EP3985230A1 - Turbine radiale dotée d'un dispositif de nettoyage pour nettoyer un anneau d'aubes fixes et procédé de montage et démontage du dispositif de nettoyage - Google Patents

Turbine radiale dotée d'un dispositif de nettoyage pour nettoyer un anneau d'aubes fixes et procédé de montage et démontage du dispositif de nettoyage Download PDF

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Publication number
EP3985230A1
EP3985230A1 EP20201552.5A EP20201552A EP3985230A1 EP 3985230 A1 EP3985230 A1 EP 3985230A1 EP 20201552 A EP20201552 A EP 20201552A EP 3985230 A1 EP3985230 A1 EP 3985230A1
Authority
EP
European Patent Office
Prior art keywords
cleaning device
nozzle ring
turbine
annular
radial
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Withdrawn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
EP20201552.5A
Other languages
German (de)
English (en)
Inventor
Stefan GANTERT
Thomas Rechin
Tobias Vogt
Matthias Richner
Magnus Fischer
Markus Loos
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.)
ABB Schweiz AG
Original Assignee
ABB Schweiz 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 ABB Schweiz AG filed Critical ABB Schweiz AG
Priority to EP20201552.5A priority Critical patent/EP3985230A1/fr
Priority to CN202180069444.9A priority patent/CN116348660A/zh
Priority to US18/031,532 priority patent/US20230383674A1/en
Priority to PCT/EP2021/076216 priority patent/WO2022078727A1/fr
Priority to EP21782964.7A priority patent/EP4229278A1/fr
Priority to KR1020237015639A priority patent/KR20230084272A/ko
Priority to JP2023521502A priority patent/JP2023544831A/ja
Publication of EP3985230A1 publication Critical patent/EP3985230A1/fr
Withdrawn legal-status Critical Current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
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/002—Cleaning of turbomachines
    • 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
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/02—Blade-carrying members, e.g. rotors
    • F01D5/04—Blade-carrying members, e.g. rotors for radial-flow machines or engines
    • F01D5/043—Blade-carrying members, e.g. rotors for radial-flow machines or engines of the axial inlet- radial outlet, or vice versa, type
    • 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
    • F01D9/045—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector for radial flow machines or engines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2220/00—Application
    • F05D2220/40—Application in turbochargers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2230/00—Manufacture
    • F05D2230/72—Maintenance
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2240/00—Components
    • F05D2240/10—Stators
    • F05D2240/12—Fluid guiding means, e.g. vanes
    • F05D2240/128—Nozzles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00—Function
    • F05D2260/60—Fluid transfer
    • F05D2260/607—Preventing clogging or obstruction of flow paths by dirt, dust, or foreign particles

