EP3250857A1 - Brenneranordnung - Google Patents
BrenneranordnungInfo
- Publication number
- EP3250857A1 EP3250857A1 EP16713412.1A EP16713412A EP3250857A1 EP 3250857 A1 EP3250857 A1 EP 3250857A1 EP 16713412 A EP16713412 A EP 16713412A EP 3250857 A1 EP3250857 A1 EP 3250857A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fuel
- burner
- annular air
- tube
- nozzles
- 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
- 239000000446 fuel Substances 0.000 claims abstract description 96
- 238000002485 combustion reaction Methods 0.000 claims abstract description 23
- 239000012530 fluid Substances 0.000 claims abstract description 3
- 238000011144 upstream manufacturing Methods 0.000 claims description 5
- 238000009792 diffusion process Methods 0.000 claims description 4
- 238000010304 firing Methods 0.000 claims description 3
- 230000000087 stabilizing effect Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 description 4
- 230000007704 transition Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 235000002020 sage Nutrition 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
- F23R3/34—Feeding into different combustion zones
- F23R3/346—Feeding into different combustion zones for staged combustion
-
- 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
- F23R3/02—Continuous combustion chambers using liquid or gaseous fuel characterised by the air-flow or gas-flow configuration
- F23R3/04—Air inlet arrangements
- F23R3/10—Air inlet arrangements for primary air
- F23R3/12—Air inlet arrangements for primary air inducing a vortex
- F23R3/14—Air inlet arrangements for primary air inducing a vortex by using swirl vanes
-
- 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
- F23D14/70—Baffles or like flow-disturbing devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D3/00—Burners using capillary action
- F23D3/02—Wick burners
- F23D3/18—Details of wick burners
- F23D3/28—Wick-adjusting devices
- F23D3/34—Wick stop devices; Wick-fixing devices
-
- 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
- F23R3/02—Continuous combustion chambers using liquid or gaseous fuel characterised by the air-flow or gas-flow configuration
- F23R3/04—Air inlet arrangements
- F23R3/10—Air inlet arrangements for primary air
- F23R3/12—Air inlet arrangements for primary air inducing a vortex
-
- 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
- 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
- F23D2900/14—Special features of gas burners
- F23D2900/14021—Premixing burners with swirling or vortices creating means for fuel or air
Definitions
- the invention relates to a burner arrangement for a combustion chamber, in particular a gas turbine combustion chamber, for firing fluid fuels.
- pilot premix burner In a burner with, for example, main premix burner and pilot premix burner, these are primarily the fuel mass flows of the main premix burner and the pilot premix burner. Depending on the setting, about 90% -95% of the fuel mass flow passes through the main premix burner, the remainder through the pilot premix burner. It is known that a change (even in the percentage range) of the pilot gas mass flow has a significant influence on emissions and buoyancy. However, such a rule by a single fuel level in Pilotvormischbrenner is be ⁇ borders.
- both stages can be controlled independently.
- both pilot fuel ⁇ levels can be integrated in pilot burner blades to allow for both stages, a good mixing of fuel and air.
- Bohrungsmus ⁇ ters so the radial fuel distribution can be actively influenced during operation and thus influence on emissions and combustion stability are taken. This makes it possible to extend the corridors, through which must be maneuvered when starting and stopping the machine, and the emissi ⁇ ons- and stability behavior, especially in the partial load range, can be improved.
- WO 2014/114533 A1 discloses a burner arrangement with a diffusion gas passage lying on the axis of the burner arrangement.
- This passage could be ⁇ example be used by a tube-in-tube design for the fuel supply of a second stage in the pilot burner.
- the tube-in-tube construction would then have to be relieved by a complex and therefore comparatively expensive compensator.
- the object of the invention is therefore to provide a burner assembly of the type mentioned, which allows a beträchtli ⁇ che improvement in terms of emissions and stability and at the same time as simple and inexpensive to manufacture and assemble.
- the invention solves this task by at a Derar ⁇ term burner assembly for a combustion chamber, in particular a gas turbine combustion chamber for firing fluidic fuels, comprising a main burner and a reasonable centrally therein arranged pilot burner, which serves to ignite and / or stabilize the combustion of the main burner, the main ⁇ burner comprising a first annular air duct for supplying combustion air and first fuel nozzles for injecting a fuel in the first annular air duct, the Pilotbren ⁇ ner comprising a second annular air duct Supply of combustion air and a burner head with second fuel ⁇ fuel nozzles for injecting a fuel in the second annular air passage, wherein the second fuel nozzles are provided as separately controllable first and second fuel stages, for supplying fuel to the first and second fuel stages,
- the emission and stability behavior of the torch assembly is improved, and it can be dispensed with the comparatively complicated and expensive as ⁇ pipe-in-pipe construction with com- expansion joint.
- the first and second deep hole bores are arranged at different radii relative to the longitudinal axis of the burner support tube in the pipe wall, so that
- Fuel can be supplied directly via straight bores of a respective fuel stage.
- the preparation of sol ⁇ cher bores is comparatively cost effective.
