The particle size of grinding circuit is the important factor to the grade of concentrated ore and metal recovery rate.

磨矿分级作业是选矿生产过程中至关重要的环节，磨矿粒度的好坏直接影响到浮选的精矿品位和回收率。

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A rinsing device is arranged for washing the concentrated ore, thus further removing the impurities in the concentrated ore.

设置漂洗装置对精矿进行冲洗，进一步去除精矿夹杂。

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The invention has the characteristics of good sorting effect, high concentrated ore quality, simple structure, convenient maintenance, long service life, etc.

本结构还具有分选效果好，精矿品位高，结构简单，维修方便，使用寿命长等特点。

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Not all of them are concentrated in the eastern half of the country, however, witness regional outliers such as Salem, Ore.

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