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城郊矿村庄下压煤开采技术研究.rar

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    城郊 村庄 下压 开采 技术研究
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    目 录一般部分1 矿井概述及井田地质特征 .......................................................................................................11.1 矿区概述 ..........................................................................................................................11.1.1 地理位置及交通条件 ............................................................................................11.1.2 居民、经济、资源供应 ........................................................................................11.1.3 地形地貌 ................................................................................................................11.1.4 主要河流 ................................................................................................................11.2 井田地质特征 ...................................................................................................................21.2.1 地层 ........................................................................................................................21.2.2 地质构造 ................................................................................................................31.2.3 水文地质条件 ........................................................................................................41.2.4 地温 ........................................................................................................................41.3 煤层地质特征 ...................................................................................................................51.3.1 煤层埋藏条件 ........................................................................................................51.3.2 煤质 ........................................................................................................................61.3.3 煤层顶底板 ............................................................................................................71.3.4 瓦斯、煤尘等 ........................................................................................................72 井田境界与储量 .......................................................................................................................82.1 井田境界 ...........................................................................................................................82.1.1 井田境界划分的原则 ............................................................................................82.1.2 井田特征 ................................................................................................................82.2 矿井工业储量 ...................................................................................................................82.2.1.井田地质勘探 ........................................................................................................82.2.2 储量计算依据 ........................................................................................................92.2.3 矿井工业储量 ........................................................................................................92.3 矿井可采储量 .................................................................................................................112.3.1 安全煤柱留设原则 ..............................................................................................112.3.2 矿井永久保护煤柱损失量 ..................................................................................112.3.3 矿井可采储量 ......................................................................................................133 矿井工作制度、设计生产能力及服务年限 ...........................................................................143.1 矿井工作制度 .................................................................................................................143.2 矿井设计生产能力及服务年限 .....................................................................................143.2.1 矿井设计生产能力及服务年限确定依据 ..........................................................143.2.2 矿设计生产能力 ..................................................................................................143.2.3 矿井服务年限 ......................................................................................................143.2.4 井型校核 ..............................................................................................................154 井田开拓 .................................................................................................................................174.1 井田开拓的基本问题 ....................................................................................................174.1.1 确定井筒形式、数目、位置及坐标 ..................................................................174.1.2 工业场地的位置 ..................................................................................................194.1.3 开采水平的确定及带(采)区划分 ..................................................................204.1.4 运输大巷和井底车场的布置 ..............................................................................204.1.5 矿井开拓延伸方案及阶段划分 ..........................................................................204.1.6 确定采区间的接替顺序 ......................................................................................224.1.7 方案比较 ..............................................................................................................224.2 矿井基本巷道 ................................................................................................................304.2.1 井筒 ......................................................................................................................304.2.2 井底车场及硐室 ..................................................................................................304.2.3 主要开拓巷道 ......................................................................................................325 准备方式—— 带区巷道布置 .................................................................................................395.1 煤层地质特征 .................................................................................................................395.1.2 采区煤层特征 ......................................................................................................395.1.3 地质构造 ..............................................................................................................395.1.4 顶底板特性 ..........................................................................................................395.1.5 水文地质 ..............................................................................................................405.1.5 地表情况 .............................................................................................................405.2 采区巷道布置及生产系统 .............................................................................................405.2.1 采区位置及范围 ..................................................................................................405.2.2 采区煤柱尺寸的确定 ..........................................................................................405.2.3 区段斜长的确定 ..................................................................................................405.2.4 采区巷道布置 ......................................................................................................415.2.5 采区巷道的联络方式 ..........................................................................................415.2.6 采区接替顺序 ......................................................................................................415.2.7 采区生产系统 ......................................................................................................415.2.8 采区巷道掘进 ......................................................................................................425.2.9 采区生产能力及采出率 ......................................................................................435.3 采区车场选型设计 .........................................................................................................445.3.1 确定采区、带区车场形式 ..................................................................................445.3.2 采区主要硐室 ......................................................................................................466 采煤方法 ...................................................................................................................................486.1 采煤工艺方式 ................................................................................................................486.1.1 采煤方法的选择 .................................................................................................486.1.2 确定采煤工艺方式 ..............................................................................................486.1.3 回采工作面长度的确定 ......................................................................................496.1.4 回采工作面的推进方向和推进度 ......................................................................496.1.5 综采工作面的设备配套 ......................................................................................506.1.6 回采工作面破煤、装煤方式 ..............................................................................506.1.7 回采工作面支护方式 ..........................................................................................536.1.8 工作面端头支护和超前支护 ..............................................................................556.1.9 各工艺过程注意事项 ..........................................................................................566.1.10 回采工作面正规循环作业和工作面成本 ........................................................586.2 回采巷道布置 .................................................................................................................606.2.1 回采巷道布置方式 ..............................................................................................606.2.2 回采巷道参数 ......................................................................................................607 井下运输 .................................................................................................................................627.1 概述 .................................................................................................................................627.1.1 井下运输的原始条件和数据 ..............................................................................627.1.2 运输距离和货载量 ..............................................................................................627.1.3 矿井运输系统 ......................................................................................................627.2 带区运输设备选择 ......................................................................................................637.2.1 设备选择原则 ......................................................................................................637.2.2 带区设备的选型 ..................................................................................................637.2.3 辅助运输方式和设备选择 ..................................................................................647.3 大巷运输设备选择 .........................................................................................................647.3.1 运输大巷设备选择 ..............................................................................................647.3.2 轨道大巷设备选择 ..............................................................................................658 矿井提升 ...................................................................................................................................668.1 矿井提升概述 .................................................................................................................668.2 主副井提升 .....................................................................................................................668.2.1 主井提升 ..............................................................................................................668.2.2 副井提升 ..............................................................................................................689 矿井通风及安全 .....................................................................................................................709.1 矿井地质、开拓、开采概况 .........................................................................................709.1.1 矿井地质概况 ......................................................................................................709.1.2 矿井通风系统的基本要求 ..................................................................................709.1.3 矿井通风方式的确定 ..........................................................................................709.1.4 主要通风机工作方式选择 ..................................................................................729.1.3 带区通风系统的确定 ..........................................................................................739.1.7 回采工作面进回风巷道的布置 ..........................................................................739.1.8 通风构筑物 ..........................................................................................................749.2 矿井风量计算 .................................................................................................................749.2.1 采煤工作面实际需要风量 ..................................................................................749.2.2 备用面需风量的计算 ..........................................................................................769.2.3 掘进工作面风量计算 ..........................................................................................769.2.4 硐室需风量 ..........................................................................................................779.2.5 其它巷道风量计算 ..............................................................................................779.2.6 矿井总风量计算 ..................................................................................................779.2.3 风量分配及风速验算 ..........................................................................................789.2.4 通风构筑物 ..........................................................................................................799.3 矿井通风阻力计算 .........................................................................................................799.3.1 计算原则 ..............................................................................................................799.3.2 确定矿井通风容易和困难时期 ..........................................................................809.3.3 矿井最大阻力路线 ..............................................................................................829.3.4 矿井通风阻力计算 ..............................................................................................859.3.5 两个时期的矿井总风阻和总等积孔 ..................................................................889.4 选择矿井通风设备 .........................................................................................................889.4.1 选择主要通风机 ..................................................................................................889.4.2 主要通风机的选择 ..............................................................................................899.4.2 电动机选型 ..........................................................................................................929.5 安全灾害的预防措施 .....................................................................................................929.5.1 预防瓦斯和煤尘爆炸的措施 ..............................................................................929.5.2 预防井下火灾的措施 ........................
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