Combined plant having steam turbine and gas turbine connected by single shaft
Patent
·
OSTI ID:6479407
A combined plant including a gas turbine, a steam turbine and a waste heat recovery boiler using exhaust gases of the gas turbine as a heat source for producing steam serving as a drive source of the steam turbine further includes an ancillary steam source separate from and independent of the waste heat recovery boiler. At the time of startup of the plant, steam from the ancillary steam source is introduced into the steam turbine until the conditions for feeding air to the waste heat recovery boiler are set, to thereby avoid overheating of the steam turbine due to a windage loss.
- Assignee:
- Hitachi Ltd. (Japan)
- Patent Number(s):
- US 4519207
- OSTI ID:
- 6479407
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
20 FOSSIL-FUELED POWER PLANTS
200104* -- Fossil-Fueled Power Plants-- Components
BOILERS
COMBINED-CYCLE POWER PLANTS
CONTROL EQUIPMENT
ENERGY RECOVERY
EQUIPMENT
EXHAUST GASES
FLUIDS
GAS TURBINES
GASEOUS WASTES
GASES
HEAT RECOVERY
MACHINE PARTS
MACHINERY
POWER PLANTS
RECOVERY
SHAFTS
STEAM GENERATORS
STEAM TURBINES
THERMAL POWER PLANTS
TURBINES
TURBOMACHINERY
VAPOR GENERATORS
WASTE HEAT UTILIZATION
WASTE PRODUCT UTILIZATION
WASTES
200104* -- Fossil-Fueled Power Plants-- Components
BOILERS
COMBINED-CYCLE POWER PLANTS
CONTROL EQUIPMENT
ENERGY RECOVERY
EQUIPMENT
EXHAUST GASES
FLUIDS
GAS TURBINES
GASEOUS WASTES
GASES
HEAT RECOVERY
MACHINE PARTS
MACHINERY
POWER PLANTS
RECOVERY
SHAFTS
STEAM GENERATORS
STEAM TURBINES
THERMAL POWER PLANTS
TURBINES
TURBOMACHINERY
VAPOR GENERATORS
WASTE HEAT UTILIZATION
WASTE PRODUCT UTILIZATION
WASTES