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:2006-12-26;:2007-03-02:(50576022):(1982-),,,.:1001-2060(2007)06-0665-04,,,(,102206):,,,,,,,,:;;;:TK224:A,CO2CO21/4,,,,,,,,,1,[12]:21=RO2+O2+0.605CO+(RO2+CO)(1):RO2,;O2;CO;,:=2.35Har-Oqr/8+0.038NarCar+0.375Sar(2):CarHarOarNarSar(1):CO2=21-[O2+(0.605+)CO]1+-SO2(3),CarHarOarNarSar[34],CarHarOarNarSar:VyM21-[O2+(0.605+)CO]1+=0.01866Car+0.007Sar(4)VyMN2=0.008Nar+0.79Vk(5)VyMO2=0.21(-1)Vk(6):M;Vk,:VkM=[0.0889(Car+0.375Sar)+0.265Har-010333Oar](7):Vy,:VyM=0.01866(Car+0.375Sar)+0.008Nar+0.111Har-0.0333Oar+(1.0161-0.21)VkM(8):,[5]:226200711JOURNALOFENGINEERINGFORTHERMALENERGYANDPOWERVol.22,No.6Nov.,2007=(O2-0.5CO)(Vy/M)-0.01866Car[21-1.0161(O2-0.5CO)](Vk/M)(9)(7)(9)(4)(6),CarHarOarNarSar3,5,,,:Car+Har+Oar+Sar+Nar+Mar+Aar=100(10):Aar,M;Mar,[6]170[7],(-0.9827),1,:Odaf=-0.95042Cdaf+89.122(11):=2.992111,(11)k:kOar=-0.95042kCar+89.122(12):k=100/(100-Mar-Aar),(4)(6)(10)(12)5CarHarOarNarSar,(2),(3),,:VCO2=VyCO2(13)2eDNA273(600MWZGM-123,;FAF26.6-12.6-1,HOWDENANN-3600/2000B)234566662007727,(4)(6)(10)(12)CarHarOarNarSar,(7)(9)(2),(3),8,98910(8)(9)(13),103,,111,MW;2,t/h;3,m3/h1111,,,019332,018782,276,,,,(3):9(CO2)9(SO2)=-1+CO(1+)299(SO2)(14)9(CO2)9(CO)=-0.605+21++CO(1+)299(CO)(15)9(CO2)9(O2)=-11++CO(1+)299(O2)(16)9(CO2)9(N2)=CO(1+)299(N2)(17)9(CO2)9(M)=CO(1+)299(M)(18)9(CO2)9(Aar)=CO(1+)299(Aar)(19)7666,:9(CO2)9(N2)=CO(1+)299(N2)(20)(2),,01(14)(20):9(CO2)9(SO2)=-1;9(CO2)9(CO)=-0.605;9(CO2)9(O2)=-1;9(CO2)9(N2)0;9(CO2)9(M)0;9(CO2)9(Aar)0;9(CO2)9(N2)0,:(CO2)=-(SO2);(CO2)=-0.605(CO);(CO2)=-(O2)4,,,,,,,,,:[1].[M].:,20001[2],.[M].:,20061[3].[J].,2005,25(6):139-1451[4],,,.[J].,2002,8(5):441-4451[5],,,.[J].,1999,30(5):16-181[6]1[J].,2003,34(6):12-141[7],,.[M].:,20051()20062,-450T,,4050,,()8662007certaintyrangeoftheoutputofanon2lineperformancecalculationmodelforplantsunderdifferentoutsideboundarycon2ditions,differentoperatingparametersaswellasidenticaloperatingconditions,thusprovidingusefulreferencedataforop2timizationdecision2makingadjustmentanddiagnosisbothbasedonthemodelinquestion.Thecoalconsumptioncharacter2isticcurvesoftheplantobtainedthroughstatisticalcalculationsreflecttheactualcharacteristicsoftheplantunderrealoperatingconditions.Withthein2plantloaddistributionversionservingasanexample,theeffectivenessofthemeasurestakenforeconomicoperationhasbeenverified.Keywords:thermalpowerplant,on2lineperformancecalculation,statisti2calcharacteristics,uncertainty,loaddistribution=CalculationofGreenhouseGasEmissionsfromUtilityBoilers[,]/LIUHuan2zhang,CHANGTai2hua,LIUJi2zhen,etal(AutomationDepartment,NorthChinaElectricPowerUniversity,Bei2jing,China,PostCode:102206)//JournalofEngineeringforThermalEnergy&Power.-2007,22(6).-665668Asanimportantsecondaryenergysource,electricpowerisindispensable.However,alargequantityofwasteemissionsisproducedduringpowergeneration,especiallybycoal2firedpowerplants.Onthebasisoffluegasanalysis,astudyoffuelcharacteristiccoefficientsandbyanalyzingcombustionmechanismaswellasthroughamodelingbasedonstatisticallaws,aforecastwasgivenofthegreenhousegascarbon2dioxideemissionsfromcoal2firedutilityboilers.Finally,asimulationstudywasconductedoftheforecastingmethodbymakinguseofthereal2timehistoricdatafromPanshanPowerPlant.Thesimulationindicatesthefeasibilityofthemethodunderdiscussion.Keywords:fluegasanalysis,fuelcharacteristiccoeffi2cient,utilityboiler,greenhousegas=AnExperimentalStudyoftheEffectofLimestoneDesulfu2rizationReactiononAmmonia2injectedDenitrificationReaction[,]/HOUXiang2song,WANGJin2wei,ZHANGHai,etal(EducationMinistryKeyLaboratoryonThermalScienceandPowerEngineering,ThermalEnergyEngineeringDepartment,TsinghuaUniversity,Beijing,China,PostCode:100084)//JournalofEngineeringforThermalEnergy&Pow2er.-2007,22(6).-669672ToinjectammoniaintoaCFB(circulatingfluidizedbed)boileratitsfurnacetailportionorattheinletofacyclonesepa2ratorcanreducetheNOxcontentinfluegases.InaCFBboiler,theinjectionoflimestoneforthepurposeofdesulfurationmayinfluencetheammonia2injecteddenitrificationreaction.Anexperimentalstudywasconductedoftheimpactofpy2rolyticanddesulfurationproductsofthelimestoneonammonia2injecteddenitrificationreaction.IthasbeenfoundthatthepyrolyticreactionproductsoflimestonepriortodesulfurationhavearelativelybigspecificsurfaceareaandCaOexhibitsadefinitecatalyticactivity,whichcanpromotetheammonia2injecteddenitrificationreaction.Thedesulfurationproductsofthelimestoneexercisearelativelysmallinfluenceontheammonia2injecteddenitrificationreaction.Whenthetemperatureisabove1200K,however,theproductsinquestioncanpromotetheoxidationofNH3andreducetheescapeofNH3,bothaspectsbeingconsideredasfavorabletotheammonia2injecteddenitrificationreaction.Keywords:circulatingfluidizedbed,ammonia2sprayeddenitrification,limestone,catalysis=NumericalSimulationandExperimentalStudyofFlowsOutsidetheNozzlesofaSpray2typeDesulfurationTower[,]/ZHOUShan2ming,JINBao2sheng,SUNZhi2ao(EducationMinistryKeyLaboratoryonCleanCoalPowerGenerationandCombustionTechnology,SoutheastUniversity,Nanjing,Chi2na,PostCode:210096)//JournalofEngineeringforThermalEnergy&Power.-2007,22(6).-6736