137付莹莹等褐煤与油菜秸秆结构及燃烧特性研究第2期第42卷第2期2023年4月内蒙古工业大学学报(自然科学版)JournalofInnerMongoliaUniversityofTechnology(NaturalScienceEdition)Vol.42No.2Apr.2023文章编号:1001-5167(2023)02-0137-06褐煤与油菜秸秆结构及燃烧特性研究付莹莹1,2,李雪梅1,2,武芳3,宋银敏1,2,智科端1,2,何润霞1,2(1.内蒙古工业大学化工学院,呼和浩特010051;2.内蒙古工业大学内蒙古自治区低阶碳质资源高值功能化利用重点实验室,呼和浩特010051;3.内蒙古化工职业学院,呼和浩特010070)StudyonthestructureandcombustioncharacteristicsofligniteandrapestrawFUYingying1,2,LIXuemei1,2,WUFang3,SONGYinmin1,2,ZHIKeduan1,2,HERunxia1,2收稿日期:2022-08-31基金项目:内蒙古自治区自然科学基金项目(2019MS02025,2020MS02023)第一作者:付莹莹(1998—),女,2020级硕士研究生,主要从事煤化工理论研究。E-mail:1208258632@qq.com通信作者:何润霞(1964—),女,教授,主要从事煤化工理论研究。E-mail:runxiahe@imut.edu.cn(1.SchoolofChemicalEngineering,InnerMongoliaUniversityofTechnology,Hohhot010051,China;2.InnerMongoliaKeyLaboratoryofHigh-ValueFunctionalUtilizationofLowRankCarbonResources,Hohhot010051,China;3.InnerMongoliaVocationalCollegeofChemicalEngineering,Hohhot010070,China)Abstract:ThestructuraldifferencesbetweenLigniteandrapestrawwereanalyzedbySEM,FT-IR,XRD,XPSanalyticalmethods.Thethermalstabilityandcombustionreactionperformancewereinvestigatedbythermogravimetricanalysis,andthekineticparametersinthecombustionprocesswerecalculated.Theresultsshowedthatthestructureoflignitewasirregularfragments,whilethestructureofrapestrawwasfibrousstrip.Comparedwithlignite,rapestrawhadlowercarboncontentandhigheroxygencontent,andthecontentsofhydroxylgroup,aliphaticgroupandcarbon-oxygenbondingstructurewerehigherthanlignite,whilethethermalstabilitywaslowerthanlignite.Therewasanobviousweightlosszoneinthecombustionreactionprocessoflignite,whilerapestrawhadtwoobviousweightlosszones,andthetemperaturescorrespondingtothemaximumcombustionreactionrateswere106°Cearlierand27°Claterthanthatoflignite,respectively.Theignitiontempe...