华能沁北电厂600MW机组启动过程演示

nullnullQinbei Power Station Start up Procedure 600MW Coal Firing Benson Boiler For referencenull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 @WS8.9Mpa2000rpm3000rpm25Mpa600MW180MW30MWMST 566C8.9Mpa,430-450CnullGCCPEcoW/WRoofCagePry SHSec SHTry SHPry RHSec RHIPHPLP316LPB361WSWSTKDea.BFPHP HTRLP HTRLP HTR凝汽器注水 凝补水CONDnullGCCPEcoW/WRoofCagePry SHSec SHTry SHPry RHSec RHIPHPLP316LPB361WSWSTKDea.BFPHP HTRLP HTRLP HTR 循环水系统启动CONDCWP 凝补水nullCONDCPGCEcoW/WRoofCagePry SHSec SHTry SHPry RHSec RHIPHPLP316LPB361WSWSTKDea.BFPHP HTRLP HTRLP HTR凝结水系统启动. 冲洗凝汽器nullCONDGCCPCCPEcoW/WRoofCagePry SHSec SHTry SHPry RHSec RHIPHPLP316LPB361WSWSTKDea.BFPHP HTRLP HTRLP HTR真空泵轴封建立之后启动真空泵 汽机建立真空nullCONDCPGCEcoW/WRoofCagePry SHSec SHTry SHPry RHSec RHIPHPLP316LPB361WSWSTKDea.BFPHP HTRLP HTRLP 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nullCONDGCCPEcoW/WRoofCagePry SHSec SHTry SHPry RHSec RHIPHPLP316LPB361WSWSTKDea.BFPHP HTRLP HTRLP HTR除氧器排水回收nullCONDGCCPCBPCCPEcoW/WRoofCagePry SHSec SHTry SHPry RHSec RHIPHPLP316LPB361WSWSTKDea.BFPHP HTRLP HTRLP 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 ppmnullCONDGCCPCBPCCPEcoW/WRoofCagePry SHSec SHTry SHPry RHSec RHIPHPLP高旁LPB361WSWSTKDea.BFPHP HTRLP HTRLP HTR高加再循环标准 高加出口 : 电导≦ 1 μs/cm Fe ≦ 100 ppb pH 9.3 ~ 9.5 炉前清洗结束nullCriteria Fe < 500 ppb or turbidity ≦ 3 ppm Oiliness ≦ 1 ppm pH ≦ 9.5 EcoCONDGCCPCBPCCPRoofCagePry SHSec SHTry SHPry RHSec RHIPHPLP316LPB361WSWSTKDea.BFPHP HTRLP HTRLP HTRBoiler filling up and blow.W/WEcoConfirm tank level for Boiler filling up completenullEcoCONDGCCPRoofCagePry SHSec SHTry SHPry RHSec RHIPHPLP316LPB361WSWSTKDea.BFPHP HTRLP HTRLP HTR锅炉冷态清洗W/WEco标准 省煤器入口 : 电导 ≦ 1 μs/cm Fe ≦ 100 ppb pH 9.3 ~ 9.5 nullFDFPAFIDFStackEPAHBoiler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 nullCONDCPRoofCagePry SHSec SHTry SHPry RHSec RHIPHPLP316LPB361WSWSTKDea.BFPHP HTRLP HTRLP HTRW/WEco GC锅炉点火 null冷态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 @WS8.9Mpa2000rpm3000rpm25Mpa600MW180MW30MWMST 566C8.9Mpa,430-450Cnull给水流量 25%给水流量 21%25%30%30MW180MW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90MW120MW给煤量566C冲车参数：8.9Mpa,MST 360C8.9Mpa,430-450C锅炉点火 nullCONDCPRoofCagePry SHSec SHTry SHPry RHSec RHIPHPLP316LPB361WSWSTKDea.BFPHP HTRLP HTRLP HTRW/WEcoGC锅炉点火点火要求 给水流量 21% 风量 35%, 炉膛压力 -600PanullCONDGCCPCBPRoofCagePry SHSec SHTry SHPry RHSec RHIPHPLP316LPB361WSWSTKDea.BFPHP HTRLP HTRLP HTRW/WEcoCCP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. RoofCagePry SHSec SHTry SHnullPry RHSec RHCONDCPRoofCagePry SHSec SHTry SHIPHPLP316LPB361WSWSTKDea.BFPHP HTRLP HTRLP HTRW/WEco GC热态清洗 保持分离器温度. 190C. 高旁开度 10%. 控制燃料量RoofCagePry SHSec SHTry SHPry RHSec RH热态冲洗结束标准 省煤器入口 : Fe ≦ 50 ppb null给水流量 25%给水流量 21%25%30%30MW180MW炉膛压力-100Pa-600Pa-100Pa30%35% 空气流量指令为 总风量的 35%8.9Mpa90MW120MW煤量566C调节级压力5.4Mpa,主汽温度 360C8.9Mpa,430-450C汽机启动 高旁开度nullCONDGCCPCBPRoofCagePry SHSec SHTry SHIPHPLP316LPB361WSWSTKDea.BFPHP HTRLP HTRLP HTRW/WEcoCCP汽机冲车要点 保持主汽参数. 