循环流化床锅炉水冷壁蠕胀爆燃事故分析

:20030630:(1968),,:CN311508(2004)04006503(,200240):;;;:220t/h,,:TK229.6+6:B1,,,,,,[1],CO,,,CO,,,,CO,,,CO,,,CO,,,,,22220t/h,Alstom,,,306,8610mm,4770mm,31000mm,6700mm,15000mm,,,825m,,U,,300mm24,,20.75t/h1135420047BOILERTECHNOLOGYVol.35,No.4Jul.,20046mm,100mm10%,8.7kg/s,19679kJ/kg26.7Nm3/s,23.3Nm3/s,12.5Nm3/s3,,,,,,12.5Nm3/s,8.4Nm3/s,1.1kg/s,,700,2,6508:00,15:1510MPa,60%,35%,750,89t/h,1000Pa,15:50,,72%,16:13,12(2),,,2,2.2kg/s,16.7Nm3/s,22.2Nm3/s16:16,,,,2,2054,,,,,,,,,,[2],700,,350400,110s,1s,40%,,,2,:2850950[34],:TC=8.77109exp(-0.01276TB)dC1.16,TC,TB,dC,700,90012.7;750,9006.8,3mm,900,3.3s,750,22.3s,700,42.0s,700,800,870,,,89t/h,;130,6635150,285,290;8.4Nm3/s16.7Nm3/s,300,,,,,,,,,3115m850950,200mm400mm,,,200400mm,,,,,,2.2kg/s,0.75t/h,20.9Nm3/s,,1.45,7509006.8,1.5,,,CO,,,,,,5(1),(2),,0.5,850950,,,,;,,,,,(3)(MFT)650,,850950,,760,:[1].[J].,2002,(6).[2],.[M].:,1998.[3],.[M].:.[4],.[M].:.AccidentalAnalysisofWallCreepandFurnacePuffofCFBBoilerXIEJian2wen(ShanghaiJiaotongUniversity,shanghai200240,China)Keywords:CFBboiler;wallcreep;furnacepuff;accidentalanalysisAbstract:AnalysedtheaccidentofwallcreepandfurnacepuffofcertainCFBboiler,whichhap2penedwhensafevalvesoftheboilerwereadjusted,andbroughtforwardaccidentalpreventionmeasureaboutsafeoperation.Itisveryimportanttosafeoperationofsameboiler.764: