B - Operations – Transporting – 07 – B
Patent
B - Operations, Transporting
07
B
209/60
B07B 11/00 (2006.01) B07B 7/08 (2006.01) B07B 7/083 (2006.01) B07B 7/086 (2006.01) B07B 9/02 (2006.01)
Patent
CA 1160993
Abstract of the Disclosure A mixture of air and particles to be classified is ejected through a nozzle located at a lower portion of a vertical housing to deposit the ejected particles on an inner surface of the housing and to convey fine particles by a whirling upward air flow. Air is ejected radially beneath the nozzle to separate fine particles from the particles deposited on the inner wall to convey upward the separated fine particles by the whirling upward air flow and to cause coarse particles to fall down to the outside of the housing. A rotating disc with vanes is disposed in an enlarged upper portion of the housing to separate fine particles to cause them to fall down. The air containing remaining fine particles is conveyed to a cyclon separator to separate the remaining fince particles. Preferably, the air discharged from the cyclon separator is circulated again through the housing and the cyclon separator. According to this invention the particles to be classified can be dispersed in the housing without using any independent dispersing device thus simplifying the particle classifying apparatus.
387556
Swabey Ogilvy Renault
Yoshimori Nobuo
LandOfFree
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