EP1624155A1 - Dampfturbine und Verfahren zum Betrieb einer Dampfturbine - Google Patents

Dampfturbine und Verfahren zum Betrieb einer Dampfturbine Download PDF

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Publication number
EP1624155A1
EP1624155A1 EP04018285A EP04018285A EP1624155A1 EP 1624155 A1 EP1624155 A1 EP 1624155A1 EP 04018285 A EP04018285 A EP 04018285A EP 04018285 A EP04018285 A EP 04018285A EP 1624155 A1 EP1624155 A1 EP 1624155A1
Authority
EP
European Patent Office
Prior art keywords
inner housing
steam
steam turbine
rotor
return
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.)
Withdrawn
Application number
EP04018285A
Other languages
German (de)
English (en)
French (fr)
Inventor
Frank Dr. Deidewig
Yevgen Dr. Kostenko
Oliver Myschi
Michael Wechsung
Uwe Zander
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 EP04018285A priority Critical patent/EP1624155A1/de
Priority to MX2007001450A priority patent/MX2007001450A/es
Priority to RU2007107799/06A priority patent/RU2351766C2/ru
Priority to AT05769957T priority patent/ATE389784T1/de
Priority to PCT/EP2005/053375 priority patent/WO2006015923A1/de
Priority to DE502005003358T priority patent/DE502005003358D1/de
Priority to EP05769957A priority patent/EP1774140B1/de
Priority to PL05769957T priority patent/PL1774140T3/pl
Priority to US11/659,405 priority patent/US8202037B2/en
Priority to CN200580033477A priority patent/CN100575671C/zh
Priority to KR1020077004341A priority patent/KR101239792B1/ko
Priority to JP2007524320A priority patent/JP4662562B2/ja
Priority to ES05769957T priority patent/ES2302555T3/es
Priority to CA002575682A priority patent/CA2575682C/en
Priority to BRPI0514080-3A priority patent/BRPI0514080A/pt
Publication of EP1624155A1 publication Critical patent/EP1624155A1/de
Withdrawn legal-status Critical Current

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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
    • F01D3/00—Machines or engines with axial-thrust balancing effected by working-fluid
    • F01D3/04—Machines or engines with axial-thrust balancing effected by working-fluid axial thrust being compensated by thrust-balancing dummy piston or the like

