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由于淮南李嘴孜矿急倾斜煤层的倾角大,煤层厚,煤层顶板、煤壁管理难度大,安全难以保证,开采非常困难。淮南矿业集团联合其他单位共同研究急倾斜厚煤层综合机械化安全高效开采技术、装备及安全防护措施并在李嘴孜3232(3)工作面试验,实现急倾斜工作面最高月产约5万t,无安全事故的优异成绩。
Due to the large inclination of coal seam in steeply inclined coal seam of LiZangZi Mine in Huainan, the coal seam is thick, the coal seam roof and coal wall are difficult to be managed and the safety is difficult to guarantee. Therefore, mining is very difficult. Huainan Mining Group together with other units to study the mechanized safe and efficient mining technology, equipment and safety protective measures for the mechanized mining of steeply-pitched thick seam, and to test the work in LiZiZi 3232 (3) face to achieve the maximum monthly output of about 50,000 t in the steeply inclined face, No safety accidents excellent results.