摘要.pdf

摘摘 要要 本设计包括三个部分 一般设计部分 专题设计部分和翻译部分 一般部分 为屯留矿 1 2Mt a 的新井设计 屯留矿位于山西省长治市境内 矿区对外交通有 太 原 焦 作 铁路 交通十分便利 井田走向长 6 01km 倾斜宽 4 05km 面积 24 34km 2 主采煤层一层 即 3 号煤层 平均倾角 10 厚约 4 1m 井田工 业储量为 133 82 Mt 可采储量 97 94 Mt 矿井服务年限为 62 78 a 井田地质条 件简单 表土层平均厚度 45 m 矿井正常涌水量为 320 m3 h 最大涌水量为 340 m3 h 煤层硬度系数 f 2 5 矿井绝对瓦斯涌出量为 1 84 m3 min 属低瓦斯矿井 煤层有自燃发火倾向 发火期 3 6 个月 煤尘具有爆炸危险性 根据井田地质条件 提出四个技术上可行开拓方案 方案一 立井两水平开 采 暗斜井延深至 60m 水平 方案二 立井两水平开采 立井延深至 60m 水平 方案三 立井两水平开采 暗斜井延伸至 200 m 水平 方案四 立井两水平开采 立井井延伸至 200 m 水平 通过技术经济比较 最终确定方案一为最优方案 将 主采煤层划分为两个水平 一水平标高 350 m 二水平标高 60 m 因井田走向 大断层将井田分为东西两部分 井田东部为一水平服务范围 井田西部为二水平 服务范围 设计首采区采用带区准备方式 工作面长度 200 m 采用一次采全高采煤法 全部跨落法处理采空区 矿井采用 四六 制作业 三班生产 一班检修 生产 班每班 2 个循环 日进 6 个循环 循环进尺 0 6 m 日产量 3645 45t 大巷采用带式输送机运煤 辅助运输采用 1 5 t 固定箱式矿车 主井装备一 套 12 t 双箕斗和一套 12 t 单箕斗带平衡锤提煤 副井装备一对 3 t 矿车双层单车 罐笼带平衡锤担负辅助运输任务 矿井采用中央并列式通风 通风容易时期矿井 总需风量 4608 m3 min 矿井通风总阻力 2096 Pa 风阻 0 35 N s2 m8 等积孔 2 92 m2 矿井通风容易 矿井通风困难时期矿井总风量 4608 m3 min 矿井通风总阻 力 2746 Pa 风阻 0 46 N s2 m8 等积孔 2 27m2 矿井通风容易 设计矿井的吨煤 成本 100 元 t 专题部分题目是急倾斜煤层覆岩导水裂隙带高度分析 翻译部分是一篇关于 电 磁 辐 射 在 煤矿 冲 击 地压 预 测 中的 应用 英 文 原 题目 Calculation of Electromagnetic Radiation Criterion for Rockburst Hazard Forecast in Coal Mines 关键词 立井 大采高 单巷掘进 中央并列式 ABSTRACT This design can be divided into three sections general design monographic study and translation of an academic paper The general design is about a 1 2 Mt a new underground mine design of Tunliu coal mine Tunliu coal mine lies in Changzhi Shanxi province As Taijiao railway run across the east part of the mining field connect the traffic is very convenient It s about 6 01 km on the strike and 4 05 km on the dip with the 24 34 km2 total horizontal area The minable coal seam of this mine is only 3with an average thickness of 4 1 m and an average dip of 10 The proved reserves of this coal mine are 133 82Mt and the minable reserves are 97 84 Mt with a mine life of 62 78a The geological condition of the mine is relatively simple The normal mine inflow is 320 m3 h and the maximum mine inflow is 340 m3 h It s a coal seam liable to explosion Based on the geological condition of the mine I bring forward four available project in technology The first is vertical shaft development with two mining levels and the extension of inclined shaft go to 60 m thr second is vertical shaft development with two mining levels and the extension of vertical shaft go to 60 m the third is vertical shaft development with two mining levels and the extension of inclined shaft go to 200 m the last is vertical shaft development with two mining levels and the extension of vertical shaft go to 200 m The first project is the best comparing with other three project in technology and economy The first level is at 350 m The second level is at 60m Because a major fault lies in the center of mine field the mine field is divided into the north section and the south section the south section is one level service scope and the north section is two level service scope Designed first mining district makes use of the method of preparation in mining area the length of working face is 200m which uses fully mechanized coal mining technology and fully caving method to deal with goaf The working system is four six with three teams mining and the other overhauling Every mining team makes two working cycle with six working cycle everyday Advance of working cycle is 0 6 m and quantity of 3645 45 ton coal is maked everyday Main roadway makes use of belt conveyor to transport coal resource and mine car to be assistant transport Main shaft makes use of skip to transport coal resource when subsidiary shaft makes use of cage to be assistant transport In the prophase of mining the mine makes use of centralized ventilation method when in the evening of mining the mine makes use of areas ventilation method At the easy time of mine ventilation the total air quantity is 4608 m3 per minute the total mine ventilation resistance is 2096 Pa the coefficient of resistance is 0 35 N s2 m8 equivalent orifice is 2 92 m2 At the difficult time of mine ventilation the total air quantity is about 4608 m3 per minute the total mine ventilation resistance is 2746 Pa the coefficient of resistance is 0 465 N s2 m8 equivalent orifice is 2 27 m2 The cost of the designed mine is 100 yuan per ton The monographic study is Overburden steep seam height of water flowing fractured zon