lifac脱硫系统对锅炉热力试验影响的修正

LIFAC(,210029)[]LIFAC,LIFAC,;;[];;;[]TK411.+5[]A[]1002-3364(2002)01-0020-02,,LIFAC,SO2,,,,1HG-420/13.7-YM1,,0.92%LIFAC29.7m32.2m2,,,9,,CaSO2,Ca,,LIFAC12LIFAC1LIFACSar/%0.92SO2()/mgm-3632/th-14.92/%93/2.5()/m3s-1151()/m3s-1160()O2/%6.6CO2/%11.6N2/%74.5H2O/%6.3SO2()/mgm-32526()H2O/%13.2SO2()/mgm-3632/kgs-19.17/%75()/m3s-110/321/55/70/kW32852.1(1)LIFAC,,(2),(3),mu2002(1)©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.:,CO2,SO2,SO2,2.2(1),,(2)LIFACSO22.3,,,,,(1)CO2DCa,B,:V3CO2=DCa/B22.4/100m3/kg()(2)SO2V3SO2,SO2S1,V3SO2=SO2S1/100m3/kg()(3)RO2V3RO2=V3CO2-V3SO2(4),RO2RO23,RO23nRO2,=21/(21-(O2-0.5CO))(5),Vgy,:V3gy=Vgy+V3RO2(6)RO2RO23=V3RO2/V3gy,RO2=RO2+RO23;N2=100-RO2-O2-CO:(1),,(2)CaO:GCaO=DCa56/100/Bkg/kg(3)SO2:GSO2=Sar/10064/32S1/100kg/kg(4)Afh=Aar0.9+(GCaO+GSO2)100%,:(1),DH2O,:V3H2O=DH2O/B/1822.4m3/kg()(2):Vsyhh=Vsypy+V3H2Om3/kg()(3)Vjrf=VsyhhCp.sy(tjr-tjr)/Cp.rf/(trf-tjr)m3/kg()(4)Qjr=VjrfCp.jrf(trf-t0)kJ/kg(5)rf=Qjr/Qr100%1125MW(2)21/%5.255.37/%0.0500.0501.3311.341/144.0159.8/5.42.5/335344/th-14.08/th-118.3/62.0/80.0SO2()/mgm-3202768/%3.973.23/%4.083.51RO2()/m3kg-10.0169()/%4.591/%7.0678.079/%0.2200.222/%1.4050.966/%0.5940.590/%0.1660.177()/%90.5589.97()/m3h-136240/%1.24()/%89.3189.97(27)2002(1)mv©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.(4),2.2(1)34,(),,2,(2)56753(1),,(2),7,,[][1].[D].:,1998.[2].[D].:,1996.:(1975-),,(21)3(1)LIFAC,(2)LIFAC,,(3),:(1966-),,,,19922002(1)m|©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.THERMALPOWERGENERATION2002.No.1ContentsCALCULATIONANDANALYSISONTHERMALECONOMICASPECTFORASSEMBLEDHEAT-ELECTRICITY-COOLTRI-COGERATIONSYSTEMCOMPOSEDOFHATCYCLEZHUHuaetal(2)Theassembledheat-electricity-cooltri-cogenerationsystemisaneffectivewayforreasonableandfull-scaleutilizationofenergysource.Expertsarepayingagreatdealofattentiontothehumidairturbine(HAT)cycleduetoitsgoodthermodynamicandenvironmentalperformance.AcomparisonbetweenHATcycleandSTIGcyclehasbeenmade,puttingforwardanewwayofenergyutilization,i.e,anassembledheat-electricity-cooltri-cogenerationsystemcomposedofHATcycle,andcomparingtheformandspecificpropertyofthesaidsystemwiththoseofconventionalpower-generationsystemadoptingtri-cogeneration.Thesaidassembledtri-cogenerationsystemcom2posedofsimpleHATcycleonthebasisofsingle-shaftcompressorhasbeenprogrammedandcalculated,andtheregularinfluencepatternofmainsystemoperationalparam2etersuponthespecificpropertyofHATcycleandthesaidassembledsystemhasbeenstudied.ACOMPARISONBETWEENCORRESPONDINGSYSTEMSOFHOME-MADE300MWUNITANDHITACHIMADEUNITWITHSAMECAPACITYHANZi-jun(6)Therearesomedifferencesinthestart-upmode,thecoolingwatersystem,theheatingmodeofdeaeratorandthedrainsystemofLPheateroftitleumits,Throughcompari2son,thesaiddifferencesareidentifiedandanalyzed.Theobtainedresultscanbeusedasreferencesinthedesignofthermalsystemfornewumitsorinretrofittingoldones.THEINFLUENCEOFBOILERSTRUCTURALPARAMETERSUPONITSNOXEMISSIONCAPACITYWANGChun-changetal(11)Basedontheresultsofmeasurementandtest,thedifferenceofNoxemissioncapacitybetweentwoW-shapedflamefurnacesinHuanengYueyangPowerPlantandHuanengLuohuangPowerPlanthasbeendiscussedandanalyzedfromaspectsofoperation,burnedcoalsorts,andstructureofequipment.Theinfluenceoffurnacestructuralparame2tersupontheNoxemissioncapacityhasspeciallybeenemphasized.ANALYSISONTHEOPERATIONOFFLUEGASDESULFURIZATIONPROCESSWITHEA-WATERINMAWANGENERALPOWERPLANTJIAOXian-feng(14)Thecompositionoffluegasdesulfurizationsystemwithsea-waterusedonunitNo4atMawanGeneralPowerPlantofShenzhenCity,theprocessfeatures,aswellasopera2tionsituationandtroublesomeproblemsoccurredfromputtingthissystemintoservicearepresented.EXPERIMENTALSTUDYTOHYDRODYNAMICPROPERTYOFVERTICALNATURALCIRCULATIONUNDERTHEINFLU2ENCEOFIMPULSEHEATLOADZHUYu-qinetal(17)Inordertoinvestigatetheheatrecoveryboilerofsteelsmeltingconverters,asimpleandreliableexperimentalsystemhasbeendesigned,andtheinvestigationofhydrodynam2icpropertyforverticalnaturalcirculationunderimpulseheatloadhasbeencarriedout.Theinfuenceofimpulseheatloadandunder-enthalpyofworkingmediumuponhy2drodynamicpropertyconcerningverticalnaturalcirculationhasbeenanalyzed,thegeneralvariationalruleofhydrodynamicpropertyhavingbeenobtained,andsomerecom2mendationsforimprovingwatercirculationconditionsofheat-recoveryboilerforsteelsmeltingconvertershavingbeenputforward.CORRECTIONTOTHERMODYNAMICPERFORMANCETESTFORBOILERSWITHINFLUENCEOFLIFACDESULFURIZA2TIONXIAOJIE(20)TheinfluenceofLIFACdesulfurizationtothermodynamicperformancetestmethodofboilersanddataprocessingthereofhasbeenstudied,acorrectionmethodfordatapro2cessingofefficiencytestunderconditionofputtingLIFACsystemintooperationhasbeenproposed.Whenthesaidsystemwasunderoperation,thedustflow,fluegasflowandthecompositionoffluegaswereaffectedbytheinjectionoflimestoneintothefurnace.Apartofheatwascarriedoffbythehotairbeingextractedforheatingthefluegas,andthesamplingmethodofflyashintestwasdifferentfromnormaltestduetoash-recirlculation.EXPERIMENTALSTUDYOFBURNINGKAIYUANBROWNCOALINCFBBOILERSWANGZhi-wenetal(22)Theexperim