Grinding Circuit - an overview | ScienceDirect Topics

product feeds two parallel ball mills of 6.6 m×11.1 m internal diameter×length, each with a 9.7 MW twin pinion drive. The ball mills are operated at a ball charge volume of 30–32% and 78.5% critical speed. The trommel undersize is combined with the ball mills’ and pumped to two parallel packs clusters of ...

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