EP2220433A1 - Verfahren und vorrichtung zur verbrennung von wasserstoff in einem vormischbrenner - Google Patents
Verfahren und vorrichtung zur verbrennung von wasserstoff in einem vormischbrennerInfo
- Publication number
- EP2220433A1 EP2220433A1 EP08854401A EP08854401A EP2220433A1 EP 2220433 A1 EP2220433 A1 EP 2220433A1 EP 08854401 A EP08854401 A EP 08854401A EP 08854401 A EP08854401 A EP 08854401A EP 2220433 A1 EP2220433 A1 EP 2220433A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fuel
- hydrogen
- burner
- transition section
- outlet openings
- 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
Links
- 239000001257 hydrogen Substances 0.000 title claims abstract description 36
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 36
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims description 5
- 239000000446 fuel Substances 0.000 claims abstract description 93
- 230000007704 transition Effects 0.000 claims abstract description 51
- 238000002485 combustion reaction Methods 0.000 claims abstract description 33
- 238000002156 mixing Methods 0.000 claims abstract description 28
- 239000007788 liquid Substances 0.000 claims abstract description 10
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 74
- 239000003345 natural gas Substances 0.000 claims description 38
- 241000237942 Conidae Species 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 230000000295 complement effect Effects 0.000 claims 2
- 230000007423 decrease Effects 0.000 claims 1
- 150000002431 hydrogen Chemical class 0.000 abstract description 4
- 230000015572 biosynthetic process Effects 0.000 description 45
- 239000007789 gas Substances 0.000 description 45
- 238000003786 synthesis reaction Methods 0.000 description 43
- 239000000243 solution Substances 0.000 description 11
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 9
- 239000000203 mixture Substances 0.000 description 8
- 206010016754 Flashback Diseases 0.000 description 6
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000003892 spreading Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 2
- 239000005431 greenhouse gas Substances 0.000 description 2
- 230000007794 irritation Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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
- F23R3/28—Continuous combustion chambers using liquid or gaseous fuel characterised by the fuel supply
- F23R3/286—Continuous combustion chambers using liquid or gaseous fuel characterised by the fuel supply having fuel-air premixing devices
-
- 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
- F23D11/00—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
- F23D11/36—Details, e.g. burner cooling means, noise reduction means
- F23D11/40—Mixing tubes or chambers; Burner heads
- F23D11/402—Mixing chambers downstream of the nozzle
-
- 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
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C2900/00—Special features of, or arrangements for combustion apparatus using fluid fuels or solid fuels suspended in air; Combustion processes therefor
- F23C2900/07002—Premix burners with air inlet slots obtained between offset curved wall surfaces, e.g. double cone burners
-
- 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]
Definitions
- the present invention relates to a burner for operating premixed combustion with one or more fuels. It also relates to a method of operating such a burner.
- a per se known and technically controllable way to reduce the CO 2 emission in combustion power plants consists in the removal of carbon from the fuels reaching the combustion before the introduction of the fuel into the combustion chamber.
- This requires appropriate fuel pretreatments such as For example, the partial oxidation of the fuel with oxygen and / or a pretreatment of the fuel with water vapor.
- Such pretreated fuels usually contain a large amount of H 2 and CO, and depending on the mixing ratios have calorific values, which are generally lower than those of natural gas.
- Mbtu or Lbtu gases are not readily suitable for use in conventional burners designed for the combustion of natural gases such as natural gas, as described, for example, in EP 0 321 809 B1, US Pat. EP 0 780 629 A2, WO 93/17279 and EP 1 070 915 A1 are removable. These documents all form an integral part of the present description.
- liquid and / or gaseous fuel which is formed in the interior of the premix burner is fed to form a homogeneous fuel-air mixture.
- gaseous fuels are synthetically treated as an alternative to or in combination with combustion conventional fuel types, so there are special requirements for the design of conventional Vormischbrennersysteme.
- synthesis gases for feeding into burner systems require a multiple fuel volume flow compared to comparable burners operated with natural gas, so that significantly different flow pulse ratios result.
