FR2438798A1 - Chambre de combustion a injection etagee du combustible - Google Patents

Chambre de combustion a injection etagee du combustible

Info

Publication number
FR2438798A1
FR2438798A1 FR7925438A FR7925438A FR2438798A1 FR 2438798 A1 FR2438798 A1 FR 2438798A1 FR 7925438 A FR7925438 A FR 7925438A FR 7925438 A FR7925438 A FR 7925438A FR 2438798 A1 FR2438798 A1 FR 2438798A1
Authority
FR
France
Prior art keywords
flow
combustion chamber
combustion zone
cooling air
air channel
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
FR7925438A
Other languages
English (en)
Other versions
FR2438798B1 (fr
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.)
General Electric Co
Original Assignee
General Electric 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 General Electric Co filed Critical General Electric Co
Publication of FR2438798A1 publication Critical patent/FR2438798A1/fr
Application granted granted Critical
Publication of FR2438798B1 publication Critical patent/FR2438798B1/fr
Granted legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
    • F23R3/00—Continuous combustion chambers using liquid or gaseous fuel
    • F23R3/002—Wall structures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
    • F23R3/00—Continuous combustion chambers using liquid or gaseous fuel
    • F23R3/28—Continuous combustion chambers using liquid or gaseous fuel characterised by the fuel supply
    • F23R3/34—Feeding into different combustion zones
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
    • F23R3/00—Continuous combustion chambers using liquid or gaseous fuel
    • F23R3/28—Continuous combustion chambers using liquid or gaseous fuel characterised by the fuel supply
    • F23R3/36—Supply of different fuels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
    • F23R2900/00—Special features of, or arrangements for continuous combustion chambers; Combustion processes therefor
    • F23R2900/00002—Gas turbine combustors adapted for fuels having low heating value [LHV]
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
    • F23R2900/00—Special features of, or arrangements for continuous combustion chambers; Combustion processes therefor
    • F23R2900/00005—Preventing fatigue failures or reducing mechanical stress in gas turbine components

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Eletrric Generators (AREA)
  • Engine Equipment That Uses Special Cycles (AREA)
  • Feeding And Controlling Fuel (AREA)

Abstract

Chambre capable de brûler comme combustible primaire du gaz à faible pouvoir calorifique. Elle comprend : - un dispositif d'alimentation en combustible qui introduit du gaz combustible à l'extrémité amont d'une zone pilote de combustion 102 dont l'extrémité aval est reliée à la zone principale de combustion 32; l'extrémité aval de la zone principale de combustion possède un passage 54 qui amène à la turbine à gaz les produits de la combustion; - une paroi extérieure, ou enveloppe 42, pour la chambre de combustion; - une première chemise 44, à l'intérieur de l'enveloppe de la chambre de combustion délimitant la zone principale de combustion et un premier canal d'air de refroidissement 63 capable de recevoir un flux d'air circulant à contre-courant du flux dans la zone principale de combustion; - une alimentation en air 150 qui introduit de l'air dans la chambre de combustion; - une seconde chemise 112 à l'intérieur de l'enveloppe de la chambre de combustion, délimitant un second canal d'air de refroidissement 163 capable de recevoir un flux d'air circulant à contre-courant du flux dans la zone pilote de combustion; l'extrémité aval de ce second canal d'air de refroidissement étant reliée à l'extrémité amont du premier canal d'air de refroidissement. Application aux machines combinées turbine à gaz/turbine à vapeur.
FR7925438A 1978-10-13 1979-10-12 Chambre de combustion a injection etagee du combustible Granted FR2438798A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/951,181 US4253301A (en) 1978-10-13 1978-10-13 Fuel injection staged sectoral combustor for burning low-BTU fuel gas

Publications (2)

Publication Number Publication Date
FR2438798A1 true FR2438798A1 (fr) 1980-05-09
FR2438798B1 FR2438798B1 (fr) 1985-01-04

Family

ID=25491380

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7925438A Granted FR2438798A1 (fr) 1978-10-13 1979-10-12 Chambre de combustion a injection etagee du combustible

Country Status (9)

Country Link
US (1) US4253301A (fr)
JP (1) JPS5577639A (fr)
CH (1) CH650582A5 (fr)
DE (1) DE2940431A1 (fr)
FR (1) FR2438798A1 (fr)
GB (1) GB2032092B (fr)
IT (1) IT1163719B (fr)
NL (1) NL7906127A (fr)
NO (1) NO152628C (fr)

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US3934409A (en) * 1973-03-13 1976-01-27 Societe Nationale D'etude Et De Construction De Moteurs D'aviation Gas turbine combustion chambers
US3925002A (en) * 1974-11-11 1975-12-09 Gen Motors Corp Air preheating combustion apparatus
FR2295235A1 (fr) * 1974-12-18 1976-07-16 United Technologies Corp Chambre de combustion
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Publication number Publication date
DE2940431A1 (de) 1980-04-30
JPS5577639A (en) 1980-06-11
FR2438798B1 (fr) 1985-01-04
NL7906127A (nl) 1980-04-15
CH650582A5 (de) 1985-07-31
NO152628C (no) 1985-10-23
GB2032092B (en) 1982-12-22
NO152628B (no) 1985-07-15
IT1163719B (it) 1987-04-08
US4253301A (en) 1981-03-03
IT7926091A0 (it) 1979-09-28
NO793290L (no) 1980-04-15
GB2032092A (en) 1980-04-30

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