EP1536102A3 - Rotor for a steam turbine - Google Patents

Rotor for a steam turbine Download PDF

Info

Publication number
EP1536102A3
EP1536102A3 EP04105832A EP04105832A EP1536102A3 EP 1536102 A3 EP1536102 A3 EP 1536102A3 EP 04105832 A EP04105832 A EP 04105832A EP 04105832 A EP04105832 A EP 04105832A EP 1536102 A3 EP1536102 A3 EP 1536102A3
Authority
EP
European Patent Office
Prior art keywords
rotor
cooling channel
steam turbine
cooling
channel system
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
EP04105832A
Other languages
German (de)
French (fr)
Other versions
EP1536102A2 (en
EP1536102B1 (en
Inventor
Michael Dr. Hiegemann
Martin Reigl
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.)
General Electric Technology GmbH
Original Assignee
Alstom Technology AG
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 Alstom Technology AG filed Critical Alstom Technology AG
Publication of EP1536102A2 publication Critical patent/EP1536102A2/en
Publication of EP1536102A3 publication Critical patent/EP1536102A3/en
Application granted granted Critical
Publication of EP1536102B1 publication Critical patent/EP1536102B1/en
Not-in-force 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
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/02—Blade-carrying members, e.g. rotors
    • F01D5/08—Heating, heat-insulating or cooling means
    • F01D5/085—Heating, heat-insulating or cooling means cooling fluid circulating inside the rotor
    • 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
    • F01D5/02—Blade-carrying members, e.g. rotors
    • F01D5/06—Rotors for more than one axial stage, e.g. of drum or multiple disc type; Details thereof, e.g. shafts, shaft connections
    • F01D5/063—Welded rotors
    • 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
    • F01D5/02—Blade-carrying members, e.g. rotors
    • F01D5/08—Heating, heat-insulating or cooling means
    • F01D5/085—Heating, heat-insulating or cooling means cooling fluid circulating inside the rotor
    • F01D5/087—Heating, heat-insulating or cooling means cooling fluid circulating inside the rotor in the radial passages of the rotor disc
    • 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
    • F01D5/02—Blade-carrying members, e.g. rotors
    • F01D5/08—Heating, heat-insulating or cooling means
    • F01D5/085—Heating, heat-insulating or cooling means cooling fluid circulating inside the rotor
    • F01D5/088—Heating, heat-insulating or cooling means cooling fluid circulating inside the rotor in a closed cavity
    • 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
    • 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
    • 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
    • F05D2260/232—Heat transfer, e.g. cooling characterized by the cooling medium
    • F05D2260/2322—Heat transfer, e.g. cooling characterized by the cooling medium steam

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)

Abstract

Es wird ein Rotor (2) für eine Dampfturbine (1) für Arbeitsdampf vorgestellt, wobei der Rotor (2) aus wenigstens zwei Rotorteilen (2a,2b) besteht. Die zwei Rotorteile (2a,2b) sind mittels einer in Umfangsrichtung geschlossen umlaufenden, ringförmigen Schweißzone (15) miteinander verschweißt. Im Rotor (2) ist ein Kühlkanalsystem (19) ausgebildet, das wenigstens einen Zuströmkanal (22), wenigstens einen Abströmkanal (23) und wenigstens einen Kühlkanal (24) aufweist. Um die Integration des Kühlkanalsystems (19) in den Rotor (2) zu vereinfachen, umschließt die Schweißzone (15) eine Kavität (18), die einen Bestandteil des Kühlkanalsystems (19) bildet und vom Kühldampf durchströmt ist.

Figure imgaf001
A rotor (2) for a steam turbine (1) for working steam is presented, wherein the rotor (2) consists of at least two rotor parts (2a, 2b). The two rotor parts (2a, 2b) are welded together by means of a ring-shaped welding zone (15) which is closed in the circumferential direction. In the rotor (2), a cooling channel system (19) is formed which has at least one inflow channel (22), at least one outflow channel (23) and at least one cooling channel (24). In order to simplify the integration of the cooling channel system (19) into the rotor (2), the welding zone (15) encloses a cavity (18) forming part of the cooling channel system (19) and through which cooling steam flows.
Figure imgaf001
EP04105832.2A 2003-11-28 2004-11-17 Rotor for a steam turbine Not-in-force EP1536102B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10355738A DE10355738A1 (en) 2003-11-28 2003-11-28 Rotor for a turbine
DE10355738 2003-11-28

Publications (3)

Publication Number Publication Date
EP1536102A2 EP1536102A2 (en) 2005-06-01
EP1536102A3 true EP1536102A3 (en) 2012-08-22
EP1536102B1 EP1536102B1 (en) 2019-03-20

Family

ID=34442341

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04105832.2A Not-in-force EP1536102B1 (en) 2003-11-28 2004-11-17 Rotor for a steam turbine

Country Status (3)

