EP1564410B1 - Ensemble de pompe centrifuge verticale - Google Patents

Ensemble de pompe centrifuge verticale Download PDF

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Publication number
EP1564410B1
EP1564410B1 EP05001887.8A EP05001887A EP1564410B1 EP 1564410 B1 EP1564410 B1 EP 1564410B1 EP 05001887 A EP05001887 A EP 05001887A EP 1564410 B1 EP1564410 B1 EP 1564410B1
Authority
EP
European Patent Office
Prior art keywords
centrifugal pump
pump assembly
assembly according
cage
intermediate pipe
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.)
Active
Application number
EP05001887.8A
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German (de)
English (en)
Other versions
EP1564410A2 (fr
EP1564410A3 (fr
Inventor
Thomas Heng
Michael Lukas
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.)
KSB AG
Original Assignee
KSB 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
Priority claimed from DE102004029557A external-priority patent/DE102004029557B4/de
Application filed by KSB AG filed Critical KSB AG
Priority to PL05001887T priority Critical patent/PL1564410T3/pl
Publication of EP1564410A2 publication Critical patent/EP1564410A2/fr
Publication of EP1564410A3 publication Critical patent/EP1564410A3/fr
Application granted granted Critical
Publication of EP1564410B1 publication Critical patent/EP1564410B1/fr
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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
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D13/08—Units comprising pumps and their driving means the pump being electrically driven for submerged use
    • 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
    • F04D29/628—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for liquid pumps

