EP2024646B1 - Turbocompresseur à plusieurs étages - Google Patents

Turbocompresseur à plusieurs étages Download PDF

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Publication number
EP2024646B1
EP2024646B1 EP07729332A EP07729332A EP2024646B1 EP 2024646 B1 EP2024646 B1 EP 2024646B1 EP 07729332 A EP07729332 A EP 07729332A EP 07729332 A EP07729332 A EP 07729332A EP 2024646 B1 EP2024646 B1 EP 2024646B1
Authority
EP
European Patent Office
Prior art keywords
wall
compressor unit
sealing elements
housing
wall section
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.)
Not-in-force
Application number
EP07729332A
Other languages
German (de)
English (en)
Other versions
EP2024646A1 (fr
Inventor
Udo Fingerhut
Wolfgang Zacharias
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 EP07729332A priority Critical patent/EP2024646B1/fr
Publication of EP2024646A1 publication Critical patent/EP2024646A1/fr
Application granted granted Critical
Publication of EP2024646B1 publication Critical patent/EP2024646B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D17/08—Centrifugal pumps
    • F04D17/10—Centrifugal pumps for compressing or evacuating
    • F04D17/12—Multi-stage pumps
    • F04D17/122—Multi-stage pumps the individual rotor discs being, one for each stage, on a common shaft and axially spaced, e.g. conventional centrifugal multi- stage compressors
    • 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
    • F04D29/60—Mounting; Assembling; Disassembling
    • F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
    • F04D29/624—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for elastic fluid pumps

