EP1042614B1 - Pompe a anneau liquide a plusieurs flux - Google Patents

Pompe a anneau liquide a plusieurs flux Download PDF

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Publication number
EP1042614B1
EP1042614B1 EP98966223A EP98966223A EP1042614B1 EP 1042614 B1 EP1042614 B1 EP 1042614B1 EP 98966223 A EP98966223 A EP 98966223A EP 98966223 A EP98966223 A EP 98966223A EP 1042614 B1 EP1042614 B1 EP 1042614B1
Authority
EP
European Patent Office
Prior art keywords
liquid ring
ring pump
rotor housing
disposed
side shield
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP98966223A
Other languages
German (de)
English (en)
Other versions
EP1042614A1 (fr
Inventor
Helmut Blender
Rolf Jäger
Karl-Heinz Kulas
Horst Masuch
Patrick Müller
Wolfgang Tempel
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.)
Gardner Denver Wittig GmbH
Original Assignee
Gardner Denver Wittig GmbH
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 Gardner Denver Wittig GmbH filed Critical Gardner Denver Wittig GmbH
Publication of EP1042614A1 publication Critical patent/EP1042614A1/fr
Application granted granted Critical
Publication of EP1042614B1 publication Critical patent/EP1042614B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C19/00—Rotary-piston pumps with fluid ring or the like, specially adapted for elastic fluids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
    • F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
    • F01C21/10—Outer members for co-operation with rotary pistons; Casings

