燃用韩国烟煤的20OMWe流化床机组(Tonghae)运行经验-英文

KEPRIICEE2005OperatingExperienceofthe200MWTonghaeCFBPlantUsingKoreanAnthraciteCombustion&ThermalEngineeringGroupPowerGenerationLaboratory,KEPRI,KEPCOJae-SungKim,Jong-MinLee,Dong-WonKimJuly10~14,Kunming,ChinaKEPRIICEE2005Contents(2/22)IntroductionTonghaeCFBBoilerCharacteristicsofKoreanAnthraciteInitialExperienceoftheBoilerandSystemModificationCurrentStatusoftheTonghaeCFBBoilerWorkforFBACStableFluidizationConclusionKEPRIICEE2005Introduction(3/22)ElectricPower[MW]050001000015000200002500030000NuclearCoal-firedLNG-firedOil-firedHydro20032005201020152017YearYear'04'05'06'07'08'09'10'11'12'13'14'15CoalConsumption[thousandton]020000400006000080000bituminouscoalanthracitecoalNeedtoactivateadomesticcoalindustryElectricPowerGenerationCapacitywithEnergySourceConsumptionofImportedandDomesticCoalforPowerGenerationTonghaeCirculatingFluidizedBedBoiler-ElectricPowerGeneration:1,2units–200MWe(693Steamt/h)-UsingKoreanAnthracite-TheFirstandLargestCFBboilerusingLowQualityCoalKEPRIICEE2005PlanoftheTonghaeThermalPowerPlantCFB(4/22)Unit##1Unit#2UnitStartEngineering1994.121994.12StartSiteExcavation1995.21996.4StartSteamGenerator1995.101996.12SteelErectionInitialFiring1997.101999.3Synchronization1998.11999.7CommercialOperation1998.101999.10ParticipantsintheTonghaeCFBProjectKEPCO:EndUser-(KoreaEast-WestPowerCo.)KOPEC:ProjectArchitecturalDesignABB-CE:BasicDesignDOOSAN:BoilerEquipmentFabricationandProcurementKEPRIICEE2005CommercialCFBBoilerLocationinKorea(5/22)Company(Location)CategoryCapacity(MW)Steam(T/H)FuelStartSupplierOrientalChemical(Inchon)Chemical12.5120Bitu.Coal,Pet.Coke1985Hyundai/AhlstromSunkyung(Suwon)Textile-130Bitu.Coal1988“Sunkyung(Ulsan)Textile27200Bitu.Coal,Pet.Coke1989“HyundaiOil(Susan)Refinery-120Pet.Coke1989“LGChemical(Yochon)Chemicals25210Bitu.Coal1989“PetrochemicalServiceCo(Ulsan)Cogen.-250Bitu.Coal,Pet.Coke1990“SunilGlucose(Inchon)Food9.260Bitu.Coal,HeavyOil1991“DyeingComplex(Daegu)Dye54.1130x3Bitu.Coal1986Samsung/BabcockJeilSugar(Seoul)Food5.440Bitu.Coal1988“HansolPaper(Jeunju)Paper23130Bitu.Coal1990“DyeingComplex(Pusan)Dye-80Bitu.Coal,HeavyOil1991Daewoo/B&WKoreaEnergy(Ulsan)Metal43.5175Bitu.Coal1991Hanjung/LurgiKEPCO(Tonghae#1,#2)Electricity200x2693Anthracite1998Hanjung/ABB-CEKumHoPetrochemical(Yochon)Dye-304.5Sub.Bitu.Coal2003HyundaiDaeGuDyeingComplex(DaeGu)Chemical-160Bitu.Coal2004HyundaiTonghaeCFBBoiler200X2MWeUlsanSusanInchonSuwonDaeguYochonJeunjuCFBBoilerinKoreaByLeePusanKEPRIICEE2005CompleteViewoftheTonghaePowerPlant(6/22)•MainOffice•CFBPowerBlock•AshPond•IndoorCoalYardKEPRIICEE2005PowerGenerationProcessoftheTonghaeCFB(7/22)KEPRIICEE2005TonghaeCFBboiler(8/22)Type-CFB,Indoor-NaturalCirculation-BalancedDraftSystemLeadingSpecification-SteamFlow:693T/H-Max.OperatingP@T:169.6kg/cm2,541oCEmissionControl-SO2(O2:6%):150ppm-NOx(O2:6%):350ppmAshDistribution-FlyAsh:50%-BottomAsh:50%RectangularFurnaceDesign-Morethan2:1AspectRatio:toAllowforGoodFuelMixing-Size:32m(H)x19m(W)x7m(L)-Start-upBurner(SideWall):4-LanceBurner:Side-2,Rear-3KEPRIICEE2005CirculatingFluidizedBedCombustion(9/22)SolidFluidization-Lowerpartoffurnace:densephase-Upperpartoffurnace:dilutephase-Annulusandcorestructure-FurnaceCycloneLoopseal(FBHE)FurnaceEmissionControl-Desulfurizationincombustor:CaCO3(fed)+SO2+1/2O2CaSO4+CO2-Lowoperationtemperature(900oC):lowNOxemission-WithoutadditionalemissioncontrolsystemAdvantage-Fuelflexibility-Widesizedistributionoffuel-Easytohandlesolidparticles-Highheattransferrate-StableforexternalthermalshockBackpassCoalSiloBoilerCycloneFBACFBHEPrimaryAirAirAirSolidFlowAirSolidFlowGasFlowGasFlowWindboxBackpassKEPRIICEE2005AnalysisofKoreanAnthracite(10/22)DogaeDongwonSamchukKyungdongJangsungHanboTaebakProximateanalysisMoisture3.263.073.603.762.824.464.15VM3.904.333.893.925.004.093.68FC60.8651.0058.4465.3247.0260.4061.58Ash31.9841.6034.0727.0045.1631.0530.59UltimateanalysisC63.2152.5860.7668.7949.4163.7464.38H0.770.770.820.820.800.790.80O2.163.012.412.412.482.102.16N0.390.360.430.430.400.460.50S0.410.360.240.240.440.410.22Ash33.0642.9235.3435.3446.4732.5031.92AshanalysisSiO253.4154.3656.4152.5854.5152.3754.20Al2O334.8231.5331.3832.9932.5433.6732.27Fe2O32.604.402.536.104.175.604.39CaO0.800.860.580.990.720.840.92MgO0.650.700.650.720.620.440.78Na2O0.160.330.340.200.230.140.24K2O4.654.934.083.714.774.04.13TiO22.141.832.022.242.242.771.95HGI939310573-82-KEPRIICEE2005SizeDistributionofKoreanAnthracite(11/22)Size(mm)DesignPSD(wt.%)#1–PSD(wt.%)#2–PSD(wt.%)#3–PSD(wt.%)9.55.6–9.54.75–5.62.8–4.752–2.81.0–2.00.6–1.00.25–0.60.1–0.250.075–0.10.075001.02.016.031.016.017.010.02.05.01.014.45.112.37.220.014.614.65.83.02.005.01.22.92.414.020.026.017.93.111.0024.45.111.54.011.06.012.013.62.410.0SizeChangeofKoreanAnthracite•EffectofheatingrateandparticlesizeonfragmentationDevolatilization&CombustionKEPRIICEE2005Temperature[oC]dW/dT-0.12-0.10-0.08-0.06-0.04-0.020.000.020.0401002003004005006007008009001000NormalizedWeighLoss[-]0.00.20.40.60.81.01/T[1/K]0.00080.00090.00100.00110.00120.00130.0014lnK-10-9-8-7-6-5E=