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本文介绍了采用填料式浮选柱选别司家营赤铁矿及齐大山赤铁矿的研究结果，分析与解决了试验中碰到的填料式浮选柱沉积堵塞的关键技术难题，并介绍了该设备独特的结构及分选性能。
This paper introduces the research results of using packing flotation column to separate the Sijiaying hematite from the Qidashan hematite, and analyzes and solves the key technical problems of the plugging of the packed flotation column encountered in the experiment, The unique structure of the device and sorting performance.