JP2017502243A - エアアシスト式燃料噴射用の燃料ノズル構造体 - Google Patents
エアアシスト式燃料噴射用の燃料ノズル構造体 Download PDFInfo
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- JP2017502243A JP2017502243A JP2016540592A JP2016540592A JP2017502243A JP 2017502243 A JP2017502243 A JP 2017502243A JP 2016540592 A JP2016540592 A JP 2016540592A JP 2016540592 A JP2016540592 A JP 2016540592A JP 2017502243 A JP2017502243 A JP 2017502243A
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- 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
- F23R3/26—Controlling the air flow
-
- 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
- F23R3/283—Attaching or cooling of fuel injecting means including supports for fuel injectors, stems, or lances
-
- 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
- F23D11/38—Nozzles; Cleaning devices therefor
- F23D11/386—Nozzle cleaning
-
- 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
-
- 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
- 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
- F23D2209/00—Safety arrangements
- F23D2209/30—Purging
-
- 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
- F23R2900/00004—Preventing formation of deposits on surfaces of gas turbine components, e.g. coke deposits
-
- 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
- F23R2900/03343—Pilot burners operating in premixed mode
-
- 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
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel-Injection Apparatus (AREA)
- Spray-Type Burners (AREA)
Abstract
Description
12 燃料システム
14 パイロット制御弁
16 パイロット燃料導管
18 パイロット、パイロット噴射器
20 主弁
22 主燃料導管
24 主噴射リング
26 中心軸線
28 スプリッタ
30 ベンチュリ管
32 内側本体
34 主リング支持体
36 外側本体
38 フェアリング
40 パイロット中央本体
42 排出オリフィス
44 計量プラグ
46 中央ボア
48 伝達孔
50 供給アニュラス
52 噴霧孔
54 上流セクション
56 スロート
58 分岐セクション
60 内側旋回ベーン
62 上流セクション
64 スロート
66 分岐セクション
68 外側旋回ベーン
70 熱シールド
72 ステム
74 主支持アーム
76 主燃料ギャラリ
78 主燃料オリフィス
80 パイロット燃料ギャラリ
82 前方端部
84 バッフル、後方端部
86 冷却孔
88 外側表面
90 二次流路
92 噴霧ウエル
94 開口部
96 ボイド、環状空間
98 小供給スロット
100 供給孔
102 ウエル入口
104 燃料ポスト
106 側面
108 外面
110 ギャップ
202 外周壁
204 燃料ポスト
206 側面
208 フロア
210 ギャップ
212 先端部表面
214 基部、凹状フィレット
216 凸状湾曲フィレット
218 補助ポート
224 主噴射リング
236 外側本体
276 主燃料ギャラリ
278 主燃料オリフィス
292 噴霧ウエル
294 開口部
296 ボイド
302 外周壁
304 燃料ポスト
306 側面
308 フロア
310 ギャップ
312 先端部表面
314 基部、凹状フィレット
316 肉厚部分、凸状湾曲フィレット
318 補助ポート
320 スカーフ
322 線
324 主噴射リング
336 外側本体
376 主燃料ギャラリ
378 主燃料ポート、主燃料オリフィス
392 噴霧ウエル
394 開口部
Claims (15)
- 中心軸線(26)に平行に延びる環状外側本体(36)であって、前方および後方端部(82,84)の間に延びる略円筒状の外側表面(88)と、前記外側表面(88)を通過する複数の開口部(94)とを有する環状外側本体(36)と、
前記外側本体(36)の内側に配置され、前記外側本体(36)と協働して環状空間(96)を画定する環状内側本体(32)と、
前記環状空間(96)の内側に配置された環状主噴射リング(24)であって、そこから径方向外側に延びる環状の燃料ポスト(104)のアレイを含む環状主噴射リング(24)と、
前記外側本体(36)の前記開口部(94)の1つと位置合わせされ、前記環状空間(96)と連通する外周ギャップ(110)によって前記開口部(94)から分離されている各燃料ポスト(104)と、
前記主噴射リング(24)内で周方向に延びる主燃料ギャラリ(76)と、
各々が前記主燃料ギャラリ(76)と連通し、前記燃料ポスト(104)の1つを通って延びる複数の主燃料オリフィス(78)とを含む、ガスタービンエンジン用の燃料ノズル装置。 - 各開口部(94)が、前記外側本体(36)の内側表面に形成された円錐形のウエル入口(102)と連通し、
各燃料ポスト(104)が、形状が切頭円錐形であり、円錐形の側面(106)と、平坦な径方向向き外面(108)とを含み、前記外周ギャップ(110)が、前記ウエル入口(102)と前記側面(106)との間で画定されている請求項1に記載の装置。 - 各燃料ポスト(204)が、円筒状の側面(206)を画定する外周壁(202)と、前記外周壁(202)の先端部表面(212)から径方向内側に凹んで噴霧ウエル(292)を画定する径方向外側向きフロア(208)とを含み、
