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WO1998004810A1 - Installation de turbine a element de poussee et element de poussee pour installation de turbine - Google Patents

Installation de turbine a element de poussee et element de poussee pour installation de turbine Download PDF

Info

Publication number
WO1998004810A1
WO1998004810A1 PCT/DE1997/001546 DE9701546W WO9804810A1 WO 1998004810 A1 WO1998004810 A1 WO 1998004810A1 DE 9701546 W DE9701546 W DE 9701546W WO 9804810 A1 WO9804810 A1 WO 9804810A1
Authority
WO
WIPO (PCT)
Prior art keywords
turbine
expansion
axial
component
expansion component
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.)
Ceased
Application number
PCT/DE1997/001546
Other languages
German (de)
English (en)
Inventor
Heinrich Oeynhausen
Axel Remberg
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
Siemens Corp
Original Assignee
Siemens AG
Siemens Corp
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, Siemens Corp filed Critical Siemens AG
Priority to EP97935458A priority Critical patent/EP0914543B1/fr
Priority to DE59704804T priority patent/DE59704804D1/de
Priority to AT97935458T priority patent/ATE206502T1/de
Priority to JP50838098A priority patent/JP3898229B2/ja
Publication of WO1998004810A1 publication Critical patent/WO1998004810A1/fr
Anticipated expiration legal-status Critical
Priority to US09/237,173 priority patent/US6092986A/en
Ceased legal-status Critical Current

