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Device for treating powder particles by rotary flow

  • US 20040168342A1
  • Filed: 01/08/2004
  • Published: 09/02/2004
  • Est. Priority Date: 10/29/2001
  • Status: Active Grant
First Claim
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1. A rotating fluidized bed apparatus for powder particle, said apparatus causing gas to flow into a cylindrical treatment chamber in which powder particles are placed via a circumferential faceplate having permeability, and discharging gas that has flowed into the treatment chamber from the treatment chamber via a bag filter, wherein a gas circulation path is formed at the periphery of the treatment chamber via the circumferential faceplate, and the circumferential faceplate is adapted to rotate about an axis.

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