摘要
基于三塘湖煤田煤炭资源丰富、煤炭勘查程度高,介绍了煤田内最主要可采煤层9号煤层的地质概况及其煤炭资源量(196.39亿t),并结合煤灰分、挥发分等值线图对9号煤层主要煤质指标进行研究。研究结果表明:9号煤层整体以特低水分煤为主,含有局部的低水分煤及中等水分煤;根据对石头梅矿区、汉水泉、库木苏和条湖矿区的535个测试结果统计分析可知,9号煤层以低灰分煤为主,其次为特低灰分煤,在汉水泉、库木苏矿区出现局部中灰煤;据现有559个钻孔测试成果统计表明,9号煤层以高挥发分煤为主,其次为中高挥发分煤,库木苏区大部、汉水泉区局部、条湖区局部发育有特高挥发分煤;西部汉水泉区和中部石头梅区特低硫煤和低硫煤分布相当,个别地区出现中硫煤,而库木苏区和条湖区以特低硫煤为主,即9号煤层以特低硫煤为主,其次为低硫煤;以高发热量煤为主,中高发热量煤次之,石头梅区局部发育特高热值,库木苏区局部有中热值煤。因此,三塘湖煤田9号煤层是优质的火力发电、气化用煤及工业锅炉用煤。但各指标在不同矿区分布稍有变化,在工业利用时应注意煤质指标变化对设备和加工利用效率等的影响。
Because that the Santanghu coalfield has rich coal resources, and the exploration degree is high, this paper introduced the geological circumstances and coal resources （19. 639 billion t） of main workable coal seam （No. 9 coal seam）, and combining with the contour maps of coal ash and volatile matter, the main coal quality indicators of No. 9 coal seam were researched. The research of results showed that： the main coal type of No. 9 coal seam is the extra low moisture content coal, part of the coal is low moisture content coal and medium moisture content coal; according to the 535 testing data from Shitoumei, Hanshuiquan, Kumusu and Tiaohu mining areas, we could see that the main coal type of No. 9 coal seam is the low ash coal, secondly, is the extra low ash coal, part of the coal in Hanshuiquan and Kumusu is the medium ash coal; according to testing results from the 559 drills, we could see that the main coal type of No. 9 coal seam is the high volatile matter coal, secondly, is the medium-high volatile matter coal, in the most part of Kumusu area, part of Hanshuiquan and Tiaohu area, there exists the extra high volatile matter coal; at west area （Hanshuiquan area） and middle area （Shitoumei area）, the extra low sulfur coal and low sulfur coal distributes equally, at individual area, the medium sulfur coal exists, but in the Kumusu and Tiaohu area, the main coal type is the extra low sulfur coal, that is to say, the main coal type of No. 9 coal seam is extra low sulfur coal, secondly, is the low sulfur coal; the major part of the coal is high calorific value coal, the medium-high calorific value follows secondly, at part of the Shitoumei area, there exists the extra high calorific value coal, at part of the Kumusu area, the medium calorific value coal exists. Therefore, the coal from No. 9 coal seam is the good thermal coal, gasification coal and industrial boiler coal. But the indicators varied at different mining areas, so for industrial application, how the variation of coal quality indicators affects the equipment and the utilization efficiency should be noticed.
出处
《煤质技术》
2017年第3期1-5,共5页
Coal Quality Technology
关键词
三塘湖煤田
煤质指标
分布特征
地质概况
煤层
发热量
特低硫煤
工业用途
Santanghu coalfield
coal quality indicators
distribution characteristics
geological profile
coal seam
calorific value
extra low sulfur coal
industrial use
