WO2016042002A1 - Montage d'une turbomachine radiale par insertion axiale d'un faisceau dans une boîtier en forme de pot, le faisceau comportant un couvercle qui est maintenu de façon déplaçable axialement sur le faisceau - Google Patents

Montage d'une turbomachine radiale par insertion axiale d'un faisceau dans une boîtier en forme de pot, le faisceau comportant un couvercle qui est maintenu de façon déplaçable axialement sur le faisceau Download PDF

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Publication number
WO2016042002A1
WO2016042002A1 PCT/EP2015/071149 EP2015071149W WO2016042002A1 WO 2016042002 A1 WO2016042002 A1 WO 2016042002A1 EP 2015071149 W EP2015071149 W EP 2015071149W WO 2016042002 A1 WO2016042002 A1 WO 2016042002A1
Authority
WO
WIPO (PCT)
Prior art keywords
housing
cas
cover
bundle
radial
Prior art date
Application number
PCT/EP2015/071149
Other languages
German (de)
English (en)
Inventor
Christian Hoppe
Marcus Meyer
Dieter Nass
Original Assignee
Siemens Aktiengesellschaft
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 Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Publication of WO2016042002A1 publication Critical patent/WO2016042002A1/fr

Links

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
    • F04D29/60—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
    • 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
    • F04D29/08—Sealings
    • F04D29/083—Sealings especially adapted for elastic fluid pumps

Definitions

  • the invention relates to radial turbo fluid energy machine umfas ⁇ send a housing and an inner bundle, wherein the inner beam comprises a rotor extending along an axis, said housing having axial end face on a first axial side Sl a first opening wherein the first opening by means of a first Cover of the housing is closed
  • the preferred field of application of the invention is radial turbocompressors among radial turbofan energy machines.
  • the application of the invention also makes sense for Radialturboexpander, with the subsequent loan ⁇ tion usually focused on radial turbocompressors.
  • Radial turbo compressors are typically used to convey a process fluid to a higher pressure or a hö ⁇ here density.
  • the process fluid is in this case usually ⁇ moderately compressible arranged so that a Volumenkon Cosmetici on ⁇ takes place in the compression process.
  • a externa ⁇ ßeres housing of the radial centrifugal compressor is formed in pot design from ⁇ , so that there is no located for rotation ⁇ axis parallel extending parting line. Accordingly, the housing is then formed shell-shaped in the circumferential direction undivided and is at least on one side, preferably on at- closed the axial end faces by means of a lid.
  • the front-side closure by means of a lid can also be described as a vertical parting line of the housing in the case of an installation of the machine provided with a horizontal axis of rotation.
  • WO 2012041757 AI known.
  • the housing covers in the occlusive
  • a disadvantage of this known device is that the parting line of the housing on the one hand is necessary for mounting and on the other hand limits the pressure range of the use of Ma ⁇ machine or the parting line for high Be ⁇ operating pressures must be made particularly solid, so that a high space requirement and very high costs arise.
  • the horizontal parting line for the assembly of this machine is very important, since an axial insertion of the In ⁇ nenbündels in a pot construction of the housing leads to leaks ⁇ keiten, when the end-side cover with the réellebün ⁇ del together as a unit is inserted axially and a first circumferentially extending seal of the lid must be sealingly against the housing shell and a second, extending in the circumferential direction seal between the inner bundle and the inner circumference of the housing to seal the inflow to the outflow from the compressor must also abut axially, so that it comes to a technically hardly feasible positional tolerance between these two sealing surfaces on the housing and on the inner bundle.
  • the object of the invention is therefore to provide a radial turbofan energy machine of the type mentioned in the introduction and a method for assembling such a machine, in which the abovementioned problems are at least partially overcome.
  • the invention proposes a radial turbofluid energy engine according to claim 1 and a Montagever ⁇ drive according to the independent method claim.
  • the respective dependent claims contain advantageous developments of the invention.
  • the housing according to the invention can be divided or undivided in the circumferential direction, wherein the advantages of the invention are particularly significant in a so-called
  • Pot construction ie a undivided in the circumferential direction training of a housing shell, which is part of the housing and has at least one axial end face a closed by means of a lid first opening.
  • a housing shell which is part of the housing and has at least one axial end face a closed by means of a lid first opening.
  • Particularly preferred is the design of the housing with a
  • Housing jacket which has on both axial end faces a closable by means of a lid opening, so that the two axial end faces and the optionally on these- sen rotor ends provided storage and sealing components and other modules are accessible upon removal of the lid.
  • Another function of the lid can also be to attach the rotor position influences modules and to achieve in this way a short tolerance chain Zvi ⁇ rule the rotating and stationary components of the machine.
  • external bearing blocks which are mounted on a common platform with the support of the housing, it is advantageous in this sense, if the bearings or La ⁇ gerböcke directly to the lid, which closes the axial end faces each, are attached.
  • ge ⁇ Together with introducing the lid on at least one axial end as an integral part of the inner bundle of the rotor and all the flow guiding components of the internal beam from one side axially into the housin ⁇ se, so that a first seal between the In nenbündel and the inner surface of the housing or
  • Housing jacket sealingly comes to rest and as a result of the axial mobility of the lid relative to the rest of the In ⁇ nenbündels the cover can be offset axially upon reaching a first end position of the inner beam relative to the housing in a second end position, so that it is a sealing system comes on a second seal between the lid and the housing.
  • Front side are closed by means of a second lid.
  • the second opening of the housing is matched to the outer diameter of the inner beam, so that an axial insertion of the inner beam into the housing until reaching the first end position is possible including the first cover, preferably with only an axial mobility degree of freedom is attached to the inner bundle.
  • the first cover as part of the inner bundle to a compressor bundle of the inner bundle, it is particularly preferred provide a cantilever beam at the compressor, extending axially from the compressor beam in the direction of the f th ⁇ lid and this to an axial movable lusters constitutesgrad radially fixed.
  • the inner bundle comprising the compressor bundle and the first cover to a transportable unit and can example ⁇ be attached by means of appropriate stop means to a crane or len along a rail, preferably on Rol ⁇ len, rolled axially into the housing.