Definitions

  • the invention relates to a steam turbine having an outer housing and an inner housing, wherein the outer housing and the inner housing have a live steam supply channel, wherein a rotor having a thrust piston having a plurality of blades rotatably mounted within the inner housing, and the inner housing has a plurality of guide vanes arranged in such a way in that along a flow direction a flow channel with a plurality of blade stages, each having a row of blades and a row of vanes, is formed.
  • the invention further relates to a method for producing a steam turbine having an outer housing and an inner housing, wherein the outer housing and the inner housing have a live steam supply channel, wherein a rotor having a thrust balance piston comprising a plurality of rotor blades is rotatably mounted within the inner housing and on the inner housing a plurality of guide vanes such in that a flow channel is formed along a flow direction with a plurality of blade stages, each having a row of blades and a row of vanes, through which a vapor flows during operation.
  • a steam turbine is understood to mean any turbine or sub-turbine through which a working medium in the form of steam flows.
  • gas turbines are traversed with gas and / or air as the working medium, which, however, is subject to completely different temperature and pressure conditions than the steam in a steam turbine.
  • gas turbines has steam turbines z.
  • B the incoming part of a turbine working fluid with the highest temperature at the same time the highest pressure on.
  • An open cooling system which is open to the flow channel, can also be implemented in the case of gas turbines without partial turbine-external supply of cooling medium.
  • an external supply for cooling medium should be provided. For this reason, the prior art relating to gas turbines can not be used for the assessment of the subject of the present application.
  • a steam turbine typically comprises a rotor-mounted rotatably mounted rotor disposed within a housing.
  • the rotor When flowing through the interior of the flow channel formed by the housing shell with heated and pressurized steam, the rotor is rotated by the vanes through the steam.
  • the blades of the rotor are also referred to as blades.
  • usually stationary guide vanes are suspended on the inner housing, which engage along an axial extent of the body in the interspaces of the rotor blades.
  • a vane is typically held at a first location along an interior of the steam turbine casing. In this case, it is usually part of a stator blade row, which comprises a number of guide vanes, which are arranged along an inner circumference on the inside of the steam turbine housing.
  • Each vane has its blade radially inward.
  • a row of vanes at said first location along the axial extent is also referred to as a vane grille or crown.
  • a number of rows of blades are connected in series. Accordingly, at a second location along the axial extent behind the first location, a further second blade is held along the inside of the steam turbine housing.
  • a pair of a vane row and a blade row is also referred to as a vane stage.
  • the housing jacket of such a steam turbine can be formed from a number of housing segments. Under the housing shell
  • the steam turbine is to be understood in particular as the stationary housing component of a steam turbine or a partial turbine, which along the longitudinal direction of the steam turbine has an interior space in the form of a flow channel which is provided for the flow through with the working medium in the form of steam.
  • this can be an inner casing and / or a guide vane carrier.
  • it may also be provided a turbine housing, which has no inner housing or no guide vane.
  • EP 1 154 123 a possibility of removing and guiding a cooling medium from other areas of a steam system and the supply of the cooling medium in the inflow region of the working medium is described.
  • Desirable is effective cooling in a steam turbine component, in particular for a steam turbine operated in the high temperature range.
  • the invention begins, whose object is a steam turbine and a method for their production, in which the steam turbine is cooled particularly effectively even in the high temperature range.
  • the object is achieved with an initially mentioned steam turbine with an outer housing and an inner housing, wherein the outer housing and the inner housing have a live steam supply channel, wherein a thrust balance piston having rotor comprising a plurality of rotor blades rotatably mounted within the inner housing, and the inner housing a plurality of vanes arranged such that along a flow direction, a flow channel having a plurality of blade stages, each having a row of blades and a row of vanes, is formed, wherein the inner housing has a connection, as a communicating tube between the flow channel after a blade stage and a Schubaus Dermavorraum formed between the thrust balance piston of the rotor and the inner housing.
  • connection comprises a return channel, which is designed as a communicating tube between a space between the inner housing and the outer housing and the flow channel according to a blade stage is.
  • the connection further comprises, in an advantageous embodiment, a supply passage formed as a communicating tube between the space between the inner housing and the outer housing and a thrust balance piston antechamber between the thrust balance piston of the rotor and the inner housing.
  • the invention is based on the finding that flow medium, in this case steam, can be removed after a certain number of turbine stages and this expanded and cooled steam can be introduced into a thrust balance piston antechamber.
  • the invention is based on the idea that for steam turbines designed for the highest steam parameters, it is important to design both the rotor against high temperatures and housing parts, such as the inner housing or the outer housing and their screw connection for high temperatures and pressures.
  • the outer side of the inner housing, its screw and the inside of the outer housing undergoes a lower temperature.
  • other and possibly less expensive materials can be used for the outer housing as well as for the inner housing and their fittings. It is also conceivable that the outer housing can be made thinner.
  • the return channel and the supply channel are designed such that always steam flows from the flow channel in the thrust balance piston antechamber.
  • the thrust balance piston antechamber is arranged in an axial direction between thrust balance piston and inner housing.
  • the steam flowing into the thrust balance piston antechamber fulfills the task of exerting force for thrust compensation and, on the other hand, of cooling the thrust balance piston of, in particular in high-pressure turbine parts, especially thermally loaded.
  • the return channel and the supply channel are formed substantially perpendicular to the flow direction in the inner housing.
  • the space between the inner housing and the outer housing is in this case designed to connect the return channel to the supply channel.
  • Production-related aspects are in the foreground for this arrangement.
  • vertical alignment changes are avoided from housing to turbine axis, since the scored Zwangsbestömömung the space between the inner and outer housing an uncontrolled formation of associated with natural convection temperature stratification of the housings are avoided.
