Air classifying process and air classifier

Details Air classifying process and air classifier Air classifying process and air classifier

1987-05-29

1989-09-26

Reeves, Robert B.

Classifying, separating, and assorting solids

Fluid suspension

Gaseous

209144, 209148, B07B 7083

Patent

active

048697869

ABSTRACT:
The invention relates to a process and to an air classifier for the separation of classifying material into coarse material and fine material. Known air classifiers suffer from considerable deficiencies with regards to the throughput and the separation efficiency. To avoid this, the invention provides for the performance of a separate reclassification, which takes place in the same way as the pre-classification, whilst incorporating mechanical centrifugal rejection of coarse material particles, particularly through the impact ledges of a centrifuge basket.

REFERENCES:
patent: 1746686 (1930-02-01), Sturtevant
patent: 4388183 (1983-06-01), Thomas
patent: 4409097 (1983-10-01), Barthelmess
patent: 4515686 (1985-05-01), Janich
patent: 4551241 (1985-11-01), Saverse et al.
patent: 4661244 (1987-04-01), Hanke et al.

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