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EP2625429B1 - Pompe et procédé de refoulement et de dégazage d'un liquide au moyen d'une buse dans une entrée de pompe - Google Patents

Pompe et procédé de refoulement et de dégazage d'un liquide au moyen d'une buse dans une entrée de pompe Download PDF

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Publication number
EP2625429B1
EP2625429B1 EP11763602.7A EP11763602A EP2625429B1 EP 2625429 B1 EP2625429 B1 EP 2625429B1 EP 11763602 A EP11763602 A EP 11763602A EP 2625429 B1 EP2625429 B1 EP 2625429B1
Authority
EP
European Patent Office
Prior art keywords
pump
drive motor
liquid
degassing
control device
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
EP11763602.7A
Other languages
German (de)
English (en)
Other versions
EP2625429A1 (fr
Inventor
Andreas RÜSING
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.)
Reflex Winkelmann GmbH
Original Assignee
Reflex Winkelmann 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 Reflex Winkelmann GmbH filed Critical Reflex Winkelmann GmbH
Priority to PL11763602T priority Critical patent/PL2625429T3/pl
Publication of EP2625429A1 publication Critical patent/EP2625429A1/fr
Application granted granted Critical
Publication of EP2625429B1 publication Critical patent/EP2625429B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D9/00—Priming; Preventing vapour lock
    • F04D9/04—Priming; Preventing vapour lock using priming pumps; using booster pumps to prevent vapour-lock
    • F04D9/06—Priming; Preventing vapour lock using priming pumps; using booster pumps to prevent vapour-lock of jet type

