克里沃罗格矿业学院分析了克里沃罗格矿区各采选公司破碎厂的工作。在处理用露天法采出的含铁石英岩时,克里沃罗格矿区各采选公司采用四段破碎流程,最后两段破碎实行预先筛分。同时在所有的破碎厂均采用同一类型设备。在粗碎阶 The Krivoy Rogg School of Mines analyzed the work of the crushing plants at mining companies in the Kreyvorog mining area. In dealing with iron-bearing quartzite mined in the open pit, the mining companies in the Krivoy Rug Mine use a four-stage crushing process and the last two stages are pre-screened. At the same time in all the crushing plant are using the same type of equipment. In the rough fragmentation