煤矿3.0Mta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。一般部分为祁煤矿3.0 Mt/a新井设计。一般部分共包括10章：1.矿区概况与井田地质特征；2.井田境界和储量；3.矿井工作制度和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.矿井通风及安全；10. 矿井基本技术经济指标。祁东煤矿位于安徽省宿州市东南，京沪铁路西侧，井田中心距宿州市约20km，交通便利。井田形状近似长方形，东西长约9 km，南北宽约3.0 km，面积约24 km2。井田内开采61煤层和71煤层，先采61，做为解放层开采，后开采71煤。煤层倾角1215，平均12

2、、3。煤层平均厚度61煤层7.5 m，71煤7.0 m。井田地质条件较为简单。矿井工业储量为330.2297Mt，可采储量为220.6853Mt。矿井设计生产能力为3.0Mt/a。矿井服务年限61.3 a。矿井涌水量不大，正常涌水量为436m3/h，最大涌水量为586 m3/h。61煤相对瓦斯涌出量为10 m3/t，属高瓦斯煤层。矿井煤尘无爆炸危险性，煤层不易自燃，自然发火等级为级。矿井采用暗斜井两水平开拓，下行开采。一矿一面，采煤方法为综合机械化放顶煤开采。全矿采用胶带运输机运煤，辅助运输前期采用1.5 t固定箱矿车，后期采用齿轨车运输。矿井通风方式前后期均为为采区式通风。矿井年工作日为33

3、0 d，日净提升时间16 h，工作制度为“四六制”。专题部分题目是煤炭地下气化开采技术基础研究。以一些煤矿工程实例为例，通过建立模型进行分析计算，研究了煤炭地下气化过程中顶板岩层移动特征、煤炭地下气化过程中半焦孔隙结构的变化规律以及煤炭地下气化过程中覆岩应力场的数值，得出关于以上三方面的相关结论。翻译部分是一篇关于煤层气恢复技术的论文，英文题目为Simulation of CO2-geosequestration enhanced coal bed methane recovery with a deformation-flow coupled model关键词：新井设计；综合机械化放顶煤开采

4、;采区式通风；立井开拓；采区ABSTRACTThis design includes three parts: the general part, special subject part and translation part.The general part is a new design of Qidong mine. 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

5、working system of mine; 4.Development engineering of coalfield; 5.The layout of mining area; 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 Qidon

6、g mine locates at the crosspart of Qixian, Xisipo and Guzhen of Suzhou in Anhui province, 20 km away from the center of the town. And the transportation is very convenience. The shape of minefield is like a rectangle which has a length of 9 km in the east and west and a width of 3 km in the south an

7、d north on average. The total plane area of the mine is about 24 km2. There are two coal seams in the mine NO.61 and NO. 71. Mining the NO.61 coal seam firstly.The angle is about 9.0513.8 degree with an average of 12 and the thickness of both coal seams is about 7.0 m. The minefield geological condi

8、tion is simple.The proved reserves of the minefield are 330.2297 million tons. The recoverable reserves are 220.6853 million tons. The designed productive capacity is 3.0 million tons per year. The service life is 61.3 years. The normal water flow of the mine is 437 m3 per hour and the max water flo

9、w is 586 m3 per hour. The Relative gas discharge quantity is 10 m3 per ton, whichmeans it is a high gaseous mine. The coal seam is hardly spontaneous combustion and the level of spontaneous combustion is . Apart from coal without gas, the coal seam is of high explosion hazard.The development of the

10、mine is double levels with vertical shaft at the first level and inclind shaft at the second level. The number of the working faces is only one. The mining method is Comprehensive mechanization with putting off the top coal technology. Several belt conveyers undertake the job of coal transport in th

11、e mine and the auxiliary transportation system is centralized juxtapose. The ventilation method is diagonal ventilation system.The working days in a year are 330. Everyday it takes 16 hours in lifting the coal. The working system in the mine is “four-six”.The title of the special subject part is “Un

12、derground Coal Gasification in mining technology basic research”. By some examples of coal mine project, analyzed and calculated by modeling, Study the mobility characteristics of the roof strata in underground coal gasification process, the variation of the semi-coke pore structure in the process o

13、f underground coal gasification and underground coal gasification process in the overburden rock stress field value, conclusions drawn on these three aspects wind stress, the evolution of deformation is obtained when the dual roadway deformation, Deputy Lane by the basic law of mining and the left p

14、illar set a reasonable size, with similar conditions Roadway reference.The translated academic paper is about classification technique for danger classes of coal and gas outburst in deep coal mines. Its title is “Simulation of CO2-geosequestration enhanced coal bed methane recovery with a deformatio

15、n-flow coupled model”.Keywords: design of mine; fully mechanized mining with top coal caving technology；Mining area ventilation；vertical shaft development；mining distr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 矿区地理位置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31.2.3井田水文地质41.3井

16、田煤层特征71.3.1煤层特征82 井田境界与储量102.1井田境界102.1.1井田境界划分的原则102.1.2井田境界102.2矿井工业储量102.2.1井田勘探类型102.2.2矿井工业储量的计算及储量等级的圈定102.3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112.3.3井田的可采储量133 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154 井田开拓174.1井田开拓的基本问题174.1.1影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194.1.4开采水平的确定194.1.5井底车场和运输大巷的布