温度 : 360 C 压力 : 8.9MpaRoofCagePry SHSec SHTry SHPry RHSec RHnullFDFPAFIDFStackEPAHBoiler磨煤机炉膛吹扫前启动风机>30% Air flow 一次风机启动nullCONDCPRoofCagePry SHSec SHTry SHIPHPLP316LPB361WSWSTKDea.BFPHP HTRLP HTRLP HTRW/WEcoRearFrontCBAEDFGC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 ，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。RoofCagePry SHSec SHTry SHPry RHSec RHnullCold　StartLight off burnerSteam to turbine Condition; 5.4Mpa,MST 360CSynchronizeHot clean upCold clean upPre-boiler clean upVacuum up1Mpa,190C @WS8.9Mpa2000rpm3000rpm25Mpa600MW180MW30MWMST 566C8.9Mpa,430-450CnullFeed water flow 25%Feed water flow 21%25%30%30MW180MWFurnace pressure-100Pa-600Pa-100PaTotal Air Flow30%35% Until air flow demand is above 35%8.9Mpa316 valve90MW120MWCoal flow566CCondition5.4Mpa,MST 360C8.9Mpa,430-450C发电机并网 nullCONDGCCPCBPRoofCagePry SHSec SHTry SHIPHPLP316LPB361WSWSTKDea.BFPHP HTRLP HTRLP HTRW/WEcoCCP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、暖第二台磨. 4、投入过热器减温水 RoofCagePry SHSec SHTry SHPry RHSec RHnullCONDGCCPCBPRoofCagePry SHSec SHTry SHIPHPLP316LPB361WSWSTKDea.BFPHP HTRLP HTRLP HTRW/WEcoCCP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.RoofCagePry SHSec SHTry SHPry RHSec RHSteam from turbinenullCONDGCCPCBPRoofCagePry SHSec SHTry SHIPHPLP316LPB361WSWSTKDea.BFPHP HTRLP HTRLP HTRW/WEcoCCP15% LoadCHECK POINT 316 valve will be closed at 15% load. MSP Control by turbine.RoofCagePry SHSec SHTry SHPry RHSec RHSteam from turbinenullCONDGCCPCBPRoofCagePry SHSec SHTry SHIPHPLP316LPB361WSWSTKDea.BFPHP HTRLP HTRLP HTRW/WEcoCCP20% LoadCHECK POINT 1st Pulv. In-service at 20% unit load (boiler heat input 25%BMCR) . Be careful for MST. And 3rd Pulv. warmingRoofCagePry SHSec SHTry SHPry RHSec RHSteam from turbinenullCONDGCCPCBPRoofCagePry SHSec SHTry SHIPHPLP316LPB361WSWSTKDea.BFPHP HTRLP HTRLP HTRW/WEcoCCPLoad up 20-30% Wet to Dry operationCHECK POINT 2nd Pulv. In-service at 25% load. Change Boiler operation mode.RoofCagePry SHSec SHTry SHPry RHSec RHSteam from turbinenullnullCONDCPRoofCagePry SHSec SHTry SHIPHPLP316LPB361WSWSTKDea.BFPHP HTRLP HTRLP HTRGCW/WEco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 load reaches 45%BMCR. Igniters shall be in-service.RoofCagePry SHSec SHTry SHPry RHSec RHSteam from turbinenull冷态启动Light off burnerSteam to turbine Condition; 5.4Mpa,MST 360CSynchronizeHot clean upCold clean upPre-boiler clean upVacuum up1Mpa,190C @WS8.9Mpa2000rpm3000rpm25Mpa600MW180MW30MWMST 566C8.9Mpa,430-450CnullCONDGCCPCBPRoofCagePry SHSec SHTry SHIPHPLP316LPB361WSWSTKDea.BFPHP HTRLP HTRLP HTRW/WEcoCCP发电机负荷由 50％升至100% 要点 1、投入第四台磨. 2、投入第五台磨.RoofCagePry SHSec SHTry SHPry RHSec RHSteam from turbinenullFDFPAFIDFStackEPAHPulverizer100% Load BoilerHPIPLPLP600MWnull600MW　(100%)　LoadThank　you