大柳塔二矿5.0Mta新井设计.doc
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- 大柳塔二矿 5.0 Mta 设计
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1、摘要大柳塔井田位于陕西省神木县城西北,直距约52.5Km的乌兰木伦河东侧。井田东西长10.513.9Km,南北宽9.110.5Km,总面积126.8 Km2,煤层倾角在1左右,无大断层,地质条件好。本区交通堪称便利,具体线路如下:包神铁路、神朔铁路、神延铁路,包府公路、神榆公路等。基于大柳塔井田良好的地质条件及交通条件,本设计旨在设计一座年产5.0Mt的新型矿井。煤层埋藏较浅,采用斜井和平硐混合的开拓方式。在第一个水平打三条大巷,分别是回风大巷,主运大巷,辅运大巷。留设好保护煤柱后,在大巷一侧直接拉工作面。本区适合大型机械化作业,采用综合机械化后退式长壁采煤法。此新型矿井的特色在于斜硐矿井开拓
2、,取消了井底车场,无轨胶轮车辅助运输,矿井无盘区布置,增大工作面参数等。通过对矿井的生产系统及经济技术指标的描述,进一步了解井田开拓设计内容的丰富性。关键词:井田位置;地质条件;开拓方式;生产系统;新井特色AbstractDaliuta minefield located at northwest of Shenmu county, Shanxi province, 52.5 km apart from the east of Wulanmulun river. The minefield is 10.513.9 km from east to west, 9.110.5 km from so
3、uth to north, and its total area is 126.8 km2. The dip of the coalseam is about 1, without big fault, so its geology condition is good. The traffic of this area is convenient, while the concrete paths are as follows: Baoshen railway, Based on the good condition of traffic and geology of Daliuta mine
4、field, this design is aimed at designing a new mine of 5.0Mt/a. As the coalseams burry shallow, slope and adit mixd development system is used. Three main roadway are developed at the first level, there are main return air roadway, main transport roadway, auxiliary transport roadway. After fencing p
5、illar, working face is directly pulled at one side of a mian roadway. While this area is suitable for fully mechanized technology, longwall retreating of fully mechanized coal winning technology is used.The character of this new mine lies at inclined adit development, canceling pit bottom, trackless
6、 rubber tire vehicle subsidiary transport, mine layouting without panel, enlarge the parameters of working face and so on. According to the description of the production system and economic and technical norms, better knowledge of the abundant content of mine development designing will be got.Key wo
7、rds: filed position; geology condition; development method; producting system; new mine character目录前言11 矿区概述及井田特征21.1 矿区概述21.2 井田及其附近的地质特征41.3 矿层质量与矿层特征72 井田境界及储量82.1 井田境界82.2 井田储量93 矿井设计生产能力及服务年限及一般工作制度133.1 矿井年产量及服务年限133.2 矿井的一般工作制度144 井田开拓154.1 井筒形式、位置和数目的确定154.2 开采水平的设计214.3 工作面划分及开采顺序264.4 开采水平
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