CA2797235C - Steam turbine, blade, and method - Google Patents

Steam turbine, blade, and method Download PDF

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Publication number
CA2797235C
CA2797235C CA2797235A CA2797235A CA2797235C CA 2797235 C CA2797235 C CA 2797235C CA 2797235 A CA2797235 A CA 2797235A CA 2797235 A CA2797235 A CA 2797235A CA 2797235 C CA2797235 C CA 2797235C
Authority
CA
Canada
Prior art keywords
blade
passageway
steam turbine
longitudinal
stator
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.)
Expired - Fee Related
Application number
CA2797235A
Other languages
English (en)
French (fr)
Other versions
CA2797235A1 (en
Inventor
Marco Grilli
Enrico Giusti
Enzo Imparato
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.)
Nuovo Pignone SpA
Original Assignee
Nuovo Pignone SpA
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 Nuovo Pignone SpA filed Critical Nuovo Pignone SpA
Publication of CA2797235A1 publication Critical patent/CA2797235A1/en
Application granted granted Critical
Publication of CA2797235C publication Critical patent/CA2797235C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • 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
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/32—Collecting of condensation water; Drainage ; Removing solid particles
    • 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
    • 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
    • F01D5/30—Fixing blades to rotors; Blade roots ; Blade spacers
    • 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
    • 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
    • F01D9/042—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector fixing blades to stators
    • F01D9/044—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector fixing blades to stators permanently, e.g. by welding, brazing, casting or the like
    • 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
    • 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
    • F05D2230/00—Manufacture
    • F05D2230/20—Manufacture essentially without removing material
    • F05D2230/23—Manufacture essentially without removing material by permanently joining parts together
    • F05D2230/232—Manufacture essentially without removing material by permanently joining parts together by welding
    • F05D2230/237—Brazing
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CA2797235A 2011-12-12 2012-11-29 Steam turbine, blade, and method Expired - Fee Related CA2797235C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT000060A ITCO20110060A1 (it) 2011-12-12 2011-12-12 Turbina a vapore, paletta e metodo
ITCO2011A000060 2011-12-12

Publications (2)

Publication Number Publication Date
CA2797235A1 CA2797235A1 (en) 2013-06-12
CA2797235C true CA2797235C (en) 2019-09-24

Family

ID=45571626

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2797235A Expired - Fee Related CA2797235C (en) 2011-12-12 2012-11-29 Steam turbine, blade, and method

Country Status (10)

Country Link
US (1) US20130149106A1 (de)
EP (1) EP2604801B1 (de)
JP (1) JP6163299B2 (de)
KR (1) KR102016170B1 (de)
CN (1) CN103161512A (de)
CA (1) CA2797235C (de)
IN (1) IN2012DE03364A (de)
IT (1) ITCO20110060A1 (de)
PL (1) PL2604801T3 (de)
RU (1) RU2631852C2 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITCO20130051A1 (it) * 2013-10-23 2015-04-24 Nuovo Pignone Srl Metodo per la produzione di uno stadio di una turbina a vapore
US11008893B2 (en) 2014-11-03 2021-05-18 Nuovo Pignone Srl Sector for the assembly of a stage of a turbine and corresponding manufacturing method
CN105772244B (zh) * 2016-04-29 2018-08-10 泉州市宏恩新能源汽车科技有限公司 一种空气动力学喷嘴
CN106754169A (zh) * 2016-11-18 2017-05-31 贵州省仁怀市茅台镇君丰酒业有限公司 白酒的酿造工艺
CN110945212B (zh) * 2017-09-05 2022-07-08 三菱重工业株式会社 汽轮机叶片、汽轮机、以及汽轮机叶片的制造方法
CN116057257A (zh) * 2020-08-13 2023-05-02 三菱重工业株式会社 静叶片节段及具备该静叶片节段的蒸汽涡轮
CN113007126A (zh) * 2021-02-26 2021-06-22 英飞同仁风机股份有限公司 一种多级离心鼓风机隔板及其制备方法及多级离心鼓风机

