Patent ID: 6132560
Filing Date: 2000-10-17
Classification: C10B,F27D

Abstract:
A rotary drum cooler for cooling particulate material, said cooler comprising:a housing adapted to have a bath of cooling liquid therein;an elongated shell rotatably mounted in said housing, said shell having an outer periphery and having an inlet at a first end for receiving said particulate material and an exit extending through an end-wall at a second end through which said particulate material is removed after it has passed through said shell;a plurality of radially-spaced lifters within said shell affixed to said end-wall at said second end for lifting said particulate material from within said shell to said exit; each of said plurality of said lifters comprising:a channel secured to the inside of said end-wall at said second end of said shell and extending from the outer periphery of said shell to said exit, said channel having an outlet opening adjacent said outer periphery through which particulate material can flow out of said channel; andmeans for adjusting said outlet opening in said channel whereby the volume of particulate material which can be carried within said channel can be varied.