Definitions

  • the invention relates to a pump for conveying and degassing a liquid with a pump housing with pump inlet and pump outlet, wherein within the pump housing a pump wheel connected to a drive motor and a nozzle are provided in a degassing.
  • the invention relates to a method for conveying and degassing a liquid, in particular dissolved in water gases, in a pump.
  • a pump with the features of the preamble of claim 1 is made DE 1 653 690 A known.
  • a nozzle is provided within the pump housing, wherein the nozzle is disposed above a float in a degassing chamber.
  • the applicant is a method and an apparatus for degassing in liquid media, in particular gases dissolved in water, known in a vacuum container in which at least one inlet and a drain, the liquid medium is supplied or removed, wherein the supply via at least a nozzle is made, wherein the negative pressure is generated by a pump connected to a control, wherein the controller controls the pump so that due to the power adjustment between the pump, the nozzle, a pressure reducing valve in the inlet, a pressure reducing valve in an opening into the inlet Make-up and a spill valve in the drain downstream of the pump a larger amount of liquid medium is pumped out of the vacuum tank through the drain as flowing through the inlet, wherein the controller shuts off the pump after the suction of the liquid medium until enough liquid medium has flowed through the inlet into the vacuum tank and pushed the gases through a degassing opening from the vacuum tank have been.
  • Out DE 690 26 045 T2 a remplissyersentgasungspumpe is known with which the degassing of a medium flowing through the pump to be achieved.
  • this pump has a very complex design.
  • Out DE 25 34 952 A1 is an arrangement of pump, strainer and degasser for heaters, especially central heating systems, known with a two half-shell pump housing whose half-shells sit against each other and form an inner chamber in which the Pumpenschaufelrad is housed, the housing of the Schmutzfnatureerentgasers having an annular flange, which sits directly on the frame of the engine and wherein the annular flange has such dimensions that it encloses the two half-shells and holds them in position against the frame of the engine.
  • This pump is very expensive, since it has a special pump design compared to conventional heating pumps.
  • the object of the invention is to provide a cost effective and easy to control solution for degassing of liquid media.
  • a conventional pump for example a heating pump
  • the pump housing may be made somewhat larger in order to achieve a good degassing result.
  • This pump is additionally equipped with a nozzle in the pump inlet and with a control device that controls the drive motor of the pump so that a temporary negative pressure is generated in the pump housing, so that the dissolved gases escape from the pump housing to the environment.
  • the degassing principle corresponds in principle to that which is described in detail in EP 0 933 109 B1 the applicant is described.
  • the control device can operate in different ways to control the pump or the drive motor of the pump or to record and take into account different physical quantities.
  • the degassing device also has a pressure sensor arranged in the pump housing, which is connected to the control device.
  • the drive motor is then switched on or off by the control device as a function of the prevailing pressure conditions in the pump housing.
  • the degassing device may further comprise a level sensor arranged in the pump housing, which is connected to the control device. Depending on the level in the pump housing, the drive motor is then also switched on or off by the control device.
  • control device is designed for the time interval-controlled drive of the drive motor, i. After a predetermined time interval, the control device automatically switches the drive motor of the pump on or off.
  • the invention also provides a method for conveying and degassing a liquid, in particular gases dissolved in water, in a pump into which the liquid enters the pump housing via a pump inlet and from which the liquid via a pump outlet emerges from the pump housing, wherein the supply takes place via at least one nozzle arranged in the pump inlet, wherein in the pump housing by a pump connected to a drive motor, a negative pressure is generated, wherein the drive motor is controlled by a control device so that due to the coordination between the drive motor and the nozzle downstream of the pump exhausts a greater amount of liquid from the pump housing through the pump outlet than flows through the pump inlet, the controller shutting off the drive motor of the pump after aspirating the liquid until sufficient liquid is reached fluid has flowed through the pump inlet into the pump housing and the gases have been forced out of the pump housing through a degassing opening.
  • the controller may control the drive motor of the pump in response to various physical quantities.
  • control device controls the drive motor of the pump as a function of the pressure in the pump housing.
  • control device can also control the drive motor of the pump as a function of the fill level in the pump housing.
  • control device In the simplest way, without additional sensors are required, the control device, the drive motor of the pump and after a predetermined time interval on and off.
  • a pump for conveying and degassing a liquid is indicated generally at 1 in the drawing.
  • This pump 1 has a pump housing 2 with an impeller, not shown, which can be driven by a drive motor 3 connected to the pump housing 2.
  • the pump housing 2 is provided with a pump inlet 4 (suction side) and a pump outlet (pressure side), the interior of the pump housing 2 is designated 6.
  • the pump 1 is designed not only for conveying a liquid but also for degassing the same, for which purpose the pump 1 has a degassing device.
  • This degassing device comprises a nozzle 7 arranged in the pump inlet 4 and a control device (not shown) connected to the drive motor 3.
  • the nozzle 7 is arranged in the pump inlet 4 such that a liquid inlet into the interior 6 of the pump housing 2 is possible only through the nozzle 7.
  • the pump 1 described so far differs from a commercially available pump, eg standard heating pump, apart from the course of the design of the control, which will be discussed in more detail below, only through the nozzle 7 and a preferably enlarged pump housing 2, in the interior 6 a sufficiently large To provide space for degassing of the liquid.
  • the pump 1 can be arranged at a suitable location, for example in a heating circuit.
  • the pump inlet 4 is connected via an example motor-operated ball valve 8 with a Nachspeiseast 9 and a spill valve 10.
  • the pump inlet 4 but may also be connected in other ways with the liquid or heating circuit, the pump outlet 5 of the pump 1 is also connected at a suitable location to the heating circuit.
  • the pump 1 further comprises a vent 11, e.g. is provided with a Peilrohrentgasung 12 and a vacuum gauge 13.
  • a pressure sensor 14 which extends into the interior 6 of the pump housing 2 or, alternatively or additionally, a fill level sensor (not shown) is preferably provided, which or the sensors are connected to the control device.
  • the level is designated F in the drawing.
  • the nozzle 7 and the drive motor 3 are coordinated so that when the drive motor 3 and thus the pump starts, a negative pressure in the interior 6 of the pump housing 2 is generated for a certain time.
  • the liquid e.g. Water is sprayed through the nozzle 7 in the pump housing 2 and the gases are separated by the spraying process and the negative pressure in the interior 6 of the liquid.
  • the drive motor is then switched off by the control device, so that normal static pressure is restored in the interior 6 of the pump housing 2 as a result of the subsequent flow of the fluid through the pump inlet 4 and the nozzle 7. As a result, the gases are eliminated through the degassing opening 11 and the Peilrohrentgasung 12.
  • the control device can control the drive motor of the pump and thus the vacuum generation in different ways.
  • the control can take place in dependence on the pressure detected by the pressure sensor 14 in the pump housing 2 or additionally or alternatively depending on the level.
  • a time interval of controlled drive can also be provided.
  • the pump 1 or its drive motor 3 is then automatically cyclically switched on and off.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Degasification And Air Bubble Elimination (AREA)