  • the inner housing has a cross-return channel, which is designed as a communicating tube between a sealing space between the rotor and the inner housing and arranged after a blade stage inflow space in the flow channel.
  • a steam flowing into the steam turbine flows for the most part through the flow channel.
  • a small part of the live steam does not flow through the flow channel, but through a sealing space which is arranged between the rotor and the inner housing.
  • This part of the steam is also referred to as leakage steam and leads to a loss of efficiency of the steam turbine.
  • This leakage steam which has approximately live steam temperature and live steam pressure, thermally stresses the rotor and the inner housing in the sealing space.
  • This hot and under high pressure sealing steam is passed through the cross-return passage from the sealing space through the inner housing back into the flow channel after a blade stage and expands below.
  • the cross-return channel is formed away from the sealing space substantially perpendicular to the flow direction, after a deflection substantially parallel to the flow direction and after a second deflection substantially perpendicular to the flow direction.
  • an overload introduction leading through the outer housing and inner housing opens into the inflow space.
  • the return channel is connected to the flow channel after a recirculation vane stage and the cross recirculation channel is connected to the flow channel for a cross recirculation vane stage, the cross recirculation vane stage being located downstream of the recirculation vane stage in the flow channel flow direction.
  • the recycle vane stage is the fourth vane stage and the cross-return vane stage is the fifth vane stage.
  • the cross-return vane stage is the fifth vane stage.
  • the object directed to the method is achieved by a method for producing a steam turbine with an outer housing and an inner housing, wherein the outer housing and the inner housing have a live steam supply channel, wherein a Schubaus GmbHskolben having Rotor comprising a plurality of blades is rotatably mounted within the inner housing and on the inner housing a plurality of vanes are arranged such that a flow channel along a flow direction with a plurality of blade stages, each having a row of blades and a number of vanes is formed, by the in operation a vapor flows, wherein steam flows after a blade stage via a connection in a located between the thrust balance piston of the rotor and the inner housing thrust balance piston antechamber.
  • the steam flows to the blade stage via a return channel located in the inner housing in a space between the inner housing and outer housing and from there via a supply channel located in the inner housing in the located between the thrust balance piston of the rotor and the inner housing Schubaus Dermatour.
  • the live steam temperatures are between 550 ° C to 600 ° C and the temperature of the steam flowing into the recirculation duct is between 520 ° C and 550 ° C. It is also advantageous that the steam flows at temperatures between 550 ° C to 600 ° C in the overload discharge. It is equally advantageous that the steam flows at temperatures between 540 ° C to 560 ° C in the cross-return passage.
  • FIG. 1 shows a cross section through a steam turbine 1 according to the prior art.
  • the steam turbine 1 has an outer housing 2 and an inner housing 3.
  • the inner housing 3 and the outer housing 2 have a live steam supply channel, not shown.
  • a rotor 5 having a thrust balance piston 4 is rotatably mounted inside the inner casing 3.
  • the rotor 5 comprises a plurality of rotor blades 7.
  • the inner casing 3 has a plurality of stator blades 8.
  • a flow channel 9 comprises a plurality of blade stages, each of which is formed by a row of rotor blades 7 and a row of stator blades 8.
  • Fresh steam flows into an inflow opening 10 via the main steam supply duct and flows from there in a flow direction 11 through the flow duct 9, which runs essentially parallel to the axis of rotation 6.
  • the live steam expands and cools down. Thermal energy is converted into rotational energy.
  • the rotor 5 is set in a rotational movement and can drive a generator for electrical power generation.
  • a thrust balance piston 4 is formed such that a thrust balance piston antechamber 12 is formed.
  • a thrust balance piston antechamber 12 By supplying steam in the thrust balance piston antechamber 12 creates a counter force that counteracts a thrust 13.
  • FIG. 2 shows a partial section of a steam turbine 1.
  • steam flows over the live steam supply channel not shown in the input space 10.
  • the live steam supply is represented symbolically by the arrow 13.
  • the live steam usually has temperatures of up to 600 ° C and a pressure of up to 258 bar.
  • the live steam flows in the flow direction 11 through the flow channel 9. After a blade stage, the steam flows via a connection 14, 15, 16, which serves as a communicating tube between the flow channel 9 and a thrust balance piston 4 of the rotor 5 and the inner housing. 3
  • the steam flows through a return channel 14, which is formed as a communicating tube between a space 15 between the inner housing 3 and the outer housing 2 and the flow channel 9 for a blade stage, in the space 15 between the inner housing 3 and outer housing 2.
  • the in space 15 between Inner housing 3 and outer housing 2 located steam now has a temperature of 532 ° C and a pressure of 176 bar.
  • the steam flows via a supply channel 16, which serves as a communicating tube between the space 15 between the inner housing 3 and the outer housing 2 and the thrust balance piston antechamber 12 between the thrust balance piston 4 of the rotor 5 and the inner housing 3 in the thrust balance piston antechamber 12th
  • the thrust balance piston antechamber 12 is arranged in an axial direction 17 between thrust balance piston 4 and inner housing 3.
  • a fresh steam flowing into the space 10 flows for the most part in the flow direction 11 into the flow channel 9.
  • a smaller part flows as a leak vapor into a sealing space 18.
  • the leakage steam flows essentially in an opposite direction 19.
  • the leakage steam flows through a cross-return channel 20, which acts as a communicating tube between a between the sealing space 18 between the rotor 5 and the housing 3 and arranged after a blade stage inflow 21 in the flow channel 9 in the flow channel 9.
  • the cross-return passage 20 is in this case from the sealing chamber 18 away in the Substantially perpendicular to the flow direction 11, after a deflection 21 substantially parallel to the flow direction 11 and after a second deflection 22 substantially perpendicular to the flow direction 11 is formed.
  • the inner housing and outer housing may be formed with an overload introduction, not shown.
  • In the overload discharge flows external steam, which is symbolized by the arrow 23.
  • the recirculation passage 14 is connected to the flow passage 9 downstream of a recirculation vane stage 24, and the cross recirculation passage 20 is connected to the flow passage 9 downstream of a cross return vane stage 25.
  • the cross-return vane stage 25 is in this case arranged in the flow direction 11 of the flow channel 9 after the return vane stage 24.
  • the recycle vane stage 24 is the fourth vane stage and the cross-return vane stage is the fifth vane stage.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Control Of Turbines (AREA)
  • Engine Equipment That Uses Special Cycles (AREA)
EP04018285A 2004-08-02 2004-08-02 Dampfturbine und Verfahren zum Betrieb einer Dampfturbine Withdrawn EP1624155A1 (de)