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

Definitions

  • the invention relates to a turbine system, in particular a steam turbine system with at least two sub-turbines, each of which has a turbine runner extending along a main axis, the turbine runner being rigidly connected to one another.
  • Each turbine section has an inner housing that accommodates the guide vise, at least one of the inner housings being displaceable in the axial direction.
  • a thermally expanding thrust element is provided for an axial displacement of this inner housing.
  • the invention further relates to a thrust element per se.
  • DE 35 22 916 AI describes a turbo set with at least one low-pressure partial turbine having an outer housing and an inner housing coaxial therewith and with at least one high-pressure and / or medium-pressure partial turbine arranged coaxially and upstream of the low-pressure partial turbine.
  • the shafts of the partial turbines are rigidly coupled together to form a shaft train. Upstream of the low-pressure turbine section there is an axial bearing for the shaft train, which defines a reference plane from which the axial shaft expansion and displacement originate.
  • the inner housing is connected by means of thrust-transmitting coupling rods to the axially movably mounted end of an axially adjacent partial turbine housing or to a turbine bearing housing.
  • the coupling rods are led out through a wall of the outer housing by means of sealing elements which also allow limited transverse movement, in a heat-mobile and vacuum-tight manner.
  • a turbine bearing upstream of the low-pressure part turbine defines a second reference plane, from which the axial expansion and displacement of the part-turbine housing supported on this turbine bearing and the one coupled to it
  • Part turbine housing take their exit. This results in an axial displacement of the shaft train and the partial turbo housing with practically the same axial expansion and in the same direction, with only minimal axial play between adjacent rotor and guide vane rings.
  • the thrust transmission by means of the coupling rods is placed in the area of thrust-transmitting turbine bearings.
  • a vacuum-tight bushing of the coupling rods is structurally combined with a horizontally heat-moveable claw bearing of the inner casing of the low-pressure turbine.
  • the claw arms of the inner housing extend in the direction parallel to the shaft and lie on the supports of the associated bearing housing with slidable support and guide surfaces.
  • the coupling rods are non-positively coupled to the claw arms in the area of the turbine bearings, in particular a membrane seal for a vacuum-tight bushing with an outer ring flange on an end face of the outer housing of the low-pressure turbine part and an inner ring flange on a part of the turbine bearing housing part is connected in a vacuum-tight manner.
  • the arrangement of the sealing elements between the seating surfaces on the outer housing end wall and on the bearing housing, that is to say between parts of only slight relative displacement, means that the larger thermal displacements of the inner housing are decoupled from the sealing elements.
  • DE-AS 1 216 322 describes a steam or gas turbine with a plurality of partial turbines arranged coaxially one behind the other, the shafts of which are rigidly coupled to one another and at least one of whose housings is axially displaceable and is coupled to a stationary partial turbine housing or bearing block.
  • the turbine low pressure housings each consist of an outer and an inner housing.
  • the inner casing of the low-pressure turbine is coupled to an adjacent partial turbine casing or a bearing block by means of a linkage which is passed through the wall of the outer casing in a vapor-tight and heat-moving manner.
  • the linkage can be a single rod which is sealed in the outer housing wall by an axially and radially flexible bellows.
  • the linkage can continue to consist of three axially there are rows of hinged, hinged rods, the middle one of which is axially movable in a bushing with a sliding fit.
  • Such a linkage should result in an axial displacement of the housing, by means of which the axial play between the rotor and the housing is kept as constant as possible.
  • it is possible to change the length of the linkage by changing its temperature. This change in temperature is carried out by additional thermal stress on the boom using steam or a liquid.
  • This starting point of the thermal expansions of the inner housing differs from the starting point of the thermal expansions of the rotor, which is defined in a bearing located further upstream.
  • the expansion pipes are connected to the corresponding outer casings of the low-pressure turbine sections via respective compensators, so that the absolute expansion of the system consisting of the inner casing and coupling rods must be absorbed by the compensators.
  • steam must be fed to the expansion tubes in a predetermined manner. This steam must either be removed from the steam process or made available separately. be put.
  • a control and monitoring system is also required, which, depending on the operating state of the steam turbines, feeds the steam to the expansion tubes to compensate for the axial play.
  • the object of the invention is to provide a turbine system in which an axial play between the rotor and the inner housing remains below a predeterminable value in a simple manner, in particular without complex control and monitoring systems.
  • Another object of the invention is to provide a corresponding thrust element for reducing the axial play between the turbine rotor and the inner housing of a turbine system.
