EP0756040B1 - Waste water lifting device - Google Patents

Waste water lifting device Download PDF

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Publication number
EP0756040B1
EP0756040B1 EP96110930A EP96110930A EP0756040B1 EP 0756040 B1 EP0756040 B1 EP 0756040B1 EP 96110930 A EP96110930 A EP 96110930A EP 96110930 A EP96110930 A EP 96110930A EP 0756040 B1 EP0756040 B1 EP 0756040B1
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EP
European Patent Office
Prior art keywords
waste water
tank
lifting installation
installation according
disposed
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
EP96110930A
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German (de)
French (fr)
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EP0756040A1 (en
Inventor
Stephan Dipl.-Ing. Schreckenberg
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 GmbH
Original Assignee
Wilo GmbH
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Filing date
Publication date
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Publication of EP0756040A1 publication Critical patent/EP0756040A1/en
Application granted granted Critical
Publication of EP0756040B1 publication Critical patent/EP0756040B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • 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 with a first connection for heavily polluted wastewater, especially with faeces and with at least one second connection for less polluted wastewater, especially for waste water from baths, showers, sinks and Bidet, the waste water being collected in a container from which the wastewater is pumped into a connected pressure pipe is promoted as soon as the Water level in the tank exceeded a certain level Has.
  • Feces lifting systems are known, as in DE-U-8 805 886, on which, in addition to toilets also showers, bidets and hand basins connected are.
  • the showers, bidets and Hand wash basin only above the highest possible Connected to a backflow of water To prevent fecal matter in this.
  • the object of the invention is to provide a sewage lifting plant, especially for faeces of the type mentioned at the beginning to improve such that an enema with less Load, especially from showers, are lower can be the inlet of heavily polluted wastewater, especially of toilets.
  • This task will. solved according to the invention in that a second one for less polluted wastewater Collection container is arranged, the second connection which is lower than the maximum Water level in the first tank and that a second pump the water from the second tank into the first tank promotes.
  • Wastewater lifting plant can in particular as Faeces lifting system installed in low basements be arranged with a shower in the basement can without causing slope problems.
  • the sewage lifting plant according to the invention of simpler Construction, safe working and lighter Handling.
  • the bottom of the second container lower than the bottom of the first Container.
  • the second container be arranged below the first container.
  • the wheels of the two Pumps are driven by a single motor.
  • the motor axis can be horizontal or vertical be arranged. It is also an advantage if the impellers of the two pumps on a single one Drive shaft of an electric motor sit.
  • a cutting device of the single electric motor in particular a cutting knife is attached, which from first connection incoming solids crushed.
  • This can be between the first connection and the first container a chamber can be arranged in which the Cutting device rotates.
  • the wastewater lifting plant has a first upper one Collection container 12 on, with a lower bottom 17 and an upper ventilation opening 6.
  • the container 12 has a connection 5 for more polluted waste water, especially from a toilet.
  • This connection 5 leads to a via a manifold 19 Cutting device 10, which at the upper end of a shaft 11th is attached.
  • a manifold 19 Cutting device 10 which at the upper end of a shaft 11th is attached.
  • To the side of the rotating knife Cutting device 10 has the lower end of the Krümmers 19 openings 10a through which the heavily loaded Waste water can escape into the container 12.
  • Waste water outlet opening 20 arranged to the inlet of a Motor centrifugal pump 21 leads.
  • the pump chamber of the pump 21 has an inlet connected to the outlet opening 20 22 and an outlet 23.
  • the outlet 23 leads to Pressure port 4 of the sewage lifting plant, the one Check valve 8 has.
  • the impeller 2 of the pump 21 is on the shaft 11 attached, on which also the knife of the cutting device 10 is attached, between the cutting device 10 and the impeller. 2 the motor driving the shaft 1 is arranged on the bottom 17 of the container 12th stands.
  • a second collection container 16 attached, the same footprint as the first Has container 12 and a much lower height than the first container, the bottom 18 of the second container 16 being lower than the bottom 17 of the first container 12.
  • the second container 16 is separated from the first container 12 by the bottom 17, through which the vertical shaft 11 down runs through and there through a sealing ring is sealed.
  • a second impeller 3 of a second centrifugal pump attached, which is located within the second container 16.
  • the inlet of the second pump 24 sucks the water out of the second container 16 and the outlet of the second pump promotes this less polluted wastewater via a vertical pressure line 14 into the first container 12, the end of the pressure line 14 is higher than that maximum water level 13 of the first tank and a Check valve 9 has.
  • the second collecting container 16 is loaded less Waste water supplied via a connection 7, the lower lies as the connection 5 and on the facilities like shower, bidet or hand basin are connected.
  • Control device in particular a sensor with which the height the water level is determined to the electrical Switch drive motor 1 on and off.

