三种700电站锅炉用抗蒸汽氧化性能评价

44220133BOILERTECHNoLoGYV0144No2Mar2013700123(120024022002453201900)CCA617NF709SAVE2537007201300hCCA617NF709SAVE25CCA617NF709SAVE25CCA617CrzoaMCr0(M)NF709CrFe0SAVE25CrFe0TGl42B16724763(2013)020038070700[1_3]700[4]37001CCA6172NF709SAVE257001CCA617NF709SAVE253(13)CCA617CrNF709CrASMESAVE25CrCCA617231NF70934SAVE2534CCA617NF709SAVE25520mm15mm3mm20mm15mm3mm20mm12mm3mm30060010002Mm(7203)(2002)MPa10ppb1Lh1300hGBT133011991(00001g)(SEM)(EDS)20121120(10dzl201200)(1980)27001CCA617wt4GBT133011991K(1),DOLKgm2hggSITl2th(1)1300h55CCA617174101grn2hNF70923110-39m2hSAVE2592610qgm2h3CCA617NF709SAVE25CCA617NF709SAVE25423213313CCA6174044NF709SAVE253CCA6176zmNF70915mSAVE2511pm12222132CCA617(2(a))NF709(2(b))SAVE25(2(c))(c)SAVE2522700_!=hlrS3(OCrFeNi)EDS2(OCrFeNi)EDS33CCA617(3(a))CrCrNiNF709(3(b))FeFeCrCrNiCrNiSAVE25(3(c))FeNiFecrCrCrNi2EDS5[5_6]CCA617Cr20CrMCrO(M)NF709CrOFeCr20FeOSAVE25CrOFeCrOFeCrOFeO22234CCA617NF709SAVE253SEMEDS5EDS0CrFeCoNiMoCuA1CCA617SAVE2589652641650605602590611Crz03MCr204Cr203FeCr204Fe304Cr203FeCr204FeCr204Fe304Fe304O647O785817mL91712296335486578O6mmu444CCA6175EDSSEM(5(a))(5(b))123EDSMoNiMO(M=CrCo)NiONi11NiO0Ni11[7]NiONiOInconel600[8]Co12m10m5(c)45EDSNiEDSffmoleOCrCo1(i)4552()5953()6394()5705()53714694622999016251971308121301O8122333jCCA617EDSNF7096EDSNFT096(a)C6(a)bcb(6(b))12mEDSCrFeCrOC(6(c))210mEDSCrFeO2700EDSmolerjNFn9EDSEDSJOCrFeNi7SAVE25EDSSAVE25510m7EDSFeO233()CCA617NF709SAVE253CrOtsukaFujikawa7001000h]22CrCrO442022Cr20CrCCA617NF709SAVE253Cr20CCA6177201300hOtsukaFujikawaCCA617CrOMCrOCCA617CrCCA617AlNF709CrFeCrOFeOCrFeSAVE2520CrCrFeONF709CrCr333(CCA617NF709SAVE25)7201300h(1)3CCA617NF709SAVE25CCA617NF709SAVE25SAVE25NF709Cr(2)CCA617CrOMCrO(M)NF709CrFe0SAVE25CrFeO[1]RViswanathanJFHenryJTanzoshGStankoJShingledeckerBVitalisandRPurgertUSProgramonMaterialsTechnologyforUltraSupercriticalCoalPowerPlants[,J]JournalofMaterialsEngineeringandPerformance200514(3)281292[23RudolphBlumRodWVanstoneCMesselier-GouzeMaterialsdevelopmentforboilersandsteamturbinesoperatingat700[c]RViswanathanDGandyKColemanAdvancesinMaterialsTechnologyforFossilPowerPlantsUSAASMInternational2005116136[-31MIgarashiHSembaMYonemuraTHamaguchiandHOkadaAdvancesinMaterialsTechnologyforAUSCPowerPlantBoilers[c]DGandyJShingledeckerRViswanathanAdvancesinMaterialsTechnologyforFossilPowerPlantsUSAASMInternational20117285[4]PMayerHJWestwoodAndAVManolescuCorrosionRelatedProblemsinFossilFiredBoilers[J]JMaterialsForEnergySystems1980(2)5564[5]RBDooleyProgramonTechnologyInnovationOxideGrowthandExfoliationonAlloysExposedtOSteam[EBOL]2007EPRIReportNO1013666[63IGWrightandRBDooleyAreviewoftheoxidationbehaviourofstructuralalloysinsteam[J]InternationalMaterialsReviews201055(3)129167[7]PradyotPatnaikHandbookofInorganicChemicals[M]McGrawHill2002619[8]FAbeHArakiHYoshidaMOkadaRWatanabeTheeffectofgrainsizeonthecorrosionbehaviorofinconel600inhightemperaturesteam[J]CorrosionScience198121(12)819842[9]NOtsukaHFujikawascalingofAusteniticStainlessSteelsandNiclelbaseAlloysinHigh-TemperatureSteamat973K[-J]Corrosion199147(4)240248(73)2NO73NOReleaseLawsofCocombustionofPulverisedCoaJandBiomissBlendsatConstantTemperaturesWANGJinxin91ZHANGJiayuan2ZHANGYin93(1SchoolofEnergyandPowerEngineeringNorthChinaElectricPowerUniversityBaoding071003China2CollegeofElectricalEngineeringYanshanUniversityQinhuangdao066004China3DatangHuangdaoPowerGenerationCoLtdQingdao266500China)AbstractTheNoreleaselawso{co-combustionO{pulverizedcoalbiomassblendsatconstanttemperatureswerestudiedbymeansofanexperimentalsystemthatcansurveyNOconcentrationchangeofexhaustgascontinuouslyTheeffectsofblendingratiocoalbiomassandtemperatureontheNOreleaselawswerestudiedAndtheoryanalysisandsomeconclusionsweredonethroughsomeNOreleasecurvesAttheinitialstagetheincreaseofblendingbiomassratioiSinfavourofN0releasebutthepeakvaluesofN0releasecurvesareirregularwithblendingbiomassratioComparedwithblendinglowvolatilecontentcoalblendinghighvolatilecontentcoalcanincreasethepeakvalueofNOreleasecurvemoreobviouslyBlendingbiomasswithbothhighnitrogencontentandlowashcontentcanaccelerateNOreleaseoffuelcombinationattheinitialstageAttheinitialstagetheincreaseoftemperaturealwaysmakeforincreasingtheNOreleaseoffuelcombinationbutthereisadisorderatthebeginningstageKeywordspulverizedcoalbiomassconstanttemperatureco-combustionNOrelease(44)EvaluationoftheSteamOxidationResistanceofThreeTypesofAlloysfor700PowerPlantBoilersZHENGKaiyunlQIAnfan92WANGQijian93(1ShanghaiPowerEquipmentResearchInstituteShanghai200240China2ShanghaiBoilerWorksCoLtdShanghai200245China3BaoshanIron&SteelCoLtdShanghai201900China)AbstractThreetypesofdomestically-madealloysCCA617NF709andSAVE25for700ultra-supercriticalpowerplantboilersweresubjectedtoasteamoxidationtestingat700for1300handtheiroxidationresistancewasevaluatedthroughweightgainmeasurementandOXidationdepthobservationScanningElectronMicroscope(SEM)andEnergyDispersiveSpec-trometer(EDS)wereusedtoanalyzethemicrostructureoftheoxidescaleTheweightgainandoxidationdepthresultsshowthattheoxidationresistanceofthealloysdecreasesinorderofCCA617N