Research into comprehensive gas extraction technology of single coal seams with low permeability in

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为对煤气的爆发敏感的低渗透单身者煤缝接,气体的排水前困难、低效,严重限制生产的安全和效率。增加煤气的抽取效率的激进的措施是压力地势和红外线的 antireflection。我们在 Jiaozuo 的一个主要的煤矿的工作的脸前面分析了采矿条件和矿压力分发的整齐的效果工业(组)公司作为我们的测试区域,在片采矿学习了 depressurization 地区的宽度并且在先进压力松驰地区分析了煤气的效率和快排水。在那个基础上,我们进一步调查了并且练习浅钻,扇子钻和格子形状在工作的脸钻的利用技术。实践和我们的结果证明
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