Concrete vs Cement: What's The Difference? | Howden
The ball mill then grinds the feed to a fine powder. The fine powder is then sent to a separator which separates fine and coarse product. The latter is sent to the mill inlet for regrinding. The final product is stored in concrete silos as cement. Cement is so fine that 1 pound of cement contains 150 billion grains. 6. Final Product