EP4137645A1 - Installation d'eau potable - Google Patents

Installation d'eau potable Download PDF

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Publication number
EP4137645A1
EP4137645A1 EP22188788.8A EP22188788A EP4137645A1 EP 4137645 A1 EP4137645 A1 EP 4137645A1 EP 22188788 A EP22188788 A EP 22188788A EP 4137645 A1 EP4137645 A1 EP 4137645A1
Authority
EP
European Patent Office
Prior art keywords
flushing
drinking water
container
supply line
line
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.)
Pending
Application number
EP22188788.8A
Other languages
German (de)
English (en)
Inventor
Alexander Vogt
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.)
Gebr Kemper GmbH and Co KG
Original Assignee
Gebr Kemper GmbH and Co KG
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 Gebr Kemper GmbH and Co KG filed Critical Gebr Kemper GmbH and Co KG
Publication of EP4137645A1 publication Critical patent/EP4137645A1/fr
Pending legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B7/00—Water main or service pipe systems
    • E03B7/07—Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons or valves, in the pipe systems
    • E03B7/08—Arrangement of draining devices, e.g. manual shut-off valves
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B1/00—Methods or layout of installations for water supply
    • E03B1/04—Methods or layout of installations for water supply for domestic or like local supply
    • E03B1/041—Greywater supply systems
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B1/00—Methods or layout of installations for water supply
    • E03B1/04—Methods or layout of installations for water supply for domestic or like local supply
    • E03B1/041—Greywater supply systems
    • E03B1/042—Details thereof, e.g. valves or pumps
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B1/00—Methods or layout of installations for water supply
    • E03B1/04—Methods or layout of installations for water supply for domestic or like local supply
    • E03B1/048—Systems for collecting not used fresh water
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B7/00—Water main or service pipe systems
    • E03B7/04—Domestic or like local pipe systems
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B1/00—Methods or layout of installations for water supply
    • E03B1/04—Methods or layout of installations for water supply for domestic or like local supply
    • E03B1/041—Greywater supply systems
    • E03B2001/045—Greywater supply systems using household water

