Air classification system

Details Air classification system Air classification system

1993-11-15

1994-11-22

Dayoan, D. Glenn

Classifying, separating, and assorting solids

Fluid suspension

Gaseous

209710, B07D 400

Patent

active

053660951

ABSTRACT:
An air classification system comprises of dual cylindrical chambers mechanically separated, to allow a zone of atmospheric air in between. A primary classification chamber situated vertically below a concentric secondary classification chamber. A rotating parallel blade turbine is situated within the lower primary chamber in order to effect centrifugal particle classification upon a feed material intimately mixed in an air stream. A tubular rotary discharge connected to the turbine which passes through the zone of atmospheric air separating the dual chambers, and extends into the upper secondary chamber which exists to collect and discharge the classified product from the system. A classifier of this design is capable of separating ultra fine particles without stray amounts of oversize with extremely high fine product yields.

REFERENCES:
patent: 2968401 (1961-01-01), Sheldon
patent: 3090487 (1963-05-01), Doyle
patent: 4071441 (1978-01-01), Schauer
patent: 4257880 (1981-03-01), Jones
patent: 4257890 (1981-03-01), Hurner
patent: 4551241 (1985-11-01), Saverse et al.
patent: 4564442 (1986-01-01), Jager
patent: 4799595 (1989-01-01), Binder
patent: 4869786 (1989-09-01), Hanke

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