KR830010338A - Control system for variable pressure perfusion boiler - Google Patents

Control system for variable pressure perfusion boiler Download PDF

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Publication number
KR830010338A
KR830010338A KR1019820001958A KR820001958A KR830010338A KR 830010338 A KR830010338 A KR 830010338A KR 1019820001958 A KR1019820001958 A KR 1019820001958A KR 820001958 A KR820001958 A KR 820001958A KR 830010338 A KR830010338 A KR 830010338A
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KR
South Korea
Prior art keywords
valve
boiler
mode
control system
during operation
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KR1019820001958A
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Korean (ko)
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KR870001505B1 (en
Inventor
더. 룻셀 토마스
알. 워커 로버트
Original Assignee
원본미기재
더 뱁콕 앤드 윌콕스 캄파니
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Publication of KR830010338A publication Critical patent/KR830010338A/en
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Publication of KR870001505B1 publication Critical patent/KR870001505B1/en

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22STEAM GENERATION
    • F22BMETHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B35/00Control systems for steam boilers
    • F22B35/06Control systems for steam boilers for steam boilers of forced-flow type
    • F22B35/10Control systems for steam boilers for steam boilers of forced-flow type of once-through type
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22STEAM GENERATION
    • F22BMETHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B35/00Control systems for steam boilers
    • F22B35/06Control systems for steam boilers for steam boilers of forced-flow type
    • F22B35/10Control systems for steam boilers for steam boilers of forced-flow type of once-through type
    • F22B35/105Control systems for steam boilers for steam boilers of forced-flow type of once-through type operating at sliding pressure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01KSTEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K3/00Plants characterised by the use of steam or heat accumulators, or intermediate steam heaters, therein
    • F01K3/18Plants characterised by the use of steam or heat accumulators, or intermediate steam heaters, therein having heaters
    • F01K3/20Plants characterised by the use of steam or heat accumulators, or intermediate steam heaters, therein having heaters with heating by combustion gases of main boiler
    • F01K3/22Controlling, e.g. starting, stopping

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Control Of Steam Boilers And Waste-Gas Boilers (AREA)
  • Control Of Turbines (AREA)

Abstract

내용 없음No content

Description

가변압력형 관류보일러용 제어시스템Control system for variable pressure perfusion boiler

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명에 따른 제어시스템의 계통도,1 is a system diagram of a control system according to the present invention,

제2도는 플래시탱크(flash tank)의 압력, 노(爐)의 압력, 터어빈의 밸브위치와 트로틀압력을 나타내는 압력 또는 밸브개방율대 하중율의 도표,2 is a plot of pressure or valve opening rate versus load ratio indicating the pressure of the flash tank, the pressure of the furnace, the valve position and the throttle pressure of the turbine,

제3도는 본 발명에 따른 전체 제어시스템을 설명하는 계통도이다.3 is a schematic diagram illustrating an overall control system according to the present invention.

Claims (9)

