Fluizided bed method and apparatus for producing a combustible g

Details Fluizided bed method and apparatus for producing a combustible g Fluizided bed method and apparatus for producing a combustible g

1982-07-20

1984-11-13

Bashore, S. Leon

Gas: heating and illuminating

Generators

Retort

48 63, 48 67, 48 73, 48197R, 48202, 48206, 422141, 422143, 422146, C10J 354, C10J 356, C10J 386

Patent

active

044823592

ABSTRACT:
A combustible gas producer plant is described in which a finely divided inert particulate material fluidized bed is divided into a first, combustible-gas producing section and a second, heating section, to both of which sections fuel is fed. Heat transfer, by bed material migration, from the second to the first section sustains the reaction in the first section leading to the production of combustible gas. A diaphragm water wall divides and surrounds the volumes above bed sections and is part of a boiler generating steam used (optionally with added oxygen) to fluidize the first bed section. The steam is also used to fluidize the bed material at the boundary of the bed sections and prevent in-bed gas migration across that boundary. The second section of the bed is fluidized with air or an air/inert gas mixture. Fluidization is effected with sparge tubes and the plant may include evaporator, superheater and economizer sections for the boiler.

REFERENCES:
patent: 2468508 (1949-04-01), Munday
patent: 2527197 (1950-10-01), Rollman
patent: 2662816 (1953-12-01), Kalbach
patent: 2973251 (1961-02-01), Sprague
patent: 4184455 (1980-01-01), Talmud
patent: 4337066 (1982-06-01), Kunii

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