Definitions

  • the invention relates to a vertical centrifugal pump unit, in particular for wet installation in a closed container, arranged with a between the electric motor of the unit bearing lantern and the housing of the centrifugal pump, the shaft of the unit enclosing the intermediate tube, the attachment of the unit to a horizontal extending, arranged below the flange of the lantern flat part, in particular takes place on the lid of a container.
  • Such an aggregate is known by the US Pat. No. 6,315,530 B1 ,
  • the intermediate tube of this unit is equipped with flanges, by means of which it is connected on the one hand with a corresponding flange of the lantern and on the other hand with the pressure cover of the centrifugal pump housing via screws.
  • the flanges of such an intermediate tube may, if it is a casting, be integrally connected to the tubular body.
  • the flanges can be connected to a pipe by welding, but this increases the production cost. Regardless of how they were produced, the same applies to the ready-to-install intermediate tubes the disadvantage that they are each adapted only to a certain wavelength. So if such a centrifugal pump unit is designed in different lengths, so it requires casting technology produced intermediate tubes for each of their own mold. Adjustments to hitherto unscheduled construction lengths are made very difficult, if not excluded because of the high cost.
  • the DE 1 528 888 A1 discloses a suspension pump for attacking media, in which between the motor or the support flange and the pump housing as a compound connecting a massively executed block of corrosion-resistant plastic with passage for passing the shaft is arranged.
  • the plastic block also serves as a pressure line for the centrifugal pump.
  • the block is sized to be able to withstand the stresses encountered during operation despite low mechanical strength.
  • the invention has for its object to provide a centrifugal pump unit of the type mentioned, in which the production, adjustment and attachment of the intermediate tube require little effort.
  • the intermediate tube is designed as a pure tube without flanges or other spacers on its faces and the faces are pressed by evenly distributed over the circumference screw against the lantern and the pump housing, the lantern and the underneath arranged flat part are connected to each other via screw.
  • the lantern can be equipped with two arranged on different diameters hole circles. This makes it possible to use a single version of the lantern in various designs of centrifugal pump units.
  • the screw connections between the lantern, the flat part and the pump housing are made via the larger diameter pitch circle, with the screw connections simultaneously receiving the flat part located below the lantern.
  • the connection between the lantern and the pump housing is made via the smaller diameter pitch circle, while the lantern is connected to the flat part via the larger diameter pitch circle by means of screws.
  • attachment of the unit is an attachment with the help.
  • a flange for this purpose, the arranged under the lantern flat part is designed as a loose flange. In this way, the unit can be attached to variously shaped surfaces.
  • a preferred embodiment is that the intermediate tube is clamped by means of tie rods between the lantern and the pump housing, wherein in the case of using the smaller pitch circle, the tie rods simultaneously receive the arranged under the lantern flat part by means of nuts.
  • the intermediate tube is provided with grooves extending over the entire circumference, in each of which a dividing joint provided with a loose flange by means of one or more projections arranged on its inner circumference, said loose flange via a screw connection with the below the lantern flange arranged flat part, in particular the lid of a container or another loose flange is connected.
  • the flange used here is basically known from the DE 20 53 147 ,
  • the intermediate tube is provided with recesses in which support elements engage positively, wherein the support members each support a provided with holes for receiving screw Losflansch.
  • the recesses may consist of individual holes are inserted into the pins or similar elements; on these the loose flange comes to the plant.
  • the intermediate tube may also be provided with grooves extending over the entire circumference, each receiving a support ring on which the loose flange comes to rest.
  • a flange design of this kind is by the US 3,861,722 basically known in advance.
  • a preferred embodiment of the invention provides that the end faces of the intermediate tube abut directly on the flange of the lantern and on the pump housing, in particular on the pressure-side cover. This means that specially assigned to the intermediate tube flanges are unnecessary. This applies in particular in the cases in which the diameter of the intermediate tube corresponds to the counter surfaces of the lantern flange or the pump housing serving for the abutment of its end faces.
  • a further advantageous embodiment of the invention is that one or both end faces of the intermediate tube each rest against an intermediate loose flange.
  • the advantageous idea resulting from the nature of the invention according to which the intermediate pipe is formed by commercially available pipe material, which is optionally adapted by appropriate cutting to the respective conditions, can be used with a further benefit.
