| 加大手选拣矸力度的经济效益分析 |
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| 引用本文： | 张礼平. 加大手选拣矸力度的经济效益分析[J]. 煤质技术, 2008, 0(3): 17-18 |
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| 作者姓名： | 张礼平 |
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| 作者单位： | 淮北矿业(集团)有限责任公司涡北煤矿 安徽淮北235047 |
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| 摘 要： | 针对涡北煤矿复合煤层的夹矸厚度大及其开采的毛煤中含有大量矸石导致的煤质管理难度增大等问题,采取了加大地面选矸力度,提质降灰,减少了洗煤厂的负荷,并取得明显的经济效益。
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| 关 键 词： | 煤质管理 选矸 效益分析 |
Analysis on the economic benefit of hand-picked refuse |
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| ZHANG Li-ping. Analysis on the economic benefit of hand-picked refuse[J]. Goal Quality and Technology, 2008, 0(3): 17-18 |
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| Authors: | ZHANG Li-ping |
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| Abstract: | Due to the thick dirt band in multiplex coal seam and a great amount of refuse in run-of-mine coal in Wobei Coal Mine,the difficulties of coal quality management are increased.Refuse-picking by hand was put in practice.So the quality of product is improved and the ash of coal is decreased.And undertaking of coal preparation plant is alleviated.The economic benefit is obviously achieved. |
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| Keywords: | coal quality management picked refuse benefit analysis |
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