Why are miscellaneous grains selected by winnowing

发布时间：2020-09-25 点击次数：

        The method of using the difference in the suspension speed of miscellaneous grains and impurities to separate impurities with the help of airflow is called winnowing. In mills, winnowing is often used to remove light impurities in raw materials.       

        According to the flow direction of the airflow to remove impurities from the material, winnowing can be divided into vertical, horizontal or inclined winnowing. Because the vertical winnowing effect is relatively stable and the anti-interference ability is strong, it is most used in powder mills.

        According to the different setting positions of the winnowing equipment in the wind network, the winnowing can be divided into suction winnowing and blowing winnowing. The suction winnowing equipment works in a negative pressure state, and the dust does not overflow, and the working effect is relatively stable.

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