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厚煤层分层开采及巷道合理位置确定模拟分析.rar

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    煤层 分层 开采 巷道 合理 位置 确定 模拟 分析
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    第 1 页目 录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 河流及水体 ....................................................................................................11.1.4 气象地震 ........................................................................................................21.1.5 矿井四邻关系 ................................................................................................21.2 井田地质特征 ...........................................................................................................31.2.1 井田地质构造 ................................................................................................31.2.2 水文地质 .....................................................................................................31.3 煤层特征 ................................................................................................................41.3.1 煤层 .............................................................................................................41.3.2 煤层顶底板 .................................................................................................41.3.3 煤的特征 .....................................................................................................72 井田境界及储量 .................................................................................................................82.1 井田境界 ................................................................................................................82.1.1 井田境界 .....................................................................................................82.1.2 开采界限 .....................................................................................................82.2 矿井工业储量 ........................................................................................................82.3 矿井可采储量 ..........................................................................................................92.3.1 安全煤柱留设原则 .......................................................................................92.3.2 矿井永久保护煤柱损失量 ..........................................................................102.3.2 矿井可采储量: .........................................................................................113 矿井工作制度、设计生产能力及服务年限 .................................................................123.1 矿井工作制度 ......................................................................................................123.2 矿井设计生产能力及服务年限 ..........................................................................123.2.1 矿井生产能力 ..............................................................................................123.2.2 矿井服务年限 ..............................................................................................124 井 田 开 拓 ...................................................................................................................144.1 井田开拓的基本问题 .............................................................................................144.1.1 确定井筒形式、数目、位置及坐标 ..........................................................144.1.2 工业场地的位置 ..........................................................................................154.1.3 主要开拓巷道 ..............................................................................................154.2 开拓方案比较 ......................................................................................................154.2.1 提出开拓方案 ...........................................................................................154.2.2 进行经济比较 ...........................................................................................174.3 矿井基本巷道 .........................................................................................................20第 2 页4.3.1 井筒 ..............................................................................................................204.3.2 井底车场及硐室 ..........................................................................................244.3.3 大巷 ..............................................................................................................264.3.4 巷道支护 .....................................................................................................315 准备方式— 带区巷道布置 ...............................................................................................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 ......................................................................................................325.1.5 地质构造 ......................................................................................................325.1.6 地表情况 ......................................................................................................325.2 带区巷道布置及生产系统 .....................................................................................325.2.1 带区准备方式的确定 .................................................................................325.2.2 带区巷道布置 ..............................................................................................325.2.3 带区生产系统 ..............................................................................................335.2.4 带区生产能力及采出率 ..............................................................................336 采煤方法 ...........................................................................................................................356.1 采煤工艺方式 .........................................................................................................356.1.1 带区煤层特征及地质条件 .........................................................................356.1.2 确定采煤方法 ..............................................................................................356.1.3 回采工作面参数 ..........................................................................................366.1.4 回采工作面采煤机、刮板输送机选型 ......................................................376.1.5 采煤工作面支护方式 ..................................................................................396.1.6 端头支护及超前支护方式 ..........................................................................416.1.7 各工艺过程注意事项 ..................................................................................426.1.8 采煤工作面正规循环作业 .........................................................................436.2 首采工作面回采巷道布置 ....................................................................................456.2.1 回采巷道布置方式 ......................................................................................456.2.2 回采巷道参数 ..............................................................................................457 井下运输 ...........................................................................................................................517.1 概述 .........................................................................................................................517.1.1 井下运输设计的原始条件和数据 ..............................................................517.1.2 运输距离和货载量 ......................................................................................517.1.3 矿井运输系统 ..............................................................................................527.2 带区运输设备选择 .................................................................................................527.2.1 设备选型原则 ..............................................................................................527.2.2 带区设备的选型 ..........................................................................................527.2.3 带区运输能力验算 ......................................................................................54第 3 页7.3 大巷运输设备选择 .................................................................................................558 矿井提升 ...........................................................................................................................578.1 矿井提升概述 .........................................................................................................578.2 主井提升 .................................................................................................................578.2.1 箕斗 ..............................................................................................................578.2.2 提升机 ..........................................................................................................578.2.3 钢丝绳技术特征 ..........................................................................................588.2.4 提升能力验算 ..............................................................................................588.3 副井提升 .................................................................................................................609 矿井通风及安全 ...............................................................................................................629.1 矿井通风系统的选择 .............................................................................................629.1.1 矿井通风系统的基本要求 ..........................................................................629.1.2 矿井通风系统的确定 ..................................................................................629.1.3 采区通风系统的确定 ..................................................................................639.2 矿井风量计算 .........................................................................................................649.2.1 通风容易时期和通风困难时期采煤方案的确定 ......................................649.2.2 各用风地点的用风量和矿井总用风量 ......................................................689.2.3 风量分配及风速验算 ..................................................................................719.2.4 通风构筑物 ..................................................................................................729.3 矿井通风阻力计算 .................................................................................................729.3.1 计算原则 ......................................................................................................739.3.2 矿井最大阻力路线 ......................................................................................739.3.3 矿井通风阻力计算 ......................................................................................739.4 选择矿井通风设备 .................................................................................................779.4.1 选择主要通风机的基本原则 ......................................................................779.4.2 通风机风压的确定 ......................................................................................779.4.3 主要通风机工况点 ......................................................................................799.4.4 主要通风机的选择及风机性能曲线 .........................................................809.4.5 电动机选型 ..................................................................................................829.6 安全灾害的预防措施 .............................................................................................829.6.1 预防瓦斯和煤尘爆炸的措施 ......................................................................829.6.2 预防井下火灾的措施 ..................................................................................839.6.3 防水措施 ......................................................................................................8310 矿井基本技术经济指标 .................................................................................................84参考文献 ...............................................................................................................................85专题部分 ...............................................................................................................................86厚煤层分层开采及巷道合理位置确定模拟分析 ...............................................................86概述 ...............................................................................................................................861 我国厚煤层分层开采的主要方法 ...................................................................................86第 4 页2 厚煤层分层开采与其它采煤方法的比较 .......................................................................873 厚煤层分层开采所面临的问题 .......................................................................................883.1 厚煤层分层开采顶板管理问题 ............................................................................883.1.1 厚煤层分层开采推垮型冒顶事故的原因 .................................................883.1.2 厚煤层分层开采推垮型冒顶事故的特征 .................................................893.1.3 防治措施 .....................................................................................................893.2 厚煤层分层开采通风问题及其解决方案 ............................................................893.2.1 存在问题 .....................................................................................................893.2.2 解决方法 .....................................................................................................903.3 厚煤层分层开采采空区自燃问题及解决方案 ....................................................903.3.1 分层自燃发火类别分析 .............................................................................903.3.2 采取的主要防灭火对策 .............................................................................913.4 厚煤层分层开采的卸压防突 ................................................................................923.4.1 上下分层应力变化特征 .............................................................................923.4.2 防突措施 .....................................................................................................924 厚煤层分层开采巷道布置及煤柱留设 ...........................................................................934.1 巷道布置 ................................................................................................................934.1.1 内错式布置 .................................................................................................934.1.2 外错式布置 .................................................................................................934.1.3 平移式布置 .................................................................................................934.1.4 垂直式布置 ..................................................................................................944.1.5 完全无煤柱化巷道布置 .............................................................................945 巷道布置模拟分析 ...........................................................................................................955.1 UDEC 数值模拟软件简介及适用性简析 .............................................................955.2 数值模拟研究 ...
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