EP3690151B1 - Système d'eau potable et d'eau sanitaire et son procédé de rinçage - Google Patents

Système d'eau potable et d'eau sanitaire et son procédé de rinçage Download PDF

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Publication number
EP3690151B1
EP3690151B1 EP20153854.3A EP20153854A EP3690151B1 EP 3690151 B1 EP3690151 B1 EP 3690151B1 EP 20153854 A EP20153854 A EP 20153854A EP 3690151 B1 EP3690151 B1 EP 3690151B1
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EP
European Patent Office
Prior art keywords
drinking
water system
temperature sensor
flushing
difference
Prior art date
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Active
Application number
EP20153854.3A
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German (de)
English (en)
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EP3690151A1 (fr
Inventor
Thomas Spöler
Manuel Schuppert
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Gebr Kemper GmbH and Co KG
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Gebr Kemper GmbH and Co KG
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Publication of EP3690151A1 publication Critical patent/EP3690151A1/fr
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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
    • E03B7/00—Water main or service pipe systems
    • E03B7/006—Arrangements or methods for cleaning or refurbishing water conduits
    • 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
    • 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
    • E03B7/078—Combined units with different devices; Arrangement of different devices with respect to each other
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/02—Plumbing installations for fresh water
    • E03C1/10—Devices for preventing contamination of drinking-water pipes, e.g. means for aerating self-closing flushing valves

