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How many kinds of grinding and classification?

Asker:            Ron
Ask Date:      2017.04.10  10:05:39 AM
Question:      How many kinds of grinding and classification?
Detail:           How many kinds of grinding and classification?


Reply:            Dear Ron,

Thank you for your question!

According to different purposes, grinding and classification can be divided into preliminary classification, inspection classification and controlling classification.

Preliminary classification: screen qualified powder out before materials go into grinding mill. And it is good to choose preliminary classification when the content of qualified materials is more than 15 percent.

Inspection classification: one of the most common classification method is inspection classification. It means screen unqualified powder out and send them to grinding mill for reprocessing. This method can process some returned sand, which improves grinding efficiency and relieve the phenomenon about excessive grinding effectively, so we can choose inspection classification when the content of qualified powder is less.

Controlling classification: it means do further classification for the materials which have classified during inspection classification. Only if the size requirement of final products is strict should we choose this method.

Liming Heavy Industry

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