JP2021509458A - 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
- Publication number
- JP2021509458A JP2021509458A JP2020535073A JP2020535073A JP2021509458A JP 2021509458 A JP2021509458 A JP 2021509458A JP 2020535073 A JP2020535073 A JP 2020535073A JP 2020535073 A JP2020535073 A JP 2020535073A JP 2021509458 A JP2021509458 A JP 2021509458A
- Authority
- JP
- Japan
- Prior art keywords
- controlled flow
- steam turbine
- steam
- flow guides
- 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.)
- Granted
Links
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 9
- 230000001133 acceleration Effects 0.000 claims description 8
- 238000012986 modification Methods 0.000 claims description 2
- 230000004048 modification Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 238000005192 partition 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
- 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
- 239000000203 mixture Substances 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 238000009736 wetting Methods 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
- 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
- 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
- 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)
Abstract
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 (15)
- 複数の制御されたフローランナー(150、220)と、
複数の制御されたフローガイド(140、210)と、を含み、
前記複数の制御されたフローガイド(140、210)は、0.4〜0.7の上流流路比(Wup/W)を含む、
蒸気タービン(100)。 - 前記上流流路比(Wup/W)は約0.6を含む、請求項1に記載の蒸気タービン(100)。
- 前記複数の制御されたフローガイド(140、210)は、1.9を超えるピッチ対幅比を含む、請求項1に記載の蒸気タービン(100)。
- 前記複数の制御されたフローガイド(140、210)は、−0.05〜−0.25バール/mmの負圧側加速率(260)を含む、請求項1に記載の蒸気タービン(100)。
- 前記複数の制御されたフローガイド(140、210)は、約−0.2バール/mmの負圧側加速率(260)を含む、請求項1に記載の蒸気タービン(100)。
- 前記複数の制御されたフローガイド(140、210)の各々はスロート(170)を含む、請求項1に記載の蒸気タービン(100)。
- 前記複数の制御されたフローガイド(140、210)は、スロート(170)の上流に1.01を超えるマッハ数分布(M1/M2)を含む、請求項6に記載の蒸気タービン(100)。
- 前記複数の制御されたフローガイド(140、210)は、スロート(170)の上流に約1.07のマッハ数分布(M1/M2)を含む、請求項6に記載の蒸気タービン(100)。
- 前記複数の制御されたフローガイド(140、210)は、25度〜38度の偏向角(180)を含む、請求項1に記載の蒸気タービン(100)。
- 前記複数の制御されたフローガイド(140、210)は約30度の偏向角(180)を含む、請求項1に記載の蒸気タービン(100)。
- 前記複数の制御されたフローガイド(140、210)は、ケーシング(25)に取り付けられている、請求項1に記載の蒸気タービン(100)。
- 前記複数の制御されたフローガイド(140、210)は、複数の第1段の制御されたフローガイド(140)を含む、請求項1に記載の蒸気タービン(100)。
- 前記複数の制御されたフローガイド(140、210)は、複数の第2段の制御されたフローガイド(210)を含む、請求項1に記載の蒸気タービン(100)。
- 前記複数の制御されたフローガイド(140、210)は改造品を含む、請求項1に記載の蒸気タービン(100)。
- 前記複数の制御されたフローランナー(150、220)は、ディスク(55)に取り付けられている、請求項1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 US10662802B2 (en) | 2018-01-02 | 2018-01-02 | Controlled flow guides for turbines |
US15/859,823 | 2018-01-02 | ||
PCT/US2018/063072 WO2019135838A1 (en) | 2018-01-02 | 2018-11-29 | Controlled flow guides for turbines |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2021509458A true JP2021509458A (ja) | 2021-03-25 |
JP2021509458A5 JP2021509458A5 (ja) | 2021-06-17 |
JP7483611B2 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 (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03138404A (ja) * | 1989-10-16 | 1991-06-12 | Westinghouse Electric Corp <We> | 蒸気タービン用の羽根 |
US5292230A (en) * | 1992-12-16 | 1994-03-08 | Westinghouse Electric Corp. | Curvature steam turbine vane airfoil |
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 (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 WO PCT/US2018/063072 patent/WO2019135838A1/en unknown
- 2018-11-29 CN CN201880084785.1A patent/CN111527284A/zh active Pending
- 2018-11-29 EP EP18898773.9A patent/EP3735517B1/en active Active
- 2018-11-29 JP JP2020535073A patent/JP7483611B2/ja active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03138404A (ja) * | 1989-10-16 | 1991-06-12 | Westinghouse Electric Corp <We> | 蒸気タービン用の羽根 |
US5292230A (en) * | 1992-12-16 | 1994-03-08 | Westinghouse Electric Corp. | Curvature steam turbine vane airfoil |
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 |
---|---|
US10662802B2 (en) | 2020-05-26 |
CN111527284A (zh) | 2020-08-11 |
KR102627569B1 (ko) | 2024-01-19 |
JP7483611B2 (ja) | 2024-05-15 |
US20190203609A1 (en) | 2019-07-04 |
EP3735517A4 (en) | 2021-10-13 |
KR20200096612A (ko) | 2020-08-12 |
EP3735517A1 (en) | 2020-11-11 |
EP3735517B1 (en) | 2023-12-27 |
WO2019135838A1 (en) | 2019-07-11 |
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