Fluidized bed heat exchanger with water cooled air distributor and dust hopper
Patent
·
OSTI ID:7147315
A fluidized bed heat exchanger is provided in which air is passed through a bed of particulate material containing fuel. A steam-water natural circulation system is provided for heat exchange and the housing of the heat exchanger has a water-wall type construction. Vertical in-bed heat exchange tubes are provided and the air distributor is water-cooled. A water-cooled dust hopper is provided in the housing to collect particulates from the combustion gases and separate the combustion zone from a volume within said housing in which convection heat exchange tubes are provided to extract heat from the exiting combustion gases. 4 figs.
- Assignee:
- Dorr-Oliver Inc., Stamford, CT (United States)
- Patent Number(s):
- US 4301771; A
- Application Number:
- PPN: US 6-165352
- OSTI ID:
- 7147315
- Country of Publication:
- United States
- Language:
- English
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