EP1110034B1 - Brenneranordnung mit primärem und sekundärem pilotbrenner - Google Patents
Brenneranordnung mit primärem und sekundärem pilotbrenner Download PDFInfo
- Publication number
- EP1110034B1 EP1110034B1 EP99952372A EP99952372A EP1110034B1 EP 1110034 B1 EP1110034 B1 EP 1110034B1 EP 99952372 A EP99952372 A EP 99952372A EP 99952372 A EP99952372 A EP 99952372A EP 1110034 B1 EP1110034 B1 EP 1110034B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- burner
- outlet openings
- main
- arrangement according
- fuel
- 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 - Lifetime
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D17/00—Burners for combustion conjointly or alternatively of gaseous or liquid or pulverulent fuel
- F23D17/002—Burners for combustion conjointly or alternatively of gaseous or liquid or pulverulent fuel gaseous or liquid fuel
-
- 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
- F23R3/343—Pilot flames, i.e. fuel nozzles or injectors using only a very small proportion of the total fuel to insure continuous combustion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D2206/00—Burners for specific applications
- F23D2206/10—Turbines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D2209/00—Safety arrangements
- F23D2209/10—Flame flashback
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D2209/00—Safety arrangements
- F23D2209/20—Flame lift-off / stability
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D2900/00—Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas
- F23D2900/00014—Pilot burners specially adapted for ignition of main burners in furnaces or gas turbines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D2900/00—Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas
- F23D2900/00015—Pilot burners specially adapted for low load or transient conditions, e.g. for increasing stability
Definitions
- the present invention relates to a burner arrangement for a furnace, in particular a gas turbine combustion chamber with a main burner and one centrally located in it primary pilot burner used to ignite and / or stabilize serves to burn the main burner.
- Burner arrangements of the generic type are often different Fuels and different modes of operation, taking into account increasingly stringent regulations worldwide great efforts to emit pollutants there to improve the arrangements and operations so that pollutant emissions are reduced.
- Particularly environmentally friendly burners with low emissions NOx are from EP 0 108 361 B1 and EP 0 193 838 B1 known. Since the present invention is a further training Just such a burner goes on the content full reference to these two writings.
- DE 196 10 930 A1 discloses a burner for a heat generator.
- a burner consisting essentially of one Swirl generator for a combustion air flow and from means for injecting a fuel into the combustion air flow there is a mixing section downstream of the swirl generator mentioned arranged.
- This mixing section points within one first section a number of running in the direction of flow Transition channels that the seamless flyover the flow formed in the swirl generator into a downstream one Ensure the mixing tube.
- the exit level of this Mixing tube to the combustion chamber is formed with a closing edge which one of the stabilization and enlargement itself backflow zone depicting the current.
- Concentric to Mixing section is provided a number of mixing elements, which the formation of a mixture of combustion air and one Serve fuel. This mixture from the respective mixing element then forms a pilot stage of the combustion chamber.
- the object of the present invention is in the known Burner arrangements provide greater combustion stabilization to create and thus a hum of the furnace due to unstable combustion and the flame striking back to avoid parts of a burner.
- Such a burner arrangement for a furnace, in particular a gas turbine combustor has a main burner and a primary pilot burner centrally located therein to ignite and / or stabilize the combustion the main burner.
- a primary pilot burner centrally located therein to ignite and / or stabilize the combustion the main burner.
- Details of such burners, the because of the different ways of operating and fuel supply also called hybrid burners are, for example, in EP 0 108 361 B1 and EP 0 193 838 B1.
- Burner arrangement now additionally with a secondary pilot burner equipped this in the outlet area of the Main burner has a plurality of outlet openings. Through fuel emerging from these outlet openings or a mixture of air and fuel forms a wreath of flame that exits from the main burner Flame surrounds approximately in a ring and this additionally stabilized.
- the secondary can Pilot burners contribute to external stabilization without that Principle of combustion with recirculation like the burners according to the state of the art, have a negative influence.
- the important thing for stable combustion in the flame of the burner outer reciculation area is through the secondary pilot burner even reinforced.
- the secondary pilot burner is particularly preferred in the outlet area of the main burner circumferential ring channel formed, which is connected to a fuel feed line and communicates with the outlet openings.
- the circulating Ring channel surrounds the outlet area of the main burner quasi like a collar in which the outlet openings are arranged are, preferably inwards towards the center of the outlet area.
- the lower ring channel acts like a resonance chamber, so that the amount of fuel flowing out at the outlet openings is influenced by the external pressure, which is appropriate Design and dimensioning of this lower ring channel Pressure fluctuations, for example when the burner arrangement hums, has a strong dampening effect.
