GB1105154A - Improvements in or relating to power plants - Google Patents

Improvements in or relating to power plants

Info

Publication number
GB1105154A
GB1105154A GB26994/65A GB2699465A GB1105154A GB 1105154 A GB1105154 A GB 1105154A GB 26994/65 A GB26994/65 A GB 26994/65A GB 2699465 A GB2699465 A GB 2699465A GB 1105154 A GB1105154 A GB 1105154A
Authority
GB
United Kingdom
Prior art keywords
valve
vessel
turbine
line
steam
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.)
Expired
Application number
GB26994/65A
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.)
Babcock and Wilcox Co
Original Assignee
Babcock and Wilcox Co
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 Babcock and Wilcox Co filed Critical Babcock and Wilcox Co
Publication of GB1105154A publication Critical patent/GB1105154A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B29/00—Steam boilers of forced-flow type
    • F22B29/06—Steam boilers of forced-flow type of once-through type, i.e. built-up from tubes receiving water at one end and delivering superheated steam at the other end of the tubes
    • F22B29/12—Steam boilers of forced-flow type of once-through type, i.e. built-up from tubes receiving water at one end and delivering superheated steam at the other end of the tubes operating with superimposed recirculation during starting and low-load periods, e.g. composite boilers

Abstract

1,105,154. Raising steam in forced flow boilers. BABCOCK & WILCOX CO. 25 June, 1965 [25 June, 1964], No. 26994/65. Heading F4A. A vapour power plant comprises a turbine 36, condenser 44, hot well 12, boiler feed pump 10 and once through forced flow boiler 18 including first tube banks 14, 16, receiving vessel 22 and superheating tube banks 28, 30, the working medium flowing in series therearound during normal operation. During start up one quarter full load water flow is established through pump 10, sections 14, 16 and conduit 20 leading to vessel 22, the valve 21 effecting a pressure reduction and consequent expansion of working medium as it passes to the vessel 22. Flash steam separating in the vessel 22 is passed through superheater sections 28, 30 and since turbine valve 42 is closed to turbine by-pass line 52 and condenser 44 whilst liquid from the vessel 22 under control of valve 50 discharges to hot well 12. As firing proceeds valve 21 is opened further and when the flash steam quantity and conditions are suitable valve 42 is opened and valve 54 is closed and the turbine 36 is rolled and loaded. Make up water may be added through line 51 and additional steam for protecting the superheater tubes during start up through line 56.
GB26994/65A 1964-06-25 1965-06-25 Improvements in or relating to power plants Expired GB1105154A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US377939A US3259111A (en) 1964-06-25 1964-06-25 Start-up system for forced flow vapor generator

Publications (1)

Publication Number Publication Date
GB1105154A true GB1105154A (en) 1968-03-06

Family

ID=23491097

Family Applications (1)

Application Number Title Priority Date Filing Date
GB26994/65A Expired GB1105154A (en) 1964-06-25 1965-06-25 Improvements in or relating to power plants

Country Status (2)

Country Link
US (1) US3259111A (en)
GB (1) GB1105154A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3366093A (en) * 1966-02-28 1968-01-30 Foster Wheeler Corp Start-up system for once-through vapor generators
US3410650A (en) * 1966-08-25 1968-11-12 Bramson Maurice Apparatus for sterilizing articles and producing distilled water
US3395678A (en) * 1966-12-28 1968-08-06 Combustion Eng Steam generation and enthalphy separation of flowing supercritical pressure steam
DK118565B (en) * 1967-01-25 1970-09-07 Siemens Ag Throughput steam generator.
US3972193A (en) * 1975-01-02 1976-08-03 Foster Wheeler Energy Corporation Integral separator start-up system for a vapor generator with constant pressure furnace circuitry
JPS5674501A (en) * 1979-11-21 1981-06-20 Mitsubishi Heavy Ind Ltd Super critical pressure variable operation type forcedly once through boiler
JP2587419B2 (en) * 1987-03-11 1997-03-05 三菱重工業株式会社 Supercritical once-through boiler
DE19907451A1 (en) * 1999-02-22 2000-08-24 Abb Alstom Power Ch Ag Method for starting a once-through waste heat boiler and device for carrying out the method
US7174715B2 (en) * 2005-02-02 2007-02-13 Siemens Power Generation, Inc. Hot to cold steam transformer for turbine systems

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2989038A (en) * 1956-04-26 1961-06-20 Duerrwerke Ag Device for starting-up once-through boilers
US3021824A (en) * 1956-11-22 1962-02-20 Sulzer Ag Forced flow steam generating plant
NL232036A (en) * 1958-09-04

Also Published As

Publication number Publication date
US3259111A (en) 1966-07-05

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