The grade of a raw ore is the basis of oremilling and ore dressing.
原 矿品位、回收率、尾矿品位三者是密切相关的。
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Author used laser beam to quench the surface of the oremilling roller, so that increase its surface hardness and improve its wear resistance properties, and prolong its service life.
Particle size of ore powder can not be refined infinitely by milling, but its microcosmic crystallines can be refined gradually until amorphous structure is formed.