改进回采工艺 提高煤炭质量

Improve Mining Technique to Raise Coal Quality

介绍 1 5 2 0 6综放面在回采过程中 ,采取了放震动炮、改进机组滚筒截齿、合理调整割煤速度、改变放顶煤工艺等技术措施 ,增加了块炭率 ,提高了煤炭质量 ,取得了可观的经济效益。

Shaking blast,reformed teeth of coal wining machine,adjusting cutting speed and improving roof-all technique are used to raise coal lump rate,which obtained good economic benefit.