【摘要】 为了提高企业经济效益，增强风险抵御能力，对河南某钼矿选厂碎磨系统进行改造，采用“三段一闭路破碎+高压辊磨机+磨矿高效分级”新碎磨工艺进行了应用实践。高压辊磨机工艺应用实践实现了球磨机入料F₈₀由8 mm降低至4 mm,碎磨系统处理量由14 400t/d提升至23 000t/d,碎磨系统电耗降低3.8元/t,直接工序成本降低6.95元/t原矿。高压辊磨机工艺实践证明，该工艺可提高碎矿系统破碎比，降低矿石入磨粒度和球磨功指数，降低碎磨能耗和生产成本，达到了“多碎少磨、节能降本”的目的，大幅提升了企业经济效益。更多还原

【Abstract】 In order to improve the economic benefits of enterprises and enhance the ability to resist risks, the grinding system of a molybdenum ore beneficiation plant in Henan province was reformed, and the new grinding process of “three-stage closed-circuit crushing + high-pressure roller mill + high-efficiency grinding classification” was applied. High pressure roller mill process application practice achieved the ball mill feed F₈₀ reduced from 8 mm to 4 mm, crushing system processing capacity increased from 14 400 t/d to 23 000 t/d, crushing system power consumption reduced 3.8 yuan/t, direct process cost reduced 6.95 yuan/t raw ore. The high-pressure roller mill process practice has proved that the process can improve the crushing ratio of the crushing system, reduce the ore grinding particle size and the ball milling work index, reduce the crushing energy consumption and production costs, achieve the purpose of “more crushing and less grinding, energy saving and cost reduction”, and greatly improve the economic benefits of enterprises.更多还原