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综采工作面沿空掘巷技术浅析.rar

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    编 号 : ( ) 字 号本 科 生 毕 业 设 计 ( 论 文 )题目: 济宁三号煤矿 8.0Mt/a 新井设计 综采工作面沿空掘巷技术浅析 姓名: 崔 斌 学号: 01080135 班级: 采矿工程 2008-5 班 二 〇 一 二 年 六 月中 国 矿 业 大 学本 科 生 毕 业 设 计姓 名: 崔 斌 学 号: 01080036 学 院: 矿业工程学院 专 业: 采矿工程 设计题目: 济宁三号煤矿 8.0 Mt/a 新井设计 专 题: 综采工作面沿空掘巷技术浅析 指导教师: 王旭锋 职 称: 副教授 2012 年 6 月 徐州中国矿业大学毕业设计任务书学院 矿业工程学院 专业年级 采矿工程 2008 级 学生姓名 崔 斌 任 务 下 达 日 期 : 2012 年 1 月 8 日毕业设计日期:2012 年 3 月 12 日 至 2012 年 6 月 8 日毕业设计题目: 济宁三号煤矿 8.0 Mt/a 新井设计毕业设计专题题目: 综采工作面沿空掘巷技术浅析毕业设计主要内容和要求:以实习矿井济宁三号煤矿条件为基础,完成济宁三号煤矿 8.0Mt/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。结合煤矿生产前沿及矿井设计情况,撰写一篇关于综采工作面沿空掘巷技术的专题论文。完成 2011 年《International Journal of Coal Geology》上与采矿有关的科技论文翻译一篇,题目为“Simulation Of An Enhanced Gas Recovery Field Trial For Coal Mine Gas Management”,论文 7993 字符。院长签字: 指导教师签字:中国矿业大学毕业设计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设计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: 指导教师签字: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:一般部分、专题部分和翻译部分。一般部分为济宁三号煤矿 8.0Mt/a 新井设计,共包括 10 章:1、矿区概述与地质特征;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。济宁三号煤矿位于山东省济宁市境内,交通便利。井田走向(南北)长约 9.5km,倾向(东西)长约 10.5km,总面积为 100km2。可采煤层为三 上 、三 下 、16 上 和 17 煤层,主采三 下煤层,煤层倾角为 3~8 ,可采范围内平均厚度为 5.26m。井田地质条件较为简单。井田工业储量为 1265.80Mt,可采储量为 854.12Mt。矿井设计生产能力为 8.0Mt/a。矿井服务年限为 82.0a,涌水量不大,矿井正常涌水量为 303m3/h,最大涌水量为 478m3/h。矿井瓦斯涌出量低,为低瓦斯矿井,煤层易自燃,煤尘易爆炸。根据井田地质条件,提出四个技术上可行的开拓,通过技术经济比较,选择立井两水平分区域开拓作为井田的开拓方式。矿井东区和西区布置两个 4.0Mt/a 的采煤工作面。设计首采区采用盘区准备方式,工作面长度 250m,采用综合机械化一次采全高采煤法,全部跨落法处理采空区。矿井年工作日为 330d,每天净提升时间为 16h,工作制度为“三八”制,两班生产,一班检修,生产班每班 4 个循环,日进 8 个循环,矿井日产煤 23676.64t。采用胶带输送机运煤,无轨脚轮车辅助运输。主井装备两套带平衡锤的 25t 双箕斗提煤,副井装备一个双层四车罐笼和双层带平衡锤宽罐笼担负辅助运输任务。矿井通风方式为分区式通风,矿井通风容易。专题部分题目是综采工作面沿空掘巷技术浅析,主要研究分析了国内外沿空掘巷技术的研究现状,基于沿空掘巷矿压显现及覆岩移动规律和巷道锚网支护机理提出了合理的沿空掘巷围岩控制原则及沿空掘巷围岩控制的大小结构模型,对综采工作面沿空留巷技术做了全面的陈述。翻译部分主要内容是关于煤矿瓦斯管理的模拟气体回收试验方面的研究,英文题目为:Simulation of an enhanced gas recovery field trial for coal mine gas management。关键词:立井;两水平;分区域开拓;盘区;分区式通风ABSTRACTThe three parts are included in this design, i.e., the general part, special subject part and translated part.The general part is a new design of 8.0 Mt/a for Jining No.3 mine,it includes ten chapters: 1.An outline of the mine field geology; 2.Boundary and the reserves of mine; 3.The service life and working system of mine; 4.development engineering of coalfield; 5.The layout of panelen; 6. The method used in coal mining; 7. Transportation of the underground; 8.The lifting of the mine; 9. The ventilation and the safety operation of the mine; 10.The basic economic and technical norms.Jining No.3 mine lines in West of Jining city in Shangdong province. The traffic of road and railway is very convenience to the mine. The run of the minefield is 9.5km,the width is about 10.5km,well farmland total area is 100 km2.There are four coal seams be mined in the mining . The three is the main coal seam, and its dip angle is 2 to 8 degree. The thickness of the seam is about 5.26m. Geologic structure of coalfield is simple.The proved reserves of the minefield are 1265.80 million tons,and the recoverable reserves are 854.12 million tons. The designed productive capacity is 8.0 million tons percent year, and the service life of the mine is 82.0 years. The normal flow of the mine is 303m3 percent hour and the max flow of the mine is 478 m3 percent hour. The mineral well gas gushes is lower, It is a low gas mineral well. Coal seams are liable to spontaneous combustion and coal dust explosives.According to the geological conditions, put forward four technically feasible development plan. Through the technical and economic comparison,determine plan is Shaft two level Sub-regional. The roadway is layouted of in the seam floor. There are two 4.0Mt / a mining face layouted of in the East and West.The design apply panelen preparation against the first band , the length of working face is 250m,use fully mechanized coal mining at all height to exploit coal,fall to dispose worked out section.In the mine,It produced 330 d/a. and use “three-eight” working system.Two class production, One class examine and repair, with 8 working cycles per day,daily production is 11838.32t.Main roadway makes use of belt conveyor to transport coal resource, and trackless vehicles to be assistant transport. The main shaft uses double 25 t skips to lift coal with a balance hammer and the auxiliary shaft uses a twins four-car double-deck cage to lift material and personnel transportation.The mine ventilation mode is partition ventilation , and it is easy to mine ventilation.The topic of special subject parts is the analysis of along goaf roadway technology in mechanized mining face. .Aimed at along goaf roadway technology,a mechanical model was creatd based on the analysis of mine pressure and movement rules of overburden rock appeared during the application,and a reasonable surrounding rock control principle was put