EP1960608B1 - Installation de relevement d'eaux usees - Google Patents

Installation de relevement d'eaux usees Download PDF

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Publication number
EP1960608B1
EP1960608B1 EP06819027A EP06819027A EP1960608B1 EP 1960608 B1 EP1960608 B1 EP 1960608B1 EP 06819027 A EP06819027 A EP 06819027A EP 06819027 A EP06819027 A EP 06819027A EP 1960608 B1 EP1960608 B1 EP 1960608B1
Authority
EP
European Patent Office
Prior art keywords
tank
waste water
lifting system
container
water lifting
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
EP06819027A
Other languages
German (de)
English (en)
Other versions
EP1960608A1 (fr
Inventor
Jürgen Gröschel
Horst Schreyer
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
Application filed by KSB AG filed Critical KSB AG
Priority to PL06819027T priority Critical patent/PL1960608T3/pl
Publication of EP1960608A1 publication Critical patent/EP1960608A1/fr
Application granted granted Critical
Publication of EP1960608B1 publication Critical patent/EP1960608B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • F04D15/02—Stopping of pumps, or operating valves, on occurrence of unwanted conditions
    • F04D15/0209—Stopping of pumps, or operating valves, on occurrence of unwanted conditions responsive to a condition of the working fluid
    • F04D15/0218—Stopping of pumps, or operating valves, on occurrence of unwanted conditions responsive to a condition of the working fluid the condition being a liquid level or a lack of liquid supply

