EP0894904B1 - Device for the re-use of grey water - Google Patents

Device for the re-use of grey water Download PDF

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Publication number
EP0894904B1
EP0894904B1 EP98112936A EP98112936A EP0894904B1 EP 0894904 B1 EP0894904 B1 EP 0894904B1 EP 98112936 A EP98112936 A EP 98112936A EP 98112936 A EP98112936 A EP 98112936A EP 0894904 B1 EP0894904 B1 EP 0894904B1
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EP
European Patent Office
Prior art keywords
turbid
drain
water storage
storage vessel
cistern
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
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EP98112936A
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German (de)
French (fr)
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EP0894904A1 (en
Inventor
Dieter Hauser
Werner Heinzelmann
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Hansgrohe SE
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Hansgrohe SE
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D5/00—Special constructions of flushing devices, e.g. closed flushing system
    • E03D5/003—Grey water flushing systems

Definitions

  • Gray water is water that is only slightly contaminated and can still be used for certain purposes. For example, the drain from bathtubs or shower trays can still be used to flush the toilet.
  • the known device is primarily concerned with how the process water can be treated so that it can be reused.
  • a flushing device for toilet bowls using waste water is also known (DE 2336744).
  • a container is attached to a wall above a toilet bowl, the upper part of which serves as a storage container for gray water, while a cistern for flushing the toilet is housed in the lower part.
  • the invention has for its object to provide a device for reusing industrial water, which is better adapted for use in conventional households.
  • the invention proposes a device with the features mentioned in claim 1. Developments of the invention are the subject of dependent claims.
  • all parts belonging to the device for reuse are attached to a holder, and this holder is then attached in a bathroom or a toilet. It is therefore possible for the connections between the stores, the size of the stores, the type of withdrawal, etc. to be coordinated with one another. A compact structural unit is thus created which can be installed as such a structural unit.
  • the device may have a connecting device with the aid of which a toilet bowl is mechanically attached, with the attachment at the same time the line connections of the inlet line for the rinse water and the outlet line are made.
  • the holder has a common drain, which can be connected to an existing drain installation and in which all the drains of the device open. This makes installation particularly easy, since only a connection to the drain and the inlet for the gray water has to be made.
  • the holder is designed as a pre-wall installation.
  • Such pre-wall installations make it possible to accommodate the device in a space-saving manner in front of an already existing wall, for example right-justified, left-justified or free-standing. Accommodation in a niche is also possible.
  • the gray water storage tanks are arranged at a height above a toilet bowl or an associated cistern. In this case, it is possible that the water can be transported from the last hot water tank to the toilet bowl or the cistern without a pump. On the other hand, it is also possible to pump the water from the gray water tank into the cistern. In this case, the gray water storage tanks can also be arranged lower than the toilet bowl.
  • the invention proposes to arrange the pumps and / or controls and / or valves that may be required for operation in the area below the greywater storage tanks, if necessary laterally the cistern. This measure also helps to construct the device in a space-saving manner.
  • the gray water storage tanks can be designed as a single container which is divided by partitions. Possibly. the cistern can also be part of such a container.
  • the flushing water for flushing the toilet is taken directly from the last gray water tank.
  • the function of the cistern is integrated in the gray water tank. Appropriate measures can be used to trigger the rinsing process and limit the quantity.
  • the domestic hot water tanks can be arranged one above the other, which is useful, for example, if the connection is not made with the help of pumps.
  • At least one of the gray water reservoirs can have an overflow.
  • This overflow can be connected to a drain via an odor trap, in particular to the common drain of the device.
  • the overflow in particular the overflow of the last gray water reservoir, leads into the toilet bowl, this possibly being done by an overflow of the cistern. This is particularly advantageous if the pools are at different levels.
  • the overflow leads from the third memory to the second memory and from there to the first memory, from where it then flows into the process.
  • At least one of the gray water reservoirs can have a drain for such sludge.
  • a sludge drain can be connected to a drain via an odor trap, in particular to the common drain of the device. It can be provided that the sludge is returned from container 2 to container 1.
  • the toilet bowl has an odor trap, so that it can be used at the same time.
  • the device can be designed in such a way that with each triggered flushing process, the sludge drain is also opened, which then leads into the toilet bowl.
  • the holder can have an at least partially removable front wall or a removable side wall.
  • the holder has removable and / or hinged parts which allow access to the pumps, valves, control elements or the like.
  • the holder including all of its individual parts, is preinstalled at the factory. Then the unit only needs to be set up and connected on the spot.
  • Fig. 1 only the essential components of a device according to the invention are shown.
  • a container 1 In the upper area, a container 1 is shown, which is divided into three compartments by partitions 2. These compartments form a first gray water reservoir 3, a second gray water reservoir 4 and a third gray water reservoir 5. These gray water reservoirs 3, 4 and 5 are connected to one another, as described in detail in the aforementioned German Offenlegungsschrift 195 09 531. These details are therefore not repeated here.
  • a cistern 6 for flushing the toilet is partially arranged in front of and below the container 1.
  • a line 7 leads from the gray water reservoir 5 on the right in FIG. 1 into the cistern 6.
  • a pipe 8 leads from the cistern 6 into a toilet bowl 9 which is attached to the front of the device.
  • the assembly contains a front wall 11, which has a recess for the front 12 of the cistern 6.
  • the front of the cistern 6 is therefore accessible from the outside.
  • the container 1, which holds the individual gray water storage tanks, is arranged in the upper area within the structural unit directly behind the front wall 11 thereof.
  • the front wall 13 of the container 11 runs obliquely back and down so that there is space for the cistern 6 at this point.
  • An overflow line 14 shown in FIG. 2 leads to the common drain 10 behind the cistern 6.
  • the structural unit shown in FIG. 2 can have a connection for the power network in order to enable the supply of the required pumps, valves and the control. It can also have a line connection for drinking water so that the toilet flush can be operated in the event of an insufficient supply of gray water.
  • the unit contains an input connection for the gray water, which comes from a shower tray, a bathtub or a sink.
  • the structural unit shown schematically in FIG. 2 can be assembled in the factory, possibly even with the toilet bowl 9. The structural unit is then transported to the place where it is to be installed. There it is set up so that the connecting devices fit together, and then attached to the wall.
  • the existing toilet bowl can be unscrewed from the wall, the system can be set up and connected, and then the toilet bowl can be attached to the system.
  • FIGS 3 and 4 show a further device according to the invention in greater detail.
  • the device contains four vertically extending stands 21 which extend from the floor 22 to the ceiling 23.
  • the stands 21 are reinforced by lateral crosspieces 24 and front crosspieces 25.
  • a cover plate 26 is attached to the front, which forms an optical cover.
  • the cistern 27 hangs on the frame formed by the stand 21.
  • a container 28 is arranged in the device within the space formed by the stands 21 and is divided into three compartments by two vertical partition walls 29, namely a first store 28a, a second store 28b and a third store 28c.
  • a pump 30 is provided which supplies the dirty water from the outlet of a bath tub or shower tray into the container 28a via a hose 31.
  • the hose 31 opens into an outlet 32 in the store 28a.
  • This reservoir 28a is the reservoir in which the dirty water is initially located so that the sludge can be deposited there.
  • An overflow 33 leads from the memory 28 via a siphon 34 to the outlet from the device.
  • the somewhat cleaned water in the reservoir 28a is conveyed with the aid of a submersible pump 35 and a line 36 connected to it into the second reservoir 28b, from where a second submersible pump 37 conveys the more purified water into the last reservoir 28c. From this memory 28c the water enters the cistern 38, which is arranged below the container 28.
  • the front of the cistern contains two push buttons 39 with which either a large or a small amount of water can be dispensed into the sink 27.
  • the electronics are accommodated laterally in a control box 40.
  • FIG. 5 shows an embodiment modified from the embodiment according to FIGS. 3 and 4, in which the container 28 extends over the entire width of the device, for better use of space.
  • the overflow leading to the siphon 34 leads through the interior of the reservoir 28a.
  • the same also applies to the hose 31, which engages from below in a tube guided through the container.
  • FIGS. 6 and 7 show representations corresponding to FIGS. 3 and 4 in a further embodiment, in which the containers 28a and 28b are arranged next to one another, while the reservoir 28c for the water to be removed is arranged below the two first-mentioned reservoirs 28a and 28b.
  • the cistern function for the toilet bowl is integrated in the container 28c.
  • the controller and possibly the pumps can advantageously be arranged above the first two stores 28a, 28b, as can the feed-in option for drinking water.
  • This type of construction shown in FIGS. 6 and 7 is distinguished by the fact that it is built very compactly. It can therefore be made flatter or narrower with the same storage volume.

