Some problems as process long, many equipments, high-energy consumption and cyclone efficiency low are found on the analysis of grinding at the Plant.

本文通过对包钢选矿厂原磨矿分级作业状况的分析，认为该工艺存在流程长，设备配置多，能耗高，旋流器分级效率低的问题。

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The characters and mechanism of the transport way, and the calculation and measurement method of the efficiency of the pipe cyclone are presented.

文章侧重讨论螺旋管流输移固粒的特征机理与起旋器效率的测试与计算方法。

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The authors made an experimental research on the effects of air leakage at discharging chute which may influence the cyclone separating efficiency.

对因下料管处漏风导致旋风筒分离效率降低幅度变化的各种影响因素进行了试验研究。

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