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。一般部分为沁新煤矿1.2Mt/a新井设计。沁新煤矿位于山西省屯留、襄垣县境内,交通便利。井田总面积为16.00 km2。主采煤层为2煤,煤层倾角为28,平均总厚度为3.00m,井田地质条件较为简单。井田工业储量为162.81 Mt,可采储量为123.75Mt。矿井设计生产能力为1.2Mt/a。矿井服务年限为73.7a,涌水量不大,矿井正常涌水量为270 m3/h,最大涌水量为480 m3/h。矿井瓦斯相对涌出量为1.732 m3/t,绝对涌出量为7.866 m3/min,为低瓦斯矿井。井田开拓方式为立井单水平开拓。采用胶带输送机运煤,采
2、用矿车进行辅助运输。矿井通风方式为中央并列式通风。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、矿区概述与井田地质特征;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、矿井通风与安全;10、设计矿井基本技术经济指标。专题部分题目是巷道快速掘进与支护技术,主要分析了巷道快速掘进与支护的影响因素和变形规律,并从引起巷道变形的因素的角度,分析了近年来的快速掘进巷道的支护理论及技术。翻译部分主要内容关于煤层气与开采近距离保护层过程中采场周围岩石裂隙的发展过程的关系,英文题目为:
3、Relationships between gas reservoir and the evolution of stope Surrounding rock fracture at the process of mining the Closed distance protection layer。关键词:立井;单水平;带区;中央并列式;一次采全高AbstractThis design includes three parts: general part, special part and the translation part. The general part is1.2Mt/a Ni
4、i Qin new coal mine design. Qin new colliery is located in Shanxi province Tunliu, Xiangyuan County, convenient transportation. Ida has a total area of 16km2. The main coal seam 2 coal, coal seam dip angle is 28, average thickness of 3.00m, Ida geological condition is relatively simple.Coal mine ind
5、ustrial reserves162.81 Mt, recoverable reserves is 123.75Mt. Mine design and production capacity of 1.2Mt/a. The service life of the mine is 73.7a, water inflow is not normal, mine gushing water volume is 270 m3/h, maximum discharge capacity of 480 m3/h. Mine of relative gas emission is 1.732 m3/t,
6、absolute emission is 7.866 m3/min, for low gas mine.Ida explore the way for vertical single level development. Using belt conveyor coal, used car auxiliary transportation. Mine ventilation for the central abreast ventilation. Mine year work on330D, working system for three eight.The general part con
7、sists of 10 chapters:1, mining area geological features overview and Ida;2, Ida state and reserves;3, working system, design production capacity and service life;4, Ida forge;5, preparation ways - zone roadway layout, mining method;6;7,8, the mine underground transportation; lift;9, mine ventilation
8、 and security;10, the basic design of mine technical economic index.Thematic part of the subject is of rapid excavation and supporting technology, mainly analyzed the roadway quick driving and supporting factors and deformation, and the deformation of roadway from the induced factors, analysis in re
9、cent years of rapid excavation of roadway support theory and technology.Translation part of the main content of coal seam gas and mining in close distance protective layer of stope surrounding rock fissure development relations, English title: Relationships between gas reservoir and the evolution of
10、 stope Surrounding rock fracture at the process of mining the Closed distance protection layer。Key word: vertical shaft; single; band; the central parallel; full-seam mining目 录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11.1.2 矿区气候条件31.1.3 矿区的水文情况31.1.4 地震烈度31.1.5 电源31.2 井田地质特征31.2.1 地层及地质构造31.2.2含水层及其水文地质特征
11、71.3煤层及煤质101.3.1煤层101.3.2煤质111.3.3瓦斯,煤尘,自燃及地温122 井田境界与储量132.1井田境界132.2矿井储量132.2.1构造类型132.2.2储量计算基础132.2.3安全煤柱留设原则132.2.4矿井地质储量计算142.2.5矿井工业储量计算152.2.6矿井可采储量163 矿井工作制度、设计生产能力及服务年限193.1矿井工作制度193.2矿井设计生产能力及服务年限193.2.1确定依据193.2.2矿井设计生产能力193.2.3.井型校核194 井田开拓224.1井田开拓的基本问题224.1.1井筒形式的确定224.1.2工业场地的位置244.1
12、.3开采水平的确定244.1.4矿井开拓方案比较254.2矿井基本巷道294.2.1井筒294.2.2主要开拓巷道314.2.3井底车场及硐室345 准备方式带区巷道布置365.1煤层地质特征365.1.1带区位置365.1.2带区煤层特征365.1.3煤层顶底板岩石构造情况365.1.4水文地质365.1.5地质构造365.1.6地表情况365.2带区巷道布置及生产系统365.2.1带区准备方式的确定365.2.2带区巷道布置375.2.3带区生产系统375.2.4带区内巷道掘进方法385.2.5带区生产能力及采出率406 采煤方法426.1 采煤工艺方式426.1.1 采煤方法的选择426
13、.1.2 回采工作面长度的确定426.1.3 工作面的推进方向和推进度426.1.4 综采工作面的设备选型及配套426.1.5 各工艺过程注意事项506.1.6 工作面端头支护和超前支护516.1.7循环图表、劳动组织、主要技术经济指标526.1.8 综合机械化采煤过程中应注意事项546.2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
14、能力验算577.3大巷运输设备选587.3.1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669.1矿井通风系统的选择669.1.1矿井地质概况669.1.2开拓方式669.1.3开采方法669.1.4变电所、充电硐室、火药库669.2矿井通风系统的确定679.2.1矿井通风系统的基本要求679.2.2矿井通风方式的选择679.2.3矿井通风方法的选择689.2.4带区通风系统的要求699.2.5带区通风方式的确定699.3矿
15、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709.3.2各用风地点的用风量和矿井总用风量709.3.3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759.4.3计算矿井摩擦阻力和总阻力:769.4.4两个时期的矿井总风阻和总等积孔799.5选择矿井通风设备809.5.1选择主要通风机809.5.2电动机选型839.6安全灾害的预防措施839.6.1预防瓦斯和煤尘爆炸的措施839.6.2预防井下火灾的措施849.6.3防水措施8410 设计矿井基本技术经济指标850 引言881巷道快速掘进的影响因素和方法881.1巷道快速掘进的影响因素881.1 .1地质构造影响因素881.1.2 装置设备