JP2017160804A - 蒸気タービンプラント - Google Patents
蒸気タービンプラント Download PDFInfo
- Publication number
- JP2017160804A JP2017160804A JP2016043739A JP2016043739A JP2017160804A JP 2017160804 A JP2017160804 A JP 2017160804A JP 2016043739 A JP2016043739 A JP 2016043739A JP 2016043739 A JP2016043739 A JP 2016043739A JP 2017160804 A JP2017160804 A JP 2017160804A
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- JP
- Japan
- Prior art keywords
- temperature fluid
- steam turbine
- casing
- steam
- flow path
- 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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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K7/00—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating
- F01K7/16—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines being only of turbine type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K21/00—Steam engine plants not otherwise provided for
- F01K21/04—Steam engine plants not otherwise provided for using mixtures of steam and gas; Plants generating or heating steam by bringing water or steam into direct contact with hot gas
- F01K21/045—Introducing gas and steam separately into the motor, e.g. admission to a single rotor through separate nozzles
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- 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
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/08—Cooling; Heating; Heat-insulation
- F01D25/12—Cooling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K11/00—Plants characterised by the engines being structurally combined with boilers or condensers
- F01K11/02—Plants characterised by the engines being structurally combined with boilers or condensers the engines being turbines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K13/00—General layout or general methods of operation of complete plants
- F01K13/02—Controlling, e.g. stopping or starting
-
- 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
- F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
- F01D11/08—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
- F01D11/14—Adjusting or regulating tip-clearance, i.e. distance between rotor-blade tips and stator casing
- F01D11/20—Actively adjusting tip-clearance
- F01D11/24—Actively adjusting tip-clearance by selectively cooling-heating stator or rotor components
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- 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
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/08—Cooling; Heating; Heat-insulation
- F01D25/10—Heating, e.g. warming-up before starting
-
- 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]
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Control Of Turbines (AREA)
Abstract
Description
2 蒸気発生装置
3 蒸気タービン
11 高温流体供給路
12 高温流体流量調節装置
13 加熱流路
21 低温流体供給路
22 低温流体流量調節装置
23 冷却流路
31 ロータ
32 ケーシング
101 加熱制御回路
201 冷却制御回路
Claims (4)
- 熱源媒体で低温流体を加熱して高温流体を得る熱源装置と、
前記熱源装置で得た高温流体との熱交換によって蒸気を発生させる蒸気発生装置と、
前記蒸気発生装置で発生した蒸気で駆動する蒸気タービンと、
前記蒸気タービンのケーシングの外表面またはケーシングを構成する部材の内部に設けられた加熱流路と、
前記蒸気発生装置内の高温流体の流路から分岐されて前記加熱流路に接続され、前記加熱流路に高温流体を供給する高温流体供給路と、
前記高温流体供給路を流れる高温流体の流量を調節する高温流体流量調節装置とを備えたことを特徴とする蒸気タービンプラント。 - 請求項1に記載の蒸気タービンプラントにおいて、
前記蒸気タービンのロータと前記ケーシングの熱伸び差が大きいほど前記高温流体供給路を流れる高温流体の流量が増大するように、前記高温流体流量調節装置を制御する加熱制御回路を備えたことを特徴とする蒸気タービンプラント。 - 請求項1に記載の蒸気タービンプラントにおいて、
前記加熱流路は、前記ケーシングの外表面または前記ケーシングを構成部材の内部であってプラント起動時に比較的低温となる部位に設けられており、
前記ケーシングの外表面または前記ケーシングを構成する部材の内部であってプラント起動時に比較的高温となる部位に設けられた冷却流路と、
前記冷却流路に低温流体を供給する低温流体供給路と、
前記低温流体供給路を流れる低温流体の流量を調節する低温流体流量調節装置と備えたことを特徴とする蒸気タービンプラント。 - 請求項3に記載の蒸気タービンプラントにおいて、