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)
  • Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
  • Sanitary Device For Flush Toilet (AREA)

Description

Die Erfindung betrifft eine Abwasserhebeanlage mit einem ersten Anschluß für stark belastetes Abwasser, insbesondere mit Fäkalien und mit mindestens einem zweiten Anschluß für geringer belastetes Abwasser, insbesondere für Abwasser von Bad, Dusche, Waschbecken und Bidet, wobei das Abwasser in einem Behälter gesammelt wird, aus dem das Abwasser durch eine Pumpe in ein angeschlossenes Druckrohr gefördert wird, sobald der Wasserstand im Behälter eine bestimmte Höhe überschritten hat.The invention relates to a sewage lifting plant with a first connection for heavily polluted wastewater, especially with faeces and with at least one second connection for less polluted wastewater, especially for waste water from baths, showers, sinks and Bidet, the waste water being collected in a container from which the wastewater is pumped into a connected pressure pipe is promoted as soon as the Water level in the tank exceeded a certain level Has.

Es sind Fäkalienhebeanlagen wie in DE-U-8 805 886 bekannt, an denen neben WC's auch Duschen, Bidets und Handwaschbecken angeschlossen sind. Hierbei dürfen die Duschen, Bidets und Handwaschbecken nur oberhalb des höchstmöglichen Wasserstandes angeschlossen sein, um ein Zurückfließen von Fäkalien in diese zu verhindern. Feces lifting systems are known, as in DE-U-8 805 886, on which, in addition to toilets also showers, bidets and hand basins connected are. The showers, bidets and Hand wash basin only above the highest possible Connected to a backflow of water To prevent fecal matter in this.

Nachteilig ist, daß der geforderte hohe Einlauf bei Aufstellung von Duschen, insbesondere in niedrigen Kellern kaum möglich ist, da die Duschen mit natürlichem Gefälle abgeleitet: werden müssen.The disadvantage is that the required high enema Installation of showers, especially in low Basement is hardly possible since the showers are natural Gradients derived: must be.

Aufgabe der Erfindung ist es, eine Abwasserhebeanlage, insbesondere für Fäkalien der eingangs genannten Art derart zu verbessern, daß ein Einlauf mit geringer Belastung, insbesondere von Duschen niedriger liegen kann als der Einlauf von stark belastetem Abwasser, insbesondere von WC's.The object of the invention is to provide a sewage lifting plant, especially for faeces of the type mentioned at the beginning to improve such that an enema with less Load, especially from showers, are lower can be the inlet of heavily polluted wastewater, especially of toilets.

Diese Aufgabe wird. erfindungsgemäß dadurch gelöst, daß für geringer belastetes Abwasser ein zweiter Sammelbehälter angeordnet ist, der den zweiten Anschluß aufweist, der niedriger liegt als der maximale Wasserstand im ersten Behälter, und daß eine zweite Pumpe das Wasser des zweiten Behälters in den ersten Behälter fördert.This task will. solved according to the invention in that a second one for less polluted wastewater Collection container is arranged, the second connection which is lower than the maximum Water level in the first tank and that a second pump the water from the second tank into the first tank promotes.

Hierdurch können ein Anschluß oder mehrere Anschlüsse mit niedriger belastetem Abwasser, insbesondere von einer Dusche wesentlich tiefer an der Abwasserhebeanlage angeschlossen werden als ein Anschluß mit stark belastetem Abwasser, insbesondere von einem WC. Die Abwasserhebeanlage kann damit insbesondere als Fäkalienhebeanlage in niedrigen Kellern eingebaut werden, wobei auch eine Dusche im Keller angeordnet sein kann, ohne zu Gefälle-Problemen zu führen. Hierbei ist die erfindungsgemäße Abwasserhebeanlage von einfacher Konstruktion, sicherer Arbeitsweise und leichter Handhabung.This allows one connection or several connections with less polluted wastewater, especially from a shower much lower on the sewage lifting unit can be connected as a connection with strong contaminated wastewater, especially from a toilet. The Wastewater lifting plant can in particular as Faeces lifting system installed in low basements be arranged with a shower in the basement can without causing slope problems. Here is the sewage lifting plant according to the invention of simpler Construction, safe working and lighter Handling.

