JP5507948B2 - 燃焼器内に希釈流を導入する方法及び装置 - Google Patents
燃焼器内に希釈流を導入する方法及び装置 Download PDFInfo
- Publication number
- JP5507948B2 JP5507948B2 JP2009234699A JP2009234699A JP5507948B2 JP 5507948 B2 JP5507948 B2 JP 5507948B2 JP 2009234699 A JP2009234699 A JP 2009234699A JP 2009234699 A JP2009234699 A JP 2009234699A JP 5507948 B2 JP5507948 B2 JP 5507948B2
- Authority
- JP
- Japan
- Prior art keywords
- combustor
- baffle plate
- diluent
- injection holes
- fuel 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.)
- Expired - Fee Related
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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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L7/00—Supplying non-combustible liquids or gases, other than air, to the fire, e.g. oxygen, steam
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L2900/00—Special arrangements for supplying or treating air or oxidant for combustion; Injecting inert gas, water or steam into the combustion chamber
- F23L2900/07002—Injecting inert gas, other than steam or evaporated water, into the combustion chambers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L2900/00—Special arrangements for supplying or treating air or oxidant for combustion; Injecting inert gas, water or steam into the combustion chamber
- F23L2900/07009—Injection of steam into the combustion chamber
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Gas Burners (AREA)
- Pre-Mixing And Non-Premixing Gas Burner (AREA)
- Spray-Type Burners (AREA)
Description
12 バッフルプレート
14 バッフル孔
16 燃料ノズル
18 カバーリング
20 プレナム
22 希釈流
24 オリフィス
26 シュラウド
28 取付けフランジ
30 上流面
32 下流面
34 外表面
36 流路
38 ピストンリング
40 ピストンリングスロット
42 先端部
44 噴射孔
46 ノズル端部
48 ノズル中心軸線
50 空気流
52 ノズル空気カラー
54 空気流開口
56 隆起噴射表面
58 出口
60 外部
62 ピストンリングスロット
64 噴射チャネル
66 リブ
68 シース
70 外表面
72 取付け脚部
Claims (10)
- 燃焼器(10)であって、
1以上の貫通バッフル孔(14)を備えるバッフルプレート(12)と、
前記バッフルプレート(12)との間に、前記バッフルプレート(12)と共に希釈プレナム(20)を形成するカバーリング(18)と、
前記カバーリング(18)及び前記1以上の貫通バッフル孔(14)を貫通して延びる1以上の燃料ノズル(16)と、
前記1以上の燃料ノズル(16)を貫通して延びる複数の噴射孔(44)と
前記1以上の燃料ノズル(16)の半径方向外側で前記バッフルプレート(12)に固定されたシュラウド(26)であって、該1以上の燃料ノズル(16)との間に、該1以上の燃料ノズル(16)と共に流路(36)を形成するシュラウド(26)と、
前記シュラウド(26)と前記1以上の燃料ノズル(16)との間の1以上のシール(38)であって、希釈剤の流れ(22)を前記複数の噴射孔(44)に流すシール(38)と、
前記1以上の燃料ノズル(16)の下流側端部(46)及び前記複数の噴射孔(44)の下流側に位置する、複数の空気開口(54)を備えたカラー(52)と
を備え、
前記複数の噴射孔(44)が、前記希釈プレナム(20)から前記複数の空気開口(54)内への希釈剤(22)の流れを調量するように構成された
ことを特徴とする、燃焼器(10)。 - 前記シュラウド(26)が、溶接、ロウ付け、1以上のメカニカルファスナ及び/或いは接着剤の少なくともいずれかによって前記バッフルプレート(12)に固定される、請求項1記載の燃焼器(10)。
- 前記1以上のシール(38)は1以上のピストンリングであり、該1以上のピストンリングは2つである、請求項1又は2記載の燃焼器(10)。
- 前記複数の噴射孔(44)が前記燃料ノズルの端部を通って延びる、請求項1乃至3のいずれか1項に記載の燃焼器(10)。
- 前記複数の噴射孔(44)の各噴射孔(44)が、前記1以上の燃料ノズル(16)内の複数の空気流開口(54)の空気流開口(54)と円周方向にほぼ整列している、請求項1乃至4のいずれか1項に記載の燃焼器(10)。
- 前記希釈剤は、蒸気又は窒素である、1乃至5のいずれか1項に記載の燃焼器(10)。
- 燃焼器(10)に希釈剤(22)を供給する方法であって、
前記バッフルプレート(12)とカバーリング(18)との間に希釈プレナム(20)を設けるステップと、
前記バッフルプレート(12)内の貫通孔及び前記カバーリング(18)を貫通して延びる1以上の燃料ノズル(16)を設けるステップと、
前記1以上の燃料ノズル(16)を貫通して延びる複数の噴射孔(44)を設けるステップと、
前記1以上の燃料ノズル(16)の下流側端部(46)及び前記複数の噴射孔(44)の下流側に位置する、複数の空気開口(54)を備えたカラー(52)を設けるステップと、
前記希釈剤(22)を前記希釈プレナム(20)から前記1以上の燃料ノズル(16)と該1以上の燃料ノズル(16)の半径方向外側で前記バッフルプレート(12)に固定されたシュラウド(26)との間の流路(36)を通して流すステップと、
半径方向において前記シュラウド(26)と前記燃料ノズル(16)との間に設けられた1以上のシール(38)によって前記希釈剤(22)を前記複数の噴射孔(44)に流すステップと、
前記複数の噴射孔(44)から前記複数の空気流開口(54)内へ前記希釈剤(22)を流すステップと
を含むことを特徴とする、方法。 - 前記1以上のシール(38)は1以上のピストンリングであり、該1以上のピストンリングは2つである、請求項7記載の方法。
- 前記希釈剤の少なくとも一部を前記空気開口(54)に流入する空気流で混合する、請求項7又は8に記載の方法。
- 前記希釈剤は、蒸気又は窒素である、7乃至9のいずれか1項に記載の方法。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12/250,995 | 2008-10-14 | ||
