循环流化床锅炉的大型化及其耐火材料问题

191Vol.19No.120031PowerSystemEngineeringJan.,20031005006X(2003)01000104200300MW600MWTK229.6BScaling-upofCFBBoilerandProblemDealingwithitsRefractoryMaterialsLIUQing,LUJun-fu,ZHANGJian-fu,etal.Abstract:CFBcombustiontechnology,uptonow,isthemostcommercialcleancoalcombustiontechnology,andbecomesoneofthemostimportantdevelopingdirectionsforcoal-firedboiler.Withthedevelopmentoftechnology,thecapacityincreasescontinually,fromtheindustrialboiler,mediumcapacityutilityboilertolargeone.Several200MWto300MWCFBboilershavebeenputintooperationandthedesignof600MWCFBboilerisreliabletoo.Theoperatingreliabilitywilldependonthestabilityofrefractorymaterialsignificantly.Itintroducesthestatusofscaling-upofCFBboiler,thegeneralsituationofCFBboilerinChinaandtherequestofrefractorymaterials.Keywords:CFBboiler;scaling-up;refractorymaterialCFB20CFB12070Lurgi198591Duisberg95.8MWe75kg/sABB-CELurgi160MWeWaco19909199110ABB-CESteinFW80:2002-05-081965-,1000849.7220.83kg/s36.11kg/s61.11kg/s135MWAlhstromEVTFWABB61.11kg/sCFB22.1Turow3235MW+3260MWTurowBogatynia10200MWe303235MWe3260MWe20043235MWe3Turow22003191485MWe235MWe184.72164.72kg/s12.82.43MPa540235MWe280MWe1Turow235MWe1Turow235MWe2Turow2235MWe1234563260MWe2.2Gardanne250MWeGardanneProvence19961996Gardanne250MWe194.44kg/s16.9MPa5675661403Gardanne300MW2.3Jacksonville2300MWeJacksonville2300MWeJEAJacksonville/300MWeJEA300MWe/4JEA300MWe300MWe100%100%SO210%98%18.3MPa540300MWe3Gardanne4Jacksonville300MWe2.4300MWe18MPa300MWe2002600MWe135FW400MWe5FW400MWe3100MWe113.89kg/s9.8MPa5406100MWe6100MWe400t/h125MW19100MW1250MW6649007Circofluid5008910178()9()10()1115FBC5INTREXINTREXINTREXINTREX+1A53.1A-361276.23kPa93SO2SO3SOx/H2OC-2760.0025mm316L317L53A82A3.2AASTMA-6063.3A18C-276C-276CeilcreteARFlakeline103CeilcreteAR3.4FGDFGD904LA315FRPFRP4A300MW[1],,,.[M].:,2001.[2],.[M].:,1996.[3]TJWess.SeminoleElectricFGDStudyRevealsCorrosionMechanism,DustMaterialPerformance[J].PowerEng.,1994,98(12).3115//h---Al2O3--87%--18001102480MPa800385MPa14503100MPa110249MPa800312MPa1450314MPa80030.1%145030.5%259500.1%[1].[D].,1998.[2],.[J].,2000(4):232235.140120100806040300400500600700800900/