Process for regulating or checking the thermal level of a pulver

Details Process for regulating or checking the thermal level of a pulver Process for regulating or checking the thermal level of a pulver

1990-06-18

1992-06-09

Konopka, Paul E.

Catalyst, solid sorbent, or support therefor: product or process

Regenerating or rehabilitating catalyst or sorbent

Gas or vapor treating

110245, 110347, 16510416, 16510418, 208164, 422144, 422146, 422198, 422201, 502 43, 502 45, 502 47, B01J 3832, B01J 3822, F28D 1300, C10G 4730

Patent

active

051206919

ABSTRACT:
A process and apparatus for the heat regulation of fluidized or fluid catalyst beds are described, the apparatus having a fluid bed heat exchanger. According to the invention, a pulverulent solid is made to flow essentially from the base of an enclosure (1) into a heat exchanger (6) having an internal separating partition (22) which defines two elongated, adjacent compartments (23, 24) communicating at their lower part. In the compartment in which the pulverulent solid flows downwards, the fluidization speed or rate is between 0.1 cm to 2 m/s, whereas in the compartment wherein the pulverulent solid rises again into the heat exchanger (6), the fluidization speed is between 0.1 and 6 m/s. The invention can be used for refining reaction (e.g., catalytic reforming), for the regeneration of a fluidized bed catalytic cracking catalyst of a petroleum or oil charge, or for the combustion of coal.

REFERENCES:
patent: 2492948 (1950-01-01), Berger
patent: 4249472 (1981-02-01), Mitchell
patent: 4364849 (1982-12-01), Vickers et al.
patent: 4430302 (1984-02-01), Krause
patent: 4439539 (1984-03-01), Lomas et al.
patent: 4578366 (1986-03-01), Cetinkaya et al.
patent: 4965232 (1990-10-01), Mauleon et al.
patent: 4971767 (1990-11-01), Ludwigsen et al.
patent: 4989669 (1991-02-01), Barnes

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