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Patent Searching and Data


Title:
STEAM POWER PLANT
Document Type and Number:
Japanese Patent JP2002147710
Kind Code:
A
Abstract:

To prevent veporization of feedwater in piping in the case where the pressure of a deaerator in a steam power plant is lowered.

The steam power plant is provided with a boiler for generating steam, a steam turbine which is driven by the steam fed from the boiler, a condenser 8 to produce condensate by condensing the exhaust gas from the steam turbine, a deaerator 1 for heating and degasifying the condensate, and a water feeding system for supplying feedwater to the boiler from the deaerator 1 through a downcomer 2. The water feeding system is provided with a feedwater pump 5, a booster pump 3 disposed between the suction portion of the feedwater pump 5 and the downcomer 2, and a connecting pipe 6 for the condenser, which diverges between the discharge portion of the feedwater pump 5 and the boiler and is directed to the condenser.


Inventors:
ISHIDA MAKOTO
Application Number:
JP2000338436A
Publication Date:
May 22, 2002
Filing Date:
November 07, 2000
Export Citation:
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Assignee:
TOSHIBA CORP
International Classes:
F01K9/00; F22D5/32; F22D11/00; F22D11/06; (IPC1-7): F22D5/32; F01K9/00; F22D11/00; F22D11/06
Attorney, Agent or Firm:
Shoko Inomata (1 person outside)