影响脱硫效率的因素分析

第32卷第10期华电技术Vo.l32No.102010年10月HuadianTechnologyOc.t2010李江,彭宜藻,张爱民(,225005):-,,,,:;;;:X701.3:B:1674-1951(2010)10-0068-04:2010-05-1802330MW-,,20051112,,SO2,,,,,,1-,,SO2,SO3,:SO2+H2O=HSO-3+H+,(1)CaCO3+H+=HCO-3+Ca2+,(2)HSO-3+1/2O2=SO2-4+H+,(3)SO2-4+Ca2++2H2O=CaSO42H2O(4)SO2,,SO2,10%,2:;SO2,pHSO22-,2,2.1SO2,SO2SO2,,NTU=ln(yinyout)=KAqm,:NTU,;yinSO2;youtSO2;K,kg/(sm2);A,m2;qm,kg/s,,2.1.1,11第10期李江,等:影响脱硫效率的因素分析691,,,,,,,200835,#7#6,2,,,,,,,,,,,,,,,2.1.2pHpH,,,,,;,SO2,pH,,pH,,,,2pH,,pH,,pH5.8,,,H+,Ca2+,SO2,,pHSO2,pH,pH5.6,,Ca/S,,,2.1.3SO2,SO2,,,,SO2,SO2,SO2;,SO2,SO2,SO2,33SO23,SO2,,SO2,,,HSO-3,,(1)(2),,HSO-3,2008,,,SO2,,SO2,,SO2,,,SO22.1.4,(3),HSO-3SO2-4,HSO-3,Ca2+CaSO42H2O,,70华电技术第32卷,2008,,,,,SO22000mg/m3,5000mg/m3,6000mg/m3,1molSO20.5molO2,SO2,,HSO-3,,,,,2,,2,,SO2,2,#6#721,SO2,SO2;#4,#42#6#7,,,SO2,,SO22,2.1.5220095%CaCO3,,,,,,,,,,,,,,,,,,,,2.1.6,,,1150kg/m3,CaCO3CaSO42H2O,CaSO42H2OSO2,;(1075kg/m3),CaSO42H2O,CaCO3,,CaCO3,,,(1085~1130kg/m3),,,,,,330MW2,,2.1.7,CaCO3,Fe3+Mn2+,,Hg,Mg,Cd,ZnCa2+HSO-3,400mg/m3(),1%~2%,CaSO42H2O,,CaCO3,pH,pH,#6#7,FGD50mg/m3,,,,pH2.1.8Cl-Cl-,,,,,Cl-20000mg/L,,Cl-12000mg/L,FGD,pH,CaCO3,Cl-HCl第10期李江,等:影响脱硫效率的因素分析71,,,Cl-2.22.2.1,,,(FGD),SO2,SO2(GGH)SO2,,SO2GGHSO22,GGH,,,,,,,2.2.2GGHGGH,GGH,GGHGGH,,,,,,,,,,GGH,GGH,,SO22560mg/m3,GGHSO297mg/m3123mg/m3,,GGH2.2.3,,,,,,,,GGH,GGHGGH,GGH,GGH,,,GGH,(),,GGH,GGH,GGH,,,,,,,,,2008919925,#7GGH,GGH,,GGH,,1,GGH,,#7,,,290MW,100%,,,,GGH,,GGH,GGH,GGH,2008126,#7,GGHGGH,1,,GGH,(下转第75页)第10期张瑾:生物质能电厂的!小∀与!精∀756,0.3hm2,,,13120.4m14.7m,1864m2,12.3m(,);,36m12m,4.8m,440m213,42.0m14.1m,12m,1645m2:25MW,5min,,(编辑:白银雷):(1975#),,,,(上接第71页)1#7/MW/A/%GGH/kPaGGH/kPa/%(FGD)SO2/(mgm-3)SO2/(mgm-3)/%2008-09-15()265.0143.6591.031.001.884505379912008-09-28()244.0144600.350.364.123120157942008-12-01()265.5152.8650.50.514.09287723195,2.2.4(CEMS),,,CEMS,CEMS,,SO2,,SO2SO2,,SO2,,2,3:SO2,,pH,,,,,FGD,,,,,;,,:[1],,.[M].:,2006.(编辑:王书平):(1980#),,,,(1963#),,,,(1968#),,,,第10期Abstracts79Abstract:Somefaultsoccurredinbeginningofoperationofapowerplant,whichincludethatthelineardisplacementconvertorwasjammed,thetemperatureoftheservomotorinshutdownautomationmodewashigher,andtheguidevalvepistonofgovernorwasdropped.Thereasonsofthesefaultswereanalyzed,andthesolvingmethodsweregiven.Keywords:governor;servomotor;jam;lineardisplacementconvertor;guidevalve10-10-50MonitoringofequipmentnoiseinthermalpowerplantandnoisereductionmeasuresWANGBenjun,ZHAIShenhu,iSONGXiaodong,CUIQingjie(ShandongElectricPowerEngineeringConsultingInstituteCorporationLimited,Jinan250013,China)Abstract:Takinga300MWthermalpowerunitasexample,basedonthefieldmonitoringdata,thereasonsofthenoiseofmainequipmentswereanalyzed,thenoisecontrolwasdiscussed,andrelevanttreatmentmeasuresweregiven.Keywords:thermalpowerplant;300MWunit;noisemonitoring;treatmentofnoisereduction10-10-55Hoistingschemefordismantlingsteamdrumof600MWunitZHOUPingyuan(HunanThermalPowerConstructionCompany,Zhuzhou412000,China)Abstract:IntheboilersteamdrumdismantlementengineeringoftheZhanjiangOrimusionPowerPlant,thesteamdrumisrequiredtobereusedafterdismantled.Thesizeofthedrumisabout27.0m4.0m3.5m(lengthwidthheight),thehoistingweightisabout2400kN.Thesteamdrumdismantlementhoistingschemeandthetechnicalrequirementwereintroduced.Themethodsofloadcomputation,thedesignofthehoistingequipment,thestrengthcheckandthestandcolumnstabilitycheckweregiven.Aftertheschemewasimplemented,thehoistingtaskwasfinishedsuccessfully.Keywords:600MWunit;steamdrumdismantlement;hoistingscheme;strengthcheck;standcolumnstability10-10-59ApplicationofenergylossanalysisinenergyconservationmanagementYANGXuhao(MudanjiangSecondPowerPlantofHuadianEnergyCompanyLimited,Mudanjiang157015,China)Abstract:Takinga200MWunitasexample,thedefinition,thecalculationprincipleoftheenergylossanalysisandthedeterminingmethodofitscalculationmodelwereintroduced.Theinfluenceoftheapplicationofenergylossanalysisontheuniteconomicalefficiencywasanalyzed,andthewayforenterprisetosaveenergyandreduceconsumptionwaspointedout.Keywords:energylossanalysis;calculatingprinciple;referencevalue;calculationmode;lenergysavingandconsumptionreduction10-10-63Calculationofcoalfiredunits'carbonemissionandstrategyofenergysavingpowergenerationdispatchingLIUJinxiong(HubeiXisaishanPowerGenerationCorporationLimited,Huangshi435001,China)Abstract:Amethodforcalculatingtheindicatorsofcarbonemissionofeachunitusingexisteddatainpowerplantwasputforward,andthedifficultproblemofindicatorcalculationofcarbonemissionforseveralunitswithdifferentparametersandcommonusedchimneywassolved.Accordingtotheideaofenergysavingpowergenerationdispatching,astrategyofenergysavingpowergenerationdispatchingbasedonthecarbonemissionindicatorswasputforward,whichcanensurethecarbonemissionoftheareapowergridtobeleast.Keywords:carbonemission;calculation;dispatchingstrategy;energysavingandemissionreducing10-10-68AnalysisoffactorsinfluencingondesulphurizationefficiencyLIJiang,PENGYizao,ZHANGAimin(JiangsuHuadianYangzhouPowerGenerationCorporationLimited,Yangzhou225005,China)Abstract:Thelimestonegypsumwetdesulp