JP5663023B2 - 燃焼装置用の入口予混合器 - Google Patents
燃焼装置用の入口予混合器 Download PDFInfo
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- 238000002485 combustion reaction Methods 0.000 title claims description 37
- 239000000446 fuel Substances 0.000 claims description 121
- 238000000034 method Methods 0.000 claims description 48
- 239000000203 mixture Substances 0.000 claims description 34
- 238000002347 injection Methods 0.000 claims description 27
- 239000007924 injection Substances 0.000 claims description 27
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Images
Classifications
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- 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
- F02C1/00—Gas-turbine plants characterised by the use of hot gases or unheated pressurised gases, as the working fluid
-
- 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
-
- 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
-
- 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
- F02C3/00—Gas-turbine plants characterised by the use of combustion products as the working fluid
- F02C3/14—Gas-turbine plants characterised by the use of combustion products as the working fluid characterised by the arrangement of the combustion chamber in the plant
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C6/00—Combustion apparatus characterised by the combination of two or more combustion chambers or combustion zones, e.g. for staged combustion
- F23C6/04—Combustion apparatus characterised by the combination of two or more combustion chambers or combustion zones, e.g. for staged combustion in series connection
- F23C6/045—Combustion apparatus characterised by the combination of two or more combustion chambers or combustion zones, e.g. for staged combustion in series connection with staged combustion in a single enclosure
- F23C6/047—Combustion apparatus characterised by the combination of two or more combustion chambers or combustion zones, e.g. for staged combustion in series connection with staged combustion in a single enclosure with fuel supply in stages
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/62—Mixing devices; Mixing tubes
- F23D14/64—Mixing devices; Mixing tubes with injectors
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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
- F23R3/28—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
- F23R3/30—Continuous combustion chambers using liquid or gaseous fuel characterised by the fuel supply comprising fuel prevapourising 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
- F23R3/346—Feeding into different combustion zones for staged combustion
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- 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
- F05D2250/00—Geometry
- F05D2250/10—Two-dimensional
-
- 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
- F05D2250/00—Geometry
- F05D2250/10—Two-dimensional
- F05D2250/14—Two-dimensional elliptical
- F05D2250/141—Two-dimensional elliptical circular
