EP1273728B1 - Dispositif de levage d'eaux usées avec conduit d'aspiration situé en point bas - Google Patents

Dispositif de levage d'eaux usées avec conduit d'aspiration situé en point bas Download PDF

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Publication number
EP1273728B1
EP1273728B1 EP20020012586 EP02012586A EP1273728B1 EP 1273728 B1 EP1273728 B1 EP 1273728B1 EP 20020012586 EP20020012586 EP 20020012586 EP 02012586 A EP02012586 A EP 02012586A EP 1273728 B1 EP1273728 B1 EP 1273728B1
Authority
EP
European Patent Office
Prior art keywords
pipe section
pump
lifting device
sewage lifting
sewage
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
EP20020012586
Other languages
German (de)
English (en)
Other versions
EP1273728A2 (fr
EP1273728A3 (fr
Inventor
Olaf Klare
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.)
Wilo SE
Original Assignee
Wilo 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
Application filed by Wilo AG filed Critical Wilo AG
Publication of EP1273728A2 publication Critical patent/EP1273728A2/fr
Publication of EP1273728A3 publication Critical patent/EP1273728A3/fr
Application granted granted Critical
Publication of EP1273728B1 publication Critical patent/EP1273728B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F5/00—Sewerage structures
    • E03F5/22—Adaptations of pumping plants for lifting sewage

Definitions

  • the invention relates to a sewage lifting plant, comprising a feed pump, in particular a centrifugal pump, with a suction opening and a pressure opening, wherein the pump is held by a holding device, that the suction opening is located at a distance above the bottom of a wastewater tank of the sewage lifting plant wherein the pump is controllable by a level control device so that it turns on reaching a first predetermined or adjustable level height of the wastewater and either on reaching a second predetermined or adjustable level height of the wastewater or after a predetermined time off, and wherein a pipe section is provided at the suction opening, the first end of which opens in a sealed manner into the suction opening of the pump and whose second or free end is closer to the bottom of the waste water tank than the suction opening.
  • Such sewage lifting plants are well known. They are controlled by various level control systems, by which the pump is turned on or off when certain levels are reached. In the sense of an optimal mode of operation, the largest possible switching volume is sought, which is generally achieved by the largest possible base area of the waste water container and / or by the highest possible volume Start level and / or the lowest possible shutdown can be achieved.
  • Object of the present invention is therefore to provide a structurally simple, inexpensive to produce and easy to handle sewage lifting plant of the type mentioned that allows a very low switching volume at a very low switching level, without restricting the free passage of solids and without the safe Reaching the shutdown level.
  • the flexible bendability of the pipe section facilitates the passage of solids, since the wall of the pipe section can be pushed away at the contact point with solid parts and thus the passage is released.
  • the suction opening is thereby shifted down.
  • the switch-off level can also be shifted down by this amount.
  • the main advantage is that a very low shutdown level is achieved without the risk that the shutdown level due to the intake of air is not achieved and without the free passage of solids is limited.
  • the desired for optimum operation of the sewage lifting plant large switching volume can be achieved without increasing the footprint of the wastewater tank or the height of the Einschaltments.
  • a predetermined switching volume can be achieved even with a relatively small footprint of the wastewater tank and without the risk of suction of air.
  • Due to the flexible design of the pipe section may optionally flow in the wastewater flowing solids push the wall of the pipe section at the contact point, so that the required passage is released, after passing through the solid part, the pipe piece springs back into its original shape.
  • the pipe section consists of an elastomeric material.
  • it may also be formed by a piece of hose.
  • the system of the invention is inexpensive to manufacture with a simple construction and easy to assemble and handle.
  • a particularly simple construction and assembly can be achieved in that the pipe section is inserted positively and / or non-positively in the suction port of the pump.
  • the pipe section can also be firmly bonded to the peripheral areas surrounding the suction opening of the pump, resulting in a particularly secure and tight arrangement of the pipe section.
  • the pipe section extends from the suction opening of the pump in the use position vertically downwards. In this way, a particularly simple lowering of the switch-off can be achieved with low material costs.
  • the diameter of the pipe section is greater than its length.
  • a particularly simple, compact and inexpensive construction can be achieved in that the holding device is formed integrally with the pump housing.
  • the drawing shows a pump 1 of a sewage lifting plant 2 according to the invention, which in the lower part of a non-illustrated Wastewater tank 3 is inserted.
  • the pump 1 is designed as a centrifugal pump with an impeller 4 which rotates about the vertically arranged impeller axis 5.
  • the pump 1 is arranged such that the coaxial with the impeller axis 5 suction port 7 of the pump housing 8 above the bottom 9 of the wastewater tank 3 is located.
  • the pressure port 10 of the pump 1 is located at the upper end of an upwardly bent pressure port eleventh
  • a short blank 12 made of a flexible elastomer material is used according to the invention, which extends coaxially perpendicular downward in the direction of the bottom 9.
  • the pipe section 12 has at its upper first end 13 a collar 14 with an outwardly open annular groove, in which the edge regions of the suction opening 7 of the pump housing 8 eino. In this way, the pipe section 12 is positively and non-positively attached to the pump housing 8.

