Process and apparatus for gasifying combustible materials

Details Process and apparatus for gasifying combustible materials Process and apparatus for gasifying combustible materials

1981-07-30

1983-09-20

Smith, William F.

Gas: heating and illuminating

Generators

Cupola

34 57A, 48 77, 110245, 201 31, 422142, 422145, C10J 356

Patent

active

044053398

ABSTRACT:
A fluidized bed apparatus and a process for the gasification of combustible materials such as biomass heavy hydrocarbon oils and coal. Two or more separate reaction zones connected in series as a closed loop are formed within a tubular housing, through which a bed of particulate heat transfer medium such as sand continuously and successively recirculates while being maintained in the fluidized state. One of the reaction zones serves as a cracking zone for the combustible material and another one of the reaction zones serves as a heat-up zone for thermally regenerating the heat transfer medium by partial or complete combustion of char produced in the cracking zone.

REFERENCES:
patent: 2521195 (1950-09-01), Wheeler, Jr.
patent: 2527197 (1950-10-01), Rollman
patent: 2527198 (1950-10-01), Rollman
patent: 2761769 (1956-09-01), Elder
patent: 3902856 (1975-09-01), Burroughs et al.
patent: 4213938 (1980-07-01), Pyzel
patent: 4271126 (1981-06-01), Marscholleh et al.
patent: 4324620 (1982-04-01), Ito et al.
patent: 4337066 (1982-06-01), Kunii
patent: 4338283 (1982-07-01), Sakamoto et al.

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