永城矿区陈四楼1.5Mta新井设计【专题浅析煤矿岩石巷道支护】.doc

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 km，井田总面积为 19.00km2。主采煤层为 2 号煤层，平均倾角为 11.6，煤层平均厚度为 2.45 m。井田地质条件较为简单。井田工业储量为 168.88 Mt，矿井可采储量 123.38 Mt 。该矿井服务年限为 58 a，涌水量不大，矿井正常涌水量为 894 m3/h，最大涌水量为 1200 m3/h。矿井瓦斯涌出量较低，为低瓦斯矿井。井田为立井单水平开拓；综采一次采全高采

2、煤法；矿井通风方式为混合式。矿井年工作日为 330d，工作制度为“三八”制。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.矿井工作制度及设计生产能力、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.矿井通风与安全技术；10.矿井基本技术经济指标。专题部分的题目为浅析煤矿岩石巷道支护。翻译部分主要内容长臂开采工作面回采巷道顶板支护的设计方法，英文题目为：A method for the design of longwall gateroad roof support。关键词：立井；带区；综采；混合式ABSTRAC

3、TThis 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 ofYongcheng in Henan province. The traffic of road and railway is convenience to the mine. The width of the minefie

4、ld is 3.80 km ,the width is about 5.00 km，well farmland total area is 19.00km2.The two is the main coal seam, and its average dip angle is 11.6 degree. The thickness of the mine is about 2.45 m in all. The proved reserves of the minefield are 168.88 Mt. The recoverable reserves are 123.38 Mt. The de

5、signed productive capacity is 1.5 Mt percent year, and the service life of the mine is 58 years. The normal flow of the mine is 894 m3 percent hour and the max flow of the mine is 1200 m3 percent hour. The mineral well gas gushes the deal lower, for low gas mineral well.The well farmland is one leve

6、l 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 mine field geology; 2.Boundary and the reserves of mine; 3.The s

7、ervice 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 safety operation of the mine; 10.The basic economic and technical nor

8、ms.Special subject parts of topics is Analysis on coal mine rock roadway.Translation part of main contentses is A method for the design of longwall gateroad roof support.English topic is: A method for the design of longwall gateroad roof support.Keywords: Vertical shaft; bands; band mode; fully mech

9、anized mining; Hybrid ventilation目 录一般部分1 矿区概况与井田地质特征11.1矿区概况11.1.1地理位置与交通11.1.2自然地理概况11.1.3其它31.2井田地质特征31.2.1井田地层31.2.2地质构造41.2.3水文地质51.3 煤层特征61.3.1煤层61.3.2 煤质71.3.3 开采技术条件71.3.4勘探程度及存在问题72 井田境界与储量92.1 井田境界92.1.1 井田境界划分的原则92.1.2 井田境界92.2矿井储量102.2.1构造类型102.2.2煤层稳定类型102.2.2矿井地质资源量102.2.3矿井工业储量112.2.4

10、矿井设计可采储量113 矿井工作制度、设计生产能力及服务年限143.1矿井工作制度143.2矿井设计生产能力及服务年限143.2.1矿井设计生产能力确定依据143.2.2矿井设计生产能力143.2.3矿井的服务年限143.2.4井型校核154 井田开拓164.1 井田开拓的基本问题164.1.1确定井筒形式、数目、位置及坐标164.1.2工业场地的位置184.1.3开采水平的确定及带（采）区划分184.1.4方案比较194.2 矿井基本巷道244.2.1井筒244.2.2开拓巷道254.2.3井底车场及硐室255 准备方式带区巷道布置335.1煤层地质特征335.1.1带区位置335.1.2带

11、区煤层特征335.1.3煤层顶底板岩石构造情况335.1.4水文地质345.1.5地质构造345.1.6地表情况345.2 带区巷道布置及生产系统345.2.1带区准备方式的确定345.2.2带区巷道布置355.2.3带区生产系统355.2.4带区内巷道掘进方法375.2.5带区生产能力及采出率375.3带区车场选型设计386 采煤方法406.1采煤工艺方式406.1.1带区煤层特征及地质条件406.1.2 采煤工艺方式选择406.1.3回采工作面参数416.1.4 综采工作面的设备选型及配套416.1.5 各工艺过程注意事项476.1.6 工作面端头支护和超前支护486.1.7循环图表、劳动

12、组织、主要技术经济指标496.1.8 综合机械化采煤过程中应注意事项536.2回采巷道布置546.2.1回采巷道布置方式546.2.2回采巷道参数547 井下运输567.1概述567.1.1矿井设计生产能力及工作制度567.1.2煤层及煤质567.1.3运输距离和辅助运输设计567.1.4矿井运输系统567.2带区运输设备选择577.2.1设备选型原则：577.2.2带区运输设备选型及能力验算587.3大巷运输设备选597.3.1主运输大巷设备选择597.3.2辅助运输大巷设备选择597.3.3运输设备能力验算618 矿井提升638.1矿井提升概述638.2主副井提升638.2.1主井提升63

13、8.2.2副井提升设备选型649 矿井通风及安全679.1矿井地质、开拓、开采概况679.1.1矿井地质概况679.1.2开拓方式679.1.3开采方法679.1.4变电所、充电硐室、火药库679.1.5工作制、人数689.2矿井通风系统的确定689.2.1矿井通风系统的基本要求689.2.2矿井通风方式的选择699.2.3矿井通风方法的选择699.2.4带区通风系统的要求709.2.5带区通风方式的确定709.3矿井风量计算719.3.1通风容易时期和通风困难时期采煤方案的确定719.3.2各用风地点的用风量和矿井总用风量719.3.3风量分配759.4矿井阻力计算769.4.1计算原则76

14、9.4.2矿井最大阻力路线779.4.3计算矿井摩擦阻力和总阻力：779.4.4两个时期的矿井总风阻和总等积孔799.5选择矿井通风设备819.5.1选择主要通风机819.5.2电动机选型839.6安全灾害的预防措施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859.6.3防水措施8510 设计矿井基本技术经济指标86专题部分浅析煤矿岩石巷道支护881问题的提出882支护形式选择883软岩巷道问题分析974结语102翻译部分A method for the design of longwall gateroad roof support1041. Introducti

15、on1042. Current roof support design methods for longwall gateroads1053. Geotechnical roof classification of longwall gateroads1054. An index of mining induced stress1065. Characterisation of installed roof support1106. Database1107.Design methodology1117.1 Introduction1117.2. Rock-mass characterisation1117.3 Stress index1117.4 D