炮采放顶煤大倾角厚煤层仰采技术研究与应用

Research and Application of Blasting Mining,Caving Coal,Large Indination,Thick Coal Seam and Overhand Mining Technology

郑州煤业集团超化煤矿采用炮采放顶煤工作面大倾角仰采技术取得成功,解决了大倾角采煤工作面的支架失稳问题。

The blasting mining caving coal face, large indination and overhand mining＇tectmology is successfully applied in Chaohua Coal Mine of Zhengzhou Coal Industry Group Comp. The losing steady problem of the support is sloved.