JPS59131908U

JPS59131908U - Combined cycle power plant

Info

Publication number: JPS59131908U
Application number: JP2573783U
Authority: JP
Inventors: 大貫　俊夫
Original assignee: 株式会社東芝
Priority date: 1983-02-25
Filing date: 1983-02-25
Publication date: 1984-09-04

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

図面はこの考案のコンバインドサイクル発電プラントの
一実施例を示す系統図である。１０・・・ガスタービンプラント、１１・・・蒸気ター
ビンプラント、１３・・・圧縮器、１４・・・燃焼器、
１５・・・ガスタービン、１６．３２・・・発電機、１
８・・・排熱回収ボイラ、１９・・・煙突、２０・・・
蒸気タービン、２２，２２ａ、２２ｂ・・・低圧エコノ
マイザ、２３・・・低圧エバポレータ、２４・・・高圧
エコノマイザ、２５・・・高圧エバポレータ、２６・・
・過熱器、２７・・・低圧ドラム、２８・・・低圧主蒸
気管、３０・・・高圧ドラム、３１・・・高圧主蒸気管
、３３・・・復水器、３５・・・復水系統、３６・・・
給水系統、３７・・・脱気器、３８・・・復水配管、３
９・・・復水ポンプ、４０・・・熱交換器、４４・・・
復水バイパス系統、４８・・・給水配管、４９・・・給
水ポンプ、５２・・・給水バイパス系統、５４・・・バ
イパス弁、５５．５６・・・給水弁、５９・・・圧力調
節弁、６０・・・検出器。The drawing is a system diagram showing an embodiment of the combined cycle power plant of this invention. 10... Gas turbine plant, 11... Steam turbine plant, 13... Compressor, 14... Combustor,
15... Gas turbine, 16.32... Generator, 1
8...Exhaust heat recovery boiler, 19...Chimney, 20...
Steam turbine, 22, 22a, 22b...Low pressure economizer, 23...Low pressure evaporator, 24...High pressure economizer, 25...High pressure evaporator, 26...
・Superheater, 27...Low pressure drum, 28...Low pressure main steam pipe, 30...High pressure drum, 31...High pressure main steam pipe, 33...Condenser, 35...Condensate System, 36...
Water supply system, 37... Deaerator, 38... Condensate piping, 3
9... Condensate pump, 40... Heat exchanger, 44...
Condensate bypass system, 48...Water supply piping, 49...Water supply pump, 52...Water supply bypass system, 54...Bypass valve, 55.56...Water supply valve, 59...Pressure control valve , 60...detector.

Claims

[Scope of utility model registration request]

A condensate bypass system comprising a gas turbine plant and a steam turbine plant, a heat exchanger capable of exchanging heat between a condensate system and a water supply system of the steam turbine plant, and bypassing the heat exchanger and a water supply system. A bypass system is connected to the condensate system and the water supply system, respectively, the water supply system is connected to a low pressure economizer of the exhaust heat recovery boiler, and the temperature of the water supplied to the low pressure economizer is adjusted depending on the type of fuel used in the gas turbine plant. In the combined cycle power generation plant, the bypass valve provided in the water supply bypass system is controlled to open and close depending on the deviation between the output of a detector provided in the water supply pipe and a preset output.