某某富兴煤矿瓦斯抽放设计说明书目录概述............................................................................................................................31矿井概况..........................................................................................................................41。1交通位置.....................................................................................................................................41。2井田地形与气候.........................................................................................................................41。3井田地质构造情况.....................................................................................................................41。4煤层赋存情况.............................................................................................................................41。5矿井开拓方式.............................................................................................................................61。6矿井通风方式及邻近矿井瓦斯涌出.........................................................................................62矿井瓦斯抽放的必要性与可行性........................................................................72。1矿井瓦斯涌出量预测结果.........................................................................................................82。2回采工作面瓦斯涌出来源与构成.............................................................................................92。3瓦斯抽放的必要性...................................................................................................................102。3。1相关法规的要求............................................................................................................102。3。2采掘工作面瓦斯治理的需要........................................................................................102。4瓦斯抽放的可行性...................................................................................................................112。5矿井瓦斯储量与可抽量...........................................................................................................123矿井瓦斯抽放方案初步设计.......................................................................133。1抽放方法选择的原则...............................................................................................................133。2抽放瓦斯方法选择..................................................................................................................133。2。1回采工作面本煤层瓦斯抽放........................................................................................143。2。2掘进工作面瓦斯抽放....................................................................................................143。2。3回采工作面高位抽放....................................................................................................163。2抽放量预计及抽放服务年限...................................................................................................163。2。1回采工作面本煤层预抽量预计....................................................................................163。2。2掘进工作面边掘边抽瓦斯量预计................................................................................163。2。3矿井瓦斯抽放量预计.....................................................
