EP0440046B1 - Pompe immergée - Google Patents

Pompe immergée Download PDF

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Publication number
EP0440046B1
EP0440046B1 EP91100539A EP91100539A EP0440046B1 EP 0440046 B1 EP0440046 B1 EP 0440046B1 EP 91100539 A EP91100539 A EP 91100539A EP 91100539 A EP91100539 A EP 91100539A EP 0440046 B1 EP0440046 B1 EP 0440046B1
Authority
EP
European Patent Office
Prior art keywords
pump
valve
chamber
casing
nozzles
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
EP91100539A
Other languages
German (de)
English (en)
Other versions
EP0440046A1 (fr
Inventor
Heinz Zimmermann
Hans J.M. Manteuffel
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.)
Manteuffel Hans JM
ZIMMERMANN, HEINZ
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0440046A1 publication Critical patent/EP0440046A1/fr
Application granted granted Critical
Publication of EP0440046B1 publication Critical patent/EP0440046B1/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
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D7/00—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts
    • F04D7/02—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type
    • F04D7/04—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogenous
    • F04D7/045—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogenous with means for comminuting, mixing stirring or otherwise treating
    • 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
    • F04D13/086—Units comprising pumps and their driving means the pump being electrically driven for submerged use the pump and drive motor are both submerged
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
    • F04D15/0005—Control, e.g. regulation, of pumps, pumping installations or systems by using valves
    • F04D15/0011—Control, e.g. regulation, of pumps, pumping installations or systems by using valves by-pass valves

Definitions

  • the invention relates to a submersible pump with an electrically driven pump impeller mounted below the motor and a housing that surrounds the motor and the impeller, the suction opening (s) being (s) arranged in the outer wall of the housing at or below the impeller lead a suction chamber, and a controllable valve is arranged in the pump delivery line, through which the pump delivery line can be partially or completely closed at times.
  • German utility model application with the same priority, it is proposed to arrange nozzles in the lower area of a submersible pump, from which a part of the pumped medium, in particular water, emerges in order to whirl up the sediments in the pump sump.
  • a constant multiple stream of swirl is generated, which in certain cases is not is always sufficient, since it represents only a partial flow of the total amount conveyed.
  • the object of the invention is to improve a submersible pump of the type mentioned so that a high degree of turbulence of sediments is generated in the space in which the submersible pump is located in a compact design.
  • nozzles branch off from a lowermost chamber, which open on the outside of the pump housing in the lowermost region of the pump housing, and are directed into the pump sump in such a way that the suction chamber lies above the lowermost chamber and below the pump pressure chamber, which is from a passage is crossed, which connects the pump pressure chamber with the chamber from which the nozzles originate.
  • the stacking of the pump chamber, suction chamber and the chamber from which the nozzles originate leads to a particularly compact and simple construction.
  • valve is arranged within the pump housing. It is also advantageous if the valve is controlled by an electronic control device.
  • valve is completely or partially closed for a certain period of time and then opened. In this way, at the beginning of each pump run, it can be ensured that the sediments that have accumulated up to that point are first whirled up, in order to then be safely extracted. Furthermore, it is also advantageous if the valve is closed in the meantime while the pump is running, so that intermittent whirling up of suspended matter can occur as required. It is particularly advantageous here if the frequency and / or duration of the closing of the valve is controlled as a function of the amount of suspended matter in the pump chamber.
  • An electric motor 2 with a vertical drive shaft 3 is fastened in a housing 1 of a submersible pump.
  • An impeller 4 of a centrifugal pump is attached to the underside of the motor shaft 3.
  • the impeller 4 conveys into a pump chamber 5, from which a pressure connection 6 branches upwards, to which the pressure hose can be connected.
  • a coaxial suction nozzle 7 which extends into a suction chamber 8 which is located below the pump chamber 5 and all around in the pump housing wall.
  • a suction chamber 8 which is located below the pump chamber 5 and all around in the pump housing wall.
  • another chamber 10 which is connected via at least one channel or passage 11 to the pump chamber 5 or to the pressure side of the impeller 4, the channel or passage 11 crossing the suction chamber 8, in particular vertically.
  • outlet channels or openings or nozzles 12 are introduced, which open to the side of the pump in the lowest area. The nozzles 12 are thus located below the suction openings 9.
  • the chambers 5, 8 and 10 are thus arranged in layers one above the other, the pressure chamber 10 being at the bottom.
  • nozzles 12 are directed obliquely downwards in order to reach the sediments deposited on the bottom of the pump sump.
  • An optimal alignment of the nozzles is created when the vertical plane running through the respective nozzle axis forms an intersection with the horizontal cross-sectional plane of the pump housing 1, which is circular in horizontal cross-section, which is a tangent or a secant to the pump housing wall that does not run through the center of the circle.
  • the pump housing area forming the chambers 8 and 10 can, as shown in the exemplary embodiment, be unscrewed from the rest of the pump housing in order to achieve separate manufacture, that is to say subsequent attachment.
  • the valve 13 can be completely or partially closed during the pump run in order to allow more or less delivery medium to escape through the nozzles 12. If the pump is only run temporarily, especially at regular intervals, e.g. Whenever the pump chamber is filled up to a certain height, it is advantageous if the valve 13 is closed more or completely at the beginning of the pump run in order to remove the sediments that have been lowered during the standstill of the pump whirl up and thus vacuum safely. In this case, the amount of sediment deposited and / or the proportion of sediment in the medium can be measured by conventional devices using conventional devices and the valve 13 can be controlled accordingly.
  • valve In the case of continuously operating submersible pumps as well as during the operation of periodically operating submersible pumps, the valve can in the meantime be completely or partially closed in order to temporarily increase the turbulence effect as required. Finally, the valve 13 can also be completely or partially closed in regular short sections in order to allow the medium to emerge from the nozzles in a pulsating manner. These in particular oscillating movements of the valve actuator can be controlled particularly precisely by an electronic device.
  • the valve 13 is shown in the exemplary embodiment as a flap valve. Alternatively, other types of valves or shut-off devices can also be arranged. Solenoid valves are particularly advantageous.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Control Of Non-Positive-Displacement Pumps (AREA)
  • Sorption Type Refrigeration Machines (AREA)

