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首页> 外文期刊>Journal of natural gas science and engineering >Methane drainage and utilization in coal mines with strong coal and gas outburst dangers: A case study in Luling mine, China
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Methane drainage and utilization in coal mines with strong coal and gas outburst dangers: A case study in Luling mine, China

机译：突出煤与瓦斯突出危险的煤矿瓦斯抽采与利用-以Lu陵煤矿为例

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摘要

Outbursts are sudden and violent release of coal and gas from a coal face, which can result in damage to excavations and equipment, loss of life. The Luling coal mine exploits the Nos. 8 and 9 seams, both of which are highly outburst-prone. The maximum gas pressure and gas content measured in these seams are 5.5 MPa and 25.0 m~3/t, respectively, and several large-scale gas outburst accidents have occurred there. In this study, methane drainage and utilization at the mine is examined. Based on our analysis, several improvements, such as protective seam mining, drainage system upgrades and the use of medium-quality methane by local industry, are directed. In the coming years, the volumes of drained methane and utilization methane are projected to reach 70 and 58 million m~3 per year, respectively, thus accounting for more than 75% and 60% of the mine's methane emissions, respectively. Important lessons learned at the Luling mine could be applied to other outburst-prone coal mines in China and elsewhere.
机译：突出是从煤层突然猛烈释放出的煤和瓦斯，这可能会导致开挖和设备损坏，生命损失。芦岭煤矿利用8号和9号煤层，这两个煤层极易发生突出。在这些煤层中测得的最大瓦斯压力和瓦斯含量分别为5.5 MPa和25.0 m〜3 / t，并在那里发生了几次大规模的瓦斯突出事故。在这项研究中，研究了煤矿的瓦斯抽采和利用。根据我们的分析，我们进行了一些改进，例如保护性煤层开采，排水系统升级以及当地工业使用中等质量的甲烷。未来几年，预计每年排放的甲烷和利用甲烷的量将分别达到70和5800万立方米3，分别占矿山甲烷排放量的75％和60％以上。在Lu陵煤矿获得的重要经验教训可以应用于中国和其他地区的其他易发爆煤矿。

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