Classified lining was not classified?

Dear Sir,

We encounter that our classified lining in 2nd chamber was not classified small grinding media?

How should we solved this problem?

Chc.

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Re: Classified lining was not classified?

If the mill is closed loop, it can happen that overfilling (too high recirculation) causes the classifying to fail.

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Re: Classified lining was not classified?

May be there are too much small balls in your 2nd chamber?

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Re: Classified lining was not classified?

There may be two possible reaasons for reverse classification,

1.Mill running at highere circulation factor than desired 2-2.5 for a closed circuit mill.

2.Mill classifying liner profiles were worn-out.

Best  practical way to classify balls is to run the mill without feed atleast one hour and then try to maintain circulation factor of 2-2.5.

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