华能沁北电厂600MW机组启动过程演示.ppt

QinbeiPowerStationStartupProcedure,600MWCoalFiringBensonBoiler,Forreference,冷态启动,锅炉点火,汽机冲车参数：5.4Mpa,MST360C,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,190CWS,8.9Mpa,2000rpm,3000rpm,25Mpa,600MW,180MW,30MW,MST566C,8.9Mpa,430-450C,GC,CP,Eco,W/W,Roof,Cage,PrySH,SecSH,TrySH,PryRH,SecRH,IP,HP,LP,316,LPB,361,WS,WSTK,Dea.,BFP,HPHTR,LPHTR,LPHTR,凝汽器注水,凝补水,COND,GC,CP,Eco,W/W,Roof,Cage,PrySH,SecSH,TrySH,PryRH,SecRH,IP,HP,LP,316,LPB,361,WS,WSTK,Dea.,BFP,HPHTR,LPHTR,LPHTR,循环水系统启动,COND,CWP,凝补水,COND,CP,GC,Eco,W/W,Roof,Cage,PrySH,SecSH,TrySH,PryRH,SecRH,IP,HP,LP,316,LPB,361,WS,WSTK,Dea.,BFP,HPHTR,LPHTR,LPHTR,凝结水系统启动.冲洗凝汽器,COND,GC,CP,CCP,Eco,W/W,Roof,Cage,PrySH,SecSH,TrySH,PryRH,SecRH,IP,HP,LP,316,LPB,361,WS,WSTK,Dea.,BFP,HPHTR,LPHTR,LPHTR,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,PrySH,SecSH,TrySH,PryRH,SecRH,IP,HP,LP,316,LPB,361,WS,WSTK,Dea.,BFP,HPHTR,LPHTR,LPHTR,除氧器冲洗,标准冲洗除氧器到排水浊度小于3ppm,真空泵,COND,GC,CP,Eco,W/W,Roof,Cage,PrySH,SecSH,TrySH,PryRH,SecRH,IP,HP,LP,316,LPB,361,WS,WSTK,Dea.,BFP,HPHTR,LPHTR,LPHTR,除氧器排水回收,COND,GC,CP,CBP,CCP,Eco,W/W,Roof,Cage,PrySH,SecSH,TrySH,PryRH,SecRH,IP,HP,LP,316,LPB,361,WS,WSTK,Dea.,BFP,HPHTR,LPHTR,LPHTR,启动汽泵前置泵.高加冲洗,标准冲洗高加到排水浊度小于3ppm,COND,GC,CP,CBP,CCP,Eco,W/W,Roof,Cage,PrySH,SecSH,TrySH,PryRH,SecRH,IP,HP,LP,高旁,LPB,361,WS,WSTK,Dea.,BFP,HPHTR,LPHTR,LPHTR,高加再循环,标准高加出口:电导1s/cmFe100ppbpH9.39.5,炉前清洗结束,CriteriaFe30%Airflow,锅炉点火,COND,CP,Roof,Cage,PrySH,SecSH,TrySH,PryRH,SecRH,IP,HP,LP,316,LPB,361,WS,WSTK,Dea.,BFP,HPHTR,LPHTR,LPHTR,W/W,Eco,GC,锅炉点火,冷态启动,锅炉点火,汽机冲车参数：5.4Mpa,MST360C,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,190CWS,8.9Mpa,2000rpm,3000rpm,25Mpa,600MW,180MW,30MW,MST566C,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,MST360C,8.9Mpa,430-450C,锅炉点火,COND,CP,Roof,Cage,PrySH,SecSH,TrySH,PryRH,SecRH,IP,HP,LP,316,LPB,361,WS,WSTK,Dea.,BFP,HPHTR,LPHTR,LPHTR,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,PrySH,SecSH,TrySH,PryRH,SecRH,IP,HP,LP,316,LPB,361,WS,WSTK,Dea.,BFP,HPHTR,LPHTR,LPHTR,W/W,Eco,CCP,锅炉升温,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,PrySH,SecSH,TrySH,PryRH,SecRH,COND,CP,Roof,Cage,PrySH,SecSH,TrySH,IP,HP,LP,316,LPB,361,WS,WSTK,Dea.,BFP,HPHTR,LPHTR,LPHTR,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,PrySH,SecSH,TrySH,PryRH,SecRH,热态冲洗结束标准省煤器入口:Fe50ppb,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,PrySH,SecSH,TrySH,IP,HP,LP,316,LPB,361,WS,WSTK,Dea.,BFP,HPHTR,LPHTR,LPHTR,W/W,Eco,CCP,汽机冲车,要点保持主汽参数.