超超临界机组汽轮机材料发展状况

221200502ModernElectricPowerVol122No11Feb12005:100722322(2005)0120069207:A:TK265;TB1421,2,1(11,102206;21,100761)TheDevelopmentofMaterialsofSupercriticalUnitsorUltraSupercriticalUnitsMaoXueping1,WangGang2,MaZhiyong1(11NorthChinaElectricPowerUniversity,Beijing102206,China;21SPPowerDevelopmentCo1,Ltd,Beijing100761,China)::,,650:1;2;3(VCDESR),:;;;;Abstract:SupercriticalunitsorultrasupercriticalunitsarethefuturetrendofthefossilpowerplantinChina.Oneofthekeypointstodevelopsupercriticalunitsorultrasuper2criticalunitsisthedevelopmentofthehigh2temperaturecomponentmaterials.Thepaperintroducesthedevelopmen2talhistory,thestatusandthefuturetendencyindevelopedcountries,suchasAmerica,JapanandEurope.Thepro2gresseshaveestablishedabaseforthefurtherdevelopmentofsteamturbineunitat650.Throughanalysis,somemeasuresofimprovingmaterialpropertiesathightempera2turehavebeenpointedout.Theyare:(1)optimizingchemi2calcontentscanimprovethestructurestabilityofhigh2tem2peraturecomponentmaterial;(2)optimizingchemicalcon2tentscanimprovethefatigueproperties;(3)adoptingtheadvancedsmelttechnologysuchasVCDESRcankeeptheimpuritiesatlowestlevel,andthiscanenhancethegeneralhigh2temperatureproperties.Keywords:ultrasupercriticalunits;steamturbine;high2tem2peraturecomponents;high2temperatureproperties;material0,50,:2411MPa,538/566,3035MPa,5956501617MPa/538/538,38%,:2411MPa,538/566,41%,45%,,,,,,,:,,;,;;,12(550650),593649EPRI()EPDC()80,9%12%Cr566/566/566595/595/595650/595/595,9%12%Cr595/595/5951999(DOE)1520Vision21,760/76019811994593/593649/593593/59312%Cr,649/593,19952001,630/6309%12%Cr,80COST501,6251998COST522,600/6202090,ABB9%12%Cr,580/6009%12%Cr,Themie700AD2700600/620700/720,2,COST501:20;;ABB:60010100MPa;,;;56520565620,:565Cr2Mo2V,5959%12%Cr,60012()1565595620SPVHPHPIPCr2Mo2V12%CrCr2Mo9%12%Cr316Cr2Mo9%Cr316Cr2Mo9%Cr316Cr2Mo316Cr2MoNi2Cr2Mo2V:SPVHPHPIP25656001%2%CrMo9%12%Cr1%2%CrMo9%12%Cr1%2%CrMo1%2%CrMo315%NiCrMoV211,,CrMoV565Cr,,565,595072005SK·rb·KCr10%10CrMoVNbNMisumi112%Cr(TMK22)ABB10%Cr(X12CrMoWVNbN101)[3],X12CrMoWVNbN60010,100120MPa,W1%G2X12CrMoWVNbN60010,100MPa:SiS,(VSD:VacuumStreamDegassing),(ESR:ElectroslagRemelted),(VCD:VacuumCarbonDeoxidation)12%Cr,,PSSnMnSi:P01006%01008%,SnSSi01001%,Al01001%01004%,Mn0147%0148%,As01002%Sb01005%,WNbNB,Cr,Cr:595,C0112%0114%,N0104%0105%,,Cr=%Cr+6(%Si)+4(%Mo)+115(%W)+11(%V)+5(%Nb)-40(%C)-2(%Mn)-4(%Ni)-30(%N)3Cr12%CrCrMoVMisumi112%Cr(10CrMoVWNbN,TMK22)Mo(Mo+1/2W)%W/Mo,Mo110115%,W/Mo310412%CrTMK23Cr12%CrCrMoVCCrMoWVNbNB1%CrMoV0126110019013012%CrMoV0121121100130X12CrMoWVNbN011210110110012001050105X18CrMoVNbB910118911501250105010201010412%Cr(TMK2)CSiMnPSCuNiCrMoVNbWN01110112010501070147014801060108010010103015001531014010161013601380117011801040010451182118401049010521050l10010301050,620650680710,Cr1Cr12%CrMoVCrMoV1000001,100MPa,Cr5906252,10%CrMo(W)VNbV1%CrMoV2%CrMoWV5503412%Cr100000171:1Cr100000231105h12%Cr,Cr10%CrMo(W)VNbV12%Cr41%CrMoV1%CrMoV,10%CrMo(W)VNbV561%CrMoV12%CrMoV51%CrMoV10%CrMoV(W)VNbV61%CrMoV12%CrMoV712%Cr272005812%Cr630,12%Cr712%Cr863012%CrC3650W,212315%NiCrMoV,345,400455J(P+Sn)(Mn+Si)10-4,J10SiAlSi0102%0105%,S01001%01002%,SMnMnSNiCrMoV,J38FATT,NiCrMoVFATT(-70)(-60),NiCrMoVFATT(-40)(-10)NiCrMoV17000,350425480910Ni2Cr2Mo2V315NiCrMoV1000009Ni2Cr2Mo2V315NiCrMoV10Ni2Cr2Mo2V315NiCrMoV2139%12%CrSK·rb·KCr9%12%12%CrMoV,12%CrMo9%12%12%Cr2/Cr1MoV,59312%Cr(12%CrMoVNbN)CrMoV,12%Cr593CrMoV566GECAlstom371:9%12%Cr,600ABB1%W10%Cr(G2X12CrMoWVNbN1)60010,76MPa100MPa,12%Cr30MPa600,COST9%12%Cr12%Cr,NbW,CMoGECAlstom9%CrMoVNbN1%CrMoV912%Cr12%Cr,9%12%CrMoVNbN,Nb(C,N),,(CrMoV),9%12%Cr60012%Cr5512%Cr(%)CSiMnPSNiCrMoVNBNCr01110115012016013016010250102501401791511150171100120130105012013016935MPa650,,,111%CrMoV12%Cr111%CrMoV12%Cr11,12%Cr1%CrMoV,50012%Crl%CrMoV214,,12Cr21Mo,12Cr2Mo2V,12Cr2Mo2V2W56559356512CrMoVNbN,59312%Cr12CrMoVNbNW56512%Cr12CrMoVNbNW12CrMoVNbN25%600,,Nimonic80A,ABBGESiemens,Ti26Al24V,Ti15Mo5Zr3Al,90,3650:,WNbN12%CrCrMoV12%Cr,,,(VCDESR)472005,,[1],,1,20001[2]Viswanathan,DamageMechanismsandLifeassess2mentofhightemperaturecomponents,ASMInterna2tional,19951[3]1[J]1,1991,11(1):52641[4]1[J]1,2001,43(1):9131[5],1[J]1,2002(5):251[6]1600MW[J]1,2001,14(2):6970[7],,1[J]1,2003,23(2):22522257[8],,1600MW[J]1,2003(3):58621[9]1[J]1,2002(1):8121[10]11,2002,4(2):22281[11]1(suc)[J]1,2002(2):80821:2004204213:(1967),,,,60kW,60kW1,,1,,:1,,,1,,;,,,,,,60kW60kW,,,,20029,1271,,,,100%,11813,60kW60kW571: