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继承大射流无支护水力采煤技术的优点 ,针对小型矿井的客观情况 ,论述了脉冲射流采煤技术。该技术可实现小型矿井的机械化开采 ,具有投资小、成本低、生产安全可靠、劳动量轻等优点 ,为以落垛为主要采煤方法的小型旱采矿井提供了新的开采途径和手段
Inheriting the advantages of non-supported hydraulic coal mining technology in large jets, this paper discusses the pulse jet coal mining technology for the objective conditions of small-scale mines. The technology can realize the mechanized mining of small-scale mines, has the advantages of small investment, low cost, safe and reliable production and light labor, and provides a new mining method and means for small-sized dry mines with the main coal mining method as falling stacks