Patent ID: 6832691
Filing Date: 2004-12-21
Classification: B03C

Abstract:
A magnetic separation system to remove ferrous material from a discharge slurry of an operating grinding mill comprising:(a) a feed chute for receiving discharge slurry, said feed chute comprising walls and a feed chute floor having an adjustable feed chute floor portion for controlling the release of discharge slurry from said feed chute, and said feed chute further comprising an electronically-controlled adjuster programmed to automatically adjust said adjustable feed chute floor portion in response to changes in flow of discharge slurry; and (b) a magnetic drum separator comprising a drum rotatable about an axis below said feed chute, said drum having a generally cylindrical outer surface and having a fixed magnet assembly within said cylindrical outer surface, wherein adjustment of said adjustable chute floor portion controls where discharge slurry released from said feed chute will contact said outer surface of said drum.