Title:
REHEAT TYPE COMBINED CYCLE PLANT
Document Type and Number:
Japanese Patent JPH04269307
Kind Code:
A
Abstract:
PURPOSE:To prevent sudden temperature variation of inflow steam to a reheat turbine at starting, in a reheat type combined cycle plant in which reheat steam generated in a plurality of exhaust heat recovery boilers is supplied to one reheat turbine. CONSTITUTION:On the inlets or outlets of reheaters 10, 11 of respective exhaust heat recovery boilers, shut-off valves 12, 13 which are programingly operated to open corresponding to closing operation of high pressure main steam bypass valves are provided. Further, on the outlet parts of respective reheaters, desuperheaters 18, 19 to adjust reheat steam temperature with a temperature control device 26 for high temperature reheat steam are provided.
Inventors:
MOCHIDA NAOTAKE
KAKIZAKI FUSAJI
KAKIZAKI FUSAJI
Application Number:
JP3037291A
Publication Date:
September 25, 1992
Filing Date:
February 25, 1991
Export Citation:
Assignee:
TOSHIBA CORP
International Classes:
F01D19/00; F01K7/24; F01K23/10; (IPC1-7): F01D19/00; F01K7/24; F01K23/10
Attorney, Agent or Firm:
Kazuo Sato (3 others)