Definitions

  • the invention relates to a multi-flow liquid ring pump according to the preamble of claim 1.
  • the impeller housing has a substantially circular cross section. On the cylindrical surface of the impeller housing are longitudinal radial protruding webs arranged, which delimit channels inside. Disadvantage of this The arrangement is that the maximum occupied by the housing of the liquid ring pump Storage space, that is, height times width, is significantly larger than that provided by the cylindrical jacket-shaped outer shape of the rest of the impeller housing would be required. About that In addition, dead spaces are formed by the protruding webs, in which dirt can accumulate. There is also a risk of handling the liquid ring pump get stuck in the above ridges.
  • Another liquid ring pump is known from EP 0 584106 B1. It is a multi-flow liquid ring pump with an impeller Pump enclosing impeller housing, on the two end faces of each Side shield is arranged.
  • the two side shields protrude from the impeller housing in the radial direction and each side plate points to the other side plate facing side in the area of the projection an inlet and an outlet on.
  • These openings are made by parallel to the impeller housing Connecting pipes connected to each other, one suction opening for each Supply line and a pressure opening for a discharge line is provided. In the two lower corners, further connection openings can be provided for one for the supply of operating fluid and / or for pressure compensation between the two pump halves.
  • These openings are also parallel to Pipes connected to the impeller housing.
  • a disadvantage of this construction is the space required for that arranged in the support arm Storage and on the other hand the increased assembly effort for attaching the Connecting pipes.
  • the multitude of protruding parts of the overall construction such as B. support arm and connecting pipes form nests for dirt accumulations, which are difficult to remove.
  • the object of the invention is to provide a generic liquid ring pump, the more compact and thus more space-saving compared to the known State of the art is built.
  • each side plate closes flush with the Outer surface of the impeller housing and the connection of the inlet and Outlet openings and the connection openings are made in the impeller housing arranged channels.
  • This arrangement has the advantage that there are no protruding ones There are parts that can form nests of dirt and therefore that Overall unit is also easier to clean.
  • Another advantage is that the There is no need to attach separate connecting pipes because they are more integral Are part of the impeller housing. For example, they can be used in manufacturing be cast in directly.
  • the side plates can be easily Push-through screws flanged to the respective end face of the impeller housing become.
  • the cross section of the impeller housing is almost square, the Side surfaces are slightly curved outwards and rounded in the side edge areas pass.
  • the connecting channels are in the gussets that between the almost square cross-section Impeller housing and the round work space result, the work space is almost in the middle of the impeller housing. Almost means that the work space either exactly the same axis or eccentric by a few millimeters Impeller housing is.
  • the working area axis is five millimeters in Towards the 12 o'clock position, eccentric to the axis of the impeller housing.
  • the incorporated cross-sectional geometry of the suction and pressure channels on top are made larger than the channels for operating fluid arranged below and dirt particles.
  • the advantage is that with this measure the cross sections the required volume flows and the resulting ones Flow rates can be adjusted.
  • connection openings below for the supply of Operating fluid provided.
  • the second connection opening is according to the invention as Dirt particle drainage channel is formed, which is radial to the work area extending connecting channels is provided. In this way it is achieved that entrained dirt particles in the work area by centrifugal force thrown out and due to the centrifugal force through the openings in the Working space wall pressed in the longitudinal duct become. At certain intervals, they can accumulate in the drainage channel Dirt particles are removed.
  • the compact design is both in both side plates Sealing and the bearing for the shaft of the impeller are integrated.
  • the seal is preferably in a seal housing and the bearing is in arranged in a separate storage housing Both housings are sealed screwed together.
  • the advantage of this arrangement is that the Unit d. H. Seal and bearing housing completely by pulling off the Rotor shaft can be removed
  • the rotor shaft is in this case on two in the integrated cam in each control disc. This makes it possible to replace worn shaft seals without removing the entire machine from the Dismantle the vehicle and completely disassemble it.
  • Figure 1 shows a perspective view of an invention trained multi-flow liquid ring pump 1. It consists of a Impeller housing 2 and two attached side plates 3, 4. That in this Front side plate 3 is the drive side with which the pump driving rotor shaft 5. The flush is clearly visible in this illustration End of the side plates 3, 4 with the outer contour of the impeller housing 2.
  • Each Side plate has recesses 6 on both side surfaces for receiving Push-through screws for fastening the side plates 3, 4 to the respective one End face of the impeller housing 2.
  • openings 7, 8 provided, in this embodiment the opening 7 on the left of the front side plate 3, the inlet opening for the suction side and Right opening 8 is the outlet opening for the pressure side.
  • the back Side plate 4 also has similar openings 9, 10.
  • each side plate 3, 4 in the lower area with at least one connection opening 12,14 provided, preferably for the connection of the operating fluid. But it can a further connection opening 11, 13 may also be provided, for. B. as a dirt particle drainage channel.
  • connection openings 9, 10 as well Connection openings 13, 14 of the rear side plate 4 cannot be seen.
  • FIG. 2 shows this in FIG. 1 front side plate 3 in the as-cast state As you can see, the Inlet and outlet openings 7, 8 cast in, while the ones below Port openings 11, 12 ( Figure 1) still have to be drilled.
  • the guides of the channels are in sections or partial sections selected side plate 3 shown here. Because of the double flow of the machine (see FIG. 8), on the one hand, the distribution of the or gas to be discharged into the chamber on the right in FIG. 8 and to others via the channels 15, 16 arranged in the impeller housing 2 into the channels in FIG. 8 left chamber. This applies to both the suction side 17 and the Print page 18.
  • Each side plate 3, 4 has a centrally located stepped bore 19 around which Seal and take up the bearing for the rotor shaft 5 (Figure 8).
  • On the inside end face 20 is screwed 47 ( Figure 8) Control plate 21, 22 attached ( Figure 8).
  • On the end face 20 is also a outwardly extending hundredweight paragraph 23 provided on which Impeller housing 2 is arranged centering.
  • the supply of the operating fluid takes place via the connection opening 12 and the channel 24 running in the side plate 3 Via a bore 25 in the storage area 19 From there it flows on Opening 26, 27 in the respective control disc 21, 22 in the working space of the respective chamber of the machine.
  • To stiffen the respective side plate 3, 4 6 stiffening ribs 28 are provided.
  • FIG. 8 is in a longitudinal section and in Figure 9 in a section F-F in Figure 8 Overall context shown again.
  • FIG Arrow 29 shows the selected direction of rotation of the rotor shaft 5 and thus the pump characterized.
  • the direction of rotation can also be clockwise take place, but then the suction 17 and the pressure side 18 would be interchanged.
  • This section clearly shows on the one hand the channels 15, 16 located at the top the inlet and outlet openings 7.9 and 8.10 of the two side plates 3.4 connect with each other.
  • the outer contour of the impeller housing 2 is essentially square with bulging side surfaces. The side faces are provided with ribs 32.
  • the seals are as well Bearing of the rotor shaft 5 integrated in the two side plates 3.4.
  • the seal consists of a stuffing box 34 and three shaft seals 35 - 37 arranged side by side, the lips of the inner shaft seals 35,36 are inclined to the left and the lip of the shaft sealing ring 37 further out is inclined to the right.
  • the first two shaft seals 35, 36 are grease seals provided, the filling takes place via a bore 38. The discharge takes place via a further bore 39.
  • a shaft seal is also possible with shaft seals 35 - 37.
  • Camp 40 here in the form of a spherical roller bearing is arranged on a bearing seat of the rotor shaft 5
  • the bearing 40 is axially fixed by a screw-on shaft nut 41 side closure forms a cover 42 or a cap 43 with a sealed Opening for the passage of the shaft shaft of the rotor shaft 5.
  • the respective seal is in a seal housing 48 and the respective storage in a bearing house 49 arranged. Both housings 48, 49 are screwed together, with between a seal 50 is arranged on the stop surfaces of both housings 48, 49.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
  • Rotary Pumps (AREA)
  • External Artificial Organs (AREA)
  • Reciprocating Pumps (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Claims (9)

