郭旭颖,里莹,董艳荣,邢经纬,李振南
GUO Xuying,LI Ying,DONG Yanrong,XING Jingwei,LI Zhennan

• 1:辽宁工程技术大学理学院
• 2:辽宁工程技术大学矿业学院

摘要(Abstract)：

为合理清洁利用内蒙古自治区陈旗煤田宝日希勒露天煤矿的煤,基于全区地质背景以及大磨拐河组含煤地层的基本情况,对矿区煤的物理性质与煤岩特性进行了分析,确定煤的工业性能和用途,选取灰分、硫分,有害元素砷、氯等4个评价因子对矿区煤的洁净等级进行初步划分。结果表明:12、21、31、32+3煤层的宏观煤岩类型多为暗煤及半暗型煤;有机显微煤岩类型以腐植组和惰质组为主。原煤属低灰、高挥发分、中高固定碳、特低硫、特低氯、特低~低磷、一级含砷煤。通过分析原煤工艺性能,说明煤层以褐煤二号为主,属中高发热量、焦油产率较高、中等结渣煤,其中21煤为易磨煤,12及31煤为极易磨煤、极难选煤。矿区总体煤洁净等级为Ⅱ级,属好洁净煤。
In order to use the coal of Baorixile Open-pit Coal Mine reasonably and cleanly in Chenqi coalfield of Inner Mongolia Autonomous Region,the physical and the petrographical properties of coal were analyzed based on the geological background of the whole region and the basic situation of the coal-bearing strata in the Damoguaihe Formation. Their feasible industrial properties and usage were determined.The cleanliness of the mining area coal seam was drew primarily from the aspects of ash,sulfur,As and Cl.The results show that durain and semidull coal are the main lithotypes of the 12,21,31 and 32+3 coal seam.Huminite and inertinite are the main organic maceral of the mining area coal.The coal is low ash,high volatile,medium and high fixed carbon,extra low sulfur,extra low chlorine,extra low ~ low phosphorus and first grade arsenic.By analyzing the process properties of raw coal,it is found that the mine seam is main No. 2 lignite,which belongs to medium-high calorific value,high tar yield,medium slagging coal.The 21 coal is easy to be ground,and 12 and 31 coal are extremely easy to be ground and refractory coal.The cleanliness class of the mining area coal is Ⅱ,which belongs to the better clean coal.The coal in the mining area can be used as coking,steam coal and civilian coal.

关键词(KeyWords)： 煤岩特性;洁净等级;物理性质;工业分析;工艺性能
petrographical properties;cleanliness;physical properties;proximate analysis;process properties

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金资助项目(51304114;41672247);; 辽宁省教育厅科学技术研究资助项目(LJ2017FAL016)

作者(Author): 郭旭颖,里莹,董艳荣,邢经纬,李振南
GUO Xuying,LI Ying,DONG Yanrong,XING Jingwei,LI Zhennan

DOI: 10.13226/j.issn.1006-6772.2018.03.002

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