毕业论文范文—— 综掘煤巷层状复合顶板的离层机理及其控制技术.doc

1、 设计总说明本设计包括两个部分：一般部分和专题部分。一般部分为平朔井工一矿 10.0Mt/a 新井设计，全篇共分为十个部分：矿井概述及井田地质特征、井田境界及储量、矿井工作制度和设计生产能力、井田开拓、带区巷道布置、采煤方法、井下运输、矿井提升、矿井通风与安全和矿井主要经济技术指标。平朔井工一矿位于山西省朔州市境内。矿井东西长约为 5500m，南北宽约为4100m，面积为 2.147107m2。井田内的可采煤层为 4 煤、9 煤，其中主采为 4 煤，该煤层赋存稳定，平均厚度 13.91m。倾角平均为 5，为近水平特厚煤层。井田内工业储量 15.69108t，可采储量 11.34108t。矿井平

2、均涌水量为 198.8m3/h，相对瓦斯涌出量 1.135m3/t，煤层有煤尘爆炸危险性和自然发火现象。平朔井工一矿年设计生产能力 10.0Mt/a，服务年限 81a。采用双斜井回风立井单水平带区式综合开拓，水平标高+1020m，矿井采用倾斜长壁综合机械化采煤法。矿井布置一个综放工作面保证全矿井的产量，长度 300m，煤的运输采用胶带运输机运输。矿井的通风方式采用中央并列式通风。专题部分为综掘煤巷层状复合顶板的离层机理及其控制技术。本文介绍了复合顶板的概念和引起离层的各种原因分析以及国内外离层机理与支护技术的研究现状，重点突出煤巷复合顶板的支护方法与意义。分析了复合顶板的离层变形破坏规律，明确

3、了复合顶板巷道不同支护形式的作用机理。关键词：斜井开拓；条带准备；放顶煤工作面Design general descriptionThis design consists of two parts: the general part and the special subject part.The general part of the Pingshuo Mine 10.0 million tons of new wells design, which is divided into into ten parts: overview of mine and mine geology, mine

4、 realm and reserves, mine work system and design production capacity of mine development, mining roadway layout, mining method, underground transport, mine hoist, mine ventilation and safety and coal mine main economic and technical indicators.In a well located in Shuozhou city of Shanxi province. T

5、he length of the mine is about 5500m, the North South width is about 4100m, the area is 2.147x107m2. Mines recoverable coal seam is 4 coal, 9 coal, the main coal mining is 4 coal, the coal seam is stable, with an average thickness of 13.91 meters. The dip angle is 5 degree, which is the special thic

6、k seam of the near horizontal. Mine industrial reserves of Mine is 15.69108 tons, recoverable reserves of 11.34108 tons. The average inflow of 198.8m3/h, relative gas emission quantity 1.135m3/t and belongs to the low gas coal mine coal seam coal dust explosion hazard and natural ignition phenomenon

7、.In a well designed annual production capacity of 10.0Mt, the service life of 81 years. Adopts double inclined shaft, air shaft single level set to develop a comprehensive, level elevation +1020m and mine the inclined longwall fully mechanized mining method.Mine layout of a fully mechanized caving f

8、ace to ensure the production of the entire mine, length of 300m, coal transport using conveyor belt conveyor. The ventilation mode of the mine adopts central parallel ventilation.Separation mechanism of special parts for fully mechanized coal roadway roof layered composite and its control technology

9、. This paper introduces the concept of composite roof and caused by separation of a variety of reasons analysis and the separation mechanism and supporting technology research status, highlight the coal lane compound roof support method and significance. Deformation and failure law of the composite

10、roof abscission layer analysis, the different mechanism of composite roof roadway supporting form.Keywords: inclined shaft; strip preparation; top coal caving目录目录一般部分1 矿区概况及井田地质特征11.1 矿区概况11.1.1 井田位置及交通11.1.2 地形与地貌11.1.3 水系情况11.1.4 气象情况11.1.5 地震情况31.1.6 矿区工业发展现状3目录1.1.7 小窑开采情况31.1.8 建材情况31.1.9 矿区水源、

11、电源与通信情况31.2 井田地质特征41.2.1 区域地质特征41.2.2 地层特征41.2.3 地质构造71.2.4 水文地质81.3 煤层特征11目录1.3.1 煤层赋存状况111.3.2 煤质情况121.3.3 基岩风化情况131.3.4 瓦斯、煤尘及自燃情况131.3.5 地温情况132 井田境界及储量152.1 井田境界152.1.1 井田境界的划分原则152.1.2 划分井田的方法15目录2.1.3 矿井井田境界152.2 井田工业储量162.3 井田可采储量162.3.1 永久煤柱留设162.3.2 矿井可采储量计算203 矿井工作制度和设计生产能力213.1 矿井工作制度213

12、.2 矿井设计生产能力及服务年限213.2.1 确定依据21目录3.2.2 矿井设计生产能力213.2.3 矿井服务年限223.3 井型校核223.3.1 煤层开采能力223.3.2 辅助生产环节的能力校核223.3.3 通风安全条件的校核224 井田开拓254.1 井田开拓的基本问题254.1.1 确定井硐形式、数目及配置25目录4.1.2 开采水平的确定274.1.3 方案比较274.2 矿井基本巷道354.2.1 主斜井354.2.2 副斜井354.2.3 回风立井354.2.4 主要开拓巷道354.2.5 井底车场364.2.6 井下硐室36目录5 带区巷道布置455.1 煤层地质特征455.1.1 带区位置455.1.2 带区煤层特征455.1.3 煤层顶底板岩石构成情况455.1.4 水文地质455.1.5 地质构造465.2 带区巷道布置465.2.1 带区准备方式的确定46目录5.2.2 工作面推进方向的确定465.2.3 带区倾向长度的确定475.2.4 带区走向长度的确定505.2.5 带区煤柱505.2.6 带区开采顺序505.3 带区生产系统505.3.1 带区运煤系统505.3.2 带区辅助运输系统505.3.3 带区通风系统51