  • centrifugal pump assembly replaces all versions whose shaft and intermediate housing lengths are within the adjustment range of said advantageous embodiment.
  • a divided into two similar halves intermediate tube is used. Between the two halves, a contour adapted to the end faces of the intermediate tube halves is clamped for an intermediate bearing.
  • the intermediate storage is supplied via a line with lubricating fluid.
  • This line can be connected in an expedient embodiment with the pressure-side inner region of the centrifugal pump assembly.
  • the prior art corresponding centrifugal pump assembly has an electric motor 1, which is connected via a coupling 2 with the unit shaft 3.
  • the aggregate shaft 3 is rotatably mounted in a lantern 5.
  • the lantern 5 has a flange 6 which is releasably connected to a flange 7 of an intermediate tube 8 via a plurality of screws.
  • the flange 7 of the intermediate tube 8 is in turn connected to the lid 9 of a container, not shown, via screws.
  • the intermediate tube 8 thus protrudes into the container; it encloses the aggregate shaft 3.
  • the intermediate tube 8 has a flange 10 which is releasably connected to the housing 11 of a centrifugal pump 12 - also via a plurality of screws.
  • the centrifugal pump 12 has an impeller 13, the liquid in the container sucks through an inlet 14 and via an outlet 15 and a pipe 16 in an outside of the container located, not shown pipeline promotes.
  • the intermediate tube 8 is produced with its flanges 7 and 10 in one piece in a casting process. This means that a separate casting model must be maintained for each size of the intermediate tubes used, and that deviating from a predetermined size deviating pipes can be made available only under greatly increased effort.
  • Fig. 2 and 3 illustrated embodiments overcome the problem indicated by providing a theoretically unlimited number of possible sizes of intermediate tubes. This is made possible by the fact that the intermediate tubes are designed only as pure tubes, so waiving flanges. This results in several advantageous possibilities: Existing tube material is readily cut to a desired level; Production and storage are thus simplified. Above all, it is now possible to use commercially available tube formats, which means a decisive economic advantage because of the omission of a separate production of the intermediate tubes.
  • the unit can also be attached directly to a container lid.
  • the type of attachment itself would basically be the same as in the Fig. 2 shown.
  • sleeves 24 instead of the sleeves 24 also different kind of spacers, such as discs or plates, can be used. It can also be used the entire flange circumference covering rings or tubes. Finally, it is also possible to produce the desired spacing by means of further nuts, which are arranged above the loose flange 19 and below the lantern 6.
  • the Fig. 4 shows nuts 25 which are welded to pins 26.
  • the pins 26 are anchored in bores of the intermediate tube 17.
  • the necessary screw is made by - not shown - screws or threaded bolts.
  • the Fig. 5 shows an embodiment in which a - second - loose flange 27 is used.
  • the loose flange 27 is supported on a plurality of pins 28 which are distributed uniformly over the circumference of the intermediate tube 17.
  • pins 28 instead of the recessed in individual holes pins 28 can be used with a similar effect, a snap ring which is arranged in a groove extending around the intermediate tube 17.
  • a split loose flange arranged in a groove of the intermediate tube and fixed by the screw still to be attached, can be used at this point.
  • the Fig. 6 shows an alternative of the connection between a lantern 21 and a flat part 29.
  • the lantern 21 is equipped with two hole circles of different diameters. This allows its use with different size aggregates.
  • a connection is shown on a smaller aggregate.
  • the flange of the lantern 21 on the one hand via screws 30 to the flat part 29 and on the other hand via tie rods 18 connected to the pump housing 11.
  • a direct connection between the lantern 21 and the flat portion 29 would be done by means of tie rods 18 via the outer circle of holes.
  • This type of connection would correspond to that in the Fig. 2 shown type.
  • the intermediate bearing 31 consists essentially of a bearing support 32 and a bearing shell 33 attached thereto.
  • the shaft 3 in turn carries a bearing bushing 34 cooperating with the bearing shell 33.
  • the bearing support 32 is fastened in the intermediate tube 17 by means of stud bolts 35. Installation and alignment of the intermediate bearing 31 carried out in such a way that the intermediate bearing 31 is first preassembled with loose screw in the intermediate tube 17 and fixed only after the passage of the shaft 3 by uniform tightening the studs 35.
  • the Fig. 9 shows an embodiment in which two identically formed tubes 36 are joined together to form a common intermediate tube. Between the two tubes 36, a bearing support 37 is clamped, which is braced together with the tubes 36 by tie rods 18. The intermediate bearing 38 held by the bearing carrier 37 also encloses a bushing 34 arranged on the shaft 3.
  • the bearings 31 and 38 of Fig. 7 to 9 each have a bearing lubrication, which is supplied via a connected to the pressure side of the pump unit line 39 with lubricating fluid.
  • the line 39 respectively opens into a bore 40 in the bearing carrier 32 and 37, respectively.

