黄金科学技术 ›› 2022, Vol. 30 ›› Issue (1): 122-130.doi: 10.11872/j.issn.1005-2518.2022.01.069
Chengyu YI1(),Yingjie PEI2(),Shuai MA3
摘要:
针对焦家金矿选矿厂球磨机单位球耗高、磨机效率偏低和磨矿产品粒度组成不均匀等问题,基于矿石力学性质和磨矿循环产品粒度分布,采用段氏球径半理论公式计算得到推荐方案介质配比,并建立对照方案进行实验室磨矿对比试验,最终确定初装球方案为:Φ90∶Φ70∶Φ50∶Φ40∶Φ30=15∶25∶20∶15∶25。2016年10月26日开始对焦家金矿3#球磨机(MQG2736)进行工业试验,工业试验后磨机排矿磨矿细度 -0.074 mm产率较试验前提高了4.06%,粗粒级+0.30 mm产率降低了5.64%,磨机处理量提高了6.42%,表明推荐球比方案更适合现场球磨作业,有利于提高磨矿产品质量。
中图分类号:
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