Definitions

  • the invention relates to the field of exhaust gas turbines, in particular radial turbines, for example for an exhaust gas turbocharger.
  • the invention relates to a radial turbine with a cleaning device for cleaning a nozzle ring.
  • the invention relates to a method for assembling a cleaning device for cleaning a nozzle ring of a radial turbine and a method for dismantling the cleaning device.
  • exhaust gas turbochargers are used as standard these days, with a turbine in the exhaust gas tract of the internal combustion engine and with a compressor upstream of the internal combustion engine.
  • the exhaust gases from the internal combustion engine are expanded in the turbine.
  • the work thus obtained is transferred to the compressor by means of a shaft, which compresses the air supplied to the internal combustion engine.
  • the kinetic energy of the exhaust gas is used to drive the rotor of the turbocharger.
  • the jet of exhaust gas must be directed onto the turbine shaft.
  • a nozzle ring is installed in radial turbine stages at the outlet of the flow channel in front of the turbine shaft.
  • Cleaning devices are used to maintain the turbine-side performance and to protect against excessive contamination with associated operating problems on the turbocharger. This is partly done with water but also with dry cleaning agents.
  • the nozzle ring in particular is significantly affected by contamination, which can lead to significant operational restrictions.
  • the cleaning device When servicing the turbocharger and in particular when cleaning the nozzle ring mechanically, the cleaning device must also be checked for blockages and the function of the nozzles. This must be removed from the turbocharger.
  • the object of the present invention is to provide a radial turbine with a cleaning device which is improved with regard to at least one of the disadvantages known from the prior art.
  • the object of the present invention is to provide a cleaning device for a nozzle ring of a radial turbine, which can be assembled and disassembled in a simpler manner than in the prior art.
  • Another object of the present invention is to provide an improved assembly and disassembly method for a cleaning device for cleaning a nozzle ring of a radial turbine, so that the maintenance effort compared to the prior art technology can be reduced.
  • a centrifugal turbine includes a turbine casing with a radial gas inflow duct. Furthermore, the radial turbine includes a nozzle ring, which is arranged in the radial gas inflow channel. Furthermore, the radial turbine includes an annular cleaning device for cleaning the nozzle ring.
  • the ring-shaped cleaning device is connected to a cleaning agent feed via an axially pluggable supply line in such a way that after or with disassembly of the nozzle ring, the ring-shaped cleaning device can be removed from the turbine housing in the axial direction.
  • a radial turbine with a cleaning device for cleaning a nozzle ring is thus advantageously provided, which is improved over the prior art.
  • the cleaning device is advantageously designed in such a way that it can be assembled and disassembled in a simple manner, so that the maintenance effort is reduced compared to the prior art.
  • a second aspect of the invention relates to an exhaust gas turbocharger with a radial turbine according to the embodiments described herein.
  • a third aspect of the invention relates to a method for assembling a cleaning device for cleaning a nozzle ring of a radial turbine.
  • the method includes an axial insertion of the annular cleaning device into a corresponding receptacle of a turbine housing of the radial turbine. Furthermore, the method includes an axial connection of the ring-shaped cleaning device to a cleaning agent supply via an axially pluggable supply line.
  • the method also includes fixing the annular cleaning device by fixing the nozzle ring, in particular so that the annular cleaning device is fixed relative to the turbine housing exclusively by fixing the nozzle ring.
  • a fourth aspect of the invention relates to a method for dismantling a cleaning device for cleaning a nozzle ring of a radial turbine.
  • the method includes releasing a fixation of the nozzle ring.
  • the method also includes releasing an axial plug-in connection in a feed line from a cleaning agent feed to the ring-shaped cleaning device.
  • the method includes an axial removal of the annular cleaning device. In particular, only the fixation of the nozzle ring and the axial plug-in connection in the supply line have to be loosened for the axial removal of the ring-shaped cleaning device.
