Blender with virtual baffle of particulate material

Details Blender with virtual baffle of particulate material Blender with virtual baffle of particulate material

1992-03-27

1995-05-02

Scherbel, David A.

Agitating

Stationary deflector in flow-through mixing chamber

366 10, 366101, B01F 524

Patent

active

054113326

ABSTRACT:
A blending apparatus, inexpensive in construction and requiring a minimum of recirculation, is today essential for economical and thorough blending of particulate material, for example, plastic pellets of virgin material and of pellets that have been reconstituted from recycled material. Construction of the blender is low in cost because the customary receiver, and its piping, conventionally installed below the blender are eliminated. The novel convex baffle serves:(1) as a termination surface for the conventional perforated blending conduits; and (2) retains a toroidal annular volume of particulate material in position between the upper outer surface of the baffle and the inside wall of the blender. The particulate material passes through the blending tubes, drops into the blending area below the convex baffle, whereupon the small amount of particulate material in the toroidal block or "keystone joist" is released to proportionally blend with it.

REFERENCES:
patent: 2805802 (1957-09-01), Strong
patent: 3936037 (1976-02-01), Leonard
patent: 4353652 (1982-10-01), Young
patent: 4629328 (1986-12-01), Revelt

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