  • the cantilever is preferably mounted to the compressor bundle such that the lid is attached to the cantilever supported against the weight force in the preferred transport and mounting orientation.
  • Particularly preferred for avoiding collision damage to the rotor or the stationary components is the equipment of this transportable unit or of the inner bundle with a spacer which can be inserted into a gap between the first cover and the Rotoroberflä- surface.
  • This spacer ensures that the gap is maintained radially between the first cover and the rotor and there is no place at any point to any damaging Spielüberbrückung.
  • this spacer is annular. It may be segmented advantage in the circumferential direction, so that in parts inserted into the gap ⁇ the can and can be removed. It is particularly preferred in this case that the spacer is accessible from the outside, so that it can be inserted from the outside into the gap and can be removed from the gap.
  • the term outside here - as in the other contexts of this invention, unless otherwise stated - refers to the exterior or complementary to the interior of the housing of the radial turbo fluid energy machine.
  • the spacer can be removed from the gap between the first cover and the rotor, in particular in the radial direction from the outside, if the rotor position is secured accordingly.
  • the spacer is designed such that it limits the axial mobility of the rotor relative to the rest of the inner beam - at least in an axial displacement direction. This is done for example by egg ne at least axial securing of the spacer on the ers ⁇ th lid and an axial abutment of the spacer to ei ⁇ nem shaft shoulder of the rotor.
  • a preferred application of the invention provides that the radial turbofluid energy machine has an inlet guide, which is part of the inner bundle.
  • This ⁇ A baumsleitapparat is equipped with adjustable guide vanes and of the flow guide ⁇ a process fluid is used as it flows from an inlet chamber in the
  • the inlet guide apparatus in this case connects the compressor bundle to the first cover, wherein the inlet guide apparatus has a flow channel which extends in the circumferential direction in an annular manner and guides the flow from a substantially radial direction into a substantially axial direction into the first impeller.
  • the flow channel is in this case formed at least partially by a compressor bundle-side first flow contour and a cover-side second flow contour.
  • the guiding Blades of the inlet guide are located between these two flow contours the gap at least at a portion of the flow contours in the circumferential direction segmented.
  • the blades preferably extend with a blade rotation axis parallel to the axial direction.
  • Be ⁇ Sonders preferably define the flow contours in the area of the blades has a substantially radial and annular in the circumferential direction of the flow channel.
  • a preferred embodiment is that the first flow contour of the inlet guide vane, the second flow profile and the cover are of In ⁇ nenbündels formed slidably in the axial direction relative to the compressor as part of bundle.
  • the first cover of the inner beam Before the first cover of the inner beam has reached a second end position and when the compressor bundle is integrally ⁇ come already in the first end position, preferably there is an offset in the flow ⁇ channel, which feeds the process fluid of the first blade in the axial direction between an entry into the first runner and the flow channel defined by the first flow contour and the second flow contour.
  • FIG. 1 shows a schematic representation of a longitudinal section through a radial turbofan energy machine according to the invention
  • FIG. 2 shows a detail from FIG. 1 with II in FIG. 1.
  • FIG. 1 shows a schematic longitudinal section through a radial turbo fluid energy machine RTF according to the invention, wherein the present case the radial turbo fluid energy machine RTF is designed as a Radi ⁇ alturboverêtr.
  • the radial turbo fluid energy machine RTF comprises a housing CAS, which has a housing casing having substantially CCV Cylind ⁇ -driven shaping with a cylinder axis in the direction of an axis of rotation X.
  • the housing jacket CCV of the housing CAS is provided on a first axial end side Sl with an axi ⁇ al frontal first opening CAOl, which is closed with a first cover CV1 of the housing CAS.
  • an axially frontal opening of the housing shell CCV is closed with a second cover CV2 of the housing CAS.
  • the two covers CV1, CV2 each have a through opening TH1, TH2, through which the shaft of a rotor R extends along the axis of rotation X.
  • the shaft of the rotor R is mounted with bearings attached to the covers CV1, CV2 and the interior of the housing CAS is sealed in a manner not shown by means provided on the two end faces in the region of the through holes TH1, TH2 shaft seals.
  • the housing jacket is undivided CCV out ⁇ forms in circumferential direction so that no extending parallel to the axis of rotation X parting line results.
  • the accessibility of the interior of the housing CAS results from the axially frontal openings CAO1, CA02 of the housing shell CCV.
  • the first Publ ⁇ voltage caol does not extend over the entire diameter of the housing jacket CCV and is smaller than the second opening CA02 formed large enough that an inner bundle IB axially inserted into the housing CAS through this opening who can ⁇ .
  • the inner beam IB comprises a compressor bundle CB and an inner bundle housing IBC, said compressor bundle CB includes strö ⁇ mung leading rotating and stationary components and the inner bundle housing IBC also share the summary of the construction of the used to the inner beam IB related components to a portable unit.
  • first cover CV1 While the first cover CV1 is guided from axially inward into its end position, it is brought into its end position second cover CV2 from axially outside into its end position on the housing CAS.
