JP5583368B2 - 予混合直接噴射ノズル - Google Patents
予混合直接噴射ノズル Download PDFInfo
- Publication number
- JP5583368B2 JP5583368B2 JP2009173798A JP2009173798A JP5583368B2 JP 5583368 B2 JP5583368 B2 JP 5583368B2 JP 2009173798 A JP2009173798 A JP 2009173798A JP 2009173798 A JP2009173798 A JP 2009173798A JP 5583368 B2 JP5583368 B2 JP 5583368B2
- Authority
- JP
- Japan
- Prior art keywords
- body portion
- fuel
- peripheral wall
- injection nozzle
- outer peripheral
- 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.)
- Active
Links
- 238000002347 injection Methods 0.000 title claims description 28
- 239000007924 injection Substances 0.000 title claims description 28
- 239000000446 fuel Substances 0.000 claims description 49
- 230000002093 peripheral effect Effects 0.000 claims description 36
- 238000001816 cooling Methods 0.000 claims description 28
- 239000012530 fluid Substances 0.000 claims description 25
- 238000002156 mixing Methods 0.000 claims description 21
- 238000002485 combustion reaction Methods 0.000 claims description 17
- 239000000203 mixture Substances 0.000 claims description 10
- 239000007921 spray Substances 0.000 claims 1
- 239000002826 coolant Substances 0.000 description 13
- 239000007789 gas Substances 0.000 description 11
- 230000001133 acceleration Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 230000006378 damage Effects 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 230000003685 thermal hair damage Effects 0.000 description 3
- 239000000567 combustion gas Substances 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- -1 but not limited to Substances 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 239000012809 cooling fluid Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Images
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
- 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
Description
第1の端部154は、管130の束(管束121)の流体出口135に隣接して主本体部分111に連結される。図3で最もよく分かるように、第2の本体部分は、第1の端部154及び第2の端部155間で収束して、管束121の下流に加速ゾーン150を形成する。このことは、流体出口135から流出した後に燃料及び空気の連続的な混合を生じさせかつ加速ゾーン150及び第2の端部155の外部の火炎ゾーンに向けて燃料/空気混合気を加速する作用を有する。管束121は、個々の管130の第2の端部セクション132に沿って球状遮蔽ドームの形態になった面160を形成する。ドーム形状は、内周壁153の周辺部に沿った管130が加速ゾーン150内に落ち込む流体出口135における急激な面積拡大を防止することを意図している。
11 圧縮機
14 燃焼器組立体
16 燃焼器組立体壁
12 燃焼室
110 予混合装置又はノズル
21 燃料入口
30 タービン
31 圧縮機/タービンシャフト
111 主本体部分
112 外周壁
113 内周壁
114 燃料流路
115 内部空間
116 入口端部
121 管束
117 出口端部
130 燃料/空気混合管
136 バンド
131 第1の端部セクション
132 第2の端部セクション
133 中間部分
134 第1の流体入口
135 流体出口
141 燃料プレナム
142 流体入口
150 混合ゾーン
151 第2の本体部分
152 外周壁
153 内周壁
154 第1の端部
155 第2の端部
160 面
171 冷却媒体プレナム
172 オリフィス
173 冷却通路
174 ブリード孔
181 冷却通路
182 入口オリフィス
183 冷却出口オリフィス
Claims (13)
- 外周壁(112)を有する主本体部分(111)と、
前記主本体部分(111)内に配置された複数の燃料/空気混合管(130)と、
前記複数の燃料/空気混合管(130)に流体連結された燃料流路(114)と、
外周壁(152)を有しかつ第1の端部(154)と反対側の第2の端部(155)の間で延びる第2の本体部分(151)と、
第2の本体部分(151)に設けられかつ少なくとも部分的に前記第2の本体部分(151)の外周壁(152)に沿って延びる第1の冷却通路(181)と
を備えていて、第1の端部(154)が、前記複数の燃料/空気混合管(130)に隣接して前記主本体部分(111)に連結され、第2の本体部分(151)が、第1の端部(154)から第2の端部(155)に向かって収束する、噴射ノズル(110)。 - 前記複数の燃料/空気混合管(130)に隣接して設置された第2の冷却通路(173)を含む、請求項1記載の噴射ノズル。
- 前記複数の燃料/空気混合管(130)が互いに取付けられて単一の管束(121)を形成する、請求項1又は請求項2記載の噴射ノズル。
- 前記第1の冷却通路(181)が前記第2の本体部分(151)の外周壁(152)に設けられた複数の入口オリフィス(182)を含む、請求項1乃至請求項3のいずれか1項記載の噴射ノズル。
- 前記冷却入口オリフィス(182)が前記第2の本体部分(151)の外周壁(152)に対して略直角である、請求項4記載の噴射ノズル。
- 前記第1の冷却通路(181)が前記第2の本体部分(151)の外周壁(152)と内周壁(153)の間のギャップ内に形成される、請求項1乃至請求項5のいずれか1項記載の噴射ノズル。
- 前記第2の本体部分(151)の内周壁(153)及び外周壁(152)が略同心に間隔を置いて配置される、請求項6記載の噴射ノズル。
- 前記第1の冷却通路(181)が前記第2の本体部分(151)の内周壁(153)に設けられた冷却出口オリフィス(183)を含む、請求項7記載の噴射ノズル。
