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时间:2020-03-23
《六盘水金佳井田煤岩特征研究.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、第34卷第3期矿冶工程Vo1.34№32014年O6月MININGANDMETALLURGICALENGINEERINGJune2014’/\盘水金佳井田煤岩特征研究①陈玉鲜,张杰,叶军建',程伟,。(1.六盘水职业技术学院,贵州六盘水553000;2.贵州大学矿业学院,贵:州贵阳550025;3.贵州省非金属矿产资源综合利用重点实验室,贵州贵阳550025;4.贵州省优势矿产资源高效利用工程实验室,贵州贵阳550025)摘要:通过显微镜鉴定、X射线衍射(XRD)、等离子发射光谱(ICP-AES)等方法研究
2、了六盘水煤田金佳井田1号层和3号层两个煤样的宏观和显微煤岩特征、煤质特征、XRD图谱和微量元素特征。结果表明,1煤样属于半暗煤,无机矿物质主要为方解石和石英;3煤样属于半亮煤,主要无机矿物质为石英。两个煤样的有机显微组分以镜质组为主,3煤样的变质程度比1煤样大,都属于低灰、低硫、高热值的烟煤,可作为优质动力煤使用。煤样中微量元素Mn、Cd、Be、Y含量高于我国及世界煤的均值,其中Be和Y有一定的综合利用潜能,cd存在潜在的环境危害,在煤炭加工利用中需要重视。关键词:金佳井田;煤岩学特征;煤质特征;微量元素中
3、图分类号:P575文献标识码:Adoi:10.3969/j.issn.0253-6099.2014.03.017文章编号:0253-6099(2014)03一oo57一o4ResearchonCoalPetrologicalCharacteristicsinJinjiaCoalFieldofLiutmnshuiCHENYu.xian,ZHANGJie,。,.YEJun-jian,,CHENGWei·'(1.LiupanshuiVocationalandTechnicalCollege,Liupanshui5
4、53000,Guizhou,China;2.MiningCollege,GuizhouUniversity,Guiyang550025,Guizhou,China;3.KeylaboratoryofComprehensiveUtilizationofNonmetalMineralResourcesofGuizhouProvince,Guiyang550025,GuizhouChina;4.EngineeringlaboratoryofEfwientUtilizationofPreponderantResou
5、rcesofGuizhouProvince,Guiyang550025,Guizhou,China)Abstract:Coalpetrologicalandqualitycharacteristics,crystalstructureandtraceelementsoftwocoalsamplesfromNo1andNo3coalseaminJinjiacoalfieldwerestudiedusingmicroscopicexamination,X—rayDiffraction(XRD)analysisa
6、ndinductivelycoupledplasma-atomicemissionspectrometry(ICP—AES).Resuhsshowthat,sampleNo1isasemidullcoalwithcalciteandquartzasmajorinorganicminerals,whilesampleNo3isasemibrightcoalwithquartzasthedominantinorganicminera1.BothsampleNo1andNo3arepredominantlyvit
7、riniteintheorganicmacerals,althoughsampleNO3hasahighermetamorphicgradethansampleNO1.Bothsamplesalso,beingoflowash,lowsulfurandhighcalorificvalue,canbeusedashigh—qualitypowercoa1.ThecontentsoftraceelementsMn,Cd,BeandYinbothsamplesarehisherthanthenationaland
8、woadaveragestandard,amongwhichBeandYmaybepotentiallyutilizedinacomprehensiveway.However,traceelementofCdmay[)ringharmtotheenvironment,whichshouldbepaidmoreattentioninthecoalprocessingandutilization.Keywords:J
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