祁东煤矿1.2Mta新井设计.docx

1、摘 要本设计包括三部分：一般部分、专题部分和翻译部分。一般部分为祁东煤矿1.2 Mt/a新井设计，共分十章：矿井概述及井田地质特征，井田境界和储量，矿井工作制度、设计生产能力及服务年限，井田开拓，采区巷道布置，采煤方法，井下运输，矿井提升，矿井通风及矿井基本技术经济指标。位于安徽省宿州市东南，距离市中心20km。矿区对外交通便利。区内地势较为平坦，井田走向长度约9 km，倾斜方向长约4 km。面积为23.16 km2。井田主采煤层为 煤层，厚度平均为4.70 m。煤层倾角平均为14，属于缓斜煤层。井田工业储量为157.6 Mt，矿井可采储量92.4 Mt。矿井服务年限为55 a，矿井正常涌水量

2、为437.06，最大涌水量为586.10。矿井为高瓦斯矿井,矿井是突出矿井。祁东煤矿矿井工作制度为“三八”制，一个综采工作面保产。开拓方式为立井暗斜井延伸两水平，水平标高分别为-650 m，-900 m，准备方式为采区巷道布置。矿井主井采用箕斗提煤，副井采用罐笼作为辅助提升。工作面采用长壁采煤法，面长180 m，采煤工艺为综采。矿井主运输为胶带运输，辅助运输采用架线电机车牵引1.5 t固定式矿车运输。矿井通风采用采区式通风。针对南二采区采用了采区准备方式，共划分11个区段工作面，并进行了运煤、通风、运料、排矸、供电系统设计。专题部分题目是煤矿深井巷道矿压显现及其控制研究。论文以相关工程测试结合

3、目前理论研究，进行了详实的矿压显现观测数据收集与整理，给出了深井软岩巷道的变形收敛规律，结合规律提出了控制的建议，对矿井生产实践具有显著的指导意义。翻译部分对压力拱理论结合回采率进行房柱式开采中计算支柱荷载进行了介绍，其英文题目为Coal pillar load calculation by pressure arch theory and near field extraction ratio。关键词：祁东矿井；双立井；采区布置；综采大采高；采区式；软岩巷道；矿压显现AbstractThis design contains three parts:the general part,the s

4、pecial part and the translated part. The general part is a new design of Qi Dong coal mine located in southeast of Suzhou whose production capacity is 1.2 Mt per year.It has ten chapters as follows:the outline of mine and mine field geology, boundary and reserves, working system and productive capac

5、ity and service life, development method of the mine, the main roadways, coal mining method and layout or roadways in working area,transportation of underground, mine lifting, mine ventilation and safety, main techniqueeconomic induces.The QI Dong mine filed lies in the north of J southeast of Suzho

6、u about 20 kilometers.The transportation is convenient and.It covers 23.16 square kilometers. The boundary of the minefield run 9 kilometers on the strike and the pitch length is 4 kilometers. Three is the main coal seam,its dip angle is 14 degree and thickness is about 4.70m on average.The proved r

7、eserves of the minefield are 157.6 million tons,and the recoverable reserves are 92.4 million tons. The designed productive capacity is 1.2 million tons percent year, and the service life of the mine is 55 years. The normal flow of the mine is 437.06m3 percent hour and the max flow of the mine is 58

8、6.10m3 percent hour. The mineral well gas gushes is high, It is a high gas mineral well. The working system is “three-eight”.One productive place meets the requirement. The mode of development this design uses a duel-vertical shaft and inclined shaft two-level development method. The mine has two le

9、vels, the first level locates in the level of 650 meters, the second in the level of 900 meters.The main shaft uses skip hoisting and the auxiliary shaft adopts cage hoisting. The working face adopts long wall retreating to the strike.Its length is 180 meters.The technology of the working face is th

10、e full-mechanized mining.Belt Conveyor to transit coal is used chiefly to transport coal, the auxiliary transportation uses 1.5t solid car. Districts ventilation is used for Xu Chang coal mine.The design applies strip preparation against the first district of South Two which divided into 11 district

11、s totally, and conducted coal conveyance, ventilation, gangue conveyance and electricity designing.The monographic study entitled Pressure behavior and control of deep mine , with the theoretical research related engineering test, conducted a detailed pressure observation data collection and process

12、ing, gave the deformation and convergence law of soft rock roadway,with law we can recommend some control measures which really have a important influence. The english topic of translation part is Coal pillar load calculation by pressure arch theory and near field extraction ratio.Keywords:Qidong co

13、al mine; double vertical shaft; district mode; full-height coal caving; districts ventilation; soft rock roadway; pressure observatin目 录一般部分1 矿区概述及井田地质特征11.1 矿区概述1 1.1.1 交通位置11.1.2 河流11.1.3 矿区气候条件11.1.4 工农业生产情况11.2 井田地质特征21.2.1 井田地形及煤系地层概述21.2.2 井田地质构造3 1.2.3 井田水文地质41.3 井田煤层特征81.3.1 煤层埋藏条件及围岩性质81.3.

14、2 煤层特征82 井田境界与储量102.1 井田境界10 2.1.1 井田境界划分的原则102.1.2 井田境界102.2 矿井工业储量112.2.1 井田勘探类型112.2.2 矿井工业储量的计算及储量等级的圈定112.3 矿井可采储量112.3.1 计算可采储量时，必须要考虑以下储量损失112.3.2 各种煤柱损失计算123 矿井工作制度、设计生产能力及服务年限153.1 矿井工作制度153.2 矿井设计生产能力及服务年限15 3.2.1 确定依据153.2.2 矿井设计生产能力153.2.3 矿井服务年限153.3 井型校核164 井田开拓174.1 井田开拓的基本问题174.1.1 影

15、响井田开拓的主要因素174.1.2 井筒形式、数目的确定174.1.3 工业广场的位置、形状和面积的确定184.1.4 开采水平的确定194.1.5 井底车场和运输大巷的布置194.1.6 矿井开拓延伸及深部开拓方案194.1.7 开采顺序194.1.8 方案比较204.2 矿井基本巷道284.2.1 井筒284.2.2 井底车场314.2.3 主要开拓巷道335 采区巷道布置365.1 煤层的地质特征365.1.1 首采区煤层特征365.1.2 顶底板特征365.1.3 水文地质365.1.4 地表情况365.2 采区巷道布置及生产系统365.2.1 采区位置及范围365.2.2 采煤方法及工作面长度的确定375.2.3 确定采区各种巷道的尺寸、支护方式及通风方式375.2.4 煤柱尺寸的确定375.2.5 采区巷道的联络方式375.2.6 采区接替顺序375.2.7 采区生产系统385.2.8 采区内巷道掘进方法385.2.9 采区生产能力及采出率395.3 采区车场选型设计405.3.1 确定采区车场形式405.3.2 采区主要硐室布置416 采煤方法436.1 采煤工艺方式436.1.1 采煤方法的选择436.1.2 确定