Claims (7)

  1. Pompe immergée, avec un rotor de pompe (4) entraîné électriquement, monté au-dessous du moteur, et un carter (1) qui entoure le moteur (2) et le rotor (4), la (les) ouverture(s) d'aspiration (9) étant disposée(s) dans la paroi extérieure du carter (1) à hauteur ou au-dessous du rotor, qui mène(nt) dans une chambre d'aspiration, et une vanne (13) pouvant être commandée étant disposée dans la conduite d'alimentation (6) de la pompe, par laquelle la conduite d'alimentation de la pompe peut être temporairement fermée totalement ou partiellement,
    caractérisée en ce
    - que des ajutages (12) divergent d'une chambre la plus basse (10), qui débouchent à l'extérieur dans la zone la plus basse du carter de pompe et sont dirigées dans le puisard de pompe,
    - que la chambre d'aspiration (8) se trouve au-dessus de la chambre la plus basse (10) et au-dessous de la chambre de compression (5) de la pompe, qui est traversée par un passage (11) qui relie la chambre de compression (5) de la pompe à la chambre (10) de laquelle partent les ajutages (12).
  2. Pompe immergée selon la revendication 1,
    caractérisée en ce que la vanne (13) est disposée à l'intérieur du carter de pompe.
  3. Pompe immergée selon la revendication 1 ou 2,
    caractérisée en ce que la vanne (13) est commandée par un dispositif électronique de commande.
  4. Procédé d'exploitation d'une pompe immergée selon l'une des revendications précédentes,
    caractérisé en ce que, pour le début de la course de la pompe, la vanne (13) est complètement ou partiellement fermée pendant une durée déterminée et est ensuite ouverte.
  5. Procédé d'exploitation d'une pompe immergée selon la revendication 4,
    caractérisé en ce que la vanne (13) est fermée pendant des périodes intermédiaires de la course de la pompe.
  6. Procédé selon la revendication 4 ou 5,
    caractérisé en ce que la fréquence et/ou la durée de la fermeture de la vanne (13) sont commandées en fonction de la quantité de matières en suspension dans le volume de pompage.
  7. Procédé selon l'une des revendications précédentes,
    caractérisé en ce que l'organe de réglage de la vanne est actionné de manière oscillatoire.
EP91100539A 1990-01-29 1991-01-18 Pompe immergée Expired - Lifetime EP0440046B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4002498A DE4002498A1 (de) 1990-01-29 1990-01-29 Tauchpumpe
DE4002498 1990-01-29