  • a thermally expanding thrust element is provided on an inner housing which is displaceable in the axial direction for axial displacement and which has a first expansion component and a second expansion component which are connected to one another via a coupling component.
  • This coupling component mechanically and / or hydraulically effects an axial displacement of the second expansion component that is greater than an axial displacement and / or axial thermal expansion of the first expansion component.
  • the coupling element is preferably a mechanical lever.
  • This lever can be rotated about a fixed point, the first expansion component and the second expansion component also being rotatably connected to the lever at a respective connection point.
  • the distance between the second connection point and the fixed point is greater than the distance between the first connection point and the fixed point.
  • a displacement of the first connection point caused by a thermal expansion and / or a displacement of the first expansion component thus causes the mechanical lever to rotate about its fixed point. Since the lever arm of the second expansion component, ie the distance between the second connection point and the fixed point, is larger than the lever arm of the first expansion component, the mechanical lever causes an axial displacement of the second expansion component, which is rectified and larger than the axial displacement of the first connection point.
  • the relative expansion of the third low-pressure inner housing with respect to the turbine rotor is kept so low that between the stationary guide vanes and the rotating ones Blades even under full load of the steam turbine system the axial play remains below a predeterminable value.
  • the axial play can be set to a value which essentially corresponds to the axial play of the other low-pressure sub-turbines by the choice of the corresponding rectified lever arms. This means that all low-pressure turbines can be designed identically.
  • a coupling component that mechanically and / or hydraulically strengthens the axial displacement and / or axial expansion of the first expansion component in the same direction can be implemented in a structurally simple manner, requires no complicated monitoring and regulating device and Steam supply via additional lines. With such a coupling component, a reduction in the axial play between guide vanes and rotor blades of a turbine system is thus achieved with little constructional and operational expenditure, as a result of which the efficiency of the turbine system can be increased.
  • the thrust element together with a support of a bearing supporting the inner housing, is preferably passed through a seal of an outer housing surrounding the inner housing.
  • the seal preferably has a sealing bellows which can be expanded in the axial direction.
  • an axial expansion joint comprising the thrust element with a displacement amplifier (lever), an inner housing or a plurality of inner housings and optionally thrust elements without a displacement amplifier (coupling rods), and the interconnected turbine rotors have a common axial fixed point.
  • this axial fixed point is preferably a turbine bearing arranged in the axial direction in front of all the partial turbines and used to support the outer casing of the medium-pressure sub-turbine.
  • the task aimed at a thrust element for reducing different axial expansion between two components which can be expanded independently of one another along a main axis, in particular turbine rotor and inner housing of a turbine system, is achieved by a thrust element with a first expansion component, a second expansion component and a coupling component.
  • the coupling component is preferably a mechanical lever which can be rotated about a fixed point and on which the first expansion component and the second expansion component are on the same Side of the lever are rotatably connected at a respective connection point.
  • the second connection point is further apart from the fixed point than the first connection point.
  • the thrust element can also have a hydraulic displacement amplifier, for example formed by a hydraulic channel tapering along the main axis, at the ends of which the first expansion component and the second expansion component are connected.
  • a displacement of the first expansion component in the direction of the tapering of the hydraulic channel causes a displacement of an incompressible hydraulic fluid arranged therein into the tapering part. Due to the constant volume, the hydraulic fluid penetrates further into the tapered part than was displaced by the first expansion component. This results in an increase in displacement due to the incompressible hydraulic fluid.
  • FIG. 1 shows a longitudinal section through a steam turbine system
  • FIG. 2 shows a longitudinal section through a bearing between two low-pressure partial turbines with a thrust element
  • FIG. 3 shows a plan view of the thrust element according to FIG. 2.
  • the first figure 1 shows a steam turbine system 1 with a high-pressure sub-turbine 23, a medium-pressure sub-turbine 2 and three substantially identical low-pressure sub-turbines 3a, 3b, 3c arranged one behind the other along a main axis 4.
  • the low-pressure sub-turbines 3a, 3b, 3c are connected to the medium-pressure sub-turbine 2 in terms of flow technology by means of a steam supply 24.
  • the medium-pressure turbine section 2 has an external housing 22 on.
  • Each low-pressure turbine part 3a, 3b, 3c has a respective inner housing 8a, 8b, 8c and an outer housing 14 surrounding the inner housing 8a, 8b, 8c.
