B - Operations – Transporting – 09 – B
Patent
B - Operations, Transporting
09
B
B09B 5/00 (2006.01) B01J 2/20 (2006.01) B02C 18/30 (2006.01) B30B 9/28 (2006.01) B02C 18/40 (1990.01)
Patent
CA 2106219
ABSTRACT Apparatus and method for processing of material such as organic waste material by compressing and extruding the material, with subsequent optional pelletization. In one embodiment, an apparatus includes a container for the material having an inlet end and an outlet end for the inflow and outflow of the material. There is a first plate located at the outlet end and rotatable with respect to the container about an axis extending between the inlet and outlet ends. There is a second plate located within the container and rotatable with respect to the container about the axis and axially spaced apart from the first plate. The second plate has a leading radial edge and a surface facing toward the outlet end angled from the leading edge toward the outlet end for forcing material in contact therewith axially toward the outlet end of the container so as to compress material between the first and second plates as the second plate rotates. The first plate has one or more apertures through it for extrusion of compressed material through the first plate as the first plate rotates. A second embodiment apparatus includes a container for material to be processed having inlet and outlet ends. There is a compression zone at the outlet end within the container including means for exerting compressive forces on material in the zone in an axial direction toward the outlet end so as to compress the material. There is slicing means within the container and located toward the outlet end for movement in a direction transverse to the axial direction for slicing off a portion of the compressed material. There is a surface associated with the slicing means having an axial component such that the surface is oriented to force the sliced portion toward the outlet end with movement of the slicing means. As with the first embodiment, there is extrusion means at the outlet end having apertures located to accept therethrough material forced toward the outlet end by the surface whereby material is extruded from the outlet end of the container, which material may be cut to pellet-sized pieces if desired. Methods for carrying out the invention are described.
Blake Cassels & Graydon Llp
Lagace Systech Corporation
LandOfFree
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