西门子燃气轮机介绍课件

西门子燃气轮机介绍西门子燃气轮机介绍DevelopmentoftheSIEMENSGT-EfficiencyDevelopmentoftheSIEMENSGT-SiemensVx4.3AGasTurbineTurbineCombustionChamberCompressor24HybridBurnersTotalExperience>500unitsinstalled80unitscommitted

22millionhoursA

SeriesExperience143units(>30ordered)

2,315,287hoursOctober2004SiemensVx4.3AGasTurbineTurbScaledVX4.3ARow1TurbineVanesScaledVX4.3ARow1TurbineVaScaledRotors(V94.3,V64.3)ScaledRotors(V94.3,V64.3)SiemensGasTurbineFamilyVX4.3A(1996)Compressor

15stages Pressureratio16.9 Massflow645kg/s CDA-profileswithside-wallcorrectionCombustor

Integratedannularcombustor Lining:air-cooledmetallicheatshieldsorceramictiles 24hybridburners NOx<25ppm(gas)

Turbine

4stages

Singlecrystalrow1&2blades COCandTBC

*)

4+3vaneandbladerowscooled Row1&2vanesandrow1bladewith

filmcoolingRotor

Noalterations

*)COC=CorrosionandOxidationCoating,TBC=ThermalBarrierCoating2001:TISO=1230C398MW/58.4%AnnularcombustorSiemensGasTurbineFamilyVX4V94.3AGasTurbine

DesignFeatures12876543(1)Generator

coupling

-Atcoldenddrive(2)Casing Horizontally-Split(3)Rotor -Twobearings-Hollowshaft-DisksinterlockedviaHirthserrationsDisksaxiallyfixedviaCentraltiebolt(4)Compressor -15-Stage-Optimizedflowdistribution-Variableinletguidevanes(5)CombustionSystem -Annularchamber24HybridBurnersCeramicandmetallicheatshields

(6)Burners -Drylow-NOxtechnologyMultiplefuelscapability(7)Turbine -4-Stage-Advancedcoolingtechnology-Thermalbarrierbladecoatings-Filmcoolingofbladeairfoils(8)Exhaust AxialV94.3AGasTurbine

DesignFeatSiemensVX4.3A1)withAnnularCombustorAnnularCombustor1)A=AnnularCombustorSiemensVX4.3A1)withAnnularSiemensDesignationofGasTurbines,SimpleCycle-andUnfiredCombinedCycle-PowerPlants3_0_0_0_1©PGW81ForExample:Annularcombustion

chamberDevelopmentstate

3=3rdgenerationCompressorsize

-Compressormassflow

Rate

-PoweroutputSpeed

9=50Hz

8=60Hz

6=90Hz(Gearbox)Combustionmachine

(German:Verbrennungs-kraftmaschine)nCC2.V94.3AnCC2.W501FDesignationofgasturbine

modelNo.ofgasturbinesperblock

(Mult-shaftarrangement,

1S=single-shaftarrangement)Combinedcycle

or

SC:SimplecycleNo.ofCCorSC

blocksV94.3A SiemensDesignationofGasTurPerformanceDataof50HzSiemensGasTurbinesPerformanceDataof50HzSiemBasicRotorDesignsBasicRotorDesignsRotorDesignDesignfeatures - Radialserrationbetweenallrotor parts(Hirth-Serration) - CentraltieboltAdvantages - Safetorquetransmission - Precisecenteringofallrotorparts, alsowithdifferentradialextension oftheparts - Nodisturbationoftherotational symmetryoftherotor,alsowith changingtieboltforce - Capabiltyofon-siterotor disassemblyandreassembly withouttheneedofrebalancing - Simplegeneratingandadjustment ofthetieboltforcewithhydraulic loadingequipmentRotorDesignHirth-SerrationofaCompressorDiscHirth-SerrationHirth-SerrationofaCompressoTurbineDiscwithHirthSerrationsTurbineDiscwithHirthSerratAirFlowsinsidetheRotorAirFlowsinsidetheRotorV84.3ACompressorV84.3ACompressorSiemensCompressorBladeEvolutionV84.3V84.3ARow1BladesV84.3ACDAbladeofarearstagewithside-wallcorrectionSiemensCompressorBladeEvoluNOx-Emissionvs.

CombustionTemperature&ResidentialTimeAirnumberlNOx-Emission(ppm)ResidentialTime(ms)Lufttemperatur=400CResidentialtimes(ms):1 Silo-combustor 1502 Annularcombustor 303 Can-combustor 15Airtemperature400C123SingleDigitNOxEmissionTheNOx-EmissiondependsonCTonly(withagivenresidentialtime)CombustionTemperature(C)NOx-Emissionvs.