Claims (8)

  1. Pompe de refoulement et de dégazage d'un liquide avec un carter de pompe (2) avec une entrée de pompe (4) et une sortie de pompe (5), dans laquelle une roue de pompe reliée à un moteur d'entraînement (3) est prévue à l'intérieur du carter de pompe (2) et une buse (7) est prévue dans un dispositif de dégazage, dans laquelle le dispositif de dégazage présente un dispositif de commande relié au moteur d'entraînement (3), qui est configuré pour commander la pompe de sorte que la pompe est automatiquement mise en marche et en arrêt,
    caractérisée en ce
    que l'au moins une buse (7) est agencée dans l'entrée de pompe (4), dans laquelle une entrée de liquide du liquide pas encore dégazé dans un espace intérieur (6) du carter de pompe (2) est seulement possible par la buse (7).
  2. Pompe selon la revendication 1,
    caractérisée en ce
    que le dispositif de dégazage présente en outre un capteur de pression (14) agencé dans le carter de pompe (2), qui est relié au dispositif de commande.
  3. Pompe selon la revendication 1 ou 2,
    caractérisée en ce
    que le dispositif de dégazage présente en outre un capteur de niveau de remplissage agencé dans le carter de pompe (2), qui est relié au dispositif de commande.
  4. Pompe selon la revendication 1, 2 ou 3,
    caractérisée en ce
    que le dispositif de commande est réalisé pour l'entraînement commandé par intervalle de temps du moteur d'entraînement (3).
  5. Procédé de refoulement et de dégazage d'un liquide, en particulier de gaz dissous dans l'eau, dans une pompe, dans laquelle le liquide entre dans le carter de pompe (2) par le biais d'une entrée de pompe (4) et de laquelle le liquide sort du carter de pompe (2) par le biais d'une sortie de pompe (5), dans lequel l'amenée a lieu seulement par le biais d'au moins une buse (7) agencée dans l'entrée de pompe (4), dans lequel une dépression est générée par une roue de pompe reliée à un moteur d'entraînement (3) dans le carter de pompe (2), dans lequel le moteur d'entraînement (3) est commandé par un dispositif de commande de sorte qu'en raison de l'harmonisation entre le moteur d'entraînement (3) et la buse (7) en aval de la pompe, une plus grande quantité de liquide sort du carter de pompe (2) par la sortie de pompe (5) que n'en entre par l'entrée de pompe (4), dans lequel le dispositif de commande coupe le moteur d'entraînement (3) de la pompe après l'aspiration du liquide jusqu'à ce qu'assez de liquide s'est écoulé par l'entrée de pompe (4) dans le carter de pompe (2) et les gaz ont été poussés hors du carter de pompe (2) par une ouverture de dégazage (11).
  6. Procédé selon la revendication 5,
    caractérisé en ce
    que le dispositif de commande commande le moteur d'entraînement (3) de la pompe en fonction de la pression dans le carter de pompe (2).
  7. Procédé selon la revendication 6,
    caractérisé en ce
    que le dispositif de commande commande le moteur d'entraînement (3) de la pompe en fonction du niveau de remplissage dans le carter de pompe (2).
  8. Procédé selon une ou plusieurs des revendications 5 à 7,
    caractérisé en ce
    que le dispositif de commande met le moteur d'entraînement (3) de la pompe en marche et en arrêt après un intervalle de temps prédéfini.
EP11763602.7A 2010-10-06 2011-09-28 Pompe et procédé de refoulement et de dégazage d'un liquide au moyen d'une buse dans une entrée de pompe Active EP2625429B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL11763602T PL2625429T3 (pl) 2010-10-06 2011-09-28 Pompa i sposób tłoczenia i odgazowywania płynu za pomocą dyszy we wlocie pompy

