JP6679233B2 - 多段燃焼器 - Google Patents
多段燃焼器 Download PDFInfo
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- JP6679233B2 JP6679233B2 JP2015148195A JP2015148195A JP6679233B2 JP 6679233 B2 JP6679233 B2 JP 6679233B2 JP 2015148195 A JP2015148195 A JP 2015148195A JP 2015148195 A JP2015148195 A JP 2015148195A JP 6679233 B2 JP6679233 B2 JP 6679233B2
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- Prior art keywords
- nozzles
- nozzle
- primary
- stage nozzle
- primary stage
- 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 - Fee Related
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- 239000000446 fuel Substances 0.000 claims description 58
- 238000002485 combustion reaction Methods 0.000 claims description 43
- 238000004891 communication Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 9
- 239000012530 fluid Substances 0.000 claims 2
- 239000007789 gas Substances 0.000 description 22
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 14
- 239000000567 combustion gas Substances 0.000 description 7
- 230000007704 transition Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 4
- 230000001133 acceleration Effects 0.000 description 2
- 238000003491 array Methods 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000001427 coherent effect Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000010248 power generation Methods 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
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C3/00—Gas-turbine plants characterised by the use of combustion products as the working fluid
- F02C3/04—Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/22—Fuel supply systems
- F02C7/222—Fuel flow conduits, e.g. manifolds
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C9/00—Controlling gas-turbine plants; Controlling fuel supply in air- breathing jet-propulsion plants
- F02C9/16—Control of working fluid flow
- F02C9/20—Control of working fluid flow by throttling; by adjusting vanes
-
- 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
- F23C5/00—Disposition of burners with respect to the combustion chamber or to one another; Mounting of burners in combustion apparatus
- F23C5/02—Structural details of mounting
- F23C5/06—Provision for adjustment of burner position during operation
-
- 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
- F23R3/16—Continuous combustion chambers using liquid or gaseous fuel characterised by the air-flow or gas-flow configuration with devices inside the flame tube or the combustion chamber to influence the air or gas flow
- F23R3/18—Flame stabilising means, e.g. flame holders for after-burners of jet-propulsion plants
- F23R3/22—Flame stabilising means, e.g. flame holders for after-burners of jet-propulsion plants movable, e.g. to an inoperative position; adjustable, e.g. self-adjusting
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2220/00—Application
- F05D2220/30—Application in turbines
- F05D2220/32—Application in turbines in gas turbines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2260/00—Function
- F05D2260/60—Fluid transfer
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Gas Burners (AREA)
Description
15 圧縮機
20 空気
25 燃焼器
30 燃料
35 燃焼ガス
40 タービン
45 シャフト
50 負荷
52 端部カバー
54 移行部品
56 燃料ノズル
58 ライナ
60 燃焼ゾーン
62 ケース
64 流路
66 マイクロミキサ燃料ノズル
68 管体
70 燃料管
72 燃料プレート
100 燃焼器
110 端部カバー
120 移行部品
130 ライナ
140 燃焼ゾーン
150 ケース
160 流路
170 1次燃焼段
180 1次段ノズル
190 マイクロミキサ燃料ノズル
200 1次燃料管
210 可変段ノズル
220 線形アクチュエータ
230 駆動ロッド
240 可変空気バイパス
250 2次燃焼段
260 2次段ノズル
270 2次段燃料管
280 角度付き形状
Claims (12)
- 燃焼器(25)であって、
複数の1次マイクロミキサ管を備える1次マイクロミキサノズルを有する1次段ノズル(180)と、
前記1次段ノズルと機械的に連通した駆動ロッドを備える線形アクチュエータ(220)と、
前記駆動ロッド内に配置され、前記複数の1次マイクロミキサ管と流体連通された1次段燃料管と、
複数の2次マイクロミキサ管を有する複数の2次マイクロミキサノズルを備え、前記1次段ノズルを全体又は部分的に囲む複数の固定2次ノズル(260)と、
前記1次段ノズルと前記複数の固定2次ノズルとの間に配置された可変空気バイパスと、
を備え、
前記線形アクチュエータが、前記複数の固定2次ノズルに対する前記1次段ノズルの位置を変化させ、前記1次段ノズルが前記複数の固定2次ノズルに対して引き込まれるときにバイパスされる可変空気を増加させ、前記1次段ノズルが前記複数の固定2次ノズルに対して延長されるときにバイパスされる可変空気を減少させる、燃焼器(25)。 - 前記複数の固定2次ノズルが、2次燃焼段(250)に燃料を噴出する2次段燃料管を含む、請求項1に記載の燃焼器(25)。
- 前記複数の固定2次ノズルが、4つの固定2次ノズルを含む、請求項1に記載の燃焼器(25)。
- 前記固定2次ノズルが、角度付き形状を含む、請求項1に記載の燃焼器(25)。