Vorzugsweise wird vorgeschlagen, daß der Boden des zweiten Behälters niedriger als der Boden des ersten Behälters liegt. Hierbei kann der zweite Behälter unterhalb des ersten Behälters angeordnet sein.It is preferably proposed that the bottom of the second container lower than the bottom of the first Container. Here, the second container be arranged below the first container.

Besonders vorteilhaft ist es, wenn die Laufräder der zwei Pumpen von einem einzigen Motor angetrieben sind. Hierbei kann die Motorachse horizontal oder auch vertikal angeordnet sein. Auch ist es hierbei von Vorteil, wenn die Laufräder der zwei Pumpen auf einer einzigen Antriebswelle eines Elektromotors sitzen.It is particularly advantageous if the wheels of the two Pumps are driven by a single motor. The motor axis can be horizontal or vertical be arranged. It is also an advantage if the impellers of the two pumps on a single one Drive shaft of an electric motor sit.

Besonders vorteilhaft ist es, wenn auf der Antriebswelle des einzigen Elektromotors eine Schneideinrichtung, insbesondere ein Schneidmesser befestigt ist, das die vom ersten Anschluß ankommenden Feststoffe zerkleinert. Hierbei kann zwischen erstem Anschluß und erstem Behälter eine Kammer angeordnet sein, in der die Schneideinrichtung rotiert.It is particularly advantageous if on the drive shaft a cutting device of the single electric motor, in particular a cutting knife is attached, which from first connection incoming solids crushed. This can be between the first connection and the first container a chamber can be arranged in which the Cutting device rotates.

Vorzugsweise wird vorgeschlagen, daß in beiden Behältern je eine den Wasserstand ermittelnde Vorrichtung angeordnet ist, die bei Erreichen einer bestimmten Wasserhöhe den Pumpenmotor einschaltet.It is preferably proposed that in both containers one device each for determining the water level is arranged when reaching a certain Water level switches on the pump motor.

Von Vorteil ist es, wenn die Förderleitung von dem zweiten Behälter zum ersten Behälter einen Rückflußverhinderer insbesondere ein Rückschlagventil aufweist.It is advantageous if the delivery line from the second container to the first container Backflow preventer, in particular a check valve having.

Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung in einem senkrechten Schnitt dargestellt und wird im folgenden näher beschrieben.An embodiment of the invention is in the Drawing shown in a vertical section and is described in more detail below.

Die Abwasserhebeanlage weist einen ersten oberen Sammelbehälter 12 auf, mit einem unteren Boden 17 und einer oberen Be- und Entlüftungsöffnung 6. Im oberen Bereich besitzt der Behälter 12 einen Anschluß 5 für stärker belastetes Abwasser, insbesondere von einem WC. Dieser Anschluß 5 führt über einen Krümmer 19 zu einer Schneideinrichtung 10, die am oberen Ende einer Welle 11 befestigt ist. Seitlich des rotierenden Messers der Schneideinrichtung 10 besitzt das untere Ende des Krümmers 19 Öffnungen 10a, durch die das stark belastete Abwasser in den Behälter 12 austreten kann.The wastewater lifting plant has a first upper one Collection container 12 on, with a lower bottom 17 and an upper ventilation opening 6. In the upper Area the container 12 has a connection 5 for more polluted waste water, especially from a toilet. This connection 5 leads to a via a manifold 19 Cutting device 10, which at the upper end of a shaft 11th is attached. To the side of the rotating knife Cutting device 10 has the lower end of the Krümmers 19 openings 10a through which the heavily loaded Waste water can escape into the container 12.