Priority Applications (15)

Application Number Priority Date Filing Date Title
EP04018285A EP1624155A1 (de) 2004-08-02 2004-08-02 Dampfturbine und Verfahren zum Betrieb einer Dampfturbine
MX2007001450A MX2007001450A (es) 2004-08-02 2005-07-14 Turbina de vapor, y metodo para la operacion de una turbina de vapor.
RU2007107799/06A RU2351766C2 (ru) 2004-08-02 2005-07-14 Паровая турбина и способ работы паровой турбины
AT05769957T ATE389784T1 (de) 2004-08-02 2005-07-14 Dampfturbine und verfahren zum betrieb einer dampfturbine
PCT/EP2005/053375 WO2006015923A1 (de) 2004-08-02 2005-07-14 Dampfturbine und verfahren zum betrieb einer dampfturbine
DE502005003358T DE502005003358D1 (de) 2004-08-02 2005-07-14 Dampfturbine und verfahren zum betrieb einer dampfturbine
EP05769957A EP1774140B1 (de) 2004-08-02 2005-07-14 Dampfturbine und verfahren zum betrieb einer dampfturbine
PL05769957T PL1774140T3 (pl) 2004-08-02 2005-07-14 Turbina parowa i sposób eksploatacji turbiny parowej
US11/659,405 US8202037B2 (en) 2004-08-02 2005-07-14 Steam turbine and method for operation of a steam turbine
CN200580033477A CN100575671C (zh) 2004-08-02 2005-07-14 汽轮机和汽轮机运行方法
KR1020077004341A KR101239792B1 (ko) 2004-08-02 2005-07-14 증기 터빈, 및 증기 터빈의 작동 방법
JP2007524320A JP4662562B2 (ja) 2004-08-02 2005-07-14 蒸気タービンおよびその運転方法
ES05769957T ES2302555T3 (es) 2004-08-02 2005-07-14 Turbina de vapor y procedimiento para hacer funcionar una turbina de vapor.
CA002575682A CA2575682C (en) 2004-08-02 2005-07-14 Steam turbine and method for operation of a steam turbine
BRPI0514080-3A BRPI0514080A (pt) 2004-08-02 2005-07-14 turbina a vapor e método para operar uma turbina a vapor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04018285A EP1624155A1 (de) 2004-08-02 2004-08-02 Dampfturbine und Verfahren zum Betrieb einer Dampfturbine

