摘要
简述洞湾煤矿矿区概况,分析区内煤的物理性质、煤岩类型及煤的变质阶段,结合区内可采煤层原煤和浮煤的全硫含量变化及煤质特征,探究了区内煤灰分、硫分在平面和垂向上的变化规律。洞湾煤矿区内煤层煤类单一,属三号无烟煤。全区煤层多属于中灰分煤层,区内可采煤层10、22、26号煤层为中高硫煤,24、25号煤层为高硫煤,10、22、24、25、26号煤层均属高热值煤,区内可采煤层均属中高固定碳、特低挥发分、特低磷煤、特低氯、中氟煤,属中等可选至较难选煤层,22、24、25、26号煤层属极易磨煤。
The general circumstances of Dongwan coal mine mining area was introduced in this paper. The physical property, lithotype and metamorphic stage of coal in the mining area were also analyzed, combining with total sulfur change and coal quality characteristics of raw coal and flotation coal in workable coal seam, the ash content and sulfur content change law on the flat surface and vertical direction in the mining area were discussed. The coal type in coal seam is single, it belongs to No. 3 anthracite. The coal seams of the whole area are mainly the medium ash coal seams, the coal from No. 10, 22 and 26 workable coal seam was medium-high sulfur coal, the coal from No. 24 and 25 coal seam is the high sulfur coal, the coal from No. 10, 22, 24, 25 and 26 coal seam is high calorific value coal, the workable coal seams in the area all belong to medium-high fixed carbon, especially low volatile matter, especially low phosphorus, especially low chlorine and medium fluorine coal, those all belong to medium or relatively hard washing coal seam as well, No. 22, 24, 25 and 26 coal seam belong to coal type which is quite easy to grind.
作者
刘太琴
闵康
唐显贵
罗细梅
杨剑波
LIU Tai-qin MIN Kang TANG Xian-gui LUO Xi-mei YANG Jian-Bo(Guizhou Geological Engineering Consultation and Environmental Monitoring Center of Coal Mine, Guiyang 550081, China)
出处
《煤质技术》
2017年第5期11-14,共4页
Coal Quality Technology
关键词
洞湾煤矿
煤质特征
可采煤层
煤岩类型
灰分
硫分
变化规律
Dongwan coal mine
coal quality characteristics
workable coal seam
lithotype
ash
sulfur
change law
