240th循环流化床锅炉低床压节能技术改造

44220133BOILERTECHNOLOGYVoI44No2Mal2013240th112(10300212043300)jls}TK2296+6B16724763(2013)0200250403240thUG24098M80tAO20058AO11111(1)40(2)(3)525(4)108822120121020(1963)44[1]223UG24098M11(th1)MPa'C24098540215139901823201113240th(1)402008729018125kWht119kWht1_rI-TTTl{I_l_T[[__llUJj7i='7t=?]L=1=iI]1_--_1t__-iIl1i}iI!!!Jljls1|LL!f5i2Ifi*jI19Tjl17rij=F}l1rJ1}J1i9j=L_l-LJct_JII}U713311165007500Pa(9000Pa)1500Pa5A[2]12003162240th32N0]230th30th33345kW315kW(2)12753209oA34200th223535133(kwht)1251045127532095205355872()35211(18234MJkg768t5040t0463kWh560t)(1)127530815MJkg343t20902MJkg842t(343+842)X56023923(2)125kWht1045kWh205kWh10341kWh10332O46347882287118028711X3658083836(3)2844(4)50(5)93610(10)93683836509366947642(10)3[1]EJ3201019(2)[2][J]200929(8)728732[3][200828(4)509513TechnicalReconstructionon240thCirculatingFluidizedBedBoilerwithLowBedPressureandEnergyConservationRENXianhon91WANGYongba01YANGShuqin92(TaiyuanBoilerGroupCoLtdTaiyuan030021China2ShanxiBranchChinaAluminiumGroupCoHejin043300China)AbstractThelowenergyconsumptionCFB(CirculatingFluidizedBed)technologywithfluidizationstatereconstructionisrealizedbymakingthefluidizationstatereconstructiontoincreasethemassofbedmaterialmeanmaterialsizeoptimizeandreducethebedinventorybedmaterialwhichareundertheconditionofkeepingtheoriginaladvantageofCFB(CirculatingFluidizedBed)boilerexflexiblecoaladaptabilityandlowCOStpollutionemissioncontr01TheapplicationofthistechnologywillreducetheheadofPAandSAfanreducetheelectricityconsumptionoffanandauxiliarypowerconsumptionlightentheabrasionatthedensephaseareaoffurnacebottomespeciallyattheboundaryareabetweenwearinglayerandmembranewallandimprovetheavailabilityofboilersetsInthispaperthereconstructiononthisprojectmaterializesthefeasibilityandeconomyofCFB(CirculatingFluidizedBed)technologywithfluidizationstatereconstructionKeywordsCFB(CirculatingFluidizedBed)Boilerreconstructionlowbedpressureoperationenergyconservation20131((T23Y(11521100603)(10dzl201201)