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  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Sanitary Device For Flush Toilet (AREA)
  • Sorption Type Refrigeration Machines (AREA)
  • Domestic Plumbing Installations (AREA)
  • Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)

Abstract

At least one further dirty water tank (4, 5) is provided, which has an inlet connected to the outlet of the first tank and an outlet connected with a flushing system of a toilet. A retainer is provided, to which the dirty water tanks (3, 4, 5), connecting conduits between them and the connections for the cistern (6) and/or toilet basin (9) and/or a drinking water conduit are fixed. A connecting device is provided for mechanical application and for inlet and outlet connection of a toilet basin (9). The retainer has a common outlet (10), which is connectable with a building-side outlet installation and in which all outlets of the device issue. The retainer is formed as a front wall installation.

Description

Die Erfindung geht aus von einer Vorrichtung zur Wiederverwendung von Grauwasser. Unter Grauwasser versteht man Wasser, das nur eine geringe Verschmutzung aufweist und für bestimmte Zwecke noch verwendbar ist. Beispielsweise kann der Ablauf aus Badewannen oder Duschwannen noch für eine Toilettenspülung verwendet werden.The invention is based on a device for reusing gray water. Gray water is water that is only slightly contaminated and can still be used for certain purposes. For example, the drain from bathtubs or shower trays can still be used to flush the toilet.

