RU2580913C2 - Паровая турбина низкого давления - Google Patents

Паровая турбина низкого давления Download PDF

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Publication number
RU2580913C2
RU2580913C2 RU2011113994/06A RU2011113994A RU2580913C2 RU 2580913 C2 RU2580913 C2 RU 2580913C2 RU 2011113994/06 A RU2011113994/06 A RU 2011113994/06A RU 2011113994 A RU2011113994 A RU 2011113994A RU 2580913 C2 RU2580913 C2 RU 2580913C2
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RU
Russia
Prior art keywords
steam
last stage
wall
blades
inwardly directed
Prior art date
Application number
RU2011113994/06A
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English (en)
Russian (ru)
Other versions
RU2011113994A (ru
Inventor
Судхакар НЕЕЛИ
Пракаш Б. ДАЛСАНИЯ
Original Assignee
Дженерал Электрик Компани
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Publication date
Application filed by Дженерал Электрик Компани filed Critical Дженерал Электрик Компани
Publication of RU2011113994A publication Critical patent/RU2011113994A/ru
Application granted granted Critical
Publication of RU2580913C2 publication Critical patent/RU2580913C2/ru

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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
    • 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
    • F01D5/142—Shape, i.e. outer, aerodynamic form of the blades of successive rotor or stator blade-rows
    • F01D5/143—Contour of the outer or inner working fluid flow path wall, i.e. shroud or hub contour
    • 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
    • F01D5/22—Blade-to-blade connections, e.g. for damping vibrations
    • F01D5/225—Blade-to-blade connections, e.g. for damping vibrations by shrouding
    • 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
    • F01D25/30—Exhaust heads, chambers, or the like
    • 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
    • F05D2210/00—Working fluids
    • F05D2210/40—Flow geometry or direction
    • F05D2210/42—Axial inlet and radial outlet
    • 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
    • F05D2240/10—Stators
    • F05D2240/12—Fluid guiding means, e.g. vanes
    • F05D2240/127—Vortex generators, turbulators, or the like, for mixing
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49316—Impeller making
    • Y10T29/4932—Turbomachine making
    • Y10T29/49323—Assembling fluid flow directing devices, e.g., stators, diaphragms, nozzles

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
RU2011113994/06A 2010-04-13 2011-04-12 Паровая турбина низкого давления RU2580913C2 (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/758,919 2010-04-13
US12/758,919 US8475125B2 (en) 2010-04-13 2010-04-13 Shroud vortex remover

Publications (2)

Publication Number Publication Date
RU2011113994A RU2011113994A (ru) 2012-10-20
RU2580913C2 true RU2580913C2 (ru) 2016-04-10

Family

ID=44533451

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2011113994/06A RU2580913C2 (ru) 2010-04-13 2011-04-12 Паровая турбина низкого давления

Country Status (4)

Country Link
US (1) US8475125B2 (enExample)
EP (1) EP2378077A3 (enExample)
JP (1) JP2011220336A (enExample)
RU (1) RU2580913C2 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU225851U1 (ru) * 2024-03-19 2024-05-08 федеральное государственное бюджетное образовательное учреждение высшего образования "Национальный исследовательский университет "МЭИ" (ФГБОУ ВО "НИУ "МЭИ") Ротор паровой турбины с активной защитой от эрозионного износа

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8708639B2 (en) * 2010-10-11 2014-04-29 The Coca-Cola Company Turbine bucket shroud tail
US9249687B2 (en) 2010-10-27 2016-02-02 General Electric Company Turbine exhaust diffusion system and method
US20130022444A1 (en) * 2011-07-19 2013-01-24 Sudhakar Neeli Low pressure turbine exhaust diffuser with turbulators
US20130243564A1 (en) * 2012-03-14 2013-09-19 Prakash Bavanjibhai Dalsania Exhaust diffuser for turbine
US9885368B2 (en) 2012-05-24 2018-02-06 Carrier Corporation Stall margin enhancement of axial fan with rotating shroud
EP2677123B2 (en) * 2012-06-18 2018-04-25 General Electric Technology GmbH Diffuser for turbomachines
US9644496B2 (en) 2013-03-13 2017-05-09 General Electric Company Radial diffuser exhaust system
US20140348647A1 (en) * 2013-05-24 2014-11-27 Solar Turbines Incorporated Exhaust diffuser for a gas turbine engine exhaust system
JP2017031947A (ja) * 2015-08-05 2017-02-09 三菱日立パワーシステムズ株式会社 低圧蒸気タービン構造
RU2612309C1 (ru) * 2015-10-26 2017-03-06 Государственный научный центр Российской Федерации - федеральное государственное унитарное предприятие "Исследовательский Центр имени М.В. Келдыша" Центростремительная турбина
JP6745233B2 (ja) * 2017-02-28 2020-08-26 三菱重工業株式会社 タービン及びガスタービン
EP3653850B1 (en) * 2018-11-16 2021-09-29 Doosan Skoda Power S.r.o. Exhaust diffuser for a steam turbine and corresponding steam turbine

