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23320036POWERENGINEERINGVol.23No.3Jun.2003:100026761(2003)03223922051,2,1,1(1.,710049;2.,100013)::;,;833:;;;:TK223.23:A:2002204201:(95JB1101):,(1974-),,,0:,,,,,,,:,[1],,,,,,,1,,,,,,1MW,1,2,[2]XJ,:XJ=2(QQWR)ö2(QQWR)(1)Q,kgöm3Q,m3ösW,mösR,m©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.12P2P1=Q2w22Q1w21(2)XJP2öP11112345(mös)24.024.024.024.024.0(mös)17.820.020.020.021.6(mös)28.031.026.522.033.0(mös)30.024.028.533.019.0P2öP12.02.01.51.02.0XJ0.600.770.770.770.90,(QQW)RH,:(QQW)R=ni=1QV21$S$HõLi(3)Q,kgöm3Vi,mösnLi,m,X=xöaY=yöbZ=zöDe,abDe1Z,,()X(Y)0.0,1.0,,Dsja,Dsjl,Dsjr=DsjöDjx,Djxa,,,3(Z=0Z=0.866Z=5.426)2XJ3:(Z=0),,1Rankico,Z=0.866,,,4(Z=0)DsjXJ:,DsjXJDsjXJ,Djx2.8,XJ=0.9539323©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.3XJ5ZPXJ,5:,(XJ),(Z=0Z=0.866),,,,,4DsjXJ3,,Djx,,13()6P2öP1Z=0.866P,,,P,34à,,,,P2öP11.5,33493223©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.6P2öP1Z=0.866P,,2.8,=3.6,,,[2,3]23.62.84XJUmaxUvM1,M1=UmaxUE,:E=URULUR,mösUL,mös,XJ(125)(Z=5.426)u,7,8EM1XJ:EM1,,XJ,EM1,600MW[1]3P2öP12.0(Z=5.426)M125M1,,7(Z=5.426)8EM1XJ3P2öP1=2.0M1XJ0()0.600.770.90M11.491.381.211.225:,,:(1)XJ=0.95,;(2),;(3)(XJ=00.9),XJ,,;(4)59323©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.;(5)(XJ=00.9),XJ,:[1],,.[J].,1994,14(5):1621.[2].[D].:,2000.[3].[D].:,1999.ContradistinctionofColdModelingTestsandHotModelingTestforGasFlowinT-FiredFurnaceZHOUQu2lan1,DOUWen2yu2,XUTong2mo1,HUIShi2en1(1.Xi’anJiaotongUniv.,Xi’an710049China;2.CenterofBoilerandPressureVesselInspectionandResearch,Beijing100013China)Abstract:TheflowcharacteristicsinT2firedfurnaceisstudiedbycoldmodelingtestandhotmodelingtest.Someconclusionsaredrawnas:diameterofactualtangentialcircleinhotconditionislargerthanthatofcoldcondition;momentofmomentumfluxofgasflowinfurncedecreasesalongheightoffurnace,anddecreasesfasterinhotconditionthanincoldcondition;opposingtangentialcircleofprimaryairmayeffectivelydecreasemomentofmomentumfluxinfurnaceandobviouslyalienatetoresidualrotationatexitoffurnace.Figs8,table1andrefs3.Keywords:boiler;gasflow;opposingtangentialcircle;modelingtest(2415)ResearchonDistributedNetworkSystemforOn-LineMonitoringandFaultDiagnosisintheSteamTurbineGeneratorSetsZHANGZhou2suo,LIFu2cai,XUYong2gang,ZIYan2yang,HEZheng2jia(SchoofofMechanicalEngrg.,Xi’anJiaotongUniv.,Xi’an710049,China)Abstract:Wehaveresearchedanddevelopedadistributednetworksystemforon2linemonitoringandfaultdiagnosis.IthasbeenappliedonfoursteamturbinesetsofLanzhouXiguthermoelectricityplant,andhasplayedanimportantpartinrunningandmaintenanceofthesteamturbinegeneratorsets.Thispaperintroduceshardwareconstitution,softwarefunction,networktechniqueofthesys2temandtheircharacteristics,andpresentsandappliedexampletoshowpracticabilityandeffective2nessofthesystem.Figs5andrefs6.Keywords:steamturbinegeneratorsets;distributedon2linemonitoring;faultdiagnosis;networksystem(2399)Theresultsoftestsindicatedthatthatburningthegranularcoalblendingfuelinlayercombustionboilerscansavefuelbyover10%,andreducethedustemissionbymorethan60%comparedwithfir2ingrawcoal.Figs2,table1andrefs5.Keywords:coal;coalblending;sizeclassification;reducedustemission;savefuel693223©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.