JPS57179310A - Boiler change-over system for additional switching-in and disconnection in combined plant - Google Patents

Boiler change-over system for additional switching-in and disconnection in combined plant

Info

Publication number
JPS57179310A
JPS57179310A JP6341381A JP6341381A JPS57179310A JP S57179310 A JPS57179310 A JP S57179310A JP 6341381 A JP6341381 A JP 6341381A JP 6341381 A JP6341381 A JP 6341381A JP S57179310 A JPS57179310 A JP S57179310A
Authority
JP
Japan
Prior art keywords
pressure
outputs
valve
controllers
fed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP6341381A
Other languages
Japanese (ja)
Other versions
JPS6239655B2 (en
Inventor
Noritaka Ishibashi
Norio Kichijima
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Priority to JP6341381A priority Critical patent/JPS57179310A/en
Publication of JPS57179310A publication Critical patent/JPS57179310A/en
Publication of JPS6239655B2 publication Critical patent/JPS6239655B2/ja
Granted legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K23/00—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids
    • F01K23/02—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled
    • F01K23/06—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle
    • F01K23/10—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle with exhaust fluid of one cycle heating the fluid in another cycle
    • F01K23/101—Regulating means specially adapted therefor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00—Combustion technologies with mitigation potential
    • Y02E20/16—Combined cycle power plant [CCPP], or combined cycle gas turbine [CCGT]

Abstract

PURPOSE:To increase and decrease the number of operated boilers safely and securely by causing a turbine bypass control system, a boiler stop valve control system and a steam-regulating valve inlet pressure control system to cooperate with each other so as to change the total output of the plant in accordance with the starting of an additional boiler and the stopping thereof. CONSTITUTION:When applying to a plant wherein steams from three boilers 1 are fed to one turbine, a control device is provided which comprises a pressure controller 9 to control each turbine bypass valve 11 individually and a common pressure controller 13, and controls the valve 11 by an output from a high-signal selector 10 which is fed with the outputs from the controllers 9, 13. Each of the controllers 9, 13 is fed with pressure set points according to outputs from a transmitter of the input pressure of a steam regulating valve 3, minimum and maximum pressure setters 21 and 23 and a common pressure setter 16. Also provided is a control device which controls a boiler stop valve 2 by the outputs from high-speed and low-speed on-off controllers 25, 26. Further provided is a control device which incorporates a pressure controller 34 to control the steam regulating valve 3 by the outputs from a pressure transmitter 12, a pressure setter 33 and the like.
JP6341381A 1981-04-28 1981-04-28 Boiler change-over system for additional switching-in and disconnection in combined plant Granted JPS57179310A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6341381A JPS57179310A (en) 1981-04-28 1981-04-28 Boiler change-over system for additional switching-in and disconnection in combined plant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6341381A JPS57179310A (en) 1981-04-28 1981-04-28 Boiler change-over system for additional switching-in and disconnection in combined plant

Publications (2)

Publication Number Publication Date
JPS57179310A true JPS57179310A (en) 1982-11-04
JPS6239655B2 JPS6239655B2 (en) 1987-08-24

Family

ID=13228573

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6341381A Granted JPS57179310A (en) 1981-04-28 1981-04-28 Boiler change-over system for additional switching-in and disconnection in combined plant

Country Status (1)

Country Link
JP (1) JPS57179310A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61105003A (en) * 1984-10-25 1986-05-23 ウエスチングハウス　エレクトリック　コ−ポレ−ション Method and device for connecting boiler to pressurized steamsupply line in fluid manner
JPS63121207U (en) * 1987-01-30 1988-08-05
JPH0297801A (en) * 1988-10-04 1990-04-10 Babcock Hitachi Kk Method for bleeding auxiliary steam from exhaust heat recovery boiler
JP2017031859A (en) * 2015-07-31 2017-02-09 三菱日立パワーシステムズ株式会社 Combined cycle power plant and control method thereof
JP2020173063A (en) * 2019-04-11 2020-10-22 株式会社テイエルブイ Air sending system

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61105003A (en) * 1984-10-25 1986-05-23 ウエスチングハウス　エレクトリック　コ−ポレ−ション Method and device for connecting boiler to pressurized steamsupply line in fluid manner
JPS63121207U (en) * 1987-01-30 1988-08-05
JPH0297801A (en) * 1988-10-04 1990-04-10 Babcock Hitachi Kk Method for bleeding auxiliary steam from exhaust heat recovery boiler
JP2949287B2 (en) * 1988-10-04 1999-09-13 バブコツク日立株式会社 Auxiliary steam extraction method for waste heat recovery boiler
JP2017031859A (en) * 2015-07-31 2017-02-09 三菱日立パワーシステムズ株式会社 Combined cycle power plant and control method thereof
JP2020173063A (en) * 2019-04-11 2020-10-22 株式会社テイエルブイ Air sending system

Also Published As

Publication number Publication date
JPS6239655B2 (en) 1987-08-24

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