JP7483611B2 - タービン用の制御されたフローガイド - Google Patents
タービン用の制御されたフローガイド Download PDFInfo
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- JP7483611B2 JP7483611B2 JP2020535073A JP2020535073A JP7483611B2 JP 7483611 B2 JP7483611 B2 JP 7483611B2 JP 2020535073 A JP2020535073 A JP 2020535073A JP 2020535073 A JP2020535073 A JP 2020535073A JP 7483611 B2 JP7483611 B2 JP 7483611B2
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- Prior art keywords
- flow
- flow guide
- steam turbine
- suction side
- guides
- 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.)
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- 238000011144 upstream manufacturing Methods 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 2
- 230000003247 decreasing effect Effects 0.000 claims 1
- 230000001133 acceleration Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009954 braiding Methods 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D17/00—Regulating or controlling by varying flow
- F01D17/10—Final actuators
- F01D17/12—Final actuators arranged in stator parts
- F01D17/14—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits
- F01D17/16—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of nozzle vanes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D9/00—Stators
- F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/12—Blades
- F01D5/14—Form or construction
- F01D5/141—Shape, i.e. outer, aerodynamic form
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D1/00—Non-positive-displacement machines or engines, e.g. steam turbines
- F01D1/02—Non-positive-displacement machines or engines, e.g. steam turbines with stationary working-fluid guiding means and bladed or like rotor, e.g. multi-bladed impulse steam turbines
- F01D1/026—Impact turbines with buckets, i.e. impulse turbines, e.g. Pelton turbines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D17/00—Regulating or controlling by varying flow
- F01D17/10—Final actuators
- F01D17/12—Final actuators arranged in stator parts
- F01D17/14—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D9/00—Stators
- F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
- F01D9/04—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector
- F01D9/041—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector using blades
-
- 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
- F05D2220/00—Application
- F05D2220/30—Application in turbines
- F05D2220/31—Application in turbines in steam turbines
-
- 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
- F05D2240/00—Components
- F05D2240/20—Rotors
- F05D2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
- F05D2240/301—Cross-sectional characteristics
-
- 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
- F05D2240/00—Components
- F05D2240/20—Rotors
- F05D2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
- F05D2240/306—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor related to the suction side of a rotor blade
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Control Of Turbines (AREA)
Description
15 高圧セクション
20 中圧セクション
25 ケーシング
30 上半分セクション
35 下半分セクション
40 中央セクション
45 高圧蒸気入口
50 中圧蒸気入口、中圧セクションの入口
55 ディスク、ディスクシャフト
60 ベアリング
65 蒸気シールユニット
70 環状のセクション仕切り
75 パッキングケーシング
100 蒸気タービン
110 段
120 高温ガス経路
130 第1段
140 第1段の制御されたフローガイド
150 第1段の制御されたフローランナー
160 ピッチ
170 スロート
180 背面偏向角
190 第1段のシュラウド
200 第2段
210 第2段の制御されたフローガイド
220 第2段の制御されたフローランナー
230 第2段のシュラウド
240 公知のガイド
260 負圧側加速率、負圧側加速
Claims (4)
- 蒸気タービン(100)であって、
複数のフローランナー(150、220)と、
複数のフローガイド(140、210)と、を含み、
前記複数のフローガイド(140、210)は、0.4~0.7の上流流路比(Wup/W)を含み、
前記複数のフローガイド(140、210)の各々の断面を平面直交座標系の第三象限のみに配置した場合であって、
前記平面直交座標系のX軸が前記蒸気タービン(100)の軸方向に沿って延び、
前記平面直交座標系のY軸が前記蒸気タービン(100)の円周方向に沿って延び、
前記フローガイド(140、210)の後縁が前記X軸と前記Y軸に接し、
前記フローガイド(140、210)の負圧側表面の曲線が前記フローガイド(140、210)の正圧側表面の曲線よりも上に延びる場合において、
前記フローガイド(140、210)の負圧側表面の曲線の曲率は、前記フローガイド(140、210)の背面偏向角(180)が25度を超えて38度までとなるように後縁から前縁に向かうに従って減少することなく次第に増大し、
前記上流流路比(Wup/W)は、
前記フローガイド(140、210)の前縁の最もX座標値が小さい最小X値点のX座標値の絶対値に対する前記最小X値点における所定のX軸方向の幅により定義され、
前記所定のX軸方向の幅は、前記最小X値点を通り、前記X軸に平行な直線と前記負圧側表面の曲線との交点と前記最小X値点との距離で定義され、
前記背面偏向角(180)は、前記平面直交座標系において、前記フローガイド(140、210)の負圧面スロートポイントにおけるスロートに垂直な方向と、前記負圧面スロートポイントから前記フローガイド(140、210)の負圧面後縁ブレンドポイントに向かう方向との間の角度として定義され、
前記スロート(170)は、前記平面直交座標系において、前記フローガイド(140、210)と、前記フローガイド(140、210)の負圧側に隣接するフローガイド(140)の表面との間の最短距離として定義され、
前記スロート(170)は、前記平面直交座標系において、前記負圧面スロートポイントと前記隣接するフローガイド(140)の後縁との間に延びる、
蒸気タービン(100)。 - 前記上流流路比(Wup/W)は0.6である、請求項1に記載の蒸気タービン(100)。
