GB976618A - Supercritical vapour generators - Google Patents

Supercritical vapour generators

Info

Publication number
GB976618A
GB976618A GB45226/63A GB4522663A GB976618A GB 976618 A GB976618 A GB 976618A GB 45226/63 A GB45226/63 A GB 45226/63A GB 4522663 A GB4522663 A GB 4522663A GB 976618 A GB976618 A GB 976618A
Authority
GB
United Kingdom
Prior art keywords
passes
furnaces
gas
flows
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
GB45226/63A
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.)
Amec Foster Wheeler Holdings Ltd
Original Assignee
Amec Foster Wheeler Holdings 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 Amec Foster Wheeler Holdings Ltd filed Critical Amec Foster Wheeler Holdings Ltd
Publication of GB976618A publication Critical patent/GB976618A/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
    • F22B33/00—Steam-generation plants, e.g. comprising steam boilers of different types in mutual association
    • 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
    • F22B29/067—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 at critical or supercritical pressure
    • 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)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Control Of Steam Boilers And Waste-Gas Boilers (AREA)
  • Engine Equipment That Uses Special Cycles (AREA)

Abstract

976,618. Forced flow steam boilers. FOSTER WHEELER Ltd. Nov. 15, 1963 [Nov. 15, 1962], No. 45226/63. Heading F4A. A forced flow, once through steam boiler operating at supercritical pressure and with two stages of reheat comprises first and second upright, tube-lined furnaces from each of which lead first and second gas passes, superheaters being located in both of the first gas passes and reheaters in both said second passes, means being provided to control the gas flows through the passes rnd separately to regulate the rate of firing of both furnaces to maintain the superheat and reheat temperatures constant over a wide load range. In the form shown the unit comprises parallel upright furnaces 12, 14 lined with generating tubes 16, 18 respectively. Gas passes 20, 22 and 24, 26 lead respectively from the furnaces 12, 14, the left-hand passes 20, 24 housing superheater sections 28, 30 and the right-hand passes 22, 26 housing first stage and second stage reheaters 32, 34 respectively. The two furnaces are separately fired by burners 96 whilst the gas flows through the passes are controlled by outlet dampers such as 90, 92, Fig. 2. Steam flows from the superheaters 28, 30 to a mixing header 48 and thence to the highpressure turbine 36. The exhaust steam flows to headers 54, 56 and thence through pipes 58, 60 lining the gas pass walls, pipes 58a, 60a passing across the furnace roofs where they are exposed to radiant heat and pipes 58b, 60b lining the walls of the passes 22, 26 to headers 66, 68 whence it flows through a line 69 to and through the reheater 32 to return to an intermediate turbine 38. Exhaust from this turbine is reheated in the reheater 34 and returned to the low-pressure turbine 42. Steam temperatures are held constant over a wide load range by differentially firing the furnaces and proportioning the gases from each between the two associated gas passes.
GB45226/63A 1962-11-15 1963-11-15 Supercritical vapour generators Expired GB976618A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US237982A US3166909A (en) 1962-11-15 1962-11-15 Vapor generator

Publications (1)

Publication Number Publication Date
GB976618A true GB976618A (en) 1964-12-02

Family

ID=22896007

Family Applications (1)

Application Number Title Priority Date Filing Date
GB45226/63A Expired GB976618A (en) 1962-11-15 1963-11-15 Supercritical vapour generators

Country Status (2)

Country Link
US (1) US3166909A (en)
GB (1) GB976618A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1557209A (en) * 1976-06-05 1979-12-05 Foster Wheeler Power Prod Steam boiler

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2649079A (en) * 1949-01-28 1953-08-18 Combustion Eng Steam generator and superheat-reheat control means therefor
US2901887A (en) * 1953-10-31 1959-09-01 Sulzer Ag System for starting and temporarily taking the load off a steam power plant having multistage reheating

Also Published As

Publication number Publication date
US3166909A (en) 1965-01-26

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