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010047698A DE102010047698B4 (de) 2010-10-06 2010-10-06 Pumpe und Verfahren zur Förderung und Entgasung einer Flüssigkeit
PCT/EP2011/004838 WO2012045404A1 (fr) 2010-10-06 2011-09-28 Pompe et procédé de refoulement et de dégazage d'un liquide au moyen d'une buse dans une entrée de pompe

Publications (2)

Publication Number Publication Date
EP2625429A1 EP2625429A1 (fr) 2013-08-14
EP2625429B1 true EP2625429B1 (fr) 2019-06-12

Family

ID=44719848

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11763602.7A Active EP2625429B1 (fr) 2010-10-06 2011-09-28 Pompe et procédé de refoulement et de dégazage d'un liquide au moyen d'une buse dans une entrée de pompe

Country Status (7)

Country Link
EP (1) EP2625429B1 (fr)
AU (1) AU2011313610C1 (fr)
DE (1) DE102010047698B4 (fr)
DK (1) DK2625429T3 (fr)
EA (1) EA024016B1 (fr)
PL (1) PL2625429T3 (fr)
WO (1) WO2012045404A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT523841B1 (de) * 2020-10-19 2021-12-15 Omicron Electronics Gmbh Vorrichtung und Verfahren zum Entgasen einer Einrichtung und entsprechendes Prüfsystem zur Gasanalyse
EP4511147A1 (fr) 2022-04-20 2025-02-26 Grundfos Holding A/S Système de dégazage de liquide

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0440455A1 (fr) * 1990-02-02 1991-08-07 A. Ahlstrom Corporation Procédé et dispositif pour la séparation de gaz d'une suspension contenant du gaz

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH130519A (de) * 1927-09-14 1928-12-15 Otto Philipp Kreiselpumpe zur Förderung heisser Flüssigkeiten.
GB308442A (en) * 1928-03-02 1929-03-28 Drysdale & Co Ltd Improvements in or relating to centrifugal pumps
US2036713A (en) * 1934-05-10 1936-04-07 Worthington Pump & Mach Corp Pump drain
US2474539A (en) * 1944-02-25 1949-06-28 Goulds Pumps Pumping apparatus
FR1532578A (fr) * 1967-05-31 1968-07-12 Chaffoteaux Et Maury Perfectionnements aux pompes
GB1360478A (en) * 1971-12-20 1974-07-17 Wilkinson Rubber Linatex Ltd Priming device for pumps
FR2281546A1 (fr) 1974-08-08 1976-03-05 Saunier Duval Ensemble pompe-purgeur degazeur pour installations de chauffage central
JPH03182690A (ja) 1989-12-12 1991-08-08 Mitsubishi Oil Co Ltd 気体除去機能付液体流送用回転ポンプ
DE9410317U1 (de) * 1994-06-25 1995-10-26 Viessmann Werke Gmbh & Co, 35108 Allendorf Umwälzpumpe
DE29520422U1 (de) * 1995-12-22 1997-04-30 Speck-Pumpenfabrik Walter Speck KG, 91154 Roth Selbstansaugende tauchfähige Kreiselpumpe
ATE262365T1 (de) 1998-01-28 2004-04-15 Reflex Winkelmann Gmbh & Co Kg Vorrichtung zum entgasen von flüssigen medien
US7578870B2 (en) * 2004-12-17 2009-08-25 Hamilton Sundstrand Corporation Fluid separating device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0440455A1 (fr) * 1990-02-02 1991-08-07 A. Ahlstrom Corporation Procédé et dispositif pour la séparation de gaz d'une suspension contenant du gaz

Also Published As

Publication number Publication date
DK2625429T3 (da) 2019-08-19
EP2625429A1 (fr) 2013-08-14
PL2625429T3 (pl) 2019-11-29
EA201300417A1 (ru) 2013-09-30
EA024016B1 (ru) 2016-08-31
AU2011313610B2 (en) 2014-10-02
DE102010047698A1 (de) 2012-04-12
WO2012045404A1 (fr) 2012-04-12
AU2011313610A1 (en) 2013-03-21
AU2011313610C1 (en) 2015-01-22
DE102010047698B4 (de) 2012-07-12

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