Es ist bereits eine solche Vorrichtung bekannt (DE 195 09 531), die die Merkmale des Oberbegriffs von Anspruch 1 aufweist. Bei dieser bekannten Vorrichtung sind mehrere Behälter für Grauwasser vorhanden, die durch Leitungen, Ventile und ggf. Pumpen miteinander verbunden sind. In den einzelnen Behältern können Schwebstoffe vorhanden sein, die ggf. mit Bakterienkulturen besetzt sind. Der Inhalt dieser Patentanmeldung wird durch Bezugnahme zum Inhalt der vorliegenden Anmeldung gemacht.Such a device is already known (DE 195 09 531), which has the features of the preamble of claim 1. In this known device there are several containers for gray water, which are connected to one another by lines, valves and possibly pumps. Suspended substances may be present in the individual containers, which may be populated with bacterial cultures. The content of this patent application is made by reference to the content of the present application.

Die bekannte Vorrichtung befaßt sich in erster Linie damit, wie das Brauchwasser so aufbereitet werden kann, daß es wieder verwendet werden kann.The known device is primarily concerned with how the process water can be treated so that it can be reused.

Weiterhin bekannt ist eine Spüleinrichtung für Toilettenbecken unter Verwendung von Abwasser (DE 2336744). Hierbei ist oberhalb eines Toilettenbeckens an einer Wand ein Behälter befestigt, dessen Oberteil als Vorratsbehälter für Grauwasser dient, während im unteren Teil ein Spülkasten für die Toilettenspülung untergebracht ist.A flushing device for toilet bowls using waste water is also known (DE 2336744). Here, a container is attached to a wall above a toilet bowl, the upper part of which serves as a storage container for gray water, while a cistern for flushing the toilet is housed in the lower part.

Der Erfindung liegt die Aufgabe zugrunde, eine Vorrichtung zur Wiederverwendung von Brauchwasser zu schaffen, die besser an die Verwendung in üblichen Haushalten angepaßt ist.The invention has for its object to provide a device for reusing industrial water, which is better adapted for use in conventional households.

Bei den bisher üblichen Anlagen mußte im Einzelfall eine Anpassung an die örtlichen Gegebenheiten durchgeführt werden. Es hat sich jedoch herausgestellt, daß eine solche nachträglich durchzuführende Anpassung nur zu ungünstigen Ergebnissen führt.With the previously usual systems, an adaptation to the local conditions had to be carried out in individual cases. However, it has been found that such a subsequent adjustment only leads to unfavorable results.

Zur Lösung der genannten Aufgabe schlägt die Erfindung eine Vorrichtung mit den im Anspruch 1 genannten Merkmalen vor. Weiterbildungen der Erfindung sind Gegenstand von Unteransprüchen.To achieve the stated object, the invention proposes a device with the features mentioned in claim 1. Developments of the invention are the subject of dependent claims.

Erfindungsgemäß werden also alle zu der Vorrichtung zur Wiederverwendung gehörenden Teile an einer Halterung angebracht, und diese Halterung wird dann in einem Badezimmer oder einer Toilette angebracht. Es ist daher möglich, daß die Verbindungen zwischen den Speichern, die Größe der Speicher, die Art der Entnahme usw. aufeinander abgestimmt werden. Es wird also eine kompakte Baueinheit geschaffen, die als solche Baueinheit installiert werden kann.According to the invention, all parts belonging to the device for reuse are attached to a holder, and this holder is then attached in a bathroom or a toilet. It is therefore possible for the connections between the stores, the size of the stores, the type of withdrawal, etc. to be coordinated with one another. A compact structural unit is thus created which can be installed as such a structural unit.

Insbesondere schlägt die Erfindung vor, daß die Vorrichtung eine Verbindungseinrichtung aufweisen kann, mit deren Hilfe ein WC-Becken mechanisch angebracht wird, wobei bei der Anbringung gleichzeitig auch die Leitungsverbindungen der Eingangsleitung für das Spülwasser und der Auslaßleitung hergestellt werden.In particular, the invention proposes that the device may have a connecting device with the aid of which a toilet bowl is mechanically attached, with the attachment at the same time the line connections of the inlet line for the rinse water and the outlet line are made.

In Weiterbildung kann vorgesehen sein, daß die Halterung einen gemeinsamen Ablauf aufweist, der mit einer bauseitig vorhandenen Ablaufinstallation verbindbar ist und in dem alle Abläufe der Vorrichtung münden. Dadurch gestaltet sich die Installation besonders einfach, da nur eine Verbindung mit dem Ablauf sowie mit dem Einlauf für das Grauwasser hergestellt werden muß.In a further development it can be provided that the holder has a common drain, which can be connected to an existing drain installation and in which all the drains of the device open. This makes installation particularly easy, since only a connection to the drain and the inlet for the gray water has to be made.

Erfindungsgemäß ist die Halterung als Vorwandinstallation ausgebildet. Derartige Vorwandinstallationen ermöglichen es, die Vorrichtung platzsparend vor einer bereits vorhandenen Wand unterzubringen, beispielsweise rechtsbündig, linksbündig oder auch freistehend. Ebenfalls möglich ist die Unterbringung in einer Nische.According to the invention, the holder is designed as a pre-wall installation. Such pre-wall installations make it possible to accommodate the device in a space-saving manner in front of an already existing wall, for example right-justified, left-justified or free-standing. Accommodation in a niche is also possible.

