Grinding & Classification Circuits

Grinding & Classification Circuits 2017-04-04T06:57:16+00:00
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Leaking Ball Mill Seal (3 replies)

Sugar Watkins
2 years ago
Sugar Watkins 2 years ago

How to stop the leakage through seal ring and seal wiper in wet ball mill?

Bill Rico
2 years ago
Bill Rico 2 years ago

I guess could be your rubber seal quality with high shore hardness I suppose. If that's the case suggest using flat washer in between, prior to arrest the leakage issue for the time being.

David Kano
2 years ago
David Kano 2 years ago

Lip seal with soft rubber, e.g. Linatex will be a good aid. A fancier solution would be a double lip seal with water purge in the middle. Typically replaceable stainless steel ring is used as counterpart.

Before start engineering for these "aids" you may want to double check the ball mills operating point, i.e. volumetric filling. If the mill is overloaded, or does not have sufficient gradient (feed opening smaller than discharge opening) no seal arrangement will save you.

Alan Carter
2 years ago
Alan Carter 2 years ago

Yes the mill is almost running with double its capacity (Rated 30TPH, running with 55 TPH), earlier we used to have Linatex seal wiper and SS seal ring. In this course Linatex seal wiper didn't give good life and within a week the leakage used to start again, hence we changed the MOC of seal wiper to conveyor belt MOC. With this we are getting a life of about 15 days. Now the condition is the SS seal ring getting worn out very fast. This we have replaced with hardox seal ring of BHN 500, let us see how many days we get the life.

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