旋流微泡浮选柱对粗粒煤泥的分选研究  

Research on separating of coarse coal slime by cyclone micro-bubble flotation column

作　　者：闫永兰[1] 赵闻达[2] 李延锋[2] 

机构地区：[1]江苏地质矿产设计研究院,江苏徐州221006 [2]中国矿业大学化工学院,江苏徐州221116

出　　处：《选煤技术》2013年第6期16-19,共4页Coal Preparation Technology

基　　金：教育部新世纪优秀人才支持计划资助项目(NCET-10-0767);中国创新人才科研基金(2013RC13)

摘　　要：阐述了粗粒煤泥在浮选中损失的原因,分析了粗粒煤泥的浮选适应性,从结构和分选机制方面为旋流微泡浮选柱分选粗粒煤泥提供了理论说明。半工业性试验数据分析表明,旋流微泡浮选柱对>0.25 mm粒级粗粒煤泥具有良好的分选效果,同时提出了几项改善旋流微泡浮选柱粗粒煤泥浮选效果的措施。The paper described the cause of loss of coarse coal slime in the flotation, analyzed the appli-cability of coarse coal slime flotation, provided theoretical explanations from aspects of structure and sepa-ration mechanism that the cyclone micro-bubble flotation column can separate coarse coal slime. Then data analysis of pilot - plant test results show that the separation slime containing particle size great than 0. 25 mm by cyclone micro - bubble flotation column are satisfactory, meanwhile, several measures which can improve the flotation effects of coarse particles by cyclone micro - bubble flotation column were sug-gested.

关 键 词：粗粒煤泥 旋流微泡浮选柱 分选效果 措施 

分 类 号：TD943[矿业工程—选矿]