Patent Number: 6,253,465

Title: Multi-chamber fluidized bed-carrying classifier

Abstract: A multi-chamber fluidized bed classifying apparatus comprising; a main chamber having a fluidized bed arranged on wind boxes, through a perforated gas distributing plate is divided into a drying chamber and a classifying chamber by a partition plate, and a communication passage is defined under the plate. The wind boxes have respective lower ends connected to discharge devices respectively. The wind box is connected to a processing fluidization gas supply system for supplying the fluidization gas into the box, while the wind box is connected to a classifying fluidization gas supply system for supplying the fluidization gas into the box. The classifying fluidization gas supply system is provided with a flow control unit which adjusts the quantity of gas supplied into the classifying chamber to control the size of classified particles. The processing fluidization gas supply system is provided with a control unit, which adjusts the gas quantity and/or the temperature of gas supplied into the drying chamber.

Inventors: Ichitani; Noboru (Hyogo-Ken, JP), Hayashi; Isao (Takasago, JP), Murao; Mikio (Kobe, JP)

Assignee: Kawasaki Jukogyo Kabushiki Kaisha

International Classification: B01J 8/36 (20060101); B01J 8/24 (20060101); B03B 4/00 (20060101); F26B 3/02 (20060101); F26B 3/08 (20060101); F26B 021/00 ()

Expiration Date: 07/03/2018