- the outlet openings can preferably be approximately equidistantly in the form of a ring in the outlet area of the main burner be arranged. This arrangement is symmetrical all sides and leads to an all-round uniform Stabilization.
- outlet openings Leeway There is also a wider one with regard to the shape of the outlet openings Leeway.
- the invention is particularly preferred round or oval outlet openings that are particularly easy to manufacture are.
- the outlet openings can also have a polygonal border, in particular the shape of a Triangle with tip pointing in the direction of gas flow.
- the burner arrangement with the secondary pilot burner is according to the invention designed so that between 0 and 10% of the at Base load of the amount of fuel required by the burner arrangement the outlet openings can be fed, in particular in the form of Fuel gas.
- the according to the invention now supported by the secondary pilot burner will increase accordingly in its fuel supply throttle to total the amount of fuel that is by the pilot burner being fed does not increase excessively.
- the main burner and the primary pilot burner in Premix mode, diffusion mode or mixed mode can be operated from both operating modes, the Main burner and the primary pilot burner also for optional Operation with liquid and gaseous fuels could be. All of these modes of operation are also at one Burner arrangement possible according to the present invention.
- the secondary pilot burner with a premixed mixture of fuel and air as To operate premix burners, which is particularly for reduction contributes to the generation of nitrogen oxides.
- a pilot burner 15 for igniting and / or Stabilization of the main flame, its combustion air through an air duct 6 is supplied.
- Fuel channel 7 Around the pilot burner 15 also as a premix burner to operate, there is also an external one Fuel channel 8.
- this known burner arrangement operate in very different modes using different fuels, which is why Burners are also referred to as hybrid burners.
- the distances of this Outlet openings can be uniform or uneven depending on the need his. Even the shapes and cross-sectional areas these outlet openings 10 are within wide limits as required variable, with evenly distributed round outlet openings 10 are preferred.
- a lower ring channel 9 on a throttle communicates with an upper ring channel 11, which again via a fuel feed line 13 and a valve 14 is supplied with fuel, preferably fuel gas. at in this embodiment, the pressure in the upper ring channel 11 approximately constant, since the main pressure loss at the throttle point 12 occurs.
- the lower ring channel 9 can external pressure vibrations partially balance in the flame of the main burner and acts as a kind of resonance chamber. Is the Pressure in the flame high, so little flows for a short time Fuel through the exhaust ports 10 of the secondary pilot burner, when the external pressure drops again, more flows Fuel gas after. This behavior dampens external vibrations and thus reduces the hum, which is caused by instabilities of the Flames can occur in a furnace.
- the present invention is particularly suitable for additional Stabilization of burner arrangements in gas turbine chambers and prevents the flame from striking back in one Burner arrangement or at least diminishes it resulting hum.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Gas Burners (AREA)
Abstract
Description
Claims (9)
- Brenneranordnung für eine Feuerungsanlage, insbesondere eine Gasturbinenbrennkammer, mit einem Hauptbrenner (1) und einem zentral darin angeordneten primären Pilotbrenner (15), der zum Zünden und/oder zum Stabilisieren der Verbrennung des Hauptbrenners dient,
dadurch gekennzeichnet, daß im Auslaßbereich des Hauptbrenners (1) ein sekundärer Pilotbrenner mit einer Mehrzahl von Auslaßöffnungen (10) angeordnet ist, wobei im Auslaßbereich des Hauptbrenners (1) ein umlaufender Ringkanal (9, 11) angeordnet ist, der mit einer Brennstoffzuleitung (13) verbunden ist und mit den Auslaßöffnungen (10) in Verbindung steht und wobei die Auslaßöffnungen (10) in Richtung auf das Zentrum des Auslaßbereichs gerichtet sind. - Brenneranordnung nach Anspruch 1,
