JP4653985B2 - 燃焼器とガスタービン燃焼器、及び空気を燃焼器に供給する方法 - Google Patents
燃焼器とガスタービン燃焼器、及び空気を燃焼器に供給する方法 Download PDFInfo
- Publication number
- JP4653985B2 JP4653985B2 JP2004255050A JP2004255050A JP4653985B2 JP 4653985 B2 JP4653985 B2 JP 4653985B2 JP 2004255050 A JP2004255050 A JP 2004255050A JP 2004255050 A JP2004255050 A JP 2004255050A JP 4653985 B2 JP4653985 B2 JP 4653985B2
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- Prior art keywords
- liquid fuel
- nozzle
- air
- outlet portion
- combustion
- 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.)
- Expired - Lifetime
Links
- 238000000034 method Methods 0.000 title claims description 4
- 239000000446 fuel Substances 0.000 claims description 266
- 239000007788 liquid Substances 0.000 claims description 216
- 238000002485 combustion reaction Methods 0.000 claims description 139
- 230000002093 peripheral effect Effects 0.000 claims description 41
- 238000011144 upstream manufacturing Methods 0.000 claims description 37
- 239000007921 spray Substances 0.000 claims description 14
- 239000007789 gas Substances 0.000 description 35
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 15
- 229910052799 carbon Inorganic materials 0.000 description 15
- 238000004939 coking Methods 0.000 description 12
- 239000000567 combustion gas Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 238000000889 atomisation Methods 0.000 description 5
- 238000010008 shearing Methods 0.000 description 5
- 239000000779 smoke Substances 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- 230000007704 transition Effects 0.000 description 4
- 230000004323 axial length Effects 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 238000010248 power generation Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
Images
Classifications
-
- 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
- F23D11/10—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space the spraying being induced by a gaseous medium, e.g. water vapour
- F23D11/101—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space the spraying being induced by a gaseous medium, e.g. water vapour medium and fuel meeting before the burner outlet
- F23D11/104—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space the spraying being induced by a gaseous medium, e.g. water vapour medium and fuel meeting before the burner outlet intersecting at a sharp angle, e.g. Y-jet atomiser
-
- 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
- F23D11/10—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space the spraying being induced by a gaseous medium, e.g. water vapour
- F23D11/101—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space the spraying being induced by a gaseous medium, e.g. water vapour medium and fuel meeting before the burner outlet
- F23D11/105—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space the spraying being induced by a gaseous medium, e.g. water vapour medium and fuel meeting before the burner outlet at least one of the fluids being submitted to a swirling motion
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Nozzles For Spraying Of Liquid Fuel (AREA)
