陈四楼矿1.5Mta新井设计.docx

1、摘 要本设计包括三个部分：一般部分、专题部分和翻译部分。一般部分为陈四楼1.5 Mt/a新井设计。陈四楼煤矿位于河南省永城市西北郊区，交通较为便利。井田倾向（东西）长约3.80 km，走向（南北）长约5.08 km，井田总面积为19.00 km2。主采煤层为2号煤层，平均倾角为9.73，煤层平均厚度为5.50 m。井田地质条件较为简单。井田工业储量为151.23 Mt，矿井可采储量100.79 Mt 。该矿井服务年限为51.71 a，涌水量不大，矿井正常涌水量为600 m3/h，最大涌水量为650 m3/h。矿井瓦斯涌出量较低，为低瓦斯矿井。井田为立井加暗斜井延深两水平开拓；长壁放顶煤采煤法；

2、矿井通风方式为中央并列式。矿井年工作日为330d，工作制度为“三八”制：两班生产、一班准备。一般部分共包括10章：1.矿区概述及井田地质特征；2.井田境界和储量；3.矿井工作制度设计、生产能力及服务年限；4.井田开拓；5.准备方式-带区巷道布置；6.采煤方法；7.井下运输；8.矿井提升；9.矿井通风及安全；10.设计矿井基本技术经济指标。专题部分题目是高应力大变形巷道卸压机理及技术现状。主要是对当前国内煤矿中高应力和巷道大变形地质条件下，卸压机理的综述以及技术现状的分析。翻译部分主要内容为波兰硬煤开采研究的发展趋势，英文题目为：Directions of changes of hard coa

3、l output technologies in Poland。关键词：立井；两水平开采；放顶煤；双巷掘进；中央并列式ABSTRACTThis design includes of three parts: the general part, special subject part and translated part.The general part is a new design of Chensilou mine. Chensilou mine lines in north-west of Yongcheng in Henan province. The traffic of roa

4、d and railway is convenience to the mine. The width of the minefield is 3.80 km ,the width is about 5.08 km，well farmland total area is 19.00km2.The two is the main coal seam, and its average dip angle is 9 degree. The thickness of the mine is about 5.50 m in all. The proved reserves of the minefiel

5、d are 151.23 Mt. The recoverable reserves are 100.79 Mt. The designed productive capacity is 1.5 Mt percent year, and the service life of the mine is 51.7 years. The normal flow of the mine is 600 m3 percent hour and the max flow of the mine is 650 m3 percent hour. The mineral well gas gushes the de

6、al lower, for low gas mineral well.The well farmland is two levels in vertical shaft development;the cole mine is the longwall mining;the centralized ventilation.The working system “three-eight” is used in the Chensilou mine. It produced 330 d/a.This design includes ten chapters: 1.An outline of the

7、 mine field geology; 2.Boundary and the reserves of mine; 3.The service life and working system of mine; 4.development engineering of coalfield; 5.The layout of panels; 6. The method used in coal mining; 7. Transportation of the underground; 8.The lifting of the mine; 9. The ventilation and the safe

8、ty operation of the mine; 10.The basic economic and technical norms.Special subject parts of topics is “the discharging pressure mechanism and technical situation of roadways with the high stress and large deformation”. Mainly aims at the discharging pressure mechanism and technical situation of roa

9、dways with the high stress and large deformation in the domestic coal mine In the current situation. Translation part of main contents is about “Directions of changes of hard coal output technologies in Poland”.Keywords：shaft; two level mining; top coal caving; double thunnel drivage; centralized ju

10、xtapose ventilation.目 录摘 要5ABSTRACT11 矿区概述及井田地质特征21.1 矿区概述21.1.1矿区地理位置21.1.2自然地理概况21.1.3矿区开发历史及生产建设规划21.1.4矿井建设的外部条件21.2 井田地质特征21.2.1地层21.2.2地质构造21.2.3水文地质21.3 煤层特征21.3.1煤层21.3.2 煤质21.3.3 开采技术条件21.3.4勘探程度及存在问题22 井田境界和储量22.1 井田境界22.2 矿井工业资源储量22.2.1构造类型22.2.2煤层稳定类型22.2.3矿井工业储量22.3 矿井可采储量22.3.1井田边界保护煤柱

