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1、東北大學(xué)碩士學(xué)位論文AbstractBasicStudyonApplicationofCarbonCompositeIronOreHotBriquettetoSmeltingReductionbyShaftFurnaceAbstractAtpresent,theblastfurnaceprocessisfacedwithurgentchallengestoachievehigh=productivity,lowerenergyconsumptionandlowerenvironmentload．Toattainthegoalofsustainabledevelopment,SOs
2、omeinnovativeiron-makingtechnologieshavebeenputforthorpracticallyapplied,includingapplicationofcarboncompositeironorehotbriquette(cca)andsmeltingreduction．TheCCBisanewtypeironmakingmaterial，whichutilizesthethermalplasticityofcoaltoenhanogitshigh—strengthandOWesexcellentphysicalproperties，bett
3、ermetallurgicalproperties，andwideadaptabilitytorawmaterials．Thesmeltingreductionstandsforanewdirectionofironmakingtechnology,whichdoesnotdependoncokeandcanachieveenvironmentharmony．AccordingtofuelconditionsinOurcountry,anewsmeltingreductionprocessisproposed，namelysmeltingreductionbyshaftfurna
4、cewithCCBastheburdens．Undertheexperimentalcondition,firstly,hightemperaturepropertiesofCCBisresearchedinthestudy．Secondly,accordingtopreviousresearchfindings，thermalmodelexperimentofshaftfurnacein10kgdegreeisinvestigated．Thirdly,materialbalancingcalculation，heatbalancingcalculationandcomprehe
5、nsiveenergyconsumptionisstudied．Tosumup，theconclusionscouldbedrawnasfollows：(1)BychangingthebasicityandFC／OofCCBandrespectiveinvestigatingeachindexofsofteninganddrippingproperty,theconclusionsisdrawnthattheproperrangeofbasicityandFC／Oisrespectively1．0～1．2and1．0～1．08．Temperatureofdrippingisapp
6、roximately1300"(3，whichislowerthancommonpelletandsinter．(2)Ontheconditionthatthecompositionisoptimized(R=1．2，F(xiàn)C／O--1．O)，RDI+3．15isOVer97％，RSIislessthan1．8％，crushingstrengthafterreductionandcoolingofheat-treatedCCBislessthanoriginalcrushingstrengthanghigherthan444N／per,whichisbetterthanthatofn
7、ormalpelletandsinter．Thus，itisfeasibletoapplyCCBtothesmeltingreductionbyshaftfurnace．V東北大學(xué)碩士學(xué)位論文Abstract(3)Thermalmodelexperimentofshaftf．umaCeinlOkgdegreeissmoothlyoperated,throughwhich3．87kgmixtureofslagandironisobtained．Bychemicaltest,theq
