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为了提高地下开采的铁矿石质量 ,除了选择合理的开采方法外 ,还应将选矿处理工序纳入开采流程。试验证实了采用阶段筛分和混入预选精矿法提高烧结粉矿质量的合理性
In order to improve the underground mining of iron ore quality, in addition to choose a reasonable method of mining, but also the beneficiation process should be included in the mining process. Tests confirmed the use of stage screening and mixing pre-selected concentrate method to improve the quality of sintered ore powder rationality