  • FIG 1 shows a schematic sectional view along the central axis 101 of the radial turbine 20 with the cleaning device 10 in an installed state.
  • figure 2 shows a schematic view of the radial turbine 20 with a dismantled nozzle ring 23 and a dismantled cleaning device 10.
  • the radial turbine 20 comprises a turbine housing 21 with a radial gas inflow duct 22 . Furthermore, the radial turbine 20 comprises an annular cleaning device 10 for cleaning the nozzle ring 23.
  • the annular cleaning device 10 is provided with a cleaning agent feed 13 via an axially pluggable feed line 12 connected that after or with disassembly of the nozzle ring 23, the annular cleaning device 10 in the axial direction of the turbine housing 21 is removable.
  • the ring-shaped cleaning device 10 is mounted in the turbine housing 21 in such a way that the ring-shaped cleaning device 10 can be dismantled without loosening external connecting or mounting elements.
  • “External connecting or assembly elements” are to be understood as meaning those connecting or assembly elements which are located at least partially outside the turbine housing in the assembled state.
  • a radial turbine can thus advantageously be provided with a cleaning device for cleaning a nozzle ring, which is advantageously designed in such a way that it can be assembled and disassembled in a simple manner, so that the maintenance effort is reduced compared to the prior art.
  • the annular cleaning device 10 comprises a plurality of cleaning agent openings 111 arranged over the circumference, as exemplified in FIG figure 2 is shown.
  • the annular cleaning device 10 is fixed in the axial direction exclusively by fixing the nozzle ring 23 in the turbine housing 21 .
  • the fixing of the nozzle ring 23 fixes the axial position of the cleaning device 10 with respect to the turbine housing 21, with no additional fixing being provided for fixing the axial position of the cleaning device 10.
  • the nozzle ring 23 can be a nozzle ring that is open on one side.
  • the one-sided open Nozzle ring has guide vanes 24, which extend in the axial direction from an annular disk 25 on the bearing housing side, as is exemplified in Figure 3a is shown.
  • the vanes 24 may contact the annular cleaning device 10 .
  • the ring-shaped cleaning device 10 can have receptacles (not explicitly shown in the figures) for the guide vanes 24 .
  • annular cleaning device 10 can be fixed in the turbine housing 21 by means of internal fixing elements.
  • Internal fixing elements are to be understood as meaning those fixing elements which, in the assembled state, are arranged completely inside the turbine housing.
  • the nozzle ring 23 is a closed nozzle ring with guide vanes 24 which are made integral with the annular cleaning device 10 .
  • the ring-shaped cleaning device 10 can be formed separately from the feed line 12 .
  • the annular cleaning device 10 can be formed integrally with the supply line, as exemplified in FIGS Figures 3c and 3d is shown.
  • the nozzle ring 23 is a closed nozzle ring with guide vanes 24, which are arranged between a bearing housing-side annular disk 25 and a turbine housing-side annular disk 26, as is the case, for example, in FIGS Figures 3c-3f is shown.
  • the ring-shaped cleaning device 10 can be connected to the ring disk 26 on the turbine housing side.
  • the ring-shaped cleaning device 10 can be connected to the ring disk 26 on the turbine housing side by means of a screw connection 113, as is exemplified in Fig. 3f is shown.
  • the ring-shaped cleaning device 10 can be connected to the ring disk 26 on the turbine housing side by means of a welded joint 112, as is exemplified in FIG Figure 3e is shown.
  • the axially pluggable supply line 12 is formed by means of a plug-in tube 121 and a plug-in sleeve 122, as exemplified in FIGS figures 1 and 4 is shown.
  • the plug-in tube 121 and the plug-in sleeve 122 are typically sealed against one another by means of one or more sealing elements 123, in particular by means of one or more sealing rings.
  • the male tube 121 is connected to the annular cleaning device 10 .
  • the plug-in tube 121 can be designed integrally with the annular cleaning device, as exemplified in FIGS Figures 3c and 3d is shown.
  • the plug-in supply line 12 can be provided by a plug-in tube 121 and a corresponding receptacle 27 provided in the turbine housing 21 .
  • the plug-in pipe 121 is typically sealed off from the corresponding receptacle 27 provided in the turbine housing 21 by means of one or more sealing elements 123, in particular by means of one or more sealing rings.
  • the axially pluggable supply line 12 comprises at least one compensation element 14 for compensating for thermal expansion, as is exemplified in figure 4 is shown.