Es kann vorgesehen sein, daß die Grauwasserspeicher auf einer Höhe oberhalb eines WC-Beckens bzw. eines zugehörigen Spülkastens angeordnet sind. In diesem Fall ist es möglich, daß der Transport des Wassers aus dem letzten Brauchwasserspeicher in das WC-Becken oder den Spülkasten ohne eine Pumpe erfolgen kann. Es ist andererseits aber auch möglich, das Wasser aus dem Grauwasserspeicher in den Spülkasten zu pumpen. In diesem Fall können die Grauwasserspeicher auch tiefer angeordnet sein als das WC-Becken.It can be provided that the gray water storage tanks are arranged at a height above a toilet bowl or an associated cistern. In this case, it is possible that the water can be transported from the last hot water tank to the toilet bowl or the cistern without a pump. On the other hand, it is also possible to pump the water from the gray water tank into the cistern. In this case, the gray water storage tanks can also be arranged lower than the toilet bowl.

Es ist bekannt, daß die Verbindung zwischen den einzelnen Behältern durch Pumpen, Ventile und Steuerungen erfolgt. Hier schlägt nun die Erfindung vor, die zum Betrieb ggf. erforderlichen Pumpen und/oder Steuerungen und/oder Ventile im Bereich unterhalb der Grauwasserspeicher anzuordnen, ggf. seitlich des Spülkastens. Auch diese Maßnahme trägt dazu bei, die Vorrichtung platzsparend aufzubauen.It is known that the connection between the individual containers is made by pumps, valves and controls. Here, the invention proposes to arrange the pumps and / or controls and / or valves that may be required for operation in the area below the greywater storage tanks, if necessary laterally the cistern. This measure also helps to construct the device in a space-saving manner.

Die Grauwasserspeicher können als ein einziger Behälter ausgebildet sein, der durch Trennwände unterteilt ist. Ggf. kann auch der Spülkasten Teil eines solchen Behälters sein.The gray water storage tanks can be designed as a single container which is divided by partitions. Possibly. the cistern can also be part of such a container.

Es kann vorgesehen sein, daß das Spülwasser für die Toilettenspülung direkt aus dem letzten Grauwasserspeicher entnommen wird. In diesem Fall ist also die Funktion des Spülkastens in den Grauwasserspeicher integriert. Das Auslösen des Spülvorgangs und die Mengenbegrenzung können dabei durch geeignete Maßnahmen erfolgen.It can be provided that the flushing water for flushing the toilet is taken directly from the last gray water tank. In this case, the function of the cistern is integrated in the gray water tank. Appropriate measures can be used to trigger the rinsing process and limit the quantity.

Die Brauchwasserspeicher können übereinander angeordnet werden, was beispielsweise dann sinnvoll ist, wenn die Verbindung nicht mit Hilfe von Pumpen erfolgt.The domestic hot water tanks can be arranged one above the other, which is useful, for example, if the connection is not made with the help of pumps.

Es ist ebenfalls möglich, die Brauchwasserspeicher nebeneinander, d. h. von links nach rechts, anzuordnen.It is also possible to place the domestic hot water tanks side by side, i.e. H. from left to right.

Ebenfalls möglich ist es, die Grauwasserspeicher voreinander anzuordnen.It is also possible to arrange the gray water storage tanks in front of each other.

Selbstverständlich sind auch Kombinationen dieser Merkmale möglich.Of course, combinations of these features are also possible.

Es kann vorgesehen sein, daß mindestens einer der Grauwasserspeicher einen Überlauf aufweisen kann. Dieser Überlauf kann über einen Geruchsverschluß mit einem Ablauf verbindbar sein, insbesondere mit dem gemeinsamen Ablauf der Vorrichtung.It can be provided that at least one of the gray water reservoirs can have an overflow. This overflow can be connected to a drain via an odor trap, in particular to the common drain of the device.

Es kann vorgesehen sein, daß der Überlauf, insbesondere der Überlauf des letzten Grauwasserspeichers, in das WC-Becken führt, wobei dies ggf. durch einen Überlauf des Spülkastens erfolgen kann. Dies ist besonders dann von Vorteil, wenn die Becken auf unterschiedlichem Niveau liegen.It can be provided that the overflow, in particular the overflow of the last gray water reservoir, leads into the toilet bowl, this possibly being done by an overflow of the cistern. This is particularly advantageous if the pools are at different levels.

Es kann auch vorgesehen sein, daß der Überlauf von dem dritten Speicher in den zweiten Speicher und von dort in den ersten Speicher führt, von wo aus er dann in den Ablauf mündet.It can also be provided that the overflow leads from the third memory to the second memory and from there to the first memory, from where it then flows into the process.

Da in den einzelnen Grauwasserspeichern durch die vorhandenen Schwebstoffe ein Absetzen von Verunreinigungen erreicht werden soll, kann mindestens einer der Grauwasserspeicher einen Ablaß für solchen Schlamm aufweisen. Ein solcher Schlammablaß kann über einen Geruchsverschluß mit einem Ablauf verbindbar sein, insbesondere mit dem gemeinsamen Ablauf der Vorrichtung. Es kann vorgesehen sein, daß der Schlamm aus dem Behälter 2 in den Behälter 1 zurückgeführt wird.Since the suspended matter in the individual gray water reservoirs is to be used to deposit contaminants, at least one of the gray water reservoirs can have a drain for such sludge. Such a sludge drain can be connected to a drain via an odor trap, in particular to the common drain of the device. It can be provided that the sludge is returned from container 2 to container 1.