보일러용 제어 시스템에 있어서, 상기 시스템의 제1 모우드의 작동중에 제1의 밸브가 작동 가능케하고 제2의 밸브를 상기의 제1의 밸브와 유체연결 시키되 상기 시스템의 제1 모우드 작동중에 소정 위치까지 개방되도록 작동 가능케 하며, 제3의 밸브를 상기의 제2밸브와 유체연결시키되 상기 시스템의 제2모우드 작동중에 상기 시스템에 부과된 하중에 응답하여 상기 보일러로 부터 중기유동을 변화시키는 작동을 가능케한 가변압력형 관류보일러용 제어 시스템.In a control system for a boiler, the first valve is actuated during operation of the first mode of the system and the second valve is in fluid connection with the first valve to a predetermined position during operation of the first mode of the system. Operative to open, and fluidly connect a third valve to the second valve, the act of changing medium flow from the boiler in response to a load imposed on the system during operation of the second mode of the system. Control system for variable pressure through-flow boiler. 1항에 있어서, 상기 제2밸브를 상기 시스템의 상기 보일러의 압력을 소정위치로 유지시키고 변화시키게한 가변압력형 관류보일러용 제어 시스템.The control system of claim 1, wherein the second valve maintains and changes the pressure of the boiler of the system at a predetermined position. 1항에 있어서, 상기 시스템의 제3모우드 작동중에는 제4의 밸브를 작동케하여 상기 제2밸브와 유체연결 되면서 상기 제2밸브가 상기의 소정 개방위치로 부터 더욱 개방케 되어 상기 시스템의 제3모우드 작동중에는 상기 보일러로 부터 증기유동을 변화시키게한 가변압력형 관류보일러의 제어 시스템.The system of claim 1, wherein during operation of the third mode of the system, a fourth valve is operated to be in fluid connection with the second valve, thereby allowing the second valve to open further from the predetermined open position. Control system of a variable pressure type once-through boiler that changes steam flow from the boiler during mode operation. 3항에 있어서, 상기 보일러의 입력압력이 상기 시스템의 제3모우드의 작동 중에는 전체설계의 압력으로 일정하게 유지되게한 가변압력형 관류보일러의 제어 시스템.4. The control system of claim 3 wherein the input pressure of the boiler is kept constant at the pressure of the overall design during operation of the third mode of the system. 1항에 있어서, 시스템의 매개변수를 탐지토록한 수단과 상기 시스템의 매개변수에 응답하여 상기 시스템의 작동을 변경시키는 수단을 포함하여된 가변압력형 관류보일러의 제어 시스템.The control system of a variable pressure perfusion boiler of claim 1, comprising means for detecting a parameter of the system and means for modifying operation of the system in response to the parameter of the system. 5항에 있어서, 상기 시스템의 매개변수를 처리하고 그에 응답하는 신호를 발생시켜 상기 시스템의 작동을 변경케하는 수단을 포함하여서된 가변압력형 관류 보일러용 제어 시스템.6. The control system of claim 5, comprising means for processing a parameter of the system and generating a signal in response to changing the operation of the system. 1항에 있어서, 이 시스템의 급수 수요개발 함수기가 보일러의 최소급수 소요량을 초과 할때 상기 시스템의 제2모우드 작동을 시작하며 상기 시스템이 전체의 설계압력에 도달 될때 종료되게한 가변압력형 관류 보일러용 제어 시스템.2. The variable pressure type once-through boiler of claim 1, wherein the water supply demand development function of the system initiates a second mode operation of the system when the water supply requirement exceeds the boiler's minimum water supply and is terminated when the system reaches its overall design pressure. Control system. 보일러용 제어 시스템에 있어서, 상기 시스템의 제1모우드의 작동중에 제1의 밸브가 작동 가능케 하고 제2의 밸브를 상기의 제1밸브와 유체연결 시키되 상기 시스템의 제1모우드의 작동중에 소정위치까지 개방되도록 작동가능케하며, 제3의 밸브를 상기의 제2밸브와 유체연결 시키되, 상기 시스템의 제2모우드 작동중에 상기 시스템에 부과된 하중에 응답하여 상기 보일러로 부터 증기유동을 변화시키는 작동을 하게하고, 상기 시스템의 제3모우드 작동중에는 제4의 밸브를 작동케하여 상기 제2밸브와 유체연결시키되 상기 제2밸브가 상기의 소정개방 위치로 부터 더욱 개방케 되어 상기 시스템의 제3모우드 작동 중에는 상기 보일러로 부터 증기유동을 변화시키게한 가변압력형 관류보일러의 제어 시스템.In a control system for a boiler, a first valve is actuated during operation of the first mode of the system and a second valve is fluidly connected to the first valve, to a predetermined position during operation of the first mode of the system. Operative to open and fluidly connect a third valve to the second valve, the act of changing steam flow from the boiler in response to a load imposed on the system during operation of the second mode of the system. During operation of the third mode of the system, the fourth valve is operated to be in fluid connection with the second valve, and the second valve is further opened from the predetermined opening position. Control system of a variable pressure type through-flow boiler to change the steam flow from the boiler. 보일러용 제어 시스템에 있어서, 상기 시스템의 제1모우드 작동중에는 제1의 밸브를 작동케 하고, 제2의 밸브를 제1의 밸브와 유체 연결시키되 상기 시스템의 제1모우드 작동 중에는 소정 위치까지 개방되도록 작동가능케 하며, 제3의 밸브를 제2의 밸브와 유체 연결시키되 상기 시스템의 제2모우드 작동중에 상기 시스템에 부과된 하중에 응답하여 보일러로 부터 증기의 유동을 변화시키는 작동을 가능케하여 상기 보일러의 소정 위치와 출력압력을 유지시키는 제2밸브가 제2모우드의 작동중에 변화되게 하고, 상기 시스템의 제3모우드 작동 중에는 제4의 밸브를 작동케하여 상기 제2밸브와 유체 연결시키되 상기 제2밸브가 상기의 소정개방위치로 부터 더욱 개방케되어 상기 시스템에 부과된 하중에 응답하여 상기 보일러로 부터 증기 유동을 변화시키는 동시에 제3모우드 작동 중에 상기 보일러 출력의 압력이 전체설계의 압력으로 일정하게 유지되게한 가변압력형 관류보일러용 제어 시스템.In a control system for a boiler, a first valve is operated during a first mode operation of the system, and a second valve is in fluid connection with the first valve, but is opened to a predetermined position during the first mode operation of the system. Operatively connect the third valve to the second valve and allow the operation of varying the flow of steam from the boiler in response to the load imposed on the system during operation of the second mode of the system. A second valve for maintaining a predetermined position and output pressure is changed during operation of the second mode, and during operation of the third mode of the system to operate a fourth valve to be in fluid connection with the second valve, the second valve Is further opened from the predetermined open position to change the steam flow from the boiler in response to the load imposed on the system. And at the same time a control system for a variable pressure type once-through boiler that maintains a constant pressure at the boiler output during the third mode of operation. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR8201958A 1981-05-12 1982-05-04 Control system variable pressure once-through boilers KR870001505B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US26284481A 1981-05-12 1981-05-12
US06/262,844 1981-05-12