  • this can be the at least one compensation element 14 be brat.
  • the at least one compensation element 14 can be part of the plug-in tube and/or the plug-in sleeve.
  • the at least one compensation element 14 can include a first compensation element 141, which is described, for example, in 4 shown as part of the male tube 121.
  • the at least one compensation element 14 can include a second compensation element 142, which is shown, for example, in 4 shown as part of receptacle 122. Both the first compensation element 141 and the second compensation element 142 can be designed as bellows.
  • the radial turbine according to the embodiments described herein is used for an exhaust gas turbocharger, so that an exhaust gas turbocharger with a radial turbine according to the embodiments described herein is provided.
  • a further aspect of the invention relates to a method 30 for assembling a cleaning device 10 for cleaning a nozzle ring 23 of a radial turbine 20.
  • the method 30 for assembling the cleaning device is illustrated schematically by in figure 6 illustrated block diagram.
  • the method 30 comprises an axial insertion (schematically represented by block 31 in 6 shown) of the annular cleaning device 10 in a corresponding receptacle of a turbine housing 21 of the radial turbine 20.
  • Method 30 also includes an axial connection (schematically indicated by block 32 in 6 shown) of the ring-shaped cleaning device 10 with a cleaning agent supply 13 via an axially pluggable supply line 12.
  • the method 30 also includes fixing (schematically by block 33 in 6 shown) of the annular cleaning device 10 by means of a fixation of the nozzle ring, in particular so that the annular cleaning device 10 is fixed exclusively via the fixation of the nozzle ring relative to the turbine housing.
  • FIG figure 7 Another aspect of the invention relates to a method 40 for dismantling a cleaning device 10 for cleaning a nozzle ring 23 of a radial turbine 20.
  • the method 40 for dismantling the cleaning device is shown schematically in FIG figure 7 illustrated block diagram.
  • the method 40 includes solving (schematically represented by block 41 in figure 7 shown) a fixation of the nozzle ring.
  • the method also includes releasing (schematically indicated by block 42 in figure 7 shown) an axial plug connection in a supply line 12 from a cleaning agent supply 13 to the annular cleaning device.
  • the method also includes an axial removal (schematically represented by block 43 in figure 7 shown) of the annular cleaning device.
  • only the fixation of the nozzle ring and the axial plug-in connection in the supply line 12 are to be released for the axial removal 42 of the annular cleaning device.
  • both the method 30 for assembly and the method 40 for disassembly of a cleaning device typically involve the cleaning device 10 for cleaning a nozzle ring 23 of a radial turbine 20 according to one of the embodiments described herein.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Supercharger (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
EP20201552.5A 2020-10-13 2020-10-13 Turbine radiale dotée d'un dispositif de nettoyage pour nettoyer un anneau d'aubes fixes et procédé de montage et démontage du dispositif de nettoyage Withdrawn EP3985230A1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
EP20201552.5A EP3985230A1 (fr) 2020-10-13 2020-10-13 Turbine radiale dotée d'un dispositif de nettoyage pour nettoyer un anneau d'aubes fixes et procédé de montage et démontage du dispositif de nettoyage
CN202180069444.9A CN116348660A (zh) 2020-10-13 2021-09-23 具有用于清洁导叶环的清洁装置的径向涡轮机以及安装和拆卸清洁装置的方法
US18/031,532 US20230383674A1 (en) 2020-10-13 2021-09-23 Radial turbine having a cleaning device for cleaning a guide vane ring and methods for mounting and demounting the cleaning device
PCT/EP2021/076216 WO2022078727A1 (fr) 2020-10-13 2021-09-23 Turbine radiale pourvue d'un dispositif de nettoyage destiné à nettoyer une bague d'aubage directeur et procédés de montage et de démontage du dispositif de nettoyage
EP21782964.7A EP4229278A1 (fr) 2020-10-13 2021-09-23 Turbine radiale pourvue d'un dispositif de nettoyage destiné à nettoyer une bague d'aubage directeur et procédés de montage et de démontage du dispositif de nettoyage
KR1020237015639A KR20230084272A (ko) 2020-10-13 2021-09-23 안내 베인 링을 세정하기 위한 세정 장치를 갖는 반경방향 터빈 및 세정 장치를 장착 및 탈착하는 방법
JP2023521502A JP2023544831A (ja) 2020-10-13 2021-09-23 ガイドベーンリングを洗浄する洗浄装置を有するラジアルタービン及び洗浄装置の取り付け及び取り外しのための方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20201552.5A EP3985230A1 (fr) 2020-10-13 2020-10-13 Turbine radiale dotée d'un dispositif de nettoyage pour nettoyer un anneau d'aubes fixes et procédé de montage et démontage du dispositif de nettoyage