Definitions

  • the present invention relates to a drinking water installation comprising a supply line provided downstream of the point of transition of drinking water, which supplies several points of extraction of drinking water, and a flushing valve adapted to flush the supply line, provided downstream of the last point of extraction of drinking water and connects the supply line to a flushing line.
  • the scavenging valve is coupled in terms of control to a scavenging control which activates the scavenging valve for scavenging the supply line.
  • the rinsing control monitors stagnation, for example, by detecting a lack of water being drawn off at a point of withdrawal and/or a rise in temperature for cold water or a drop in temperature for hot water and evaluating it to trigger a rinsing process.
  • the flushing valve is activated during the flushing process. Drinking water that is or is becoming questionable in terms of hygiene is discharged from the drinking water installation. In the prior art, the drinking water is usually fed directly to the delivery point for process water.
  • the present invention is based on the problem of specifying a solution that allows drinking water to be handled more carefully.
  • the flushing line drains into a container via a free outlet.
  • the tank is provided with an overflow, which communicates with the point of delivery for service water, usually via a free outlet. Water is fed to the sewage disposal system via this free outlet. Accordingly, the outflow flow communicates remotely usually directly via pipes with the transfer point of waste water to the public disposal network.
  • a means for dispensing for example a pump, is assigned to the container for the further dispensing of water contained in the container.
  • the deployment means supplies a non-potable water piping system.
  • the FK5 line system is a line system for liquids of category 5 according to DIN 1988 part 100, application table A1. It is a piping system which must be separated from a drinking water system, as it must be prevented in any case that, in the event of unfavorable pressure conditions, contaminated water or other liquids are sucked back into the drinking water pipe network of the drinking water installation.
  • the container with the free outlet of the flushing line into the container creates a system separation.
  • a level determination and a level control for letting water into the container is assigned to the container.
  • the fill level control receives information about the fill level of the container from the fill level determination. In the event of significant demand due to pump operation and the level in the tank dropping, the level controller takes care of filling water into the tank.
  • this can take place in that the flushing of a supply line and the filling of the container take place synchronously.
  • Water is thus used synergistically, on the one hand, to achieve hygienically safe conditions in the pipe network carrying drinking water and, on the other hand, to provide a sufficient volume of liquid for drawing non-potable water in the container.
  • the flushing control and the filling level control usually communicate with one another in terms of data in order to achieve the best possible use of the water in the drinking water installation.
  • At least one of the controllers can use artificial intelligence, for example, based on observations of usage and consumption behavior to predict that the container will be filled as soon as it is flushed, and then suspend filling of the container despite the low level in the container.
  • the means for dispensing is preferably connected in terms of control to the filling level control.
  • the fill level control can have a relay that supplies the pump with electrical drive energy.
  • An inlet valve controlling the inflow of water into the tank is usually assigned to the tank. In terms of control, this is usually connected to the flushing control and/or the filling level control. Said inlet valve is usually arranged downstream of the flushing valves. This allows a flush valve to remain open. In this case, the flushing function of the corresponding flushing valve is effected by actuating the inlet valve.
  • certain scavenging valves can be kept open in alternation and their scavenging function temporarily taken over by the inlet valve.
  • each flushing valve is preferably assigned a backflow preventer provided upstream or downstream of the flushing valve in the direction of flow.
  • the non-return valve is preferably provided behind the flushing valve and directly in front of a branch into the flushing line.
  • This backflow preventer prevents backflow of water via the corresponding flushing valve and into the supply line connected to it.
  • the backflow preventer is usually arranged between the flushing valve and a flushing valve assigned to another supply line.
  • the several flushing valves are usually connected to the same flushing line, which opens into one container.
  • the inlet valve is arranged downstream of the at least one flushing valve in the direction of flow.
  • the inlet valve is usually also arranged downstream of an inlet valve which is provided between a container supply line and the flushing line.
  • the inflow valve blocks the container supply line from the flushing line.
  • the tank supply line is usually laid parallel to the at least one supply line which supplies the points for the withdrawal of drinking water and at the end of which the flushing valve is provided.
  • the container supply line forms a relatively direct connection between the point of transition of drinking water and the free outlet into the container.
  • the tank supply line is used to fill the tank if sufficient supply pressure cannot be obtained by flushing the supply lines by actuating the flush valves to ensure that the tank is sufficiently filled, for example due to drinking water being drawn off at a point upstream of the flush valve in the direction of flow.
  • the container supply line preferably serves no other purpose than the direct connection between the point of transition and the inlet valve for filling the container.
  • the flushing line leading to the inlet valve can be provided with a pressure sensor. Its signal is evaluated to control the inlet valve, preferably in the fill level control, which is usually set in such a way that a sufficient volume is provided within the container to allow water to be drawn off at any time downstream of the means for spreading.
  • the level determination of the container can determine the level of the container in any way. In this way, the level in the container can actually be detected by sensors. Alternatively, the incoming and outgoing volume flows can be measured directly or, based on the performance curve of the pump, for example, can be recorded and compared with each other in order to gain insight into the fill level.
  • the drinking water installation according to the invention allows the use of water drained from the drinking water area by flushing.
  • the pipe system carrying the drinking water is systemically separated from the container with the discharged water via the free outlet. Contamination of the drinking water is therefore not to be feared.
  • the water drained by flushing can be used for other purposes.
  • the water can be used for example for underfloor irrigation, in cooling towers, for cleaning dirty areas or animals or in open cattle troughs.
  • the filling level control is usually not only set up to ensure that the container is sufficiently filled. Rather, the fill level control usually also communicates with the flush control, which receives information from sensors installed in the drinking water installation and evaluates whether and when flushing is to be triggered.
  • a consumption of water downstream of the means for discharging water from the container can mean that the container has to be filled and this filling takes place by opening at least one flushing valve and the inlet valve.