- 前記燃料流路(114)が前記主本体部分(111)の外周壁(112)と内周壁(113)の間に配置され、前記主本体部分(111)の内周壁(113)の内側の内部空間(115)に空気が供給される、請求項1乃至請求項8のいずれか1項記載の噴射ノズル。
- 前記複数の燃料/空気混合管(130)の各々が第1の端部セクション(131)から中間部分(133)を通って第2の端部セクション(132)まで延びており、前記第1の端部セクション(131)に第1の流体入口(134)が形成され、前記第2の端部セクション(132)に流体出口(135)が形成されている、請求項1乃至請求項9のいずれか1項記載の噴射ノズル。
- 前記複数の燃料/空気混合管(130)が互いに取付けられて単一の管束(121)を形成しており、前記管束(121)が、前記第2の端部セクション(132)に沿ってドーム形状の面(160)を形成している、請求項10記載の噴射ノズル。
- 前記燃料流路(114)が、燃料プレナム(141)を介して、前記燃料/空気混合管(130)の第2の流体入口(142)に流体連結されている、請求項10又は請求項11記載の噴射ノズル。
- 燃料/空気混合気が、前記第2の本体部分(151)の第2の端部(155)の下流に位置する燃焼室(12)内で点火される、請求項1乃至請求項12のいずれか1項記載の噴射ノズル。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/245,266 | 2008-10-03 | ||
US12/245,266 US7886991B2 (en) | 2008-10-03 | 2008-10-03 | Premixed direct injection nozzle |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010091258A JP2010091258A (ja) | 2010-04-22 |
JP5583368B2 true JP5583368B2 (ja) | 2014-09-03 |
Family
ID=41795203
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009173798A Active JP5583368B2 (ja) | 2008-10-03 | 2009-07-27 | 予混合直接噴射ノズル |
Country Status (5)
Country | Link |
---|---|
US (1) | US7886991B2 (ja) |
JP (1) | JP5583368B2 (ja) |
CN (1) | CN101713541B (ja) |
CH (1) | CH699684B1 (ja) |
DE (1) | DE102009026313A1 (ja) |
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JP4961415B2 (ja) * | 2008-12-04 | 2012-06-27 | 株式会社日立製作所 | ガスタービン燃焼器 |
JP5180807B2 (ja) | 2008-12-24 | 2013-04-10 | 三菱重工業株式会社 | 1段静翼の冷却構造、及びガスタービン |
US8297059B2 (en) * | 2009-01-22 | 2012-10-30 | General Electric Company | Nozzle for a turbomachine |
US9140454B2 (en) * | 2009-01-23 | 2015-09-22 | General Electric Company | Bundled multi-tube nozzle for a turbomachine |
US8539773B2 (en) * | 2009-02-04 | 2013-09-24 | General Electric Company | Premixed direct injection nozzle for highly reactive fuels |
US8616002B2 (en) * | 2009-07-23 | 2013-12-31 | General Electric Company | Gas turbine premixing systems |
JP5479058B2 (ja) * | 2009-12-07 | 2014-04-23 | 三菱重工業株式会社 | 燃焼器とタービン部との連通構造、および、ガスタービン |
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US9004912B2 (en) | 2011-11-11 | 2015-04-14 | General Electric Company | Combustor and method for supplying fuel to a combustor |
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US9366440B2 (en) | 2012-01-04 | 2016-06-14 | General Electric Company | Fuel nozzles with mixing tubes surrounding a liquid fuel cartridge for injecting fuel in a gas turbine combustor |
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JP5331909B2 (ja) * | 2012-02-17 | 2013-10-30 | 株式会社日立製作所 | 燃焼器 |
US9341376B2 (en) | 2012-02-20 | 2016-05-17 | General Electric Company | Combustor and method for supplying fuel to a combustor |
US9052112B2 (en) | 2012-02-27 | 2015-06-09 | General Electric Company | Combustor and method for purging a combustor |
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-
2008
- 2008-10-03 US US12/245,266 patent/US7886991B2/en active Active
-
2009
- 2009-07-24 CH CH01169/09A patent/CH699684B1/de not_active IP Right Cessation
- 2009-07-27 JP JP2009173798A patent/JP5583368B2/ja active Active
- 2009-08-03 DE DE102009026313A patent/DE102009026313A1/de not_active Withdrawn
- 2009-08-03 CN CN200910164171.7A patent/CN101713541B/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2010091258A (ja) | 2010-04-22 |
US20100084490A1 (en) | 2010-04-08 |
CN101713541A (zh) | 2010-05-26 |
US7886991B2 (en) | 2011-02-15 |
CN101713541B (zh) | 2014-01-29 |
CH699684B1 (de) | 2013-09-13 |
CH699684A2 (de) | 2010-04-15 |
DE102009026313A1 (de) | 2010-04-08 |
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