Country Link
US (1) US7267525B2 (en)
EP (1) EP1536102B1 (en)
DE (1) DE10355738A1 (en)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998043621A1 (en) * 1997-03-31 1998-10-08 The Children's Medical Center Corporation Nitrosylation to inactivate apoptotic enzymes
EP1780376A1 (en) * 2005-10-31 2007-05-02 Siemens Aktiengesellschaft Steam turbine
EP1793091A1 (en) * 2005-12-01 2007-06-06 Siemens Aktiengesellschaft Steam turbine with bearing struts
JP2007291966A (en) 2006-04-26 2007-11-08 Toshiba Corp Steam turbine and turbine rotor
DE502006007968D1 (en) * 2006-08-25 2010-11-11 Siemens Ag Swirl-cooled rotor weld seam
GB0616832D0 (en) * 2006-08-25 2006-10-04 Alstom Technology Ltd Turbomachine
JP4908137B2 (en) * 2006-10-04 2012-04-04 株式会社東芝 Turbine rotor and steam turbine
EP1911933A1 (en) * 2006-10-09 2008-04-16 Siemens Aktiengesellschaft Rotor for a turbomachine
JP5049578B2 (en) 2006-12-15 2012-10-17 株式会社東芝 Steam turbine
WO2009056489A2 (en) 2007-11-02 2009-05-07 Alstom Technology Ltd Method for determining the remaining service life of a rotor of a thermally loaded turbo engine
US8105032B2 (en) * 2008-02-04 2012-01-31 General Electric Company Systems and methods for internally cooling a wheel of a steam turbine
US8484975B2 (en) * 2008-02-05 2013-07-16 General Electric Company Apparatus and method for start-up of a power plant
EP2211017A1 (en) * 2009-01-27 2010-07-28 Siemens Aktiengesellschaft Rotor with cavity for a turbo engine
US8453463B2 (en) * 2009-05-27 2013-06-04 Pratt & Whitney Canada Corp. Anti-vortex device for a gas turbine engine compressor
US8251643B2 (en) * 2009-09-23 2012-08-28 General Electric Company Steam turbine having rotor with cavities
EP2565419A1 (en) * 2011-08-30 2013-03-06 Siemens Aktiengesellschaft Flow machine cooling
EP2573317A1 (en) * 2011-09-21 2013-03-27 Siemens Aktiengesellschaft Rotor for a steam turbine
US8926273B2 (en) 2012-01-31 2015-01-06 General Electric Company Steam turbine with single shell casing, drum rotor, and individual nozzle rings
US10934895B2 (en) 2013-03-04 2021-03-02 Echogen Power Systems, Llc Heat engine systems with high net power supercritical carbon dioxide circuits
US9879690B2 (en) * 2013-06-06 2018-01-30 Dresser-Rand Company Compressor having hollow shaft
EP2998506A1 (en) * 2014-09-19 2016-03-23 Siemens Aktiengesellschaft System for reducing the start-up time of a steam turbine
WO2016073252A1 (en) 2014-11-03 2016-05-12 Echogen Power Systems, L.L.C. Active thrust management of a turbopump within a supercritical working fluid circuit in a heat engine system
US11187112B2 (en) 2018-06-27 2021-11-30 Echogen Power Systems Llc Systems and methods for generating electricity via a pumped thermal energy storage system
JP7242597B2 (en) * 2020-03-12 2023-03-20 東芝エネルギーシステムズ株式会社 turbine rotor
US11435120B2 (en) 2020-05-05 2022-09-06 Echogen Power Systems (Delaware), Inc. Split expansion heat pump cycle
MA61232A1 (en) 2020-12-09 2024-05-31 Supercritical Storage Company Inc THREE-TANK ELECTRIC THERMAL ENERGY STORAGE SYSTEM

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE854445C (en) * 1948-11-27 1952-11-04 Brown Ag Liquid-cooled gas turbine runner
CH353218A (en) * 1957-09-18 1961-03-31 Escher Wyss Ag An axial turbine rotor composed of disks
DE4411616A1 (en) * 1994-04-02 1995-10-05 Abb Management Ag Method of operating flow machine
US6048169A (en) * 1996-06-21 2000-04-11 Siemens Aktiengesellschaft Turbine shaft and method for cooling a turbine shaft
EP1013879A1 (en) * 1998-12-24 2000-06-28 Asea Brown Boveri AG Liquid cooled turbomachine shaft
US20030133786A1 (en) * 2002-01-11 2003-07-17 Mitsubishi Heavy Industries Ltd. Gas turbine and turbine rotor for a gas turbine

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19531290A1 (en) 1995-08-25 1997-02-27 Abb Management Ag Rotor for thermal turbomachinery
DE19617539B4 (en) * 1996-05-02 2006-02-09 Alstom Rotor for a thermal turbomachine
DE19620828C1 (en) * 1996-05-23 1997-09-04 Siemens Ag Steam turbine shaft incorporating cooling circuit
DE19648185A1 (en) * 1996-11-21 1998-05-28 Asea Brown Boveri Welded rotor of a turbomachine
WO1999000583A1 (en) * 1997-06-27 1999-01-07 Siemens Aktiengesellschaft Internally cooled steam turbine shaft and method for cooling the same
DE19757945B4 (en) * 1997-12-27 2006-11-30 Alstom Rotor for thermal turbomachinery
DE19852604A1 (en) * 1998-11-14 2000-05-18 Abb Research Ltd Rotor for gas turbine, with first cooling air diverting device having several radial borings running inwards through first rotor disk

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE854445C (en) * 1948-11-27 1952-11-04 Brown Ag Liquid-cooled gas turbine runner
CH353218A (en) * 1957-09-18 1961-03-31 Escher Wyss Ag An axial turbine rotor composed of disks
DE4411616A1 (en) * 1994-04-02 1995-10-05 Abb Management Ag Method of operating flow machine
US6048169A (en) * 1996-06-21 2000-04-11 Siemens Aktiengesellschaft Turbine shaft and method for cooling a turbine shaft
EP1013879A1 (en) * 1998-12-24 2000-06-28 Asea Brown Boveri AG Liquid cooled turbomachine shaft
US20030133786A1 (en) * 2002-01-11 2003-07-17 Mitsubishi Heavy Industries Ltd. Gas turbine and turbine rotor for a gas turbine

Also Published As

Publication number Publication date
EP1536102A2 (en) 2005-06-01
EP1536102B1 (en) 2019-03-20
US7267525B2 (en) 2007-09-11
DE10355738A1 (en) 2005-06-16
US20050118025A1 (en) 2005-06-02

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