Definitions

  • the invention relates to a wastewater lifting plant with a collecting container for liquids, especially sewage, faeces or the like, with a device for emptying the container, in particular a pump connected to a motor, which is arranged as a motor pump unit completely or partially lowered in the container, the container has at least one each inlet and outlet line for the liquids and sewage lifting plant is provided with a device for switching the pump in response to a liquid level within the container.
  • Such sewage lifting systems are often used as Klakalienhebeanlagen application and are used in buildings and facilities when a wastewater to be pumped below a so-called backwater level.
  • the backflow level is usually a height level of an external sewer system located outside a building under a road.
  • means are needed to monitor the level of liquid within the container to ensure timely starting and stopping of the pump.
  • Such a wastewater lifting plant for collecting and pumping out dirty water.
  • the wastewater lifting plant has a collecting container and a motor pump unit located therein, which receives its switching signals by a pneumatic control bell.
  • This is a pitot tube whose volume of air trapped as the contents of a container rise and thus creates a static pressure in the pitot tube.
  • This pressure is detected by a pressure sensor and its value is converted into a filling level of the respective container.
  • dynamic pressure systems which exist in a variety of forms, are susceptible to being within the container Dirty water and its components.
  • the DE-A-31 13 903 discloses the features according to the preamble of claim 1.
  • the invention is therefore based on the problem to develop a level detection, reliably detected by the level in the tank problems and can be dispensed with elaborate, exposed to the liquid additional protective devices.
  • the solution to the problem provides that one or more sensors are arranged on the outside of the resilient container bottom surface and measure their deformation.
  • the problem of polluting level sensors is easily avoided. Since the sensors detecting the degree of deformation of a container bottom part are mounted on the outside of the container, they are completely removed from the harmful effects of a wastewater. By arranging the container bottom part with a distance to a footprint for the sewage lifting unit, a cavity is formed therebetween. This cavity is at the same time a protective space for the external sensors in relation to external mechanical ones Influences and prevents damage to the resilient container bottom part.
  • the container bottom or a partial surface thereof are designed so that at least one sensor is arranged at a container bottom measuring point, at which an evaluable deformation occurs at the maximum filled container. Likewise, it is provided that at least one sensor is arranged at a container bottom measuring point, at which an evaluable deformation occurs at minimally filled container.
  • the generation of sensor signals is ensured with which reliably the necessary switch-on, shutdown or alarm points of a wastewater lifting plant or the associated pump and the dependence on the respective level in the container can be detected.
  • the maximum deformation occurring at a measuring point of a loading container is within the respective permissible material values. This is achieved by a corresponding shaping of the container bottom or a part thereof.
  • an elastically yielding element sealingly and flexibly held and to connect with at least one sensor.
  • a sensor signal on a respective level is processed by the known evaluation of such wastewater lifting systems for a pump control.
  • one or more sensors are mounted interchangeable. This can be done by means of simple snap or clamp connections and simplifies the production while easy replacement of a sensor in a possible maintenance case.
  • FIG. 1 is a cross section through a building shown in the basement of a sanitary facility is shown.
  • a sewage lifting plant 1 the sewage of the sanitary device and other liquids to be disposed of flow and are collected in it until a sufficiently high level for a case by case promotion is achieved.
  • the sewage lifting plant consists of a liquid and odor-tight container 2 and a sealingly arranged therein pump 3 in the form of a motor pump unit, which is designed for the trouble-free promotion of such liquids.
  • Via a feed line 4 a waste water is introduced into the container 2 and conveyed via a drain line 5 in the form of a pressure line via a backflow level 6, to drain from there into a sewer system 7.
  • such a container 2 is provided with a - not shown - ventilation, whereby a gas removal is achieved and the emergence of a .Über horres in the container 2 is prevented.
  • a ventilation connection is usually led over the roof of a building in order to avoid odor nuisance.
  • the Fig. 2 shows an enlarged view of a side view of such a sewage lifting plant according to the prior art.
  • the collecting the waste water tank 2 is hermetically sealed to prevent their escape and odors in a building.
  • the container 2 is connected to a supply line 4 and a drain line 5, wherein in the latter a check valve 8 and a check valve 9 are arranged.
  • Partially immersed in the container 2 is an electrically driven pump 3. It delivers into the drain line 5 and is always turned on only when needed. For this purpose, it is connected to a switching device 10 for controlling and monitoring the operation of such a wastewater lifting plant.
  • a float switch 11 is shown in dashed representation as prior art. With such arranged within the container 2 float switch a signal is transmitted to the switching device 10 upon reaching three tank-level container levels shown P A , P E and A and triggered by this a switching function for the wastewater lifting plant.
  • the lowest line P A stands for the switching function "pump off”.
  • the pivotally mounted float switch then hangs down. Moving with increasing liquid level the float upwards until it reaches a switching position at a container level P E , which corresponds to the switching function "pump on” and has a switching on of the pump by the switching device 10 result. And when the upper, third tank level A, an impermissible operating state, is reached, an alarm function is triggered.
  • the alarm function prevents flooding of the basement rooms by a backflow and an exit from the inlets of the connected equipment. This condition may occur even if the pump fails. It is therefore important to ensure a constant functional readiness of such a float switch arranged inside the container.
  • the Fig. 3 shows, however, as an improvement of the previous solutions an enlarged section of the container 2 in the form of a cross section through a container bottom 12.
  • the bottom 12 of the container 2 has a portion 12.1, which is arranged above and at a distance to a mounting plane 13 for the sewage lifting system is characterized formed between the mounting plane 13 and the resting thereon with the bottom surface 12 container 2 a completely or partially closed cavity 16. This shields the resilient portion 12.1 of the container bottom 12 from external influences.
  • the portion 12.1 of the container bottom 12 is elastically yielding and on its outer side 14, one or more sensors 15 are arranged. The distance between the sensor 15 mounted at the lowest point and the mounting plane 13 is dimensioned so large that upon complete filling of a container 2, contact with the mounting plane 13 is reliably avoided.
  • the respective degree of filling of a container 2 acts in the form of a liquid column deforming on the elastically yielding part surface 12.1. Its respective degree of deformation detected at least one outer sensor 15. Its signal is converted by means of the switching device 10 in a level signal, displayed and / or used to control the pump 3.
  • the container bottom surface Due to an adjusting within the container liquid level and the resulting liquid column, the container bottom surface is deformed or deflected differently. The orders of magnitude of these deformations are within the permissible values of the material used for the container 2.
  • strain acting which are used as a direct measure of the level within the container 2. Since the sensor 15 is arranged in a cavity 16 which is formed between the mounting plane 13 and the container bottom part 12.1, which is raised in contrast thereto, an additional protection space for the sensor 15 results.
  • the signal lines of the sensor 15, which are not shown here, are also completely outside the sewage lifting unit and are therefore easy to connect to the switching device 10.
  • the usual cable bushings in the container 2 thus eliminated completely. This provides an additional safety feature for safe operation.
  • the Fig. 4 shows another embodiment of the bottom surface 12.
  • the resilient container bottom part 12.1 additionally designed an elastically yielding container bottom part 12.2 as a liquid-tight membrane used.
  • This container bottom part 12.2 may be made of a rubber material, may be formed as a plate made of an elastic plastic, designed as a metallic membrane or as a combination of such materials.
  • the respective liquid level in the container 2 deflects the container bottom part 12. 2 in the direction of the outside 14.
  • Fig. 5 shows the arrangement of the sensor 15 in a replaceable designed housing 17, which may be secured by known means 18 on the container bottom part 12.1. In the embodiment shown, it also serves for fastening the container bottom part 12.2. And the sensor 15 may be designed as an inductive system for a displacement measurement or as a piezo-quartz for a pressure measurement.