Definitions

  • the invention relates to a dynamic compressor, in particular turbocompressor, with an outer housing, a compressor unit, which has a tubular housing with an outer wall and preferably circular cross section, wherein the compressor unit in at least one, preferably circular opening formed in the outer housing, which has an inner wall, is included.
  • the publication FR 232 909 A which will be the closest prior art, discloses the features of the preamble of claim 1.
  • Compressor units in dynamic compressors, especially in turbocompressors, must be centered in close fits.
  • a not sufficiently tight fit has the consequence that between free rotating components, such as in particular the rotor, and fixed components, such as the housing of the compressor unit, required clearances can not be formed sufficiently narrow, as required for a sufficiently high efficiency ,
  • the invention has for its object to provide a dynamic compressor, in particular a turbocompressor, which can be dismantled without much difficulty even after compression of polluted or corrosive gases.
  • the compressor unit in the tubular housing, the stator elements are arranged together with the wheels mounted on a shaft, is received in a preferably circular opening of the outer housing, with a close fit to sufficiently small clearances between the rotating wheels with the shaft and the inner wall to ensure the tubular housing, which are imperative for a sufficiently high efficiency of the dynamic compressor, in particular a turbo compressor.
  • two spaced-apart sealing elements are provided between the outer wall of the tubular housing and the inner wall of the opening in which the compressor unit is accommodated. These spaced-apart sealing elements, together with the outer wall of the tubular housing and the inner wall of the opening in which the compressor unit is received, form an annular gap.
  • a fluid supply line which can be supplied with fluid from outside, in particular oil, in order to fill the annular intermediate space with oil and, in particular, to apply high oil pressure, extends into the intermediate space thus formed.
  • the fluid supply line is formed by one or more holes which extend through the outer housing between the spaced-apart sealing elements, thereby providing in a practical way, ie in particular without, for example, additional pipe pressure lines, a fluid distribution , In particular, an oil distribution is feasible.
  • the sealing elements are each arranged in a groove formed in the outer wall of the tubular housing.
  • the sealing elements can also be arranged in each case in a groove formed in the inner wall of the opening of the outer housing.
  • the tubular housing has a step-shaped section, comprising a first section having a first outer wall section and a second section having a second outer wall section, wherein the first section is offset from the second section, and wherein the at least one aperture formed in the outer case is conformed to the step shape and having a first inner wall portion facing the first outer wall portion and a second inner wall portion facing the second outer wall portion, and further one of the two Sealing elements between the first outer wall portion and the first inner wall portion and the other Sealing element between the second outer wall portion and the second inner wall portion is provided.
  • the step thus formed according to the invention acts like a piston which can be pressurized with oil pressure via the fluid supply line provided in accordance with the invention in order to push the compressor unit out of its housing, thereby ultimately providing an additional advantageous means for disassembling the dynamic compressor.
  • the stepped portion may also be formed in two pieces, such that the first portion is detachably connected to the second portion.
  • the piston designed according to the invention can be used to radially separate radially and / or axially from each other under certain circumstances glued together sections for disassembly purposes by applying pressure to the piston with oil pressure.
  • the turbocompressor 10 comprises an outer housing 12 in which a compressor unit 14 is arranged in the form of a bundle.
  • the compressor unit 14 comprises an inner housing in the form of a tubular housing 16 in which an impeller 18 is mounted on a shaft 19 is.
  • a stator 22 is mounted on the inner wall 20 of the tubular housing.
  • Extending radially from the outer housing 12 are three housing elements in the form of support walls 24, which in the present case are also provided as partitions for different process stages.
  • the compressor unit 14 is received in three circular openings 26 which are formed in the support walls 24 and axially aligned, each in a close fit.
  • two sealing elements 32 spaced from each other in sealing element grooves formed in the tubular housing 16 are formed.
  • the sealing element grooves can also be formed in the inner wall 28 of the opening 26.
  • the two spaced sealing elements 32 extend around the tubular housing 16 and form, together with the outer wall 30 of the tubular housing 16 and the inner wall 28 of the opening 26, in which the compressor unit 14 is received, an annular space 34. Starting from this Interspace 34 extends a bore 36 through the support wall 24 and the outer housing 12 to the outside.
  • the bore 36 can be supplied via a hydraulic connection (not shown) from the outside oil to fill the annular space 34 with oil and in particular to set under high oil pressure.
  • a hydraulic connection not shown
  • the bore 36 can be supplied via a hydraulic connection (not shown) from the outside oil to fill the annular space 34 with oil and in particular to set under high oil pressure.
  • the in the Fig. 1 centrally arranged support wall 24 is also sealed by means of two spaced-apart sealing elements 32 against a collar 38, wherein the sealing elements 32 are received in grooves formed in the collar 38.
  • the grooves may also be formed in the inner wall 28 of the centrally arranged support wall 24.
  • These two sealing elements 32 form in conjunction with the end face of the compressor unit 14 comprehensive federal 38 and in conjunction with the inner wall 28 of the formed in the support wall 24 opening 26 an annular gap 34 which are radially expanded by applying oil pressure in the bore 36 can.
  • the compressor unit 14 including the collar 38 is received in a close fit in the formed in the support wall 24 opening 26.
  • right supporting wall 24 is the opening 26 of the recording of the compressor unit 14 together with a housing 16 of the compressor unit 14 comprehensive collar 38, in which case only one sealing element 32 is provided so that with respect to this support wall 24 an annular space formation is not provided, and therefore also no floating storage of the compressor unit 14 by means of oil pressure.
  • a plurality of radial walls 40 which in the present case are in the form of baffles, extend from the outer housing 12.
  • the support walls 24 may also extend from the housing 16 of the compressor unit 14, in which case the sealing elements 32 are arranged between the inner wall of the outer housing 12 and the free end faces of the support walls 24.
  • the support walls 24 may be welded to the housing 16 of the compressor unit 14 and to the outer housing 12, respectively.
  • they can also be integral with the outer housing 12th or the housing 16 of the compressor unit 14, such that they are already milled, for example, during the production of the housing 16 and the outer housing 12 from the "full".
  • the inventively provided support walls 24 allow effective support between the outer housing 12 and compressor unit 16th
  • Fig. 2 shows a sectional view of a section of another turbocompressor 10 according to the invention, wherein the housing 16 of the compressor unit 14 has a stepped portion, comprising two radially offset portions 42.
  • the two sections 42 are connected to each other via a screw 44. Due to the offset of the two sections 42, a stepped transition point is formed, wherein the compressor unit 14 bears axially at this transition point.
  • two sealing elements 32 are provided for sealing, with a bore 36 extends from the outside through the outer housing 12 and further through the support wall 24 up to the stepped transition point.
  • the step-shaped transition point which acts like a piston according to the invention, subjected to oil pressure acts on the right housing portion 42 an axially directed to the right power.
  • the housing 16 can be pressed from its formed in the support wall 24 recording.
  • the disassembly of the turbocompressor 10. substantially be simplified.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Separation By Low-Temperature Treatments (AREA)

