西沟五矿4Mta新矿井设计.doc
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- 西沟五矿 Mta 矿井 设计
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1、 摘 要本设计是西沟五矿4Mt/a新井设计。煤田地质构造较简单,煤层全区发育,平均倾角5,走向长约4.985千米,倾向长为4.1千米,面积为20.2平方千米。井田内有三层煤,2煤、3煤及15煤,间距为20、35米。井田储量丰富,服务年限64.2年,采用“三八”工作制,根据煤层的赋存条件,通过技术经济比较,并结合本井田煤层倾角情况,决定采用走向长壁采煤法和倾斜长壁采煤法,整个井田采用立井单水平上下山开拓方式,集中大巷联合准备方式。整个回采过程均采用综合机械化采煤工艺,选用的设备为SL500双滚筒采煤机,ZYGT8638/25.5/55支撑掩护式液压支架,DSJ1400/250/3400型可伸缩胶
2、带输送机。使矿井能够在一矿一井一面的条件下达到生产能力。井田设3个井筒,采用中央并列式通风,通风方法为抽出式通风,主井采用箕斗提煤,副井采用罐笼提升兼输送人员,运输大巷采用胶带输送机运输。关键词:立井;集中大巷;长壁采煤法;采煤工艺;中央并列式通风。AbstractThis design is the new mine design of Xi gou NO.5 mine with capability of 4Mt/a . The geologic structure of this mine is simple , region development and inclination an
3、gle average in 5degree . The long is approximately 4.985 kilometers , the favors long is approximately 4.1 kilometers and the area is 20.2 square kilometers . There are three coal seam in the mine field, coal 2,3coal and coal 15, distance of 20,35meter.This mining area reserves is rich, the service
4、life 64.2 years, the use “38” the working system, saves the condition according to the coal bed tax, through the technical economy comparison, and unifies this well field coal bed inclination angle situation, decided that uses moves toward the long well mining coal law and Longwall mining method, th
5、e entire well field uses the vertical shaft single level to climb mountains the development way, the centralism climbs mountains the joint preparation way. The entire stopping process uses the synthesis mechanization mining coal craft, selects the equipment is the SL500 double roll coal mining machi
6、ne, the ZYGT8638/25.5/55 support shield type hydraulic support, the DSJ1400/250/3400 expandable adhesive tape conveyer. Enables the mine pit to issue the productivity in an ore well condition at the same time. The well field supposes three well chambers, uses the Centralparallelventilation, ventilat
7、es the way to extract the type to ventilate, the main shaft uses the ore basket to raise the coal, the auxiliary shaft uses the cage hoisting concurrently transportation personnel, the xiliary haulage uses the mine car.Key word: Vertical shaft; The centralism haulage roadway; Long well mining coal l
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