Es kann ebenfalls vorgesehen werden, den Schlammablaß mit dem WC-Becken zu verbinden. Das WC-Becken hat einen als Geruchsverschluß wirkenden Siphon, so daß dieser gleichzeitig ausgenutzt werden kann.It can also be provided to connect the sludge drain to the toilet bowl. The toilet bowl has an odor trap, so that it can be used at the same time.

Insbesondere kann die Einrichtung so ausgebildet sein, daß bei jedem ausgelösten Spülvorgang gleichzeitig auch der Schlammablaß geöffnet wird, der dann in das WC-Becken führt.In particular, the device can be designed in such a way that with each triggered flushing process, the sludge drain is also opened, which then leads into the toilet bowl.

Um den Zugang auf die Grauwasserspeicher in der Halterung zu ermöglichen, kann die Halterung erfindungsgemäß eine mindestens teilweise abnehmbare Vorderwand oder auch eine abnehmbare Seitenwand aufweisen.In order to allow access to the gray water storage in the holder, the holder can have an at least partially removable front wall or a removable side wall.

Erfindungsgemäß weist die Halterung abnehmbare und/oder aufklappbare Teile auf, die den Zugang zu den Pumpen, Ventilen, Steuerungselementen oder dergleichen ermöglichen.According to the invention, the holder has removable and / or hinged parts which allow access to the pumps, valves, control elements or the like.

Erfindungsgemäß wird die Halterung einschließlich aller ihrer einzelnen Teile fabrikmäßig vorinstalliert. Dann braucht die Einheit nur noch an Ort und Stelle aufgestellt und angeschlossen zu werden.According to the invention, the holder, including all of its individual parts, is preinstalled at the factory. Then the unit only needs to be set up and connected on the spot.

Weitere Merkmale, Einzelheiten und Vorzüge der Erfindung ergeben sich aus den Patentansprüchen, deren Wortlaut durch Bezugnahme zum Inhalt der Beschreibung gemacht wird, der folgenden Beschreibung einer bevorzugten Ausführungsform sowie anhand der Zeichnung. Hierbei zeigen:

Fig. 1
eine schematische Vorderansicht der Bauteile einer Vorrichtung nach der Erfindung;
Fig. 2
eine schematische teilweise geschnittene Seitenansicht der Vorrichtung der Fig. 1;
Fig. 3
eine teilweise geschnittene Vorderansicht einer Vorrichtung nach der Erfindung;
Fig. 4
eine teilweise geschnittene Seitenansicht der Vorrichtung nach Fig. 3;
Fig. 5
eine der Fig. 3 entsprechende Darstellung bei einer weiteren Ausführungsform;
Fig. 6
eine der Fig. 5 entsprechende Darstellung bei einer weiteren Ausführungsform;
Fig. 7
eine teilweise geschnittene Seitenansicht der Ausführungsform nach Fig. 6.
Further features, details and advantages of the invention result from the patent claims, the wording of which is made by reference to the content of the description, the following description of a preferred embodiment and with reference to the drawing. Here show:
Fig. 1
is a schematic front view of the components of a device according to the invention;
Fig. 2
is a schematic partially sectioned side view of the device of Fig. 1;
Fig. 3
a partially sectioned front view of a device according to the invention;
Fig. 4
a partially sectioned side view of the device of FIG. 3;
Fig. 5
a representation corresponding to FIG 3 in a further embodiment.
Fig. 6
a representation corresponding to FIG 5 in a further embodiment.
Fig. 7
6 shows a partially sectioned side view of the embodiment according to FIG. 6.

In Fig. 1 sind nur die wesentlichen Bauteile einer Vorrichtung nach der Erfindung dargestellt. Im oberen Bereich ist ein Behälter 1 dargestellt, der durch Trennwände 2 in drei Abteile unterteilt ist. Diese Abteile bilden einen ersten Grauwasserspeicher 3, einen zweiten Grauwasserspeicher 4 und einen dritten Grauwasserspeicher 5. Diese Grauwasserspeicher 3, 4 und 5 sind untereinander verbunden, wie dies in der eingangs genannten deutschen Offenlegungsschrift 195 09 531 im einzelnen beschrieben ist. Diese Einzelheiten werden hier daher nicht wiederholt.In Fig. 1 only the essential components of a device according to the invention are shown. In the upper area, a container 1 is shown, which is divided into three compartments by partitions 2. These compartments form a first gray water reservoir 3, a second gray water reservoir 4 and a third gray water reservoir 5. These gray water reservoirs 3, 4 and 5 are connected to one another, as described in detail in the aforementioned German Offenlegungsschrift 195 09 531. These details are therefore not repeated here.

Teilweise vor und unterhalb des Behälters 1 ist ein Spülkasten 6 für eine Toilettenspülung angeordnet. Aus dem in Fig. 1 rechten Grauwasserspeicher 5 führt eine Leitung 7 in den Spülkasten 6.A cistern 6 for flushing the toilet is partially arranged in front of and below the container 1. A line 7 leads from the gray water reservoir 5 on the right in FIG. 1 into the cistern 6.