Publications (1)

Publication Number Publication Date
EP1624155A1 true EP1624155A1 (de) 2006-02-08

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Family Applications (2)

Application Number Title Priority Date Filing Date
EP04018285A Withdrawn EP1624155A1 (de) 2004-08-02 2004-08-02 Dampfturbine und Verfahren zum Betrieb einer Dampfturbine
EP05769957A Active EP1774140B1 (de) 2004-08-02 2005-07-14 Dampfturbine und verfahren zum betrieb einer dampfturbine

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP05769957A Active EP1774140B1 (de) 2004-08-02 2005-07-14 Dampfturbine und verfahren zum betrieb einer dampfturbine

Country Status (14)

Country Link
US (1) US8202037B2 (ko)
EP (2) EP1624155A1 (ko)
JP (1) JP4662562B2 (ko)
KR (1) KR101239792B1 (ko)
CN (1) CN100575671C (ko)
AT (1) ATE389784T1 (ko)
BR (1) BRPI0514080A (ko)
CA (1) CA2575682C (ko)
DE (1) DE502005003358D1 (ko)
ES (1) ES2302555T3 (ko)
MX (1) MX2007001450A (ko)
PL (1) PL1774140T3 (ko)
RU (1) RU2351766C2 (ko)
WO (1) WO2006015923A1 (ko)

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EP1780376A1 (de) * 2005-10-31 2007-05-02 Siemens Aktiengesellschaft Dampfturbine
EP2154332A1 (de) * 2008-08-14 2010-02-17 Siemens Aktiengesellschaft Verminderung der thermischen Belastung eines Aussengehäuses für eine Strömungsmaschine
EP2410128A1 (de) * 2010-07-21 2012-01-25 Siemens Aktiengesellschaft Interne Kühlung für eine Strömungsmaschine
EP2431570A1 (de) * 2010-09-16 2012-03-21 Siemens Aktiengesellschaft Dampfturbine mit einem Schubausgleichskolben und Nassdampfabsperrung
EP2554789A1 (de) * 2011-08-04 2013-02-06 Siemens Aktiengesellschaft Dampfturbine umfassend einen Schubausgleichskolben
EP2295728A3 (en) * 2009-08-07 2014-03-12 Kabushiki Kaisha Toshiba Steam turbine and cooling method of operating steam turbine
RU2655068C1 (ru) * 2014-08-20 2018-05-23 Сименс Акциенгезелльшафт Паровая турбина и способ эксплуатации паровой турбины
EP2518277B1 (en) 2009-12-21 2018-10-10 Mitsubishi Hitachi Power Systems, Ltd. Cooling method and device in single-flow turbine
CN114278384A (zh) * 2021-12-15 2022-04-05 东方电气集团东方汽轮机有限公司 一种可调抽汽式汽轮机轴向推力平衡结构及方法
EP3879077A4 (en) * 2018-11-06 2022-08-31 Shanghai Electric Power Generation Equipment Co., Ltd. STEAM TURBINE WITH STEAM ADDITIONAL STRUCTURE AND OPERATING METHOD THEREOF
EP3879078A4 (en) * 2018-11-06 2022-08-31 Shanghai Electric Power Generation Equipment Co., Ltd. STEAM TURBINE AND ITS INTERNAL COOLING PROCESS