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GB760734A (en) * 1954-03-12 1956-11-07 English Electric Co Ltd Improvements in and relating to steam turbines
DE2038047A1 (de) * 1970-07-31 1972-02-03 Maschf Augsburg Nuernberg Ag Entwässerung der Oberflachen der Leitschaufeln und des Stromungsraumes von Dampfturbinen, insbesondere Satt und Naßdampfturbinen
US3724967A (en) * 1971-10-28 1973-04-03 Westinghouse Electric Corp Moisture removal device for a steam turbine
JPS503844Y1 (de) * 1973-01-22 1975-02-01
GB1411057A (en) * 1973-04-06 1975-10-22 Kosyak J F Steam turbines
US3881842A (en) * 1973-04-10 1975-05-06 Jury Fedorovich Kosyak Diaphragm for steam turbine stage
US4401254A (en) 1980-09-29 1983-08-30 Stewart-Warner Corporation Vacuum brazing process with improved gettering
US4701102A (en) * 1985-07-30 1987-10-20 Westinghouse Electric Corp. Stationary blade assembly for a steam turbine
SU1386719A1 (ru) * 1986-10-15 1988-04-07 Харьковский политехнический институт им.В.И.Ленина Направл ющий аппарат осевой турбины
US4874918A (en) 1987-02-14 1989-10-17 Nihon Sinku Gijutsu Kabusiki Kaisha Vacuum brazing apparatus
JPS63263204A (ja) * 1987-04-21 1988-10-31 Toshiba Corp タ−ビンの羽根侵食防止装置
JPS6445904A (en) * 1987-08-13 1989-02-20 Toshiba Corp Steam turbine nozzle
JPH0326802A (ja) * 1989-06-23 1991-02-05 Hitachi Ltd 蒸気タービンの静翼装置
JP2760621B2 (ja) * 1990-02-09 1998-06-04 株式会社東芝 蒸気タービンのノズル
JP2723334B2 (ja) * 1990-04-12 1998-03-09 株式会社東芝 蒸気タービンノズルの水滴除去装置
JP3630740B2 (ja) * 1994-12-08 2005-03-23 株式会社東芝 蒸気タービンのドレン排出装置
JPH1122410A (ja) * 1997-06-30 1999-01-26 Toshiba Corp 蒸気タービンの湿分分離装置およびその製造方法
EP0894558A1 (de) * 1997-07-29 1999-02-03 Siemens Aktiengesellschaft Turbinenschaufel sowie Verfahren zur Herstellung einer Turbinenschaufel
DE10005250B4 (de) * 1999-02-09 2004-10-28 Mtu Aero Engines Gmbh Verfahren zur Herstellung von faserverstärkten metallischen Bauteilen
FR2829176B1 (fr) * 2001-08-30 2005-06-24 Snecma Moteurs Carter de stator de turbomachine
JP2004124751A (ja) * 2002-09-30 2004-04-22 Toshiba Corp 蒸気タービンの湿分分離装置
JP4269763B2 (ja) * 2003-04-28 2009-05-27 株式会社Ｉｈｉ タービンノズルセグメント
FR2885310B1 (fr) * 2005-05-09 2008-12-26 Snecma Services Sa Procede de fabrication d'une aube creuse comportant un sommet en forme de baignoire, procede de reparation d'une telle aube et aube obtenue par l'un de ces procedes
JP2007023895A (ja) * 2005-07-15 2007-02-01 Toshiba Corp 蒸気タービン、タービンノズルダイアフラム、及びこれらに用いられるノズル翼、並びにその製造方法
US7780407B2 (en) * 2006-01-04 2010-08-24 General Electric Company Rotary machines and methods of assembling
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US7713024B2 (en) * 2007-02-09 2010-05-11 General Electric Company Bling nozzle/carrier interface design for a steam turbine
US20110200430A1 (en) * 2010-02-16 2011-08-18 General Electric Company Steam turbine nozzle segment having arcuate interface
FR2981602B1 (fr) * 2011-10-25 2017-02-17 Snecma Propulsion Solide Procede de fabrication d'un secteur de distributeur de turbine ou redresseur de compresseur en materiau composite pour turbomachine et turbine ou compresseur incorporant un distributeur ou un redresseur forme de tels secteurs

Also Published As

Publication number Publication date
JP2013122246A (ja) 2013-06-20
EP2604801A1 (de) 2013-06-19
US20130149106A1 (en) 2013-06-13
KR102016170B1 (ko) 2019-08-29
CN103161512A (zh) 2013-06-19
IN2012DE03364A (de) 2015-07-24
EP2604801B1 (de) 2018-03-14
KR20130066537A (ko) 2013-06-20
RU2631852C2 (ru) 2017-09-26
JP6163299B2 (ja) 2017-07-12
ITCO20110060A1 (it) 2013-06-13
CA2797235A1 (en) 2013-06-12
PL2604801T3 (pl) 2018-06-29
RU2012153181A (ru) 2014-06-20

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EEER Examination request

Effective date: 20170929

MKLA Lapsed

Effective date: 20201130