11、22.3.2工业广场煤柱22.3.3井筒保护煤柱22.3.4断层保护煤柱22.3.5大巷保护煤柱22.3.6矿井设计可采储量23. 矿井工作制度、设计生产能力及服务年限23.1 矿井工作制度23.2矿井设计生产能力及服务年限23.2.1确定依据23.2.2矿井设计生产能力23.2.3矿井服务年限23.3井型校核24 井田开拓24.1 井田开拓的基本问题24.1.1确定井筒形式、数目、位置及坐标24.1.2工业场地的位置24.1.3开采水平的确定及带（采）区划分24.2矿井基本巷道24.2.1井筒24.2.2井底车场及硐室24.2.3主要开拓巷道25 准备方式带区巷道布置25.1煤层地质特征25

12、.1.1带区位置25.1.2带区煤层特征25.1.3煤层顶底板岩石构造情况25.1.4水文地质25.1.5地质构造25.1.6地表情况25.2 带区巷道布置及生产系统25.2.1带区准备方式的确定25.2.2带区巷道布置25.2.3带区生产系统25.2.4带区内巷道掘进方法25.2.5带区生产能力及采出率25.3带区车场选型设计25.3.1带区车场的形式25.3.3带区主要硐室布置26 采煤方法26.1采煤工艺方式26.1.1带区煤层特征及地质条件26.1.2 采煤工艺方式选择26.1.3回采工作面参数26.1.4回采工艺及工作面设备选型26.1.5采煤工作面支护方式26.1.6端头支护及超前

13、支护方式26.1.7各工艺过程注意事项26.1.8回采工作面正规循环作业26.2回采巷道布置26.2.1回采巷道布置方式26.2.2回采巷道参数27 井下运输27.1概述27.1.1井下运输设计的原始条件与数据27.1.2运输距离和货载量27.1.3井下运输系统27.2带区运输设备选型27.2.1设备选型原则27.2.2带区运输设备的选型及能力验算27.3大巷运输设备选型27.3.1运煤设备27.3.2辅助运输设备选择28 矿井提升28.1矿井提升概述28.2主副井提升28.2.1主井提升28.2.2副井提升29 矿井通风及安全29.1矿井通风系统选择29.1.1矿井概述29.1.2矿井通风系

14、统的确定29.1.3带区通风系统的确定29.1.4矿井通风容易与困难时期的确定29.2带区及全矿所需风量29.2.1采煤工作面实际需风量29.2.2掘进工作面实际需风量29.2.3硐室需风量29.2.4其它巷道需风量29.2.5矿井所需总风量29.2.6风量分配及风速验算29.3矿井通风阻力计算29.3.1矿井通风阻力计算原则29.3.2矿井最大阻力路线29.3.3计算矿井摩擦阻力和总阻力：29.3.4矿井通风总阻力29.4矿井通风设备选型29.4.1主要通风机选型29.4.2电动机选型29.4.3主要通风机附属装置29.5防治特殊灾害的安全措施29.5.1预防瓦斯灾害的措施29.5.2预防煤

15、尘灾害的措施29.5.3预防井下火灾的措施29.5.4预防井下水灾的措施210 设计矿井基本技术经济指标2参考文献2高应力大变形巷道卸压机理及技术现状21.卸压支护现状21.1卸压支护原理21.2卸压与支护关系分析22.深井高应力巷道卸压法防治底臌技术分析22.1数值模型的建立22.2巷道围岩变形分析22.2.2采用卸压措施后巷道的变形及应力分布23.薄煤层作为保护层开采的卸压机理23.1保护层的卸压机理23.3技术分析24.软岩大变形巷道卸压与可控大变形支架支护技术现状24.1矿井概况24.2大变形软岩巷道破坏特征24.3大变形软岩巷道支护难点分析24.4巷道卸压与可控大变形支架支护技术24.5小 结25、软岩巷道爆