EP1714073A1 - Bruleur a premelange comportant un generateur de tourbillon definissant un espace de tourbillon conique, et une surveillance par capteur - Google Patents

Bruleur a premelange comportant un generateur de tourbillon definissant un espace de tourbillon conique, et une surveillance par capteur

Info

Publication number
EP1714073A1
EP1714073A1 EP05716640A EP05716640A EP1714073A1 EP 1714073 A1 EP1714073 A1 EP 1714073A1 EP 05716640 A EP05716640 A EP 05716640A EP 05716640 A EP05716640 A EP 05716640A EP 1714073 A1 EP1714073 A1 EP 1714073A1
Authority
EP
European Patent Office
Prior art keywords
channel
burner
premix burner
burner according
hollow
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
EP05716640A
Other languages
German (de)
English (en)
Other versions
EP1714073B1 (fr
Inventor
Philipp Brunner
Jaan Hellat
Christian Oliver Paschereit
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.)
Ansaldo Energia Switzerland AG
Original Assignee
Alstom Technology AG
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 Alstom Technology AG filed Critical Alstom Technology AG
Publication of EP1714073A1 publication Critical patent/EP1714073A1/fr
Application granted granted Critical
Publication of EP1714073B1 publication Critical patent/EP1714073B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C7/00—Combustion apparatus characterised by arrangements for air supply
    • F23C7/002—Combustion apparatus characterised by arrangements for air supply the air being submitted to a rotary or spinning motion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46—Details, e.g. noise reduction means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N5/00—Systems for controlling combustion
    • F23N5/02—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium
    • F23N5/022—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using electronic means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2241/00—Applications
    • F23N2241/20—Gas turbines

Definitions

  • Premix burners of the aforementioned type are known from a large number of previously published documents, for example from EP A1 0 210462 and EP B1 0 321 809, to name just a few.
  • Premixing burners of this type are based on the general principle of operation, within a swirl generator, which is usually designed as a cone and which provides at least two partial cone shells with corresponding mutual overlap, to produce a swirl flow consisting of a fuel-air mixture, which is formed within a combustion chamber following the premix burner in the direction of flow a premixing flame which is as stable as possible is ignited. 2 B03 / 075-0
  • premix burners are preferably used for firing combustion chambers for the operation of a heat engine, especially in gas or steam turbine systems, especially since these premix burners enable the use of different fuels to form a largely homogeneous fuel-air mixture, which is ultimately under formation an aerodynamically stabilized premix flame can be ignited.
  • the distance between the receiving unit 7 and the shell end edge 20 is just twice as much 8 B03 / 075-0 large to choose, such as the maximum radial elevation of the mounting unit 7 over the top of the partial cone shell.
  • the surface contour of the receiving unit 7 should also be designed to be as aerodynamic as possible.
  • the 3a has a hollow channel 8, which essentially provides two channel sections 12 and 12 * of different dimensions, the channel section 12 having a larger cross section preferably being suitable for use with a microphone sensor 13.
  • the channel section 12 opens directly into the swirl chamber 1 via a channel section 12 ′ with a smaller diameter, via which pressure fluctuations can be transmitted, for example, as initiated by the formation of thermoacoustic vibrations in the interior of the combustion chamber.
  • the receiving unit 7 provides a flushing channel 14, via which cooling air can be fed into the hollow channel 8 in order to avoid overheating of the microphone sensor unit 13. If cooling air is introduced from outside through the flushing channel 14 into the hollow channel 8 in the region of the channel section 12 ′, the cooling air prevents the entry of hot gases into the hollow channel 8 through the channel opening 10 and in this way serves the sensor unit against overheating.
  • 3c has a double channel guide 8, 8 ', the hollow channels 8, 8' designed as blind holes running parallel to the burner axis A. Both hollow channels 8, 8 ' also have channel sections 17, 17' running perpendicular to the burner axis, the channel section 17 opening into the swirl chamber 1 and the channel section 17 'opening into the atmosphere surrounding the premix burner. With the aid of the hollow channel formation shown in FIG. 3c, it is possible to carry out a differential pressure measurement.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Gas Burners (AREA)

