EP2721261A1 - Turbinensystem mit stossstangenanordnung zwischen zwei gehäusen - Google Patents

Turbinensystem mit stossstangenanordnung zwischen zwei gehäusen

Info

Publication number
EP2721261A1
EP2721261A1 EP12733012.4A EP12733012A EP2721261A1 EP 2721261 A1 EP2721261 A1 EP 2721261A1 EP 12733012 A EP12733012 A EP 12733012A EP 2721261 A1 EP2721261 A1 EP 2721261A1
Authority
EP
European Patent Office
Prior art keywords
turbine
push rod
turbine system
rotor
steam
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
EP12733012.4A
Other languages
English (en)
French (fr)
Other versions
EP2721261B1 (de
Inventor
Varun Arora
Tejinder Singh Grewal
Abhimanyu Gupta
Suvadeep Sen
Anmol Sharma
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.)
Siemens AG
Original Assignee
Siemens 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 Siemens AG filed Critical Siemens AG
Priority to EP12733012.4A priority Critical patent/EP2721261B1/de
Publication of EP2721261A1 publication Critical patent/EP2721261A1/de
Application granted granted Critical
Publication of EP2721261B1 publication Critical patent/EP2721261B1/de
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
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/28—Supporting or mounting arrangements, e.g. for turbine 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
    • F01D25/26—Double casings; Measures against temperature strain in casings
    • 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
    • F05D2300/00—Materials; Properties thereof
    • F05D2300/50—Intrinsic material properties or characteristics
    • F05D2300/502—Thermal properties
    • F05D2300/5021—Expansivity

Definitions

  • the push rod includes means for cooling to allow contraction of the push rod and also control the expansion of the push rod.
  • the means for cooling is a through hole in the push rod; the through hole in the push rod allows coolant to pass through the push rod thereby allowing cooling.
  • the coolant includes oil or steam from low pressure turbine exhaust steam. Oil is efficient absorber of heat; also steam from low pressure turbine exhaust is at a relatively low temperature and would allow cooling of the push rod.
  • the tur ⁇ bine system includes a measuring device 40 such as a differ- ential expansion (DE) meter coupled to the third turbine 26. More particularly, in the presently contemplated configura ⁇ tion, the DE meter is placed at a location proximal to the generator 6. It may be noted that the DE meter is connected to an inner casing of the third turbine 26. The DE motor is configured to provide a signal as an output to a temperature controlling device of a push rod (not shown in FIG2) . However, in other embodiments, one or more DE meters may be present wherein each DE meter is coupled to each turbine to measure the differential expansion at each turbine.
  • a measuring device 40 such as a differ- ential expansion (DE) meter coupled to the third turbine 26. More particularly, in the presently contemplated configura ⁇ tion, the DE meter is placed at a location proximal to the generator 6. It may be noted that the DE meter is connected to an inner casing of the third turbine 26. The DE motor is configured to provide a signal as an output

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Turbines (AREA)
  • Engine Equipment That Uses Special Cycles (AREA)
EP12733012.4A 2011-08-02 2012-06-22 Turbinensystem umfassend eine stösselstangenanordnung zwischen zwei gehaüse Not-in-force EP2721261B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP12733012.4A EP2721261B1 (de) 2011-08-02 2012-06-22 Turbinensystem umfassend eine stösselstangenanordnung zwischen zwei gehaüse

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP11176302A EP2554801A1 (de) 2011-08-02 2011-08-02 Turbinensystem umfassend eine Stößelstangenanordnung zwischen zwei Gehäusen
PCT/EP2012/062058 WO2013017336A1 (en) 2011-08-02 2012-06-22 A turbine system comprising a push rod arrangement between two housings
EP12733012.4A EP2721261B1 (de) 2011-08-02 2012-06-22 Turbinensystem umfassend eine stösselstangenanordnung zwischen zwei gehaüse

Publications (2)

Publication Number Publication Date
EP2721261A1 true EP2721261A1 (de) 2014-04-23
EP2721261B1 EP2721261B1 (de) 2015-10-14

Family

ID=44993979

Family Applications (2)

Application Number Title Priority Date Filing Date
EP11176302A Withdrawn EP2554801A1 (de) 2011-08-02 2011-08-02 Turbinensystem umfassend eine Stößelstangenanordnung zwischen zwei Gehäusen
EP12733012.4A Not-in-force EP2721261B1 (de) 2011-08-02 2012-06-22 Turbinensystem umfassend eine stösselstangenanordnung zwischen zwei gehaüse

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP11176302A Withdrawn EP2554801A1 (de) 2011-08-02 2011-08-02 Turbinensystem umfassend eine Stößelstangenanordnung zwischen zwei Gehäusen

Country Status (5)

Country Link
US (1) US20140248131A1 (de)
EP (2) EP2554801A1 (de)
JP (2) JP5985634B2 (de)
CN (1) CN103717845B (de)
WO (1) WO2013017336A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2910741A1 (de) 2014-02-24 2015-08-26 Siemens Aktiengesellschaft Beheizbare Schubstange für eine Dampfturbine
JP7116692B2 (ja) * 2019-02-05 2022-08-10 三菱重工業株式会社 蒸気タービン発電設備および蒸気タービン発電設備の運転方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB205559A (en) * 1922-07-17 1923-10-17 Charles Algernon Parsons Improvements in and relating to elastic fluid turbines
GB995473A (en) * 1962-05-30 1965-06-16 Rateau Soc Turbine with double-casing low-pressure cylinder
GB1145612A (en) * 1966-04-12 1969-03-19 Licentia Gmbh Improvements relating to steam turbines
JPS5257411A (en) * 1975-11-07 1977-05-11 Hitachi Ltd Gap adjusting apparatus for steam turbine
JPS6141802U (ja) * 1984-08-22 1986-03-17 株式会社東芝 蒸気タ−ビンの車室位置調整装置
DE8518569U1 (de) * 1985-06-27 1988-07-14 Siemens AG, 1000 Berlin und 8000 München Turbosatz mit wenigstens einer, ein Außengehäuse und ein dazu koaxiales Innengehäuse aufweisenden Niederdruck-Teilturbine und mit Hochdruck- und/oder Mitteldruck-Teilturbine
JP2820505B2 (ja) * 1990-05-29 1998-11-05 三菱重工業株式会社 蒸気タービンフランジボルトの冷却装置
JPH04132805A (ja) * 1990-09-25 1992-05-07 Fuji Electric Co Ltd 低圧タービンの伸び差制御装置
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
DE19629933C1 (de) * 1996-07-24 1997-09-04 Siemens Ag Turbinenanlage mit Schubelement sowie Schubelement
US6092986A (en) * 1996-07-24 2000-07-25 Siemens Aktiengesellschaft Turbine plant having a thrust element, and thrust element
JP4746499B2 (ja) * 2006-08-31 2011-08-10 川崎重工業株式会社 軸冷却構造を改良した常圧燃焼タービンシステム
US20100054911A1 (en) * 2008-08-29 2010-03-04 General Electric Company System and method for adjusting clearance in a gas turbine

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2013017336A1 *

Also Published As

Publication number Publication date
EP2554801A1 (de) 2013-02-06
CN103717845B (zh) 2016-02-17
JP5985634B2 (ja) 2016-09-06
US20140248131A1 (en) 2014-09-04
JP2014521870A (ja) 2014-08-28
EP2721261B1 (de) 2015-10-14
JP2016136026A (ja) 2016-07-28
WO2013017336A1 (en) 2013-02-07
CN103717845A (zh) 2014-04-09

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