Publications (2)

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KR830010338A true KR830010338A (en) 1983-12-30
KR870001505B1 KR870001505B1 (en) 1987-08-19

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KR8201958A KR870001505B1 (en) 1981-05-12 1982-05-04 Control system variable pressure once-through boilers

Country Status (8)

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EP (1) EP0065408B1 (en)
JP (1) JPS57198902A (en)
KR (1) KR870001505B1 (en)
AU (1) AU556280B2 (en)
CA (1) CA1211324A (en)
DE (1) DE3270729D1 (en)
ES (1) ES8400580A1 (en)
MX (1) MX152206A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1270485A1 (en) * 1983-12-06 1986-11-15 Всесоюзный Научно-Исследовательский И Проектно-Конструкторский Институт Атомного Энергетического Машиностроения Boiler
KR102210866B1 (en) * 2019-09-18 2021-02-04 한국에너지기술연구원 Generating cycle system using flash tank
CN113432105A (en) * 2021-07-14 2021-09-24 鞍山阿尔肯科技发展有限公司 Gas boiler heat energy management system under thing networking framework

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3286466A (en) * 1964-04-24 1966-11-22 Foster Wheeler Corp Once-through vapor generator variable pressure start-up system
US3572036A (en) * 1968-10-21 1971-03-23 Foster Wheeler Corp Vapor generator start-up system
US4241585A (en) * 1978-04-14 1980-12-30 Foster Wheeler Energy Corporation Method of operating a vapor generating system having integral separators and a constant pressure furnace circuitry

Also Published As

Publication number Publication date
EP0065408A2 (en) 1982-11-24
JPS57198902A (en) 1982-12-06
EP0065408A3 (en) 1983-11-16
ES512051A0 (en) 1983-11-01
DE3270729D1 (en) 1986-05-28
EP0065408B1 (en) 1986-04-23
KR870001505B1 (en) 1987-08-19
MX152206A (en) 1985-06-07
JPS6252122B2 (en) 1987-11-04
AU556280B2 (en) 1986-10-30
ES8400580A1 (en) 1983-11-01
CA1211324A (en) 1986-09-16
AU8357282A (en) 1982-11-18

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