START BYPASS SYSTEM IN STEAM POWER GENERATION FACILITY AND ITS OPERATING METHOD

Title:

START BYPASS SYSTEM IN STEAM POWER GENERATION FACILITY AND ITS OPERATING METHOD

Document Type and Number:

Japanese Patent JP2009293871

Kind Code:

A

Abstract:

To shorten a time from ignition of a boiler to ventilation to a turbine, to correctly operate a start bypass system as a whole in safety and to reduce heat loss by recovering heat by disposing valves in a bypass and independently adjusting the same.

This start bypass system comprises: the boiler 1; a primary superheater (primary SH) 3 disposed downstream of the boiler 1; a secondary superheater (secondary SH) 4 disposed downstream of the primary superheater; a flash tank 5 disposed between the primary superheater (primary SH) 3 and the secondary superheater (secondary SH) 4; a primary SH bypass valve (CV-2A/B) 17 disposed between the boiler 1 and the flash tank 5, and a secondary SH bypass valve (CV-3) 18 disposed between the primary superheater (primary SH) 3 and the flash tank 5.

Inventors:

MATSUI MICHIHIRO
SATO TAKAAKI
SUGINO YASUYUKI

Application Number:

JP2008148675A

Publication Date:

December 17, 2009

Filing Date:

June 06, 2008

Export Citation:

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Assignee:

CHUGOKU ELECTRIC POWER

International Classes:

F22B35/14; F01D19/00

Domestic Patent References:

JPS61213403A	1986-09-22
JPH01212802A	1989-08-25

Attorney, Agent or Firm:

Yoshiaki Takemasa
Field saki Akira

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