Impact mill for reducing solids

Details Impact mill for reducing solids Impact mill for reducing solids

1977-01-17

1978-07-04

Lake, Roy

Solid material comminution or disintegration

Apparatus

Including means applying fluid to material

241189R, 241191, 241275, 241292, B02C 1309

Patent

active

040984664

ABSTRACT:
Ore, rock or other solids are reduced to a predetermined aggregate size with minimum energy consumption and maximum efficiency and with a dramatically reduced wear factor on machinery compared to traditional ball mills and hammer mills. A relatively low speed impact rotor propells gravitating solids continuously on a zigzag path between moving rotor bars and opposing stationary impact plates in an array surrounding the impact rotor. Easily replaceable low carbon steel impact parts may be employed. The avoidance of sliding contact between solids and metal machinery parts minimizes wear. An optional positive air draft arrangement allows the collection of fines and dust outside of the impact chamber.

REFERENCES:
patent: 197023 (1877-11-01), Ent
patent: 279067 (1883-06-01), Wolf
patent: 1188323 (1916-06-01), Richardson
patent: 2373691 (1945-04-01), Kessler
patent: 2618438 (1952-11-01), Chrystal
patent: 3141485 (1964-07-01), Bonner, Jr. et al.
patent: 3455517 (1969-07-01), Gilbert
patent: 3701485 (1972-10-01), Kimble et al.
Impact Mill Designed in Australia; in Mining and Chemical Engineering Review, 15 Dec. 1964, p. 15.

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