司马矿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。一般部分为潞安司马矿2.4Mt/a新井设计。司马矿位于山西省长治市西南部，区内交通十分便利。井田东西走向长4.175.90km，南北倾向宽3.105.95km，井田面积约29.494km2。井田内可采煤层共有3层，主采煤层为3号煤层，煤倾角在08之间，平均厚度6.62m。矿井工业储量为249.64Mt，可采储量为234.45Mt，设计服务年限69.8a。矿井正常涌水量为220m3/h，最大涌水量为300m3/h。矿井相对瓦斯涌出量为0.67m3/t，绝对瓦斯涌出量为1.74m3/min，属低瓦斯矿井。煤层无自然发火倾向，但煤尘有爆炸危险性

2、。根据井田地质条件，提出四个技术上可行的开拓方案。方案一：立井单水平开拓中央并列式通风（煤层巷道）；方案二：立井单水平开拓中央并列式通风（岩层巷道）；方案三：立井单水平开拓两翼对角式通风（煤层巷道）；方案四：立井单水平开拓两翼对角式通风（岩层巷道）。通过粗略和详细技术经济比较，最终确定方案一为最优方案。一水平标高+690m，。整个井田划分为3个带区和1个盘区。考虑到井田东西走向较长，矿井生产前期采用中央并列式通风方式，后期根据需要在井田东西两翼增加两个边界回风井。矿井采用带区式准备方式，工作面设计长度250m，采用综合机械化放顶煤采煤工艺。矿井年工作日为330d，昼夜净提升时间为16h。矿井采

3、用“三八”制工作制度，两班生产，一班检修。矿井煤炭采用胶带输送机运输，辅助运输采用蓄电池式电机车牵引固定箱式矿车。主井采用两对12t底卸式箕斗提煤，副井采用一对1.5t矿车双层四车加宽罐笼运送物料和升降人员。专题部分题目为：采煤工作面如何快速过断层分析。主要分析了司马矿在通过断层方便的一些经验和成效。翻译部分主要内容是关于采矿对煤层底板断层活化影响的数值模拟的研究，英文题目为：Numerical Simulation of Coal Floor Fault Activation Influenced by Mining。关键词：采矿;断层活化;模拟ABSTRACTThe general des

4、ign is about a 2.40 Mt/a new underground mine design of sima coal mine. Sima coal mine is located in Changzhi, Shanxi province. Its about 4.175.90km on the strike and 3.105.95 km on the dip, with the 24.949 km2 total horizontal area. The minable coal seam is 3# with an average thickness of 6.62 m an

5、d an average dip of 3.8. The proved reserves of this coal mine are 249.64 Mt and the minable reserves are 234.45 Mt, with a mine life of 69.8 a. The normal mine inflow is 220 m3/h and the maximum mine inflow is 300 m3/h. The mine gas emission rate is 0.67 m3/t which can be recognized as low gas mine

6、. Based on the geological condition of the mine, this design uses a duel-vertical shaft single-level development method, and full strip preparation ,which divided into eight bands and two districts, and track roadway, belt conveyor roadway and return airway are all rock roadways, arranged in the flo

7、or rock of 3# coal seam. Taking into account of the high gas emission, mine ventilation method use two diagonal wings ventilation, and excaves bottom gas drainage roadway before mining to relief gas pressure in advance.The design applies strip preparation against the first band of East One which div

8、ided into 4 stirps totally, and conducted coal conveyance, ventilation, gangue conveyance and electricity designing.The design conducted coal mining technology design against the 3101 face. The coal seam average thickness of this working face is 6.62 m and the average dip is 3.8, the immediate roof

9、is mud stone and the main roof is sand stone. The working face applies fully mechanized longwall full-height coal caving method, and uses double drum shearer cutting coal which cuts twice each working cycle. Three-Eight working system has been used in this design and the depth-web is 0.8 m with six

10、working cycles per day, and the advance of a working cycle is 4.8 m and the advance is 144 m per month.Main roadway makes use of belt conveyor to transport coal resource, and battery locomotive to be assistant transport. The main shaft uses double 12 t skips to lift coal with a balance hammer and th

11、e auxiliary shaft uses a twins narrow1.5 t four-car double-deck cage and a wide 1.5t four-car double-deck cage to lift material and personnel transportation.The monographic study entitled Case Study and Research of Deep Soft Rock Pressure Observation, the study took bottom gas drainage Roadway of Si

12、ma Mine as an example, conducted a detailed pressure observation data collection and processing, gave the deformation and convergence law of soft rock roadway, which had significant guidance for practical mine production. The title of the translated academic paper is Numerical Simulation of Coal Flo

13、or Fault Activation Influenced by Mining .Keywords: double vertical shaft; band mode; full-height coal caving; two diagonal wings ventilation; soft rock roadway; pressure observation目 录摘 要1ABSTRACT21 矿区概述及井田地质特征11.1矿区概述11.1.1井田位置及交通11.1.2矿区工农业生产概况11.1.3井田开发情况11.1.4电源、水源情况11.1.5场地征地情况11.1.6主要建筑材料供应情况

14、31.1.7煤炭运销情况31.1.8气象与地震情况31.1.9地形、地势及河流31.2井田地质特征41.2.1地质构造41.2.2井巷涌水情况91.3煤层特征111.3.1煤层111.3.2煤质简述131.3.3瓦斯、煤尘、煤的自燃性和地温142 井田境界和储量172.1井田境界172.1.1井田境界172.2矿井工业储量172.2.1井田勘探情况172.2.2矿井工业储量计算182.3矿井可采储量212.3.1概述212.3.2设计储量计算212.3.3矿井设计可采储量计算223 矿井工作制度、设计生产能力及服务年限233.1矿井工作制度233.2矿井设计生产能力及服务年限233.2.1矿井

15、设计生产能力确定依据233.2.2矿井设计生产能力及服务年限234 井田开拓254.1井田开拓的基本问题254.1.1确定井筒形式、数目、位置254.1.2工业场地的位置264.1.3开采水平的确定及采盘区划分264.1.4主要开拓巷道274.1.5方案比较274.2矿井基本巷道314.2.1井筒314.2.2井底车场及硐室314.2.3主要开拓巷道365 准备方式-带区巷道布置405.1煤层地质特征405.1.1带区位置405.1.2带区煤层特征405.1.3煤层顶底板岩石构造情况405.1.4水文地质405.1.5地质构造405.2带区巷道布置及生产系统405.2.1带区准备方式的确定405.2.2带区巷道布置415.2.3带区生产系统425.2.4带区内巷道掘进方法435.2.5带区生产能力及采出率445.3带区车场选型设计456 采煤方法466.1采煤工艺方式466.1.1带区煤层特征及地质条件466.1.2确定采煤工艺方式466.1.3回采工作面参数476.1.4综采工作面的设备选型及配套476.1.5回采工作面破煤、装煤方式516.1.6回采工作面支护方式526.1.7端头支护及超前支护方式556.1.8