JP5078237B2 - 低エミッションガスタービン発電のための方法及び装置 - Google Patents
低エミッションガスタービン発電のための方法及び装置 Download PDFInfo
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Classifications
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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
- 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
- F02C9/00—Controlling gas-turbine plants; Controlling fuel supply in air- breathing jet-propulsion plants
- F02C9/26—Control of fuel supply
- F02C9/32—Control of fuel supply characterised by throttling of fuel
- F02C9/34—Joint control of separate flows to main and auxiliary burners
-
- 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
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2237/00—Controlling
- F23N2237/02—Controlling two or more burners
-
- 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
- F23R2900/00013—Reducing thermo-acoustic vibrations by active means
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
Description
すなわち、仕事を抽出する最初の回転タービンブレード又はバケットの入口面で計測されたときの、仕事が抽出されるガスタービン内の最高平均作動流体温度を有するガスタービンを意味する。酸素15%換算値で9ppm以下のNOXエミッションレベルは、こうしたガスタービンにおいては、公知の予混合技術、並びに50及び60Hz Fクラスタービン市場で現在入手可能なドライ(乾式)低NOX(DLN)システムに対する更なる機能強化を用いて達成することができる。この種類の低エミッションガスタービンは、構成要素の幾何形状と、燃焼システムの火炎構造全体に対する燃焼火炎安定性の維持機構として機能する燃焼器内の中央燃料ノズルと、燃焼器内に多重燃料マニホルド及び導入点を含む燃料及び空気ステージングシステム設計と、主要な合わせ構成要素間のシールとの組合せ及び最適化によるブラフ・ボディ火炎安定化を提供する。少なくとも1つの公知のガスタービンである、ゼネラル・エレクトリックMS7001FA型ガスタービン(ゼネラル・エレクトリックから購入可能)は、60Hz発電市場で9ppmを下回るNOXエミッション運転を既に達成している。しかしながら、他の公知のガスタービンである、GE MS9001 FA50Hzガスタービンは、現在のところ25ppmを下回るNOXエミッションを保証している。
拡散燃焼に起因する低負荷時の可視黄色プルーム(噴煙)NOXエミッションを制限又は低減させると共に、公知の燃料送出及びステージングシステムよりも優れた低負荷予混合運転でのNOX性能を改善する機能を含むことができる。
64又は65のようなフラシールは、その特定の用途に関係なく、同一の流体が一方のダクトから他方のダクトへ通過する2つの同軸の円形ダクト間の滑動する界接面の接合部又は環状間隙をシールするのに使用される円形フープ内に形成されるリーフスプリングのシステムとして一般的に説明される。種々のフラシール構成は、図1に示すようにガスタービン2の燃焼器1の種々の場所にある円形の隣接するダクト間の間隙をシールするのに適用される。例えば上記のように、フラシール31は、燃焼ライナーキャップ組立体25の熱膨張にもかかわらずシールを維持するために、予混合管組立体28の幾つかの構成で使用される。
2 ガスタービン
7 移行部品
9 ライナー
11 外部燃料ノズル
12 内部燃料ノズル
13 燃焼室
25 燃焼キャップ
56 予混合1マニホルド
57 予混合2マニホルド
58 予混合3マニホルド
82 反転フラシール
Claims (8)
- ガスタービン(2)を使用する発電用の低エミッション方法であって、
ガス燃料供給マニホルドを介してガス燃料を複数の予混合回路に供給する段階と、
パージエアマニホルドを介して空気を前記複数の予混合回路に供給する段階と、
複数の燃料及び空気混合気を生成するために前記ガス燃料及び空気を前記複数の予混合回路で予混合する段階と、
少なくとも1つの中央燃料ノズル(12)の周りに配置された複数の外部燃料ノズル(11)を使用して前記燃料及び空気混合気を燃焼室(13)に噴射する段階と、
前記燃焼室内部の燃料/空気濃度分布を制御するため前記パージエアマニホルドからの空気を調節する段階と、
を含み、
前記制御される燃料/空気濃度分布が、前記中央燃料ノズル(12)内に形成された異なる孔直径及び異なる位置により、各々固有の形状を有する半径方向等価比率プロフィールを有する複数の予混合ガス燃料孔(49)によって形成された、前記中央燃料ノズル(12)内での所定の半径方向燃料/空気濃度分布である、
方法。 - 前記燃料及び空気混合気を前記燃焼室(13)に噴射する前記段階が、前記少なくとも1つの中央燃料ノズル(12)から燃料及び空気混合気を前記燃焼室(13)に噴射する段階を含み、
前記少なくとも1つの中央燃料ノズル(12)からの平均燃空比が前記複数の外部燃料ノズル(12)よりも高く維持される、請求項1に記載の方法。 - 前記ガスタービンの運転範囲の異なる部分に対応する複数のモードで前記ガスタービン(2)を運転する段階を更に含む請求項1又は2に記載の方法。
- 前記ガス燃料供給マニホルドの数が前記複数の外部燃料ノズル(12)の数より少ない、
請求項1乃至3のいずれかに記載の方法。 - 低減されたエミッションでエネルギーを生成するガスタービン(2)であって、
