JPH07504265A - 予混合ガスノズル - Google Patents
予混合ガスノズルInfo
- Publication number
- JPH07504265A JPH07504265A JP5514805A JP51480593A JPH07504265A JP H07504265 A JPH07504265 A JP H07504265A JP 5514805 A JP5514805 A JP 5514805A JP 51480593 A JP51480593 A JP 51480593A JP H07504265 A JPH07504265 A JP H07504265A
- Authority
- JP
- Japan
- Prior art keywords
- chamber
- burner
- gas flow
- pilot
- gas
- 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
Classifications
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- 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
- F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/30—Injector mixers
- B01F25/31—Injector mixers in conduits or tubes through which the main component flows
- B01F25/313—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit
- B01F25/3131—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit with additional mixing means other than injector mixers, e.g. screens, baffles or rotating elements
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- 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
- 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
- F23D14/62—Mixing devices; Mixing tubes
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1ガスタービンエンジン用の低NOxバーナにおいて、 軸方向に延びるチャンバー壁を有するとともに上流端及び出口端を有する実質的 に円筒形のバーナチャンバーと、 この円筒形のバーナチャンバーの壁に設けられて、前記チャンバー壁に正接する スロット壁を有する少なくともひとつの長手方向に延びるスロットと、このスロ ットを通して空気を供給する供給手段と、前記スロットに隣接して設けられ、空 気流れが前記スロットを通過するときにこの空気流れ中にガスを噴射する複数の 軸方向に間隔を置いた開口を有するガス分配マニホルドと、 前記チャンバー内でその軸線上に設けられ、前記チャンバーの上流端側に位置す る底部と前記チャンバーの出口端に向って位置する頂部とを有する円錐ボデーと 、 この円錐ボデーの頂部側の端に設けられた噴射開口を有するガスバイロット管と 、 を包含することを特徴とするバーナ。 2請求項1記載のバーナにおいて、前記実質的に円筒形のチャンバーは複数の部 分シリンダーにより形成され、これらの各部分シリンダーは他の部分シリンダー の軸線からずらされた軸線を有し、これにより前記スロットが2つの隣接する部 分シリンダーの壁間に形成されているバーナ。 3請求項2記載のバーナにおいて、前記部分シリンダーの数は2つであるバーナ 。 4請求項1記載のバーナにおいて、前記ガスパイロット管は、前記円錐ボデーの 頂部又はこの頂部より多少上流側で前記円錐ボデーの外面まわりに設けられた複 数の円周方向に間隔を置いた噴射開口を有しているバーナ。 5請求項1記載のバーナにおいて、前記円錐ボデーに設けられる噴射開口は、前 記チャンバーの出口から前記チャンバーの軸方向長さの25%以内の部分に設け られているバーナ。 6請求項3記載のバーナにおいて、前記ガスパイロット管は、前記円錐ボデーの 頂部又はこの頂部より多少上流側で前記円錐ボデーの外面まわりに設けられた複 数の円周方向に間隔を置いた噴射開口を有しているバーナ。 7請求項4記載のバーナにおいて、前記円錐ボデーに設けられる噴射開口は、前 記チャンバーの出口から前記チャンバーの軸方向長さの25%以内の部分に設け られているバーナ。 8請求項6記載のバーナにおいて、前記円錐ボデーに設けられる噴射開口は、前 記チャンバーの出口から前記チャンバーの軸方向長さの25%以内の部分に設け られているバーナ。 9予混合型式の燃焼でもってガスをガスタービンエンジン内で燃焼する方法にお いて、 出口端を有するとともにこの出口端に向って増大する軸方向流れ区域を有する実 質的に円筒形のチャンバー内に、燃焼用空気を接線方向に導入する段階と、前記 実質的に円筒形のチャンバーへの入口で主ガス流れを分配して前記燃焼用空気中 に噴射する段階と、前記実質的に円筒形のチャンバーの出口で前記主ガス流れを 燃焼する段階と、 前記チャンバーの中央軸線上でパイロットガス流れを前記チャンバー内に導入す る段階と、を包含することを特徴とする方法。 10請求項9記載の方法において、前記パイロットガス流れを前記チャンバーの 出口から前記チャンバーの軸方向長さの25%以内の部分から導入するようにし た方法。 11請求項9記載の方法において、前記ガスタービンエンジンの量大出力では、 前記パイロットガス流れと前記主ガス流れとの総量の4%〜5%のガス流れをパ イロットガス流れとして導入し、前記最大出力以下の出力では、前記パイロット ガス流れと前記主ガス流れとの総量の割合にしたがって前記パイロットガス流れ の割合を増大させるようにした方法。 12請求項10記載の方法において、前記ガスタービンエンジンの最大出力では 、前記パイロットガス流れと前記主ガス流れとの総量の4%〜5%のガス流れを パイロットガス流れとして導入し、前記最大出力以下の出力では、前記パイロッ トガス流れと前記主ガス流れとの総量の割合にしたがって前記パイロットガス流 れの割合を増大させるようにした方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/841,942 US5307634A (en) | 1992-02-26 | 1992-02-26 | Premix gas nozzle |
US841,942 | 1992-02-26 | ||
PCT/US1992/010269 WO1993017279A1 (en) | 1992-02-26 | 1992-11-20 | Premix gas nozzle |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH07504265A true JPH07504265A (ja) | 1995-05-11 |
JP3180138B2 JP3180138B2 (ja) | 2001-06-25 |
Family
ID=25286131
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP51480593A Expired - Lifetime JP3180138B2 (ja) | 1992-02-26 | 1992-11-20 | 予混合ガスノズル |
Country Status (5)
Country | Link |
---|---|
US (2) | US5307634A (ja) |