前記外周ギャップ(210)が、前記開口部(294)と前記側面(206)との間で画定されている請求項1に記載の装置。 - 前記燃料ポスト(204)が、前記外側本体(36)の外面を越えて径方向外側に延びる請求項3に記載の装置。
- 凹状フィレット(214)が、前記燃料ポスト(204)と前記主噴射リング(224)の接合部に配置されている請求項3に記載の装置。
- 凸状湾曲フィレット(216)が、前記開口部(294)に隣接する前記外側本体(236)に形成されている請求項3に記載の装置。
- 補助ポート(218)が、前記外周壁(202)と前記フロア(208)の交差部近傍の前記外周壁(202)に形成されている請求項3に記載の装置。
- 各燃料ポスト(304)が、平面視で細長く、側面(306)を画定する外周壁(302)と、前記外周壁(302)の先端部表面(312)から径方向内側に凹んで噴霧ウエル(392)を画定する径方向外側向きフロア(308)とを含み、
前記外周ギャップ(310)が、前記開口部(394)と前記側面(306)との間で画定されている請求項1に記載の装置。 - 凹状フィレット(314)が、前記燃料ポスト(304)と前記主噴射リング(324)の接合部に配置されている請求項8に記載の装置。
- 凸状湾曲フィレット(316)が、前記開口部(394)に隣接する前記外側本体(336)に形成されている請求項8に記載の装置。
- 補助ポート(318)が、前記外周壁(302)と前記フロア(308)の交差部近傍の前記外周壁(302)に形成されている請求項8に記載の装置。
- 前記燃料ポスト(304)の少なくとも1つが、前記先端部表面(312)に平行な線(322)に沿って延びる傾斜状のスカーフ(320)を組み込み、前記スカーフ(320)が、前記噴霧ウエル(392)で最大径方向深さを有し、径方向高さで外側に先細りし、前記噴霧ウエル(392)から間隔を置いた位置で前記先端部表面(312)を接合する請求項8に記載の装置。
- 各燃料ポスト(304)の前記外周壁(302)が、平面視でレーストラック形状である請求項8に記載の装置。
- 前記内側本体(32)の内側に配置された最小径のスロート(64)を含む環状ベンチュリ管(30)と、
前記ベンチュリ管(30)の内側に配置された環状スプリッタ(28)と、
前記ベンチュリ管(30)と前記スプリッタ(28)との間に延びる外側旋回ベーン(68)のアレイと、
前記スプリッタ(28)内に配置されたパイロット燃料噴射器(18)と、
前記スプリッタ(28)と前記パイロット燃料噴射器(18)との間に延びる内側旋回ベーン(60)のアレイとをさらに含む請求項1に記載の装置。 - 液体燃料の流れを異なる流量で供給するように動作可能な燃料システム(12)と、
前記燃料システム(12)と前記パイロット燃料噴射器(18)との間に結合されたパイロット燃料導管(16)と、
前記燃料システム(12)と前記主噴射リング(24)との間に結合された主燃料導管(22)とをさらに含む請求項1に記載の装置。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201361920002P | 2013-12-23 | 2013-12-23 | |
| US61/920,002 | 2013-12-23 | ||
| PCT/US2014/072023 WO2015147934A1 (en) | 2013-12-23 | 2014-12-23 | Fuel nozzle structure for air-assisted fuel injection |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2019190270A Division JP2020034271A (ja) | 2013-12-23 | 2019-10-17 | エアアシスト式燃料噴射用の燃料ノズル構造体 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2017502243A true JP2017502243A (ja) | 2017-01-19 |
| JP6606080B2 JP6606080B2 (ja) | 2019-11-13 |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2016540592A Expired - Fee Related JP6606080B2 (ja) | 2013-12-23 | 2014-12-23 | エアアシスト式燃料噴射用の燃料ノズル構造体 |
| JP2019190270A Pending JP2020034271A (ja) | 2013-12-23 | 2019-10-17 | エアアシスト式燃料噴射用の燃料ノズル構造体 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2019190270A Pending JP2020034271A (ja) | 2013-12-23 | 2019-10-17 | エアアシスト式燃料噴射用の燃料ノズル構造体 |
Country Status (6)
| Country | Link |
|---|---|
| US (3) | US10451282B2 (ja) |
| EP (1) | EP3087321B1 (ja) |
| JP (2) | JP6606080B2 (ja) |
| CN (1) | CN105829800B (ja) |
| CA (1) | CA2933536C (ja) |
| WO (1) | WO2015147934A1 (ja) |
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| US11649963B2 (en) | 2018-06-01 | 2023-05-16 | Ihi Corporation | Liquid fuel injector |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015147934A1 (en) | 2015-10-01 |
| CN105829800A (zh) | 2016-08-03 |
| US20200041128A1 (en) | 2020-02-06 |
| JP6606080B2 (ja) | 2019-11-13 |
| CN105829800B (zh) | 2019-04-26 |
| EP3087321B1 (en) | 2020-03-25 |
| CA2933536A1 (en) | 2015-10-01 |
| US20220186930A1 (en) | 2022-06-16 |
| US20170003030A1 (en) | 2017-01-05 |
| US11300295B2 (en) | 2022-04-12 |
| CA2933536C (en) | 2018-06-26 |
| EP3087321A1 (en) | 2016-11-02 |
| US10451282B2 (en) | 2019-10-22 |
| JP2020034271A (ja) | 2020-03-05 |
| US12055295B2 (en) | 2024-08-06 |
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