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块崩落法是一种无底柱采矿方法，对底部结构要求严格，为保证质量，我矿专配了一个混凝土制备和输送系统。该系统座落在930地表工业场地，砼制备系统选用郑州水工机械厂生产的JL2×1000型混凝土搅拌楼，其特点是生产能力大，自动化程度高，产品质量可靠，为我矿新工艺生产提供
Block caving method is a bottomless column mining method, the strict requirements of the bottom structure, in order to ensure the quality, I mine equipped with a concrete preparation and delivery system. The system is located in 930 surface industrial sites, concrete preparation system selection of Zhengzhou Hydraulic Machinery Factory production of JL2 × 1000 concrete mixing plant, which is characterized by large production capacity, high degree of automation, product quality and reliable, for my mine production of new technology provide