| US12/250,995 US8567199B2 (en) | 2008-10-14 | 2008-10-14 | Method and apparatus of introducing diluent flow into a combustor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2010096493A JP2010096493A (ja) | 2010-04-30 |
| JP5507948B2 true JP5507948B2 (ja) | 2014-05-28 |
Family
ID=41508040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2009234699A Expired - Fee Related JP5507948B2 (ja) | 2008-10-14 | 2009-10-09 | 燃焼器内に希釈流を導入する方法及び装置 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US8567199B2 (ja) |
| EP (1) | EP2177834A3 (ja) |
| JP (1) | JP5507948B2 (ja) |
| CN (1) | CN101725974B (ja) |
Families Citing this family (12)
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| US20100281872A1 (en) * | 2009-05-06 | 2010-11-11 | Mark Allan Hadley | Airblown Syngas Fuel Nozzle With Diluent Openings |
| US8607570B2 (en) | 2009-05-06 | 2013-12-17 | General Electric Company | Airblown syngas fuel nozzle with diluent openings |
| RU2560099C2 (ru) * | 2011-01-31 | 2015-08-20 | Дженерал Электрик Компани | Топливное сопло (варианты) |
| US20120204571A1 (en) * | 2011-02-15 | 2012-08-16 | General Electric Company | Combustor and method for introducing a secondary fluid into a fuel nozzle |
| US8448442B2 (en) * | 2011-05-19 | 2013-05-28 | General Electric Company | Flexible combustor fuel nozzle |
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| US9284933B2 (en) * | 2013-03-01 | 2016-03-15 | Delavan Inc | Fuel nozzle with discrete jet inner air swirler |
| JP6725273B2 (ja) * | 2016-03-11 | 2020-07-15 | 三菱日立パワーシステムズ株式会社 | 翼、これを備えているガスタービン |
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| US8122721B2 (en) * | 2006-01-04 | 2012-02-28 | General Electric Company | Combustion turbine engine and methods of assembly |
| US20070234735A1 (en) * | 2006-03-28 | 2007-10-11 | Mosbacher David M | Fuel-flexible combustion sytem and method of operation |
| FR2899314B1 (fr) * | 2006-03-30 | 2008-05-09 | Snecma Sa | Dispositif d'injection d'un melange d'air et de carburant, chambre de combustion et turbomachine munies d'un tel dispositif |
| FR2903169B1 (fr) * | 2006-06-29 | 2011-11-11 | Snecma | Dispositif d'injection d'un melange d'air et de carburant, chambre de combustion et turbomachine munies d'un tel dispositif |
| US7810333B2 (en) | 2006-10-02 | 2010-10-12 | General Electric Company | Method and apparatus for operating a turbine engine |
| WO2008047825A1 (en) | 2006-10-20 | 2008-04-24 | Ihi Corporation | Gas turbine combustor |
| US7681398B2 (en) * | 2006-11-17 | 2010-03-23 | Pratt & Whitney Canada Corp. | Combustor liner and heat shield assembly |
| US20090013968A1 (en) * | 2007-07-09 | 2009-01-15 | Keegan Kevin R | Vapor recovery system for a direct injector fuel rail assembly |
| FR2918716B1 (fr) * | 2007-07-12 | 2014-02-28 | Snecma | Optimisation d'un film anti-coke dans un systeme d'injection |
-
2008
- 2008-10-14 US US12/250,995 patent/US8567199B2/en not_active Expired - Fee Related
-
2009
- 2009-10-09 JP JP2009234699A patent/JP5507948B2/ja not_active Expired - Fee Related
- 2009-10-13 EP EP09172845.1A patent/EP2177834A3/en not_active Withdrawn
- 2009-10-14 CN CN200910174089.2A patent/CN101725974B/zh not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US8567199B2 (en) | 2013-10-29 |
| JP2010096493A (ja) | 2010-04-30 |
| US20100089021A1 (en) | 2010-04-15 |
| CN101725974B (zh) | 2015-02-04 |
| CN101725974A (zh) | 2010-06-09 |
| EP2177834A3 (en) | 2017-08-16 |
| EP2177834A2 (en) | 2010-04-21 |
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