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

Claims (24)

  1. Ensemble de pompe centrifuge vertical, en particulier pour le montage humide dans un récipient fermé, comprenant un tube intermédiaire (17) disposé entre une lanterne (5 ; 21) portant le moteur électrique (1) de l'ensemble et le boîtier (11) de la pompe centrifuge (12), entourant l'arbre (3) de l'ensemble, la fixation de l'ensemble s'effectuant au niveau d'une partie plate (19 ; 29) s'étendant horizontalement, disposée sous le flasque (6) de la lanterne (5 ; 21), en particulier au niveau du couvercle d'un récipient, caractérisé en ce que le tube intermédiaire (17) est réalisé sous forme d'un simple tube sans flasque ou autres élargissements au niveau de ses faces frontales, et les faces frontales sont pressées contre la lanterne (5 ; 21) et le boîtier de pompe (11) par des connexions vissées (18, 20 ; 25 ; 27) réparties uniformément sur la périphérie, la lanterne (5 ; 21) et la partie plate (19 ; 29) disposée sous elle étant connectées l'une à l'autre par le biais de connexions vissées (18, 20 ; 25 ; 27 ; 30).
  2. Ensemble de pompe centrifuge selon la revendication 1, caractérisé en ce que la lanterne (5 ; 21) est munie de deux disques perforés disposés sur des diamètres différents.
  3. Ensemble de pompe centrifuge selon la revendication 2, caractérisé en ce que les connexions vissées (30) entre la partie plate (29) et la lanterne (5 ; 21) s'effectuent par le biais du disque perforé de plus petit diamètre, des vis (30) étant prévues en plus de la connexion de la partie plate (19 ; 29) à la lanterne (5 ; 21) s'effectuant sur le disque perforé de plus grand diamètre.
  4. Ensemble de pompe centrifuge selon la revendication 2, caractérisé en ce que les connexions vissées (18, 20 ; 25 ; 27) entre la partie plate (29) et la lanterne (5 ; 21) s'effectuent par le biais du disque perforé de plus grand diamètre, les connexions vissées (18, 20 ; 25 ; 27) recevant simultanément la partie plate (19) située en dessous de la lanterne (5 ; 21).
  5. Ensemble de pompe centrifuge selon l'une quelconque des revendications 1 à 4, caractérisé en ce que la partie plate (19 ; 29) disposée sous la lanterne (5 ; 21) est un flasque libre.
  6. Ensemble de pompe centrifuge selon l'une quelconque des revendications 1 à 5, caractérisé en ce que le tube intermédiaire (17) est serré au moyen de tirants d'ancrage (18), les tirants d'ancrage (18) étant fixés d'une part à la lanterne (5 ; 21) et d'autre part au boîtier de pompe (11) au moyen d'une connexion vissée.
  7. Ensemble de pompe centrifuge selon la revendication 6, caractérisé en ce que les tirants d'ancrage (18) reçoivent simultanément la partie plate (19 ; 29) disposée sous la lanterne (5 ; 21) à l'aide d'écrous (20).
  8. Ensemble de pompe centrifuge selon l'une quelconque des revendications précédentes, caractérisé en ce que le tube intermédiaire (17) est pourvu de rainures s'étendant sur toute la périphérie, dans lesquelles s'engage à chaque fois un flasque libre pourvu de joints de séparation à l'aide d'une ou plusieurs saillies disposées sur sa périphérie intérieure, ce flasque libre étant connecté par le biais de connexions vissées à la partie plate (19 ; 29).
  9. Ensemble de pompe centrifuge selon l'une quelconque des revendications précédentes, caractérisé en ce que le tube intermédiaire (17) est pourvu d'évidements dans lesquels s'engagent par engagement par correspondance de formes des éléments de retenue (28), les éléments de retenue (28) supportant à chaque fois un flasque libre (27) pourvu d'alésages pour recevoir des connexions vissées.
  10. Ensemble de pompe centrifuge selon l'une quelconque des revendications précédentes, caractérisé en ce que le tube intermédiaire (17) est pourvu de rainures s'étendant sur toute la périphérie, lesquelles reçoivent à chaque fois un anneau de support sur lequel vient en appui le flasque libre (27).
  11. Ensemble de pompe centrifuge selon la revendication 9, caractérisé en ce que le tube intermédiaire (17) est pourvu de trous répartis uniformément sur la périphérie, lesquels servent à recevoir des goupilles (28) qui supportent à chaque fois le flasque libre (27).
  12. Ensemble de pompe centrifuge selon la revendication 9, caractérisé en ce que le tube intermédiaire (17) est pourvu de trous répartis uniformément sur la périphérie, lesquels servent à recevoir des goupilles (26), chacune de ces goupilles (26) portant un manchon (25) pour recevoir une connexion vissée.
  13. Ensemble de pompe centrifuge selon l'une quelconque des revendications précédentes, caractérisé en ce que les surfaces frontales du tube intermédiaire (17) s'appliquent contre le flasque (6) de la lanterne (5 ; 21) et contre le boîtier de pompe (11), en particulier contre son couvercle côté pression.
  14. Ensemble de pompe centrifuge selon l'une quelconque des revendications précédentes, caractérisé en ce qu'une ou les deux surfaces frontales du tube intermédiaire (17) s'appliquent contre un flasque libre supplémentaire.
  15. Ensemble de pompe centrifuge selon l'une quelconque des revendications précédentes, caractérisé en ce que le tube intermédiaire (17) est formé par un matériau tubulaire usuel dans le commerce qui est éventuellement adapté par raccourcissement aux conditions respectives.
  16. Ensemble de pompe centrifuge selon l'une quelconque des revendications précédentes, caractérisé en ce qu'entre la partie plate (19 ; 29) et la lanterne (5 ; 21) sont disposés des éléments d'espacement (24).
  17. Ensemble de pompe centrifuge selon la revendication 16, caractérisé en ce que les éléments d'espacement sont formés par des douilles (24).
  18. Ensemble de pompe centrifuge selon la revendication 16, caractérisé en ce que la distance est créée par des écrous (20) qui sont disposés au-dessus de la partie plate (19 ; 29) et en dessous de la lanterne (5 ; 21).
  19. Ensemble de pompe centrifuge selon l'une quelconque des revendications précédentes, caractérisé par un tube intermédiaire (17) muni d'un palier intermédiaire (31) pour l'arbre (3).
  20. Ensemble de pompe centrifuge selon la revendication 19, caractérisé en ce que le palier intermédiaire (31) est fixé au moyen de plusieurs vis (35) traversant le tube intermédiaire (17).
  21. Ensemble de pompe centrifuge selon la revendication 20, caractérisé en ce que l'on utilise trois vis (35) réparties uniformément sur la périphérie, devant être bloquées au moyen d'écrous et de contre-écrous, pouvant être ajustées à chaque fois à l'aide d'un filetage disposé dans le tube intermédiaire (17).
  22. Ensemble de pompe centrifuge selon la revendication 19, caractérisé par un tube intermédiaire divisé en deux moitiés identiques (36), un support (37) pour un palier intermédiaire (38), adapté de par son contour aux surfaces frontales des moitiés (36), étant serré entre les deux moitiés (36).
  23. Ensemble de pompe centrifuge selon l'une quelconque des revendications 19 à 22, caractérisé en ce que le palier intermédiaire (31 ; 38) est alimenté en liquide de lubrification par le biais d'une conduite (39).
  24. Ensemble de pompe centrifuge selon la revendication 23, caractérisé en ce que la conduite (39) est connectée à la région intérieure côté pression de l'ensemble de pompe centrifuge.
EP05001887.8A 2004-02-13 2005-01-29 Ensemble de pompe centrifuge verticale Active EP1564410B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL05001887T PL1564410T3 (pl) 2004-02-13 2005-01-29 Pionowy zespół pompy odśrodkowej

