矿井瓦斯抽放设计编 制 审 核 科 长 总 工 程 师目录1 绪论.....................................................................................11.1 概述...........................................................................11.2 设计的指导思想............................................................31.3 抽采效果估计...............................................................32 井田概况..............................................................................32.1 交通位置.....................................................................32.2 地形地貌.....................................................................32.3 地表水........................................................................43 矿井瓦斯赋存........................................................................43.1 煤层瓦斯基本参数........................................................43.2 采区瓦斯储量...............................................................54 瓦斯抽放的必要性和可行性论证...............................................84.1 瓦斯抽放的必要性84.2 瓦斯抽放的可行性145 抽放方法...........................................................................155.选择瓦斯抽采方法的依据155.2 采区瓦斯来源分析.....................................................155.3 抽放方法选择............................................................165.4 钻孔与钻场布置与封孔方法.........................................166 瓦斯抽放管路系统与设备选型...............................................196.1 抽放管路选型与阻力计算............................................196.2 瓦斯抽放泵选型........................................................256.3 辅助设备..................................................................257 瓦斯抽采参数检测与监测.....................................................267.1 瓦斯抽采参数检测.....................................................267.2 地面抽采泵房监测监控267.3 抽采泵断电控制281 绪 论1.1 概述地理位置：xxxxx公...