Aus dem Spülkasten 6 führt eine Leitung 8 in ein WC-Becken 9, das an der Vorderseite der Vorrichtung angebracht ist.A pipe 8 leads from the cistern 6 into a toilet bowl 9 which is attached to the front of the device.

Aus dem WC-Becken führt eine in Fig. 1 nicht zu sehende Leitung in einen Ablauf 10. Dieser Ablauf wird bei der Installation der Vorrichtung mit einer bauseitig vorhandenen Ablaufleitung verbunden.1 leads into an outlet 10 from the toilet bowl. This outlet is connected to an on-site outlet line when the device is installed.

Alle diese Teile werden bei der beschriebenen Ausführungsform zu einer Baueinheit zusammengefaßt, die als Vorwandinstallation ausgebildet ist. Diese Baueinheit ist in Fig. 2 von der Seite her schematisch dargestellt.All of these parts are combined in the described embodiment to form a structural unit which is designed as a pre-wall installation. This unit is shown schematically in Fig. 2 from the side.

Die Baueinheit enthält eine Vorderwand 11, die eine Aussparung für die Vorderseite 12 des Spülkastens 6 aufweist. Der Spülkasten 6 ist also mit seiner Vorderseite von außen her zugänglich.The assembly contains a front wall 11, which has a recess for the front 12 of the cistern 6. The The front of the cistern 6 is therefore accessible from the outside.

Der Behälter 1, der die einzelnen Grauwasserspeicher aufnimmt, ist im oberen Bereich innerhalb der Baueinheit unmittelbar hinter deren Vorderwand 11 angeordnet. Im Bereich des Spülkastens 6 verläuft die Vorderwand 13 des Behälters 11 schräg nach hinten und unten, damit an dieser Stelle Platz für den Spülkasten 6 vorhanden ist.The container 1, which holds the individual gray water storage tanks, is arranged in the upper area within the structural unit directly behind the front wall 11 thereof. In the area of the cistern 6, the front wall 13 of the container 11 runs obliquely back and down so that there is space for the cistern 6 at this point.

Eine in Fig. 2 zu sehende Überlaufleitung 14 führt hinter dem Spülkasten 6 zu dem gemeinsamen Ablauf 10.An overflow line 14 shown in FIG. 2 leads to the common drain 10 behind the cistern 6.

Die in Fig. 2 dargestellte Baueinheit kann einen Anschluß für das Stromnetz aufweisen, um die Spannungsversorgung der erforderlichen Pumpen, Ventile und der Steuerung zu ermöglichen. Sie kann ebenfalls einen Leitungsanschluß für Trinkwasser aufweisen, damit im Fall der nicht ausreichenden Versorgung mit Grauwasser die Toilettenspülung bedient werden kann. Außerdem enthält die Baueinheit einen Eingangsanschluß für das Grauwasser, das von einer Duschwanne, einer Badewanne oder auch einem Waschbecken her stammt.The structural unit shown in FIG. 2 can have a connection for the power network in order to enable the supply of the required pumps, valves and the control. It can also have a line connection for drinking water so that the toilet flush can be operated in the event of an insufficient supply of gray water. In addition, the unit contains an input connection for the gray water, which comes from a shower tray, a bathtub or a sink.

Die in Fig. 2 schematisch dargestellte Baueinheit kann fabrikmäßig zusammengesetzt werden, ggf. sogar mit dem WC-Becken 9. Die Baueinheit wird dann zu der Stelle transportiert, wo sie installiert werden soll. Dort wird sie so aufgestellt, daß die Verbindungseinrichtungen zusammenpassen, und anschließend an der Wand befestigt.The structural unit shown schematically in FIG. 2 can be assembled in the factory, possibly even with the toilet bowl 9. The structural unit is then transported to the place where it is to be installed. There it is set up so that the connecting devices fit together, and then attached to the wall.

Bei Nachrüsten der Anlage in ein Bad oder WC kann das vorhandene WC-Becken von der Wand abgeschraubt, die Anlage aufgestellt und angeschlossen werden, und dann das WC-Becken an der Anlage befestigt werden.When retrofitting the system into a bathroom or toilet, the existing toilet bowl can be unscrewed from the wall, the system can be set up and connected, and then the toilet bowl can be attached to the system.

Die Figuren 3 und 4 zeigen eine weitere Vorrichtung nach der Erfindung in größerer Einzelheit. Die Vorrichtung enthält vier senkrecht verlaufende Ständer 21, die vom Boden 22 bis zur Decke 23 reichen. Die Ständer 21 sind durch seitliche Querstege 24 und vordere Querstege 25 verstärkt. An der Vorderseite ist eine Abdeckplatte 26 befestigt, die eine optische Abdeckung bildet.Figures 3 and 4 show a further device according to the invention in greater detail. The device contains four vertically extending stands 21 which extend from the floor 22 to the ceiling 23. The stands 21 are reinforced by lateral crosspieces 24 and front crosspieces 25. A cover plate 26 is attached to the front, which forms an optical cover.

Im unteren Bereich hängt an dem durch die Ständer 21 gebildeten Gestell der Spülkasten 27.In the lower area, the cistern 27 hangs on the frame formed by the stand 21.

