Material feed system for jet mills and flash dryers

Details Material feed system for jet mills and flash dryers Material feed system for jet mills and flash dryers

1979-03-27

1980-10-07

Camby, John J.

Drying and gas or vapor contact with solids

Apparatus

With apparatus using centrifugal force

34 10, 34 57E, F26B 1700

Patent

active

042260272

ABSTRACT:
The expenditure of energy required to feed solid material into a jet mill or flash dryer is significantly reduced by the use of a novel feed system in which a blower, operating at a pressure slightly higher than the pressure within the jet mill or flash dryer, produces a stream of air which transports the solid material to be treated. Solid material is introduced into the stream of air through a rotary valve in which the rotary element is disposed for rotation about an axis parallel to the direction of air flow and its blades move through the path of air flow to prevent the accumulation of material on the blades.

REFERENCES:
patent: 3329418 (1967-07-01), Stephanoff
patent: 4062128 (1977-12-01), Bledsoe

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