JP6557463B2 - 予混合パイロットノズルを備える燃料噴射器 - Google Patents
予混合パイロットノズルを備える燃料噴射器 Download PDFInfo
- Publication number
- JP6557463B2 JP6557463B2 JP2014247520A JP2014247520A JP6557463B2 JP 6557463 B2 JP6557463 B2 JP 6557463B2 JP 2014247520 A JP2014247520 A JP 2014247520A JP 2014247520 A JP2014247520 A JP 2014247520A JP 6557463 B2 JP6557463 B2 JP 6557463B2
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- premix
- pilot nozzle
- air
- premixing
- 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.)
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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
- 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
- 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
- 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
- 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Nozzles (AREA)
Description
12 燃料ノズルアセンブリ、ノズルアセンブリ、燃料ノズル
13 先端部ボリューム
14 燃料供給
16 燃焼器
18 タービン
20 排出出口
21 封
22 シャフト
23 空気取入口
24 圧縮器
25 ノズルフランジ
26 ディフューザ出口
27 エンドプレート
28 荷重
29 (後装式パイロットノズルのための)予混合パイロットフランジ、パイロットフランジ
30 (図6における)空気流、空気
31 (図6、11における燃料の流れ)予混合パイロット燃料、燃料
32 燃焼チャンバ反応域
33 軸方向中心線、中心対称軸
34 (図12、13、14における軸方向の)中心予混合軸、予混合軸
35 後装式の予混合パイロットシリンダ
36 燃料カートリッジ
37 中央燃料流路、オイルカートリッジ
38 軸方向に延びる周壁
40 空気入口
42 ノズル出口
43 副空気流路
44 中心胴体、外壁
45 燃料パイプ
46 環状燃料流路
47 旋回翼、翼
48 燃料予混合噴射リング(スウォズル)
49 燃料出口開口
50 半径方向外側の空気流路
51 中心胴体44の中空内部、内部流路
52 (燃料予混合噴射リング48への)半径方向の燃料流路
53 (予混合されたパイロットノズル60の)軸方向に延在する内部チャネル
54 (中心胴体44の中空内部51を画定する)内側筒壁
55 軸方向に延在する燃料導管
56 空気プレナム
57 半径方向の空気供給管、カーテン空気流路
58 上流エンドプレート
59 燃料入口管
60 予混合パイロットノズル
61 (予混合パイロットノズル60における)予混合流路
61a 入口開口
61b 出口開口
62 一次燃料入口
62a 二次燃料入口
63 燃料プレナム
64 予混合管
65a 上流エンドプレート
65b 下流エンドプレート
67 (予混合パイロットノズル60の)入口
68 (予混合パイロットノズル60の)出口
Claims (5)
- ガスタービン機関用の燃料噴射器であって、
a.前記噴射器の外被を画定する軸方向に延びる周壁(38)であって、軸方向に延びる内部空洞を画定する内部表面を有する、周壁(38)と、
b.軸方向に延びる前記内部空洞内に配置された中心胴体(44)であって、前記中心胴体(44)が、外壁により画定され、前記外壁が、上流端と、前記上流端の軸方向反対側に配置された下流端とを含み、軸方向に延びる前記周壁(38)の長手軸の周りに同軸に配置され、前記外壁が、前記外壁の半径方向内側に内部流路(51)を画定し、前記内部流路(51)が、前記上流端から前記下流端に空気の流れを通し、前記中心胴体(44)と軸方向に延びる前記周壁(38)が、両者の間に一次空気流チャネルを画定する、中心胴体(44)と、
c.前記中心胴体(44)の内部に配置され、前記中心胴体(44)の前記上流端から前記下流端へ軸方向に延びる燃料パイプであって、前記燃料パイプが、軸方向に延びる前記周壁(38)の長手軸から半径方向外側に配置される燃料流路を画定し、前記燃料パイプが、燃料源と流体連通する、前記燃料パイプと、
d.前記一次空気流チャネル中を横切って円周方向に延在する複数の旋回翼(47)を含むスウォズルであって、前記旋回翼(47)のうちの少なくとも1つが、半径方向の空気供給管を備え、前記半径方向の空気供給管が、ヘッドエンド容積からの空気が軸方向に延びる前記内部流路(51)に入る補助空気空気流路を画定し、前記旋回翼(47)のうちの少なくとも1つが、前記一次空気流チャネルと流体連通するように構成され、配置される少なくとも1つの燃料出口開口を画定する、スウォズルと、
e.前記中心胴体(44)の前記下流端に配置された予混合パイロットノズル(60)であって、前記予混合パイロットノズル(60)が、前記予混合パイロットノズル(60)の前記上流端に周方向に延びる燃料プレナムを画定し、前記燃料流路が前記燃料プレナムと流体連通し、前記予混合パイロットノズル(60)が、前記燃料プレナムと流体連通する、軸方向に延びる複数の予混合流路(61)を画定し、前記複数の予混合流路(61)が、前記予混合パイロットノズル(60)の下流端で複数の出口開口を画定し、前記予混合パイロットノズル(60)が、前記予混合パイロットノズル(60)の上流端で少なくとも1つの入口開口(61a)を画定し、前記少なくとも1つの入口開口(61a)が、前記内部流路(51)から前記複数の予混合流路(61)へ流体を流し、前記予混合パイロットノズル(60)が、前記予混合パイロットノズル(60)の下流端で出口を画定し、前記予混合パイロットノズル(60)が、前記出口から前記内部流路(51)の前記下流端へ、上流に延びる前記燃料パイプの半径方向内側で軸方向に延びる内部チャネルを画定する、予混合パイロットノズル(60)と、