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DE102008022966B4 (de) * 2008-05-09 2014-12-24 Siemens Aktiengesellschaft Rotationsmaschine
EP2336506A1 (de) 2009-12-15 2011-06-22 Siemens Aktiengesellschaft Dampfturbine in dreischaliger Bauweise
WO2012126533A1 (en) * 2011-03-18 2012-09-27 Alstom Technology Ltd Method for retrofitting a double flow steam turbine
US8888436B2 (en) * 2011-06-23 2014-11-18 General Electric Company Systems and methods for cooling high pressure and intermediate pressure sections of a steam turbine
EP2565419A1 (de) * 2011-08-30 2013-03-06 Siemens Aktiengesellschaft Kühlung für eine Strömungsmaschine
CN102418564A (zh) * 2011-10-28 2012-04-18 上海电气电站设备有限公司 静子平衡孔结构
CN102392703B (zh) * 2011-10-28 2015-03-25 上海电气电站设备有限公司 二次再热汽轮机
CN102626851B (zh) * 2012-04-27 2014-07-02 上海电气电站设备有限公司 高压导叶持环加工工艺
ITMI20120852A1 (it) * 2012-05-17 2013-11-18 Exergy Orc S R L Sistema orc per la produzione di energia tramite ciclo rankine organico
JP5917324B2 (ja) * 2012-07-20 2016-05-11 株式会社東芝 タービンおよびタービン運転方法
US20150020527A1 (en) * 2013-07-19 2015-01-22 General Electric Company Steam turbomachine having a bypass circuit for throttle flow capacity adjustment
DE102013219771B4 (de) 2013-09-30 2016-03-31 Siemens Aktiengesellschaft Dampfturbine
EP3015644B1 (en) * 2014-10-29 2018-12-12 General Electric Technology GmbH Steam turbine rotor
EP3023593A1 (de) * 2014-11-20 2016-05-25 Siemens Aktiengesellschaft Einströmungskontur für Einwellenanordnung
EP3128136A1 (de) * 2015-08-07 2017-02-08 Siemens Aktiengesellschaft Überlasteinleitung in eine dampfturbine
CN105292236A (zh) * 2015-10-22 2016-02-03 芜湖恒隆汽车转向系统有限公司 齿轮齿条式动力转向器密封结构
CN105151113A (zh) * 2015-10-22 2015-12-16 芜湖恒隆汽车转向系统有限公司 一种齿轮齿条式动力转向器密封结构
US10247029B2 (en) * 2016-02-04 2019-04-02 United Technologies Corporation Method for clearance control in a gas turbine engine
CN106014504B (zh) * 2016-07-05 2017-09-12 西安西热节能技术有限公司 一种汽缸夹层结构
DE102017211295A1 (de) 2017-07-03 2019-01-03 Siemens Aktiengesellschaft Dampfturbine und Verfahren zum Betreiben derselben
CN109026202A (zh) * 2018-06-29 2018-12-18 东方电气集团东方汽轮机有限公司 一种汽轮机及可降低汽轮机外缸工作温度的方法
EP3923737A1 (en) * 2019-02-11 2021-12-22 Evonik Operations GmbH Compositions containing bacillaene producing bacteria or preparations thereof
CN109826675A (zh) * 2019-03-21 2019-05-31 上海电气电站设备有限公司 汽轮机冷却系统及方法
CN112253259A (zh) * 2020-09-16 2021-01-22 上海发电设备成套设计研究院有限责任公司 一种透平转子系统
CN113685236B (zh) * 2021-08-23 2022-10-14 华能铜川照金煤电有限公司 一种用于单缸、单列复速级背压汽轮机的平衡活塞装置

