Method for gasifying a material using a circulating fluidized be

Details Method for gasifying a material using a circulating fluidized be Method for gasifying a material using a circulating fluidized be

1985-04-19

1987-08-04

Kratz, Peter

Gas: heating and illuminating

Processes

Fuel mixtures

48206, 48DIG4, 110347, C10J 354

Patent

active

046843752

ABSTRACT:
Method and installation for processing a material in a circulating fluidized bed, in which, in the filtration compartment (4) traversed by the fluidization gas at a speed which is so regulated as to put into suspension only the particles having dimensions smaller than a given limit, the unburnt largest particles (25) which are recovered and are directly recycled in the fluidized bed (21) and the fine particles (24) are subjected in an adjacent compartment (5) to a processing for agglomerating the ashes by forming in the processing compartment (5) a high temperature zone (96), the agglomerated ashes (26) being withdrawn at the base of the processing compartment (5) and the unburnt fine particles (27) being returned to fluidized bed (21) through a recycling circuit (54).

REFERENCES:
patent: 3884649 (1975-05-01), Matthews
patent: 3971639 (1976-07-01), Matthews
patent: 4276062 (1981-06-01), Lyon et al.
Baur, "Multisolid Fluidized-Bed Combustor Meets Industry Needs", Power, vol. 127, No. 3, Mar. 1983, pp. 128-129.

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