- the at least one first and one second deep hole bore open into a respective fuel distributor channel of a fuel stage.
- the number of deep hole bores can be smaller than the number of fuel nozzles per fuel stage.
- the burner support tube has on its axis a diffusion gas passage, the also flows into the burner head, so that a Diffu ⁇ sion operation is possible.
- the burner carrier tube is connected in the flow direction of a fuel upstream of the burner head to a carrier plate, wherein the carrier plate has fuel ring distributor, of which the at least one first and one second deep hole bore abzwei ⁇ conditions.
- the carrier plate has fuel connections which open into the fuel ring manifolds.
- FIG. 2 shows a known pilot burner
- FIG. 3 shows a downstream detail of the pilot burner
- FIG. 2 is a diagrammatic representation of FIG. 1
- FIG. 4 shows an upstream detail of the pilot burner
- FIG. 2 is a diagrammatic representation of FIG. 1
- FIG. 5 shows a sectional view of the burner arrangement according to the invention, showing the inner channel
- FIG. 6 is a sectional view of the burner assembly according to the invention showing the outer channel
- Figure 7 is a side view of the downstream end of the
- Burner support tube of the burner assembly Figure 8 shows a section through the support plate and outer channel of
- FIG. 9 shows a section through carrier plate and connection for the outer channel and through the inner channel of the burner carrier tube, FIG.
- Figure 11 is a Einschraubverbinder with through hole and radial openings in the external thread in the
- FIG. 12 is a sectional view of a screw-in connector with a through bore and radial openings in the external thread
- FIG. 13 shows a detailed view of the burner head with transition to the burner support tube and Figure 14 is an oblique view of the upstream side of the burner head.
- FIG. 1 shows schematically and by way of example a section through part of a burner arrangement 1 according to the invention.
- the burner arrangement 1 is essentially radially symmetrical about the longitudinal axis 13 and comprises a main burner 2 and a pilot burner 3 arranged centrally therein, which serves to ignite and / or stabilize the combustion of the main burner 2.
- the main burner 2 comprises a first annular air passage 4 for supplying combustion air and first fuel nozzles 5 for injecting a fuel into the first annular air passage 4.
- the pilot burner 3 comprises a second annular air passage 6 for supplying combustion air and second fuel nozzles 8 for injecting a fuel into the second annular air passage 6th
- the second fuel nozzles 8 are first and second
- Fuel stages 9, 10 are provided, each fuel stage 9, 10 has its own fuel supply.
- the first annular air channel 4 has first swirl vanes 30, in which the first fuel nozzles 5 are arranged.
- the second annular air channel 6 has second swirl blades 31.
- the second fuel nozzles 8 are arranged, which, as already stated, in a first and a second fuel stage 9, 10 split.
- Figure 2 shows a known pilot burner 32 with a central diffusion gas passage 20, in which a tube 33 is arranged, wherein between an inner wall 34 of the Diffusionsgaspas ⁇ sage 20 and a tube outer wall 35, an annular channel 36 for the Fuel supply to the second fuel stage 10 is formed.
- This tube-in-tube construction is relieved by a compensator 37.
- FIG. 3 shows a downstream detail of the pilot burner 3 from FIG. 2, in particular the pilot burner head 7 with the fuel supply for the first and second fuel stages 9, 10.
- FIG. 4 shows an upstream detail of the pilot burner 3 from FIG. 2, in particular the compensator 37 of the tube in-pipe construction.
- FIGS. 5 and 6 the pilot burner 3 according to the invention is shown in different sectional planes.
- FIG. 5 shows the section through second deep hole bores 15, which represent the inner channel 38
- FIG. 6 shows the corresponding view with first deep hole bores 14 for the outer channel 39.
- the first and second deep hole bores 14, 15 are at different radii 16, 17 are arranged with respect to the longitudinal axis 13 of the burner support tube 11 in the tube wall 12.
- FIGS. 5 and 6 show that the at least one first and one second deep hole bores 14, 15 open into a respective fuel distributor channel 18, 19 of a fuel stage 9, 10.
- Figure 7 shows a side view of the downstream end of the burner support tube 11 of the burner assembly 1. It can be seen the ends of the first and second deep holes 14, 15 of the inner and outer channel 38, 39th
- Figures 8, 9 and 10 show sectional detail views in the region of the support plate 21 of the pilot burner 3.
- Figure 8 shows a section through the Trä ⁇ carrier plate 21 ler with the first and second Brennstoffringvertei- 22, 23 and the outer channel formed by deep-hole bores 14 39 in the tube wall 12 of the burner support tube eleventh
- FIG. 9 shows a section through the carrier plate 21 with the first and second fuel ring distributors 22, 23 and the inner channel 38 formed by deep-hole bores 15 in the tube wall 12 of the burner carrier tube 11.
- FIG. 9 shows a section through the serious fuel port 24 to the first fuel ring distributor 22 for the outer channel 39.
