Classifying – separating – and assorting solids – Fluid suspension – Gaseous
Patent
1996-10-01
1999-03-30
Nguyen, Tuan N.
Classifying, separating, and assorting solids
Fluid suspension
Gaseous
2091391, 209153, 209710, B07B 400
Patent
active
058877258
ABSTRACT:
A raw material is dispersed around a rotating separator main body having a plurality of classifying blades annularly arranged on the main body and is exposed on a rising flow of classifying air so as to sift off crude powder which cannot be entrained on the flow of the classifying air. The remaining raw material entrained on the classifying air is peripherally introduced into the separator main body for classification into fine and crude powders, the fine power being the powder which is allowed to pass through the classifying blades while the crude powder is the powder which is not allowed to pass. A dispersion plate is arranged between the separator main body and a raw material inlet above the separator main body to receive and disperse the raw material from the inlet. The dispersion plate is rotatable at number of revolutions different from that of the separator main body. Thus, the dispersion plate can be set at proper number of revolutions independently of number of revolutions of the separator main body required for classification.
REFERENCES:
patent: 4818376 (1989-04-01), Tanaka et al.
patent: 5024754 (1991-06-01), Patzelt et al.
patent: 5232096 (1993-08-01), Weit
Patent Abstracts of Japan, vol. 95, No. 4, May 31, 1995, JP-A-07 016539, Jan. 20, 1995.
Patent Abstracts of Japan, vol. 17, No. 388 (C-1086), Jul. 21, 1993, JP-A-05 068948, Mar. 23, 1993.
E. Onuma, et al., Zement-Kalk-Gips, pp. 535-543, 1994, "Separators in Grinding Circuits".
Mukai Shingo
Tominaga Satoshi
Ishikawajima-Harima Jukogyo Kabushiki Kaisha
Nguyen Tuan N.
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