  • Each inner housing 8a, 8b, 8c carries the guide vanes 6 for low-pressure steam application.
  • each inner housing 8a, 8b, 8c there is a respective turbine rotor 5 which extends along the main axis 4 and which carries the low-pressure rotor blades 27.
  • the medium-pressure turbine section 2 has an inner housing 7.
  • a bearing 15 is arranged between the medium-pressure sub-turbine 2 and the first low-pressure sub-turbine 3a and between the respectively adjacent low-pressure sub-turbines 3a, 3b, 3c. This bearing 15 serves both to support the turbine runner 5 and the respective inner housing 8a, 8b, 8c.
  • a bearing 15a is also provided between the high-pressure sub-turbine 23 and the medium-pressure sub-turbine 2 for mounting the turbine rotors of these sub-turbines 2, 23.
  • a coupling rod 9a is guided parallel to the main axis 4.
  • a respective coupling rod 9a connects the medium-pressure turbine section 2 to the first low-pressure turbine section 3a and the mutually adjacent inner casings 8a, 8b, 8c of the low-pressure turbine sections 3a, 3b, 3c to one another.
  • the outer housing 22, the inner housing 8a, 8b, 8c and the coupling rods 9a, 21 connecting them form an expansion joint which, when exposed to hot steam, extends axially in the direction of the main axis 4.
  • This expansion joint thus formed has a fixed point 20, which is located on the bearing 15a between the high-pressure turbine section 23 and the medium-pressure turbine section 2.
  • the size of the thermal expansion calculated from this fixed point 20 along the main axis 4 is represented by the expansion line 25.
  • a corresponding expansion line 26 of the rigidly interconnected turbine rotors 5 of the medium-pressure sub-turbine 2 and the low-pressure sub-turbines 3a, 3b, 3c is also shown.
  • a thrust element 9 shown in more detail in FIGS. 2 and 3 with an increase in the displacement of an inner housing 8a, 8b, 8c of a low-pressure partial turbine 3a, 3b, 3c, such an expansion difference can be reduced significantly by a predeterminable value.
  • a thrust element 9 can be arranged as a replacement for a coupling rod 9a between the medium-pressure sub-turbine 2 and the first low-pressure sub-turbine 3a and between adjacent low-pressure sub-turbines 3a, 3b, 3c. It is preferably arranged between the last two low-pressure turbine sections 8b, 8c.
  • the thrust element 9 has an essentially rod-shaped first expansion component 10a and a likewise essentially rod-shaped expansion component 10b.
  • expansion components 10a, 10b are connected to one another in an articulated manner via a coupling component 11.
  • the coupling component is a mechanical lever which can be rotated about a fixed point 12.
  • each of the expansion components 10a, 10b is rotatably connected to the expansion component 11 in the direction of the main axis 4 by means of pins (not shown).
  • the connection point 13a is closer to the fixed point 12 than the connection point 13b.
  • the connection point 13a lies between the connection point 13b and the fixed point 12, so that a displacement of the connection point 13a in the direction of the main axis 4 requires a greater displacement of the connection point 13b in the direction of the main axis 4.
  • the expansion components 10a, 10b penetrate a respective bearing 15 and, together with a respective bearing area 28b, 28c, are guided through the respective outer housing 14 of the corresponding low-pressure partial turbine 3b, 3c.
  • This procedure is carried out in a gastight manner by means of a respective seal 16, the seal 16 having a sealing bellows 18 which can be stretched in the direction of the main axis 4.
  • the inner housing 8b in which the expansion component 10a is screwed, rests on the support 28a.
  • the inner housing 8c rests on the support 28b, and the expansion component 10b is firmly screwed into a corresponding claw 17 of this inner housing 8c.
  • the coupling component 11 can be used to set a corresponding displacement gain by a predeterminable value.
  • the coupling component 11 thus realizes a displacement amplification in a structurally simple and largely maintenance-free manner without a complex control, checking and pipe system, as would be necessary in the case of displacement amplification by means of a temperature increase due to steam.
  • the invention is characterized by a thrust element in a turbine system with a plurality of partial turbines, by means of which a displacement amplification is achieved mechanically and / or hydraulically.
  • the thrust element preferably has a coupling component, which represents a mechanical lever, on the articulated two push rods with different, but on the same side lying with respect to a fixed point lever arms.
  • a displacement amplification of the displacement of an inner casing of a partial turbine generated in the axial direction allows the axial play to be reduced between the blades of a turbine rotor and the guide blades of the inner casing. In addition to using essentially identical inner housings, this also means increasing the efficiency of the entire turbine system.
  • the turbine system is preferably a steam turbine system with a high-pressure partial turbine, a medium-pressure partial turbine and two or more, in particular three, low-pressure partial turbines.
  • a thrust element is also suitable for reducing the axial play in a gas turbine system with several partial turbines.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Burglar Alarm Systems (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Control Of Turbines (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
  • Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
  • Switches With Compound Operations (AREA)

