干法脱硫石灰消化工艺

第32卷第5期华电技术Vo.l32No.52010年5月HuadianTechnologyMay.2010马骏彪,邓辉鹏((),100035):NID,,:;;;;;:X701.3:B:1674-1951(2010)05-0074-06:2009-07-170,2008(Ca(OH)2),(CaO),1,,2,,,,,,,,,,,,,,,,,,,,,,,,50m,,,,,2,,,,,,,(,),,,,1.1,1.1.1,80%;,2mm;(T60),3~4min;(CaCO3),5%,(CaCO3),,,,第5期马骏彪,等:干法脱硫石灰消化工艺751.1.2,70%~80%;(T60),3~4min;,2~10mm;MgO,1%(),,MgO,MgCO3,,,1.2(,kg/kg),1.2.1,11.14~11.561.2.2()10.3~10.55,,10.46,NID10.5,10.25~10.65,,,10.3~10.551.3,,2:;2,,,,2~101%1%10.3~10.55,,,1%,,,20~256%22.1,,2,,,,,,,,,12.2,,,,,,,,2.3250MW,2100MW2100MW::,85%;,2mm;(T60),3min;,4min:,100%(BMCR);CaO(85%),4435kg/h:,70;,300g/kg;,,70;,30;,30g/kg;,:,15000Pa;,5m/s;,4s;,970mm;,22m:,9000m3/h,(180m3/min,);,25000Pa;,132kW;76华电技术第32卷1,13:,167m3/min(221m3/min);,15m/s;,2.5m/s;,15m/s;,1400mm:,1600mm;,7400mm;,75:,1600mm;,7400mm:,100%(BMCR);CaO(85%),4435kg/h;,1.05~1.50kg/kg;,2500~3600kg/h,1500~2500kg/h,500~1500kg/h:,3000Pa;,1353NID3.1NID,,,CaO2,CaO,CaO,,,85~95,,CaOCa(OH)2CaO,Ca(OH)2,Ca(OH)2,0.55g/cm3,1g/cm3,(5%)3.2,,,,SO2,NID,(SO2)(5%),25min,,,,,25~30m2/g,20m,10m,,,第5期马骏彪,等:干法脱硫石灰消化工艺7744.1,,,,-,,,,,(),,,100,,,,224.2,100,,0.5%,,,,,,,2,,2,,55.1,,,,,2.6m3,7.5kW,3.5~18.5r/min(),3315~25min,,,,,1,,,5,11r/min,7.5kW,,,60~80min,,,5.2(1)500mm1000mm1300mm2600mm1,,,,78华电技术第32卷,806,,44(2),,,,51000kg/h,15kW,,90%(5=)(3)3.5~18.5r/min,0.11~0.57m/s11.26r/min,0.62m/s(4)(5)15~20min,60~80min(6),330min,(14r/min25r/min),21035r/min,,14040r/min,100~160,10050r/min,100,100~190130~160611NIDCaO70%,T604min,3~10mm80%,T603~4min,2mm80%,T603min,2mm80%,T604min,3~10mm,MgO1%8m,22m2/g,0.5%8m,22m2/g,1.5%10m,25m2/g,5%10m,20m2/g,1%,,,,,,,,第5期马骏彪,等:干法脱硫石灰消化工艺79NID,,,,7,666,,,,,,,,,,,,,1,,:[1],,,.[M].:,2003.[2].[M].:,2004.[3].[D].:.[4],,.MgO-CaO[J].,1996(6):412.(编辑:王书平):(1962),(),,,(1980),,,,(上接第59页)(3),(4),(5)(),,610,7,,,,,:[1].[M].:,1994.[2],.[M].:,2000.(编辑:刘芳):(1963),,,,第5期Abstracts83tionCorporationLimitedwasdescribedinthispaper.Itisdemonstratedbycalculationthattheexcellenteconomicalbenefithasbeenobtainedafterthereformation.Keywords:honeycombsea;lenergyconservationandconsumptionreduction;heatrateofunit10-05-63AnalysisofoperatingconditionofhighefficiencyfilterandtechnicalreformationschemeLIYuwei(LiaoningHuadianTielingPowerGenerationCorporationLimited,Tieling112000,China)Abstract:Theoperatingprinciple,structureandworkingsituationofhighefficiencyfilterwerediscoursed,andthetechnicalreformationschemeofhighefficiencyfilterwasintroduced.Theadvantagesanddisadvantagesofthehighefficiencyfilterwereanalyzed,andthemethodsforsolvingtheproblemswereputforward.Keywords:highefficiencyfilter;technicalparameter;operatingprinciple;technicalreformationscheme;operatingsituation10-05-65ReasonanalysisandtreatmentfortheleakageofthehighpressuresuperheaterinheatrecoveryboilerofS109FAgasturbineZHAOYong(HangzhouHuadianBanshanPowerGenerationCorporationLimited,Hangzhou310015,China)Abstract:InthepeakshavingoperationmodeoftheheatrecoveryboilerofS109FAgasturbineinHangzhouHuadianBanshanPowerGenerationCorporationLimited,someproblemswereexposed.Thisarticleintroducedtheleakageof#2highpressuresuperheaterindetai;lanalyzedthereasonsoftheleakage,andputforwardtherelevantreformationmeasures.Afterthereformation,theunitoperateswel.lKeywords:heatrecoveryboiler;highpressuresuperheater;leakage;analysis;treatment10-05-68Twotypesofnewsteelmaterialfor660MWboilerandtheirweldingprocessCHENJiankang(WangtingPowerPlant,Suzhou215155,China)Abstract:Insupercriticalunitsandultrasupercriticalunits,theT92/P92steelandSuper304steelweremoreandmoreused.Referringdomesticandabroaddocumentsandmaterials,thedevelopingprocessandtheperformancesofT92/P92steelandsuper304steelwereintroduced,thechemicalcompositionsofthetwosteelswereanalyzed,andtheirweldingprocessandweldingmethodwerediscoursed.Keywords:T92/P92stee;lSuper304stee;lchemicalcomposition;weldingprocess;660MWunit10-05-71ReasonanalysisofblockageofdesulphurizationsystemGGHandcountermeasuresZHAOHongwen(InnerMongoliaHuadianBaotouPowerGenerationCorporationLimited,Baotou014013,China)Abstract:Thegasgasheaterofthedesulphurizationsystemwasblockedfrequently,whichseriouslyinfluencesonthenormaloperationofthedesulphurizationsystemandbecomesimportantprobleminfluencingonthesystemoperationrate.ThereasonofGGHblockagewasanalyzed,andsolvingmethodwasproposed.Keywords:gasgasheater(GGH);blockage;demister;sootblower10-05-74LimehydrationprocessindryfluegasdesulphurizationMAJunbiao,DENGHuipeng(ChinaHuadianEngineeringCorporationLimited,Beijing100035,China)Abstract:Thebasicprincipiumoflimehydrationprocessfordryfluegasdesulphurizationandtheinfluenceofinputconditiononthehydrationreactionwereintroduced.Thecontrolrangeofsomeimportantparametersinhydrationprocess,suchaslimewaterratio,watercontentandothers,andthedemandofquicklimequalitywereexpounded.Thetechnicalprincipleandtheoperationsituationofseveralhydrationreactors,suchasthecirculatingfluidizedbeddryhydrationreactor,theNIDdryhydrationreactor,thehorizontaltypedoubleshaftdryhydrationreactorandthehorizontaltypetwostagedryhydrationreactor,werecomparedwitheachother.Theexamplesofseveralpracticalproj