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祁东煤矿深井巷道锚杆支护技术研究.rar

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    祁东 煤矿 深井 巷道 支护 技术研究
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    中国矿业大学 2012 届本科生毕业设计 第 I 页目 录一般部分1 田概述及地质特征 ........................................................................................................................11.1 井田概述 .............................................................................................................................11.1.1 交通位置 ..................................................................................................................11.1.2 电源 ..........................................................................................................................11.1.3 矿区气候条件 ..........................................................................................................11.1.4 矿区水文条件 ..........................................................................................................21.2 井田地质特征 .....................................................................................................................21.2.1 井田地形及煤系地层概述 ......................................................................................21.2.2 井田地质构造 ..........................................................................................................21.2.3 井田水文地质 ..........................................................................................................21.3 井田煤层特征 .....................................................................................................................61.3.1 煤层埋藏条件及围岩性质 ......................................................................................61.3.2 煤层特征 ..................................................................................................................72 井田境界和储量 ............................................................................................................................82.1 井田境界 .............................................................................................................................82.2 矿井工业储量 .....................................................................................................................82.2.1 井田勘探类型 ..........................................................................................................82.2.2 矿井工业储量的计算及储量等级的圈定 ..............................................................82.3 矿井可采储量 ...................................................................................................................102.3.1 计算可采储量时,必须要考虑以下储量损失 ....................................................102.3.2 各种煤柱损失计算 ................................................................................................102.3.3 井田的可采储量 ....................................................................................................123 矿井工作制度、设计生产能力及服务年限 ..............................................................................133.1 矿井工作制度 ...................................................................................................................133.2 矿井设计生产能力服务年限 ...........................................................................................133.2.1 矿井设计生产能力 ................................................................................................133.2.2 井型校核 ................................................................................................................134 井田开拓 ......................................................................................................................................154.1 井田开拓的基本问题 .......................................................................................................154.1.1 影响井田开拓的主要因素 ....................................................................................154.1.2 井筒形式、数目的确定 ........................................................................................154.1.3 工业广场的位置、形状和面积的确定 ................................................................164.1.4 开采水平的确定 ....................................................................................................174.1.5 井底车场和运输大巷的布置 ................................................................................174.1.6 矿井开拓延伸及深部开拓方案 ............................................................................174.1.7 开采顺序 ................................................................................................................174.1.8 方案比较 ................................................................................................................184.2 矿井基本巷道 ...................................................................................................................244.2.1 井筒 ........................................................................................................................24中国矿业大学 2012 届本科生毕业设计 第 II 页4.2.2 开拓巷道 ................................................................................................................254.2.3 井底车场及硐室 ....................................................................................................255 准备方式— 采区准备方式 ..........................................................................................................325.1 煤层地质特征 ...................................................................................................................325.1.1 采区位置 ................................................................................................................325.1.2 采区煤层特征 ........................................................................................................325.1.3 煤层顶底板岩石构造情况 ....................................................................................325.1.4 水文地质 ................................................................................................................335.1.5 主要地质构造 ........................................................................................................335.2 采区巷道布置及生产系统 ...............................................................................................335.2.1 采区准备方式的确定 ............................................................................................335.2.2 采区巷道布置设计 ................................................................................................335.2.3 采区生产系统 ........................................................................................................365.2.4 采区接替顺序 ........................................................................................................375.2.5 采区巷道的联络方式 ............................................................................................375.2.6 内巷道掘进方法 ....................................................................................................375.2.7 生产能力及采出率 ................................................................................................385.3 采区车场选型设计 ...........................................................................................................395.3.1 采区上部车场 ........................................................................................................395.3.2 采区中部车场 ........................................................................................................405.3.3 采区下部车场 ........................................................................................................416 采煤方法 ......................................................................................................................................436.1 采煤工艺方式 ...................................................................................................................436.1.1 采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 ....................................................................................................436.1.4 回采工艺及设备 ....................................................................................................446.1.5 回采工作面支护方式 ............................................................................................466.1.6 端头支护及超前支护方式 ....................................................................................486.1.7 各工艺过程注意事项 ............................................................................................496.1.8 回采工作面正规循环作业 ....................................................................................506.2 回采巷道布置 ...................................................................................................................536.2.1 回采巷道布置方式 ................................................................................................536.2.2 回采巷道参数 ........................................................................................................537 井下运输 ......................................................................................................................................567.1 概述 ...................................................................................................................................567.1.1 井下运输设计的原始条件和数据 ........................................................................567.1.2 运输距离和货载量 ................................................................................................567.1.3 矿井运输系统 ........................................................................................................567.2 采区运输设备选择 ...........................................................................................................577.2.1 设备选型原则 ........................................................................................................577.2.2 采区运输设备的选型 ............................................................................................577.3 大巷运输设备选择 ...........................................................................................................587.3.1 运输大巷设备选择 ................................................................................................58中国矿业大学 2012 届本科生毕业设计 第 III 页7.3.2 辅助运输大巷设备选择 ........................................................................................588 矿井提升 ......................................................................................................................................628.1 概述 ...................................................................................................................................628.2 主副井提升 .......................................................................................................................628.2.1 主井提升 ................................................................................................................628.2.2 副井提升 ................................................................................................................649 矿井通风及安全 ......................................................................................................................…669.1 矿井地质、开拓、开采概况 ...........................................................................................669.1.1 矿井地质概况 ........................................................................................................669.1.2 开拓方式 ................................................................................................................669.1.3 开采方法 ................................................................................................................669.1.4 变电所、充电硐室、火药库 ................................................................................669.1.5 工作制、人数 ........................................................................................................669.2 矿井通风系统的确定 .......................................................................................................669.2.1 矿井通风系统的基本要求 ....................................................................................669.2.2 矿井通风方式的选择 ............................................................................................679.2.3 矿井通风方法的选择 ............................................................................................679.2.4 采区通风系统的要求 ............................................................................................689.2.5 工作面通风方式的确定 ........................................................................................689.2.6 回采工作面进回风巷道的布置 ............................................................................699.3 矿井风量计算 ...................................................................................................................699.3.1 矿井风量计算方法概述 ........................................................................................699.3.2 回采工作面风量计算 ............................................................................................709.3.3 掘进工作面风量计算 ............................................................................................719.3.4 硐室需要风量的计算 ............................................................................................729.3.5 其他巷道所需风量 ................................................................................................729.3.6 矿井总风量计算 ....................................................................................................729.3.7 风量分配 ................................................................................................................739.4 矿井通风阻力 ...................................................................................................................739.4.1 确定矿井通风容易时期和困难时期 ....................................................................739.4.2 矿井通风容易时期和困难时期的最大阻力路线 ................................................779.4.3 矿井通风阻力计算 ................................................................................................779.4.4 矿井通风总阻力 ....................................................................................................789.4.5 矿井总风阻及总等积孔 ........................................................................................799.5 矿井通风设备选型 ...........................................................................................................799.5.1 通风机选择的基本原则 ........................................................................................799.5.2 通风机风压的确定 ................................................................................................809.5.3 电动机选型 ............................................................................................................829.5.4 矿井主要通风设备的要求 ....................................................................................839.5.5 对反风装置及风硐的要求 ....................................................................................839.6 特殊灾害的预防措施 .......................................................................................................849.6.1 预防瓦斯和煤尘爆炸的措施 ................................................................................849.6.2 预防井下火灾的措施 ............................................................................................849.6.3 防水措施 ................................................................................................................84中国矿业大学 2012 届本科生毕业设计 第 IV 页10 设计矿井基本技术经济指标 .............................................
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