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村庄下煤矿开采方案优化方法研究.rar

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    村庄 煤矿 开采 方案 优化 方法 研究
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    中 国 矿 业 大 学本 科 生 毕 业 设 计姓 名: 胡 继 周 学 号: 01080139 学 院: 矿业工程学院 专 业: 采矿工程 设计题目: 张双楼煤矿 1.2 Mt/a 新井设计 专 题: 村庄下煤矿开采方案优化方法研究 指导教师: 曹安业 职 称: 讲 师 2012 年 6 月 10 日 徐州中国矿业大学毕业论文任务书学院 矿业工程学院 专业年级 采矿工程 08 级 学生姓名 胡继周 任 务 下 达 日 期 : 2012 年 1 月 8 日毕业论文日期: 2012 年 3 月 12 日 至 2012 年 6 月 10 日毕业论文题目: 张双楼煤矿 1.2Mt/a 新井设计毕业论文专题题目: 村庄下煤矿开采方案优化方法研究毕业论文主要内容和要求:以实习矿井张双楼煤矿条件为基础,完成张双楼煤矿1.2 Mt/a 新井设计。主要内容包括:矿井概况、矿井工作制度及设计生产能力、井田开拓、首采区设计、采煤方法、矿井通风系统、矿井运输提升等。专题部分,撰写一篇关于村庄下煤矿开采方案优化方法研究的专题论文。翻译部分,完成名称为“Influence of temperature on coal sorption characteristics and the theory of coal surface free energy”的 EI 论文翻译一篇。院长签字: 指导教师签字:中国矿业大学毕业论文指导教师评阅书指导教师评语(①基础理论及基本技能的掌握;②独立解决实际问题的能力;③ 研究内容的理论依据和技术方法;④取得的主要成果及创新点; ⑤工作态度及工作量;⑥总体评价及建议成绩;⑦存在问题; ⑧是否同意答辩等):成 绩: 指导教师签字:年 月 日中国矿业大学毕业论文评阅教师评阅书评阅教师评语(①选题的意义; ②基础理论及基本技能的掌握; ③综合运用所学知识解决实际问题的能力;④工作量的大小;⑤ 取得的主要成果及创新点; ⑥写作的规范程度;⑦总体评价及建议成绩;⑧存在问题;⑨ 是否同意答辩等 ):成 绩: 评阅教师签字:年 月 日中国矿业大学毕业论文评阅教师评阅书评阅教师评语(①选题的意义; ②基础理论及基本技能的掌握; ③综合运用所学知识解决实际问题的能力;④工作量的大小;⑤ 取得的主要成果及创新点; ⑥写作的规范程度;⑦总体评价及建议成绩;⑧存在问题;⑨ 是否同意答辩等 ):成 绩: 评阅教师签字:年 月 日中国矿业大学毕业论文答辩及综合成绩答 辩 情 况回 答 问 题提 出 问 题 正 确基 本正 确有 一般 性错 误有 原则 性错 误没 有回 答答辩委员会评语及建议成绩:答辩委员会主任签字: 年 月 日学院领导小组综合评定成绩:学院领导小组负责人: 年 月 日摘 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。一般部分为张双楼矿 1.2 Mt/a 的新井设计。张双楼煤矿位于江苏省徐州市境内,东有沛屯铁路与陇海线相连,交通十分便利。井田走向(东西)长平均约 10.42 km,倾向(南北)长平均约 3.16 km,井田水平面积为 32.93 km2。主采煤层一层,即 7 号煤层,平均倾角 24°,厚约 2.5 m。井田工业储量为 126.59 Mt,可采储量 108.30 Mt,矿井服务年限为 60.88 a。井田地质条件简单。表土层平均厚度 70 m;矿井正常涌水量为 230.5 m3/h,最大涌水量为 306.5 m3/h;煤层硬度系数 f=2.3,煤质牌号为气煤 44;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,一水平标高-550m,暗斜井延深至-1000 m 水平,岩层大巷;方案二:立井两水平开采,一水平标高-550m,暗斜井延深至-1000 m 水平,煤层大巷;方案三:立井两水平开采,一水平标高-550m,暗立井延深至-1000 m 水平,岩层大巷;方案四:一水平标高 -550m,暗立井延深至-1000 m 水平,煤层大巷。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,因井田走向大断层将井田分为南北两部分,井田南部为一水平服务范围,井田北部为二水平服务范围。设计首采区采用采区准备方式,工作面长度 190 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 3 个循环,日进 9 个循环,循环进尺 0.6 m,日产量 3636.36 t。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。矿井生产初期采用中央并列式通风,后期采用分区域式通风。通风容易时期矿井总需风量 3675 m3/min,矿井通风总阻力 2286.84Pa,风阻 0.61N·s2/m8,等积孔1.53 m2,矿井通风容易。矿井通风困难时期矿井总风量 3675 m3/min,矿井通风总阻力2744.02Pa,风阻 0.73 N·s2/m8,等积孔 1.40 m2,矿井通风中等困难。专题部分题目是村庄下煤矿开采方案优化方法研究。采用综合分析法以经济收益最大化,地表下沉最小化为最优目标建立数学模型,形成一套完整的评估体系。翻译部分是一篇关于温度对煤炭吸附特性和表面自由能影响的理论研究的论文,英文原文题目为:Influence of temperature on coal sorption characteristics and the theory of coal surface free energy.关键词:立井;上下山开采;一次采全高;中央并列式ABSTRACTThis design can be divided into three sections: general design, monographic study and translation of an academic paper.The general design is abouta1.2Mt/a new underground mine design of Zhangshuanglou coal mine. Zhangshuanglou coal mine lies in Xuzhou, Jiangsu province. As Peitun railway run across the east part of the mining field connect to Longhai railway, the traffic is very convenient. It’s about 10.42 km on the strike and 3.16 km on the dip,with the 32.93 km2 total horizontal area. The minable coal seam of this mine is only 7 with an average thickness of 2.5 m and an average dip of 24°. The proved reserves of this coal mine are 126.59 Mt and the minable reserves are 108.30 Mt, with a mine life of 60.88 a.The geological condition of the mine is relatively simple. The normal mine inflow is 230.5 m3/h and the maximum mine inflow is 306.5 m3/h. It is bituminous coal 44 with low mine gas emission rate and coal spontaneous combustion tendency, and 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 ,the first level is -550m and extension of dimly inclined shaft go to -1000 m,using rock gallery; the second is vertical shaft development with two mining levels.,the first level is -550m and extension of dimly inclined shaft go to -1000 m,using coal gallery; the third is vertical shaft development with two mining levels,,the first level is -550m and the extension of dimly i vertical shaft go to -1000 m,using rock gallery; the last is vertical shaft development with two mining levels, the first level is -550m and the extension of dimly i vertical shaft go to -1000 m,using coal gallery. The first level is at -550 m, The second level is at -1000 m, 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 190 m, 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 three working cycle, with nine working cycle everyday. Advance of working cycle is 0.6 m, and quantity of 3636.36 ton coal is makedeveryday.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 3675 m3 per minute, the total mine ventilation resistance is 2286.84 Pa, the coefficient of resistance is 0.61 N·s2/m8, equivalent orifice is 1.53 m2. At the difficult time of mine ventilation, the total air quantity is about 3675 m3 per minute, the total mine ventilation resistance is 2744.02 Pa, the coefficient of resistance is 0.73 N·s2/m8, equivalent orifice is 1.40 m2. The monographic study is about researching the better way to extract the coal under village .The translated academic paper is about the influence of temperature on coal sorption characteristics and the theory of coal surface free energy.Keywords:shaft; up-dip and down-dip minging; all mining height; centralized juxtapose ventilation. 