城郊矿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。一般部分为永煤集团城郊煤矿300万t/a新井设计。全篇共分为十个部分：矿井概况及井田地质特征、井田境界及储量、矿井工作制度、设计生产能力、井田开拓、矿井基本巷道、采煤方法、采区巷道布置、井下运输、矿井提升、矿井通风与安全和矿井主要经济技术指标。城郊矿位于河南省永城市境内。井田南北走向平均长约6.37km，东西平均宽11.334km，面积约60km2。 井田内可采煤层为二2煤，其赋存稳定，厚度平均为5.5，倾角平均约4，为缓倾斜煤层。井田内工业储量为4.6199亿t，可采储量为3.1099亿t。矿井平均涌水量为376 m3/h，井田中各煤层

2、沼气含量一般小于0.5cm3/g，属低沼气矿井。各煤层均无煤尘爆炸危险。各煤层均属不自燃发火煤层；地温2930。城郊煤矿年设计生产能力为300万t/a，服务年限为73.9年。采用立井开拓，暗立井延深的开拓方式。工作制度为“四六”制。第一水平标高为500m，第二水平标高为-700m。矿井采用倾斜长壁综合机械化采煤法，一次采全高。矿井布置一个综采工作面，面长180m。煤炭通过胶带输送机运输。矿井初期通风方式为中央并列式。专题部分：专题题目为“松动圈理论与支护技术研究”。主要分析了松动圈形成的原因，存在问题及解决办法，并从受力等方面对其进行了分析。翻译部分：翻译了一篇IEEE的矿业文献，题目为“基于

3、绿色开采系统及其应用的关键支护技术研究” 。关键词：立井；带区；中央并列式；一次采全高ABSTRACTThis design contains three parts: the general，the special subject and the translation.The general part is a new design of Chengjiao Mine in Yongcheng coal & electricity combine. The whole article is divided into ten parts: the outline of the mine, t

4、he mine field geology, the boundary and reserves, the designed productive capacity, the service life and working area, the coal transportation, the mine lifting, the ventilation and safety, and the main economical and technological index of the mine.The Chengjiao Mine field lies in Yongcheng in Hena

5、n province. The boundary of the mine field runs 6.37km from north to south and 11.334km from west to east on average. The total plane area of the mine is about 60km2. There is only one exploring layer-number two. Its average thickness of the seam is 5.5m and its stable and flatly inclined. Its dip a

6、ngle is 4 degree on average. The industry reserves of the mine field are 461.99 million tons and the useable reserves are 310.99 million tons. The average inflow rate in Chengjiao mine is 376m3/h. It is a lower gassy mine. The coal dust doesnt have explosion hazard as well as the self-combustion ten

7、dency. The productive capacity of Chengjiao Mine is 3.0 million tons per year，and the service life is 73.9years. The work system is 4-shift with a 6-hour workday. Therere two working levels in the mine. The first development level is located at the -500m, and the second is at the level of -700m. The

8、 comprehensive mechanized longwall caving method along the dip is used in Chengjiao Mine.There is only one working face in the mine. It is comprehensive mechanized coal face. The length of the face is 180m, and the designed productive capacity of the face is 3.0 million tons per year. Coal is transp

9、orted by belt conveyer and the diagonal ventilation system is used in Chengjiao.The title of special subject is “Zone theory and Supporting technology”.It mainly analyzes the reasons for the formation of loose circle ,problems and solutions to it, and analyses it from stress meanwhile. The translati

10、on part is an article from IEEE core journals, titled “Research on Key Support Technology Based on Green Mining System and Its Application”.Keywords：shaft ; strip district; centralized juxtapose ventilation；mining the full-height目 录一般部分1 矿区概况及井田地质情况11.1 矿区概述11.1.1 交通位置11.1.2地形、地貌21.1.3河流及水体21.1.4气象地

11、震21.1.5矿区经济概况21.1.6水源及电源21.2井田地质特征21.2.1井田地质构造21.2.2地层41.2.3水文地质51.2.4地质勘探程度91.3煤层特征101.3.1煤层101.3.2煤层顶、底板121.3.3煤质121.3.4瓦斯161.3.5煤尘161.3.6煤的自燃161.3.7地温162 井田境界和储量172.1井田境界172.1.1井田境界划分的原则172.1.2井田境界172.2可采煤层172.3井田尺寸172.4矿井储量182.4.1储量计算基础182.4.2安全煤柱留设原则182.4.3矿井地质储量192.4.4矿井工业资源储量202.4.5矿井设计储量202.

12、4.6矿井设计可采储量213 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矿井设计生产能力及服务年限确定依据233.2.2矿设计生产能力233.2.3矿井服务年限233.2.4井型校核244 井田开拓264.1井田开拓的基本问题264.1.1确定井筒形式、数目、位置及坐标264.1.2工业场地的位置274.1.3开采水平的确定274.1.4运输大巷和井底车场的布置284.1.5矿井开拓延伸方案及阶段划分284.1.6方案比较284.2 矿井基本巷道344.2.1井筒344.2.2井底车场及硐室374.2.3主要开拓巷道385带区巷

13、道布置435.1煤层地质特征435.1.1采区位置及范围435.1.2采区煤层特征435.1.3地质构造435.1.4顶底板特性435.1.5水文地质435.1.6地表情况435.2带区巷道布置及生产系统（见首采区巷道布置平剖面图）445.2.1带区准备方式的确定445.2.2生产系统445.2.3带区内巷道掘进455.2.4带区生产能力及采出率465.3带区车场及主要硐室475.3.1带区下部车场设计475.3.2带区主要硐室486 采煤方法496.1采煤工艺方式496.1.1带区煤层特征及地质条件496.1.2确定采煤工艺方式496.1.3回采工作面长度的确定496.1.4回采工作面的推进

14、方向和推进度506.1.5综采工作面的设备配套506.1.6回采工作面破煤、装煤方式506.1.7回采工作面支护方式526.1.8端头支护及超前支护方式546.1.9各工艺过程注意事项556.1.8回采工作面正规循环作业和工作面成本566.2回采巷道布置576.2.1回采巷道布置方式576.2.2回采巷道参数587 井下运输607.1概述607.1.1井下运输的原始条件和数据607.1.2井下运输系统607.2煤炭运输方式和设备选择607.3大巷运输设备选型627.3.1运煤设备627.3.2辅助运输设备选择638 矿井提升658.1矿井提升概述658.2主副井提升658.2.1主井提升658

15、.2.2副井提升679 矿井通风及安全699.1矿井通风系统选择699.1.1矿井概况699.1.2矿井通风系统的基本要求699.1.3矿井通风方式的确定699.1.4主要通风机工作方式选择709.1.5带区通风系统的要求719.1.6工作面通风方式的选择729.1.7回采工作面进回风巷道的布置729.1.8通风构筑物739.2矿井风量计算739.2.1采煤工作面实际需要风量739.2.2备用面需风量的计算759.2.3掘进工作面需风量759.2.3硐室需风量779.2.4其它巷道所需风量779.2.5矿井总风量计算779.3矿井风量分配789.3.1配风的原则和方法789.3.2配风的依据789.3.3风量分配799.4矿井通风总阻力计算809.4.1矿井通风总阻力计算原则809.4.2