  1. Pompe à anneau liquide à plusieurs flux (1)
    a) comprenant un logement de rotor (2), lequel entoure un rotor disposé dans un espace de travail et comprend deux côtés frontaux,
    b) comprenant des plaques latérales (3, 4) disposées sur les deux côtés frontaux,
    i) chaque plaque latérale (3, 4) comprenant sur le côté tourné vers chaque autre plaque latérale (3, 4) un orifice d'entrée (7, 9) et un orifice de sortie (8, 10), qui sont reliés l'un à l'autre,
    ii) et respectivement un orifice d'aspiration pour une conduite d'amenée et un orifice de pression pour une conduite d'évacuation étant prévus
    iii) et chaque plaque latérale comprenant au moins un autre orifice de raccordement (11, 12, 13, 14)
    c) la surface de revêtement extérieur de chaque plaque latérale (3, 4) se terminant en affleurant avec la surface de revêtement extérieur du logement de rotor (2) et
    d) la liaison entre l'orifice d'entrée (7, 9) et de sortie (8, 10) ainsi que l'orifice de raccordement (11, 12, 13, 14) se faisant par l'intermédiaire de canaux (15, 16, 30, 31) disposés dans le logement de rotor (2), caractérisée en ce que
    e) le logement de rotor (2) comprend une section principalement rectangulaire,
    f) l'espace de travail comprend une section ronde et est disposé sensiblement au centre par rapport au logement de rotor (2) et
    g) les canaux (15, 16, 30, 31) sont disposés dans le logement de rotor (2) dans des coins se produisant à travers l'espace de travail rond.
  2. Pompe à anneau liquide (1) selon la revendication 1, caractérisée en ce que le logement de rotor (2) comprend une section principalement carrée, les surfaces latérales étant légèrement recourbées vers l'extérieur et dépassant de façon arrondie dans la zone d'arête latérale.
  3. Pompe à anneau liquide (1) selon l'une des revendications 1 ou 2, caractérisée en ce qu'une plaque latérale (3, 4) ou les deux plaques latérales (3, 4) ainsi que le logement de rotor (2) comprennent dans un des deux coins situés dessous un seul orifice de raccordement (11, 12, 13, 14) ainsi qu'un canal de liaison (30, 31) pour l'amenée du liquide d'exploitation.
  4. Pompe à anneau liquide (1) selon l'une des revendications 1 ou 2, caractérisée en ce qu'une plaque latérale (3, 4) ou les deux plaques latérales (3, 4) ainsi que le logement de rotor (2) comprennent dans les deux coins situés dessous respectivement un orifice de raccordement (11, 12) ainsi qu'un canal de liaison (30, 31), l'un des deux canaux de liaison (30, 31) étant conçu comme canal de décharge des particules de poussière, avec des canaux de liaison s'étendant radialement vers l'espace de travail.
  5. Pompe à anneau liquide (1) selon l'une des revendications 1 à 4, caractérisée en ce que la zone de surface frontale de la plaque latérale opposée au logement de rotor (2), comprenant l'orifice d'entrée (7, 9) et l'orifice de sortie (8, 10), est chanfreinée.
  6. Pompe à anneau liquide (1) selon la revendication 5, caractérisée en ce que le chanfrein s'élève à 45°.
  7. Pompe à anneau liquide (1) selon l'une des revendications 1 à 6, caractérisée en ce que les orifices d'entrée (7, 9) et de sortie (8, 10) conçus de la même façon et disposés sur les plaques latérales (3, 4) peuvent être refermés mutuellement.
  8. Pompe à anneau liquide (1) selon l'une des revendications 1 à 7, caractérisée en ce que le joint ainsi que le palier pour l'arbre (5) du rotor sont intégrés dans les deux plaques latérales (3, 4).
  9. Pompe à anneau liquide (1) selon la revendication 8, caractérisée en ce que le joint est disposé dans un logement d'étanchéité (48) et le palier dans un logement de palier (49) et les deux logements (48, 49) sont vissés l'un à l'autre de manière étanche.
EP98966223A 1997-12-22 1998-12-16 Pompe a anneau liquide a plusieurs flux Expired - Lifetime EP1042614B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19758340 1997-12-22
DE19758340A DE19758340A1 (de) 1997-12-22 1997-12-22 Mehrflutige Flüssigkeitsringpumpe
PCT/DE1998/003752 WO1999032791A1 (fr) 1997-12-22 1998-12-16 Pompe a anneau liquide a plusieurs flux