ガス燃料供給マニホルドを介してガス燃料を複数の予混合回路に供給し、
パージエアマニホルドを介して空気を前記複数の予混合回路に供給し、
複数の燃料及び空気混合気を生成するために前記ガス燃料及び空気を前記複数の予混合回路で予混合し、
少なくとも1つの中央燃料ノズル(12)の周りに配置された複数の外部燃料ノズル(11)を使用して前記燃料及び空気混合気を燃焼室(13)に噴射し、
前記燃焼室内部の燃料/空気濃度分布を制御するため前記パージエアマニホルドからの空気を調節するように構成され、
前記制御される燃料/空気濃度分布が、前記中央燃料ノズル(12)内に形成された異なる孔直径及び異なる位置により、各々固有の形状を有する半径方向等価比率プロフィールを有する複数の予混合ガス燃料孔(49)によって形成された、前記中央燃料ノズル(12)内での所定の半径方向燃料/空気濃度分布である、ガスタービン(2)。 - 燃料及び空気混合気を燃焼室(13)へ噴射するために、前記少なくとも1つの中央燃料ノズル(12)から燃料及び空気混合気を前記燃焼室(13)に噴射するように構成される、
請求項5に記載のガスタービン(2)。 - 前記少なくとも1つの中央燃料ノズル(12)は、前記複数の外部燃料ノズル(12)よりも小さく、
前記複数の外部燃料ノズル(12)の各々が液体燃料と水からなる噴霧を前記燃焼室(13)へ送出する液体燃料及び水噴射カートリッジ(90)を備え、
前記少なくとも1つの中央燃料ノズル(12)は、前記複数の外部燃料ノズル(12)よりも濃い燃料/空気混合気を受けるように構成される、請求項5又は6に記載のガスタービン(2)。 - 前記ガス燃料供給マニホルドの数が前記複数の外部燃料ノズル(12)の数より少ない、請求項5乃至7のいずれかに記載のガスタービン(2)。
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US10/861,257 | 2004-06-04 | ||
US10/861,257 US7284378B2 (en) | 2004-06-04 | 2004-06-04 | Methods and apparatus for low emission gas turbine energy generation |
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JP2010223335A Division JP2010281568A (ja) | 2004-06-04 | 2010-10-01 | 低エミッションガスタービン発電のための方法及び装置 |
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JP2005345095A JP2005345095A (ja) | 2005-12-15 |
JP5078237B2 true JP5078237B2 (ja) | 2012-11-21 |
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JP2010223335A Pending JP2010281568A (ja) | 2004-06-04 | 2010-10-01 | 低エミッションガスタービン発電のための方法及び装置 |
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US (2) | US7284378B2 (ja) |
EP (1) | EP1605208B1 (ja) |
JP (2) | JP5078237B2 (ja) |
CN (2) | CN1707080B (ja) |
CA (1) | CA2508418C (ja) |
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-
2004
- 2004-06-04 US US10/861,257 patent/US7284378B2/en active Active
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2005
- 2005-05-18 EP EP05253079.7A patent/EP1605208B1/en active Active
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- 2005-06-03 JP JP2005163448A patent/JP5078237B2/ja active Active
- 2005-06-06 CN CN2005100765080A patent/CN1707080B/zh not_active Expired - Fee Related
- 2005-06-06 CN CN200910178787XA patent/CN101672483B/zh active Active
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2007
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Also Published As
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CA2508418C (en) | 2014-07-22 |
CN1707080B (zh) | 2010-05-26 |
EP1605208B1 (en) | 2017-07-12 |
EP1605208A1 (en) | 2005-12-14 |
US20080155987A1 (en) | 2008-07-03 |
US20050268617A1 (en) | 2005-12-08 |
US7284378B2 (en) | 2007-10-23 |
JP2010281568A (ja) | 2010-12-16 |
CN101672483B (zh) | 2012-10-03 |
CN1707080A (zh) | 2005-12-14 |
CA2508418A1 (en) | 2005-12-04 |
CN101672483A (zh) | 2010-03-17 |
JP2005345095A (ja) | 2005-12-15 |
US7546736B2 (en) | 2009-06-16 |
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