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首页> 外文会议>International Conference on Alternative Routes of Iron and Steelmaking ICARISM'99, Sep 15-17, 1997, Perth, WA >Pelletising Characteristic of the Magnetite Concentrate from Daye Iron Mine
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Pelletising Characteristic of the Magnetite Concentrate from Daye Iron Mine

机译：大冶铁矿磁铁矿精矿的造粒特性

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摘要

An attempt has been made to investigate the performance of green pellet formation of the Daye magnetite concentrate from the weak-magnetic separation plant. The optimum conditions for the commercial production of green pellets was found through experimental research. The satisfactory size range for balling is 75+-3 per cent -200 mesh. The suitable moisture content is between 8.7 and 9.1 percent and the optimum amount of bentonite added is between 1.5 and 2.5 percent. The emphasis is on the size of the feed materials since the grinding fineness, which can be obtained at the plant, at most is 78 percent -200 mesh. If the optimum fineness for the pellet formation is above this value, this means that the concentrate must be re-ground before balling. The results from experiments showed that a good quality green pellet can be attained by using materials below 78 percent -200 mesh, which provides a strong foundation for the commercial production of green pellets.
机译：已经尝试研究来自弱磁分离设备的大冶磁铁矿精矿生坯的性能。通过实验研究发现了绿色颗粒生产的最佳生产条件。球的令人满意的尺寸范围是75 + -3％-200目。合适的水分含量为8.7-9.1％，膨润土的最佳添加量为1.5-2.5％。重点在于进料的尺寸，因为可以在工厂获得的研磨细度最多为78％-200目。如果形成颗粒的最佳细度高于该值，则意味着必须在球化之前对精矿进行重新研磨。实验结果表明，使用78％-200目以下的材料可以获得优质的生坯，这为生坯的商业化生产提供了坚实的基础。

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