Publications (2)

Publication Number Publication Date
EP1042614A1 EP1042614A1 (fr) 2000-10-11
EP1042614B1 true EP1042614B1 (fr) 2004-08-04

Family

ID=7853648

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98966223A Expired - Lifetime EP1042614B1 (fr) 1997-12-22 1998-12-16 Pompe a anneau liquide a plusieurs flux

Country Status (9)

Country Link
US (1) US6551071B1 (fr)
EP (1) EP1042614B1 (fr)
AT (1) ATE272797T1 (fr)
AU (1) AU2264499A (fr)
CA (1) CA2315700C (fr)
DE (2) DE19758340A1 (fr)
ES (1) ES2226200T3 (fr)
PT (1) PT1042614E (fr)
WO (1) WO1999032791A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20005916U1 (de) 2000-03-30 2000-06-21 Gardner Denver Wittig GmbH, 79650 Schopfheim Flüssigkeits-Ringpumpe
DE20104660U1 (de) 2001-03-16 2001-08-02 Gardner Denver Wittig GmbH, 79650 Schopfheim Schraubenverdichter
NO316638B1 (no) * 2002-04-19 2004-03-15 Compressor Systems As Vaeskeringkompressor
DE50309581D1 (de) 2003-05-16 2008-05-21 Sterling Fluid Sys Gmbh Flüssigkeitsringgaspumpe
DK1477681T3 (da) * 2003-05-16 2007-01-02 Sterling Fluid Sys Gmbh Væskeringsgaspumpe
DE202005005620U1 (de) * 2005-04-08 2006-08-17 Hawe Hydraulik Gmbh & Co. Kg Pumpenaggregat
DE102005043434A1 (de) * 2005-09-13 2007-03-15 Gardner Denver Elmo Technology Gmbh Einrichtung zur Leistungsanpassung einer Flüssigkeitsringpumpe
ATE404793T1 (de) * 2006-05-11 2008-08-15 Pompetravaini S P A Einstufige flüssigkeitsringvakuumpumpe mit saug- und druckleitungen im zentralen gehäuse integriert.
KR101803843B1 (ko) * 2017-08-24 2017-12-04 주식회사 백콤 내부 부품 교체가 용이한 수봉식 진공펌프

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1111355B (de) 1958-02-27 1961-07-20 Licentia Gmbh Elektrischer Brotroester
US4132504A (en) 1976-04-07 1979-01-02 General Signal Corporation Liquid ring pump
US4273515A (en) * 1976-04-07 1981-06-16 General Signal Corporation Liquid ring pump
JPS5537565A (en) * 1978-09-08 1980-03-15 Nakamura Suikan:Kk One-action type water ring pump
DE2967131D1 (en) * 1979-08-09 1984-08-30 Nash Engineering Co Two stage liquid ring pump
DE3568823D1 (en) 1984-05-14 1989-04-20 Prescant Pty Ltd Water ring vacuum pump
KR960014088B1 (ko) * 1987-01-08 1996-10-12 더 내쉬 엔지니어링 컴패니 2단(two-stage) 액체링 펌프
DE59201302D1 (de) * 1991-05-14 1995-03-09 Siemens Ag Mehrflutige flüssigkeitsringpumpe.
DE4301907A1 (de) * 1993-01-25 1994-07-28 Siemens Ag Flüssigkeitsringmaschine
DE4305424A1 (de) * 1993-02-22 1994-08-25 Siemens Ag Verfahren zum Betrieb einer Flüssigkeitsringmaschine sowie eine Flüssigkeitsringmaschine zur Durchführung des Verfahrens
CN1065323C (zh) * 1995-05-08 2001-05-02 西门子公司 水环式机
US5899668A (en) * 1997-01-30 1999-05-04 The Nash Engineering Company Two-stage liquid ring pumps having separate gas and liquid inlets to the second stage

Also Published As

Publication number Publication date
PT1042614E (pt) 2004-11-30
AU2264499A (en) 1999-07-12
WO1999032791A1 (fr) 1999-07-01
EP1042614A1 (fr) 2000-10-11
US6551071B1 (en) 2003-04-22
ES2226200T3 (es) 2005-03-16
DE59811772D1 (de) 2004-09-09
CA2315700C (fr) 2006-12-12
DE19758340A1 (de) 1999-07-08
ATE272797T1 (de) 2004-08-15
CA2315700A1 (fr) 1999-07-01

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