  • a temperature sensor can be provided for monitoring the hygienically perfect water at the withdrawal points for drinking water, which, in the case of cold water, triggers a flush if the water in the drinking water installation is excessively warm.
  • a volume flow sensor can also be installed as an alternative or in addition, which detects the flow of water and thus the exchange. If there is no volume flow, stagnant water is assumed and flushed appropriately. Alternatively or additionally, the flushing can also be triggered in a time-controlled manner.
  • the timer of the time control for time-controlled flushing of a supply line can always be reset when drinking water is drained from the supply line to fill the container into the container due to a low level in the container and the supply line is sufficiently flushed.
  • the legally required water quality for drinking water in the supply lines can be maintained by regular consumption downstream of the means for discharging water from the container, in that the supply lines are used to fill the container and are flushed with it. It can therefore happen that the water quality monitor does not have to initiate a flush.
  • the consumer provided downstream of the means for dispensing water from the container is therefore preferably a tapping point at which water is usually regularly consumed, for example a drinking trough, a water playground, a plant watering system or a sink for work shoes, sports shoes or work clothes.
  • a sensor assigned to the supply line and/or the duration of the open position of the flushing valve is used to determine whether the supply line is sufficiently flushed when the container is being filled.
  • the free outlet is preferably provided for letting water into the container.
  • the fill level control can admit the water by activating the flushing valve and/or an inlet valve controlling the inlet of water into the container.
  • the fill level control can let in drinking water from the supply line downstream of the last point of withdrawal of drinking water and/or starting from any point of withdrawal of drinking water from the supply line into the tank, for example by means of the tank supply line, which can open into the free outlet.
  • the water taken in may or may not be from the flush.
  • the filling level control and/or the flushing control are/is preferably designed for data-based or digital communication.
  • the filling level control and/or the flushing control preferably has/has an electronic circuit for controlling, for example a circuit in each case and/or a common circuit.
  • the circuit or circuits can be designed to be programmable.
  • the data or digital communication can be wired or wireless.
  • Mechanical communication is preferably ruled out when data communication is present. In this respect, it is sufficient to communicate with a cable or wirelessly. A movement or power transmission for mechanical communication is thus regularly dispensable.
  • control can be carried out easily and depending on the environment, for example depending on other parameters such as the presence of people, temperatures, durations, volume that has flowed, etc.
  • the container is provided for storing, in particular exclusively, drinking water and water from flushing the supply line for drinking water.
  • Contaminated waste water, in particular gray water, for example from a bathtub, from a shower, from a kitchen, rainwater, etc. are preferably not intended to be stored in the container in order to keep the container free from corresponding contamination and to require a separate cleaning device, in particular a chemical cleaning equipment to make dispensable.
  • the flushing line drains into the container via the free outlet.
  • the tank is equipped with an overflow.
  • the container is assigned the means for dispensing water contained in the container and, in the direction of flow, the supply line for non-potable water or NPW supply line with at least one subordinate to consumers.
  • the filling level determination and the filling level control are assigned to the container. Depending on the determination of the level, the level control can allow water into the container.
  • the fill level determination can typically communicate the fill level to the fill level control in the form of data or digitally, for example wirelessly or with a cable.
  • the exemplary embodiment only shows pipes that may be surface-mounted in the basement, but are otherwise flush-mounted. It is a drinking water installation according to the Drinking Water Ordinance with a point marked with reference number 2 of the transition from water to the drinking water installation.
  • a water meter 4 and a filter 6 are installed.
  • a supply line in the form of a riser 8 is provided downstream of the filter 6 , which merges into story lines 10 via different floors.
  • the riser 8 passes through several floors and preferably runs in a straight line to avoid pressure losses.
  • Each floor string 10 runs essentially horizontally in one floor and preferably in a straight line to avoid pressure losses.
  • Ring mains 12, which are provided with at least one point for extracting drinking water, go from each floor strand 10. These extraction points are marked with reference number 14 .
  • the exemplary embodiment shows lines that are laid under plaster in the floors.
  • a branch line (not shown) leads from the ring line 12 to the point at which the drinking water reaches the environment.
  • the branch line can be, for example, the fluidic connection between a dispensing opening of a fitting, for example a washbasin, a shower or also a toilet or a bathtub and the drinking water installation.
  • the branch line is not part of the drinking water installation, but is connected to it.
  • the floor run 10 runs parallel to each ring line 12. Between a threading-out opening 16 and a threading-in opening 18, at which the ring line 12 leaves the run 10 and is fed back into the run 10, there is a throttle 20 in the floor run 10.
  • This throttle 20 as a flow resistance element, increases the flow resistance between the threading-out opening 16 and the threading-in opening 18 in such a way that when there is a flow in the line, caused, for example, by the flushing valve 22 provided at the end of the line 10, both the line 10 and, parallel thereto, the ring line 12 are flowed through .
  • the same is obtained by purchasing drinking water at a point of extraction 14 which is downstream of the one or more ring lines 12 in the direction of flow.
  • a Such a relationship usually triggers parallel flows in the ring lines 12 that are upstream in terms of flow and in the sections of the story line 10 that are provided parallel to the respective ring lines 12 .
  • the scavenging valve 22 is an adjustable scavenging valve which is connected to a scavenging control 24 in terms of control.
  • the flushing valve can be set by a motor-driven actuator or by an electrically heatable expansion element.
  • the adjusting movement is usually an axial displacement of a valve body towards a valve seat or in the opposite direction away from the valve seat.
  • a non-return valve 26 is provided for each of the flushing valves 22 immediately downstream of the flushing valve 22 .
  • Sensors 28 are installed in the floor sections 10 that form the supply lines, which sensors determine the temperature or the volume flow within the respective floor section 10 and are connected to the flushing control 24 in terms of data. The signals from these sensors 28 or a time module within the flushing controller 24 trigger flushing.
  • a flushing valve 22 or an inlet valve identified by reference number 30 at the end of a flushing line 32 is actuated.
  • a tank supply line 34 opens into the flushing line 32.
