Revolving grate cooler for cooling of clinker or similar products

A revolving grate cooler for cooling of clinker or similar products, comprising a tubular chamber having first, second, and third sets of curved plates secured to an internal surface of said chamber along its length the clinker travelling along the length of said chamber and over said first, second and third sets of plates, said first set of plates secured to a front portion of said chamber where the clinker enters and having at least one opening formed therein for cooling air to flow therethrough to the chamber, said second set of plates secured to a middle portion of said chamber and having an uninterrupted, smooth surface, said third set of plates secured to a middle portion of said chamber and having a projection extending outwardly from its surface to break up the clinker.

A revolving grate cooler for cooling of clinker or similar products, comprising a tubular shaped body having inner and outer surfaces and a plurality of holes formed therein, a plurality of curved metal cooling plates arranged in a series of rows secured to said inner surface each having a plurality of openings cooperating with said plurality of holes, a pressurized chamber communicating with said body to provide air flow through said plurality of holes and openings for cooling the products within said body, and a first plurality of curved solid metal plates secured to said inner surface of said body adjacent a last row of said curved cooling plates.