Fluidized bed apparatus

Details Fluidized bed apparatus Fluidized bed apparatus

1977-03-11

1978-08-08

Lindsay, Jr., Robert L.

Gas: heating and illuminating

Generators

23288S, 48101, 48120, 110244, 201 31, 202134, C10J 354

Patent

active

041054199

ABSTRACT:
A fluidized bed apparatus suitable for the combustion of fuel has a baffle assembly arranged in the freeboard above the fluidized bed level. The assembly is in the form of a perforate duct which defines within it a passage connecting with the gas exit of the apparatus. Gases issuing from the bed, in use, and carrying bed material impinge upon the duct and are arranged to follow a vortical path around the duct, resulting in a deceleration of the particles which fall back into the bed. The gases pass into the duct for exhaust substantially free from contamination by bed material. The baffle assembly is of particular value where a gas flows horizontally to a gas exit and prevents or substantially reduces elutriation.

REFERENCES:
patent: 3169835 (1965-02-01), Huntley et al.
patent: 3851406 (1974-12-01), Dumitru et al.
patent: 3983931 (1976-10-01), Whitehead et al.

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