通过对轻放工作面后部刮板输送机进行尾煤装置改造,进行尾煤回收工艺研究,取得良好效果。
Through the transformation of tailings device of the scraper conveyor behind light caving face, this paper studied tailings mining technology, and achieved good results.
通过改进综采轻放工艺,在1426d工作面进行综采轻放开采实践,实现了安全生产目标。
By improving the fully mechanized light caving technology, carrying out in the 1426d working face light caving practice, achieving the goal of safe production.
前言: 石台煤矿II3123工作面为“三软”煤层轻放工作面,顶板破碎易掉,片帮、冒顶时常发生。
The II3123 face is a light type caving face of three-soft coal seam. the roof is cracked, sloughing and roof fall often occur.
然后它一面轻轻放下鸡蛋,一面支起身子来看看周围有没有动静。
It then lay down their eggs in one hand gently on the one hand sticks around from body to see if nothing happened.
分析了在复杂的地质条件下 ,采用传统的架棚支护在扩掘大断面轻放切眼中出现的问题 ,给轻放工作面衔接带来的影响。
This paper analyze the problems of expanding mining caving lightly set-up room with traditional shield support, it took the influence to join caving lightly workface.
分析了在复杂的地质条件下 ,采用传统的架棚支护在扩掘大断面轻放切眼中出现的问题 ,给轻放工作面衔接带来的影响。
This paper analyze the problems of expanding mining caving lightly set-up room with traditional shield support, it took the influence to join caving lightly workface.
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