  • the first lid CV1 has a first abutment surface SSI on which housing has a second abutment surface SS2 and the two abutment surfaces SSI and SS2 are formed such that the first cover is CV1 such positio ⁇ defined in an end position, that the first abutment surface SSI the second bearing ⁇ surface SS2 sealingly abut each other from the inside, so that at an increased internal pressure, the contact pressure of these two contact surfaces SSI, SS2 reinforced by the product of the lid surface with the internal pressure against an unpressurized contact pressure. For this reason, it is only necessary to fasten the first lid CV1 to the rest of the housing CAS against a load under a vacuum inside the radial turbofan energy machine on the housing jacket CCV.
  • the housing jacket CCV is composed in an advantageous development of the invention according to FIG. 1 of a first section SCI extending exclusively in the cylindrical circumferential direction and a second section SC2, wel ⁇ che sections preferably cohesively, preferably by means of a weld WD are connected extending in the circumferential direction wherein the second section SC2 annularly surrounds the first opening caol against the inner diameter of the housing jacket CCV demagnifying and includes the second huiflä ⁇ che SS2 for the first bearing surface of the first lid SSI CV1 or forms.
  • the inner beam IB comprising a compressor bundle CB, indoor bunch housing IBC and the first lid CV1, preferably comprises additional components, in particular an inlet guide vane ⁇ IGV.
  • Theticiansleitapparat is attached to the first cover CV1, wherein guide vanes VGV upstream of the flow of a process fluid PF before a first wheel ⁇ IMP1 aligns.
  • the inlet guide vane includes IGV ei ⁇ ne first flow contour FC1 and a second flow profile of FC2, the STE hen by means of the guide vanes in VGV compound.
  • the guide vanes VGV are adjustable via an adjusting device which extends through the first cover CV1.
  • a bearing housing HBS is attached to the first lid adjacent the CV1 prohibitsleit ⁇ apparatus IGV.
  • the inner beam IB comprises at flow-conducting components on the rotor side a first impeller IMP1, a second drive wheel ⁇ IMP2, IMP3 a third wheel, a fourth wheel imp4, a fifth and a sixth wheel IMP5 impeller IMP6.
  • the illustrated radial turbofan energy machine RFT is
  • a double inlet wherein a first inflow IL1 the process fluid PF via the inlet guide IGV the first impeller IMP1 passes. Behind the third wheel IMP3 ⁇ it reaches the process fluid PF the first collection spiral CL1. Via a line, not shown, the process fluid PF reaches the second inflow IL2. From there to the Pro ⁇ zessfluid PF passes through the downstream impellers imp4, IMP5, IMP6 and reaches the final pressure in the second collection spiral CL2.
  • the flow-conducting rotating stationary components of the inner bundle are for the most part provided in the circumferential direction with a parting line, which preferably extends parallel to the axis of rotation X.
  • the inner bundle housing IBC serves, in particular, to combine the inner bundle IB into a transportable unit, wherein on the side of the first end face S1 there is a cantilever AKA to which the first cover CV1 is radially fixed.
  • This cantilever AKA extends approximately 120 ° C above the circumference metric to a 12:00 o'clock position.
  • the first lid CV1 is connected to the inlet guide IGV at the
  • the first lid CV1 is radially supported on the inside of the case in an enveloping area around the 6:00 o'clock position by means of a post SUP.
  • the Po ⁇ sition of the first lid CV1 during the movement of the inner beam IB is set as a transportable unit, for example by means of a crane, even in a fold in the casing CAS in rapid dialer direction.
  • the inner beam IB is axially inserted into the housing in a Monta ⁇ step, wherein the inner beam housing IBC of the inner beam IB has a radially outwardly projecting circumferentially extending second Anla ⁇ trained CS2 and the housing has a radially in NEN projecting circumferentially extending first abutment shoulder CS2 has on the inner surface, which two abutment shoulders CS1, CS2 come when a displacement of the inner beam IB in a first axial end position EP1 to a sealing abutment.
  • a circumferentially extending groove may be provided, in which this seal is arranged.
  • the first lid CV1 together with the inlet guide vane IGV and thereto accommodated on ⁇ flow contours FC1 is pulled FC2 from the outside in a two-te end position EP2, so that the two tineflä ⁇ chen SSI, SS2 of the first lid or of the Gezzau ⁇ ses CAS also come to a sealing system.
  • Closing ⁇ Lich the first cover is fixed CV1 in this second end position by means of fastening tabs EP2 FFL.
  • the rotor R is overall geninate the first lid by means of a CV1 first spacer DS1 radially and axially gesi chert ⁇ and in a first direction.
  • the first spacer DS1 is from the outside in an annular gap GP between the rotor surface and the first cover CV1 insertable and removable.
  • the first spacer DS1 extends so in the circumferential direction along the gap GP1 in that the axial position of at least one axial direction of movement and the radial position of the rotor are ge ⁇ assured.
  • On the second end face S2 is a comparable second spacer DS2 with comparable function, so that a complete assurance of the axia ⁇ len position of the rotor R with respect to the inner beam IB is granted ⁇ guaranteed.
  • the rotor R After assembly of the inner bundle IB and fastening of the first cover CV1 and the second cover CV2 to the housing jacket CCV, the rotor R is supported in a manner not shown, preferably by means of bearings, in particular radially under ⁇ , so that the spacers DS1, DS2 from the columns GP1, GP2 can be removed from the outside without the rotor R in the stationary components of the radial turbofluid energy machine RTF comes to rest.