- WO 2006/058843 A1 describes a method and a burner for burning gaseous, liquid and hydrogen-containing or hydrogen-containing fuel, hereinafter referred to as synthesis gas.
- a double-cone burner with downstream mixing section according to EP 0 780 629 A2 is used, which is shown schematically in longitudinal section in FIGS. 2a and 2b.
- the premix burner arrangement provides a conically expanding swirl generator 1, which is bounded by swirl shells 2. Axially and coaxially about the center axis A of the swirl generator 1 means for supplying fuel are provided.
- liquid fuel B fl reaches the swirling space through an injection nozzle 3 positioned along the burner axis A at the location of the smallest inner diameter of the swirl generator 1.
- the forming within the swirl generator 1 fuel-air mixture passes in the form of a swirl flow through a transition section 6, in which the Swirl flow stabilizing fluid 7 are provided, in a mixing tube 8, along which a completely homogeneous mixing of the forming fuel-air mixture takes place before the ignitable fuel-air mixture within a downstream of the mixing tube 8 subsequent combustion chamber B is ignited. Due to an unsteady flow cross-sectional enlargement in the transition from the mixing tube 8 into the combustion chamber B, the swirl flow of the mixed fuel-air mixture bursts to form a remindströmzone in the form of a remindblasblase RB, in which adjusts a spatially stable flame front.
- the invention has the object of providing a device for combustion of hydrogen-containing or consisting of hydrogen fuel with a burner of the type mentioned above, with the features of the preamble of claim 1 characterized in that improved combustion results in terms of reduced nitrogen oxide emission values, but especially in terms on a much reduced risk of flashback, to be won.
- the premix burner an efficient Burner operation, which allows the combustion of both natural gas, petroleum and synthesis gases, ie hydrogen-containing or consisting of hydrogen fuels.
- synthesis gas a device for combustion of hydrogen-containing or consisting of hydrogen fuel, hereinafter referred to as synthesis gas, characterized by the features of the preamble of claim 1 characterized in that along the transition section, a third means for feeding the synthesis gas and a fourth means for optional supply of the synthesis gas or the gaseous fuel, preferably in the form of natural gas, are provided.
- feeding the synthesis gas in the region of the transition section as close to the wall as possible contributes to the wall-near flow velocity profile, in particular in the area of the flow path Mixing tube, raise and decisively flatten the illustrated in Fig. 2a significant increase in the flow velocity along the burner axis, which advantageously adjusts a lower near-wall flow vortex formation and associated with the risk of flashback is reduced.
- the synthesis gas which is much lighter in comparison to the swirling flow which propagates axially within the burner, is easier to mix in the direction of the radially inner flow regions, so that it enters the combustion chamber, which adjoins the mixing tube, before it enters the combustion chamber completely mixed fuel-air mixture can form.
- the natural gas feed is made with a radial component relative to the burner axis in order to obtain the most effective and homogeneous mixing of the injected natural gas with the axially spreading swirl flow.
- the outlet openings through which the synthesis gas, ie the hydrogen fuel to dimension larger than the outlet openings through which usually natural gas is applied in the region of the transition section.
- the radial component With the respective fuels are fed into the interior of the burner in the region of the transition section, in the light of a very rapid and efficient mixing and at the same time taking into account a slightest possible irritation of the swirl flow spreading within the burner individually set.
- a radial angle which is enclosed by the fuel discharge direction of the synthesis gas and the burner axis, to choose greater than that radial angle at which the natural gas is applied in the region of the transition section, especially the latter via a higher flow pulse has and can affect the swirl flow noticeably.
- a preferred embodiment provides in each case in the transition section circularly distributed equal outlet openings, is applied by the synthesis gas into the interior of the burner. All outlet openings are connected to a common, preferably the transition section circular enclosing reservoir volume, which is fed via a supply line with synthesis gas. Separately, a further plurality of outlet openings along the transition section, distributed as it were equally circular, over which the gaseous fuel, preferably natural gas, is discharged. The second group of outlet openings is also connected to a uniform reservoir volume, which is supplied with natural gas via a separate supply line.
