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; 文章编号:1672-7207(2019)01-0009-06 Experimental study on purification of low grade magnesite by triboelectrostatic beneficiation ZHAO Xiaolu, WANG Haifeng, LI Yao... magnesite and reduce the purification cost of magnesite, the low grade magnesite was sorted and purified by triboelectric beneficiation. After the basic analysis of low-grade magnesite with X-ray......
某矿山三种不同类型铁矿石选矿试验研究 张丛香1,杨晓峰1 (1.鞍钢集团,矿业设计研究院,辽宁,鞍山,114002) 摘要:介绍了某矿山含硅酸铁矿石,碳酸铁矿石及原生矿的组成并进行了选矿试验研究,结果表明,3种矿石中原生矿最好选,含碳酸铁矿石最难选.根据试验结果,可以实现难选矿石与易选矿石合理配比,避免大量难选矿石同时给入生产时造成的生产指标波动.该研究对采场和选厂有一定的指导意义. 关键词:铁矿; 硅酸铁矿石; 碳酸铁矿石; 原生矿; 选矿试验; 可选性差异; iron mine; iron silicate ore; iron carbonate ore; primary ore; beneficiation research; differences in beneficiability; [全文内容正在添加中] ......
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STUDIES OF PURIFYING OF CLAYEY DIATOMITE郑水林摘 要:<正>This article discusses the purifying method of the clayeydiatomite or cler-bearing diatomite minerals found in China.And theprocesses of acidizing,beneficiation and gravitational fluidized dry sepa-ration are reviewed.关键词:......
超极限h/D螺旋溜槽的研究及应用 刘惠中1,张一敏2 (1.北京矿冶研究总院,北京 100044;2.武汉科技大学,湖北 武汉 430081) 摘要:本文基于普通细粒螺旋溜槽分选原理,提出并研制了超极限h/D螺旋溜槽,成功解决了非金属矿红柱石的脱泥及初步富集问题.在同等条件下,与普通溜槽相比,超极限溜槽脱泥作业粗精矿产率可提高约10%,Al2O3含量可提高约4%. 关键词:红柱石; 螺旋溜槽; 脱泥富集; 超极限h/D; Andalusite; Helical chute; Desliming and beneficiation; Out-limited h/D; [全文内容正在添加中] ......
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完成或改进目标任务十分必要.故可认为迁移学习是在最小人工监督成本下进行机器学习的一种高效方法. 图1 黑钨矿选矿一般流程 Fig. 1 General flow of wolframite beneficiation 在上述研究基础之上,针对黑钨矿图像识别方法无法有效识别黑钨矿石与围岩废石的问题,本文利用预训练后的CNN进行迁移学习完成识别任务.首先,为了降低样本的不平衡... in convolutional neural networks[J]. Pattern Recognition, 2018, 77: 354-377. Beneficiation method of wolframite image recognition based on deep learning WANG Li-guan, CHEN Si-jia, JIA Ming-tao, TU Si-yu......
煤与单一矿物质在摩擦电选过程中的分离 章新喜1,石常省2,马瑞欣3 (1.中国矿业大学化工学院,江苏,徐州,221116;2.华北科技学院环境工程系,北京,101601;3.中国矿业大学化学与环境工程学院,北京,100083) 摘要:摩擦电选能够有效分选粒度小于74μm的微粉煤,为了探索煤中矿物质在摩擦电选过程中的分离规律,将净煤(ρ<1.3 g/cm~3)与煤中常见伴生矿物质如石英,高岭土,黄铁矿,方解石等分别按照一定比例混合,进行摩擦电选研究,并对各组精煤产品进行了X射线荧光光谱分析.试验结果表明:4种矿物质都可以通过摩擦电选方法有效脱除,方解石,石英,黄铁矿和高岭土的脱除率可分别达74.871%,82.608%,96.169%,94.986%. 关键词:摩擦电选; 微粉煤; 矿物质; X射线荧光光谱; triboelectrostatic beneficiation......
" name="ChDivSummary">Because of the current depletion of high grade reserves,beneficiation of low grade ore,tailings produced and tailings stored in tailing ponds is needed to fulfill the market demand.Selective flocculation is one alternative process that could be used for the beneficiation of ultra-fine material.This process has not been extensively used commercially because of its complex......