  • a motor-controlled inlet valve 36 is provided, which can shut off the tank supply line 34 in the area of its end and communicates with a filling level controller 38 in terms of data.
  • the pressure in the flushing line 32 is monitored via a pressure sensor 40 which is also connected to the fill level controller 38 in terms of data.
  • a free outlet 42 which drains into a container 44 .
  • the container 44 has an overflow 46, which in turn is fluidically connected via a free outlet 48 to a sewage pipe 50, which forwards the water drained from the container 44 to the municipal sewage disposal network.
  • a pump is identified by reference number 52 and is adapted to pump out the volume of liquid in the container 44 .
  • This pump 52 implements a means for dispensing water contained in the container and communicates with the non-potable water (NPW) supply line 54.
  • NPW non-potable water
  • This NPW supply line 54 supplies at least one NPW consumer 56, for example in the form of plant watering, a water playground or a cattle trough.
  • a switching valve can be provided on the NPW supply line 54 , for example at reference number 52 , which is designed to communicate with the supply line 54 and the container 44 .
  • the switching valve can then typically be switched by the level controller 38 .
  • the container 44 is also assigned a filling level determination with a filling level sensor 60 which is connected to the filling level controller 38 in terms of data.
  • the level controller 38 may be connected to the pump 52 .
  • the pump 52 can be controlled depending on the internal pressure in the NPW supply line 54 and maintain a certain supply pressure in the NPW supply line 54 .
  • the exemplary embodiment serves to maintain hygienically safe water, which can be removed via the removal points 14 and thus via the respective lines 8 , 10 .
  • the condition of the water is monitored via the sensors 28 previously described.
  • the flush control 24 which processes the signals from the sensors 28, triggers a flush. Flushing can take place in that the associated flushing valve 22.1 is opened. Alternatively, the flushing valve 22.1 assigned to the story line 10.1 can also be open and the flushing can be triggered by opening the inlet valve 30. For this purpose, the flushing control 24 communicates with the filling level control 38. Both controls 24, 38 can be provided in a common control housing and connected to one another in terms of data be.
  • the opening of the respective valve 22.1; 30 leads to the rinsing of the upper floor section 10.1 and thus to the replacement of the hygienically unsafe water from the upper floor section 10.1.
  • the drained water runs into the container 44 and increases the level in the container 44.
  • the actual level is determined by the level sensor 60 and reported to the level controller 38.
  • the fill level sensor 60 causes the inlet valve 30 to open. This opening is coordinated with the opening of the flushing valves 22 so that the tank 44 can also be filled when the tank 44 is filled to meet hygiene requirements.
  • the individual scavenging valves 22 can be opened at the same time as the tank is being filled or sequentially in time, with the respective other scavenging valves 22 being closed at the same time in the latter case.
  • the backflow preventers 26 prevent water from flowing back from the flushing line 32 or another floor section 10.1-10.3 into one of the floor sections 10.1-10.3.
  • the level controller 38 activates the inflow valve 36. Bypassing strands 8, 10 drinking water is thus supplied with a relatively high flow rate via the tank supply line 34. Ideally, this is laid solely for the inflow of water into the container 44 .
  • This container supply line 34 can also be provided with sensors that indicate the need to flush the line 34 .
  • Excessive consumption of liquid from the container 44 can also be met by placing different flushing valves 22 in parallel in order to drain water from multiple lines 10 . However, only so many flushing valves are opened in parallel that the drinking water supply at the tapping points 14 does not break down due to the pressure loss.
  • the tank supply line 34 is used not only to fill the tank 44, but also to avoid excessive pressure loss in the drinking water installation when the tank 44 is filled.
  • the flushing controller 24 determines in the above-described initial situation, in which the flushing valve of the upper story line 10.1 is open, that hygienically unsafe conditions exist or threaten, for example, in the lower story line 10.3, the upper flushing valve 22.1 is closed and the lower flushing valve 22.3 opened. This will be done at the same time to ensure the supply of the container 44.
  • the non-return valve 26 to the respective storey lines 10.1 or 10.3 prevents a backflow due to a temporarily different pressure at the end of the respective line line 10.1, which are connected to one another via the flushing line 32.
  • the flushing valve 22.3 is open.
  • the corresponding floor strand 10.3 is flushed.
  • the filling level controller 38 controls the inlet valve 30 in such a way that it opens. Accordingly, the inlet valve 30 is not opened due to water draining out of the container 44, but is controlled by the flushing process. From the rinsing line 32, the water drained as part of the rinsing flows into the tank 44. A specification stored in the fill level control 38 that the level of the tank 44 must not rise so far that water flows out of the tank 44 and over the overflow 46 into the Sewage line 50 reaches must be switched off by the flush control. If the water discharged by flushing exceeds the capacity of the tank 44 or if there is no consumption of NPW water in the NPW supply line 54, the water fed to the tank 44 by flushing is discharged via the overflow 46 in the manner previously described.
  • the corresponding flushing valve 22.3 closes.
  • the level control 38 receives a corresponding signal so that the level control 38 returns to the usual operating mode, in which the supply of the NPW supply line 54 is provided with water and only care is taken that the container 44 is sufficiently filled and that the inflow of water into the container 44 before reaching the overflow 46 is stopped.
  • the exemplary embodiment can be used to supply NPW consumers with water removed by flushing.
  • water as a resource is used sparingly.
  • hygienically safe conditions in the drinking water supply lines are guaranteed by flushing.
  • the figure shows the drinking water installation with the supply line 8, 10 provided downstream of the point of transition 2 of drinking water, the supply line 8, 10 supplying several points of extraction 14 of drinking water.
  • the flushing valve 22 adapted for flushing the supply line 8, 10, provided downstream of the last point of withdrawal 14 of potable water and connecting the supply line 8, 10 to the flushing line 32, is also shown.
  • the flushing valve 22 is coupled in terms of control to the flushing control 24, which activates the flushing valve 22 for flushing the supply line 8, 10, the flushing line 32 draining via the free outlet 42 into a container 44 which is provided with the overflow 46 and which is associated with a means 52 for discharging water contained in the container 44, to which the supply line for non-potable water or NPW supply line 54 with at least the consumer 56 is arranged downstream in the direction of flow.
  • the filling level determination with the filling level sensor 60 and the filling level control 38 are assigned to the container 44 , which admits water into the container 44 depending on the filling level determination.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Devices For Dispensing Beverages (AREA)
EP22188788.8A 2021-08-19 2022-08-04 Installation d'eau potable Pending EP4137645A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202021104440.3U DE202021104440U1 (de) 2021-08-19 2021-08-19 Trinkwasser-Installation