- Figure 10 finally shows a section through the Trä- carrier plate 21 with the second fuel port 25 for two ⁇ th annular fuel manifold 23 for the inner channel 38. It can be seen in Figure 10 that the second fuel ⁇ ring distributor 23 relatively close to the inner channel 38 lies below the surface of the carrier plate 21.
- the fuel connection 25 is realized via a screw-in connector 26 with a through-hole 27 and essentially radial openings 28 in the external thread 29.
- Figures 11 and 12 show such a Einschraubverbinder 26 in plan view and in section.
- FIG. 13 shows a detailed view of the burner head 7 with transition to the burner support tube 11.
- the burner head 7, which is shown in the oblique view in FIG. 14, is the same as in FIG. 3. According to the invention, only the burner support tube 11 is changed.
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
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102015206227.9A DE102015206227A1 (de) | 2015-04-08 | 2015-04-08 | Brenneranordnung |
PCT/EP2016/056892 WO2016162248A1 (de) | 2015-04-08 | 2016-03-30 | Brenneranordnung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3250857A1 true EP3250857A1 (de) | 2017-12-06 |
EP3250857B1 EP3250857B1 (de) | 2020-01-01 |
Family
ID=55646580
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16713412.1A Active EP3250857B1 (de) | 2015-04-08 | 2016-03-30 | Brenneranordnung |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP3250857B1 (de) |
CN (1) | CN107429918B (de) |
DE (1) | DE102015206227A1 (de) |
RU (1) | RU2669439C1 (de) |
WO (1) | WO2016162248A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111720732B (zh) * | 2020-05-28 | 2022-05-13 | 克莱普(浙江)气体设备有限公司 | 全自动燃料加热整体式气化器 |
CN112283706B (zh) * | 2020-11-20 | 2024-05-14 | 华侨大学 | 一种多枪旋流式低氮燃烧器 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE59204270D1 (de) * | 1991-04-25 | 1995-12-14 | Siemens Ag | Brenneranordnung, insbesondere für gasturbinen, zur schadstoffarmen verbrennung von kohlegas und anderen brennstoffen. |
US6698207B1 (en) * | 2002-09-11 | 2004-03-02 | Siemens Westinghouse Power Corporation | Flame-holding, single-mode nozzle assembly with tip cooling |
EP1659339A1 (de) * | 2004-11-18 | 2006-05-24 | Siemens Aktiengesellschaft | Verfahren zum Anfahren eines Brenners |
FR2881813B1 (fr) * | 2005-02-09 | 2011-04-08 | Snecma Moteurs | Carenage de chambre de combustion de turbomachine |
US8448441B2 (en) * | 2007-07-26 | 2013-05-28 | General Electric Company | Fuel nozzle assembly for a gas turbine engine |
DE102009038848A1 (de) * | 2009-08-26 | 2011-03-03 | Siemens Aktiengesellschaft | Brenner, insbesondere für Gasturbinen |
DE102009038845A1 (de) * | 2009-08-26 | 2011-03-03 | Siemens Aktiengesellschaft | Drallschaufel, Brenner und Gasturbine |
IT1397215B1 (it) * | 2009-12-29 | 2013-01-04 | Ansaldo Energia Spa | Assieme bruciatore per un impianto a turbina a gas e impianto a turbina a gas comprendente detto assieme bruciatore |
US20110162375A1 (en) * | 2010-01-05 | 2011-07-07 | General Electric Company | Secondary Combustion Fuel Supply Systems |
EP2503240A1 (de) * | 2011-03-22 | 2012-09-26 | Siemens Aktiengesellschaft | Gasturbinenbrenner |
EP2948715B1 (de) | 2013-01-24 | 2019-04-17 | Siemens Aktiengesellschaft | Brennersystem mit turbulenzelementen |
EP2860453A1 (de) * | 2013-10-10 | 2015-04-15 | Siemens Aktiengesellschaft | Vormischbrenner für eine Gasturbine mit einer Brennerspitze mit interner Prallkühlung |
US20160252254A1 (en) * | 2013-10-31 | 2016-09-01 | Siemens Aktiengesellschaft | Gas turbine burner hub with pilot burner |
WO2015067482A1 (en) * | 2013-11-08 | 2015-05-14 | Siemens Aktiengesellschaft | Gas turbine burner having separately controllable fuel stages in pilot burner swirl vanes |
-
2015
- 2015-04-08 DE DE102015206227.9A patent/DE102015206227A1/de not_active Ceased
-
2016
- 2016-03-30 RU RU2017136855A patent/RU2669439C1/ru active
- 2016-03-30 EP EP16713412.1A patent/EP3250857B1/de active Active
- 2016-03-30 WO PCT/EP2016/056892 patent/WO2016162248A1/de active Application Filing
- 2016-03-30 CN CN201680019818.5A patent/CN107429918B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
EP3250857B1 (de) | 2020-01-01 |
RU2669439C1 (ru) | 2018-10-11 |
CN107429918B (zh) | 2019-09-06 |
DE102015206227A1 (de) | 2016-10-13 |
WO2016162248A1 (de) | 2016-10-13 |
CN107429918A (zh) | 2017-12-01 |
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