- throttle valves are preferably provided, via which a metered and controlled respective fuel supply via the respective outlet openings is possible.
- a particularly preferred embodiment provides along the supply line, over which normally natural gas is supplied, a three-way valve, which allows the possibility of an alternative feed of either natural gas or synthesis gas. With the aid of such a three-way valve, it is thus possible to dispense synthesis gases over all the outlet openings provided within the transition section.
- the respective fuel feeds do not affect each other sustainably, for example, by penetration of natural gas in the region of the outlet openings are discharged through the syngas or vice versa, are the outlet openings of the respective types of fuel arranged in a circle offset from one another.
- the outlet openings through which natural gas is discharged can be arranged downstream of the outlet openings, through which synthesis gas is discharged. Further details regarding the arrangement and design of a solution designed according to the transition section can be found in the further description with reference to the embodiments.
- FIG. 1 longitudinal section through a solution according formed
- 4 and 5 are longitudinal sectional views through solution according trained premix burner in different modes. Ways to carry out the invention, industrial usability
- a premix burner assembly formed in accordance with the invention is shown in longitudinal section.
- the components of the premix burner arrangement already described with reference to FIGS. 2a and b reference is made to avoid repetition, particularly since the reference numbers entered in FIG. 1 are identical to those in FIGS. 2a and b.
- two separate means 9, 10 are provided for feeding fuel into the region of the mixing region adjoining the transition section 6, which is enclosed by the mixing tube 8.
- the means 9 a plurality within the transition region 6 circularly uniformly distributed outlet openings 9 'before, all of which are connected via individual feed channels to the transition section 6 peripherally comprehensive reservoir volume 9 ", which in turn via a supply line 9'" with hydrogen-containing or Hydrogen existing fuel B H 2 is supplied.
- the means 10 also within the transition piece 6 circularly equal outlet openings 10 'before, which are connected via connecting channels with a reservoir volume 10 ", which surrounds the transition section 6 also peripherally and via a supply line 10'" preferably supplied with natural gas B EC ,
- outlet openings 9 'for the discharge of synthesis gas are dimensioned larger than those outlet openings 10', through which the natural gas discharge is carried out.
- individual supply lines 9 '"and 10'" corresponding throttle valves are provided (not shown) through which the fuel supply can be adjusted individually.
- the outlet openings 9 'and 10' are arranged in a circular offset from one another, so that a negative mutual influence of the fuel inlet is excluded. So it should be avoided that natural gas is introduced into the openings 9 'through which Synthesis gas is applied and vice versa. Likewise, it makes sense to arrange the natural gas outlet openings 10 'downstream of those outlet openings 9' through which synthesis gas is discharged.
- both the natural gas and the synthesis gas can be fed into the interior of the swirl flow D with a corresponding radial component separated from one another by corresponding outlet openings 9 ', 10'.
- the fuel discharge takes place with regard to the spatial adjustment of the fuel output as well as with regard to the flow velocity at which the fuel is discharged, taking into account as minimal disturbance of the swirl flow D and optimal mixing of the discharged fuel with the swirl flow.
- the transition section 6 is surrounded by the reservoir volume 9 ", which is filled with synthesis gas B H2 . Via the feed channels 9""projecting through the transition section 6, the synthesis gas B H2 reaches the area of the swirl flow D, without losing the flow characteristic of the flow path Drirl flow D essentially irritate.
- the feed ducts 10 "" for the supply of natural gas in the cross-sectional view according to FIG. 3 are likewise shown.
- the arrangement of the individual channels makes it clear that an injection of the respective fuel types takes place without influencing and obstructing the other type of fuel.
