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千米深立井开凿过程中揭开突出煤层成为风险最大、成本最高、时间最长的工序,依据《防治煤与瓦斯突出规定》和工程地质条件,安全顺利完成鹤壁煤业集团公司第三煤矿千米深立井特厚突出煤层揭煤的工程实践。
According to “Provisions on Prevention and Control of Coal and Gas Outburst” and engineering geological conditions, it is safe and successful to complete the third coal mine of Hebi Coal Mining Group Corporation Engineering Practice of Unloading Thick Coal in Deep Seam and Extremely Thick Coal.