Publications (1)

Publication Number Publication Date
EP4137645A1 true EP4137645A1 (fr) 2023-02-22

Family

ID=77851822

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22188788.8A Pending EP4137645A1 (fr) 2021-08-19 2022-08-04 Installation d'eau potable

Country Status (2)

Country Link
EP (1) EP4137645A1 (fr)
DE (1) DE202021104440U1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202012102881U1 (de) * 2012-07-31 2012-11-23 Wolfgang Behm Hygienespülvorrichtung
EP1845207B1 (fr) 2006-04-13 2016-05-11 Gebr. Kemper GmbH + Co. KG Metallwerke Système d'eau potable tout comme son procédé de fonctionnement
WO2020160916A1 (fr) * 2019-02-06 2020-08-13 Kwc Ag Dispositif d'écoulement pour la connexion d'un système d'eau potable
DE102019107179A1 (de) * 2019-03-20 2020-09-24 Klaus-Dieter Will Verfahren zur Wasserversorgung von mindestens einer Wasserentnahmestelle mit Kalt- und Warmwasser

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1845207B1 (fr) 2006-04-13 2016-05-11 Gebr. Kemper GmbH + Co. KG Metallwerke Système d'eau potable tout comme son procédé de fonctionnement
DE202012102881U1 (de) * 2012-07-31 2012-11-23 Wolfgang Behm Hygienespülvorrichtung
WO2020160916A1 (fr) * 2019-02-06 2020-08-13 Kwc Ag Dispositif d'écoulement pour la connexion d'un système d'eau potable
DE102019107179A1 (de) * 2019-03-20 2020-09-24 Klaus-Dieter Will Verfahren zur Wasserversorgung von mindestens einer Wasserentnahmestelle mit Kalt- und Warmwasser

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
BOGER G A ET AL: "Beuth-Kommentare", 1 January 1989, BEUTH VERLAG GMBH, XP003023649 *

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