The application of sand making machine in hematite ore
Hematite, also known as red ore, has the chemical formula Fe2O3, which is a weakly magnetic iron mineral with better floatability than magnetite, and is one of the main raw materials for iron making. The main beneficiation processes are re-election, flotation and strong magnetic separation or a variety of beneficiation processes, there are also over-magnetization roasting and then weak magnetic separation process.
Early hematite ore beneficiation generally uses heavy separation process, mainly jig, centrifugal concentrator, spiral chute, spiral concentrator, shaking table, etc., due to its small processing capacity, low beneficiation grade, low recovery rate and gradually be eliminated.
Later hematite ore beneficiation developed flotation process and strong magnetic separation process, mainly with oxidized paraffin soap as the trapping agent of the positive flotation process and electromagnetic flat ring strong magnetic separator for the separation equipment of the strong magnetic separation process. But the separation technology indicators are not satisfactory results.
Iron processing equipment has made great progress, and its main beneficiation process is the strong magnetic separation process represented by electromagnetic pulsating high gradient magnetic separator and the reverse flotation beneficiation process represented by the series. In particular, the use of strong magnetic - flotation combined process to make some mines of hematite separation to reach the iron ore concentrate products.
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