-
- 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
- F23D2900/14—Special features of gas burners
- F23D2900/14004—Special features of gas burners with radially extending gas distribution spokes
-
- 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
- F23R2900/00015—Trapped vortex combustion chambers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/14—Combined heat and power generation [CHP]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/16—Combined cycle power plant [CCPP], or combined cycle gas turbine [CCGT]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/16—Combined cycle power plant [CCPP], or combined cycle gas turbine [CCGT]
- Y02E20/18—Integrated gasification combined cycle [IGCC], e.g. combined with carbon capture and storage [CCS]
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
- Combustion Of Fluid Fuel (AREA)
- Spray-Type Burners (AREA)
- Pressure-Spray And Ultrasonic-Wave- Spray Burners (AREA)
- Combustion Methods Of Internal-Combustion Engines (AREA)
Description
本願は、2009年9月13日に出願された米国特許仮出願第61/241,940号についての35U.S.C.§119(e)の規定による権益主張出願であり、この米国特許仮出願を全ての目的について参照により引用し、その開示内容全体を本明細書の一部とする。
・予混合器は、燃焼器入口の断面領域にわたって一様な燃料分布をもたらすべきである。
・予混合器は、広いエンジン作動条件範囲にわたり一様な混合気を提供するべきである。
・予混合器は、短い予混合長さを提供すべきである。
・予混合器は、ガスタービンで用いられる全ての気体及び液体燃料を含む広汎な燃料と適合性があるべきである。
・予混合器は、生じさせるエミッションが低いことが必要である。
・予混合器又は別個の予混合器は、TVCの設計対象である流れパターン(低乱流パターンが採用される場合、かかる低乱流パターンを含む)と一致してTVCの停留渦キャビティ内における燃焼を安定化するのを助けるよう構成可能であるべきである。
・システムの作動範囲にわたって最適作動を提供する設計において用いられる任意の複数個の予混合器の作動を協調させることが可能であるべきである。
・予混合システム及び方法は、広汎な用途に利用可能であるべきである。
〔表1〕
列番号 角度χ1(第1の穴) 角度χ2(間隔) 穴の数
1 15 12 6
2 7 12.6 7
3 6 7.8 11
4 4.25 6.8 13
5 3.5 5.2 17
6 3.5 3.6 24
7 3.5 4.3 26
8 3 6. 5 14
Claims (24)
- 少なくとも1つの停留渦キャビティを備えたTVC反応器の作動における燃料ステージング方法であって、前記反応器は、燃料と空気を混合して燃料‐空気混合物を前記TVC反応器の主入口内に導入する入口予混合器と、燃料と空気を混合して燃料‐空気混合物を前記TVC反応器の少なくとも1つのかかる停留渦キャビティ内に直接導入する少なくとも1つの渦型予混合器の両方を更に有し、
(a)前記入口予混合器は、前記流路内で軸方向に整列した状態で前記入口の上流側に位置決めされた複数個の同心の且つ同一平面内に位置する空気力学的形状のリング要素を有し、各前記リング要素は、燃料のための内部通路を有し、各前記リング要素は、燃料が前記内部通路から前記リングの近くで入口流体流れ中に流れることができるようにする複数個の燃料噴射オリフィスを更に有し、前記リング要素の各対相互間には環状通路が形成され、前記リングは更に、
(i)前記燃料噴射オリフィスが前記軸方向から絶対値で約0°〜約90°の角度をなして燃料を噴射するよう差し向けられると共に、
(ii)前記複数個の燃料噴射オリフィスが非一様な直径のものであり、前記直径が互いに異なる寸法に設定され、前記サイズの各々が指定された範囲の燃料‐空気運動量フラックス比をもたらすよう選択されているような構成になっており、
(b)前記渦型予混合器は、燃料入口、空気入口、燃料と空気が混合されるチャンバ及び燃料‐空気混合物のための出口を有し、前記渦型予混合器は、前記出口が前記燃料‐空気混合物を前記停留渦キャビティ内に直接導入するようになっていると共に前記燃料‐空気混合物が前記渦流とほぼ同一方向に前記渦の流れに合流するような角度で前記燃料‐空気混合物が前記停留渦キャビティ内に導入されるように前記TVC反応器に取り付けられており、
前記方法は、前記入口予混合器及び前記渦型予混合器を通って導入される燃料‐空気混合物の比率を調節して前記TVC反応器の作動中、様々な負荷に対応するステップを有する、方法。 - 始動及び低出力作動中、NOXエミッション限度に達するまで、燃料供給は、前記渦型予混合器のみを介して行われる、請求項1記載の方法。
- 中出力作動中、燃料供給は、主として、前記入口予混合器を介して行われる、請求項1記載の方法。
- 高出力作動中、燃料供給は、前記渦型予混合器と前記入口予混合器の両方を介して行われる、請求項1記載の方法。
- 前記渦型予混合器を通って流れる空気の量は、前記入口予混合器を通って流れる空気の量よりも少ない、請求項4記載の方法。
- 前記渦型予混合器を通って流れる空気の量は、前記入口予混合器を通って流れる空気の量の約50%以下である、請求項5記載の方法。
- 前記渦型予混合器を通って流れる空気の量は、前記入口予混合器を通って流れる空気の量の約20%〜約40%である、請求項6記載の方法。
- 前記TVC反応器の作動中の実質的にあらゆる時点において、少なくとも最小量の燃料‐空気混合物が前記渦型予混合器を通って導入される、請求項1記載の方法。
- 前記TVC反応器の始動中、様々な負荷に対応するよう構成されている、請求項1記載の方法。
