LPB,361,WS,WSTK,Dea.,BFP,HP HTR,LP HTR,LP HTR,W/W,Eco,Rear,Front,C,B,A,E,D,F,GC,锅炉升压至 8.9Mpa,要点 注意

13、主汽温度。当汽机转速达3000rpm时要求汽机侧参数： 430C 、 8.9Mpa ，Be careful for MST , Tb side require when the Tb rotation reaches , therefore pressure has to be raised gradually. 控制燃料量使高旁开度保持在10-15%. 启动第一台磨煤机，暖磨。,Roof,Cage,Pry SH,Sec SH,Try SH,Pry RH,Sec RH,ColdStart,Light off burner,Steam to turbine Condition; 5.4Mpa,M

14、ST 360C,Synchronize,Hot clean up,Cold clean up,Pre-boiler clean up,Vacuum up,1Mpa,190C WS,8.9Mpa,2000rpm,3000rpm,25Mpa,600MW,180MW,30MW,MST 566C,8.9Mpa,430-450C,Feed water flow 25%,Feed water flow 21%,25%,30%,30MW,180MW,Furnace pressure,-100Pa,-600Pa,-100Pa,Total Air Flow,30%,35% Until air flow dema

15、nd is above 35%,8.9Mpa,316 valve,90MW,120MW,Coal flow,566C,Condition5.4Mpa,MST 360C,8.9Mpa,430-450C,发电机并网,COND,GC,CP,CBP,Roof,Cage,Pry SH,Sec SH,Try SH,IP,HP,LP,316,LPB,361,WS,WSTK,Dea.,BFP,HP HTR,LP HTR,LP HTR,W/W,Eco,CCP,发电机并网后带 5% 负荷,要点 1、注意主汽压力 , 通过控制燃料量维持高旁开度在10-15% 2、Add burner. 主汽疏水阀全关. 3、暖第二

16、台磨. 4、投入过热器减温水,Roof,Cage,Pry SH,Sec SH,Try SH,Pry RH,Sec RH,COND,GC,CP,CBP,Roof,Cage,Pry SH,Sec SH,Try SH,IP,HP,LP,316,LPB,361,WS,WSTK,Dea.,BFP,HP HTR,LP HTR,LP HTR,W/W,Eco,CCP,负荷由5 %升至15 %,要点 1、用高旁控制主汽压力维持不变，用燃料量控制高旁开度在10-15% . 2、高低加投入.,Roof,Cage,Pry SH,Sec SH,Try SH,Pry RH,Sec RH,Steam from turbin

17、e,COND,GC,CP,CBP,Roof,Cage,Pry SH,Sec SH,Try SH,IP,HP,LP,316,LPB,361,WS,WSTK,Dea.,BFP,HP HTR,LP HTR,LP HTR,W/W,Eco,CCP,15% Load,CHECK POINT 316 valve will be closed at 15% load. MSP Control by turbine.,Roof,Cage,Pry SH,Sec SH,Try SH,Pry RH,Sec RH,Steam from turbine,COND,GC,CP,CBP,Roof,Cage,Pry SH,Se

18、c SH,Try SH,IP,HP,LP,316,LPB,361,WS,WSTK,Dea.,BFP,HP HTR,LP HTR,LP HTR,W/W,Eco,CCP,20% Load,CHECK POINT 1st Pulv. In-service at 20% unit load (boiler heat input 25%BMCR) . Be careful for MST. And 3rd Pulv. warming,Roof,Cage,Pry SH,Sec SH,Try SH,Pry RH,Sec RH,Steam from turbine,COND,GC,CP,CBP,Roof,Ca

19、ge,Pry SH,Sec SH,Try SH,IP,HP,LP,316,LPB,361,WS,WSTK,Dea.,BFP,HP HTR,LP HTR,LP HTR,W/W,Eco,CCP,Load up 20-30% Wet to Dry operation,CHECK POINT 2nd Pulv. In-service at 25% load. Change Boiler operation mode.,Roof,Cage,Pry SH,Sec SH,Try SH,Pry RH,Sec RH,Steam from turbine,COND,CP,Roof,Cage,Pry SH,Sec SH,Try SH,IP,HP,LP,316,LPB,361,WS,WSTK,Dea.,BFP,HP HTR,LP HTR,LP HTR,GC,W/W,Eco,发电机负荷由 30升至50%,要点 1、投入第二台给水泵. 2、投入第三台磨煤机. Extinguish oil burners after boiler