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矿冶:2023,32(6):-
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云南文山多金属含锡硫化矿中含硫矿物的工艺矿物学研究及回收工艺
王靖1, 崔毅琦1, 张洋1, 张宇1, 宋强1, 黄丹1, 闫增达1, 童雄1, 韩彬2
(1.昆明理工大学国土资源工程学院;2.云南华联锌铟股份有限公司)
Process mineralogical research and recovery process of sulfur-containing minerals in polymetallic tin-containing sulfide ore in Wenshan, Yunnan
WANG Jing1, CUI Yiqi1, ZHANG Yang1, ZHANG Yu1, SONG Qiang1, HUANG Dan1, YAN Zengda1, TONG Xiong1, HAN Bin2
(1.School of Land and Resources Engineering,Kunming University of Technology,Kunming;2.Yunnan Hualian Zinc Indium Co., Ltd)
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投稿时间:2023-06-13    修订日期:2023-06-28
中文摘要: 以云南文山多金属含锡硫化矿作为研究对象,通过XRD、XRF、光学显微镜、扫描电镜(SEM)和MLA分析等检测手段对该矿进行了系统的工艺矿物学研究并提出选别方案。结果表明,回收价值最高的元素为锡,主要以锡石的形式存在;硫化矿包括磁黄铁矿、毒砂、闪锌矿和黄铁矿等,其中磁黄铁矿为含硫主要矿物;脉石矿物主要是绿泥石、石英和黑云母等;同时含有磁铁矿。选矿试验采用“磁选除铁-37 μm分级-粗粒重选-细粒浮选”联合工艺流程,获得S品位和回收率分别为21.60 %和81.42 %的细硫精矿,S品位和回收率分别为26.19 %和87.71 %的次硫精矿,脱硫效果较好,为锡石综合回收奠定基础。
中文关键词: 含锡硫化矿  MLA  磁黄铁矿  工艺矿物学  选矿
Abstract:The process mineralogy of the mine was systematically studied by XRD, XRF, optical microscope, scanning electron microscopy (SEM), and MLA analysis, and a selection scheme was proposed. The polymetallic tin-containing sulfide ore in Wenshan, Yunnan, was used as the research object. The results show that the element with the highest recovery value is tin, mainly in the form of cassiterite; the sulphide ores include magnetic pyrite, toxic sand, sphalerite and pyrite, with magnetic pyrite being the main sulphur-bearing mineral; the vein minerals are mainly chlorite, quartz and black mica; and also contain magnetite.The concentration test utilizes a combined method of "magnetic separation iron removal - 37 μm classification - coarse grain gravity - fine grain flotation" to produce fine sulfur concentrate with a S grade and recovery rate of 21.60% and 81.42%, respectively, and subsulfur concentrate with a S grade and recovery rate of 26.19% and 87.71%, respectively, with good desulfurization effect, laying the groundwork for thorough cassiterite recovery.
文章编号:20230613005     中图分类号:    文献标志码:
基金项目:云南省“双一流”科技专项
引用文本:
王靖,崔毅琦,张洋,张宇,宋强,黄丹,闫增达,童雄,韩彬.云南文山多金属含锡硫化矿中含硫矿物的工艺矿物学研究及回收工艺[J].矿冶,2023,32(6):.

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