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E-420-13.7-560KT(730050)[]E-420-13.7-560KT;NOx,;;,[]2142MW,E-420-13.7-560KT,,,,,,(9,1112)199891972h,100.3%,100%,86%112,,,800mm(1),,,,(2):26m/s,47.6m/s22.11,,,,(),,,,,,2.2,2000(3)9©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,,,,,,,,,E-420-13.7-560-KT,,3232.3,,;,;,,,,2.4,,,,,,2.5,,4%6%,2.6NOx,,,,,,N2(),,3(1),,(2),,NOx,(3),(4),,,1989,,lu2000(3)©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.THERMALPOWERGENERATIONNo.3May2000ContentsSTUDYONTHEBOTTOMASHREMOVALSYSTEMFORA410T/HCFBBOILERMANUFACTUREDINCHINALuHuaianetal(2)Thispaperpresentsadesignconceptofthebottomashremovalsystemfora410t/hCFBboilermanufacturedinChina.Itwasbasedonthestudyandanalysisofthebot2tomashremovalsystemfora410t/hCFBboileratGaobaPowerPlantinNeijiang,SichuanProvince,andthedesignandoperationperformanceoftypeFAC-8000/200ashcooler.DESIGNOFTHECOMMUNICATIONSCHEMEFORMANAGEMENTINFORMATIONNETOFWEIHEPOWERPLANTZhangZhongminetal(6)Inthispaper,weputforwardthecommunicationschemebetweentheDCS(DistributedControlSystem)andMIS(ManagementInformationSystem)onthebasisoftherefer2encedmodelproposedbyISOforOSI.ConsideringtheapplicationofDCSinChina,wedeveloptheDataCommunicationSoftwareforWehepowerplantsDCS.Itisprovedthatthesoftwareforthisschemeiscorrectandfeasible.ANALYSISOFTHEDESIGNCHARACTERISTICSOFTYPEE-420-13.7-560KTBOILERBURNERMADEINRUSSIAWuJinghui(9)ThedesigncharacteristicsoftypeE-420-13.7-560KTboilerburnermadeinRussiaarepresentedinthispaper.Burnerofthistypeisfavorableforprimaryair-coalflowignitionandflamestability,aswellaslowNOxemissions.Fluegasre-circulationisemployedtopreventfurnaceslaggingandopposed-firedburnerarrangementiscapableofreducingresidualswirloffurnaceexitfluegas.LIFE-EXTENTIONCONTROLTECHNOLOGYANDITSAPPLICATIONINFOSSIL-FUELPOWERPLANTSZhaoTiechengXuWeiyong(11)Thebasicmethodsandapplicationstatusoflifemanagementtechnologyaresummarized.Anewconceptoflifeextensioncontroltechnology(LEC)thatcombinesthelifemanagementandcontrolengineeringisintroduced,includingbasicconceptsandroutesforrealization.Andapredictionofitsapplicationinfossilpowerplantsisgiven.EXPERIMENTALSTUDYONFURNACESORBENTINJECTIONPROCESSFORSO2REMOVALWHENFIRINGHIGHCALCIUMLIGNITECOALDuanJianzhongetal(15)Ahighcalciumlignitecoal,limestoneandlime,suppliedbyXiaolongtanPowerPlantinYunnanProvince,havebeenfiredin1MWsemi-industrialcoalcombustionre2searchfacilityatTPR1todemonstratetheL1FACprocessforSO2removal.ThefeasibilitystudywascarriedoutonL1FACprocessusinghighcalciumlignitecoalforSO2removal.PRINCIPLEANDAPPLICATIONOFASIMPLEMETHODFORVELOCITYMEASUREMENTINTUBESLiuFuguo(17)Thispaperintroducestheprincipleofamethodforvelocitymeasurementintubesanditscomparisonwiththeequalareamethod.Acomputerprogramisdevelopedtocal2culatethemeanvelocityintubes,whichhaveandiameterD=400-2200mm,flowtemperatureT=0-400andtubecentervelocityumax=10-45m/s.Nomogramsfortwocommonadoptedtubesaregivenforengineeringapplication.DISCUSSIONONDETERMINATIONOFCFBBOILERTHERMALEFFICIENCYXuHuanianXingWei(20)ThispaperproposedamethodtodetermineCFBboilerthermaleffciencywithdirectlimestoneinjectionforSO2removal,whichisbasedontheChinesenationalstandardsGB10184andNeijiang100MWCFBboilerperformancetestresultsaswellasSO2removalcalculationmethodusedinforeigncountries.STUDYONKEYISSUESOFANEWWETNESSMESUREMANTDEVICEUSINGHEATINGMETHODLiYanfengetal(24)Somekeyissuesofanewwetnessmeasurementdeviceusingheatingmethodhavebeenstudied,suchasisokineticsampling,sampleheatingandprecisemeasurementofsamplemassflux.Ralativemathematicsmodelsarebuiltrespectivelyandaseriesofconclusionsaredrawnbasedonanalysisofthesemodels.PRIMARYPARAMETERANALYSISOFSTEAMTURBINEUNITUNDEROPERATIONShengDerenetal(28)©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.