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102004007090 2004-02-13
DE102004007090 2004-02-13
DE102004029557A DE102004029557B4 (de) 2004-02-13 2004-06-18 Vertikales Kreiselpumpenaggregat
DE102004029557 2004-06-18

Publications (3)

Publication Number Publication Date
EP1564410A2 EP1564410A2 (fr) 2005-08-17
EP1564410A3 EP1564410A3 (fr) 2009-07-01
EP1564410B1 true EP1564410B1 (fr) 2016-11-16

Family

ID=34702136

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05001887.8A Active EP1564410B1 (fr) 2004-02-13 2005-01-29 Ensemble de pompe centrifuge verticale

Country Status (2)

Country Link
US (1) US7828531B2 (fr)
EP (1) EP1564410B1 (fr)

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WO2008039732A2 (fr) * 2006-09-25 2008-04-03 Dresser-Rand Company Connexion à tiroir mobile axialement
CA2736952C (fr) 2008-09-10 2016-11-29 Pentair Pump Group, Inc. Pompe centrifuge multi-etages a haut rendement et procede de montage
US20110189036A1 (en) * 2010-01-29 2011-08-04 O'Drill/MCM Inc. Modular Vertical Pump Assembly
US8435016B2 (en) 2010-11-10 2013-05-07 Hamilton Sundstrand Corporation Vertical shaft pumping system with lubricant impeller arrangement
US9435344B1 (en) 2012-09-12 2016-09-06 Sidney T. Highnote Liquid sealed pump
EP2759710A1 (fr) * 2013-01-23 2014-07-30 Sulzer Pumpen AG Pompe centrifuge et manchon de couplage de l'arbre d'une pompe centrifuge sur l'arbre d'un moteur de commande
DK3242034T3 (da) 2013-03-19 2019-08-12 Flow Control LLC Lavprofilpumpe med evnen til at blive monteret i forskellige konfigurationer
CN104329231A (zh) * 2014-09-22 2015-02-04 安徽富乐泰水泵系统有限公司 小型水泵的机体连接装置
KR101715604B1 (ko) * 2016-06-03 2017-03-13 (유)한성산기 진동 저감형 펌프
CN107939737A (zh) * 2017-12-25 2018-04-20 杭州福斯达深冷装备股份有限公司 一种导向支架及立式高压离心泵泵体的导向结构
US12006949B2 (en) * 2018-11-21 2024-06-11 Sulzer Management Ag Multiphase pump
CN114294268A (zh) * 2021-12-28 2022-04-08 威乐(中国)水泵系统有限公司 一种立式离心泵

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Also Published As

Publication number Publication date
US7828531B2 (en) 2010-11-09
EP1564410A2 (fr) 2005-08-17
EP1564410A3 (fr) 2009-07-01
US20050191192A1 (en) 2005-09-01

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