EP0206135B1 - Dispositif de liaison entre une turbine à vapeur et un condenseur - Google Patents

Dispositif de liaison entre une turbine à vapeur et un condenseur Download PDF

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Publication number
EP0206135B1
EP0206135B1 EP86107998A EP86107998A EP0206135B1 EP 0206135 B1 EP0206135 B1 EP 0206135B1 EP 86107998 A EP86107998 A EP 86107998A EP 86107998 A EP86107998 A EP 86107998A EP 0206135 B1 EP0206135 B1 EP 0206135B1
Authority
EP
European Patent Office
Prior art keywords
condenser
turbine
exhaust
sleeve
bearing
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
Application number
EP86107998A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0206135A1 (fr
Inventor
René Bozec
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.)
Alstom SA
Original Assignee
Alstom SA
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 SA filed Critical Alstom SA
Priority to AT86107998T priority Critical patent/ATE38702T1/de
Publication of EP0206135A1 publication Critical patent/EP0206135A1/fr
Application granted granted Critical
Publication of EP0206135B1 publication Critical patent/EP0206135B1/fr
Expired legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/26—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K11/00—Plants characterised by the engines being structurally combined with boilers or condensers
    • F01K11/02—Plants characterised by the engines being structurally combined with boilers or condensers the engines being turbines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28B—STEAM OR VAPOUR CONDENSERS
    • F28B9/00—Auxiliary systems, arrangements, or devices
    • F28B9/02—Auxiliary systems, arrangements, or devices for feeding steam or vapour to condensers

Definitions

  • the present invention relates to a connecting device between a steam turbine and a condenser.
  • the invention relates to turbines with axial exhaust with condenser at the end. This is to ensure a suitable connection between the turbine and the condenser without the relative expansions which exist between the condenser and the turbine reacting abnormally on the turbine causing misalignments and deformations which impair the proper functioning of the turbine to steam.
  • An arrangement which consists in that the exhaust sleeve of the turbine is connected to the condenser by means of an expansion bellows making it possible to absorb the relative differences in vertical expansion between the condenser and the turbine.
  • the condenser is free to move longitudinally in the axis of the turbine and the forces due to atmospheric pressure pushing the condenser towards the turbine are compensated by articulated flying buttresses, arranged in parallel with said bellows, connecting the sleeve of exhaust to the condenser.
  • the present invention aims to ensure that the relative expansions between the turbine and the condenser do not cause reaction forces from the condenser to the turbine.
  • the invention therefore relates to a connection device between a steam turbine and a condenser, the turbine being supported by a bearing on the intake side and a bearing on the exhaust side and being axially exhausted with a condenser at the end and comprising a sleeve of exhaust, linked to the turbine stator and the end of which is connected to the condenser by means of a tight elastic seal, characterized in that a tubular shell passes right through the condenser freely along the axis of the turbine, said ferrule being connected on the one hand, at one of its two ends, to the fixed parts of the exhaust bearing of the turbine connected to said sleeve, and on the other hand at its other end, to a flange of same diameter as that of the end of the exhaust sleeve, a tight elastic seal connecting the periphery of said flange to the condenser.
  • this provision provides an additional advantage which is to allow the visit of the exhaust bearing of the turbine by accessing it by the axial tubular shell, open to the atmosphere whereas in the previous arrangement, such access requires a chimney access to the bearing which crosses the exhaust sleeve transversely, therefore in the passage of steam.
  • said turbine comprises an axial fixed point located at the level of the intake side bearing.
  • the condenser is linked to the ground.
  • the expansion of the condenser is carried out from a transverse key.
  • the assembly shown shows an axial turbine 1 and a condenser 2 located axially at the end of the turbine, beyond an exhaust sleeve 3 of the turbine and connected to this sleeve by an elastic seal. waterproof 4.
  • the turbine 1 is supported by blocks 5 and 6A, 6B at the level of the bearing on the intake side 7 and the bearing on the exhaust side 8 disposed in the exhaust sleeve 3, respectively.
  • the bearing on the intake side 7 is rigidly connected to the turbine body by beams 9 and 10 and it rests on the block 5 by lugs 11, 12 by means of pads 13, 14 resting on a flange 15 anchored in the block 5 .
  • the bearing 8, on the exhaust side is rigidly connected by support arms 18 to an internal ferrule 19 itself supported in the exhaust sleeve 3 by arms 20.
  • the exhaust sleeve 3 is fixed to the turbine body 1 by a flange 21.
  • Figure 4 shows the parts of the bearing 8 on the exhaust side. It comprises a bearing body 22, a cap 23 and a stirrup 24 which holds the upper 25 and lower 27 bearings in place 27. At 27, the shaft of the turbine rotor is seen. On the exhaust side, the turbine is supported, as can be seen in the figures, at the level of the bearing 8 by lugs 28 and 29 by means of pads 30 and 31 resting freely on flanges 32 and 33 anchored in the solid masses 6A and 6B. On the side of this exhaust end, the turbine is not axially fixed and it can expand freely by sliding on its pads 30, 31.
  • FIGs 1 and 2 there is shown schematically the last row of movable vanes 34.
  • the condenser 2 is connected to the ground by any means fixing its position, for example by a transverse key 35 allowing the free expansion of the condenser on the part and other of the key.
  • the condenser 2 is connected to the exhaust sleeve 3 by a tight elastic seal 4 clamped by jaws 36, 37.
  • the condenser is open and connected to a flange 38 by a second tight elastic seal 39 clamped by jaws 40 and 41.
  • This flange has a circular orifice 42 and is fixed on the periphery of this orifice, to a end 43 of a tubular shell 44 which passes entirely through the condenser in the axis of the turbine and the other of which ex end 45 is fixed to the internal ferrule 19.
  • the ferrule 44 passes between two bundles 46 of tubes.
  • the first purpose of this ferrule 44 is to compensate for the force due to the atmospheric pressure which is exerted outside the turbine in the direction of the condenser 2.
  • This ferrule thus allows, thanks to its connection to the flange 38, of a diameter equal to the diameter of the right end of the exhaust sleeve and subjected to atmospheric pressure on its external face only, to exert a contrary force on the fixed parts of the turbine.
  • the condenser and the turbine are completely mechanically decoupled thanks to the seals 4 and 39 allowing their respective free expansion both vertically and axially and the forces due to atmospheric pressure are compensated by the flange 38 by l 'intermediate the ferrule 44 and the fixed parts of the bearing 8 linked to the exhaust sleeve 3 and therefore to the turbine stator.
  • the supports thus undergo no effort due to atmospheric pressure.
  • the ferrule 44 also provides additional advantages. Indeed, it allows access to the bearing 8 on the exhaust side without dismantling the body of the turbine and without requiring chimneys radially passing through the sleeve 3. The passage of steam is therefore not hindered. The ferrule also allows the passage of oil and steam piping.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Engine Equipment That Uses Special Cycles (AREA)
  • Support Of The Bearing (AREA)
EP86107998A 1985-06-14 1986-06-12 Dispositif de liaison entre une turbine à vapeur et un condenseur Expired EP0206135B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86107998T ATE38702T1 (de) 1985-06-14 1986-06-12 Bindungsvorrichtung zwischen einer dampfturbine und einem kondensator.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8509056A FR2583458B1 (fr) 1985-06-14 1985-06-14 Dispositif de liaison entre une turbine a vapeur et un condenseur.
FR8509056 1985-06-14

