锅炉低NOx排放煤粉分级燃烧的优化

NOx,NOx4:NOx:TK224.11NOx,NOx,,NOx[13][4],NOx,NOx[5,6],,,NOx1NOx,NOxNOx,:(1),,,,NOxNOx,1800KA0.95T1800KNOx,NOx:1996210224,,1963,1992,,,100084.NOx;(2)NOx,,1%,50%NOx,NOxNOx5%,1%2%NOxNOxNOxNOxNOx(1)1NOx,;,HCN132Vol.13No.219973POWERSYSTEMENGINEERINGMar.1997©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.NH3,NOx(),NOx2,23,,,;,,,,A1.0(2A1=0.850.95),,NOx;,,NOxNOxNOx3[5,6]220töh,,,800mmMtAar%Sar%Car%Har%Nar%Oar%Var%Qnet,arkJökg8.036.780.4246.253.040.574.9436.618.1NOx,,2NOx(NOx),NOx[13](NOx),NOx[14]NOx(2)32NOxNOx,3,NOx,83199713©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.2NOx(1,3,4,794,2,5,685),NOx(68),,NOx,A=0.24NOx,,,A=0.699NOx(413,7358),NOx23A=0.699,NOx,NOx,3,A=0.920.94NOx,,NOx3NO[15],AAmax(AmaxNOxA,,Amax=0.650.85),A,NOx,NOx49A=0.429,NOx3,13,NOx932:NOx©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.68,A=0.429NOx,6A=0.4298,,CHiNHiNOxNOxA=0.429,NOx,A=0.429,NOx;,,NOx(39),1,NOx94ppm29(),4,4NOx4(4):,,A1Var(%),,AA1Var(%);;,A2Amax-(0.050.1),A2=0.550.65;NOx,,;,,NOx,,AA3=0.90.95,4NO,A4=A-A1.0(A,A),1LarueAD,CioffiPL.LowNOxburnerdevelopmentintheUSA.ModernPowerSystem,1988,8(1):41472BosHG.AdvancedNOxreductionburners.ModernPow2erSystem,1989,9(12):53583..,1989(8),41444RoslyakovPV,ZhongBJ,TimofeevaSA.Minimalreachedlevelsofnitrogenoxidesyieldinboilers.Teploenergetica,1992(8):47505,1NOx1,1995,1(2):1201286EgorovaLE,RoslyakovPV,BurkovaAV,ZhongBJ.Mathematicalsimulationandcalculationoffossilfueltoxiccombustionproductemission.Teploenergetika,1993(7):63687SchlosbergRH.Chemistryofcoalconversion.N.Y.PlenumPress,198504199713©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.8ChenSL,HeapMP,PershingDW.Fateofcoalnitro2genduringcombustion.Fuel,1982,61:121812249HardingNS,HedanPO.Nitrogenpollutantformationinapulverizedcoalcombustion.AIChHJ,1982,28:57310BoseAC,WendtJOL.Pulverizedcoalcombustion:Fuelnitrogenmechanismsintherichpost2flame.222thSymposium(international)oncombustion.1988.1127113411,,.NOx.,1980(3):646712..,1983(9):51013SmootLD,SmithPJ.Coalcombustionandgasification.PlenumPress,198514ChenWY,MaL.Importanceofheterogeneousmecha2nismsduringreburningofnitrogenoxide.Theproceed2ingsof3rdInternationalSympoiumonCoalCombustion.Beijing,Sept.,1995.59460115RoslyakovPV,ZhongBJ.Natureofpromptnitricoxideemissioninorganicfuelcombustion.Teploenergetika,1994(1):7175OptimizationofStagedCombustionMinimizingNOxYieldinPulverizedCoalFlameZhongBeijingetal.Abstract:Inthispaper,optimizationofstagedcombustionofpulverizedcoaliscurriedandfour2stagedcombustionofpulverizedcoalisdeterminedthroughnumericalmodelingforlowlevelofNOxyield.Keywords:pulverizedcoalstagedcombus2tionboilerNOx:(13),QD.NAM,.QD,.DXFTXT.DE;(2).DXF,AutoCAD,,7600MW350MW300MW,5000A4,,,15CADCAD,,CAD,CAD,,,HorizontalBracePartsDrawingCADSystemZhangAiminetal.Abstract:ThepaperpresentedhorizontalbracepartsdrawingCADsystemwhichwasexploitedbyHarbinBoilerCompanyLimited.Itachievedparame2terdesignofhorizontalbracepartsdrawingandcom2pieofpartslist,materialquotacollectiontable.Itau2tomaticallycreatedconnectfilewhichwasusedtoma2terialcollectionforthewholeboiler.Keywords:horizontalbracepartsdrawingparametricdesignCADsystem:142:NOx©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.