全尺寸燃煤锅炉NOx排放多影响因素的数值模拟分析

44120131BOILERTECHNOLOGYV0144No1Jan2013NO(200240)CFD1NqNONOSOFANNOxNOTK2296A16724763(2013)010041070NOICFD[1q][4][5~63NONO111025th512ABCDE5ABCDE5(FA)AAABBCCDDEEF612012021020120304(08DZl201503)(1987)44mOF,570EF326j5123eDbdCD230c2308130IFA[]EFEDE[]DcD[](j-JBC[]BfAB[]AE]1AA[]2(AA)ABBCDEOFA42217031231(BMCR)(th1)(th1)mm(kJh-1)10257221888026243140201233021777677823320617710sram153422Realiz-ablek-(mixturefractionPDF)[7](stochastictracking)(twocompetingratesmodel)(kineticsdiHusionlimitedcharcombustionmodel)P1(P1radiationmodel)SIMPLE1NO43NONqNONqNqNHCNNHs8000323254(B)45(DE)1800K5667NONOiNu34NO3NO44444NO3NOOFA()6(1)(2)(3)1008060(4)101113(5)SOFASOFA(6)rosinrammler3L18(2X37)556666klfl(237)ABCDEFI196406891011121314151617SOFA1(100)2(80)3(60)1(O)2(14)3(23)(um)1(102)2(131)3(162)()1(1O)2(11)3(13)NOI(ragm3)(602)2522191518384012329213440473189472123843385240380628345143055747182332124729231312231123312311233123l2231232313122313l123l23123123121231NO45477NO3074mgrn_3(602)NO3788mgm3(6O)NO811123135NONONqNONOxo400Z350300250200I101151201251301358NO9NONONONONONOl=011l3(gg)9NO10SOFANOSOFANOSOFA014SOFA10NOSOFA11NONOCONOf_oz||f-)oz44Qo9oZ100110120130140150160170IJ,m11NO12NOSOFANO150}|Ij100O]]ISOFA12NFF88SOFA5NONONONONOSOFANONONONOSOFANON0[1]EJ]200121(1)11281131E23EJ3200436(6)761764E33NOEJ32007(9)E4]I-M]1976E53I-j]1986(5)E63EJ]1998(6)E73I-M]19911l1NO47NumericalSimulationandAnalysisontheInfluencingFactorsofNOEmissioninFulIScaleCoalFiredUtilityBoilersWANGZhenHULiyuanLUOYonghao(ResearchInstituteofThermalEnergyEngineeringShanghaiJiaotongUniversityShanghai200240China)AbstractNitrogenoxidesproducedbycoalfiredboilersleadstoseriousenvironmentalpollutionwhichhavetobesolvedurgentlyBasedoncommercialCFDsoftwareanumericalmodelofautilityboilerwassetuptostudythecombustionbehaviorandpollutantemissionofcoalblendsTheorthogonaldesignwasappliedtochoosevariousconditionsforsimulationanddifferentfactorsinfluencingNOemissionswerestudiedKeywordscoalfiredboilernumericalsimulationNOemissioninfluencingfactororthogonaldesign(40)2E1]WallTFCombustionprocessesforcarboncaptureEJ]ProceedingsoftheCombustionInstitute200731(1)3147E23[M]2001[3]OzcozEJ]201026(4)4952[43Ozcoz[D]2009[5][M]2002[6][M]2004[7][M]2009FuelCombustionCalculationAnalysisofOxy-fuelBoilersYANKai(ShanghaiBoilerWorksCoZHANGJianwenLtdShanghai200245China)AbstractBasedonthefuelcombustioncalculationmethodofairfuelboilersthedetailedresearchonthefuelcombustioncalculationmethodoffuelcombustioncalculationofoxyfuelboilersiscarriedoutThebasiccalculationmodelandtherequiredhypothesisareproposedthroughthecomparisonsofthermalsystembetweenairfuelboilersandoxyfuelboilersThetheoreticalcombustionimproverrequirementandthetheoreticalquantityoffluegasareproposedThecalculationsofthetheoreticalquantityoffluegasandthetotaloneincludingthecalculationformulaeofvariousgasesinfluegasareanalyzedinthecasesofwithandwithoutfluegasreeirculationThecalculationmethodsofthequalityoffluegasthedensityoffluegasthemassconcentrationofflyashandtheenthalpyoffluegasforoxyfuelboilersarealsoproposedthroughtheextensionfromairfuelboilersKeywordsboileroxy-fuelfuelcombustioncalculation