In der Vorrichtung ist innerhalb des durch die Ständer 21 gebildeten Raumes ein Behälter 28 angeordnet, der durch zwei senkrechte Trennwände 29 in drei Abteile unterteilt ist, nämlich einen ersten Speicher 28a, einen zweiten Speicher 28b und einen dritten Speicher 28c.A container 28 is arranged in the device within the space formed by the stands 21 and is divided into three compartments by two vertical partition walls 29, namely a first store 28a, a second store 28b and a third store 28c.

Eine Pumpe 30 ist vorgesehen, die das Schmutzwasser von dem Auslauf einer Bade- oder Duschwanne in den Behälter 28a über einen Schlauch 31 liefert. Der Schlauch 31 mündet in einem Auslauf 32 in dem Speicher 28a.A pump 30 is provided which supplies the dirty water from the outlet of a bath tub or shower tray into the container 28a via a hose 31. The hose 31 opens into an outlet 32 in the store 28a.

Dieser Speicher 28a ist derjenige Speicher, in dem das Schmutzwasser sich zunächst aufhält, damit dort eine Ablagerung des Schlammes erfolgen kann. Aus dem Speicher 28 führt ein Überlauf 33 über einen Siphon 34 zum Ablauf aus der Vorrichtung.This reservoir 28a is the reservoir in which the dirty water is initially located so that the sludge can be deposited there. An overflow 33 leads from the memory 28 via a siphon 34 to the outlet from the device.

Das in dem Speicher 28a etwas gereinigte Wasser wird mit Hilfe einer Tauchpumpe 35 und einer mit dieser verbundenen Leitung 36 in den zweiten Speicher 28b befördert, von wo aus eine zweite Tauchpumpe 37 das stärker gereinigte Wasser in den letzten Speicher 28c befördert. Aus diesem Speicher 28c gelangt das Wasser in den Spülkasten 38, der unterhalb des Behälters 28 angeordnet ist. Der Spülkasten enthält an seiner Vorderseite zwei Drucktasten 39, mit denen entweder eine große oder eine kleine Menge Wasser in das Spülbecken 27 abgegeben werden kann.The somewhat cleaned water in the reservoir 28a is conveyed with the aid of a submersible pump 35 and a line 36 connected to it into the second reservoir 28b, from where a second submersible pump 37 conveys the more purified water into the last reservoir 28c. From this memory 28c the water enters the cistern 38, which is arranged below the container 28. The front of the cistern contains two push buttons 39 with which either a large or a small amount of water can be dispensed into the sink 27.

Die Elektronik ist in dem dargestellten Beispiel seitlich in einem Steuerungskasten 40 untergebracht.In the example shown, the electronics are accommodated laterally in a control box 40.

Fig. 5 zeigt eine gegenüber der Ausführungsform nach Fig. 3 und 4 geänderte Ausführungsform, bei der der Behälter 28 sich über die gesamte Breite der Vorrichtung erstreckt, zur besseren Raumausnutzung. Der zu dem Siphon 34 führende Überlauf führt durch das Innere des Speichers 28a. Ähnliches gilt auch für den Schlauch 31, der von unten her in ein durch die Behälter geführtes Rohr eingreift.FIG. 5 shows an embodiment modified from the embodiment according to FIGS. 3 and 4, in which the container 28 extends over the entire width of the device, for better use of space. The overflow leading to the siphon 34 leads through the interior of the reservoir 28a. The same also applies to the hose 31, which engages from below in a tube guided through the container.

Die Figuren 6 und 7 zeigen den Figuren 3 und 4 entsprechende Darstellungen bei einer weiteren Ausführungsform, bei denen die Behälter 28a und 28b nebeneinander angeordnet sind, während der Speicher 28c für das zu entnehmende Wasser unterhalb der beiden erstgenannten Speicher 28a und 28b angeordnet ist. Die Spülkastenfunktion für das WC-Becken ist dabei in dem Behälter 28c integriert. Die Steuerung und ggf. die Pumpen können dabei mit Vorteil oberhalb der ersten beiden Speicher 28a, 28b angeordnet werden, ebenso die Einspeisemöglichkeit für Trinkwasser. Diese in den Figuren 6 und 7 dargestellte Bauart zeichnet sich dadurch aus, daß sie sehr kompakt gebaut wird. Sie kann also bei gleichem Speichervolumen flacher oder schmaler gebaut werden.FIGS. 6 and 7 show representations corresponding to FIGS. 3 and 4 in a further embodiment, in which the containers 28a and 28b are arranged next to one another, while the reservoir 28c for the water to be removed is arranged below the two first-mentioned reservoirs 28a and 28b. The cistern function for the toilet bowl is integrated in the container 28c. The controller and possibly the pumps can advantageously be arranged above the first two stores 28a, 28b, as can the feed-in option for drinking water. This type of construction shown in FIGS. 6 and 7 is distinguished by the fact that it is built very compactly. It can therefore be made flatter or narrower with the same storage volume.