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WO2007051733A1 (de) * 2005-10-31 2007-05-10 Siemens Aktiengesellschaft Dampfturbine
EP1780376A1 (de) * 2005-10-31 2007-05-02 Siemens Aktiengesellschaft Dampfturbine
US8128341B2 (en) 2005-10-31 2012-03-06 Siemens Aktiengesellschaft Steam turbine
CN102132008B (zh) * 2008-08-14 2014-02-19 西门子公司 蒸汽涡轮机
EP2154332A1 (de) * 2008-08-14 2010-02-17 Siemens Aktiengesellschaft Verminderung der thermischen Belastung eines Aussengehäuses für eine Strömungsmaschine
WO2010018021A1 (de) * 2008-08-14 2010-02-18 Siemens Aktiengesellschaft Verminderung der thermischen belastung eines aussengehäuses für eine strömungsmaschine
EP2295728A3 (en) * 2009-08-07 2014-03-12 Kabushiki Kaisha Toshiba Steam turbine and cooling method of operating steam turbine
EP2518277B1 (en) 2009-12-21 2018-10-10 Mitsubishi Hitachi Power Systems, Ltd. Cooling method and device in single-flow turbine
EP2410128A1 (de) * 2010-07-21 2012-01-25 Siemens Aktiengesellschaft Interne Kühlung für eine Strömungsmaschine
WO2012022551A3 (de) * 2010-07-21 2013-01-10 Siemens Aktiengesellschaft Dampfturbine mit einer internen kühlung
WO2012035047A1 (de) * 2010-09-16 2012-03-22 Siemens Aktiengesellschaft Sperrschaltung bei dampfturbinen zur nassdampfabsperrung
EP2431570A1 (de) * 2010-09-16 2012-03-21 Siemens Aktiengesellschaft Dampfturbine mit einem Schubausgleichskolben und Nassdampfabsperrung
US9726041B2 (en) 2010-09-16 2017-08-08 Siemens Aktiengesellschaft Disabling circuit in steam turbines for shutting off saturated steam
EP2554789A1 (de) * 2011-08-04 2013-02-06 Siemens Aktiengesellschaft Dampfturbine umfassend einen Schubausgleichskolben
WO2013017634A1 (de) * 2011-08-04 2013-02-07 Siemens Aktiengesellschaft Dampfturbine umfassend einen schubausgleichskolben
RU2655068C1 (ru) * 2014-08-20 2018-05-23 Сименс Акциенгезелльшафт Паровая турбина и способ эксплуатации паровой турбины
EP3879077A4 (en) * 2018-11-06 2022-08-31 Shanghai Electric Power Generation Equipment Co., Ltd. STEAM TURBINE WITH STEAM ADDITIONAL STRUCTURE AND OPERATING METHOD THEREOF
EP3879078A4 (en) * 2018-11-06 2022-08-31 Shanghai Electric Power Generation Equipment Co., Ltd. STEAM TURBINE AND ITS INTERNAL COOLING PROCESS
US11746674B2 (en) 2018-11-06 2023-09-05 Shanghai Electric Power Generation Equipment Co., Ltd. Steam turbine and method for internally cooling the same
CN114278384A (zh) * 2021-12-15 2022-04-05 东方电气集团东方汽轮机有限公司 一种可调抽汽式汽轮机轴向推力平衡结构及方法
CN114278384B (zh) * 2021-12-15 2023-08-01 东方电气集团东方汽轮机有限公司 一种可调抽汽式汽轮机轴向推力平衡结构及方法

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US20080213085A1 (en) 2008-09-04
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DE502005003358D1 (de) 2008-04-30
CN101052782A (zh) 2007-10-10
WO2006015923A1 (de) 2006-02-16
CN100575671C (zh) 2009-12-30
JP4662562B2 (ja) 2011-03-30
KR20070047315A (ko) 2007-05-04
EP1774140A1 (de) 2007-04-18
ES2302555T3 (es) 2008-07-16
JP2008508471A (ja) 2008-03-21
BRPI0514080A (pt) 2008-05-27
RU2351766C2 (ru) 2009-04-10
ATE389784T1 (de) 2008-04-15
RU2007107799A (ru) 2008-09-10
EP1774140B1 (de) 2008-03-19

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