HTRI-加热炉-模拟

®CombustionModule2©HeatTransferResearch,Inc.Allrightsreserved.Confidential:ForHTRImemberuseonly.ObjectivesUnderstandcombustioncalculationbasisPracticeXfhinterfacenavigationanddataentry(Example1)Solvecombustioncalculations(Example1)Analyzecombustionreports©HeatTransferResearch,Inc.Allrightsreserved.Confidential:ForHTRImemberuseonly.CombustionCalculationsAdiabaticflametemperatureUsesheatsofformationofreactantandproductspeciesConsiderssimpleoxidationreactionNeglectsdissociationCombustionheatrelease©HeatTransferResearch,Inc.Allrightsreserved.Confidential:ForHTRImemberuseonly.CombustionCalculationsFluegastemperatureBasedonspecifiedabsorbeddutyRequireddutyBasedondesiredfluegastemperature©HeatTransferResearch,Inc.Allrightsreserved.Confidential:ForHTRImemberuseonly.Example1SimplecombustionusingtwofuelsGaseousfuelFueloilThree-partcalculationDutyofcombustionFluegastemperatureforspecifieddutyDutyrequiredforspecifiedfluegastemperature©HeatTransferResearch,Inc.Allrightsreserved.Confidential:ForHTRImemberuseonly.CombustionDiagramCombustion1Combustion2RadiantsectionGasAirAirFueloilSteamFluegasFluegasFluegas©HeatTransferResearch,Inc.Allrightsreserved.Confidential:ForHTRImemberuseonly.GasFuelSpecificationsRate(MW)12Pressure(kPa)200Temperature(°C)27Composition(Volume%)Methane23Propane41n-Pentane8Sulfurdioxide10Carbonylsulfide9Methanol9©HeatTransferResearch,Inc.Allrightsreserved.Confidential:ForHTRImemberuseonly.FuelOilSpecificationsRate(MW)12Pressure(kPa)300Temperature(°C)100API(degreesAPI)gravity20.8UltimateAnalysis(%)Carbon87Hydrogen10Sulfur3©HeatTransferResearch,Inc.Allrightsreserved.Confidential:ForHTRImemberuseonly.OxidantSpecificationsAmbientAir(specifytwiceforbothfuels)Rate(kg/hr)0*Pressure(kPa)101.32Temperature(°C)35Relativehumidity(%)50Excessair(%)20*OxidantflowratecalculationbasedonpercentexcessO2©HeatTransferResearch,Inc.Allrightsreserved.Confidential:ForHTRImemberuseonly.DiluentSpecificationsSteam(onlyforfueloil)Flowrate(Wt/wt)1Pressure(kPa)300Weightfractionwater0Xfhautomaticallycalculatestemperaturefromsteamtables©HeatTransferResearch,Inc.Allrightsreserved.Confidential:ForHTRImemberuseonly.CombustionDiagramReportTemperature,flowrates,dutyspecification,andexcessairforcombustionstreams©HeatTransferResearch,Inc.Allrightsreserved.Confidential:ForHTRImemberuseonly.CombustionDiagramReportHeatcontentofcombustedstreams©HeatTransferResearch,Inc.Allrightsreserved.Confidential:ForHTRImemberuseonly.CombustionDiagramReportPercentoxygenaftercombustion©HeatTransferResearch,Inc.Allrightsreserved.Confidential:ForHTRImemberuseonly.CombustionDiagramReportNOxconversions1)MultiplybyPPMVNOx=lbsNOx/MMBTU(HHV)2)MultiplybyPPMVNOx=lbsNOx/MMBTU(LHV)3)MultiplybyPPMVNOx@actual=PPMVNOx@3%O2©HeatTransferResearch,Inc.Allrightsreserved.Confidential:ForHTRImemberuseonly.CombustionDiagramReportMixedconditions©HeatTransferResearch,Inc.Allrightsreserved.Confidential:ForHTRImemberuseonly.CombustionDiagramReportAnycalculatedorspecifiedduty©HeatTransferResearch,Inc.Allrightsreserved.Confidential:ForHTRImemberuseonly.Example1CombustionDiagramWhydoestheCombustionDiagramindicatemorethanthe12Megawattsspecifiedforeachfuelstream?Question:ThefueldutyspecificationintheinputappliestoLHVheatrelease.Thereportedvaluesreflecttotalheatcontentinthestreams,includinganysensibleheatcontentintheenteringfuels,oxidants,anddiluents.Ifyoumakeallstreams15.56°C(60°F),thentheCombustionDiagramindicates12Megawatts.Answer:©HeatTransferResearch,Inc.Allrightsreserved.Confidential:ForHTRImemberuseonly.FlueGasTemperatureCalculationSpecifydutyandlossesonCalculationOptionspanelDuty:18MWLosses:2%Re-runcase©HeatTransferResearch,Inc.Allrightsreserved.Confidential:ForHTRImemberuseonly.CombustionDiagramReportSpecifieddutyandlosses©HeatTransferResearch,Inc.Allrightsreserved.Confidential:ForHTRImemberuseonly.CombustionDiagramReportCalculatedoutletfluegastemperature©HeatTransferResearch,Inc.Allrightsreserved.Confidential:ForHTRImemberuseonly.RequiredDutyCalculationSpecifyfluegastemperatureonCalculationOptionspanelTemperature:500°CRe-runcase©HeatTransferResearch,Inc.Allrightsreserved.Confidential:ForHTRImemberuseonly.CombustionDiagramReportSpecifiedfluegastemperatureRadiantdutyrequired©HeatTransferResearch,Inc.Allrightsreserved.Confidential:ForHTRImemberuseonly.StreamPropertiesFirstpagecontainscompositionsofallcombustionstreamsMolecularweightandcriticalpropertiesforallcomponents©HeatTransferResearch,Inc.Allrightsreserved.Confidential:ForHTRImemberuseonly.StreamPropertiesSecondpagelistsphysicalpropertiesUltimateanalysisHeatcontentofeachstream©HeatTransferResearch,Inc.Allrightsreserved.Confidential:ForHTRImemberuseonly.FlueGasHeatReleasePhysicalpropertiesoffluegasfromfluegastemperatureto15.56°C(60°F)©HeatTransferResearch,Inc.Allrightsreserved.Confidential:ForHTRImemberuseonly.FlueGasHeatReleaseWeightingfactorsforgasemissivityWeightingfactorsforgasabsorptivityEmissivityandabsorptivitycalculatedonlywhenradiantsectionismodeled©HeatTransferResearch,Inc.Allrightsreserved.Con