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金属矿山 ›› 2013, Vol. 42 ›› Issue (04): 74-76+85.

• 矿物工程 • 上一篇    下一篇

某低品位钒钛磁铁矿石选矿试验

王伟之1,2,李明彦3,韩东芸2,4   

  1. 1.河北联合大学矿业工程学院;2.河北省矿业开发与安全技术实验室;3.河北钢铁集团矿业有限公司;4.河北联合大学化学工程学院
  • 出版日期:2013-04-15 发布日期:2013-05-13
  • 基金资助:

    * 河北省科技支撑计划重点项目(编号:12236726D)。

Beneficiation Experiments of a Low Grade Vanadium-titanium Magnetite Ore

Wang Weizhi1,2,Li Mingyan3,Han Dongyun2,4   

  1. 1.College of Mining Engineering,Hebei United University;2.Hebei Provincial Key Laboratory of Mining Development and Safety Technology;3.Hebei Iron & Steel Group Mining Co., Ltd.;4.College of Chemical Engineering,Hebei United University
  • Online:2013-04-15 Published:2013-05-13

摘要: 为了给某低品位钒钛磁铁矿石的开发利用提供技术依据,对该矿石进行了综合回收铁和钛的选矿试验。结果表明:原矿经两段阶段磨矿、阶段弱磁选,可获得铁品位为64.42%、铁回收率为55.42%的铁精矿;选铁尾矿经螺旋溜槽粗选—摇床1次精选,中矿开路情况下可获得TiO2品位为33.88%、对重选作业和对原矿的TiO2回收率分别为32.83%和27.78%的钛精矿,该产品可作为护炉原料销售

关键词: 钒钛磁铁矿石, 阶段磨矿, 阶段弱磁选, 螺旋溜槽—摇床重选, 铁钛综合回收

Abstract: In order to provide the technical basis for the development and utilization of a low-grade vanadium-titanium magnetite ore, beneficiation tests on comprehensive recovery of iron and titanium are made. The results show that iron concentrate with Fe grade of 64.42% and recovery of 55.42% is obtained by adopting the process of two stages grinding-stage low intensity magnetic separation from the raw ore. Tailings are treated by the open-circuit process of rough concentration with spiral chute-one cleaning with table. Then, titanium concentrate with TiO2 grade of 33.88%, and the recovery of 32.83% by gravity separation and the recovery TiO2 of 27.78% of the raw ore are obtained. The product can be sold as raw materials of protecting the furnace.

Key words: Vanadium-titanium magnetite, Stage grinding, Stage low intensity magnetic separation, Spiral chute-table gravity separation, Comprehensive recovery of iron and titanium