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曲江矿井经济评估江西煤矿设计院设计的年产９０万ｔ曲江井，系丰城矿务局的矿区生产接替井。该井是高沼气和煤与沼气突出矿井，地温高，有煤尘爆炸危险，属自燃发火煤层。因此，防灾害措施的工程量、设备等费用高，开采的经济效益引为关注。现从开采经济效益出发，对曲江...
Qujiang Mine Economic Assessment Jiangxi Coal Mine Design Institute with an annual output of 90 million t Qujiang wells, Department of Fengcheng Mining Bureau of the mine production replacement wells. The well is high biogas and coal and biogas protruding from the mine, high ground temperature, there is the danger of coal dust explosion, spontaneous combustion of coal seam. Therefore, the cost of disaster prevention measures, equipment and other costs, the economic benefits of mining attracted attention. Starting from the economic benefits of mining, the Qujiang ...