- FIG. 4 shows a longitudinal section through a premix burner designed in accordance with the solution, in which only a natural gas feed takes place via the outlet openings 10 '. It is assumed that a not further along the 5, an operating mode is shown in which synthesis gas is fed into the swirl flow both via the outlet openings 9 'and 10'. 'Provided a three-way valve, not shown, via which an alternative filling of the reservoir volume 10' is possible either with natural gas or with synthesis gas. In the case of FIG. 5, therefore, the reservoir volume 10 'is also filled with synthesis gas, so that a double synthesis gas admixture results to the swirl flow forming inside the burner arrangement.
- the measure according to the solution triggers a space problem which is always present in burner construction, in that in addition to the use of the means for supplying natural gas, the same means can also be used for the extended supply of synthesis gas.
- the Flammenschisiko can be significantly reduced by the inventive measure, especially since a fuel accumulation both near the wall and along the burner axis by appropriate adjustment of the fuel inlet properties is avoidable.
- the supply of synthesis gas along the transition section helps to reduce the nitrogen oxide emissions, especially since the synthesis gas due to its lighter weight against the centrifugal forces acting in the swirl flow, is relatively homogeneously distributed along the entire flow cross-section.
- transition portion is formed as a simple and robust component, fuel feed channels and fuel reservoirs to be connected thereto can be easily and simply realized therein.
- the solution according to the burner assembly provides a maximum of variability in the operation of a burner with different types of fuel and their combinations.
- a clever arrangement of the respective outlet openings along the transition section can be dispensed with a corresponding flushing of the outlet openings with air.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combustion Of Fluid Fuel (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH18372007 | 2007-11-27 | ||
PCT/EP2008/065107 WO2009068424A1 (de) | 2007-11-27 | 2008-11-07 | Verfahren und vorrichtung zur verbrennung von wasserstoff in einem vormischbrenner |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2220433A1 true EP2220433A1 (de) | 2010-08-25 |
EP2220433B1 EP2220433B1 (de) | 2013-09-04 |
Family
ID=39327072
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08854401.0A Active EP2220433B1 (de) | 2007-11-27 | 2008-11-07 | Verfahren und vorrichtung zur verbrennung von wasserstoff in einem vormischbrenner |
Country Status (5)
Country | Link |
---|---|
US (1) | US8066509B2 (de) |
EP (1) | EP2220433B1 (de) |
JP (1) | JP5574969B2 (de) |
CN (1) | CN101910723B (de) |
WO (1) | WO2009068424A1 (de) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB0902221D0 (en) * | 2009-02-11 | 2009-03-25 | Edwards Ltd | Pilot |
FR2976649B1 (fr) * | 2011-06-20 | 2015-01-23 | Turbomeca | Procede d'injection de carburant dans une chambre de combustion d'une turbine a gaz et systeme d'injection pour sa mise en oeuvre |
GB2492762B (en) * | 2011-07-11 | 2015-12-23 | Rolls Royce Plc | A Method of Mixing Fuel and Air in a Combustion Chamber |
CN102297426B (zh) * | 2011-07-26 | 2013-03-13 | 无锡龙泉燃烧器制造有限公司 | 氢气燃烧器 |
EP2722591A1 (de) * | 2012-10-22 | 2014-04-23 | Alstom Technology Ltd | Mehrfach-Kegelbrenner für eine Gasturbine |
CN102997227B (zh) * | 2012-12-11 | 2017-04-26 | 克雷登热能设备(浙江)有限公司 | 用于锅炉的燃烧切换装置及切换方法 |