forward.Furthermore,by referencing the successful application engineering example of along goaf roadway technology, the main technique method in surrounding rock control was given with a fully comprehensive statement of along goaf roadway technology in mechanized mining face.Translation part title is simulation of an enhanced gas recovery field trial for coal mine gas management.Key words:Vertical well; Two levels; Areas development; Panelen;Geographical ventilation第 I 页目 录一般部分1 矿区概述及井田地质特征 .......................................................................................................11.1 矿区概述 ............................................................................................................................11.1.1 地理位置 .....................................................................................................................11.1.2 地形特点 .....................................................................................................................11.1.3 交通条件 .....................................................................................................................11.1.4 气候条件 .....................................................................................................................21.1.5 水文情况 .....................................................................................................................21.2 井田地质特征 ....................................................................................................................21.2.1 井田地形 .....................................................................................................................21.2.2 煤系地层 .....................................................................................................................21.2.2 井田地质构造 .............................................................................................................41.2.3 井田水文地质特征 .....................................................................................................61.3 煤层 ....................................................................................................................................71.3.1 煤层特征 .....................................................................................................................71.3.2 煤层围岩性质 .............................................................................................................71.3.3 煤的物理性质 .............................................................................................................81.3.4 宏观煤特性 .................................................................................................................81.3.5 煤的元素分析和工艺性能 .........................................................................................81.3.6 瓦斯、煤尘及自燃 .....................................................................................................92 井田边界和储量 .....................................................................................................................102.1 井田境界 ..........................................................................................................................102.1.1 井田范围 ...................................................................................................................102.1.2 开采界限 ...................................................................................................................102.1.3 井田尺寸 ...................................................................................................................102.2 井田工业储量 ..................................................................................................................112.2.1 储量计算基础 ...........................................................................................................112.2.2 井田勘探程度 ...........................................................................................................112.2.3 矿井工业储量计算 ...................................................................................................112.3 矿井可采储量 ..................................................................................................................132.3.1 安全煤柱留设原则 ...................................................................................................132.3.2 矿井永久保护煤柱损失 ...........................................................................................132.3.3 矿井设计储量 ...........................................................................................................172.3.4 井筒和工业场地保护煤柱损失 ...............................................................................182.3.5 主要井巷煤柱损失 ...................................................................................................192.3.6 矿井可采储量 ...........................................................................................................193 矿井工作制度、设计生产能力及服务年限 .........................................................................21
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