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瓦斯含量直接法测定技术在寺河矿的应用研究

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摘要 近年随着采掘深度的延深,煤矿瓦斯灾害风险也越来越高。本文以寺河矿东井为例,应用瓦斯含量直接法,建立了在井下随钻随测煤的可解吸瓦斯量的方法、工艺及测定装置。结合煤在标准大气压力下的残存瓦斯含量的确定,认为无烟煤巷道瓦斯排放带宽度大约为10m,瓦斯含量随深度增加而增大,大约在20m以后,瓦斯含量变化不大,接近煤层瓦斯含量。
作者 王泓皓
出处 《内蒙古煤炭经济》 2016年第15期112-113,共2页 Inner Mongolia Coal Economy
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