Combined gas turbine and steam turbine power station
Patent
·
OSTI ID:6515973
In order to operate a gas turbine and steam turbine plant with a high temperature at the inlet to the gas turbine plant, the parts located in the hot-gas stream of the gas turbine being steam-cooled, and the cooling steam, thereby raised to a higher temperature, being fed to the steam turbine for further expansion, it is proposed that the waste heat from the gas turbine be led through a two-pressure waste heat boiler, and that the steam, generated in this boiler, be slightly superheated in a cooling-steam superheater, and fed to the hollow inlet vanes and to the rotor blades, which are likewise hollow, the steam, strongly superheated during this cooling process, then being admixed to the steam coming from the intermediate superheater, and being fed to the low-pressure section of the steam turbine.
- Assignee:
- BBC Brown, Voveri and Co. Ltd. (Switzerland)
- Patent Number(s):
- US 4424668
- OSTI ID:
- 6515973
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
20 FOSSIL-FUELED POWER PLANTS
200104* -- Fossil-Fueled Power Plants-- Components
200105 -- Fossil-Fueled Power Plants-- Heat Utilization
AIR FLOW
BOILERS
CONTROL
COOLANTS
EFFICIENCY
ENERGY
ENERGY RECOVERY
EXPANSION
FLUID FLOW
GAS FLOW
GAS TURBINE POWER PLANTS
GAS TURBINES
HEAT
HEAT RECOVERY
HEATING
MACHINERY
OPERATION
POWER PLANTS
PRESSURE DEPENDENCE
PROCESS CONTROL
RECOVERY
STEAM
STEAM GENERATION
STEAM GENERATORS
STEAM TURBINES
SUPERHEATERS
SUPERHEATING
THERMAL EXPANSION
TURBINES
TURBOMACHINERY
VAPOR GENERATORS
WASTE HEAT
WASTE HEAT UTILIZATION
WASTE PRODUCT UTILIZATION
WASTES
200104* -- Fossil-Fueled Power Plants-- Components
200105 -- Fossil-Fueled Power Plants-- Heat Utilization
AIR FLOW
BOILERS
CONTROL
COOLANTS
EFFICIENCY
ENERGY
ENERGY RECOVERY
EXPANSION
FLUID FLOW
GAS FLOW
GAS TURBINE POWER PLANTS
GAS TURBINES
HEAT
HEAT RECOVERY
HEATING
MACHINERY
OPERATION
POWER PLANTS
PRESSURE DEPENDENCE
PROCESS CONTROL
RECOVERY
STEAM
STEAM GENERATION
STEAM GENERATORS
STEAM TURBINES
SUPERHEATERS
SUPERHEATING
THERMAL EXPANSION
TURBINES
TURBOMACHINERY
VAPOR GENERATORS
WASTE HEAT
WASTE HEAT UTILIZATION
WASTE PRODUCT UTILIZATION
WASTES