EP2962041B1 (de) * | 2013-02-28 | 2020-05-13 | United Technologies Corporation | Gasturbinenbrennkammer nit einer brennstoffdüse mit variablem drall |
CN103277813B (zh) * | 2013-05-30 | 2015-10-07 | 北京航空航天大学 | 一种在航空燃油燃烧中加氢减排的低污染燃烧室 |
JP6863189B2 (ja) * | 2017-09-05 | 2021-04-21 | トヨタ自動車株式会社 | 水素ガスバーナー装置用のノズル構造体 |
US10551297B2 (en) | 2017-09-22 | 2020-02-04 | Saudi Arabian Oil Company | Thermography image processing with neural networks to identify corrosion under insulation (CUI) |
US10837643B2 (en) | 2018-08-06 | 2020-11-17 | General Electric Company | Mixer assembly for a combustor |
CN111911961B (zh) * | 2020-09-02 | 2021-07-06 | 西安交通大学 | 一种天然气高比例掺烧氢气燃烧器 |
KR102460672B1 (ko) * | 2021-01-06 | 2022-10-27 | 두산에너빌리티 주식회사 | 연료 노즐, 연료 노즐 모듈 및 이를 포함하는 연소기 |
GB2603779A (en) * | 2021-02-12 | 2022-08-17 | Bosch Thermotechnology Ltd Uk | Fuel supply device and method for operating such a fuel supply device |
DE102021001419A1 (de) | 2021-03-17 | 2022-09-22 | Messer Austria Gmbh | Brenner und Verfahren zum Verbrennen eines wasserstoffhaltigen Brennstoffs |
CN114183772A (zh) * | 2021-11-30 | 2022-03-15 | 哈尔滨工程大学 | 一种氢气预混的高效低排放燃烧室头部 |
CN115355537B (zh) * | 2022-08-09 | 2023-09-22 | 中国航发沈阳发动机研究所 | 一种氢燃料回流型燃烧室 |
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DE4316474A1 (de) * | 1993-05-17 | 1994-11-24 | Abb Management Ag | Vormischbrenner zum Betrieb einer Brennkraftmaschine, einer Brennkammer einer Gasturbogruppe oder Feuerungsanlage |
DE4330083A1 (de) * | 1993-09-06 | 1995-03-09 | Abb Research Ltd | Verfahren zum Betrieb eines Vormischbrenners |
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DE10104151A1 (de) * | 2001-01-30 | 2002-09-05 | Alstom Switzerland Ltd | Verfahren zur Herstellung einer Brenneranlage |
EP1436546B1 (de) * | 2001-10-19 | 2016-09-14 | General Electric Technology GmbH | Brenner für synthesegas |
DE10202041A1 (de) * | 2002-01-18 | 2003-10-23 | Basf Ag | Kationisch-emulgierte Fettungsmittel |
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EP1510755B1 (de) * | 2003-09-01 | 2016-09-28 | General Electric Technology GmbH | Brenner mit Brennerlanze und gestufter Brennstoffeindüsung |
WO2005121648A1 (de) * | 2004-06-08 | 2005-12-22 | Alstom Technology Ltd | Vormischbrenner mit gestufter flüssigbrennstoffversorgung sowie verfahren zum betreiben eines vormischbrenners |
JP4913746B2 (ja) * | 2004-11-30 | 2012-04-11 | アルストム テクノロジー リミテッド | 予混合バーナー内の水素を燃焼する方法及び装置 |
WO2006069861A1 (de) | 2004-12-23 | 2006-07-06 | Alstom Technology Ltd | Vormischbrenner mit mischstrecke |
EP2058590B1 (de) * | 2007-11-09 | 2016-03-23 | Alstom Technology Ltd | Verfahren zum Betrieb eines Brenners |
-
2008
- 2008-11-07 WO PCT/EP2008/065107 patent/WO2009068424A1/de active Application Filing
- 2008-11-07 EP EP08854401.0A patent/EP2220433B1/de active Active
- 2008-11-07 CN CN2008801224568A patent/CN101910723B/zh active Active
- 2008-11-07 JP JP2010535322A patent/JP5574969B2/ja not_active Expired - Fee Related
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2010
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Also Published As
Publication number | Publication date |
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CN101910723B (zh) | 2013-07-24 |
US20100266970A1 (en) | 2010-10-21 |
WO2009068424A1 (de) | 2009-06-04 |
JP2011504995A (ja) | 2011-02-17 |
CN101910723A (zh) | 2010-12-08 |
EP2220433B1 (de) | 2013-09-04 |
JP5574969B2 (ja) | 2014-08-20 |
US8066509B2 (en) | 2011-11-29 |
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