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Sewage (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Level Indicators Using A Float (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Control Of Non-Electrical Variables (AREA)
  • Control Of Non-Positive-Displacement Pumps (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Processing Of Solid Wastes (AREA)

Claims (6)

  1. Installation de relèvement d'eaux usées comprenant un récipient collecteur (2) pour liquides, en particulier des eaux usées, des matières fécales ou similaires, comprenant un dispositif pour vider le récipient, en particulier une pompe (3) connectée à un moteur, qui est disposée en tant qu'unité de pompe à moteur de manière complètement ou partiellement enfoncée dans le récipient (2), le récipient (2) disposant d'au moins une conduite d'amenée et de sortie respective (4, 5) pour les liquides et l'installation de relèvement d'eaux usées étant pourvue d'un dispositif (10) pour commuter le dispositif pour vider le récipient en fonction d'un niveau de liquide à l'intérieur du récipient (2), le fond du récipient (12) ou au moins une surface partielle (12.1, 12.2) du fond du récipient (12) étant réalisé(e) de manière élastiquement flexible en fonction du niveau de remplissage du récipient, caractérisée en ce qu'un ou plusieurs capteurs (15) sont disposés sur le côté extérieur (14) de la surface élastiquement flexible (12.1, 12.2) du fond du récipient et mesurent sa déformation.
  2. Installation de relèvement d'eaux usées selon la revendication 1, caractérisée en ce que la partie élastiquement flexible (12.1, 12.2) du fond du récipient est disposée à distance d'une surface de montage.
  3. Installation de relèvement d'eaux usées selon la revendication 1 ou 2, caractérisée en ce qu'au moins un capteur (15) est disposé en un point de mesure du fond du récipient, sur lequel se produit une déformation analysable lorsque le récipient est rempli au maximum.
  4. Installation de relèvement d'eaux usées selon la revendication 1, 2 ou 3, caractérisée en ce qu'au moins un capteur (15) est disposé en un point de mesure du fond du récipient, sur lequel se produit une déformation analysable lorsque le récipient est rempli au minimum.
  5. Installation de relèvement d'eaux usées selon la revendication 4, caractérisée en ce qu'un élément élastiquement flexible (12.1, 12.2) est maintenu de manière étanche et flexible dans le fond du récipient (12), et est connecté à au moins un capteur (15).
  6. Installation de relèvement d'eaux usées selon l'une quelconque des revendications 1 à 5, caractérisée en ce qu'un ou plusieurs capteurs (15) sont fixés de manière remplaçable.
EP06819027A 2005-12-17 2006-12-13 Installation de relevement d'eaux usees Active EP1960608B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL06819027T PL1960608T3 (pl) 2005-12-17 2006-12-13 Instalacja podnosząca ścieki

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005060556A DE102005060556A1 (de) 2005-12-17 2005-12-17 Abwasserhebeanlage
PCT/EP2006/011966 WO2007068455A1 (fr) 2005-12-17 2006-12-13 Installation de relevement d'eaux usees

Publications (2)

Publication Number Publication Date
EP1960608A1 EP1960608A1 (fr) 2008-08-27
EP1960608B1 true EP1960608B1 (fr) 2009-02-11

Family

ID=37766351

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06819027A Active EP1960608B1 (fr) 2005-12-17 2006-12-13 Installation de relevement d'eaux usees

Country Status (12)

