摘要.pdf

摘 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 一般部分为祁南矿 1 5Mt a 的新井设计 祁南矿位于安徽省宿州市境内 京 沪铁路从本区东北通过 交通十分便利 井田走向长 8km 倾斜宽 3 2km 面积 25 6km2 主采煤层一层 即 32煤层 平均倾角 13 厚约 4 0m 井田工业储量 为 143 8248 Mt 可采储量 109 643Mt 矿井服务年限为 56 2 a 井田地质条件简 单 表土层平均厚度 72 m 矿井正常涌水量为 129 35m3 h 最大涌水量为 219 1 m3 h 矿井绝对瓦斯涌出量为 2 1 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 830m水平 方案二 立井两水平开采 立井延深至 830m水 平 方案三 立井两水平开采 暗斜井延伸至 750 m 水平 方案四 立井两水 平开采 立井井延伸至 750 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 650 m 二水平标高 830 m 设计首采区采用采区准备方式 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 三八 制作业 两班生产 一班检修 生产班 每班 3 个循环 日进 6 个循环 循环进尺 0 8 m 日产量 4569 6t 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 16 t 双箕斗和一套 16 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 2740 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 17 95 元 t 专题部分题目是矿井深部开采支护技术研究 翻译部分是一篇关于华丰煤矿冲击矿压电磁辐射监测 英文原题目是 EME rock burst monitoring in coal mine huafeng 关键词 立井 两水平 上山开采 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 5 Mt a new underground mine design of Qinan coal mine Qinan coal mine lies in Suzhou Anhui province Beijing Shanghai railway from the northeast through the region the traffic is very convenient It s about 8 km on the strike and 3 2 km on the dip with the 25 6 km2 total horizontal area The minable coal seam of this mine is only 32with an average thickness of 4 0 m and an average dip of 13 The proved reserves of this coal mine are 143 8248Mt and the minable reserves are 109 643Mt with a mine life of 56 2a The geological condition of the mine is relatively simple The average thickness of 72 m surface soil The normal mine inflow is 129 35 m3 h and the maximum mine inflow is 219 1 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 830 m thr second is vertical shaft development with two mining levels and the extension of vertical shaft go to 830 m the third is vertical shaft development with two mining levels and the extension of inclined shaft go to 750 m the last is vertical shaft development with two mining levels and the extension of vertical shaft go to 750 m The first project is the best comparing with other three project in technology and economy The first level is at 650 m The second level is at 830m 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 three eight with three teams mining and the other overhauling Every mining team makes three working cycle with six working cycle everyday Advance of working cycle is 0 8 m and quantity of 4569 6 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 2740 Pa the coefficient of resistance is 0 465 N s2 m8 equivalent orifice is 2 27 m2 The cost of the designed mine is 17 95 yuan per ton The monographic study is deep mining mine support te