Publications (1)

Publication Number Publication Date
EP3985230A1 true EP3985230A1 (fr) 2022-04-20

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ID=72852471

Family Applications (2)

Application Number Title Priority Date Filing Date
EP20201552.5A Withdrawn EP3985230A1 (fr) 2020-10-13 2020-10-13 Turbine radiale dotée d'un dispositif de nettoyage pour nettoyer un anneau d'aubes fixes et procédé de montage et démontage du dispositif de nettoyage
EP21782964.7A Withdrawn EP4229278A1 (fr) 2020-10-13 2021-09-23 Turbine radiale pourvue d'un dispositif de nettoyage destiné à nettoyer une bague d'aubage directeur et procédés de montage et de démontage du dispositif de nettoyage

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP21782964.7A Withdrawn EP4229278A1 (fr) 2020-10-13 2021-09-23 Turbine radiale pourvue d'un dispositif de nettoyage destiné à nettoyer une bague d'aubage directeur et procédés de montage et de démontage du dispositif de nettoyage

Country Status (6)

Country Link
US (1) US20230383674A1 (fr)
EP (2) EP3985230A1 (fr)
JP (1) JP2023544831A (fr)
KR (1) KR20230084272A (fr)
CN (1) CN116348660A (fr)
WO (1) WO2022078727A1 (fr)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2008503A1 (de) * 1969-07-28 1971-02-11 VEB Bergmann Borsig/Gorlitzer Ma schinenbau, Werk Berlin, Berlin Einrichtung zum Waschen der Schaufeln von Gasturbinen
JPS511608U (fr) * 1974-06-21 1976-01-08
US4082477A (en) * 1974-11-06 1978-04-04 United Turbine Ab & Co. Compressor having two or more stages
EP1388656A2 (fr) * 2002-08-09 2004-02-11 Mitsubishi Heavy Industries, Ltd. Système pour éliminer des objets étrangers pour une turbine à gaz
US20060245913A1 (en) * 2003-09-25 2006-11-02 Abb Research Ltd. Compressor cleaning system
EP2071151A1 (fr) * 2007-12-12 2009-06-17 Siemens Aktiengesellschaft Procédé pour nettoyer les aubes d'une turbine en fonctionnement, et turbine et turbocompresseur associés
EP2113638A1 (fr) * 2008-04-30 2009-11-04 ABB Turbo Systems AG Dispositif d'injection
AT507450A2 (de) * 2008-10-23 2010-05-15 Man Diesel Se Verfahren zur entfernung von verunreinigungen aus dem diffuser eines turboladers und vorrichtung zu dessen durchführung
WO2012095434A1 (fr) * 2011-01-14 2012-07-19 Abb Turbo Systems Ag Nettoyage de turbine
EP2722506A1 (fr) * 2012-10-22 2014-04-23 Otics Corporation Turbocompresseur

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2008503A1 (de) * 1969-07-28 1971-02-11 VEB Bergmann Borsig/Gorlitzer Ma schinenbau, Werk Berlin, Berlin Einrichtung zum Waschen der Schaufeln von Gasturbinen
JPS511608U (fr) * 1974-06-21 1976-01-08
US4082477A (en) * 1974-11-06 1978-04-04 United Turbine Ab & Co. Compressor having two or more stages
EP1388656A2 (fr) * 2002-08-09 2004-02-11 Mitsubishi Heavy Industries, Ltd. Système pour éliminer des objets étrangers pour une turbine à gaz
US20060245913A1 (en) * 2003-09-25 2006-11-02 Abb Research Ltd. Compressor cleaning system
EP2071151A1 (fr) * 2007-12-12 2009-06-17 Siemens Aktiengesellschaft Procédé pour nettoyer les aubes d'une turbine en fonctionnement, et turbine et turbocompresseur associés
EP2113638A1 (fr) * 2008-04-30 2009-11-04 ABB Turbo Systems AG Dispositif d'injection
AT507450A2 (de) * 2008-10-23 2010-05-15 Man Diesel Se Verfahren zur entfernung von verunreinigungen aus dem diffuser eines turboladers und vorrichtung zu dessen durchführung
WO2012095434A1 (fr) * 2011-01-14 2012-07-19 Abb Turbo Systems Ag Nettoyage de turbine
EP2722506A1 (fr) * 2012-10-22 2014-04-23 Otics Corporation Turbocompresseur

Also Published As

Publication number Publication date
US20230383674A1 (en) 2023-11-30
KR20230084272A (ko) 2023-06-12
CN116348660A (zh) 2023-06-27
EP4229278A1 (fr) 2023-08-23
JP2023544831A (ja) 2023-10-25
WO2022078727A1 (fr) 2022-04-21

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