CombustionTTheVx.yAFamilywithAnnularHybridBurnerRing(HBR)CombustorAnnularCombustorwith24HybridburnersCompressorTurbineTheVx.yAFamilywithAnnularComparisonofDiffusionBurnerandPremixBurnerDiffusionPremixFuelgasPilotgasFuelgasAirAirhotzoneComparisonofDiffusionBurnerCurrentEmissionStatusV94.3ANOxEmissionsare<25ppmat100%baseload.CurrentEmissionStatusV94.3AHR3-HybridBurnerPilotoilsupplyPilotoilreturnPremixoilnozzlesDiffusiongassupplyPremixgasnozzlesInnerswirlerDiffusionandpilotgasnozzlesPremixgassupplyFueloilpilotPremixpassageHR3-HybridBurnerPilotoilsVX4.3AAnnularCombustorVX4.3AAnnularCombustorSiemensV94.3AAnnularCombustor

withAirCooledMetallicHeatShieldsInspectiononburnersideInspectiononturbinesideSiemensV94.3AAnnularCombustDesignofCombustionChamberWallCaststeelcasinglinedwithceramicandmetallicheatshieldsIndividualheatshieldcanbeexchangedduringcombustionchamberinspectionsbyaccessthroughmanholes.DesignofCombustionChamberWDesignFeatureofV-Series:

AnnularCombustionChamberwithCeramicHeatshields(CHS)DesignFeatureofV-Series:

AnV94.2ACombustorHubPartV94.2ACombustorHubPartSiemensCombustorDevelopmentV94.2V94.3V94.3A2Silo-Combustors2x8Hybridburners2ShortenedSilo-Comb.2x8HybridBurners1AnnularCombustor24HybridBurnersCombustorLoad1020116MWth/m3SmallerandshortercombustorforreductionofcoolingairconsumptionandresidentialtimeSiemensCombustorDevelopmentVFurtherComponentQualityImprovement

CombustionSystemImprovedesigntoolsImprovetotalmodelling(flow+combustion)ImprovevalidationbaseImprovemeasuringtechnologyReduceNOx-EmissionImprovecoolingtechnology

ImprovedrypremixcombustionforliquidfuelsDevelopnewcombustiontechnologies(catalyticcombustion?)SecurestablecombustionExplorethecombustioninstabilityphenomenonDevelopmeasuresagainstcombustioninstabilitiesVelocitydistributionSiemensVX4.3AAnnularCombustorTemperaturedistributionFurtherComponentQualityImprV84.3ATurbine

V84.3ATurbineCoolingEfficienciesofVariousBladeCoolingMethodsCoolingEfficienciesofVariouCoolingMethodsforTurbineBladesThermalBarrierCoating(TBC)BondcoatBladeImpingementInsertCoolingeffects:A ImpigementcoolingB EnhancedconvectioncoolingbyturbilencegeneratorsC InternalheattransferD FilmcoolingHotgassideCoolingMethodsforTurbineBlVX4.3AStage1VaneandBladeVX4.3AStage1VaneandBladeGreat(German)engineering!!Comparethis!!!Onegasturbineblade10PorscheTurbo’s,butthepriceofablade-isonlythatofoneVolkswagenRabbit!Deliversthepowerof:Great(German)engineering!!10V84.3ARow1TurbineVaneV84.3ARow1TurbineVaneV84.3ARow1TurbineBladeV84.3ARow1TurbineBladeVX4.3ATurbineDesigncoredrow4bladeoncooledwithoutshroudSinglecrystalrow1&2bladesFilmcooledrow1&2vanesandrow1bladeVX4.3ATurbineDesigncoredrowAdvancedTurbineBladeCastingTechnologiesPolyCrystal(PC)DirectionalSolidification(DS)SingleCrystal(SC)AdvancedTurbineBladeCastingThermalBarrierCoatingsEB-PVDThermalBarrierCoatingEBPVD=ElectronicBeamPlasmaVapourDepositionThermalBarrierCoatingsEB-PVDPyrometricTemperatureMeasurement(V84.3AShopTest)

PyrometricTemperatureMeasureCoatingsagainstCorrosionandOxidationRow1vanewithcorrosionattackCorrosionandOxidationCoatingsCoatingsagainstCorrosionandFurtherComponentQualityImprovementTurbineImprovedesigntoolsImprovevalidationbaseImprovemeasuringtechnologyImprovecoolingtechnologyImprovecastingtechnologyImprovecoatingtechnologyImproverefurbishingtechnoloyImprovehightemperaturematerialsDevelopnewhightemperaturematerials

(ceramics?)DevelopanewmaterialforlongfinalstagebladesOptimizeexhaustgaschannelReducemanufacturingcostsReducemaintenancecostsSiemensVX4.3ATurbineFurtherComponentQualityImprLarge50HzGasTurbines

StateofDevelopment*Quelle:GasTurbineWorld2000-2001Handbook,Vol.21Large50HzGasTurbines

StatGasturbineswithmorethan8monthsofdocumentedexperienceincommercialoperationintheyear2003Average

reliability

99,5%Average

availability

95,6%可用率V94.3A20031111Majoroverhaul1Gasturbineswithmorethan8可靠性V94.2,V94.3A,V84.3A

1997-200399.699.799.399.899.799.199.69095100%19971998200019992001Year99.799.799.599.599.22002V94.2V94.3AV84.3A2003可靠性V94.2,V94.3A,V84.3A9V94.3A先进的液力轴向间隙优化装置Value:IncreasedpowerandefficiencyResult:Success