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

Abstract

L'invention concerne une turbomachine à énergie de fluide radiale (RTF) et un procédé de montage de cette machine. La machine à énergie de fluide radiale (RTF) comprenant un boîtier (CAS) et un faisceau intérieur (IB). Le faisceau intérieur (IB) comporte un rotor (R) qui s'étend le long d'un axe (X). Le boîtier (CAS) comporte axialement du côté frontal, sur un premier côté axial (S1), une première ouverture (CAO1). La première ouverture (CAO1) peut être fermée par un premier couvercle (CV1) du boîtier (CAS). Selon l'invention, pour rendre le montage plus efficace, le boîtier (CAS) comporte une enveloppe (CCV) qui comporte un premier épaulement d'appui (CS1) qui fait saillie radialement vers l'intérieur et qui s'étend dans la direction périphérique. Le faisceau intérieur (IB) comporte un second épaulement d'appui (CS2) qui fait saillie radialement vers l'extérieur et qui s'étend dans la direction périphérique. Le premier épaulement d'appui (CS1) et le second épaulement d'appui (CS2) sont amenés en appui étanche l'un par rapport à l'autre dans une première position d'extrémité axiale (EP1). Le premier couvercle CV1 est monté de façon mobile axialement sur le faisceau intérieur (IB) de telle sorte que, dans la première position d'extrémité (EP1) du faisceau intérieur (IB) par rapport au boîtier (CAS), le premier couvercle (CV1) est déplaçable axialement jusque dans une seconde position d'extrémité (EP2) par rapport au faisceau intérieur (IB) et au boîtier (CAS). Le premier couvercle (CV1) possède une première surface d'appui (SS1) et le boîtier (CAS) possède une seconde surface d'appui (SS2). Dans la seconde position d'extrémité (EP2) du premier couvercle (CV1), la première surface d'appui (SS1) et la seconde surface d'appui (SS2) sont en appui étanche l'une sur l'autre.
PCT/EP2015/071149 2014-09-19 2015-09-16 Montage d'une turbomachine radiale par insertion axiale d'un faisceau dans une boîtier en forme de pot, le faisceau comportant un couvercle qui est maintenu de façon déplaçable axialement sur le faisceau WO2016042002A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014218936.5 2014-09-19
DE102014218936.5A DE102014218936A1 (de) 2014-09-19 2014-09-19 Radialturbofluidenergiemaschine, Verfahren zur Montage

Publications (1)

Publication Number Publication Date
WO2016042002A1 true WO2016042002A1 (fr) 2016-03-24

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PCT/EP2015/071149 WO2016042002A1 (fr) 2014-09-19 2015-09-16 Montage d'une turbomachine radiale par insertion axiale d'un faisceau dans une boîtier en forme de pot, le faisceau comportant un couvercle qui est maintenu de façon déplaçable axialement sur le faisceau

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DE (1) DE102014218936A1 (fr)
WO (1) WO2016042002A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017080742A1 (fr) * 2015-11-10 2017-05-18 Siemens Aktiengesellschaft Procédé de montage d'une turbomachine et turbomachine
EP3299629A1 (fr) * 2016-09-26 2018-03-28 Siemens Aktiengesellschaft Carter de turbocompresseur, procédé de fabrication

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3927763A (en) * 1970-12-15 1975-12-23 Bbc Sulzer Turbomaschinen Installation unit for a multistage radial compressor
US4218181A (en) * 1977-11-21 1980-08-19 Hitachi, Ltd. Barrel type centrifugal turbo-machine
EP0248104A1 (fr) * 1986-04-30 1987-12-09 GebràœDer Sulzer Aktiengesellschaft Pompe rotative
JP2001107888A (ja) * 1999-10-07 2001-04-17 Mitsubishi Heavy Ind Ltd 遠心式圧縮機
WO2012041757A1 (fr) 2010-09-22 2012-04-05 Siemens Aktiengesellschaft Fixation de centrage d'un couvercle de carter de compresseur

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1933038B1 (fr) * 2006-12-11 2016-08-24 Siemens Aktiengesellschaft Boîtier de turbomachine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3927763A (en) * 1970-12-15 1975-12-23 Bbc Sulzer Turbomaschinen Installation unit for a multistage radial compressor
US4218181A (en) * 1977-11-21 1980-08-19 Hitachi, Ltd. Barrel type centrifugal turbo-machine
EP0248104A1 (fr) * 1986-04-30 1987-12-09 GebràœDer Sulzer Aktiengesellschaft Pompe rotative
JP2001107888A (ja) * 1999-10-07 2001-04-17 Mitsubishi Heavy Ind Ltd 遠心式圧縮機
WO2012041757A1 (fr) 2010-09-22 2012-04-05 Siemens Aktiengesellschaft Fixation de centrage d'un couvercle de carter de compresseur

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017080742A1 (fr) * 2015-11-10 2017-05-18 Siemens Aktiengesellschaft Procédé de montage d'une turbomachine et turbomachine
EP3299629A1 (fr) * 2016-09-26 2018-03-28 Siemens Aktiengesellschaft Carter de turbocompresseur, procédé de fabrication
WO2018054691A1 (fr) * 2016-09-26 2018-03-29 Siemens Aktiengesellschaft Carter de turbocompresseur, procédé de fabrication

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