を備える、燃料噴射器。 - 前記中心胴体(44)が、前記スウォズルの少なくとも1つの燃料導管(55)と、流体連通する環状の燃料通路を画定する、請求項1に記載の燃料噴射器。
- 各予混合流路(61)の前記出口開口(61b)が前記内部チャネルの周りで周状に配置される、請求項1または2に記載の燃料噴射器。
- 各予混合流路(61)が前記内部チャネルの周りで周状に配置される、請求項1または2に記載の燃料噴射器。
- 複数の半径方向の空気供給管(57)であって、各半径方向の空気供給管(57)が前記軸方向に延びる周壁を通して延在し、前記予混合流路(61)のうちの1つの前記入口開口(61a)のうちの少なくとも1つと流体接続する、複数の半径方向の空気供給管(57)をさらに備える、請求項1乃至4のいずれかに記載の燃料噴射器。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US14/102,846 US9435540B2 (en) | 2013-12-11 | 2013-12-11 | Fuel injector with premix pilot nozzle |
| US14/102,846 | 2013-12-11 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2015114098A JP2015114098A (ja) | 2015-06-22 |
| JP2015114098A5 JP2015114098A5 (ja) | 2018-01-18 |
| JP6557463B2 true JP6557463B2 (ja) | 2019-08-07 |
Family
ID=53185441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2014247520A Active JP6557463B2 (ja) | 2013-12-11 | 2014-12-08 | 予混合パイロットノズルを備える燃料噴射器 |
Country Status (5)
| Country | Link |
|---|---|
| US (2) | US9435540B2 (ja) |
| JP (1) | JP6557463B2 (ja) |
| CN (1) | CN204678394U (ja) |
| CH (1) | CH708992A2 (ja) |
| DE (1) | DE102014117621A1 (ja) |
Cited By (1)
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| US11592180B2 (en) | 2021-01-13 | 2023-02-28 | Doosan Enerbility Co., Ltd. | Combustor nozzle, combustor, and gas turbine including same |
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2013
- 2013-12-11 US US14/102,846 patent/US9435540B2/en active Active
-
2014
- 2014-12-01 DE DE102014117621.9A patent/DE102014117621A1/de not_active Withdrawn
- 2014-12-04 CH CH01883/14A patent/CH708992A2/de not_active Application Discontinuation
- 2014-12-08 JP JP2014247520A patent/JP6557463B2/ja active Active
- 2014-12-11 CN CN201420776608.9U patent/CN204678394U/zh not_active Expired - Lifetime
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2016
- 2016-07-28 US US15/221,747 patent/US10072848B2/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11592180B2 (en) | 2021-01-13 | 2023-02-28 | Doosan Enerbility Co., Ltd. | Combustor nozzle, combustor, and gas turbine including same |
Also Published As
| Publication number | Publication date |
|---|---|
| US9435540B2 (en) | 2016-09-06 |
| JP2015114098A (ja) | 2015-06-22 |
| US10072848B2 (en) | 2018-09-11 |
| US20170138600A1 (en) | 2017-05-18 |
| US20150159875A1 (en) | 2015-06-11 |
| CN204678394U (zh) | 2015-09-30 |
| CH708992A2 (de) | 2015-06-15 |
| DE102014117621A1 (de) | 2015-06-11 |
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