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Claims (8)

  1. Dispositif de levage d'eaux usées, comprenant une pompe de circulation avec une ouverture d'aspiration (7) et une ouverture de pression (10), ladite pompe étant maintenue par un dispositif de support (6) de telle manière que l'ouverture d'aspiration se trouve à un écartement au-dessus du fond d'un récipient d'eaux usées du dispositif de levage d'eaux usées, la pompe pouvant être réglée par un dispositif de réglage à niveau de telle manière que, dans le cas de l'arrivée à une première hauteur de niveau des eaux usées pouvant être prédéfinie, il se met dans le circuit et, soit dans le cas de l'arrivée à une seconde hauteur de niveau des eaux usées pouvant être prédéfinie soit après écoulement d'un temps pouvant être prédéfini, il se met hors circuit et une pièce tubulaire (12) étant prévue à l'ouverture d'aspiration (7) dont la première extrémité (13) débouche de manière étanchée dans l'ouverture d'aspiration (7) de la pompe (1) et dont la seconde extrémité ou respectivement extrémité libre (15) se trouve plus près sur le fond (9) du récipient d'eaux usées (3) que l'ouverture d'inspiration (7),
    caractérisé par le fait que la pièce tubulaire (12) est souple de manière flexible de telle sorte que le passage de matières solides est facilité du fait que la paroi de la pièce tubulaire (12) peut être pressée à l'écartement au point de contact avec des morceaux de matières solides.
  2. Dispositif de levage d'eaux usées selon la revendication 1,
    caractérisé par le fait est que la pièce tubulaire (12) est constituée d'un matériau en élastomère.
  3. Dispositif de levage d'eaux usées selon la revendication 1 ou 2,
    caractérisé par le fait que la pièce tubulaire (12) est formé par un morceau de tuyau flexible.
  4. Dispositif de levage d'eaux usées selon l'une des revendications précédentes,
    caractérisé par le fait que la pièce tubulaire (12) est emboîtée à fermeture géométrique et/ou par adhérence dans l'ouverture d'aspiration (7) de la pompe (1).
  5. Dispositif de levage d'eaux usées selon l'une des revendications précédentes,
    caractérisé par le fait que la pièce tubulaire (12) est fixée à fermeture de matière dans les zones de bord de la pompe (1) entourant l'ouverture d'aspiration (7).
  6. Dispositif de levage d'eaux usées selon l'une des revendications précédentes,
    caractérisé par le fait que la pièce tubulaire (12) s'étend depuis l'ouverture d'aspiration (7) de la pompe (1), en position d'utilisation, verticalement vers le bas.
  7. Dispositif de levage d'eaux usées selon l'une des revendications précédentes,
    caractérisé par le fait que le diamètre de la pièce tubulaire (12) est plus grand que sa longueur.
  8. Dispositif de levage d'eaux usées selon l'une des revendications précédentes,
    caractérisé par le fait que le dispositif de support (6) est réalisé d'une seule pièce avec le carter (8) de la pompe.
EP20020012586 2001-07-05 2002-06-06 Dispositif de levage d'eaux usées avec conduit d'aspiration situé en point bas Expired - Lifetime EP1273728B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2001132084 DE10132084A1 (de) 2001-07-05 2001-07-05 Abwasser-Hebeanlage mit tiefer Absaugung
DE10132084 2001-07-05

Publications (3)

Publication Number Publication Date
EP1273728A2 EP1273728A2 (fr) 2003-01-08
EP1273728A3 EP1273728A3 (fr) 2004-09-15
EP1273728B1 true EP1273728B1 (fr) 2006-03-01

Family

ID=7690371

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20020012586 Expired - Lifetime EP1273728B1 (fr) 2001-07-05 2002-06-06 Dispositif de levage d'eaux usées avec conduit d'aspiration situé en point bas

Country Status (2)

Country Link
EP (1) EP1273728B1 (fr)
DE (2) DE10132084A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007008692A1 (de) 2007-02-20 2008-08-21 Ksb Aktiengesellschaft Niveauabhängige Steuerung von Pumpen
DE102010060160B4 (de) 2010-10-26 2016-03-24 Aco Severin Ahlmann Gmbh & Co. Kg Oberflächen-Entwässerungsrinne
DE102015010512A1 (de) * 2015-08-12 2017-02-16 Wilo Se Abwassersammelbehälter für eine Abwasserhebeanlage
DE102015010509A1 (de) * 2015-08-12 2017-02-16 Wilo Se Abwassersammelbehälter für eine Abwasserhebeanlage
DE102015010510A1 (de) * 2015-08-12 2017-02-16 Wilo Se Abwassersammelbehälter für eine Abwasserhebeanlage
DE102016225921A1 (de) 2016-12-21 2018-06-21 KSB SE & Co. KGaA Abwasserhebeanlage mit Schneidwerk
LU500240B1 (de) 2021-06-02 2022-12-02 Wilo Se Abwasserkreiselpumpe zur Tiefabsaugung gesammelten Abwassers

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE590848C (de) * 1932-05-28 1934-01-12 Hermann Fischer Fluessigkeits-Foerdervorrichtung
DE1922484U (de) * 1965-06-23 1965-08-26 Herborner Pumpenfabrik J H Hof Tauchpumpenaufhaengungsvorrichtung in faekalienbehaeltern.
DE1609166B1 (de) * 1966-07-19 1970-07-09 Wilfried Strate Abwasserhebewerk
DE2404685A1 (de) * 1974-02-01 1975-08-14 Abs Pumps Ltd Aborteinrichtung
FI57667C (fi) * 1974-10-10 1980-09-10 Waertsilae Oy Ab Automatisk styranordning
DE7906936U1 (de) * 1979-03-13 1979-06-07 Jung-Pumpen Jung & Co, 4803 Steinhagen Abwasserhebeanlage

Also Published As

Publication number Publication date
EP1273728A2 (fr) 2003-01-08
EP1273728A3 (fr) 2004-09-15
DE10132084A1 (de) 2003-01-16
DE50205904D1 (de) 2006-05-04

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