Abstract

L'invention concerne une installation de turbine (1), notamment une installation de turbine à vapeur avec au moins deux turbines partielles (2, 3a, 3b, 3c) qui comprennent chacune un rotor (5) qui s'étend le long d'un axe principal (4) et un boîtier intérieur (7, 8a, 8b, 8c) qui reçoit les aubes directrices (6). Au moins un boîtier intérieur (8a, 8b, 8c) est mobile dans le sens axial. Un élément de poussée (9) qui se dilate thermiquement est prévu pour déplacer celui-ci en sens axial. L'élément de poussée a un premier composant de dilatation (10a) et un deuxième composant de dilatation (10b) couplés l'un à l'autre par un élément de couplage (11). Cet élément de couplage (11) déplace mécaniquement et/ou hydrauliquement dans le sens axial le deuxième composant de dilatation (10b) sur une distance supérieure à la dilatation thermique et/ou au déplacement axial du premier composant de dilatation (10a). L'invention concerne également un élément de poussée (9).
PCT/DE1997/001546 1996-07-24 1997-07-22 Installation de turbine a element de poussee et element de poussee pour installation de turbine Ceased WO1998004810A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP97935458A EP0914543B1 (fr) 1996-07-24 1997-07-22 Installation de turbine a element de poussee et element de poussee pour installation de turbine
DE59704804T DE59704804D1 (de) 1996-07-24 1997-07-22 Turbinenanlage mit schubelement sowie schubelement
AT97935458T ATE206502T1 (de) 1996-07-24 1997-07-22 Turbinenanlage mit schubelement sowie schubelement
JP50838098A JP3898229B2 (ja) 1996-07-24 1997-07-22 タービン設備
US09/237,173 US6092986A (en) 1996-07-24 1999-01-25 Turbine plant having a thrust element, and thrust element

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19629933.0 1996-07-24
DE19629933A DE19629933C1 (de) 1996-07-24 1996-07-24 Turbinenanlage mit Schubelement sowie Schubelement

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US09/237,173 Continuation US6092986A (en) 1996-07-24 1999-01-25 Turbine plant having a thrust element, and thrust element

Publications (1)

Publication Number Publication Date
WO1998004810A1 true WO1998004810A1 (fr) 1998-02-05

Family

ID=7800739

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE1997/001546 Ceased WO1998004810A1 (fr) 1996-07-24 1997-07-22 Installation de turbine a element de poussee et element de poussee pour installation de turbine

Country Status (9)

Country Link
EP (1) EP0914543B1 (fr)
JP (1) JP3898229B2 (fr)
CN (1) CN1091209C (fr)
AT (1) ATE206502T1 (fr)
DE (2) DE19629933C1 (fr)
ES (1) ES2165623T3 (fr)
PT (1) PT914543E (fr)
RU (1) RU2185516C2 (fr)
WO (1) WO1998004810A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113864006A (zh) * 2020-06-30 2021-12-31 上海电气电站设备有限公司 一种汽轮机膨胀滑销系统及汽轮机

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2152520C1 (ru) * 1998-07-27 2000-07-10 Акционерное общество открытого типа "Ленинградский Металлический завод" Способ прицентровки по полумуфтам ротора турбомашины к базовому ротору
EP1249579A1 (fr) * 2001-04-11 2002-10-16 Siemens Aktiengesellschaft Turbine à vapeur
JP4175859B2 (ja) * 2002-10-10 2008-11-05 株式会社東芝 蒸気タービン軸受装置
JP2004245187A (ja) * 2003-02-17 2004-09-02 Toshiba Corp ターボ機械の非接触シール装置およびこれを用いた蒸気タービン設備
RU2278276C1 (ru) * 2005-04-04 2006-06-20 Открытое Акционерное Общество "Теплоэнергосервис-ЭК" (ОАО "Теплоэнергосервис-ЭК") Цилиндр паровой турбины
DE502005003309D1 (de) * 2005-04-05 2008-04-30 Siemens Ag Verschiebesystem, Turbinenpaar, Turbinenanordnung und Verfahren zur Weitergabe einer Positionsänderung zwischen zwei Turbinen
CN101608556B (zh) * 2008-06-19 2011-12-14 上海电气电站设备有限公司 一种大型落地低压内缸
EP2692997B1 (fr) * 2011-03-31 2019-12-25 Mitsubishi Hitachi Power Systems, Ltd. Appareil de réglage de position de carter de turbine à vapeur
EP2554801A1 (fr) * 2011-08-02 2013-02-06 Siemens Aktiengesellschaft Système de turbine comprenant un agencement de tige de poussée entre deux carters
JP6000140B2 (ja) * 2013-01-23 2016-09-28 三菱日立パワーシステムズ株式会社 位置調整機構及び蒸気タービン
EP2821593A1 (fr) * 2013-07-04 2015-01-07 Alstom Technology Ltd Procédé et appareil pour controller un jeu axial de turbine à vapeur
EP2910741A1 (fr) * 2014-02-24 2015-08-26 Siemens Aktiengesellschaft Tige de poussée chauffante pour une turbine à vapeur
JP6162667B2 (ja) 2014-09-09 2017-07-12 株式会社神戸製鋼所 回転機ユニット
CN106837432B (zh) * 2015-12-03 2019-10-11 上海电气电站设备有限公司 汽轮机胀差控制结构及控制方法
US11460037B2 (en) 2019-03-29 2022-10-04 Pratt & Whitney Canada Corp. Bearing housing

