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:2002-05-08:,(1965-),,1986,:CN31-1508(2002)08-0009-05,(,200245):;;:,,,,:TK223.9:B04SG1025t/h16.67MPa540/540UP,:,,,steinmuller,19984;2000steinmuller,340%ECR,,NOx,,34,,DH,4,3m7m,300MW,O21%4199810200010,0.7mm1,,300MW1,3:3,:,NaC1Na+,,SO3,Na2SO4;,,SO3,K2SO4SO3,Fe2O3(NaK)2S2O7,M2SO4SO3Fe2O3Al2O3,(NaK)(FeAl)SO4,,,,Fe2O3,33820028BOILERTECHNOLOGYVol.33,No.8Aug.,2002©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,(NaK)2S2O7,,Fe2O3,(NaK)3Fe(SO4)3,:,NaClH2OSO2SO3,Na2SO4HClNaCl,HCl,,HCl,Fe2O3,COH2:,,,SO2,,,350,;Fe2O3,Fe3O4(Fe2O3-FeO)FeO,,,Fe3O4,,SClKNa,,,,0.81.5mm/104h,:(1)Sar1%;(2)O22%;(3)T3502,18300MW,10,,4,,120018,,:(1),,,,;(2),,,,,;(3),,,,,;(4),,NOx,(OFA),,,;(5),,,,;(6),,,,,,,,0133©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.3,300MW,,,,,:,:,;,,,;,,,,,,,,,,,,:3.1300MW,,1219951996,19971:19962000,2.4%,Sar=0.72%,12,:16WR,,(),2:2,300MW,5.6%;1,300MW,6.0%1:1Vdaf%Aad%Qad.netkJ/kgR90%%1()1220265179.490.80.32()10.95272452510.341.53.63.2300MW,,,200010,:8,,,20018,,:18m,248200118,0.44%,118,:©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.1.18%,Sar=0.35%,1,,60,40:,,290MW,,15O22%,O21%,,150MW,O22%,,,,,,,,,,,,30050050,14344SG1025t/h16.67MPa540/540UP,,,13035mm12195mm,45,980mm,,,6,;5,AFI3;2,1,,13035mm12100mm,132164mm,242213mm,10,,1500mm2,A,B,K13C,24D2,1,234,:4.11025t/h130133kW/m3,5.69MW/m2,16001800mm,1025t/h130kW/m3,5.31MW/m2,1500mm,4.605.70MW/m2,13001800mm4.2,,,,,,300MW1500mm,1025t/h,2200mm4.3,,,416,,1025t/h,,624,,,4.4,,2133©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,NOx,,,2,,4.5,,,,,1025t/h,,,51,,,34,steinmuller34,1,34,4,300MW87Nm3/h,92Nm3/h,90A85A;200A,180A,,,,1,,,,,,5,1,,:[1],.[M].:,1994.[2].[J].,2001,(4).ResearchintoHighTemperatureCorrosionofWater2WallinLargeBoilersZHANGXiang,SHAOGuo2zhenKeywords:water2wall;hightemperaturecorrosion;preventivemeasuresAbstract:Baseduponthetheoryandpractice,thetypeofhightemperaturecorrosionofwater-wallandthefactorsleadingtohightemperaturecorrosionarebrieflydescribedinlargeboilersforfiringleancoal.Theconcretemeasuresareintroducedtopreventinghightemperaturecor2rosioninlargeboileroftangentioninthepowerplantofShidongkou.318,:©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.