【摘要】 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更多还原

【Abstract】 Carrying on the advantages of heavy jet nonsupported hydraulic mining technology,and in view of the objective condition of small sized mine,a the pulse hydraulic jet coal mining technology is discussed.By using this technology,mechanical mining of small sized mine can be realized.Also,it has the advantages of small investment,low cost,safe reliable operation and small amount of labor.Thus,it provides a new approach of mining for small sized conventional mines which adopt block extraction as the main mining method.更多还原