Internal dust recirculation system for a fluidized bed heat exchanger
Patent
·
OSTI ID:863821
- Wayne, NJ
- Morristown, NJ
A fluidized bed heat exchanger in which air is passed through a bed of particulate material containing fuel disposed in a housing. A steam/water natural circulation system is provided in a heat exchange relation to the bed and includes a steam drum disposed adjacent the bed and a tube bank extending between the steam drum and a water drum. The tube bank is located in the path of the effluent gases exiting from the bed and a baffle system is provided to separate the solid particulate matter from the effluent gases. The particulate matter is collected and injected back into the fluidized bed.
- Research Organization:
- Georgetown Univ
- DOE Contract Number:
- EX-76-C-01-2461
- Assignee:
- Foster Wheeler Energy Corporation (Livingston, NJ)
- Patent Number(s):
- US 4253425
- OSTI ID:
- 863821
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
internal
dust
recirculation
fluidized
bed
heat
exchanger
air
passed
particulate
material
containing
fuel
disposed
housing
steam
water
natural
circulation
provided
exchange
relation
drum
adjacent
tube
bank
extending
located
path
effluent
gases
exiting
baffle
separate
solid
matter
collected
injected
bed heat
tube bank
containing fuel
solid particulate
particulate matter
disposed adjacent
particulate material
heat exchange
fluidized bed
heat exchanger
material containing
effluent gas
exchange relation
natural circulation
steam drum
gases exiting
water natural
fuel disposed
/122/110/
dust
recirculation
fluidized
bed
heat
exchanger
air
passed
particulate
material
containing
fuel
disposed
housing
steam
water
natural
circulation
provided
exchange
relation
drum
adjacent
tube
bank
extending
located
path
effluent
gases
exiting
baffle
separate
solid
matter
collected
injected
bed heat
tube bank
containing fuel
solid particulate
particulate matter
disposed adjacent
particulate material
heat exchange
fluidized bed
heat exchanger
material containing
effluent gas
exchange relation
natural circulation
steam drum
gases exiting
water natural
fuel disposed
/122/110/