EP (1) | EP0627062B1 (ja) |
JP (1) | JP3180138B2 (ja) |
DE (1) | DE69220091T2 (ja) |
WO (1) | WO1993017279A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004507701A (ja) * | 2000-06-15 | 2004-03-11 | アルストム(スイッツァーランド)リミテッド | バーナーの運転方法と段階的予混合ガス噴射バーナー |
JP2009121806A (ja) * | 2007-11-09 | 2009-06-04 | Alstom Technology Ltd | バーナー操作方法 |
JP2011153624A (ja) * | 2010-01-26 | 2011-08-11 | Alstom Technology Ltd | ガスタービンの運転方法およびガスタービン |
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DE4440558A1 (de) * | 1994-11-12 | 1996-05-15 | Abb Research Ltd | Vormischbrenner |
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DE19515082B4 (de) * | 1995-04-25 | 2005-02-03 | Alstom | Vormischbrenner |
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EP0849528A3 (en) | 1996-12-20 | 1999-06-02 | United Technologies Corporation | Two stream tangential entry nozzle |
US5791562A (en) * | 1996-12-20 | 1998-08-11 | United Technologies Corporation | Conical centerbody for a two stream tangential entry nozzle |
US5899076A (en) * | 1996-12-20 | 1999-05-04 | United Technologies Corporation | Flame disgorging two stream tangential entry nozzle |
EP0849530A3 (en) | 1996-12-20 | 1999-06-09 | United Technologies Corporation | Fuel nozzles and centerbodies therefor |
DE69727899T2 (de) | 1996-12-20 | 2004-07-29 | United Technologies Corp., Hartford | Tangentiale Brennstoffeintrittsdüse |
US5761897A (en) | 1996-12-20 | 1998-06-09 | United Technologies Corporation | Method of combustion with a two stream tangential entry nozzle |
US5896739A (en) * | 1996-12-20 | 1999-04-27 | United Technologies Corporation | Method of disgorging flames from a two stream tangential entry nozzle |
DE19721937B4 (de) * | 1997-05-26 | 2008-12-11 | Alstom | Vormischbrenner zum Betrieb eines Aggregates zur Erzeugung eines Heissgases |
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CH678757A5 (ja) * | 1989-03-15 | 1991-10-31 | Asea Brown Boveri | |
US4977740A (en) * | 1989-06-07 | 1990-12-18 | United Technologies Corporation | Dual fuel injector |
CH680467A5 (ja) * | 1989-12-22 | 1992-08-31 | Asea Brown Boveri |
-
1992
- 1992-02-26 US US07/841,942 patent/US5307634A/en not_active Expired - Lifetime
- 1992-11-20 WO PCT/US1992/010269 patent/WO1993017279A1/en active IP Right Grant
- 1992-11-20 EP EP93900709A patent/EP0627062B1/en not_active Expired - Lifetime
- 1992-11-20 DE DE69220091T patent/DE69220091T2/de not_active Expired - Fee Related
- 1992-11-20 JP JP51480593A patent/JP3180138B2/ja not_active Expired - Lifetime
-
1993
- 1993-10-06 US US08/132,266 patent/US5402633A/en not_active Expired - Lifetime
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004507701A (ja) * | 2000-06-15 | 2004-03-11 | アルストム(スイッツァーランド)リミテッド | バーナーの運転方法と段階的予混合ガス噴射バーナー |
JP2009121806A (ja) * | 2007-11-09 | 2009-06-04 | Alstom Technology Ltd | バーナー操作方法 |
JP2011153624A (ja) * | 2010-01-26 | 2011-08-11 | Alstom Technology Ltd | ガスタービンの運転方法およびガスタービン |
US9062886B2 (en) | 2010-01-26 | 2015-06-23 | Alstom Technology Ltd. | Sequential combustor gas turbine including a plurality of gaseous fuel injection nozzles and method for operating the same |
Also Published As
Publication number | Publication date |
---|---|
EP0627062B1 (en) | 1997-05-28 |
DE69220091T2 (de) | 1998-01-02 |
US5402633A (en) | 1995-04-04 |
DE69220091D1 (de) | 1997-07-03 |
EP0627062A1 (en) | 1994-12-07 |
US5307634A (en) | 1994-05-03 |
WO1993017279A1 (en) | 1993-09-02 |
JP3180138B2 (ja) | 2001-06-25 |
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