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发明公开
CN1806930A 高铁铝土矿铝铁分离综合利用方法 失效 - 权利终止 转让

高铁铝土矿铝铁分离综合利用方法
摘要：
本发明涉及一种铝土矿选矿方法，特别是涉及一种高铁铝土矿中强磁选铝铁分离及阴离子反浮选回收铁的综合利用方法。本发明方法首先对高铁铝土矿进行强磁选铝铁分离，采用破碎机将矿石破碎至0～25mm粒度，通过分级机选出粒度为－0.074mm占60％～85％的矿粒，以水为输送介质，将矿浆经过强磁磁选机粗选，分离出磁性矿物粗选铁精矿和非磁性矿物粗选铝精矿；将粗选铁精和粗选铝精矿分别经过强磁磁选机精选和扫选，分离出精选铁精矿和精选尾矿，扫选铝精矿和扫选尾矿；将扫选铝精矿脱泥获得产品氧化铝精矿。再对分离出的磁选精矿铁精矿进行阴离子反浮选回收铁，将磁选精矿经磨矿后，磨矿粒度在－400目占84％～99％，添加调整剂、分散剂、抑制剂、捕收剂进行第一次反浮选，对分离出的铁精矿再进行第二次反浮选分离出产品富铁精矿和尾矿。
摘要（英）：

The invention relates the bauxite mineral concentration method. The method comprises the following steps: separating aluminum and iron from high ferro bauxite with magnetic concentration, bruising ore to 0-25mm, selecting the ore particles whose granularity is 0.074, using water as transmission medium, roughing separating the ore pulp with cobber to get roughing separation iron concentrate and roughing separation aluminum concentrate; refining them with cobber to get classification iron concentrate and classification tailings, scavenging; desliming the aluminum concentrate and getting the aluminum oxide concentrate; the classification iron concentrate carried out reverse flotation with anion to reclaim iron, after grinding, and the granularity being -400 mesh, adding modifying agent, dispersing agent, inhibiting agent and collector to carry out the first reverse flotation, then carrying out the second reverse flotation to get the rich iron concentrate and tailings.

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