四川某难选石墨矿选矿试验研究

金属矿山 ›› 2012, Vol. 41 ›› Issue (07): 95-98.

四川某难选石墨矿选矿试验研究

张凌燕^1,2，李向益¹，邱杨率¹，管俊芳^1,2，彭伟军¹，秦元祥³，姜甫³

1.武汉理工大学资源与环境工程学院；2.矿物资源加工与环境湖北省重点实验室；3.四川领航石墨制品有限公司

出版日期:2012-07-15 发布日期:2012-07-26

Experimental Research on Beneficiation of a Refractory Graphite Ore from Sichuan

Zhang Lingyan^1,2，Li Xiangyi¹，Qiu Yangshuai¹，Guan Junfang^1,2，Peng Weijun¹，Qin Yuanxiang³，Jiang Fu³

1.School of Resources and Environmental Engineering， Wuhan University of Technology；2.Hubei Key Laboratory of Mineral Resources Processing and Environment；3.Sichuan Linghang Graphite Product Co.,Ltd

Online:2012-07-15 Published:2012-07-26

摘要/Abstract

摘要： 为解决开发年代较久的四川某细粒难选石墨矿选矿技术经济指标较低的问题，在条件试验的基础上，对粗精矿再磨再选次数、低品位中矿的处理工艺、全闭路流程试验进行了研究。结果表明，对固定碳含量22.46%的试样，采用1次粗磨1次粗选1次扫选，粗精矿5次再磨6次精选，中矿1～中矿4合并再磨再选、再选精矿返回再磨1作业，中矿5～中矿7合并进入再磨2作业，最终获得了固定碳含量为90.47%、回收率为87.34%的精矿。

关键词: 细粒难选石墨矿, 再磨, 精选, 中矿

Abstract: To resolve the problem of lower technological and economic indicators in beneficiation of a fine and refractory graphite ore that was exploited for a long time in Sichuan， the times of regrinding and cleaning, the treatment process of low-grade middling and whole closed trial were studied on the basis of roughing conditions trial.The fixed carbon content of the graphite ore sample was 22.46%.The results show that finally the graphite concentrate of fixed carbon grading at 90.47%with recovery of 87.34% was achieved through the whole closed trial, which was once rough grinding ,once roughing and once scavenging, then five times regrinding and six times cleaning to the rough concentrate, one more regrinding and scavenging to the mix of the middling(1~4) and the concentrate of this scavenging merges with the rough concentrate, the middling(5~7) returns to the second regrinding.

Key words: Fine and refractory graphite ore, Regrinding, Cleaning, Middling

张凌燕, 李向益, 邱杨率, 管俊芳, 彭伟军, 秦元祥, 姜甫. 四川某难选石墨矿选矿试验研究[J]. 金属矿山, 2012, 41(07): 95-98.

ZHANG Ling-Yan, LI Xiang-Yi, QIU Yang-率, GUAN Jun-Fang, PENG Wei-Jun, QIN Yuan-Xiang, JIANG Fu. Experimental Research on Beneficiation of a Refractory Graphite Ore from Sichuan[J]. Metal Mine, 2012, 41(07): 95-98.

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