EP0707150B1 - Compresseur - Google Patents

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Publication number
EP0707150B1
EP0707150B1 EP95810613A EP95810613A EP0707150B1 EP 0707150 B1 EP0707150 B1 EP 0707150B1 EP 95810613 A EP95810613 A EP 95810613A EP 95810613 A EP95810613 A EP 95810613A EP 0707150 B1 EP0707150 B1 EP 0707150B1
Authority
EP
European Patent Office
Prior art keywords
bolts
housing
guide vanes
groups
compressor
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 - Lifetime
Application number
EP95810613A
Other languages
German (de)
English (en)
Other versions
EP0707150A2 (fr
EP0707150A3 (fr
Inventor
Ivan Luketic
Alfred Krähenbühl
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 Switzerland GmbH
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
Publication of EP0707150A2 publication Critical patent/EP0707150A2/fr
Publication of EP0707150A3 publication Critical patent/EP0707150A3/fr
Application granted granted Critical
Publication of EP0707150B1 publication Critical patent/EP0707150B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/52—Casings; Connections of working fluid for axial pumps
    • F04D29/54—Fluid-guiding means, e.g. diffusers
    • F04D29/541—Specially adapted for elastic fluid pumps
    • F04D29/542—Bladed diffusers
    • 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
    • F01D9/00—Stators
    • F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
    • F01D9/04—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector
    • F01D9/042—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector fixing blades to stators

Definitions

  • the invention relates to a compressor with an axially divided Housing, consisting of several housing halves, in which the guide vanes are fastened with their feet in circumferential grooves are.
  • Such compressors are known. Usually are Intermediate pieces are arranged between the guide vane feet. When the compressor is operating, the air is compressed heated. The compressed air gives heat to the Intermediate pieces and the blade material from, whereby expand this. To the resulting from thermal expansion Tension in the blade root area, which leads to material defects Avoid the guide vanes and the Spacers inserted with play in the housing. During installation of the blades in the housing there are paper layers between the shovel feet are placed on the game evenly on the Distribute scope. Some spacers are covered by the intermediate pieces inserted documents fixed. In operation of the compressor burn the paper pads. Becomes the gas turbine group can be turned off and started again the intermediate pieces are fixed by vibrations loosen. This allows the guide vanes to cool down Condition collapse.
  • the blades are each at the compressor's place of installation built into the axially split housing. Due to the Inaccuracy resulting from the summation of manufacturing tolerances follows of the individual elements, as well as through the game distribution With paper liners, the elements attached to the Partition plane of the housing are exactly at the installation site to be edited. For this, the guide vanes with paper intermediate layers built into the housing at the parting line horizontal, protruding, final elements and holes for fastening the final elements drilled. In order to remove chips and dirt, all elements must be removed again. After cleaning, the Elements exactly the same as in the first installation step built-in. This means a lot of work and therefore high costs.
  • the invention has for its object in a compressor the installation of the guide vanes of the type mentioned to simplify in the compressor housing.
  • the advantages of the invention include that the position of the bolts is known exactly, and that the Sums of the manufacturing tolerances of the groups are sufficient can be determined exactly.
  • the bolts further distribute that Play evenly over the circumference of the case.
  • the game the individual groups can be easily adjusted. During installation the groups in the housing are no longer post-processing necessary, which significantly reduces the workload.
  • the compressor housing 21 consists of a lower housing half 21a and an upper housing half 21b, with an axial parting plane 20.
  • FIG. 2 are in the housing 21 inserted in circumferential circumferential grooves 10 guide vanes 1, consisting of blade 2 and blade root 3.
  • the intermediate pieces 4 can be divided into intermediate pieces 4a without recesses and spacers 4b with recesses 11. These recesses 11 serve to receive bolts 8.
  • the bolts 8, which are in the housing 21 in blind holes 5 are anchored, the guide vanes and the spacers divided into groups A1-A7.
  • the groups are A2-A5 with regard to the number of intermediate pieces 4 and guide vanes 1 identical.
  • Regarding the execution and arrangement of the Intermediate pieces 4 are the groups A2 and A4 and the groups A3 and A5 identical.
  • Closing groups A6 and A7 with divided intermediate pieces 6 and 7 designed. Around these divided spacers 6 and 7 To be able to attach in the circumferential groove 10, they are with the subsequent guide vane 1 and the intermediate piece 4b Screws 12 and pins not shown connected.
  • the Closing groups A6 and A7 are then processed in the factory so that that no further processing steps are required during assembly on site are more necessary.
  • the blade root 3a of the guide blade 1 is also modified.
  • the termination groups A6 and A7 are in the housing 21 fixed with the help of anchoring screws 9.
  • the guide vanes can also be installed without intermediate pieces, then in the correspondingly larger scoop feet Recesses for receiving the bolts are provided have to.
  • the design of the bolts is arbitrary.
  • the groups can also have one another have different numbers of guide vanes.
  • Naturally multiple division of the housing is also possible then the number of graduation groups increases.
  • the connection The graduation group can also be done through other methods than done by screwing and pinning.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Claims (5)