- Spray-Type Burners (AREA)
Description
19を形成したノズルチップ20,ノズルチップ20を覆うノズルカバー18,ノズルスティ21で構成された、いわゆる圧力式渦巻噴霧ノズルを用いたノズル構造である。液体燃料の噴出に空気を用いないことで、空気供給系統が不要となる。
(本実施例では4段)となるように、軸方向上流側(図7の左側)から順に穿設されている。
63が液体燃料ノズルの出口部に空気を吹き付ける空気ノズルに該当する。
62を配置した混合室60の上流端部には、ガスタービンの運転条件によって、空気導入孔63から流入した空気流により様々な循環流が形成される。そして、液体燃料ノズル
62の出口部68は燃焼室の入側に形成され、出口部68の外周側に、液体燃料の噴出方向に対して逆方向である上流方向に空間を形成する。また、循環流の発生する領域より下流側に突き出て形成されている。そのため、液体燃料ノズル62から噴出した微小な液滴が循環流に随伴され難くなり、出口部の外周側に未燃分コーキングの発生を抑制することが可能となる。
(空気ノズル)の略軸心の延長線と交差する位置に配置される。そのため、出口部68から噴出した燃料液滴は、最も上流側の空気導入孔68から噴出した空気流のせん断力によって微粒化された後、その下流の空気導入孔64,65,66から噴出する空気流によってさらに微粒化が促進される。したがって、燃焼器点火時の点火特性が向上し、点火時の白煙の発生を抑制したり、燃焼用空気との混合が促進され黒煙の発生を低減したりする効果が期待できる。また、燃焼器の燃焼性能を向上することが可能となる。
64,65,66の内部で燃焼用空気と一次混合する。そして、混合室60に噴出した際に発生する循環流によって二次混合をして燃焼するため、空気と気体燃料との混合が促進され、NOx排出量を低減することが可能である。
(図5)の構成部品に適用したものであり、主要な構成部品は図5と同様である。
Claims (2)
- 液体燃料を燃焼室に噴出する、前記液体燃料に旋回成分を与えて噴霧させるノズルチップと、該ノズルチップを覆うノズルカバーと、該ノズルカバーの一部である、前記液体燃料の出口部とを有した圧力式渦巻噴霧ノズルを備える液体燃料ノズルと、
前記液体燃料ノズルの外周側に設けられ、前記液体燃料を噴出する前記出口部の外周側に空気を噴出する空気ノズルを備えた燃焼器であって、
該燃焼室に燃料を噴出する前記液体燃料ノズルの出口部が、前記空気ノズルの液体燃料噴出方向上流側端面よりも液体燃料噴出方向下流側に位置し、
前記液体燃料ノズルの出口部と前記空気ノズルの液体燃料噴出方向上流側端面とを結ぶ直線よりも液体燃料噴出方向上流側に、前記液体燃料ノズルの下流端面が位置し、
前記液体燃料ノズルの出口部外周側であって、前記液体燃料の噴出方向に対して上流側の空間に前記空気ノズルから空気を噴出して、前記液体燃料ノズルの軸中心周りに旋回流を形成することを特徴とする燃焼器。 - 液体燃料を燃焼室に噴出する、前記液体燃料に旋回成分を与えて噴霧させるノズルチップと該ノズルチップを覆うノズルカバーと、該ノズルカバーの一部である、前記液体燃料の出口部とを有した圧力式渦巻噴霧ノズルを備える液体燃料ノズルと、
前記液体燃料ノズルの外周側に設けられ、前記液体燃料を噴出する前記出口部の外周側に燃焼用空気を噴出する空気ノズルを備えた燃焼器を用いた液体燃料の噴出方法であって、
前記液体燃料ノズルの出口部外周より前記液体燃料の噴出方向に対して下流側に離れた位置に設けた前記液体燃料ノズルの出口部から液体燃料を噴出させるとともに、前記液体燃料ノズルの出口部外周側であって、前記液体燃料の噴出方向に対して上流側の空間に前記空気ノズルから燃焼用空気を噴出して、前記液体燃料ノズルの軸中心周りに旋回流を形成することで、前記出口部外周側に形成された燃焼用空気の循環流内への液体燃料の随伴を抑制することを特徴とする液体燃料の噴出方法。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004255050A JP4653985B2 (ja) | 2004-09-02 | 2004-09-02 | 燃焼器とガスタービン燃焼器、及び空気を燃焼器に供給する方法 |
US11/209,608 US7891191B2 (en) | 2004-09-02 | 2005-08-24 | Combustor, gas turbine combustor, and air supply method for same |
EP05018502.4A EP1632721B1 (en) | 2004-09-02 | 2005-08-25 | Combustor, gas turbine combustor, and air supply method for the same |
US12/892,242 US8047003B2 (en) | 2004-09-02 | 2010-09-28 | Combustor, gas turbine combustor, and air supply method for same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004255050A JP4653985B2 (ja) | 2004-09-02 | 2004-09-02 | 燃焼器とガスタービン燃焼器、及び空気を燃焼器に供給する方法 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009282366A Division JP5083302B2 (ja) | 2009-12-14 | 2009-12-14 | 燃焼器とガスタービン燃焼器、及び空気を燃焼器に供給する方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006071181A JP2006071181A (ja) | 2006-03-16 |
JP4653985B2 true JP4653985B2 (ja) | 2011-03-16 |
Family
ID=35432336
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004255050A Expired - Lifetime JP4653985B2 (ja) | 2004-09-02 | 2004-09-02 | 燃焼器とガスタービン燃焼器、及び空気を燃焼器に供給する方法 |
Country Status (3)
Country | Link |
---|---|
US (2) | US7891191B2 (ja) |
EP (1) | EP1632721B1 (ja) |
JP (1) | JP4653985B2 (ja) |
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JP4861910B2 (ja) * | 2007-06-19 | 2012-01-25 | 株式会社日立製作所 | 拡散燃焼式ガスタービン燃焼器 |