dadurch gekennzeichnet, daß der umlaufende Ringkanal einen unteren Ringkanal (9) und einen oberen Ringkanal (11) aufweist, welche über eine Drosselstelle (12) miteinander verbunden sind, wobei der obere Ringkanal (11) mit der Brennstoffzuleitung (13) verbunden ist und der untere Ringkanal (9) mit den Auslaßöffnungen (10) in Verbindung steht. - Brenneranordnung nach Anspruch 1 oder 2,
dadurch gekennzeichnet, daß die Ausläßöffnungen (10) mit etwa gleichen Abständen ringförmig im Auslaßbereich des Hauptbrenners (1) angeordnet sind. - Brenneranordnung nach Anspruch 1, 2 oder 3,
dadurch gekennzeichnet, daß die Auslaßöffnungen (10) mit unterschiedlichen Abständen ringförmig im Auslaßbereich des Hauptbrenners (1) angeordnet sind. - Brenneranordnung nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, daß die Auslaßöffnungen (10) rund oder oval sind. - Brenneranordnung nach einem der Ansprüche 1 bis 4,
dadurch gekennzeichnet, daß die Auslaßöffnungen (10) eine polygonale Berandung haben, insbesondere in Form eines Dreiecks mit in Gasströmungsrichtung zeigender Spitze. - Brenneranordnung nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, daß Brennstoffzuleitung (13), umlaufender Ringkanal (9, 11) und Auslaßöffnungen (10) so ausgelegt sind, daß zwischen 0 und 10 % der bei Grundlast von der Brenneranordnung benötigten Brennstoffmenge den Auslaßöffnungen (10) zuführbar sind, insbesondere in Form von Brenngas. - Brenneranordnung nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, daß der Hauptbrenner (1) und der primäre Pilotbrenner (15) im Vormischbetrieb, im Diffusionsbetrieb oder in einem Mischbetrieb aus beiden Betriebsarten betreibbar sind, wobei der Hauptbrenner (1) und der primäre Pilotbrenner (15) auch für wahlweisen Betrieb mit flüssigen und gasförmigen Brennstoffen ausgelegt sein können. - Brenneranordnung nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, daß der sekundäre Pilotbrenner mit einem vorgemischten Gemisch aus Brennstoff und Luft als Vormischbrenner betreibbar ist.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19839085 | 1998-08-27 | ||
DE19839085A DE19839085C2 (de) | 1998-08-27 | 1998-08-27 | Brenneranordnung mit primärem und sekundärem Pilotbrenner |
PCT/DE1999/002520 WO2000012936A1 (de) | 1998-08-27 | 1999-08-12 | Brenneranordnung mit primärem und sekundärem pilotbrenner |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1110034A1 EP1110034A1 (de) | 2001-06-27 |
EP1110034B1 true EP1110034B1 (de) | 2003-04-23 |
Family
ID=7878965
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99952372A Expired - Lifetime EP1110034B1 (de) | 1998-08-27 | 1999-08-12 | Brenneranordnung mit primärem und sekundärem pilotbrenner |
Country Status (5)
Country | Link |
---|---|
US (1) | US6632084B2 (de) |
EP (1) | EP1110034B1 (de) |
JP (1) | JP2002523721A (de) |
DE (2) | DE19839085C2 (de) |
WO (1) | WO2000012936A1 (de) |
Families Citing this family (35)
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DE10042315A1 (de) * | 2000-08-29 | 2002-03-14 | Alstom Power Nv | Brenner für einen Wärmeerzeuger |
DE10049203A1 (de) | 2000-10-05 | 2002-05-23 | Alstom Switzerland Ltd | Verfahren zur Brennstoffeinleitung in einen Vormischbrenner |
DE10104695B4 (de) * | 2001-02-02 | 2014-11-20 | Alstom Technology Ltd. | Vormischbrenner für eine Gasturbine |
GB2375601A (en) | 2001-05-18 | 2002-11-20 | Siemens Ag | Burner apparatus for reducing combustion vibrations |
EP1436546B1 (de) | 2001-10-19 | 2016-09-14 | General Electric Technology GmbH | Brenner für synthesegas |
EP1342952A1 (de) * | 2002-03-07 | 2003-09-10 | Siemens Aktiengesellschaft | Brenner, Verfahren zum Betrieb eines Brenners und Gasturbine |
EP1342953A1 (de) * | 2002-03-07 | 2003-09-10 | Siemens Aktiengesellschaft | Gasturbine |
DE60228085D1 (de) | 2002-09-20 | 2008-09-18 | Siemens Ag | Vormischbrenner mit profilierter Luftmassenströmung |