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Publication number Priority date Publication date Assignee Title
DE1216322B (de) 1962-05-30 1966-05-12 Creusot Forges Ateliers Dampf- oder Gasturbine mit mehreren, koaxial hintereinander angeordneten Teilturbinen
GB1145612A (en) 1966-04-12 1969-03-19 Licentia Gmbh Improvements relating to steam turbines
DE3522916A1 (de) 1985-06-27 1987-01-08 Kraftwerk Union Ag Turbosatz mit wenigstens einer, ein aussengehaeuse und ein dazu koaxiales innengehaeuse aufweisenden niederdruck-teilturbine und mit hochdruck- und/oder mitteldruck-teilturbine
EP0374645A1 (fr) * 1988-12-23 1990-06-27 Asea Brown Boveri Ag Stator multiple pour une installation de turbine à vapeur
WO1995030078A1 (fr) * 1994-05-03 1995-11-09 Gec Alsthom Electromecanique S.A. Unite de production d'energie electrique a cycle combine comportant une turbine a gaz et une turbine a vapeur a plusieurs modules

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SU1321846A1 (ru) * 1970-04-14 1987-07-07 Предприятие П/Я В-2451 Опора цилиндра турбины
SU1712632A1 (ru) * 1989-04-24 1992-02-15 Производственное Объединение Турбостроения "Ленинградский Металлический Завод" Паротурбинна установка

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1216322B (de) 1962-05-30 1966-05-12 Creusot Forges Ateliers Dampf- oder Gasturbine mit mehreren, koaxial hintereinander angeordneten Teilturbinen
GB1145612A (en) 1966-04-12 1969-03-19 Licentia Gmbh Improvements relating to steam turbines
DE3522916A1 (de) 1985-06-27 1987-01-08 Kraftwerk Union Ag Turbosatz mit wenigstens einer, ein aussengehaeuse und ein dazu koaxiales innengehaeuse aufweisenden niederdruck-teilturbine und mit hochdruck- und/oder mitteldruck-teilturbine
EP0374645A1 (fr) * 1988-12-23 1990-06-27 Asea Brown Boveri Ag Stator multiple pour une installation de turbine à vapeur
WO1995030078A1 (fr) * 1994-05-03 1995-11-09 Gec Alsthom Electromecanique S.A. Unite de production d'energie electrique a cycle combine comportant une turbine a gaz et une turbine a vapeur a plusieurs modules

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113864006A (zh) * 2020-06-30 2021-12-31 上海电气电站设备有限公司 一种汽轮机膨胀滑销系统及汽轮机

Also Published As

Publication number Publication date
CN1091209C (zh) 2002-09-18
JP2001508146A (ja) 2001-06-19
RU2185516C2 (ru) 2002-07-20
PT914543E (pt) 2002-03-28
ES2165623T3 (es) 2002-03-16
EP0914543B1 (fr) 2001-10-04
DE59704804D1 (de) 2001-11-08
ATE206502T1 (de) 2001-10-15
JP3898229B2 (ja) 2007-03-28
EP0914543A1 (fr) 1999-05-12
DE19629933C1 (de) 1997-09-04
CN1225705A (zh) 1999-08-11

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