Combined cycle power plant with circulating fluidized bed heat transfer
Patent
·
OSTI ID:5317188
A combined generating plant is disclosed utilizing a fluidized bed combustor in which coal or other carbonaceous fuel is burned at substantially atmospheric pressure, an external heat transfer unit is provided through which a portion of the hot solids of the fluidized bed is circulated through tubular channels. Clean air from an air compressor is passed through the heat exchanger unit around the outside of the tubular channels, so receiving heat through them from the hot solids circulating there-through, and is expanded in a gas turbine. The flow of hot solids through the tubular channels is controlled independently of the operation of the combustor so as to accomodate varying loads on the generating units. Steam for a other uses is generated by a conventional boiler and superheater in the combustor.
- Assignee:
- Struthers-Wells Corp.
- Patent Number(s):
- US 4406128
- OSTI ID:
- 5317188
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
20 FOSSIL-FUELED POWER PLANTS
200102* -- Fossil-Fueled Power Plants-- Power Cycles
200104 -- Fossil-Fueled Power Plants-- Components
AIR HEATERS
CARBONACEOUS MATERIALS
CIRCULATING SYSTEMS
COAL
COMBINED-CYCLE POWER PLANTS
COMBUSTORS
ENERGY SOURCES
ENERGY TRANSFER
FLUIDIZED-BED COMBUSTORS
FOSSIL FUELS
FUELS
GAS TURBINES
HEAT TRANSFER
HEATERS
MACHINERY
MATERIALS
MINERAL OILS
OILS
ORGANIC COMPOUNDS
OTHER ORGANIC COMPOUNDS
PETROLEUM
POWER PLANTS
SHALE OIL
STEAM GENERATION
THERMAL POWER PLANTS
TURBINES
TURBOMACHINERY
200102* -- Fossil-Fueled Power Plants-- Power Cycles
200104 -- Fossil-Fueled Power Plants-- Components
AIR HEATERS
CARBONACEOUS MATERIALS
CIRCULATING SYSTEMS
COAL
COMBINED-CYCLE POWER PLANTS
COMBUSTORS
ENERGY SOURCES
ENERGY TRANSFER
FLUIDIZED-BED COMBUSTORS
FOSSIL FUELS
FUELS
GAS TURBINES
HEAT TRANSFER
HEATERS
MACHINERY
MATERIALS
MINERAL OILS
OILS
ORGANIC COMPOUNDS
OTHER ORGANIC COMPOUNDS
PETROLEUM
POWER PLANTS
SHALE OIL
STEAM GENERATION
THERMAL POWER PLANTS
TURBINES
TURBOMACHINERY