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co2 zeng tou yu lie ji shu zai chang cun mei kuang wa si chou cai zhong de ying yong
Author(s): 
Pages: 53-54
Year: Issue:  9
Journal: Coal

Keyword:  CO2 增透预裂瓦斯抽采瓦斯含量;
Abstract: 文章通过对常村煤矿23采区进风下山反掘段现场进行 CO2增透预裂试验,结果表明,预裂后煤层瓦斯体积有显著增加且持续时间较长,单孔瓦斯抽采浓度在实施预裂爆破增透技术后提高了18.6%,单孔纯瓦斯流量一段时间内提高了177%,充分表明 CO2增透预裂对于提高煤层透气性,降低了抽采难度,提高瓦斯抽采利用率效果明显,对消除常村煤矿瓦斯突出、保障矿井安全生产提供了必要的技术支持。为类似矿井瓦斯抽采提供了参考依据。
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