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底板抽放巷在瓦斯治理中的应用及问题研究.rar

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    底板 抽放巷 瓦斯 治理 中的 应用 问题 研究
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    中国矿业大学 2012 届本科生毕业设计目 录一般部分1 矿区概述及井田地质特征 ..........................................................................................11.1 矿区概述 ............................................................................................................................11.1.1 交通位置 ..................................................................................................................11.1.2 地形、地貌 ..............................................................................................................11.1.3 矿区气候条件 ..........................................................................................................11.1.4 地震 ..........................................................................................................................21.1.5 河流及水体 ..............................................................................................................21.2 井田地质特征 ....................................................................................................................21.2.1 井田地质构造 ..........................................................................................................21.2.2 水文地质 ..................................................................................................................31.3 煤层特征 ............................................................................................................................51.3.1 煤层 .........................................................................................................................51.3.2 煤层顶、底板 ..........................................................................................................61.3.3 煤质 ..........................................................................................................................61.3.4 瓦斯 .........................................................................................................................71.3.5 煤尘及煤的自燃 ......................................................................................................82 井田境界和储量 .........................................................................................................................92.1 井田境界 ............................................................................................................................92.1.1 井田边界 ..................................................................................................................92.2 矿井工业储量 ....................................................................................................................92.2.2 矿井工业储量的计算及储量等级的圈定 ............................................................102.3 矿井可采储量 .................................................................................................................113 矿井工作制度、设计生产能力及服务年限 ...........................................................................153.1 矿井工作制度 ..................................................................................................................153.2 矿井设计生产能力及服务年限 ......................................................................................153.2.1 确定依据 ................................................................................................................153.2.2 矿井设计生产能力 ................................................................................................153.2.3 矿井服务年限 ........................................................................................................153.3 井型校核 ..........................................................................................................................164 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 ....................................................................194.1.4 开拓方案及其比较 ................................................................................................20中国矿业大学 2012 届本科生毕业设计4.2 矿井基本巷道 ..................................................................................................................284.2.1 井筒 ........................................................................................................................284.2.3 主要开拓巷道 ........................................................................................................335 准备方式— 带区巷道布置 .......................................................................................................375.1 煤层地质特征 ..................................................................................................................375.1.1 带区位置 ................................................................................................................375.1.2 带区煤层特征 ........................................................................................................375.1.3 煤层顶底板岩石构造情况 ....................................................................................375.1.4 水文地质 ................................................................................................................375.1.5 地质构造 ................................................................................................................375.1.6 地表情况 ................................................................................................................375.2 带区巷道布置及生产系统 ..............................................................................................375.2.1 带区准备方式的确定 ............................................................................................375.2.2 带区巷道布置 ........................................................................................................375.2.3 带区生产系统 ........................................................................................................385.2.4 带区生产能力及采出率 ........................................................................................395.3 带区车场选型计算 ..........................................................................................................405.3.1 带区车场的形式 ....................................................................................................405.3.2 带区车场的调车方式 ............................................................................................415.3.3 带区主要硐室布置 ................................................................................................416 采煤方法 ...................................................................................................................................436.1 采煤工艺方式 ..................................................................................................................436.1.1 带区煤层特征及地质条件 ...................................................................................436.1.2 确定采煤工艺方式 ................................................................................................436.1.3 回采工作面参数 ....................................................................................................446.1.4 回采工作面采煤机、刮板输送机选型 ................................................................446.1.5 采煤工作面支护方式 ............................................................................................466.1.6 端头支护及超前支护方式 ....................................................................................496.1.7 各工艺过程注意事项 ............................................................................................506.1.8 采煤工作面正规循环作业 ....................................................................................516.213101 首采工作面回采巷道布置 ....................................................................................546.2.1 回采巷道布置方式 ................................................................................................546.2.2 回采巷道参数 ........................................................................................................547 井下运输 ...................................................................................................................................617.1 概述 ..................................................................................................................................617.1.1 井下运输设计的原始条件和数据 ........................................................................617.1.2 运输距离和货载量 ................................................................................................617.1.3 矿井运输系统 ........................................................................................................627.2 带区运输设备选择 ..........................................................................................................62中国矿业大学 2012 届本科生毕业设计7.2.1 设备选型原则 ........................................................................................................627.2.2 带区设备的选型 ....................................................................................................627.2.3 带区运输能力验算 ................................................................................................647.3 大巷运输设备选择 ..........................................................................................................658 矿井提升 ...................................................................................................................................678.1 矿井提升概述 ..................................................................................................................678.2 主井提升 ..........................................................................................................................678.2.1 箕斗 ........................................................................................................................678.2.2 提升机 ....................................................................................................................678.2.3 钢丝绳技术特征 ....................................................................................................688.2.4 提升能力验算 ........................................................................................................688.3 副井提升 ..........................................................................................................................699 矿井通风及安全 .......................................................................................................................719.1 矿井通风系统选择 ..........................................................................................................719.1.1 矿井基本概况 ........................................................................................................719.1.2 矿井通风系统的基本要求 ....................................................................................719.1.3 矿井通风方式的选择 ............................................................................................719.1.4 矿井通风方法的选择 ............................................................................................729.1.5 带区通风系统的要求 ............................................................................................739.1.6 带区工作面通风方式的确定 ................................................................................739.1.7 通风容易时期和通风困难时期采煤方案的确定 ................................................749.2 带区及矿井所需风量 ......................................................................................................799.2.1 回采工作面风量计算 ............................................................................................799.2.2 掘进工作面风量计算 ............................................................................................809.2.3 硐室需风量 ............................................................................................................819.2.4 其它巷道风量计算 ................................................................................................819.2.5 矿井总风量计算 ....................................................................................................829.2.6 风量分配 ................................................................................................................829.2.7 通风构筑物 ............................................................................................................849.3 矿井通风阻力计算 ..........................................................................................................849.3.1 计算原则 ................................................................................................................849.3.2 矿井最大阻力路线 ................................................................................................849.3.3 矿井通风阻力计算 ................................................................................................859.3.4 矿井总风阻和等积孔计算 ....................................................................................879.4 选择矿井通风设备 ..........................................................................................................879.4.1 选择主要通风机的基本原则 ................................................................................879.4.2 通风机风压的确定 ................................................................................................889.4.3 主要通风机工况点 ................................................................................................899.4.4 主要通风机的选择及风机性能曲线 ...................................................................90中国矿业大学 2012 届本科生毕业设计9.4.5 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 ............................................................................................939.5.3 防水措施 ................................................................................................................9310 矿井基本技术经济指标 .........................................................................................................94专题部分0 概况 ............................................................................................................................................891 条带区域防突机理 ...................................................................................................................892 穿层预抽钻孔增透措施 ...........................................................................................................903 预裂爆破增透技术 ...................................................................................................................903.1 深孔控制爆破的实施 ......................................................................................................903.1.1 孔径的选择 ............................................................................................................903.1.2 钻孔深度 ................................................................................................................913.1.3 爆
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