Publications (2)

Publication Number Publication Date
EP0206135A1 EP0206135A1 (fr) 1986-12-30
EP0206135B1 true EP0206135B1 (fr) 1988-11-17

Family

ID=9320259

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86107998A Expired EP0206135B1 (fr) 1985-06-14 1986-06-12 Dispositif de liaison entre une turbine à vapeur et un condenseur

Country Status (6)

Country Link
US (1) US4653277A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP (1) EP0206135B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS61291705A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AT (1) ATE38702T1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3661216D1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2583458B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4866941A (en) * 1988-07-05 1989-09-19 Westinghouse Electric Corp. Single condenser arrangement for side exhaust turbine
FR2651276B1 (fr) * 1989-08-28 1991-10-25 Alsthom Gec Condenseur en beton pour turbine a echappement axial et turbine munie d'un tel condenseur.
JPH04295106A (ja) * 1991-03-25 1992-10-20 Fuji Electric Co Ltd 蒸気タービン
DE19523923C2 (de) * 1995-06-30 2003-09-18 Alstom Niederdruck-Dampfturbine
DE19537478C1 (de) * 1995-10-09 1996-12-12 Siemens Ag Dampfturbinenanlage
JP2002349289A (ja) * 2001-05-21 2002-12-04 Toshiba Corp タービン用ソールプレートおよびそれを用いた発電プラント機器
US8286430B2 (en) * 2009-05-28 2012-10-16 General Electric Company Steam turbine two flow low pressure configuration
US8388314B2 (en) * 2011-04-21 2013-03-05 General Electric Company Turbine inlet casing with integral bearing housing
US8926273B2 (en) * 2012-01-31 2015-01-06 General Electric Company Steam turbine with single shell casing, drum rotor, and individual nozzle rings
DE102012110893A1 (de) * 2012-11-13 2014-05-15 HUCON Swiss AG Strömungsverlustreduzierte Druckreduktion von gasförmigen Arbeitsmitteln
JP6038663B2 (ja) * 2013-01-16 2016-12-07 株式会社東芝 軸流排気タービンの排気室

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE333906C (de) * 1921-03-07 Vickers Electrical Co Ltd Achsial beaufschlagte Dampfturbine
FR533961A (fr) * 1920-04-13 1922-03-15 Brown Turbine à vapeur à axe horizontal avec échappement axial de vapeur dans le condenseur par surface adapté directement à la turbine
FR580392A (fr) * 1923-04-03 1924-11-05 Ljungstroms Angturbin Ab Disposition applicable aux groupes moteurs à turbines
GB357210A (en) * 1929-06-13 1931-09-14 Gen Electric Improvements in and relating to elastic fluid turbines
FR1356842A (fr) * 1963-05-21 1964-03-27 Parsons C A & Co Ltd Améliorations des turbines à vapeur
CH632330A5 (de) * 1978-03-21 1982-09-30 Bbc Brown Boveri & Cie Flexible verbindung eines kondensators mit einer turbine.
EP0011066B1 (de) * 1978-10-30 1981-05-27 BBC Aktiengesellschaft Brown, Boveri & Cie. Abstützvorrichtung für eine Dampfturbine
JPS57131804A (en) * 1981-02-10 1982-08-14 Toshiba Corp Steam power station
JPS57146006A (en) * 1981-03-03 1982-09-09 Toshiba Corp Condenser

Also Published As

Publication number Publication date
FR2583458B1 (fr) 1987-08-07
JPS61291705A (ja) 1986-12-22
EP0206135A1 (fr) 1986-12-30
JPH0454807B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1992-09-01
DE3661216D1 (en) 1988-12-22
ATE38702T1 (de) 1988-12-15
US4653277A (en) 1987-03-31
FR2583458A1 (fr) 1986-12-19

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