- 前記TVC反応器のターンダウン中、様々な負荷に対応するよう構成されている、請求項1記載の方法。
- 前記方法は、前記TVC反応器を有すると共にガスタービンを更に有するシステムで実施され、前記システムは、発電用に構成されている、請求項1記載の方法。
- 前記方法は、前記TVC反応器を有し、更にガスタービンを有するシステムで実施され、前記システムは、航空用の推進ジェットエンジンとして用いられるよう構成されている、請求項1記載の方法。
- 前記方法は、前記TVC反応器を有し、更にガスタービンを有するシステムで実施され、前記システムは、補助発電ユニットとして用いられるよう構成されている、請求項1記載の方法。
- 前記方法は、前記TVC反応器を有し、更にガスタービンを有するシステムで実施され、前記組立体は、熱併給形コンバインド発電装置用の燃焼タービンとして構成されている、請求項1記載の方法。
- 前記方法は、前記TVC反応器を有し、更にガスタービンを有するシステムで実施され、前記組立体は、総合気化混合サイクル発電装置用の燃焼タービンとして構成されている、請求項1記載の方法。
- 前記TVC反応器は、各々が少なくとも1つの前記渦型予混合器と関連した複数個の停留渦キャビティを有し、前記方法は、前記入口予混合器及び前記渦型予混合器の各々を通って導入される燃料‐空気混合物の比率を別個独立に調節して前記TVC反応器の作動中、様々な負荷に対応するステップを更に有する、請求項1記載の方法。
- 前記複数個の停留渦キャビティは、第1の上流側の停留渦キャビティ及び第2の下流側の停留渦キャビティを含み、前記下流側停留渦キャビティは、前記第1の停留渦キャビティから見て前記TVC反応器内の下流側に位置している、請求項16記載の方法。
- 始動及び低出力作動中、NOXエミッション限度に達するまで、燃料供給は、主として、前記少なくとも1つの渦型予混合器を介して行われ、該渦型予混合器は、燃料と空気の混合物を前記上流側の停留渦キャビティ内に直接導入する、請求項17記載の方法。
- 最高約33%の出力に合わせて実施される、請求項18記載の方法。
- 中出力作動中、燃料供給は、主として、前記入口予混合器を介して行われる、請求項17記載の方法。
- 約33%出力から約66%出力まで実施される、請求項20記載の方法。
- 高出力作動中、実質的な燃料供給は、前記停留渦キャビティの各々と関連した前記入口予混合器及び少なくとも1つの渦型予混合器を介して行われる、請求項17記載の方法。
- 約66%出力からこれを超える出力まで実施される、請求項22記載の方法。
- 前記TVC反応器の作動中における実質的にあらゆる時点において、少なくとも最小量の燃料‐空気混合物が前記少なくとも1つの渦型予混合器を通って導入され、該渦型予混合器は、燃料と空気の混合物を前記上流側の停留渦キャビティ内に直接導入する、請求項17記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US24194009P | 2009-09-13 | 2009-09-13 | |
US61/241,940 | 2009-09-13 | ||
PCT/US2009/066120 WO2011031280A1 (en) | 2009-09-13 | 2009-11-30 | Method of fuel staging in combustion apparatus |
Publications (2)
Publication Number | Publication Date |
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JP2013504735A JP2013504735A (ja) | 2013-02-07 |
JP5663023B2 true JP5663023B2 (ja) | 2015-02-04 |
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JP2012528784A Expired - Fee Related JP5629321B2 (ja) | 2009-09-13 | 2009-11-30 | 燃焼装置用の入口予混合器 |
JP2012528787A Expired - Fee Related JP5663024B2 (ja) | 2009-09-13 | 2009-11-30 | 燃焼装置用の入口予混合器 |
JP2012528785A Expired - Fee Related JP5638613B2 (ja) | 2009-09-13 | 2009-11-30 | 燃焼装置用の入口予混合器 |
JP2012528786A Expired - Fee Related JP5663023B2 (ja) | 2009-09-13 | 2009-11-30 | 燃焼装置用の入口予混合器 |
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JP2012528784A Expired - Fee Related JP5629321B2 (ja) | 2009-09-13 | 2009-11-30 | 燃焼装置用の入口予混合器 |
JP2012528787A Expired - Fee Related JP5663024B2 (ja) | 2009-09-13 | 2009-11-30 | 燃焼装置用の入口予混合器 |
JP2012528785A Expired - Fee Related JP5638613B2 (ja) | 2009-09-13 | 2009-11-30 | 燃焼装置用の入口予混合器 |
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US (4) | US8726666B2 (ja) |
EP (4) | EP2475855A4 (ja) |
JP (4) | JP5629321B2 (ja) |
KR (4) | KR20120098620A (ja) |
CN (4) | CN102713441B (ja) |
AU (4) | AU2009352301B2 (ja) |
BR (4) | BR112012005612A2 (ja) |
CA (4) | CA2773951A1 (ja) |
HK (4) | HK1176388A1 (ja) |
IL (4) | IL218606A (ja) |
IN (4) | IN2012DN02180A (ja) |
MX (4) | MX2012003097A (ja) |
MY (4) | MY169951A (ja) |
RU (4) | RU2526410C2 (ja) |
UA (4) | UA102633C2 (ja) |
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