- 前記複数のフローガイド(140、210)は、1.9を超えるピッチ/幅値を含む、請求項1または2に記載の蒸気タービン(100)。
- 前記複数のフローガイド(140、210)は、複数の第1段のフローガイド(140)または第2段のフローガイド(210)を含む、請求項1乃至3のいずれかに記載の蒸気タービン(100)。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15/859,823 | 2018-01-02 | ||
US15/859,823 US10662802B2 (en) | 2018-01-02 | 2018-01-02 | Controlled flow guides for turbines |
PCT/US2018/063072 WO2019135838A1 (en) | 2018-01-02 | 2018-11-29 | Controlled flow guides for turbines |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2021509458A JP2021509458A (ja) | 2021-03-25 |
JP2021509458A5 JP2021509458A5 (ja) | 2021-06-17 |
JP7483611B2 true JP7483611B2 (ja) | 2024-05-15 |
Family
ID=67059382
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020535073A Active JP7483611B2 (ja) | 2018-01-02 | 2018-11-29 | タービン用の制御されたフローガイド |
Country Status (6)
Country | Link |
---|---|
US (1) | US10662802B2 (ja) |
EP (1) | EP3735517B1 (ja) |
JP (1) | JP7483611B2 (ja) |
KR (1) | KR102627569B1 (ja) |
CN (1) | CN111527284A (ja) |
WO (1) | WO2019135838A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20210062657A1 (en) * | 2019-08-30 | 2021-03-04 | General Electric Company | Control stage blades for turbines |
EP3816397B1 (en) | 2019-10-31 | 2023-05-10 | General Electric Company | Controlled flow turbine blades |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002339703A (ja) | 2001-05-18 | 2002-11-27 | Hitachi Ltd | タービン動翼 |
JP2006307843A (ja) | 2005-03-31 | 2006-11-09 | Hitachi Ltd | 軸流タービン |
JP2013032772A (ja) | 2011-06-29 | 2013-02-14 | Hitachi Ltd | 超音速タービン動翼及び軸流タービン |
JP2016104986A (ja) | 2014-11-21 | 2016-06-09 | ゼネラル エレクトリック テクノロジー ゲゼルシャフト ミット ベシュレンクテル ハフツングGeneral Electric Technology GmbH | タービン配列 |
WO2016135832A1 (ja) | 2015-02-23 | 2016-09-01 | 三菱重工コンプレッサ株式会社 | 蒸気タービン |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
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US5035578A (en) * | 1989-10-16 | 1991-07-30 | Westinghouse Electric Corp. | Blading for reaction turbine blade row |
US5292230A (en) * | 1992-12-16 | 1994-03-08 | Westinghouse Electric Corp. | Curvature steam turbine vane airfoil |
US7547187B2 (en) | 2005-03-31 | 2009-06-16 | Hitachi, Ltd. | Axial turbine |
KR20070002756A (ko) * | 2005-06-30 | 2007-01-05 | 엘지.필립스 엘시디 주식회사 | 백라이트 유닛 |
GB2475704A (en) | 2009-11-26 | 2011-06-01 | Alstom Technology Ltd | Diverting solid particles in an axial flow steam turbine |
JP5558095B2 (ja) * | 2009-12-28 | 2014-07-23 | 株式会社東芝 | タービン動翼翼列および蒸気タービン |
ITMI20101447A1 (it) | 2010-07-30 | 2012-01-30 | Alstom Technology Ltd | "turbina a vapore a bassa pressione e metodo per il funzionamento della stessa" |
EP2476862B1 (en) | 2011-01-13 | 2013-11-20 | Alstom Technology Ltd | Vane for an axial flow turbomachine and corresponding turbomachine |
EP2479381A1 (en) | 2011-01-21 | 2012-07-25 | Alstom Technology Ltd | Axial flow turbine |
EP2816199B1 (en) | 2013-06-17 | 2021-09-01 | General Electric Technology GmbH | Control of low volumetric flow instabilities in steam turbines |
EP3054086B1 (en) | 2015-02-05 | 2017-09-13 | General Electric Technology GmbH | Steam turbine diffuser configuration |
-
2018
- 2018-01-02 US US15/859,823 patent/US10662802B2/en active Active
- 2018-11-29 KR KR1020207019750A patent/KR102627569B1/ko active IP Right Grant
- 2018-11-29 EP EP18898773.9A patent/EP3735517B1/en active Active
- 2018-11-29 CN CN201880084785.1A patent/CN111527284A/zh active Pending
- 2018-11-29 JP JP2020535073A patent/JP7483611B2/ja active Active
- 2018-11-29 WO PCT/US2018/063072 patent/WO2019135838A1/en unknown
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002339703A (ja) | 2001-05-18 | 2002-11-27 | Hitachi Ltd | タービン動翼 |
JP2006307843A (ja) | 2005-03-31 | 2006-11-09 | Hitachi Ltd | 軸流タービン |
JP2013032772A (ja) | 2011-06-29 | 2013-02-14 | Hitachi Ltd | 超音速タービン動翼及び軸流タービン |
JP2016104986A (ja) | 2014-11-21 | 2016-06-09 | ゼネラル エレクトリック テクノロジー ゲゼルシャフト ミット ベシュレンクテル ハフツングGeneral Electric Technology GmbH | タービン配列 |
WO2016135832A1 (ja) | 2015-02-23 | 2016-09-01 | 三菱重工コンプレッサ株式会社 | 蒸気タービン |
Also Published As
Publication number | Publication date |
---|---|
KR102627569B1 (ko) | 2024-01-19 |
KR20200096612A (ko) | 2020-08-12 |
US10662802B2 (en) | 2020-05-26 |
CN111527284A (zh) | 2020-08-11 |
EP3735517B1 (en) | 2023-12-27 |
US20190203609A1 (en) | 2019-07-04 |
WO2019135838A1 (en) | 2019-07-11 |
EP3735517A4 (en) | 2021-10-13 |
EP3735517A1 (en) | 2020-11-11 |
JP2021509458A (ja) | 2021-03-25 |
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