US7878183B2 (en) * | 2007-07-17 | 2011-02-01 | Cummins Filtration Ip, Inc. | Apparatus, system, and method to provide air to a doser injector nozzle |
FR2919672B1 (fr) * | 2007-07-30 | 2014-02-14 | Snecma | Injecteur de carburant dans une chambre de combustion de turbomachine |
GB2454247A (en) * | 2007-11-02 | 2009-05-06 | Siemens Ag | A Combustor for a Gas-Turbine Engine Has a Burner Head with Fuel Delivered at a Compound Angle |
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US20100175380A1 (en) * | 2009-01-13 | 2010-07-15 | General Electric Company | Traversing fuel nozzles in cap-less combustor assembly |
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US20120052451A1 (en) * | 2010-08-31 | 2012-03-01 | General Electric Company | Fuel nozzle and method for swirl control |
WO2013040323A2 (en) | 2011-09-14 | 2013-03-21 | Anthony Martinez | Providing oxidation to a gas turbine engine |
RU2492390C2 (ru) * | 2011-10-06 | 2013-09-10 | Артём Викторович Корнилов | Форсунка "факел-вут" для распыливания водоугольного топлива |
FR2981733B1 (fr) * | 2011-10-25 | 2013-12-27 | Snecma | Module de chambre de combustion de turbomachine d'aeronef et procede de conception de celui-ci |
US10619855B2 (en) * | 2012-09-06 | 2020-04-14 | United Technologies Corporation | Fuel delivery system with a cavity coupled fuel injector |
US9400104B2 (en) | 2012-09-28 | 2016-07-26 | United Technologies Corporation | Flow modifier for combustor fuel nozzle tip |
US9284933B2 (en) * | 2013-03-01 | 2016-03-15 | Delavan Inc | Fuel nozzle with discrete jet inner air swirler |
JP6190670B2 (ja) * | 2013-08-30 | 2017-08-30 | 三菱日立パワーシステムズ株式会社 | ガスタービン燃焼システム |
JP6491898B2 (ja) * | 2015-02-05 | 2019-03-27 | 三菱日立パワーシステムズ株式会社 | 噴霧ノズルおよび噴霧ノズルを用いた燃焼装置、ガスタービンプラント |
EP3078913A1 (en) * | 2015-04-09 | 2016-10-12 | Siemens Aktiengesellschaft | Combustor burner arrangement |
US10697639B2 (en) * | 2017-03-16 | 2020-06-30 | General Electric Compamy | Dual-fuel fuel nozzle with liquid fuel tip |
KR20190040666A (ko) * | 2017-10-11 | 2019-04-19 | 두산중공업 주식회사 | 연소기 및 이를 포함하는 가스 터빈 |
JP2019086245A (ja) * | 2017-11-08 | 2019-06-06 | 川崎重工業株式会社 | バーナ装置 |
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US11773776B2 (en) | 2020-05-01 | 2023-10-03 | General Electric Company | Fuel oxygen reduction unit for prescribed operating conditions |
US11421883B2 (en) | 2020-09-11 | 2022-08-23 | Raytheon Technologies Corporation | Fuel injector assembly with a helical swirler passage for a turbine engine |
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2004
- 2004-09-02 JP JP2004255050A patent/JP4653985B2/ja not_active Expired - Lifetime
-
2005
- 2005-08-24 US US11/209,608 patent/US7891191B2/en active Active
- 2005-08-25 EP EP05018502.4A patent/EP1632721B1/en active Active
-
2010
- 2010-09-28 US US12/892,242 patent/US8047003B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US7891191B2 (en) | 2011-02-22 |
US20110011092A1 (en) | 2011-01-20 |
EP1632721A3 (en) | 2014-04-02 |
EP1632721B1 (en) | 2017-06-14 |
EP1632721A2 (en) | 2006-03-08 |
US20060042254A1 (en) | 2006-03-02 |
JP2006071181A (ja) | 2006-03-16 |
US8047003B2 (en) | 2011-11-01 |
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