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235200310POWERENGINEERINGVol.23No.5Oct.2003:100026761(2003)0522632203W,,,,(,710049):FW300MWW,1MWW,W,,,435:W;;;:TK229.6+3:A:2003201227:(19622),,,,W,,;;,,,,,,,15%,W[1],,[2,3],[4,5],,,FW300MWW,1MWW,1,,,,1MW300MWW11W,1000600(mm2),1750mm,,500600(mm2),1800mm2,,,2DEF,5DEF,0,,,,,,,11(mös)(mös)(mös)(mös)DEFkgömin12110125792.3121615125792.313265125792.3142110127.37.37.32.3152110122411.52.3161471210116.42.3122.1,,ACEGI5,11,,2131.08,,,,,,,23:,,,;;1508,F;,1,,W2(1)3(1):33625,,,;,,,,,,;,,,,180,,F,,W,W,2:A,I,W,21()ACEGItAV()9141051130113901233Gmax1.441.291.151.101.08Gmin0.680.840.900.870.88D0.760.450.260.230.202.2DT1450,FT1490,ST1500,W,:,,,,;W,,WW42.34,W,160.03:(6),(1)100316tAV()11451241Gmax1.011.01Gmin0.980.98D0.030.033W,W,,:(1)W,FW(2)WW(3)W,:[1].W[J].,1994,14(6):4549.(2659)436223[4]KunioYoshikawa.Gasificationandpowergenerationfromsolidfuelsusinghightemperatureair[C].ProceedingofBei2jingSymposiumonHighTemperatureAirComubstionOct.1819,1999.[5]ChenYisheng(),HeYouduo(),ChenChun2yuan(),JiFuzhou().MathematicalmodelforsinglePulverizedcoalcombustion[J].Journalofironandsteelresearch,1997.[6]KunioYoshikawa.Innovativecoalgasificationsystemwithhightemperatureair[M].[7]CarlsonCP,Pian,KunioYoshikawa.Developmentofahigh2temperatureair2blowngasificationsystem[J].Biore2sourcetechnology,2001(79):231241.ResearchonMathematicalModelforHighTemperatureAirPebbleBedGasifierXIAOXiao2qing,SUNXin,LIZheng(Dept.ofThermalEngrg.,QinghuaUniv.,Beijing100084,China)Abstract:Thisarticleestablishesamathematicalmodeltopredicttheperformanceofhightemperatureairpebblebedgasifier.Cellmodelisusedtosetupthetotalenergybalanceandmassbalanceofsolidflow,carbonflowandeightgascomponents.Morethantenchemicalreactionsareconsideredinthismodel.Inordertopredictthechemicalcompositionofthegasifierbeforechemicalbalanceisachieved,differentmethodsforcalculatingtheresidencetimeareappliedtodifferentsectionofthegasifiertodealwiththespecialstructure.Thismodelcanreflecttheinfluenceofthegasifier’sgeometryandstructure.Alsocanitpredictthedistributionofmostoftheimportantoperationparametersinthegasifier.Themodelisreliableascomparewiththeexperimentaldata.Figs9,tables6andrefs7.Keywords:pebblebedgasifier;hightemperatureairgasification;mathematicalmodel(2634)[2].W[J].,1992,12(4):1423.[3].W[J].,1994,14(1):2732.[4],,.300MWW[J].,1999,19(1):2326.[5].[D].,1991.Hot-StateExperimentalStudyoftheW-ShapeFlameBoilerHANGJie,YUZhan2ying,TANHou2zhang,XUTong2mo,HUIShi2en(Xi’anJiaotongUniv.,Xi’an710049,China)Abstract:1MWW2shapeflametestrigisestablishedwiththe300MWW2shapeflameboilerintro2ducedbyDongfangBoilerWorksasthemodel.Onthebasisofcold2statetest,thetestsofburningZhangzemeagercoalareconducted.Itisindicatedthatundernormalconditions,theflamecenterandmaximumwalltemperaturearelocatedbelowthecenteroftheFstagedair,thewalltemperatureonbothfrontandbackwallsisevenlydistributedalongthewallwidthinthelowersectionofthefur2nace,whilethewalltemperatureonbothsidewallspresentaparabolicdistribution,withthehighesttemperatureinthemiddle.Figs4,tables3andrefs5.Keywords:W2shapeflameboiler;hot2stateexperiment;temperaturedistribution;meagercoal95625