Claims (15)

  1. A device for reusing turbid water having
    a first turbid-water storage vessel (3, 28) that has
    an inlet for turbid water coming from the drain of a bathtub, shower stall, or similar and
    an outlet for turbid water,
    at least one other turbid-water storage vessel (4, 5, 28a, b) that has an inlet connected to the outlet of the respective preceding turbid-water storage vessel (4), and
    an outlet that may be connected to a toilet cistern (6, 38)
    wherein
    a holder
    in the form of a rack and
    on which the turbid-water vessel (3, 4, 5, 28a, b, c), lines connecting the latter to the fittings for the cistern (6, 38), and/or a toilet bowl (9, 27), and/or a drinking-water line are fastened,
    where
    the device is in the form of a factory-preassembled unit for installation on-wall installation and
    may be mounted as a modular unit, and where
    the holder has detachable and/or hinged parts that
    allow accessing pumps, valves, a controller, or similar.
  2. A device according to claim 1 having a connecting device for mechanically attaching it to a toilet bowl (9, 27) and connecting it to the latter's inlet and drain.
  3. A device according to claim 1 or claim 2, wherein the holder has a common drain (10) that may be connected to the existing drain installation of a building, and into which all drains of the device lead.
  4. A device according to any of the foregoing claims, wherein the turbid-water storage vessel (3, 4, 5, 28a, b, c) is arranged above a toilet bowl (9, 27) and/or an associated cistern (6, 38).
  5. A device according to any of the foregoing claims, wherein the pumps, and/or valves, and/or controller needed for its operation are arranged beneath the turbid-water storage vessel (3, 4, 5, 28a, b, c), and alongside the cistern (6, 38), if desired.
  6. A device according to any of the foregoing claims, wherein the turbid-water storage vessel (3, 4, 5, 28a, b, c), along with cistern (6, 38), if desired, are configured in the form of a vessel (1) subdivided by partitions (2).
  7. A device according to any of the foregoing claims, wherein the water employed for flushing the toilet is taken directly from the final service-water storage vessel (5).
  8. A device according to any of the foregoing claims, wherein the turbid-water storage vessel (3, 4, 5, 28a, b, c) are arranged one in front of the other, next to one another, and/or one above the other.
  9. A device according to any of the foregoing claims, wherein the at least one turbid-water storage vessel (3, 4, 5, 28a, b, c) has an overflow that may be connected to a drain (10) via an odor trap or to the common drain (10).
  10. A device according to claim 9, wherein the drain, in particular, the drain of the final service-water storage vessel (5), leads to the toilet bowl (9, 27), via an overflow on the cistern (6, 38), if desired.
  11. A device according to any of the foregoing claims, wherein the at least one turbid-water storage vessel (3, 4, 5, 28a, b, c) has a sludge drain that may be connected to a drain or to the common drain (10) via an odor trap.
  12. A device according to claim 11, wherein the sludge drain is connected to the toilet bowl (9, 27).
  13. A device according to any of the foregoing claims, wherein the at least one turbid-water storage vessel (3, 4, 5, 28a, b, c) is at least partly transparent.
  14. A device according to any of the foregoing claims, wherein the front wall and/or side wall of the holder that may be at least partly removed.
  15. A device according to any of the foregoing claims, wherein the holder, together with the cistern (6, 38), are in the form of a factory preassembled unit.
EP98112936A 1997-07-31 1998-07-11 Device for the re-use of grey water Expired - Lifetime EP0894904B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19732989A DE19732989A1 (en) 1997-07-31 1997-07-31 Device for reusing gray water
DE19732989 1997-07-31

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EP0894904A1 EP0894904A1 (en) 1999-02-03
EP0894904B1 true EP0894904B1 (en) 2003-09-10

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EP (1) EP0894904B1 (en)
AT (1) ATE249556T1 (en)
DE (2) DE19732989A1 (en)
ES (1) ES2205336T3 (en)

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DE102007030938A1 (en) 2007-07-03 2009-01-08 INTEWA Ingenieur-Gesellschaft für Energie- und Wassertechnik mbH Apparatus and method for cleaning greywater
FR3135999A1 (en) * 2022-05-30 2023-12-01 Zahim KOTORI New generation toilet tank

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DE10207162A1 (en) * 2002-02-20 2003-08-28 Grohe Armaturen Friedrich Treatment facility for gray water
DE10211608A1 (en) * 2002-03-11 2003-09-25 Hansgrohe Ag Plant for recycling used water
ES2303401B1 (en) * 2005-06-14 2009-06-12 Raul Ojeda Garcia RESIDUAL WATER FAMILY COLLECTOR.
DE102009037169A1 (en) 2009-08-03 2011-03-31 Hansgrohe Ag Plant and process for the reuse of greywater
ES2368979B1 (en) 2009-10-06 2012-10-08 Roca Sanitario, S.A. SYSTEM AND PROCEDURE FOR REUSE IN A WATER TOILET FROM A WASH.

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007030938A1 (en) 2007-07-03 2009-01-08 INTEWA Ingenieur-Gesellschaft für Energie- und Wassertechnik mbH Apparatus and method for cleaning greywater
FR3135999A1 (en) * 2022-05-30 2023-12-01 Zahim KOTORI New generation toilet tank

Also Published As

Publication number Publication date
ES2205336T3 (en) 2004-05-01
ATE249556T1 (en) 2003-09-15
EP0894904A1 (en) 1999-02-03
DE59809540D1 (en) 2003-10-16
DE19732989A1 (en) 1999-02-04

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