Method and apparatus for operating a circulating fluidized bed s

Details Method and apparatus for operating a circulating fluidized bed s Method and apparatus for operating a circulating fluidized bed s

1992-11-10

1994-08-30

Favors, Edward G.

Liquid heaters and vaporizers

Miscellaneous

110245, 16510416, 422146, B09B 300, F22B 100

Patent

active

053417666

ABSTRACT:
In association with a circulating fluidized bed reactor, a bed of particles is established in the return duce for particles from the particle separator to the combustion chamber. Inlet openings extend from the bed of particles into the combustion chamber, and the height of the particle bed is maintained above the inlet openings a sufficient distance to form a gas seal. The particles in the bed are fludized, and also transporting nozzles are arranged at different levels for transporting the particles from the bed through the inlet openings into the combustion chamber. Heat exhangers (e.g. superheaters) may be provided in the bed to recover heat from the particles.

REFERENCES:
patent: 4915061 (1990-04-01), Garcia-Mallol
patent: 4951612 (1990-08-01), Gorzegno
patent: 5025755 (1991-06-01), Eickvonder et al.
patent: 5040492 (1991-08-01), Dietz
patent: 5060599 (1991-10-01), Chambert
patent: 5069170 (1991-12-01), Gorzegno et al.

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