Im Boden 17 des Behälters 12 ist eine Abwasserauslaßöffnung 20 angeordnet, die zum Einlaß einer Motorkreiselpumpe 21 führt. Die Pumpenkammer der Pumpe 21 besitzt einen mit der Auslaßöffnung 20 verbundenen Einlaß 22 und einen Auslaß 23. Der Auslaß 23 führt zum Druckstutzen 4 der Abwasserhebeanlage, der eine Rückschlagklappe 8 besitzt.In the bottom 17 of the container 12 is one Waste water outlet opening 20 arranged to the inlet of a Motor centrifugal pump 21 leads. The pump chamber of the pump 21 has an inlet connected to the outlet opening 20 22 and an outlet 23. The outlet 23 leads to Pressure port 4 of the sewage lifting plant, the one Check valve 8 has.

Das Laufrad 2 der Pumpe 21 ist auf der Welle 11 befestigt, auf der auch das Messer der Schneideinrichtung 10 befestigt ist, wobei zwischen der Schneideinrichtung 10 und dem Laufrad. 2 der die Welle antreibende Motor 1 angeordnet ist, der auf dem Boden 17 des Behälters 12 steht.The impeller 2 of the pump 21 is on the shaft 11 attached, on which also the knife of the cutting device 10 is attached, between the cutting device 10 and the impeller. 2 the motor driving the shaft 1 is arranged on the bottom 17 of the container 12th stands.

Unterhalb des Behälters 12 ist ein zweiter Sammelbehälter 16 befestigt, der die gleiche Grundfläche wie der erste Behälter 12 besitzt und eine wesentlich geringere Höhe als der erste Behälter aufweist wobei der Boden 18 des zweiten Behälters 16 niedriger als der Boden 17 des ersten Behälters 12 liegt. Der zweite Behälter 16 ist vom ersten Behälter 12 durch den Boden 17 getrennt, durch den die senkrechte Welle 11 nach unten hindurchverläuft und dort durch einen Dichtring abgedichtet ist. Am untersten Ende der Welle 11 ist ein zweites Laufrad 3 einer zweiten Kreiselpumpe befestigt, die sich innerhalb des zweiten Behälters 16 befindet. Der Einlaß der zweiten Pumpe 24 saugt das Wasser aus dem zweiten Behälter 16 an und der Auslaß der zweiten Pumpe fördert dieses geringer belastete Abwasser über eine senkrechte Druckleitung 14 in den ersten Behälter 12, wobei das Ende der Druckleitung 14 höher liegt als der maximale Wasserstand 13 des ersten Behälters und ein Rückschlagventil 9 besitzt.Below the container 12 is a second collection container 16 attached, the same footprint as the first Has container 12 and a much lower height than the first container, the bottom 18 of the second container 16 being lower than the bottom 17 of the first container 12. The second container 16 is separated from the first container 12 by the bottom 17, through which the vertical shaft 11 down runs through and there through a sealing ring is sealed. At the lowest end of the shaft 11 is a second impeller 3 of a second centrifugal pump attached, which is located within the second container 16. The The inlet of the second pump 24 sucks the water out of the second container 16 and the outlet of the second pump promotes this less polluted wastewater via a vertical pressure line 14 into the first container 12, the end of the pressure line 14 is higher than that maximum water level 13 of the first tank and a Check valve 9 has.

Dem zweiten Sammelbehälter 16 wird das geringer belastete Abwasser über einen Anschluß 7 zugeführt, der niedriger liegt als der Anschluß 5 und an dem Einrichtungen wie Dusche, Bidet oder Handwaschbecken angeschlossen sind.The second collecting container 16 is loaded less Waste water supplied via a connection 7, the lower lies as the connection 5 and on the facilities like Shower, bidet or hand basin are connected.

In beiden Behältern 12, 16 befindet sich jeweils ein Steuerorgan, insbesondere ein Sensor, mit dem die Höhe des Wasserstandes ermittelt wird, um den elektrischen Antriebsmotor 1 ein- und auszuschalten.There is one in each of the two containers 12, 16 Control device, in particular a sensor with which the height the water level is determined to the electrical Switch drive motor 1 on and off.

