EP3421733A1 - Schaufelträger für eine gasturbine und gasturbine mit dem schaufelträger - Google Patents

Schaufelträger für eine gasturbine und gasturbine mit dem schaufelträger Download PDF

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Publication number
EP3421733A1
EP3421733A1 EP17179199.9A EP17179199A EP3421733A1 EP 3421733 A1 EP3421733 A1 EP 3421733A1 EP 17179199 A EP17179199 A EP 17179199A EP 3421733 A1 EP3421733 A1 EP 3421733A1
Authority
EP
European Patent Office
Prior art keywords
vane carrier
clearance control
control cavity
gas turbine
carrier according
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
Application number
EP17179199.9A
Other languages
English (en)
French (fr)
Other versions
EP3421733B1 (de
Inventor
Johannes Richter
Giovanni Cataldi
Nikolas Wiedemann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ansaldo Energia IP UK Ltd
Original Assignee
Ansaldo Energia IP UK Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ansaldo Energia IP UK Ltd filed Critical Ansaldo Energia IP UK Ltd
Priority to EP17179199.9A priority Critical patent/EP3421733B1/de
Priority to CN201810699600.XA priority patent/CN109209515B/zh
Publication of EP3421733A1 publication Critical patent/EP3421733A1/de
Application granted granted Critical
Publication of EP3421733B1 publication Critical patent/EP3421733B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • 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
    • 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
    • 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
    • F01D25/24—Casings; Casing parts, e.g. diaphragms, casing fastenings
    • F01D25/246—Fastening of diaphragms or stator-rings
    • 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
    • F05D2220/00—Application
    • F05D2220/30—Application in turbines
    • F05D2220/32—Application in turbines in gas 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
    • F05D2240/125—Fluid guiding means, e.g. vanes related to the tip of a stator vane
    • 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
    • F05D2240/14—Casings or housings protecting or supporting assemblies within
    • 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
    • F05D2260/00—Function
    • F05D2260/20—Heat transfer, e.g. cooling
    • F05D2260/205—Cooling fluid recirculation, i.e. after cooling one or more components is the cooling fluid recovered and used elsewhere for other purposes

Definitions

  • rotor parts and stator parts have different responses to temperature changes due to the fact that they are made of different materials and also due to the fact that they are exposed to different temperature gradients.
  • a vane carrier for a gas turbine plant which is provided with an efficient active control clearance system.
  • a vane carrier for a gas turbine plant extending along a longitudinal axis and comprising at least one clearance control cavity which extends transversally with respect to the longitudinal axis.
  • the clearance control cavity can be oriented so as to optimize the occupation of the available space in the specific portion of the vane carrier which needs a clearance control and an influence of the thermo-mechanical behaviour.
  • Such a specific portion in fact, can have a different position in the vane carrier in function of the kind of vane carrier to which the invention should be applied. Said solution therefore brings more flexibility and considerable benefits in terms of design space.
  • the vane carrier has an inner surface facing a working channel provided with vanes and an outer surface opposite to the inner surface; the clearance control cavity being a blind hole made into the outer surface of the vane carrier.
  • the clearance control cavities are obtainable in a rapid, simple and economic way, for example by drilling the outer surface of the vane carrier.
  • the clearance control cavity 29 is a blind hole made into an outer surface of the vane carrier 10, which faces, in use, the outer casing 9 (see figures 2 and 3 ) .
  • the vane carrier 10 is split into two half shells 10a 10b which are connected one to the other at a split plane S (indicated in figure 3 ).
  • At least one insert 41 is arranged inside at least a portion of one of the plurality of clearance control cavities 29 .

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
EP17179199.9A 2017-06-30 2017-06-30 Schaufelträger für eine gasturbine und gasturbine mit dem schaufelträger Active EP3421733B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP17179199.9A EP3421733B1 (de) 2017-06-30 2017-06-30 Schaufelträger für eine gasturbine und gasturbine mit dem schaufelträger
CN201810699600.XA CN109209515B (zh) 2017-06-30 2018-06-29 用于燃气涡轮装置的导叶载体和包括所述导叶载体的燃气涡轮装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP17179199.9A EP3421733B1 (de) 2017-06-30 2017-06-30 Schaufelträger für eine gasturbine und gasturbine mit dem schaufelträger

Publications (2)

Publication Number Publication Date
EP3421733A1 true EP3421733A1 (de) 2019-01-02
EP3421733B1 EP3421733B1 (de) 2020-02-26

Family

ID=59269962

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17179199.9A Active EP3421733B1 (de) 2017-06-30 2017-06-30 Schaufelträger für eine gasturbine und gasturbine mit dem schaufelträger

Country Status (2)

Country Link
EP (1) EP3421733B1 (de)
CN (1) CN109209515B (de)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19546722A1 (de) * 1995-12-14 1997-06-19 Asea Brown Boveri Leitschaufelträger für eine Gasturbine
US20060225430A1 (en) 2005-03-29 2006-10-12 Siemens Westinghouse Power Corporation System for actively controlling compressor clearances
EP2023600A1 (de) 2007-07-27 2009-02-11 Thomson Licensing Verfahren zur Farbumsetzung von einer nichtkonvexen Ausgangsskala zu einer nichtkonvexen Zielskala
US20110027068A1 (en) * 2009-07-28 2011-02-03 General Electric Company System and method for clearance control in a rotary machine
EP2754859A1 (de) * 2013-01-10 2014-07-16 Alstom Technology Ltd Strömungsmaschine mit aktiver elektrischer Spielsteuerung und zugehöriges Verfahren
EP3023600A1 (de) 2014-11-24 2016-05-25 Alstom Technology Ltd Motorgehäuseelement
DE112014004738T5 (de) * 2013-10-15 2016-07-14 Mitsubishi Hitachi Power Systems, Ltd. Gasturbine

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005045255A1 (de) * 2005-09-22 2007-03-29 Mtu Aero Engines Gmbh Verbesserter Verdichter in Axialbauart
US20100054911A1 (en) * 2008-08-29 2010-03-04 General Electric Company System and method for adjusting clearance in a gas turbine
US9157331B2 (en) * 2011-12-08 2015-10-13 Siemens Aktiengesellschaft Radial active clearance control for a gas turbine engine
CN106382136B (zh) * 2016-11-18 2017-07-25 中国科学院工程热物理研究所 一种跨音速动叶叶顶间隙主动控制装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19546722A1 (de) * 1995-12-14 1997-06-19 Asea Brown Boveri Leitschaufelträger für eine Gasturbine
US20060225430A1 (en) 2005-03-29 2006-10-12 Siemens Westinghouse Power Corporation System for actively controlling compressor clearances
EP2023600A1 (de) 2007-07-27 2009-02-11 Thomson Licensing Verfahren zur Farbumsetzung von einer nichtkonvexen Ausgangsskala zu einer nichtkonvexen Zielskala
US20110027068A1 (en) * 2009-07-28 2011-02-03 General Electric Company System and method for clearance control in a rotary machine
EP2754859A1 (de) * 2013-01-10 2014-07-16 Alstom Technology Ltd Strömungsmaschine mit aktiver elektrischer Spielsteuerung und zugehöriges Verfahren
DE112014004738T5 (de) * 2013-10-15 2016-07-14 Mitsubishi Hitachi Power Systems, Ltd. Gasturbine
EP3023600A1 (de) 2014-11-24 2016-05-25 Alstom Technology Ltd Motorgehäuseelement

Also Published As

Publication number Publication date
CN109209515A (zh) 2019-01-15
EP3421733B1 (de) 2020-02-26
CN109209515B (zh) 2022-07-08

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