Process and apparatus for continuous treatment of particles

Details Process and apparatus for continuous treatment of particles Process and apparatus for continuous treatment of particles

1993-03-17

1995-03-28

Beck, Shrive

Coating processes

Particles, flakes, or granules coated or encapsulated

4272112, 427425, 118303, 118418, B05D 700

Patent

active

054015340

ABSTRACT:
Particles, such as seeds, are coated with a treatment agent by being introduced into a rotating cylindrical drum into which the treatment agent is supplied. A pair of screw conveyors is disposed within the drum and arranged to rotate about respective axes oriented parallel to the axis of rotation of the drum. One of the screw conveyors rotates in the same direction as the drum, and the other screw conveyor rotates in the opposite direction to achieve a rolling motion of the particles as they are axially advanced along the drum.

REFERENCES:
patent: 2601355 (1952-06-01), Wyss et al.
patent: 2999293 (1961-09-01), Taff et al.
patent: 3974307 (1976-08-01), Bowen
patent: 4862826 (1989-09-01), Christen
patent: 5094604 (1992-03-01), Chavez et al.

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