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大采高和放顶煤开采的技术经济比较.rar

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    大采高 放顶煤 开采 技术 经济 比较
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    中国矿业大学 2012 届本科生毕业设计 第 1 页目 录1 矿井概况与地质特征 ..................................................................................11.1 井田概况 ...........................................................................................................................11.1.1 位置与交通 ............................................................................................................11.1.2 地形地貌 ................................................................................................................21.2 井田地质特征 ...................................................................................................................31.2.1 地层 ........................................................................................................................31.2.3 水文地质特征 ........................................................................................................41.3 煤层特征 ...........................................................................................................................51.3.1 煤层 ........................................................................................................................51.3.2 可采煤层 ................................................................................................................81.3.3 煤质及工业用途 ....................................................................................................81.3.4 可采煤层顶底板岩性 ............................................................................................91.3.5 瓦斯、煤尘、自燃倾向性及地温 ......................................................................102 井田境界与储量 ........................................................................................132.1 井田境界 .........................................................................................................................132.1.1 井田境界确定 ......................................................................................................132.1.2 井田赋存特征 ......................................................................................................132.2 矿井工业储量 ................................................................................................................142.2.1 储量计算基础 ......................................................................................................142.2.2 地质储量计算 ......................................................................................................142.2.3 矿井工业储量 .....................................................................................................162.3 矿井可采储量 .................................................................................................................182.3.3 井田可采储量 ......................................................................................................213 矿井工作制度、设计生产能力及服务年限 ............................................233.1 矿井工作制度 .................................................................................................................233.2 矿井设计生产能力及服务年限 .....................................................................................233.2.1 矿井设计生产能力 ..............................................................................................233.2.2 井型校核 ..............................................................................................................244 井田开拓 ....................................................................................................264.1 井田开拓的基本问题 .....................................................................................................264.1.1 井硐形式、数目和位置 ......................................................................................264.1.2 工业场地位置、形状和面积 ..............................................................................284.1.3 开采水平的数目、位置和标高 ..........................................................................284.1.4 采区的划分和布置 ..............................................................................................284.1.5 井底车场和大巷布置 ..........................................................................................284.2 方案比较 .........................................................................................................................294.2.1 方案提出 ..............................................................................................................29中国矿业大学 2012 届本科生毕业设计 第 2 页4.2.2 经济比较 ..............................................................................................................314.3 矿井基本巷道 ................................................................................................................384.3.1 井筒 ......................................................................................................................384.3.2 井底车场及硐室 ..................................................................................................424.3.3 主要开拓巷道 ......................................................................................................445 准备方式— 采区集中上山巷道布置 ........................................................475.1 煤层的地质特征 .............................................................................................................475.1.1 首采区位置及煤层特征 ......................................................................................475.1.2 首采区煤层顶底板岩石构造情况及物理力学特性 ..........................................475.1.3 瓦斯与水文地质情况 ..........................................................................................475.1.4 煤尘爆炸性和自燃发火危险性 ..........................................................................485.1.5 主要地质构造 ......................................................................................................485.1.6 地表情况 ..............................................................................................................495.2 采区巷道布置及生产系统 .............................................................................................495.2.1 确定采区巷道布置及生产系统的原则 ..............................................................495.2.2 确定采区巷道布置 ..............................................................................................495.2.4 采区生产能力确定 ..............................................................................................515.2.5 采区主要准备巷道断面图 ..................................................................................525.3 采区车场选型设计 .........................................................................................................545.3.1 车场 ......................................................................................................................545.3.2 采区主要硐室的布置 ..........................................................................................556 采煤方法 ....................................................................................................576.1 采煤工艺方式 ................................................................................................................576.1.1 采煤方法的选择 .................................................................................................576.1.2 回采工作面长度的确定 .....................................................................................576.1.3 工作面的推进方向和推进度 .............................................................................586.1.4 综采工作面的设备选型及配套 .........................................................................586.1.5 各工艺过程注意事项 .........................................................................................656.1.6 工作面端头支护和超前支护 .............................................................................666.1.7 循环图表、劳动组织、主要技术经济指标 ......................................................676.1.8 综合机械化采煤过程中应注意事项 .................................................................726.2 回采巷道布置 .................................................................................................................736.2.1 回采巷道布置方式 ..............................................................................................736.2.2 回采巷道参数 ......................................................................................................737 井下运输 ....................................................................................................767.1 概述 .................................................................................................................................767.1.1 矿井设计生产能力及工作制度 ..........................................................................767.1.2 煤层及煤质 ..........................................................................................................76中国矿业大学 2012 届本科生毕业设计 第 3 页7.1.3 运输距离和辅助运输设计 ..................................................................................767.1.4 矿井运输系统 ......................................................................................................767.2 采区运输设备选择 .........................................................................................................777.2.1 设备选型原则: ..................................................................................................777.2.2 采区运输设备选型及能力验算 ..........................................................................787.3 大巷运输设备选择 .........................................................................................................807.3.1 主运输大巷设备选择 ..........................................................................................807.3.2 辅助运输大巷设备选择 ......................................................................................818 矿井提升 ....................................................................................................848.1 矿井提升概述 .................................................................................................................848.2 主副井提升 .....................................................................................................................848.2.1 主井提升 ..............................................................................................................848.2.2 副井提升设备选型 ..............................................................................................859 矿井通风及安全技术 ................................................................................889.1 概述 .................................................................................................................................889.2 矿井通风系统选择 .........................................................................................................899.2.1 矿井通风方式的选择 ..........................................................................................899.2.2 矿井通风方法的选择 ..........................................................................................909.2.3 采区通风方式的确定 ..........................................................................................919.3 矿井风量计算 .................................................................................................................919.3.1 工作面所需风量的计算 .....................................................................................919.3.2 备用面需风量的计算 .........................................................................................929.3.3 掘进工作面需风量 .............................................................................................939.3.4 硐室需风量 .........................................................................................................949.3.5 其它巷道所需风量 .............................................................................................949.3.6 矿井总风量计算 .................................................................................................949.3.7 风量分配 .............................................................................................................959.3.8 通风构筑物 ..........................................................................................................969.4 矿井通风阻力计算 ........................................................................................................969.4.1 容易和困难时期矿井最大阻力路线确定 .........................................................979.4.2 矿井通风阻力计算 ...........................................................................................1019.4.3 矿井通风总阻力计算 .......................................................................................1029.4.4 矿井总风阻和等积孔计算 ...............................................................................1039.5 选择矿井通风设备 ......................................................................................................1039.5.1 选择主要通风机 ...............................................................................................1039.5.2 电动机选型 .......................................................................................................1069.6 安全灾害的预防措施 ...................................................................................................1069.6.1 预防瓦斯和煤尘爆炸的措施 ............................................................................106中国矿业大学 2012 届本科生毕业设计 第 4 页9.6.2 预防井下火灾的措施 ........................................................................................1079.6.3 防水措施 ............................................................................................................10710 矿井基本技术经济指标 ........................................................................108参考文献: ..................................................................................................109大采高开采和放顶煤开采的技术经济比较 ..............................................1101 厚煤层采煤方法 .......................................................................................1101.1 厚煤层大采高综采 .......................................................................................................1101.1.1 大采高综采发展概述 [2] ...................................................................................1111.1.2 大采高综采的特点 ..........................................................................................1121.1.3 大采高综采适用技术 ......................................................................................1121.2 厚煤层放顶煤综采 .......................................................................................................1131.2.1 放顶煤综采发展概述 ......................................................................................1131.2.2 放顶煤综采的特点 ..........................................................................................1141.2.3 放顶煤综采适用技术 ......................................................................................1141.3 大采高和放顶煤综采工艺技术比较 ...........................................................................1141.3.1 大采高和放顶煤综采适用条件 ......................................................................1141.3.2 大采高和放顶煤综采优缺点 ..........................................................................1151.3.3 大采高和放顶煤综采技术可行性对比实例 ..................................................1162 采煤方法经济最优化和综合评价 ...........................................................1172.1 应用经济数学模型确定开采方案 ...............................................................................1172.1.1 矿区厚煤层开采条件 ......................................................................................1172.1.2 原始资料的确定 ................................................................................
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