Machine-translated by Google. Questions are authored in English.
Top

Discussion

A closed-circuit grinding system differs from an open circuit in that it

  • A.grinds the feed without any classification of the product at all
  • B.returns oversize material from a separator back to the mill
  • C.passes all of the material through the mill once and once only
  • D.uses water rather than air to carry the ground product away

Answer: B

Only material fine enough to pass the separator leaves the circuit, so nothing is ground further than it needs to be. This avoids the wasted energy of over-grinding part of the charge while the rest is still too coarse.

No comment is present. Be the first to comment.
Loading…

Post your comment

Please log in or register to post a comment.