Apparatus for classifying dust materials

Details Apparatus for classifying dust materials Apparatus for classifying dust materials

1979-10-19

1981-05-12

Hill, Ralph J.

Classifying, separating, and assorting solids

Fluid suspension

Gaseous

209141, 209154, B07B 704

Patent

active

042666732

ABSTRACT:
An apparatus for separating fine dust particles from coarse dust particles, such as are present in hot filling powders for pit furnaces for the production of electrodes by aluminium fusion electrolysis, comprises a first separator with an adjustable separation gap, arranged inside a bin on an intermediate bottom, which is preferably slanted, dividing the bin into an upper chamber and a lower chamber. The air flow is sustained by a fan connected with its discharge side to the lower chamber. The suction side of the fan is connected to the upper chamber through a further separator for the fine particles and through respective pipes. Preferably the suction return path through the pipes and the further separator leads through a further collector.

REFERENCES:
patent: 1877861 (1932-09-01), Hatch
patent: 2638217 (1953-05-01), Niemitz
patent: 3278026 (1966-10-01), Bishard
patent: 3655043 (1972-04-01), Wochnowski et al.

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