GB1008794A - Forced flow vapour generators - Google Patents

Forced flow vapour generators

Info

Publication number
GB1008794A
GB1008794A GB29031/62A GB2903162A GB1008794A GB 1008794 A GB1008794 A GB 1008794A GB 29031/62 A GB29031/62 A GB 29031/62A GB 2903162 A GB2903162 A GB 2903162A GB 1008794 A GB1008794 A GB 1008794A
Authority
GB
United Kingdom
Prior art keywords
valve
pressure
july
seat
division
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
GB29031/62A
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.)
Sulzer AG
Original Assignee
Sulzer AG
Sulzer Freres SA
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 Sulzer AG, Sulzer Freres SA filed Critical Sulzer AG
Publication of GB1008794A publication Critical patent/GB1008794A/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
    • F22B29/02—Steam boilers of forced-flow type of forced-circulation type
    • 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
    • F01K3/00—Plants characterised by the use of steam or heat accumulators, or intermediate steam heaters, therein
    • F01K3/18—Plants characterised by the use of steam or heat accumulators, or intermediate steam heaters, therein having heaters
    • F01K3/20—Plants characterised by the use of steam or heat accumulators, or intermediate steam heaters, therein having heaters with heating by combustion gases of main boiler
    • F01K3/22—Controlling, e.g. starting, stopping
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B35/00—Control systems for steam boilers
    • F22B35/06—Control systems for steam boilers for steam boilers of forced-flow type
    • F22B35/10—Control systems for steam boilers for steam boilers of forced-flow type of once-through type
    • F22B35/12—Control systems for steam boilers for steam boilers of forced-flow type of once-through type operating at critical or supercritical pressure
    • F22B35/125—Control systems for steam boilers for steam boilers of forced-flow type of once-through type operating at critical or supercritical pressure operating with superimposed recirculation during starting or low load periods, e.g. composite boilers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B35/00—Control systems for steam boilers
    • F22B35/06—Control systems for steam boilers for steam boilers of forced-flow type
    • F22B35/14—Control systems for steam boilers for steam boilers of forced-flow type during the starting-up periods, i.e. during the periods between the lighting of the furnaces and the attainment of the normal operating temperature of the steam boilers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22G—SUPERHEATING OF STEAM
    • F22G5/00—Controlling superheat temperature
    • F22G5/02—Applications of combustion-control devices, e.g. tangential-firing burners, tilting burners

Landscapes

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

Abstract

1,008,794. Valves. SULZER FRERES S.A. July 27, 1962 [July 27, 1961], No. 29031/62. Heading F2V. [Also in Division F4A] A check valve which is stated to be suitable for installation in a water recirculation line of a steam generator (see Division F4), has a valve member 104 which rests by its own weight on the seating face 106. When flow occurs through the valve in the direction indicated, the valve 104 is lifted off its seat. A connection line 110 from the outlet pipe 102 transmits the downstream pressure to the rear of the valve and closes it when pressure conditions are such as to induce reverse flow. To prevent chattering of the valve on its seat when the pressure difference across the valve is small or fluctuating control means may be used which measures this pressure differential and at a selected value actuates a motor to drive a rod 108 into contact with the valve member 104 so as to close the valve positively. Specification 1,008,795 is referred to.
GB29031/62A 1961-07-27 1962-07-27 Forced flow vapour generators Expired GB1008794A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US127216A US3187727A (en) 1961-07-27 1961-07-27 Steam generator

Publications (1)

Publication Number Publication Date
GB1008794A true GB1008794A (en) 1965-11-03

Family

ID=22428918

Family Applications (1)

Application Number Title Priority Date Filing Date
GB29031/62A Expired GB1008794A (en) 1961-07-27 1962-07-27 Forced flow vapour generators

Country Status (3)

Country Link
US (1) US3187727A (en)
CH (1) CH396037A (en)
GB (1) GB1008794A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4237825A (en) * 1978-11-06 1980-12-09 Combustion Engineering, Inc. Furnace heat absorption control

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2495324A (en) * 1943-08-02 1950-01-24 Clayton Manufacturing Co Fluid pressure operated valve
GB719753A (en) * 1951-10-23 1954-12-08 Siemens Ag Improvements in or relating to forced through-flow boilers
US2849990A (en) * 1954-12-20 1958-09-02 Railway Steam Res Corp Electrical safety device for steam boilers
GB768201A (en) * 1955-03-24 1957-02-13 Babcox & Wilcox Ltd Improvements relating to forced flow once through tubulous vapour generating and superheating units and to the starting of turbines arranged to be supplied with vapour from such units
GB831175A (en) * 1957-02-07 1960-03-23 Sulzer Ag Apparatus and method for controlling a forced flow once-through steam generator
US3105468A (en) * 1958-09-25 1963-10-01 Stone J & Co Ltd Liquid regulators for boilers

Also Published As

Publication number Publication date
US3187727A (en) 1965-06-08
CH396037A (en) 1965-07-31

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