Air classifier

Details Air classifier Air classifier

1980-07-09

1981-10-27

Cuchlinski, Jr., William A.

Classifying, separating, and assorting solids

Fluid suspension

Gaseous

209148, 209154, B04C 5103

Patent

active

042968640

ABSTRACT:
An air classifier comprises a casing formed of a generally hollow cylindrical vertical casing body and an inverted conical hopper fixed to the lower wall of the casing body. A fine product outlet duct is provided at the center of the upper wall of the casing body. An air-powdered material inlet duct and a secondary air inlet duct are set in the diametrically opposite positions of the vertical wall of the casing body to project tangentially outward. A vertical rotary shaft extends through the central portion of the casing body. A rotary disc member for concurrently carrying out the dispersion and classification of a powder raw material is fitted to the lower end of the rotary shaft at a boundary between the casing body and hopper. A cage-shaped assembly of guide vanes is provided in the casing body to conduct a mixture of air and powdered material into the casing body. The air classifier of this invention constructed as described above can precisely classify by itself a large amount of powder material as a classifier for swept-air from a mill.

REFERENCES:
patent: 2753996 (1956-07-01), Kaiser
patent: 3015392 (1962-01-01), Rozsa et al.
patent: 3040888 (1962-06-01), Hosokawa et al.
patent: 3423034 (1969-01-01), Hippert
patent: 3669265 (1972-06-01), Conley
patent: 3670886 (1972-06-01), Hosokawa et al.

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