前記冷却流路が設けられた部位と前記加熱流路が設けられた部位の温度差が大きいほど前記冷却流路を流れる低温流体の流量が増大するように、前記低温流体流量調節装置を制御する冷却制御回路を備えたことを特徴とする蒸気タービンプラント。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016043739A JP6649808B2 (ja) | 2016-03-07 | 2016-03-07 | 蒸気タービンプラント |
US15/417,977 US20170254225A1 (en) | 2016-03-07 | 2017-01-27 | Steam Turbine Plant |
EP17154033.9A EP3216988B8 (en) | 2016-03-07 | 2017-01-31 | Steam turbine plant |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016043739A JP6649808B2 (ja) | 2016-03-07 | 2016-03-07 | 蒸気タービンプラント |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2017160804A true JP2017160804A (ja) | 2017-09-14 |
JP6649808B2 JP6649808B2 (ja) | 2020-02-19 |
Family
ID=57956145
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016043739A Active JP6649808B2 (ja) | 2016-03-07 | 2016-03-07 | 蒸気タービンプラント |
Country Status (3)
Country | Link |
---|---|
US (1) | US20170254225A1 (ja) |
EP (1) | EP3216988B8 (ja) |
JP (1) | JP6649808B2 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10337357B2 (en) | 2017-01-31 | 2019-07-02 | General Electric Company | Steam turbine preheating system with a steam generator |
US10174639B2 (en) * | 2017-01-31 | 2019-01-08 | General Electric Company | Steam turbine preheating system |
US10844744B2 (en) * | 2017-09-01 | 2020-11-24 | Southwest Research Institute | Double wall supercritical carbon dioxide turboexpander |
CN108888211B (zh) * | 2018-07-12 | 2021-06-25 | 深圳市科烸芯科技有限公司 | 一种洗碗机的加热控制方法及装置 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2402841A (en) * | 1944-06-26 | 1946-06-25 | Allis Chalmers Mfg Co | Elastic fluid turbine apparatus |
JPS5838308A (ja) * | 1981-08-28 | 1983-03-05 | Hitachi Ltd | ガスタ−ビン・蒸気タ−ビン複合プラント |
JPS58140408A (ja) * | 1982-02-17 | 1983-08-20 | Hitachi Ltd | 蒸気タ−ビンの冷却装置 |
US5281085A (en) * | 1990-12-21 | 1994-01-25 | General Electric Company | Clearance control system for separately expanding or contracting individual portions of an annular shroud |
JP2954797B2 (ja) * | 1992-10-05 | 1999-09-27 | 株式会社東芝 | 蒸気タ−ビンの強制冷却装置 |
JP3621478B2 (ja) | 1995-09-21 | 2005-02-16 | 株式会社東芝 | 蒸気タービンのウォーミング装置 |
US5667358A (en) * | 1995-11-30 | 1997-09-16 | Westinghouse Electric Corporation | Method for reducing steady state rotor blade tip clearance in a land-based gas turbine to improve efficiency |
AT410695B (de) * | 1996-03-08 | 2003-06-25 | Beckmann Georg Dr | Vorrichtung und verfahren zur energieerzeugung |
EP1046787B1 (en) * | 1999-04-23 | 2006-06-07 | General Electric Company | Turbine inner shell heating and cooling flow circuit |
EP1378630A1 (de) | 2002-07-01 | 2004-01-07 | ALSTOM (Switzerland) Ltd | Dampfturbine |
CH705929A1 (de) | 2011-12-22 | 2013-06-28 | Alstom Technology Ltd | Verfahren zum Betreiben eines Kombikraftwerkes. |
BR112015018789B1 (pt) * | 2013-02-06 | 2022-03-22 | Volvo Truck Corporation | Aparelho de recuperação de calor residual |
US9695705B2 (en) * | 2014-10-29 | 2017-07-04 | General Electric Company | Systems and methods for controlling rotor to stator clearances in a steam turbine |
-
2016
- 2016-03-07 JP JP2016043739A patent/JP6649808B2/ja active Active
-
2017
- 2017-01-27 US US15/417,977 patent/US20170254225A1/en not_active Abandoned
- 2017-01-31 EP EP17154033.9A patent/EP3216988B8/en active Active
Also Published As
Publication number | Publication date |
---|---|
EP3216988B8 (en) | 2022-06-15 |
EP3216988A1 (en) | 2017-09-13 |
EP3216988B1 (en) | 2022-05-11 |
JP6649808B2 (ja) | 2020-02-19 |
US20170254225A1 (en) | 2017-09-07 |
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