温度:360C压力:8.9Mpa,Roof,Cage,PrySH,SecSH,TrySH,PryRH,SecRH,FDF,PAF,IDF,Stack,EP,AH,Boiler,磨煤机,炉膛吹扫前启动风机,30%Airflow,一次风机启动,COND,CP,Roof,Cage,PrySH,SecSH,TrySH,IP,HP,LP,316,LPB,361,WS,WSTK,Dea.,BFP,HPHTR,LPHTR,LPHTR,W/W,Eco,Rear,Front,C,B,A,E,D,F,GC,锅炉升压至8.9Mpa,要点注意主汽温度。当汽机转速达3000rpm时要求汽机侧参数：430C、8.9Mpa，BecarefulforMST,TbsiderequirewhentheTbrotationreaches,thereforepressurehastoberaisedgradually.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,PrySH,SecSH,TrySH,PryRH,SecRH,ColdStart,Lightoffburner,SteamtoturbineCondition;5.4Mpa,MST360C,Synchronize,Hotcleanup,Coldcleanup,Pre-boilercleanup,Vacuumup,1Mpa,190CWS,8.9Mpa,2000rpm,3000rpm,25Mpa,600MW,180MW,30MW,MST566C,8.9Mpa,430-450C,Feedwaterflow25%,Feedwaterflow21%,25%,30%,30MW,180MW,Furnacepressure,-100Pa,-600Pa,-100Pa,TotalAirFlow,30%,35%Untilairflowdemandisabove35%,8.9Mpa,316valve,90MW,120MW,Coalflow,566C,Condition5.4Mpa,MST360C,8.9Mpa,430-450C,发电机并网,COND,GC,CP,CBP,Roof,Cage,PrySH,SecSH,TrySH,IP,HP,LP,316,LPB,361,WS,WSTK,Dea.,BFP,HPHTR,LPHTR,LPHTR,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、Addburner.主汽疏水阀全关.3、暖第二台磨.4、投入过热器减温水,Roof,Cage,PrySH,SecSH,TrySH,PryRH,SecRH,COND,GC,CP,CBP,Roof,Cage,PrySH,SecSH,TrySH,IP,HP,LP,316,LPB,361,WS,WSTK,Dea.,BFP,HPHTR,LPHTR,LPHTR,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,PrySH,SecSH,TrySH,PryRH,SecRH,Steamfromturbine,COND,GC,CP,CBP,Roof,Cage,PrySH,SecSH,TrySH,IP,HP,LP,316,LPB,361,WS,WSTK,Dea.,BFP,HPHTR,LPHTR,LPHTR,W/W,Eco,CCP,15%Load,CHECKPOINT316valvewillbeclosedat15%load.MSPControlbyturbine.,Roof,Cage,PrySH,SecSH,TrySH,PryRH,SecRH,Steamfromturbine,COND,GC,CP,CBP,Roof,Cage,PrySH,SecSH,TrySH,IP,HP,LP,316,LPB,361,WS,WSTK,Dea.,BFP,HPHTR,LPHTR,LPHTR,W/W,Eco,CCP,20%Load,CHECKPOINT1stPulv.In-serviceat20%unitload(boilerheatinput25%BMCR).BecarefulforMST.And3rdPulv.warming,Roof,Cage,PrySH,SecSH,TrySH,PryRH,SecRH,Steamfromturbine,COND,GC,CP,CBP,Roof,Cage,PrySH,SecSH,TrySH,IP,HP,LP,316,LPB,361,WS,WSTK,Dea.,BFP,HPHTR,LPHTR,LPHTR,W/W,Eco,CCP,Loadup20-30%WettoDryoperation,CHECKPOINT2ndPulv.In-serviceat25%load.ChangeBoileroperationmode.,Roof,Cage,PrySH,SecSH,TrySH,PryRH,SecRH,Steamfromturbine,COND,CP,Roof,Cage,PrySH,SecSH,TrySH,IP,HP,LP,316,LPB,361,WS,WSTK,Dea.,BFP,HPHTR,LPHTR,LPHTR,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.Extinguishoilburnersafterboilerloadreaches45%BMCR.Ignitersshallbein-service.,Roof,Cage,PrySH,SecSH,TrySH,PryRH,SecRH,Steamfromturbine,冷态启动,Lightoffburner,SteamtoturbineCondition;5.4Mpa,MST360C,Synchronize,Hotcleanup,Coldcleanup,Pre-boilercleanup,Vacuumup,1Mpa,190CWS,8.9Mpa,2000rpm,3000rpm,25Mpa,600MW,180MW,30MW,MST566C,8.9Mpa,430-450C,COND,GC,CP,CBP,Roof,Ca