JP2010181137A - 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
- JP2010181137A JP2010181137A JP2009273094A JP2009273094A JP2010181137A JP 2010181137 A JP2010181137 A JP 2010181137A JP 2009273094 A JP2009273094 A JP 2009273094A JP 2009273094 A JP2009273094 A JP 2009273094A JP 2010181137 A JP2010181137 A JP 2010181137A
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- tube
- fuel injection
- air mixing
- injection hole
- 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
- 238000002347 injection Methods 0.000 title claims abstract description 85
- 239000007924 injection Substances 0.000 title claims abstract description 85
- 239000000446 fuel Substances 0.000 claims abstract description 158
- 238000002156 mixing Methods 0.000 claims abstract description 65
- 238000000926 separation method Methods 0.000 claims description 14
- 238000002485 combustion reaction Methods 0.000 abstract description 14
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 239000000243 solution Substances 0.000 abstract 1
- 239000012530 fluid Substances 0.000 description 25
- 239000007789 gas Substances 0.000 description 17
- 239000000203 mixture Substances 0.000 description 15
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 14
- 239000001257 hydrogen Substances 0.000 description 14
- 229910052739 hydrogen Inorganic materials 0.000 description 14
- 230000002093 peripheral effect Effects 0.000 description 10
- 238000000034 method Methods 0.000 description 8
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000003345 natural gas Substances 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 239000000567 combustion gas Substances 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 230000009257 reactivity Effects 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
- 239000000809 air pollutant Substances 0.000 description 1
- 231100001243 air pollutant Toxicity 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- -1 i.e. Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000011144 upstream manufacturing 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
- F23R3/02—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
-
- 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
- F23D—BURNERS
- F23D2900/00—Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas
- F23D2900/00008—Burner assemblies with diffusion and premix modes, i.e. dual mode burners
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D2900/00—Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas
- F23D2900/00012—Liquid or gas fuel burners with flames spread over a flat surface, either premix or non-premix type, e.g. "Flächenbrenner"
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)
Abstract
【解決手段】燃料/空気混合管(130)は、入口端部(134)と出口端部(135)との間に管軸に沿って軸方向に延出する管外壁(201)を含み、管外壁(201)は、内径を有する管内面(203)と管外径を有する管外面(202)との間で規定された厚さを有する。管(130)は、管外壁(201)を貫通する燃料噴射穴(142)直径を有する少なくとも1つの燃料噴射穴を更に含み、燃料噴射穴(142)は、管軸に対して噴射角度を有する。本発明は、燃焼により生成されるNOxの放出量及び流れ圧力損失を少なく抑えつつ十分に燃料と空気を混合(130)するので、ガスタービン(30)の効率は向上し、耐久性に優れ且つ火保炎及び逆火に対する耐性が高い。
【選択図】図2
Description
30 タービン
110 燃料噴射ノズル
121 管束
130 燃料/空気混合管
134 流体入口端部
135 流体出口端部
142 燃料噴射穴/入口
201 管外壁
202 外周面
203 内周面
210 燃料噴射ノズル
221 管束
A 管軸
Claims (8)
- 燃料/空気混合管束(121)で使用するための燃料/空気混合管(130)において、
入口端部(134)と出口端部(135)との間に管軸(A)に沿って軸方向に延出し、内径を有する管内面(203)と管外径を有する管外面(202)との間で規定された厚さを有する管外壁(201)と;
前記管外壁(201)を貫通し、燃料噴射穴(142)直径を有し且つ前記管軸(A)に対して20度から90度の範囲内の噴射角度を有する少なくとも1つの燃料噴射穴(142)とを具備し、
前記管軸(A)に沿って前記燃料噴射穴(142)と前記出口端部(135)との間で規定される後方離間距離は、前記燃料噴射穴直径の5倍から100倍の長さである燃料空気混合管(130)。 - 前記後方離間距離は1.5インチ以下であり、前記管直径は0.05インチから0.3インチの範囲内である請求項1記載の燃料/空気混合管(130)。
- 前記後方離間距離は0.3インチから1インチの範囲内であり、前記管直径は0.05インチから0.3インチの範囲内である請求項1記載の燃料/空気混合管(130)。
- 前記少なくとも1つの燃料噴射穴(142)の前記燃料噴射穴(142)直径は0.03インチ以下である請求項3記載の燃料/空気混合管(130)。
- 前記噴射角度は50度から60度である請求項1記載の燃料/空気混合管(130)。
- 複数の燃料噴射穴(142)直径を有する複数の燃料噴射穴(142)を具備する請求項1記載の燃料/空気混合管(130)。
- 複数の燃料噴射穴(142)角度を有する複数の燃料噴射穴(142)を具備する請求項1記載の燃料/空気混合管(130)。
- 前記複数の燃料噴射穴(142)は2個から8個の燃料噴射穴(142)を具備する請求項7記載の燃料/空気混合管(130)。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/365,382 | 2009-02-04 | ||
US12/365,382 US8539773B2 (en) | 2009-02-04 | 2009-02-04 | Premixed direct injection nozzle for highly reactive fuels |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010181137A true JP2010181137A (ja) | 2010-08-19 |
JP5432683B2 JP5432683B2 (ja) | 2014-03-05 |
Family
ID=42111074
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009273094A Active JP5432683B2 (ja) | 2009-02-04 | 2009-12-01 | 予混合直接噴射ノズル |
Country Status (4)
Country | Link |
---|---|
US (1) | US8539773B2 (ja) |
EP (1) | EP2216599B1 (ja) |
JP (1) | JP5432683B2 (ja) |
CN (1) | CN101793400B (ja) |
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JP2013156007A (ja) * | 2012-01-26 | 2013-08-15 | General Electric Co <Ge> | 結束多管ノズルアセンブリ |
JP2013181746A (ja) * | 2012-03-01 | 2013-09-12 | General Electric Co <Ge> | 燃焼器内の燃焼ダイナミックスを小さくするためのシステムおよび方法 |
JP2013234836A (ja) * | 2012-05-10 | 2013-11-21 | General Electric Co <Ge> | 混合機構を有する多管燃料ノズル(連邦政府により支持された研究及び開発に関する陳述)本発明は、エネルギー省から授与された契約番号第de−fc26−05nt42643号に基づいて政府の支持を得てなされたものである。政府は本発明に関して一定の権利を有する。 |
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Also Published As
Publication number | Publication date |
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EP2216599A3 (en) | 2014-05-21 |
CN101793400B (zh) | 2014-06-11 |
EP2216599A2 (en) | 2010-08-11 |
US20100192581A1 (en) | 2010-08-05 |
EP2216599B1 (en) | 2017-11-08 |
CN101793400A (zh) | 2010-08-04 |
US8539773B2 (en) | 2013-09-24 |
JP5432683B2 (ja) | 2014-03-05 |
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