Claims (9)

  1. A waste water lifting installation having a first connection (5) for waste water heavily charged, more particularly with faecal matter the waste water being collected in a tank (12), from which the waste water is delivered via a pump (21) to a connected pressure pipe (4) as soon as the water level in the tank (12) has exceeded a predetermined height,
    characterised in that
    for less heavily charged waste water a second collecting tank (16) is provided which has at least one further connection (7) for less heavily charged waste water, more particularly waste water from bath, shower, washbasin and bidet and which is disposed lower than the maximum water level (13) in the first tank, and
    a second pump (24) delivers the water from the second tank (16) to the first tank (12).
  2. A waste water lifting installation according to claim 1,
    characterised in that the bottom (18) of the second tank (16) is disposed lower than the bottom (17) of the first tank (12).
  3. A waste water lifting installation according to claim 2,
    characterised in that the second tank is disposed below the first tank.
  4. A waste water lifting installation according to claim 1,
    characterised in that the impellers (2, 3) of the two pumps (21, 24) are driven by a single motor (1).
  5. A waste water lifting installation according to claim 2,
    characterised in that the impellers (2, 3) of the two pumps (21, 24) are disposed on a single driving spindle (11) of an electric motor (1).
  6. A waste water lifting installation according to one of the preceding claims,
    characterised in that disposed on the driving spindle (11) of the single electric motor (1) is a cutting device (10) more particularly a cutting blade, which comminutes the solids arriving from the first connection (5).
  7. A waste water lifting installation accordingly to claim 6,
    characterised in that disposed between the first connection (5) and the first tank (12) is a chamber in which the cutting device (10) rotates.
  8. A waste water lifting installation according to one of the preceding claims,
    characterised in that disposed in each of the two tanks (12, 16) is a device which detects the water level and switches on the pump motor (1) when a predetermined water level is reached.
  9. A waste water lifting installation according to one of the preceding claims,
    characterised in that the delivery line (14) from the second tank (16) to the first tank (12) has a device preventing reflux, more particularly a non-return valve (9).
EP96110930A 1995-07-27 1996-07-06 Waste water lifting device Expired - Lifetime EP0756040B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19527390 1995-07-27
DE19527390A DE19527390A1 (en) 1995-07-27 1995-07-27 Sewage lifting station

Publications (2)

Publication Number Publication Date
EP0756040A1 EP0756040A1 (en) 1997-01-29
EP0756040B1 true EP0756040B1 (en) 2001-08-29

Family

ID=7767881

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96110930A Expired - Lifetime EP0756040B1 (en) 1995-07-27 1996-07-06 Waste water lifting device

Country Status (3)

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EP (1) EP0756040B1 (en)
DE (2) DE19527390A1 (en)
DK (1) DK0756040T3 (en)

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7218852U (en) * 1972-08-31 Wallace Mc Dowall Ltd Liquid pump
GB1235005A (en) * 1968-12-03 1971-06-09 Tashkent I Inzh Zheleznod Sewage pumping plant
DE6917549U (en) * 1969-04-30 1971-11-18 Moser Ingeborg LIFTING DEVICE FOR DIGITAL WATER OR. DGL.
DE2643537A1 (en) * 1976-09-28 1978-03-30 Jocri Maschinenbau M Christian Sump pump for slurries in agricultural use - discharges fluid through protecting tube surrounding driving shaft
DE7630236U1 (en) * 1976-09-28 1977-02-10 Busch, Alex, 4040 Neuss DEVICE FOR CONVEYING FAEKALIEN
DE2726320A1 (en) * 1977-06-10 1978-12-21 Nautron Corp Hydraulic attrition unit for marine toilet - with impeller cooperating with contoured chamber for breaking up solids prior to discharge
DE3322259C2 (en) * 1983-06-21 1986-09-25 Albert 5204 Lohmar Blum Wastewater lifting plant
DE8335997U1 (en) * 1983-12-15 1984-03-15 Cremer & Kreuseler, 4044 Kaarst LIFTING DEVICE FOR DISCHARGED WASTEWATER OD. DGL.
DE8523577U1 (en) * 1985-08-16 1985-09-26 Blum, Albert, 5204 Lohmar Sewage disposal device
DE3607353A1 (en) * 1986-03-06 1987-09-10 Strate Maschf Sewage lifting unit
DE8805886U1 (en) * 1988-05-03 1988-06-16 Kopf, Karl, 8000 Muenchen, De
US5110265A (en) * 1991-01-16 1992-05-05 Aisan Kogyo Kabushiki Kaisha Fuel pump

Also Published As

Publication number Publication date
DE19527390A1 (en) 1997-01-30
EP0756040A1 (en) 1997-01-29
DK0756040T3 (en) 2001-12-03
DE59607568D1 (en) 2001-10-04

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