Country Link
US (1) US20080310968A1 (fr)
EP (1) EP1960608B1 (fr)
CN (1) CN101331279B (fr)
AT (1) ATE422585T1 (fr)
AU (1) AU2006326327B2 (fr)
BR (1) BRPI0617123B1 (fr)
DE (2) DE102005060556A1 (fr)
DK (1) DK1960608T3 (fr)
ES (1) ES2319820T3 (fr)
PL (1) PL1960608T3 (fr)
RU (1) RU2374400C1 (fr)
WO (1) WO2007068455A1 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2447429B1 (fr) * 2010-10-27 2014-06-25 Kessel AG Fermeture de retenue
EP2489802B1 (fr) * 2011-02-16 2014-07-16 Grundfos Management a/s Installation de relèvement d'eaux usées
EP2489800B1 (fr) * 2011-02-16 2016-08-17 Grundfos Management a/s Installation de relèvement d'eaux usées
EP2489799B1 (fr) * 2011-02-16 2014-08-20 Grundfos Management a/s Installation de relèvement d'eaux usées
EP2573286A1 (fr) * 2011-09-22 2013-03-27 Grundfos Holding A/S Installation de relèvement d'eaux usées
EP2573285B1 (fr) * 2011-09-22 2013-10-16 Grundfos Holding A/S Installation de relèvement d'eaux usées
DE102012007859B4 (de) 2012-04-19 2013-12-12 Gerhard Heiduk Abwasserhebeanlage, Sicherungseinrichtung hierfür und Verfahren zum Betreiben
DE102015204075A1 (de) * 2015-03-06 2016-09-08 Ksb Aktiengesellschaft Kunststoffbehälter mit strömungsführendem Bauteil
DE102018207257A1 (de) * 2018-05-09 2019-11-14 KSB SE & Co. KGaA Verfahren zum Betrieb einer Abwasserhebeanlage
CN109020084A (zh) * 2018-09-03 2018-12-18 黄国治 污水处理装置和污水提升系统
CN110192830A (zh) * 2019-06-17 2019-09-03 珠海格力电器股份有限公司 一种液位检测结构、液位检测方法及洗碗机

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3070021A (en) * 1960-08-10 1962-12-25 Kenco Pump Divisions Of The Am Adjustable high turn-on control
SE429664B (sv) * 1979-04-11 1983-09-19 Electrolux Ab Anordning vid uppsamlingsbehallare i vakuumavloppssystem
DE3113903C2 (de) * 1981-04-07 1985-05-09 Werner Dipl.-Ing. 2800 Bremen Fass Vorrichtung zur Vakuumabsaugung von Flüssigkeiten
US4919343A (en) * 1989-09-25 1990-04-24 Environment/One Corporation Anti-flooding sewage grinder pump liquid level control system in separately mounted canister
US5152670A (en) * 1990-04-19 1992-10-06 Waldecker Donald E Sump system
SE506889C2 (sv) * 1995-10-06 1998-02-23 Flygt Ab Itt Avloppspumpstation för två pumpar, upphängda i kopplingsfötter
FR2741825B1 (fr) * 1995-11-30 1999-04-30 Derwent Ind Bv Broyeur electrique de vidange
CN2396117Y (zh) * 1999-11-01 2000-09-13 祝丹 密封式污水提升输送装置
US7270174B2 (en) * 2003-12-16 2007-09-18 International Business Machines Corporation Method, system and program product for automatically checking coolant loops of a cooling system for a computing environment

Also Published As

Publication number Publication date
DE502006002856D1 (de) 2009-03-26
PL1960608T3 (pl) 2009-07-31
DK1960608T3 (da) 2009-05-25
BRPI0617123B1 (pt) 2017-03-21
BRPI0617123A2 (pt) 2011-07-12
ES2319820T3 (es) 2009-05-12
ATE422585T1 (de) 2009-02-15
US20080310968A1 (en) 2008-12-18
WO2007068455A1 (fr) 2007-06-21
EP1960608A1 (fr) 2008-08-27
AU2006326327B2 (en) 2011-03-03
RU2374400C1 (ru) 2009-11-27
CN101331279B (zh) 2012-05-30
DE102005060556A1 (de) 2007-08-16
CN101331279A (zh) 2008-12-24
AU2006326327A1 (en) 2007-06-21

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