王村矿90万吨新井设计.doc
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- 王村矿 90 万吨新井 设计
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1、摘要 王村矿位于陕西省渭南市合阳县与澄城县的交界处,行政区辖属合阳县王村公社及澄城县庄头公社。井田地表平坦,煤层平缓,倾角为68,埋藏较深,黄土层覆盖厚,地质构造、水文地质条件简单,瓦斯含量小。所以,开采条件较简单。矿井设计生产能力为90万t/a,年工作日300天,日提升时间为14小时,工作面采用“三八”制循环作业方式,两班采煤一班准备,采掘平行作业。本井田采用主立井、副立井的开拓方式,上下山开采布置一个水平,由于主要可采5号煤层厚度平均为3m,煤层沿走向较稳定,所以采用单一走向长壁综采一次采全高的采煤方法。主运输采用架线式电机车牵引的底卸式矿车运煤,主井采用箕斗提升,副井采用罐笼提升。同时,
2、对井田通风系统、排水系统、供电系统等进行了详细设计。本设计系统简单,地面布置简化,井下开拓部署优化,采用国内外先进技术和设备,从而会把王村矿建成一个技术先进、经济效益显著的现代化矿井。关键词 王村矿; 5号煤层;单一走向长壁综采一次采全高;煤矿开采;矿井设计; 井田开拓Abstravt: WangCun colliery is located Shanxi Province Weinan city Heyang County and Chengcheng Countys junction, the district is the Heyang County of wangcun peoples
3、 commune and the Chengcheng County of zhuangtou peoples commune. Coalfield surface smoothes, coal bed gentles, the inclination angle for6 - 8, buries deeply, the yellow soil layer covers thickly, geology structure and hydrology geology conditions simple, the gas content is small. Therefore, the mini
4、ng condition is more simpler.The capacity of the colliery is 900,000 t/a, the year working day is 300 days, the date promotion time is 14 hours, the working circulation systerm uses three terms one day, two terms cut coal and one term prepares, parallel operations.The mine development of the collier
5、y uses main shaft and auxiliary shaft, and arrange a main level to descend a mountain. Because the average thickness of the 5th seam is 3m, and the seam is more stabler along the trend, therefore uses the method of the sole trend longwall synthesis mechanization to mine the whole height one time. Th
6、e host transportation uses electric locomotive to tow bottom-dump the ore vehicle to transport coal, the main shaft uses skips to promote, auxiliary shaft uses cages to promote. At the same time, to the coalfield ventilation system, the drainage system, the electrical power supply system and so on h
7、as carried on the detailed design.This design system simples, the ground arrangement simplifies, the underground development optimizes, uses the domestic and foreign advanced technologies and the equipment, thus WangCun colliery can be constructed for a modern mine of technological advance and the e
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