目 录ABSTRACT一 般 部 分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、水文情况 .............................................................................................11.2 井田地质特征 ........................................................................................................................21.2.1 煤系地层 .........................................................................................................................21.2.2 水文地质特征 .................................................................................................................51.3 煤层特征 ................................................................................................................................91.3.1 可采煤层 .........................................................................................................................91.3.2 煤的特征 .........................................................................................................................92 井田境界与储量 .......................................................................................................................112.1 井田境界 ..............................................................................................................................112.2 矿井储量计算 ......................................................................................................................112.2.1 构造类型 .......................................................................................................................112.2.2 矿井工业储量 ...............................................................................................................112.2.3 矿井可采储量 ...............................................................................................................132.2.4 工业广场煤柱 ...............................................................................................................142.2.5 风井保护煤柱 ...............................................................................................................153 矿井工作制度、设计生产能力及服务年限 ............................................................................163.1 矿井工作制度 ......................................................................................................................163.2 矿井设计生产能力及服务年限 ..........................................................................................163.2.1 矿井设计生产能力 .......................................................................................................163.2.2 井型校核 .......................................................................................................................164 井田开拓 ...................................................................................................................................184.1 井田开拓的基本问题 ..........................................................................................................184.1.1 井筒形式的确定 ...........................................................................................................184.1.2 井筒位置的确定 ...........................................................................................................204.1.3 工业广场的位置 ...........................................................................................................204.1.4 开采水平的确定 ...........................................................................................................214.1.5 矿井开拓方案比较 .......................................................................................................214.2 矿井基本巷道 ......................................................................................................................274.2.1 井筒 ...............................................................................................................................274.2.2 开拓巷道 .......................................................................................................................274.2.3 井底车场及硐室 ...........................................................................................................275 准备方式— 采区巷道布置 .......................................................................................................355.1 煤层地质特征 ......................................................................................................................355.1.1 采区位置 .......................................................................................................................355.1.2 采区煤层特征 ...............................................................................................................35
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