Citations (4)

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GB1386281A (en) * 1972-03-06 1975-03-05 Luft U Kaeltetechnik Veb K Boundary layer control for turbo machines
SU546733A1 (ru) * 1971-06-15 1977-02-15 Предприятие П/Я А-3513 Осерадиальный диффузор
SU1454991A1 (ru) * 1987-05-25 1989-01-30 Харьковский политехнический институт им.В.И.Ленина Выхлопна часть турбомашины
EP1253295A2 (en) * 2001-04-27 2002-10-30 Mitsubishi Heavy Industries, Ltd. Axial-flow turbine having a stepped portion in a flow passage

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US3625630A (en) * 1970-03-27 1971-12-07 Caterpillar Tractor Co Axial flow diffuser
JPS5520607U (enExample) * 1978-07-26 1980-02-08
US4567729A (en) 1984-09-17 1986-02-04 Westinghouse Electric Corp. Method of forming a zone condenser with a single low pressure double flow turbine
US5209634A (en) * 1991-02-20 1993-05-11 Owczarek Jerzy A Adjustable guide vane assembly for the exhaust flow passage of a steam turbine
US5257906A (en) * 1992-06-30 1993-11-02 Westinghouse Electric Corp. Exhaust system for a turbomachine
DE4422700A1 (de) 1994-06-29 1996-01-04 Abb Management Ag Diffusor für Turbomaschine
JP4249903B2 (ja) * 1998-04-06 2009-04-08 シーメンス アクチエンゲゼルシヤフト 蒸気タービン
DE10037684A1 (de) 2000-07-31 2002-02-14 Alstom Power Nv Niederdruckdampfturbine mit Mehrkanal-Diffusor
JP3912989B2 (ja) * 2001-01-25 2007-05-09 三菱重工業株式会社 ガスタービン
DE10255389A1 (de) * 2002-11-28 2004-06-09 Alstom Technology Ltd Niederdruckdampfturbine mit Mehrkanal-Diffusor
US7780403B2 (en) * 2006-09-08 2010-08-24 Siemens Energy, Inc. Adjustable turbine exhaust flow guide and bearing cone assemblies
JP2009133254A (ja) * 2007-11-30 2009-06-18 Hitachi Ltd 蒸気タービンの排気室
JP2011089508A (ja) * 2009-10-26 2011-05-06 Mitsubishi Heavy Ind Ltd タービン排気構造
JP5422470B2 (ja) * 2010-04-05 2014-02-19 株式会社東芝 軸流タービン

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU546733A1 (ru) * 1971-06-15 1977-02-15 Предприятие П/Я А-3513 Осерадиальный диффузор
GB1386281A (en) * 1972-03-06 1975-03-05 Luft U Kaeltetechnik Veb K Boundary layer control for turbo machines
SU1454991A1 (ru) * 1987-05-25 1989-01-30 Харьковский политехнический институт им.В.И.Ленина Выхлопна часть турбомашины
EP1253295A2 (en) * 2001-04-27 2002-10-30 Mitsubishi Heavy Industries, Ltd. Axial-flow turbine having a stepped portion in a flow passage

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU225851U1 (ru) * 2024-03-19 2024-05-08 федеральное государственное бюджетное образовательное учреждение высшего образования "Национальный исследовательский университет "МЭИ" (ФГБОУ ВО "НИУ "МЭИ") Ротор паровой турбины с активной защитой от эрозионного износа

Also Published As

Publication number Publication date
US8475125B2 (en) 2013-07-02
EP2378077A2 (en) 2011-10-19
EP2378077A3 (en) 2014-10-01
RU2011113994A (ru) 2012-10-20
JP2011220336A (ja) 2011-11-04
US20110250064A1 (en) 2011-10-13

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Effective date: 20160413