Claims (5)

  1. Compresseur dynamique,
    notamment turbocompresseur ( 10 ),
    comprenant un carter ( 12 ) intérieur, un groupe ( 14 ) compresseur qui a un carter ( 16 ) tubulaire ayant une paroi ( 30 ) extérieure et, de préférence, une section transversale circulaire,
    le groupe ( 14 ) compresseur étant reçu dans au moins une ouverture ( 26 ), de préférence circulaire, ménagée dans le carter ( 12 ) extérieur et ayant une paroi ( 28 ) intérieure,
    caractérisé en ce qu'il est prévu, entre la paroi ( 30 ) extérieure du carter ( 16 ) tubulaire et la paroi ( 28 ) intérieure de l'ouverture ( 26 ) dans laquelle est reçu le groupe ( 14 ) compresseur, deux éléments ( 32 ) d'étanchéité à distance l'un de l'autre et dans lequel, en outre, il est prévu une admission ( 36 ) de fluide qui traverse le carter ( 12 ) extérieur et qui s'étend jusqu'entre les éléments ( 32 ) d'étanchéité à distance l'un de l'autre.
  2. Compresseur dynamique suivant la revendication 1,
    caractérisé en ce que
    l'admission ( 36 ) de fluide est formée par un trou ou par plusieurs trous qui s'étendent à travers le carter ( 12 ) extérieur jusqu'entre les éléments d'étanchéité à distance l'un de l'autre.
  3. Compresseur dynamique suivant la revendication 1 ou 2,
    caractérisé en ce que
    les éléments ( 32 ) d'étanchéité sont disposés respectivement dans une rainure formée dans la paroi ( 30 ) extérieure du carter ( 16 ) tubulaire.
  4. Compresseur dynamique suivant la revendication 1 ou 2,
    caractérisé en ce que
    les éléments ( 32 ) d'étanchéité sont disposés respectivement dans une rainure formée dans la paroi ( 28 ) intérieure de l'ouverture ( 26 ) du carter ( 12 ) extérieur.
  5. Compresseur dynamique suivant l'une des revendications 1 à 4,
    caractérisé en ce que
    le carter ( 16 ) tubulaire a une partie en forme de palier,
    comprenant une première sous-partie ( 42 ) ayant une première partie de paroi extérieure et une deuxième sous-partie ( 42 ) ayant une deuxième partie de paroi extérieure,
    dans lequel la première sous-partie ( 42 ) est décalée par rapport à la deuxième sous-partie ( 42 ), et
    dans lequel la au moins une ouverture ( 46 ) formée dans le carter ( 12 ) extérieur est adaptée à la forme en palier et a une première partie de paroi intérieure qui est opposée à la première partie de paroi extérieure,
    et une deuxième partie de paroi intérieure qui est opposée à la deuxième partie de paroi extérieure et,
    dans lequel, en outre, l'un des deux éléments ( 32 ) d'étanchéité est prévu entre la première partie de paroi extérieure et la première partie de paroi intérieure et l'autre élément d'étanchéité entre la deuxième partie de paroi extérieure et la deuxième partie de paroi intérieure.
EP07729332A 2006-05-26 2007-05-21 Turbocompresseur à plusieurs étages Not-in-force EP2024646B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP07729332A EP2024646B1 (fr) 2006-05-26 2007-05-21 Turbocompresseur à plusieurs étages

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP06010926A EP1860326A1 (fr) 2006-05-26 2006-05-26 Turbocompresseur à plusieurs étages
EP07729332A EP2024646B1 (fr) 2006-05-26 2007-05-21 Turbocompresseur à plusieurs étages
PCT/EP2007/054888 WO2007137959A1 (fr) 2006-05-26 2007-05-21 Turbocompresseur à plusieurs étages

Publications (2)

Publication Number Publication Date
EP2024646A1 EP2024646A1 (fr) 2009-02-18
EP2024646B1 true EP2024646B1 (fr) 2009-09-16

Family

ID=37115906

Family Applications (2)