- 前記1次段ノズルの下流側に燃焼ゾーンを更に備える、請求項1に記載の燃焼器(25)。
- 燃焼器(25)の作動方法であって、
複数の固定2次ノズル(260)内に操作可能1次段ノズル(180)を位置付けるステップであって、前記操作可能1次段ノズル(180)が、複数の1次マイクロミキサ管を備える1次マイクロミキサノズルを備え、前記複数の固定2次ノズル(260)が、複数の2次マイクロミキサ管を有する複数の2次マイクロミキサノズルを備える、前記ステップと、
部分負荷条件にて前記複数の固定2次ノズルに対して前記操作可能1次段ノズルを格納して、前記1次段ノズルと前記複数の固定2次ノズルとの間に配置された可変空気バイパスのバイパス空気を増加させるステップと、
全負荷条件にて前記複数の固定2次ノズルに対して前記操作可能1次段ノズルを延長して、前記1次段ノズルと前記複数の固定2次ノズルとの間に配置された可変空気バイパスのバイパス空気を減少させるステップと、
を含む、方法。 - 部分負荷条件にて前記操作可能1次段ノズルにのみ燃料流を提供するステップを更に含む、請求項6に記載の方法。
- 前記操作可能1次段ノズルへの燃料流を低減している間、負荷が増大するにつれて前記複数の固定2次ノズルへの燃料流を増大させるステップを更に含む、請求項6または7に記載の方法。
- 全負荷条件にて前記複数の固定2次ノズルに対してのみ燃料流を提供するステップを更
に含む、請求項6乃至8のいずれかに記載の方法。 - 前記複数の固定2次ノズルに対して前記操作可能1次段ノズルの位置を変えて燃焼ダイナミックスを変化させるようにするステップを更に含む、請求項6乃至9のいずれかに記載の方法。
- ガスタービンエンジン(10)であって、
圧縮機(15)と、
タービン(40)と、
複数の燃焼器(25)と、
を備え、前記複数の燃焼器の各々が、操作可能1次段ノズル(180)と、該1次段ノズルを全体又は部分的に囲む複数の固定2次ノズル(260)とを含み、
前記操作可能1次段ノズル(180)が、複数の1次マイクロミキサ管を備える1次マイクロミキサノズルを備え、前記複数の固定2次ノズル(260)が、複数の2次マイクロミキサ管を有する複数の2次マイクロミキサノズルを備え、
前記複数の燃焼器の各々が、前記操作可能1次段ノズル(180)と流体連通する可変空気バイパスを備え、
前記複数の燃焼器の各々が、前記1次段ノズルと機械的に連通した駆動ロッドを備える線形アクチュエータ(220)を備え、
前記線形アクチュエータが、前記複数の固定2次ノズルに対する前記1次段ノズルの位置を変化させ、前記1次段ノズルが前記複数の固定2次ノズルに対して引き込まれるときにバイパスされる可変空気を増加させ、前記1次段ノズルが前記複数の固定2次ノズルに対して延長されるときにバイパスされる可変空気を減少させる、ガスタービンエンジン(10)。 - ガスタービンエンジン(10)が、前記複数の燃焼器の各々の前記線形アクチュエータに接続された複数カム構成を備え、前記操作可能1次段ノズル(180)の位置は前記複数の燃焼器毎に変えて、隣接する燃焼器間の音響エネルギーのコヒーレンス性を低減するよう前記線形アクチュエータを別個に軸方向に設定する、請求項11に記載のガスタービンエンジン。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/452,568 US10041681B2 (en) | 2014-08-06 | 2014-08-06 | Multi-stage combustor with a linear actuator controlling a variable air bypass |
US14/452,568 | 2014-08-06 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2016038197A JP2016038197A (ja) | 2016-03-22 |
JP6679233B2 true JP6679233B2 (ja) | 2020-04-15 |
Family
ID=55134963
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015148195A Expired - Fee Related JP6679233B2 (ja) | 2014-08-06 | 2015-07-28 | 多段燃焼器 |
Country Status (4)
Country | Link |
---|---|
US (1) | US10041681B2 (ja) |
JP (1) | JP6679233B2 (ja) |
CN (1) | CN205425015U (ja) |
DE (1) | DE102015112008A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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US11053862B2 (en) * | 2017-09-25 | 2021-07-06 | Delavan Inc. | Electronic fuel control for gas turbine engines |
US11174792B2 (en) | 2019-05-21 | 2021-11-16 | General Electric Company | System and method for high frequency acoustic dampers with baffles |
US11156164B2 (en) | 2019-05-21 | 2021-10-26 | General Electric Company | System and method for high frequency accoustic dampers with caps |
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EP0534685A1 (en) * | 1991-09-23 | 1993-03-31 | General Electric Company | Air staged premixed dry low NOx combustor |
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JP2950720B2 (ja) * | 1994-02-24 | 1999-09-20 | 株式会社東芝 | ガスタービン燃焼装置およびその燃焼制御方法 |
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US20140216038A1 (en) | 2013-02-06 | 2014-08-07 | General Electric Company | Variable Volume Combustor with Cantilevered Support Structure |
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US9587562B2 (en) | 2013-02-06 | 2017-03-07 | General Electric Company | Variable volume combustor with aerodynamic support struts |
US9689572B2 (en) | 2013-02-06 | 2017-06-27 | General Electric Company | Variable volume combustor with a conical liner support |
US9422867B2 (en) | 2013-02-06 | 2016-08-23 | General Electric Company | Variable volume combustor with center hub fuel staging |
-
2014
- 2014-08-06 US US14/452,568 patent/US10041681B2/en not_active Expired - Fee Related
-
2015
- 2015-07-23 DE DE102015112008.9A patent/DE102015112008A1/de not_active Withdrawn
- 2015-07-28 JP JP2015148195A patent/JP6679233B2/ja not_active Expired - Fee Related
- 2015-08-05 CN CN201520584489.1U patent/CN205425015U/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE102015112008A1 (de) | 2016-02-11 |
JP2016038197A (ja) | 2016-03-22 |
US20160040884A1 (en) | 2016-02-11 |
US10041681B2 (en) | 2018-08-07 |
CN205425015U (zh) | 2016-08-03 |
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