Fluidized bed apparatus

Details Fluidized bed apparatus Fluidized bed apparatus

1989-05-10

1990-10-30

Yuen, Henry C.

Liquid heaters and vaporizers

Miscellaneous

110245, 432 58, F22B 102

Patent

active

049661019

ABSTRACT:
A fluidized bed combustion apparatus has a gas dispersion plate provided in a lower part of a fluidizing chamber on which fluidizing mediums are fluidized to form a fluidized bed in which a fuel is combusted. The apparatus further includes a porous ceramic member so mounted in a combusted gas outlet of the fluidizing chamber as to transverse the outlet. Coating materials having a high radiation rate are applied on an inner wall surface of the fluidizing chamber and on the porous ceramic member surface directed to the fluidizing chamber. The porous ceramic member is perforated with holes each having a diameter larger than a particle diameter of a fluidizing medium. The apparatus is equipped with a unit for back-washing the filter. The apparatus also includes a plate, provided downwardly of the filter, for capturing the particles scattered from the fluidized bed. A fluidized bed type reforming furnace has a plurality of catalyst tubes arranged in vertical and horizontal direction while taking a horizontal posture in the fluidizing chamber positioned upwardly of the gas dispersion plate.

REFERENCES:
patent: 4279207 (1981-07-01), Wormser
patent: 4499857 (1985-02-01), Wormser
patent: 4768468 (1988-09-01), Idei et al.
patent: 4800846 (1989-01-01), Idei et al.

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