Abstract

L'invention concerne un brûleur à prémélange comportant un générateur de tourbillon définissant un espace de tourbillon (1) conique, le générateur comprenant au moins deux coques partiellement coniques (2, 3). Ces coques partiellement coniques sont mutuellement décalées sur un axe du brûleur (A), elles comportent des fentes de prise d'air (4) s'étendant à l'opposé dans l'axe du brûleur (A) et, en combinaison, un contour externe de brûleur à prémélange s'élargissant de manière conique et présentant un diamètre externe (Amax) maximum qui diminue dans le sens axial pour former une zone à diamètre externe minimum (Amin). L'invention est caractérisée en ce qu'au moins une coque partiellement conique (2, 3), dans la zone située entre le diamètre externe maximum et le diamètre externe minimum, comprend une unité de réception (7) qui s'écarte du contour externe de brûleur à prémélange s'élargissant de manière conique et le dépasse localement dans le sens radial vers l'extérieur. Cette unité de réception a une étendue radiale maximale (R max) inférieure à la plus grande moitié du diamètre externe (Amax) du contour externe de brûleur à prémélange. Dans l'unité de réception (7) se trouve au moins un canal creux (8) doté d'au moins une ouverture opposée à l'espace de tourbillon (1), ce canal s'étendant longitudinalement sensiblement parallèlement à l'axe du brûleur (A).
EP05716640.7A 2004-02-12 2005-02-08 Bruleur a premelange comportant un generateur de tourbillon definissant un espace de tourbillon conique, et une surveillance par capteur Not-in-force EP1714073B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH2112004 2004-02-12
PCT/EP2005/050529 WO2005078341A1 (fr) 2004-02-12 2005-02-08 Bruleur a premelange comportant un generateur de tourbillon definissant un espace de tourbillon conique, et une surveillance par capteur

Publications (2)

Publication Number Publication Date
EP1714073A1 true EP1714073A1 (fr) 2006-10-25
EP1714073B1 EP1714073B1 (fr) 2016-08-31

Family

ID=34842439

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05716640.7A Not-in-force EP1714073B1 (fr) 2004-02-12 2005-02-08 Bruleur a premelange comportant un generateur de tourbillon definissant un espace de tourbillon conique, et une surveillance par capteur

Country Status (5)

Country Link
US (1) US7428817B2 (fr)
EP (1) EP1714073B1 (fr)
CN (1) CN100590355C (fr)
CA (1) CA2555153C (fr)
WO (1) WO2005078341A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100139286A1 (en) * 2007-01-02 2010-06-10 Christer Gerward Burner and fuel supply for a gas turbine
EP2028421A1 (fr) * 2007-08-21 2009-02-25 Siemens Aktiengesellschaft Surveillance de la présence d'une flamme et de la température de la flamme
US8752362B2 (en) * 2009-01-15 2014-06-17 General Electric Company Optical flame holding and flashback detection
US20130040254A1 (en) * 2011-08-08 2013-02-14 General Electric Company System and method for monitoring a combustor
US10691281B2 (en) * 2013-03-15 2020-06-23 Fisher-Rosemount Systems, Inc. Method and apparatus for controlling a process plant with location aware mobile control devices
ITUB20150813A1 (it) * 2015-05-25 2016-11-25 Nuovo Pignone Srl Ugello per carburante di turbina a gas con sensore di ionizzazione di fiamma integrato e motore a turbina a gas
US11774093B2 (en) 2020-04-08 2023-10-03 General Electric Company Burner cooling structures

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1503042A (en) * 1974-05-21 1978-03-08 Smiths Industries Ltd Radiation-detecting devices
EP0210462B1 (fr) 1985-07-30 1989-03-15 BBC Brown Boveri AG Chambre de combustion double
CH674561A5 (fr) 1987-12-21 1990-06-15 Bbc Brown Boveri & Cie
DE4304213A1 (de) * 1993-02-12 1994-08-18 Abb Research Ltd Brenner zum Betrieb einer Brennkraftmaschine, einer Brennkammer einer Gasturbogruppe oder Feuerungsanlage
DE4440558A1 (de) * 1994-11-12 1996-05-15 Abb Research Ltd Vormischbrenner
JPH1082526A (ja) * 1996-06-24 1998-03-31 General Electric Co <Ge> 予混合燃焼器システムにおけるフラッシュバックの発生を検出する装置
DE19628960B4 (de) * 1996-07-18 2005-06-02 Alstom Technology Ltd Temperaturmeßvorrichtung
DE19654009B4 (de) * 1996-12-21 2006-05-18 Alstom Vormischbrenner zum Betrieb einer Brennkammer mit einem flüssigen und/oder gasförmigen Brennstoff
US6094904A (en) * 1998-07-16 2000-08-01 United Technologies Corporation Fuel injector with a replaceable sensor
DE10050248A1 (de) * 2000-10-11 2002-04-18 Alstom Switzerland Ltd Brenner

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2005078341A1 *

Also Published As

Publication number Publication date
CA2555153A1 (fr) 2005-08-25
CN100590355C (zh) 2010-02-17
US20070059655A1 (en) 2007-03-15
EP1714073B1 (fr) 2016-08-31
CA2555153C (fr) 2012-11-13
CN1918430A (zh) 2007-02-21
WO2005078341A1 (fr) 2005-08-25
US7428817B2 (en) 2008-09-30

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