Publications (2)

Publication Number Publication Date
EP0440046A1 EP0440046A1 (fr) 1991-08-07
EP0440046B1 true EP0440046B1 (fr) 1994-04-06

Family

ID=6398965

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91100539A Expired - Lifetime EP0440046B1 (fr) 1990-01-29 1991-01-18 Pompe immergée

Country Status (5)

Country Link
EP (1) EP0440046B1 (fr)
AT (1) ATE104021T1 (fr)
DE (2) DE4002498A1 (fr)
DK (1) DK0440046T3 (fr)
ES (1) ES2051034T3 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2799513B1 (fr) 1999-10-12 2002-01-18 Pompes Salmson Sa Pompe domestique autonettoyante
CA2941904C (fr) 2014-03-11 2019-08-20 Pumpeng Pty Ltd Pompe submersible et procede de pompage de fluide
CN107143504A (zh) * 2017-07-07 2017-09-08 三联泵业股份有限公司 一种潜水电泵冷却系统
CN112922841B (zh) * 2021-02-05 2022-01-25 合肥恒大江海泵业股份有限公司 一种带有潜深自适应调节机构的潜水电泵

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE804065C (de) * 1948-10-02 1951-04-16 Klein Schanzlin & Becker Akt G Spuel- und Ruehreinrichtung an Kreiselpumpen fuer Jauche o. dgl.
DE849957C (de) * 1949-01-25 1952-09-18 Ostfriesische Maschinen Und Ge Vertikal-Kreiselpumpe mit Ruehreinrichtung und Pumpenspuelung zum Foerdern von Dickstoffen, Jauche u. dgl.
DE832550C (de) * 1949-06-03 1952-02-25 Allgaier Werkzeugbau G M B H Jauchepumpe mit motorischem Antrieb
DE805007C (de) * 1950-01-31 1951-05-04 Rudolf Flender Zentrifugalpumpe zum Ruehren und Foerdern von Jauche und anderen schlammigen Fluessigkeiten
US2890659A (en) * 1955-05-27 1959-06-16 Haentjens Otto Slurry pump
DE2258234C3 (de) * 1972-11-28 1980-06-04 Hans 8221 Taching Beham Kreiselpumpe für Jauche- oder Schwemmistbehälter
SE416107B (sv) * 1977-03-31 1980-12-01 Sanbergs Industrikonstruktione Reglersett vid en anleggning med rorlig suganordning for sugning av suspenderbart material samt anordning for settets genomforande
DE7739103U1 (de) * 1977-12-22 1978-04-06 Fa. Carl Zeiss, 7920 Heidenheim Eintauchpumpe zur foerderung einer fluessigkeit in der feste partikel suspendiert sind

Also Published As

Publication number Publication date
DE4002498A1 (de) 1991-08-08
ES2051034T3 (es) 1994-06-01
DE59101298D1 (de) 1994-05-11
EP0440046A1 (fr) 1991-08-07
DK0440046T3 (da) 1994-08-08
ATE104021T1 (de) 1994-04-15

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