火电厂锅炉运行优化目标值计算方法的研究

2006(09)27:200605251,2,1,1,1(1.,710032;2.,100025)[],;,600MW,,,[];;;;;[]TM621.4[]A[]10023364(2006)09002703,,,,,,,,1,,,[1](1),,,,(2),,,,(3),,,,,:T=f(D,M,t)(1):T;D;M;t2,;282006(09),,[1],,,,[2],,q2q4(2)(3)q2=(K1+K2)tpy-tsf100(2)q4=33727AarQnet(90Cfh100-Cfh+100Clz100-Clz)(3)q2;q4;tpy;tsf;;Qnet;Cfh,Clz;Aar;K1,K2,,((2)(3)),,q2,T=f(Qnet,tpy,T,tsf,O2py,T)(4)q4,T=f(Qnet,Cfh,T,Clz,Aar)(5)q2,T;q4,T;tpy,T;O2py,T;Cfh,T,:T=f(q2,T,q4,T,q5,q3,q6)(6):q3;q5;q631HG1025/18.2M,1,20,270,1025t/h,()1361Car/%60.17Har/%2.83Oar/%2.40Nar/%0.98Sar/%1.20Mar/%7.03Aar/%25.39Qnet,ar/kJkg-123003,121Qnet,ar23042kJ/kg(4)(6)22,4,2006(09)292Qnet,ar19013kJ/kg,,,2.55%,,[3]O2pytpyO2pytpyCfh;,,3,21234/%5.45.83-0.75.125.83-0.995.35.5-0.265.15.5-0.46/1281201.987138125.72.671301162.4951381321.05/%2.22.6-0.62.82.630.2572.72.50.252.752.50.308/g(kWh)-10.6871.9372.4850.898Q2/%7.1786.81.3756.455.971.7285.985.352.245.335.150.613Q4/%1.31.49-0.671.561.490.2561.251.180.251.271.180.307/g(kWh)-10.7051.9842.490.92/%90.290.390.70590.6791.221.98591.492.152.4992.0892.340.92/%2.552.410.22.39/%00.0005003;g/(kWh)31234/MW252252301301/10.2311132Qnet,ar/kJkg-1190131901323042230424(1),,;,(2),,3%,(3),[][1].[J].,1999,(2).[2]GB1018488,[S].[3].[J].,2003,(5).THERMALPOWERGENERATIONVol.35No.9Sep.2006Contents&AbstractsPERFORMANCEANALYSISOFTHEPOWERGENERATINGSYSTEMWITHICGCCYUTingfang,CAINingsheng(1)Abstract:Differenttypesofpowergeneratingsystemwithintegratedcoalgasificationcombinedcycle(ICGCC)havebeenpresented.Theconceptde2signofICGCCsystemofusingairforgasificationhasbeencarriedout,fourtypesofICGCCpowergeneratingsystemwithairforgasificationbeingcal2culatedandanalysed.Theresultsofstudyshowthat(1)thecoalfiredICGCCpwergeneratingsystemtohavecomparativelylargecomprehensivesu2periority;(2)undersamedesignedparameters,theICGCCsystemwithfluidizedbedgasifieroflowertemperatureandthatwithairflowbedgasifierofhighertemperatureeachhasitsstrongandweakpoints,itisrecommendedtousefluidizedbedgasifierforICGCCsystemallocatedwithlowtempera2tureroughcoalgaspurificationsystem;(3)duringtheprocessofofdesigningICGCCsystem,theinlettemperatureofgasturbineshouldchoseahighvalueaspossible.thereisanoptimalpressureratiovaluecorrespondingtothesaidtemperature;(4)thepowersupplyefficiencyofICGCCsystemtobe57percentagepointhigherthanthatofaconventionalpowerplant.Keywords:ICGCC;powergeneratingsystem;conceptdesign;performanceanalysis;usingairforgasification;gasifierADVANCEMENTOFTHEORETICSTUDYONRIJKETUBEANDCOMBUSTIONFACILITYTHEREOFLIUYunfang,CHENGLeming,ZHENGHaixiaoetal(4)Abstract:ThetheoreticmodelofRijketubeandrelatedfacilityhasbeenanalysedandsummarized.Themodelisclassifiedintothreetypes,namelythequalitativeone,thephenomenologicalone,andthebasicone.Explanationofanalyticmethodforthethreesaidmodeltypeshasbeencarriedoutwithexamples,andthedevelopmentoffindingthesolutionformathematicalmodelsbeinginduced.Atthesametime,themainproblemslyingaheadestab2lishingmodelforthepulsatingfluidizedbedcombustiontechnologyhavebeenpointedout.Keywords:Rijketube;pulsatingburner;mathematicalmodel;fluidizedcombustionOPTIMALDISTRIBUTIONOFFEEDWATERENTHALPYRISEINTHEREGENERATIVESYSTEMBASEDONMASSUNITMA2TRIXANALYTICALMETHODCHENHaiping,LINAnfei,WUJunfeng(11)Abstract:Onthebasisofmassunitmatrixanalyticalmethod,takingthermalsystemofsteampowergenerationunitasstudyobject,anewmethodoffeedwaterenthalpyrisedistributioninregenerativesystemhasbeenputforwardthroughvigorousmathematicaldeduction.Byusingthenewmeth2od,theapproximatebehaviorandhypotheticalconditionsintraditionalmethodhavebeeneliminated,andempiricalcorrectionfactorneednttobea2dopted,makingthecalculationmethodtohavemorereality,andmakingthedistributionresulttobemoreobjective.Keywords:heater;regenerativesystem;feedwaterenthalpyrise;massunit;matrixanalysisTESTSTUDYONFLOWBEHAVIOROFGASSOLIDTWOPHASEFLOWTHROUGHAHORIZONTALDIFFUSERRUANXiaodong,ZHAOWenfeng(15)Abstract:Inordertostudytheflowbehaviorofgassolidtwophaseflowthroughahorizontaldiffuser,theflowsituationofgassolidtwophaseflowwithdefferentsizesolidparticles,differentgasflowrate,anddifferentinletpositionoftheparticleshasbeenmeasuredbyusingparticleimagevilocimetry(PIV)technology.Itisfoundfromthetestthatthegasvelocitywasobviouslyacceleratedwiththeexistenceofsolidparticlesafterthecrosssectionindiffusertobeexpanded,andonlythesolidparticleswithadefinitesizecanmakethegastohavehighervelocity.Forthesameflowrate,theinletpositionofsolidparticlescanalsogreatlyaffecttheflowvelocityofparticlesinthepipeline.Keywords:gassolidtwophaseflow;flowbehaviormeasurement;PIV;twophaseinteraction;pneumaticconveyingDESIGNANDOPERATIONOF480t/hCFBBOILERBAOShaolin,LBQinggang,NAYongjieetal(18)Abstract:The480t/hcirculatingfluidizedbed(CFB)boilerdevelopedjointlybytheEngineeringThermophysicsResearchInstituteunderTheChineseAcademyofSciencesandHuaguangBoilerCoLtd,WuxiCityofJiangsuProvince,hasbeenputintooperationatHuadianWudaThermalPowerCoLtd.operationshowsthatthesaidboilerhasfeatures,suchashighcombustionefficiency,stableperformance,andgoodreliability.Thestructurede2signandoperationsituationofsaidboile