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大采高一次采全高的上覆岩层特性分析.rar

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    大采高 一次 采全高 岩层 特性 分析
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    目 录一般设计部分1 矿区概述及井田地质特征 .........................................................................................................11.1 矿区概述 ................................................................................................................................11.1.1 矿区地理位置与交通 .....................................................................................................11.1.2 地形地貌及水文情况 .....................................................................................................11.1.3 气候条件 .........................................................................................................................11.1.4 地震 .................................................................................................................................11.1.5 水源条件 .........................................................................................................................11.1.6 矿区经济概况 .................................................................................................................21.1.7 矿区小煤矿概况 .............................................................................................................21.2 井田地质特征 .......................................................................................................................41.2.1 地质构造 .........................................................................................................................41.2.2 井田地层概述 .................................................................................................................51.2.3 水文地质条件 .................................................................................................................71.3 煤层 ........................................................................................................................................81.3.1 煤层埋藏条件 .................................................................................................................81.3.2 可采煤层 .......................................................................................................................101.3.3 煤岩特征和煤质 ...........................................................................................................101.3.4 煤层顶底板 ...................................................................................................................121.3.5 煤的工业用途评述 .......................................................................................................131.3.6 瓦斯、煤尘和煤的自燃 ...............................................................................................132 井田境界和储量 .......................................................................................................................142.1 井田境界 ..............................................................................................................................142.1.1 井田范围 .......................................................................................................................142.2 矿井储量计算 .....................................................................................................................142.2.2 矿井工业储量 ...............................................................................................................142.3 矿井设计储量 .................................................................................................................152.3.1 保护煤柱留设原则 .......................................................................................................153 矿井工作制度、设计生产能力及服务年限 ...........................................................................183.1 矿井工作制度 ......................................................................................................................183.2 矿井设计生产能力及服务年限 ..........................................................................................183.2.1 确定依据 .......................................................................................................................183.2.2 矿井设计生产能力 .......................................................................................................183.2.3 矿井服务年限 ...............................................................................................................183.2.4 井型校核 .......................................................................................................................194 井田开拓 .................................................................................................................................204.1 井田开拓的基本问题 .........................................................................................................204.1.1 确定井筒形式、数目、位置及坐标 ...........................................................................204.1.2 工业场地的位置 ...........................................................................................................214.1.3 开采水平的确定及采带区划分 ...................................................................................224.1.4 主要开拓巷道 ...............................................................................................................224.1.5 方案比较 .......................................................................................................................224.2 矿井基本巷道 ....................................................................................................................274.2.1 井筒 ...............................................................................................................................274.2.2 井底车场 .......................................................................................................................314.2.3 主要开拓巷道 ...............................................................................................................345 准备方式—— 带区巷道布置 ...................................................................................................365.1 煤层地质特征 ......................................................................................................................365.2 采(盘)区或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 ...............................................................................................................395.2.4 带区内巷道掘进方法 ...................................................................................................405.2.5 带区生产能力及采出率 ...............................................................................................405.3 带区车场选型设计 .............................................................................................................416 采煤方法 ...................................................................................................................................426.1 采煤工艺方式 .....................................................................................................................426.1.1 采煤方法的选择 ...........................................................................................................426.1.2 回采工作面参数 ...........................................................................................................426.1.3 综采工作面的设备选型及配套 ...................................................................................436.1.4 回采工作面破煤、装煤方式 .......................................................................................476.1.5 端头支护及超前支护方式 ...........................................................................................486.1.6 各工艺过程注意事项 ...................................................................................................496.1.7 回采工作面正规循环作业 ...........................................................................................506.2 回采巷道布置 ......................................................................................................................556.2.1 回采巷道布置方式 .......................................................................................................556.2.2 回采巷道参数 ...............................................................................................................557 井下运输 ...................................................................................................................................577.1 概述 ......................................................................................................................................577.1.1 矿井设计生产能力及工作制度 ...................................................................................577.1.2 煤层及煤质 ...................................................................................................................577.1.3 运输距离和辅助运输设计 ...........................................................................................577.1.4 矿井运输系统 ...............................................................................................................577.2 带区运输设备选择 ..............................................................................................................587.2.1 设备选型原则: ..........................................................................................................587.2.2 带区运输设备选型及能力验算 ..................................................................................587.3 大巷运输设备选则 ..............................................................................................................617.3.1 主运输大巷设备选择 ...................................................................................................617.3.2 辅助运输大巷设备选择 ...............................................................................................617.3.3 运输设备能力验算 .......................................................................................................618 矿井提升 ...................................................................................................................................628.1 矿井提升概述 ......................................................................................................................628.2 主副井提升 ..........................................................................................................................628.2.1 主井提升 .......................................................................................................................628.2.2 副井提升设备选型 .......................................................................................................639 矿井通风及安全 .......................................................................................................................659.1 矿井地质、开拓、开采概况 ..............................................................................................659.1.1 矿井地质概况 ...............................................................................................................659.1.2 开拓方式 .......................................................................................................................659.1.3 开采方法 .......................................................................................................................659.1.4 变电所、充电硐室、火药库` ......................................................................................659.1.5 工作制、人数 ...............................................................................................................659.2 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 ...................................................................................................669.2.3 矿井通风方法的选择 ...................................................................................................679.2.4 带区通风系统的要求 ...................................................................................................679.2.5 带区通风方式的确定 ...................................................................................................689.3 矿井风量计算 ......................................................................................................................699.3.1 通风容易时期和通风困难时期采煤方案的确定 .......................................................699.3.2 各用风地点的用风量和矿井总用风量 .......................................................................699.3.3 风量分配 .......................................................................................................................749.4 矿井阻力计算 ......................................................................................................................759.4.1 计算原则 .......................................................................................................................759.4.2 矿井最大阻力路线 .......................................................................................................769.4.3 计算矿井摩擦阻力和总阻力: ...................................................................................809.4.4 两个时期的矿井总风阻和总等积孔 ..........................................................................819.5 选择矿井通风设备 ..............................................................................................................829.5.1 选择主要通风机 ...........................................................................................................829.5.2 电动机选型 ...................................................................................................................859.6.1 预防瓦斯和煤尘爆炸的措施 .......................................................................................869.6.2 预防井下火灾的措施 ...................................................................................................869.6.3 防水措施 .......................................................................................................................8610 设计矿井基本技术经济指标 .................................................................................................88专题设计部分大采高一次采全高的上覆岩层特性分析 ...................................................................................901 绪 论 ........................................................................................................................................911.1 研究目的和意义 ..................................................................................................................911.2 国内外研究现状 ..................................................................................................................911.2.1 国外技术研究现状 .......................................................................................................911.2.2 国内技术研究现状 .......................................................................................................921.3 厚煤层大采高全厚开采技术突破与创新的关键点 ..........................................................921.4 拟采取的技术路线 ..............................................................................................................932 厚煤层一次采全高的开采条件 ...............................................................................................952.1 某矿区厚煤层覆存概况 .....................
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