  1. Compresseur avec un carter (21) divisé axialement, se composant de plusieurs moitiés de carter (21a, 21b), dans lequel les aubes directrices (1) sont fixées avec leur base (3) dans des rainures périphériques (10), caractérisé en ce que des boulons (8) ancrés dans le fond de rainure de la rainure périphérique (10) sont répartis sur la périphérie et pénètrent radialement dans la rainure périphérique (10), en divisant les aubes directrices (1) en groupes (A1-A5) et en groupes terminaux (A6, A7) situés au niveau du plan de séparation (20) du carter (21).
  2. Compresseur selon la revendication 1, caractérisé en ce que les bases (3) des aubes directrices adjacentes aux boulons (8) sont pourvues d'évidements (11) pour recevoir les boulons (8).
  3. Compresseur selon la revendication 1, caractérisé en ce que des pièces intermédiaires (4) sont disposées dans la rainure périphérique (10) entre les bases (3) des aubes directrices, les pièces intermédiaires (4) adjacentes aux boulons (8) étant pourvues d'évidements (11) pour recevoir les boulons (8).
  4. Compresseur selon la revendication 3, caractérisé en ce que les groupes terminaux (A6, A7) se composent d'au moins une aube directrice (1) et d'une pièce intermédiaire divisée (6, 7), qui sont connectées ensemble par des moyens de fixation (12).
  5. Compresseur selon la revendication 1, caractérisé en ce que les groupes terminaux (A6, A7) sont fixés avec des vis d'ancrage (9) dans le carter (21).
EP95810613A 1994-10-14 1995-10-03 Compresseur Expired - Lifetime EP0707150B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4436731 1994-10-14
DE4436731A DE4436731A1 (de) 1994-10-14 1994-10-14 Verdichter

Publications (3)

Publication Number Publication Date
EP0707150A2 EP0707150A2 (fr) 1996-04-17
EP0707150A3 EP0707150A3 (fr) 1998-01-07
EP0707150B1 true EP0707150B1 (fr) 2002-08-28

Family

ID=6530758

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95810613A Expired - Lifetime EP0707150B1 (fr) 1994-10-14 1995-10-03 Compresseur

Country Status (5)

Country Link
US (1) US5575621A (fr)
EP (1) EP0707150B1 (fr)
JP (1) JP4043537B2 (fr)
CN (1) CN1057820C (fr)
DE (2) DE4436731A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19643716A1 (de) * 1996-10-23 1998-04-30 Asea Brown Boveri Schaufelträger für einen Verdichter
DE59906856D1 (de) 1999-02-12 2003-10-09 Alstom Switzerland Ltd Befestigung von Laufschaufeln einer Strömungsmachine
EP1548232A1 (fr) * 2003-12-23 2005-06-29 Siemens Aktiengesellschaft Turbomachine avec un stator et procédé de fixation d'aubes statoriques dans le stator
EP1674734A1 (fr) * 2004-12-21 2006-06-28 ALSTOM Technology Ltd Méthode d' amélioration de la stabilité de courant d' une turbomachine
DE102007009134A1 (de) 2007-02-24 2008-08-28 Mtu Aero Engines Gmbh Verdichter einer Gasturbine
US7806655B2 (en) * 2007-02-27 2010-10-05 General Electric Company Method and apparatus for assembling blade shims
US8043044B2 (en) * 2008-09-11 2011-10-25 General Electric Company Load pin for compressor square base stator and method of use
FR2948736B1 (fr) * 2009-07-31 2011-09-23 Snecma Secteur de virole exterieure pour couronne aubagee de stator de turbomachine d'aeronef, comprenant des cales amortisseuses de vibrations
JP5980405B1 (ja) * 2015-12-24 2016-08-31 三菱日立パワーシステムズ株式会社 翼の取外方法、この方法を実行するための装置及び治具、この装置を備える翼セット

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB190326455A (en) * 1903-12-03 1904-12-01 Warwick Machinery Co Ltd Improvements in and relating to Elastic Fluid Turbines.
US2247423A (en) * 1940-01-25 1941-07-01 Gen Electric Elastic fluid turbine diaphragm supporting and centering arrangement
US2247387A (en) * 1940-01-25 1941-07-01 Gen Electric Elastic fluid turbine diaphragm supporting and centering arrangement
US2661147A (en) * 1949-01-19 1953-12-01 Ingersoll Rand Co Blower blade fastening device
GB777955A (en) * 1954-07-06 1957-07-03 Ruston & Hornsby Ltd Improvements in or relating to fluid flow machines such as hydraulic, steam or gas turbines or axial-flow compressors
GB779060A (en) * 1954-08-26 1957-07-17 Rolls Royce Improvements in or relating to axial-flow compressors and turbines
US3300180A (en) * 1964-11-17 1967-01-24 Worthington Corp Segmented diaphragm assembly
DE2165529A1 (de) * 1971-12-30 1973-07-05 Kloeckner Humboldt Deutz Ag Einrichtung zum zentrieren und fixieren eines koerpers
US3817655A (en) * 1972-11-22 1974-06-18 Carrier Corp Stator blade mounting structure for turbomachines
DE3341871A1 (de) * 1983-11-19 1985-05-30 Brown, Boveri & Cie Ag, 6800 Mannheim Axialverdichter
US5022818A (en) * 1989-02-21 1991-06-11 Westinghouse Electric Corp. Compressor diaphragm assembly
CZ406592A3 (en) * 1992-01-08 1993-08-11 Alsthom Gec Drum rotor for steam action turbine and steam action turbine comprising such rotor
DE59205187D1 (de) * 1992-10-05 1996-03-07 Asea Brown Boveri Leitschaufeleinhängung für axialdurchströmte Turbomaschine

Also Published As

Publication number Publication date
CN1057820C (zh) 2000-10-25
US5575621A (en) 1996-11-19
JPH08177798A (ja) 1996-07-12
EP0707150A2 (fr) 1996-04-17
JP4043537B2 (ja) 2008-02-06
CN1129290A (zh) 1996-08-21
DE4436731A1 (de) 1996-04-18
DE59510342D1 (de) 2002-10-02
EP0707150A3 (fr) 1998-01-07

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