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:20020730:(1961),,,,1983,:CN311508(2003)01005906900MW,,(,200245):;;:900MW,,900MW,:TK229.2:B080,CE300MW,20,300MW600MW,90,,(CFB)2(HRSG)900MW900MW1900MW900MW,21.48m21.48m,,20m,SA2335P911.1900MW()90900MW,ALSTOM,(P91)11900MW1()2()34()567()8910111213()14()1516171819202122232434120031BOILERTECHNOLOGYVol.34,No.1Jan.,2003©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.2900MW2.1900MW22,900MW,20m,,,100mm,,,,2.2900MW3,,2.2.1900MW21.5m3.7m,,,SA2213T91,:(1)20m,2mm1SA2355P113ID20060SA2213T11SA2182F12C1.2L=22680444.581007169517.5442SA2335P113244.550SA2213T11SA2182F12C1.2L=21720433.75.610014329015407014.516385.610071642.29.7123SA2106C,SA2182F1ID30065SA2209T1901530L=235002387.1600732SA2106C26.75.614ISA2335P117SA2182F12C1.2ID27075SA2213T119517.522L=22680248.38.8100623SA2213T1148.38.8285SA2106C6SA2106CID36075SA2210C88.915.211L=22680142.76.31001068SA2210C42.76.3116SA2106C6ID36075SA2210CSA2182F1L=22680142.76.310010689015117SA2335P1110SA2335P11ID62045SA2209T188.915.211L=22680154482178033.44.6118SA2335P2210SA2335P22ID52065SA2213T2288.915.212L=115402545821780SA2335P1142.46.35129SA2335P229SA2335P22ID52050SA2213T2288.915.212L=11540263.54100792SA2335P1142.46.35120634©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.J,J(2)900MW,,(3)SA2213T91,,ALSTOM,,,(RTMT)3mm1SA2213T9144.57.1SA2213T91X15CrNiSi2520227/44.57.1X10CrAl182SA2213T9148.37.1(8)SA2213T22X15CrNiSi25201785/48.310X10CrAl188910/3SA2213T9148.38.8SA2213T22X15CrNiSi2520226/48.38X10CrAl18SA2210C42.76.3SA2213T221786/48.3104SA2213T11SA2213T11SA2387Gr.1248.38.8SA2182F12C1.2X15CrNiSi2520897/5SA2209T1544SA2213T11544.5SA2213T22X15CrNiSi2520SA2213T2254548.38.8X10CrA17178,10/6SA2213T9163.54.54418/SA2213T2248.38.8X15CrNiSi2520X10CrAl182.2.2T912.2.2.1,,200,,300200,,2.2.2.220,,2.2.2.3,100%RTMT2.2.2.42.3()42.3.1,:;,,,,,,900MW161,:900MW©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.4mm1:SA2213T11706.3:SA2204A617012:21000150020002823:SA2213T1144.58:SA2387Gr.12C1.1675.5::SA2213T1144.58:SA2387Gr.12C1.1675.5:1100029003200:28:1430029003200:28,:1700029003200::SA2209T133.76.3:SA2204A626.3::SA2209T133.76.3:SA2204A626.3:SA2213T11386.3:SA2387Gr.12C1.16151024::SA2213T11386.3:SA2387Gr.12C1.1615::SA2209T1386.3:SA2204A611.06:3m:2200030005:SA2209T1387.1:SA2204A622223m1.5m60m,,,,,1,(1),,,,,,,,,,,,,,2634©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,,,(2),,,,,,,,,2.3.2900MW,,,,,,,,,,,,,,,,,,,2.3.32,,,,,2.3.4,(),,,(),,2.4900MW,SA2335P91,ID255mm45mm5000mm,8P91,P91,,,,P91200,300,,361,:900MW©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.200300,200,3004002h,,,P91,,,,,,2.5900MW6SA2182F12C1.2,ID420mm70mm4000mm,,,4(3),,4,,,,(22.5mm),,,,33(1),,,(2)2900MW,,,,,TheManufacturingCharacteristicsOfthe900MWSupercriticalPressureMonotubeBoilerQIAn2fang,TIANJing2ji,HUABing2zheng(ShanghaiBoilerWorks,Ltd.,Shanghai200245,China)Keywords:supercriticalpressureboiler;evaporatorspiralwall;transitionsectionAbstract:Thereisntovermanydifferencesinthematerials,structure,andmanufacturingpro2cedureofeconomizers,superheaters,reheatersandheadersbetween900MWsupercriticalpres2suremonotubeboilerandtheformerboilersmadeinourcompany,exceptthesizeisbigger.Inproduction,themaindifficultyisthemanufactureoftheevaporatorspiralwallespeciallyitstransitionsection.Thearticleintroducesthemanufacturingcharacteristicsof900MWsupercriti2calpressuremonotubeboiler,especiallythediffcultiesandtheadoptedstepsforthedifficultiesintheproductionofthespirywaterwallstransitionsection.4634©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.