Application Number Title Priority Date Filing Date
EP06010926A Withdrawn EP1860326A1 (fr) 2006-05-26 2006-05-26 Turbocompresseur à plusieurs étages
EP07729332A Not-in-force EP2024646B1 (fr) 2006-05-26 2007-05-21 Turbocompresseur à plusieurs étages

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP06010926A Withdrawn EP1860326A1 (fr) 2006-05-26 2006-05-26 Turbocompresseur à plusieurs étages

Country Status (7)

Country Link
US (1) US8133021B2 (fr)
EP (2) EP1860326A1 (fr)
CN (1) CN101454578B (fr)
AT (1) ATE443212T1 (fr)
DE (1) DE502007001552D1 (fr)
ES (1) ES2331980T3 (fr)
WO (1) WO2007137959A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014207461A1 (de) 2014-04-17 2015-10-22 Siemens Aktiengesellschaft Anordnung von Bauteilen einer Fluidenergiemaschine, Fügeverfahren
DE102014216349A1 (de) 2014-08-18 2016-02-18 Siemens Aktiengesellschaft Saugeinsatz für einen Turboverdichter, Anordnung mit dem Saugeinsatz

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016040461A (ja) * 2014-08-13 2016-03-24 三菱重工業株式会社 遠心回転機械
CN105822681B (zh) * 2016-05-27 2018-06-29 无锡沃尔德轴承有限公司 一种轴承压盖安装模具
EP3441621A1 (fr) 2017-08-10 2019-02-13 Siemens Aktiengesellschaft Turbocompresseur avec injection de gaz de compression liquéfié dans l'écoulement
JP6963471B2 (ja) * 2017-11-09 2021-11-10 三菱重工コンプレッサ株式会社 回転機械
DE102017223791A1 (de) 2017-12-27 2019-06-27 Siemens Aktiengesellschaft Wellendichtungsanordnung einer Turbomaschine, Turbomaschine
DE102018200287A1 (de) 2018-01-10 2019-07-11 Siemens Aktiengesellschaft Turbomaschineninnengehäuse

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3802795A (en) * 1972-04-19 1974-04-09 Worthington Cei Multi-stage centrifugal compressor
US3874814A (en) * 1974-04-05 1975-04-01 Carrier Corp Closure key apparatus
US3976395A (en) * 1975-09-12 1976-08-24 Igor Martynovich Kalnin Multiple-stage centrifugal compressor
FR2324909A1 (fr) * 1975-09-22 1977-04-15 Kalnin Igor Compresseur centrifuge a plusieurs etages
EP0549579A1 (fr) * 1991-01-23 1993-07-07 Andreas Treugut Pompe rotative
EP1063430B1 (fr) * 1998-03-13 2007-05-16 Hitachi Plant Technologies, Ltd. Compresseur centrifuge et joint d'etancheite
CN2581736Y (zh) * 2002-09-24 2003-10-22 浙江科尔泵业股份有限公司 超高压双壳体刚性轴低比转速多级离心泵
GB0329839D0 (en) * 2003-12-23 2004-01-28 Boc Group Plc Vacuum pump

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014207461A1 (de) 2014-04-17 2015-10-22 Siemens Aktiengesellschaft Anordnung von Bauteilen einer Fluidenergiemaschine, Fügeverfahren
WO2015158905A1 (fr) 2014-04-17 2015-10-22 Siemens Aktiengesellschaft Agencement d'éléments d'une machine à énergie fluidique et procédé de montage
DE102014216349A1 (de) 2014-08-18 2016-02-18 Siemens Aktiengesellschaft Saugeinsatz für einen Turboverdichter, Anordnung mit dem Saugeinsatz

Also Published As

Publication number Publication date
WO2007137959A1 (fr) 2007-12-06
ES2331980T3 (es) 2010-01-21
CN101454578A (zh) 2009-06-10
EP2024646A1 (fr) 2009-02-18
CN101454578B (zh) 2012-03-14
EP1860326A1 (fr) 2007-11-28
ATE443212T1 (de) 2009-10-15
DE502007001552D1 (de) 2009-10-29
US8133021B2 (en) 2012-03-13
US20090175717A1 (en) 2009-07-09

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