Method and apparatus for operating a circulating fluidized bed r

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

1993-09-22

1995-06-20

Chambers, A. Michael

Heat exchange

Regenerator

Checker brick structure

16510416, 16510418, F28D 1500

Patent

active

054254124

ABSTRACT:
A circulating fluidized bed (CFB) system and method of operation provide for improved heat recovery. One or more return ducts from a particle separator attached to the combustion chamber have a heat transfer section with heat transfer surfaces. Low velocity fluidizing gas is introduced into a bed of particles having distinct heat transfer and particle transport sections to fluidize the bed, and transporting gas is separately introduced to transport a desired rate of particles from the bed to the combustion chamber through a solid particle inlet which is below the top surface of the bed of particles. Barriers are established which prevent the transporting gas from interfering with heat transfer in the heat transfer section.

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