onversionandNewCarbonMaterialsKeyLaboratory,WuhanUniversityof ScienceandTechnology,430081Wuhan;*CokingPlantofWuhanIron andSteelCorporation,430083Wuhan) ABSTRACTInthispaper5bituminouscoalswithdifferentcoalrankswerecarbonizedin the5kgexperimentcokeoven.Therelationshipshipbetweenthecokingpropertyofsinglecoals andthecrystallitestructureofthecokeswerediscussed.Theresultsshowedthatthequalityof thecokeswhichhadbeenpreparedfromthecokingcoalandthe1/3cokingcoalwerefairlygood. ItwasshownfromX-raydiffraction(XRD)resultsthatthecarbonstructuralfactor(L a/L c)of thecokepreparedfromfatcoalwassmallest,butthegraphitizationdegreewashighest.Thetrue relativedensity(TRD)ofthecokewasdecreasedwiththeincreaseofL a/L c. KEYWORDSbituminouscoal,coalrank,cokingproperty,crystallitestructure 43 第1期闫力等粒度对煤燃烧和热解动力学影响的量化研究
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