US 7,566,017 B2
Apparatus for discharging material from a mill
Sanjeeva R. Latchireddi, Salt Lake City, Utah (US)
Assigned to Outotec Oyj, Espoo (Finland)
Filed on Jan. 17, 2006, as Appl. No. 11/334,179.
Claims priority of provisional application 60/691989, filed on Jun. 17, 2005.
Prior Publication US 2006/0283993 A1, Dec. 21, 2006
Int. Cl. B02C 17/14 (2006.01)
U.S. Cl. 241—183  [241/284; 241/300] 19 Claims
OG exemplary drawing
 
1. A pulp lifter for installation in a grinding mill downstream of a grate formed with apertures that allow slurry to pass to the pulp lifter for removal from the mill by the pulp lifter, the pulp lifter having a leading edge and a trailing edge with respect to rotation of the mill and comprising:
a first wall means bounding an interior space, and
a second wall means dividing the interior space into first and second sections,
wherein the first wall means includes a leading edge wall formed with an inlet opening providing access to the second section and an inner edge wall formed with an outlet opening for discharge of slurry from the second section, the second wall means includes a guide that extends substantially from an outer end of the leading edge wall to a trailing end of the inner edge wall, and the first section of said interior space is open at the trailing edge of the pulp lifter.