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有色金属(选矿部分):2021,(3):104-109
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某大理岩型石墨矿鳞片保护磨浮工艺研究
李亚, 王英凯, 张旭, 何章辉, 牛艳萍
(黑龙江省地质矿产实验测试研究中心)
Study On Scale Protection Grinding And Floatation Technology of A Marble Type Graphite Ore
LIYA, WANG Yingkai, ZHANG Xu, HE Zhanghui, NIU Yanping
(Heilongjiang provincial Research center of Geological and mineral experimental testing)
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投稿时间:2020-07-01    修订日期:2020-07-12
中文摘要: 某大理岩型石墨矿,其大鳞片石墨含量较高,可选性较好。为了高效利用该石墨矿资源,进行了石墨矿鳞片保护浮选工艺研究。实验结果表明,在粗磨磨矿细度为-0.075mm占45%的条件下,粗精矿四次再磨四次精选后筛分分级出+0.15mm精矿,-0.15mm产品经4次再磨5次精选后获得-0.15mm精矿。+0.15mm精矿产品固定碳含量91.39%,回收率27.37%,-0.15mm精矿产品固定碳含量94.06%,回收率63.57%,合计精矿总定碳回收率90.94%,该工艺流程可以有效保护大鳞片石墨。
中文关键词: 石墨  浮选  预先筛分  鳞片保护
Abstract:A marble type graphite ore, its large scalegraphgraphy content is high, and its floatability is very good. In order to make efficient use of the graphite ore resources, the flotation technology of graphite flake protection was studied. The experimental results show that with the primary grinding fineness of 45% passing 0.075mm, the crude concentrate is re-grinding and concentrating 4 times , after Screening + 0.15mm concentrate, -0.15mm concentrate is re-grinding 4 times and concentrating 5 times. The fixed carbon content of the refined concentrate products was 91.39%, the recovery rate was 27.37%, the fixed carbon content of -0.15mm concentrate products was 94.06%, the recovery rate was 63.57%, the total fixed carbon recovery rate of the total concentrate was 90.94%, the process could effectively protect the large scale graphite.
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李亚,王英凯,张旭,何章辉,牛艳萍.某大理岩型石墨矿鳞片保护磨浮工艺研究[J].有色金属(选矿部分),2021(3):104-109.
LIYA,WANG Yingkai,ZHANG Xu,HE Zhanghui,NIU Yanping.Study On Scale Protection Grinding And Floatation Technology of A Marble Type Graphite Ore[J].Nonferrous Metals(Mineral Processing Section),2021(3):104-109.

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