范各庄矿2.4Mta新井设计.docx

1、摘 要本设计包括三个部分：一般部分、专题部分和翻译部分。一般部分共包括10章：1.矿区概述及井田地质特征；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-采区巷道布置；6.采煤方法；7.井下运输；8.矿井提升；9.矿井通风；10.矿井基本技术经济指标。一般部分为开滦范各庄矿2.4Mt/a新井设计。开滦范各庄矿位于河北省唐山市东北部，交通便利。井田走向（南北）长约6.87km，倾向（东西）长约3.62km，井田总面积为20.79km2。主采煤层为11号煤、12号煤，平均倾角为12，煤层平均总厚为10.39m。井田地质条件较为简单。井田工业储量为313Mt

2、，矿井可采储量216Mt。矿井服务年限为69.5a，矿井正常涌水量为249m3/h，最大涌水量为563m3/h。矿井瓦斯涌出量较低，为低瓦斯矿井。井田划分为三水平，第一水平标高为-350m，第二水平标高为-550m，第三水平标高为-800m，双立井开拓，主井装备箕斗，副井装备罐笼。大巷采用胶带输送机运煤，辅助运输采用1.5t厢式矿车运输。矿井通风方式为两翼对角式通风。矿井年工作日为330d，工作制度为“三八”制。专题部分题目为：煤矿瓦斯事故预防技术研究。翻译部分题目为：Optimization of soft rock engineering with particular reference

3、 to coal mining关键词： 新井设计； 井田开拓； 采煤方法； 锚杆支护ABSTRACTThis design consists of three parts: the general part, the special part and translated part.This design 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、 4.development engineering of coalfield; 5.The layout of panels; 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.The general part is a new design of

5、fangezhuang mine. fangezhuang mine lines in Northeast of Tangshan in HeBei province. The traffic of road and railway is very convenience to the mine. The geological structure of this area is simple. The Length of the minefield is 6.87 km ,the width is about 3.62km，the area is 20.792.The 11 and 12 is

6、 the main coal seam, and its dip angle is 12 degree. The thickness of the mine is about 10.39m in all. The proved reserves of the minefield are 313million tons. The recoverable reserves are 216 million tons. The designed productive capacity is 24 million tons percent year, and the service life of th

7、e mine is 69.5 years. The normal flow of the mine is 249m3 percent hour and the max flow of the mine is 563m3 percent hour, and the gas of the mine is low gaseous mine.The field has been divided three mining levels. The first level should be located at the lever of -350m, which use raise and dip min

8、ing method of vertical shaft development .The second level should be located at the level of -550 meters , The three level should be located at the level of -800 meters According to the condition. The main shaft skip install skip and the auxiliary shaft install cage. Roadway use belt conveyor to tra

9、nsport coal, the use of auxiliary transport Renovation of 1.5t Van tub transport. The two wings opposite angles ventilation system is used in the mine. The working system “three-eight” is used in the Kailuan mine. It produced 330d/a.Special section entitled: coal mine gas prevention technology.Trans

10、lated part of the title is: Optimization of soft rock engineering with particular reference to coal miningKeywords : New Well Design; Mine development; Mining method; Suspension roof support 目 录一般设计部分1 矿区概述及井田地质特征11.1矿区概述11.1.1井田位置、范围和交通位置11.1.2地形地貌11.1.3河流水系21.1.4矿区的气候条件21.1.5水源、电源21.1.6工农业生产和原料21.

11、2井田地质特征21.2.1煤系地层概述、勘探程度21.2.2井田地质构造41.2.3井田水文地质特征41.2.4地温41.3煤层及煤质41.3.1煤层特征41.3.2可采煤层特征51.3.3煤层围岩性质61.3.4煤的特征82 井田境界和储量112.1井田境界112.1.1井田边界112.1.2井田范围112.2矿井储量112.2.1钻探工程量122.2.2工业储量计算122.3矿井可采储量132.3.1煤柱的留设132.3.2可采储量计算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163.1.1矿井工作制度的确定163.1.2矿井每昼夜净提升小时数的确定163.2矿井设

12、计生产能力及服务年限163.2.1确定依据163.2.2矿井生产能力的确定163.2.3矿井及第一水平服务年限的核算164 井田开拓184.1井田开拓的基本问题184.1.1井筒形式及数目的确定184.1.2井筒位置的确定184.1.3工业场地位置、形式和面积194.1.4开采水平的确定194.2矿井基本巷道314.2.1井筒314.2.2井底车场324.3主要开拓巷道334.3.1主要开拓巷道334.3.2巷道的支护方式345 准备方式-采区巷道布置425.1煤层的地质特征425.1.1煤层埋藏条件425.1.2煤质与地质情况425.2采区巷道布置及生产系统435.2.1采区数目及位置435

13、.2.2采区走向长度的确定435.2.3煤柱尺寸的确定435.2.4采区上山布置445.2.5区段平巷的布置445.2.6采区内工作面的接替顺序445.2.7采区生产系统445.2.8巷道掘进455.2.9采区生产能力455.2.10采区采出率455.3采区车场选型465.3.1采区上部车场选型465.3.2采区中部车场选型465.3.3采区下部车场选型465.3.4采区主要硐室486 采煤方法506.1采煤工艺方式506.1.1采煤工艺的确定506.1.2机械化程度506.1.3确定回采工作面长度、工作面推进方向和推进度516.1.4采煤工艺及设备516.1.5端头支护及超前支护方式536.

14、1.6采煤工艺546.1.7各工艺过程安全注意事项576.1.8工作面劳动组织和作业循环图表586.1.9主要技术经济指标596.2回采巷道布置606.2.1确定回采巷道布置形式606.2.2回采巷道支护607 井下运输627.1概述627.1.1井下运输设计的原始条件和数据627.1.2井下运输系统627.2采区运输设备选择627.2.1设备选型原则：627.2.2运输设备的运输能力验算647.3采区绞车的运输能力验算657.3.1绞车运输能力验算657.4大巷运输设备选择687.5 辅助运输大巷设备选择688 矿井提升708.1概述708.2主副井提升709 矿井通风及安全729.1矿井通

15、风系统选择729.1.1矿井概况729.1.2选择矿井通风系统原则729.1.3确定矿井的通风方式739.1.4通风方法的确定769.1.5 采区通风769.1.6工作面通风系统779.1.7矿井通风网络799.1.8通风系统立体图与网络图799.2矿井风量计算849.2.1回采面所需风量的计算849.2.2掘进工作面需风量859.2.3硐室需风量869.2.4其它巷道所需风量Qd869.2.5矿井总风量及其分配879.3矿井通风阻力计算889.3.1矿井通风阻力889.3.2矿井总风阻、等级孔计算919.4矿井主要通风机选型929.4.1矿井自然风压929.4.2主要通风机选型939.4.3电动机选型949.4.4矿井主要通风设备的配置及要求959.5防止特殊灾害时期的安全措施979