US7080515B2 (en) * | 2002-12-23 | 2006-07-25 | Siemens Westinghouse Power Corporation | Gas turbine can annular combustor |
EP1601913A1 (de) | 2003-03-07 | 2005-12-07 | Alstom Technology Ltd | Vormischbrenner |
ITTO20040309A1 (it) * | 2004-05-13 | 2004-08-13 | Ansaldo Energia Spa | Metodo per controllare un combustore a gas di una turbina a gas |
EP1624252A1 (de) * | 2004-08-06 | 2006-02-08 | Siemens Aktiengesellschaft | Brenner, Gasturbine und Betrieb eines Brenners |
EP1645805A1 (de) * | 2004-10-11 | 2006-04-12 | Siemens Aktiengesellschaft | Brenner für fluidische Brennstoffe und Verfahren zum Betreiben eines derartigen Brenners |
EP1659339A1 (de) * | 2004-11-18 | 2006-05-24 | Siemens Aktiengesellschaft | Verfahren zum Anfahren eines Brenners |
EP1712837A1 (de) * | 2005-04-14 | 2006-10-18 | Siemens Aktiengesellschaft | Brenneranordnung und Verfahren zu ihrem Betrieb |
US8075305B2 (en) * | 2006-01-24 | 2011-12-13 | Exxonmobil Chemical Patents Inc. | Dual fuel gas-liquid burner |
US7901204B2 (en) * | 2006-01-24 | 2011-03-08 | Exxonmobil Chemical Patents Inc. | Dual fuel gas-liquid burner |
US7909601B2 (en) * | 2006-01-24 | 2011-03-22 | Exxonmobil Chemical Patents Inc. | Dual fuel gas-liquid burner |
KR101328984B1 (ko) * | 2006-10-24 | 2013-11-13 | 삼성에스디아이 주식회사 | 연료전지 시스템의 개질기 및 이의 제어 방법 |
EP2058590B1 (de) | 2007-11-09 | 2016-03-23 | Alstom Technology Ltd | Verfahren zum Betrieb eines Brenners |
EP2312215A1 (de) * | 2008-10-01 | 2011-04-20 | Siemens Aktiengesellschaft | Brenner und Verfahren zum Betrieb eines Brenners |
US8640974B2 (en) | 2010-10-25 | 2014-02-04 | General Electric Company | System and method for cooling a nozzle |
EP2503241A1 (de) * | 2011-03-22 | 2012-09-26 | Siemens Aktiengesellschaft | Gasturbinenbrenner |
EP2503240A1 (de) * | 2011-03-22 | 2012-09-26 | Siemens Aktiengesellschaft | Gasturbinenbrenner |
EP2503244A1 (de) * | 2011-03-22 | 2012-09-26 | Siemens Aktiengesellschaft | Gasturbinenbrenner |
EP2738460A1 (de) | 2012-11-29 | 2014-06-04 | Siemens Aktiengesellschaft | Verbrennungssystem einer Strömungsmaschine |
ITMI20122265A1 (it) * | 2012-12-28 | 2014-06-29 | Ansaldo Energia Spa | Gruppo bruciatore per una turbina a gas provvisto di risonatore di helmholtz |
DE102014206139A1 (de) * | 2014-04-01 | 2015-10-01 | Siemens Aktiengesellschaft | Brennerkopf |
EP3059500A1 (de) | 2015-02-20 | 2016-08-24 | Siemens Aktiengesellschaft | Verfahren zum betrieb eines verbrennungssystems |
EP3059501A1 (de) | 2015-02-20 | 2016-08-24 | Siemens Aktiengesellschaft | Verfahren zum betrieb eines verbrennungssystems |
CN104696986A (zh) * | 2015-02-26 | 2015-06-10 | 北京华清燃气轮机与煤气化联合循环工程技术有限公司 | 一种用于燃气轮机燃烧室的防回火喷嘴 |
DE102017114362A1 (de) * | 2017-06-28 | 2019-01-03 | Man Diesel & Turbo Se | Brennkammer einer Gasturbine, Gasturbine und Verfahren zum Betreiben derselben |
US10954859B2 (en) | 2017-07-25 | 2021-03-23 | Raytheon Technologies Corporation | Low emissions combustor assembly for gas turbine engine |
US11555612B2 (en) * | 2017-11-29 | 2023-01-17 | Babcock Power Services, Inc. | Dual fuel direct ignition burners |
CN116164307B (zh) * | 2023-03-09 | 2024-04-19 | 中国空气动力研究与发展中心空天技术研究所 | 一种气体旋流式空气氢气火炬点火器 |
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-
1998
- 1998-08-27 DE DE19839085A patent/DE19839085C2/de not_active Expired - Fee Related
-
1999
- 1999-08-12 DE DE59905222T patent/DE59905222D1/de not_active Expired - Lifetime
- 1999-08-12 JP JP2000567883A patent/JP2002523721A/ja active Pending
- 1999-08-12 WO PCT/DE1999/002520 patent/WO2000012936A1/de active IP Right Grant
- 1999-08-12 EP EP99952372A patent/EP1110034B1/de not_active Expired - Lifetime
-
2001
- 2001-02-27 US US09/794,662 patent/US6632084B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US20010024774A1 (en) | 2001-09-27 |
US6632084B2 (en) | 2003-10-14 |
WO2000012936A1 (de) | 2000-03-09 |
EP1110034A1 (de) | 2001-06-27 |
JP2002523721A (ja) | 2002-07-30 |
DE59905222D1 (de) | 2003-05-28 |
DE19839085C2 (de) | 2000-06-08 |
DE19839085A1 (de) | 2000-03-02 |
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