Definitions

  • the present invention relates to a drinking and industrial water system with the preamble features of claim 1. Such a drinking and industrial water system is derived from that which goes back to the applicant DE 20 2008 002 822 U1 known.
  • the present invention also relates to a method for flushing such a system.
  • the previously known drinking and service water system has a connection to the public water supply network in the basement of a building.
  • Several supply lines for supplying various water consumers within the building are fed with fresh water via this connection. If water is not drawn by a consumer, stale water in the supply lines can be drained into a sewer line via a flush valve.
  • the flushing valve is provided at one end of the supply line or supply lines and is connected in terms of control to a central control unit. In particular, the position of the flush valve can be controlled by means of a motor line. This is usually connected indirectly via a decentralized control unit or directly to the central control unit.
  • the central control unit usually coordinates all flushing processes in a building and evaluates the temperature signals described below.
  • a cable connection of sensors and valves for monitoring and regulating the drinking water system can also take place via decentralized controls distributed throughout the building. These decentralized controls can in turn be an integral part of an overall unit, which can also contain sensors and valves. Automated flushing processes can be programmed using a time module integrated in the central control unit. In addition, a water temperature measured by a temperature sensor can be transmitted to the central control unit. Depending on the measured temperature, the period of the rinsing cycles can be adjusted so that, for example, in summer, when the pipes and the water in them heat up faster, rinsing takes place at shorter intervals than in winter.
  • a flushing device which has a temperature sensor for recording the temperature profile of the water temperature over time included in a drinking water pipe. If this temperature sensor records a constant temperature curve over a specified period of time, a flushing process is triggered by opening a flushing valve. If the temperature sensor does not record a constant temperature profile over a specified period of time, a flushing process is omitted in that the flushing valve remains closed.
  • a drinking water pipe remains unused for a longer period of time, the temperature of the standing water in it adjusts to the ambient temperature. A thermal equilibrium is established between the environment and the drinking water pipe. If the ambient temperature is in the range of room temperature, the formation of germs such as legionella is favored. Rinsing the drinking water line is then necessary with a view to drinking water hygiene.
  • EP 2 500 475 A2 it may still be the case that such a flushing process is suspended. Because the adjustment of the water temperature in the drinking water pipe to the ambient temperature does not result in a constant temperature curve. Furthermore, the ambient temperature is not constant. When it gets dark or night, for example, the ambient temperature usually drops. This also reduces the temperature of the water standing in the drinking water pipe. The temperature profile of the drinking water in the drinking water pipe is seldom constant over a certain period of time, even if it is not used. External influences can, as shown, lead to the flushing device after DE 10 2011 013 955 A1 or. EP 2 500 475 A2 misinterprets the measured temperature profile, interprets a deviation from a constant temperature profile as being used by a consumer and suspends a flushing process even though the drinking water line was not used adequately or at all.
  • the prior art provides room for improvement in terms of flushing efficiency.
  • One object of the present invention is therefore to specify a drinking and service water system which, with an efficient flushing device, meets the hygienic requirements placed on a drinking water system, and a method for flushing such a system.
  • the present invention specifies a drinking and service water system with the features of claim 1.
  • This drinking and service water system has a connection to the public water supply network, via which at least the supply line leading to at least one consumer is fed with fresh water.
  • the flushing valve for draining water from the drinking and service water system is arranged downstream of the consumer in the direction of flow and is connected in terms of control to a control unit, which comprises a flushing module that enables the control unit to flush rinsing processes at certain times and / or at certain time intervals and / or as a function of measured Temperatures.
  • the control unit controls a drive that z. B. provides a valve body of the flush valve relative to a valve seat of the flush valve via an axially movable or a rotatably mounted adjusting element.
  • flushing can be programmed into the control unit at defined times and / or at defined time intervals (for example every eight hours) and / or as a function of the measured temperatures. Such preprogramming is commonly referred to as a flush schedule.
  • the drinking and service water system has a first temperature sensor upstream of the consumer in the direction of flow. This measures the water temperature in the supply line.
  • a second temperature sensor is arranged between the consumer and the flush valve. The control unit is set up to decide, based on a temperature difference between a measured value of the first temperature sensor and a measured value of the second temperature sensor, whether a washing process specified according to the washing schedule is carried out, omitted or postponed.
  • the time intervals between two rinsing processes are usually chosen so that the water in the lines does not develop into a critical temperature range in which bacteria formation is favored, even if a consumer fails to tap.
  • the time intervals are usually fixed.
  • a temperature-controlled flush can be programmed into the flush schedule in addition or as an alternative to the pure time-controlled flush.
  • the control unit initiates a flushing process, ie opens the flush valve and then closes it again when sufficient standing water has been drained from the system and replaced with fresh cold water.
  • "Flushing” means an exchange of water standing in the line. Regular tapping or a single long-lasting tapping process can make a flushing process programmed according to the flushing schedule superfluous. If it is then rinsed anyway, water is used unnecessarily. Usually, all of the water standing in front of the flush valve in the upstream pipe system is drained off.
  • the present invention provides a solution to this problem.
  • the temperature in the supply line usually drops, as cold water flows in via the connection to the public water supply network. This causes a temperature difference between the measured values of the first and the second temperature sensor. This is because the second temperature sensor is arranged behind the consumer in the direction of flow, preferably assigned to the flushing valve and / or arranged directly in front of the flushing valve. While the temperature in the area of the first temperature sensor is reduced essentially instantaneously through the direct exchange of water in the line with cold water, the temperature in the area of the second temperature sensor is equalized with the cold water that has flowed in, which remains in the line after the tapping process has ended , only gradually through heat transfer (convection).
  • the area of the second temperature sensor is generally not flowed through directly by the cold water flowing in. In this respect, the processes in these two areas take place on different time scales, which means that a temperature difference can be determined between the measured values of the first and the measured values of the second temperature sensor during a tapping process.
  • the first and second temperature sensors usually measure continuously and are connected to the control unit in terms of data.
  • a temperature difference between the measured values of the first temperature sensor and the measured values of the second temperature sensor is usually determined in the control unit at defined time intervals, usually of at most one minute.
  • the control unit contains a logic unit which determines a temperature difference by calculating the difference between the measured value of the first and the measured value of the second temperature sensor, the difference being logged or stored if necessary. The calculation of the difference can preferably be carried out continuously.
  • control unit can draw conclusions about the usage behavior of the consumers. These conclusions flow into the decision of the control unit as to whether a flushing process should be carried out, omitted or postponed.
  • the invention brings about a usage-oriented change in the flushing schedule.
  • the inventive drinking and Domestic water system less susceptible to external influences. This is because these have the same effect on both temperature sensors, so that their effects have no influence on the difference between the measured value of the first temperature sensor and the measured value of the second temperature sensor.
  • the present invention thus allows a hygienically safe operation of a drinking and service water system. If, for example, a significant tapping process takes place directly before a flushing process specified in accordance with the flushing schedule, i.e. a larger amount of water is withdrawn from the system by a consumer, the specified flushing process can be dispensed with or postponed. Because the consumption-related exchange of water during a significant tapping process means that sufficient fresh water flows into the system so that the subsequent rinsing process can be dispensed with in order to meet the hygienic requirements. If the time interval to the next scheduled flushing process is too long, the planned flushing process and all subsequent flushing processes can only be postponed by a certain time. The period between the individual subsequent flushing processes is usually not changed.
  • a connection to the public water supply network within the meaning of the present invention is in particular such an area of a drinking and service water system of a building that communicates directly with the domestic water meter, but does not yet have a branch that leads to one or more supply lines.
  • the water drained off via the flush valve is usually discharged via a sewer pipe connected to a sewer outlet.
  • a waste water outlet in the sense of the present invention that pipeline area of a drinking and service water system of a building is to be understood, which transfers the waste water to the public waste water network.
  • the connection to the public water supply network and the waste water outlet are usually located immediately adjacent to one another and at basement level.
  • the supply line or the supply lines usually have a nominal diameter of DN 20 or larger.
  • control unit is set up in such a way that the difference between the measured value of the first temperature sensor and the measured value of the second temperature sensor is formed at predetermined time intervals and is stored in the control unit for a defined minimum duration.
  • the predetermined time intervals between two difference values are usually the same.
  • the time interval between two difference values is preferably at most one minute.
  • the specified minimum duration is preferably 24 hours.
  • control unit is set up in such a way that a flushing process specified in accordance with the flushing schedule can be suspended or shifted if the difference before the planned start time of the specified flushing process is at least 2.5 ° C, preferably at least 3 ° C, very preferably is at least 3.5 ° C and particularly preferably at least 4 ° C. If a difference is calculated that corresponds to these values, it is concluded that there is a significant tapping process.
  • the control unit is set up in such a way that the duration of a dispensing process can be determined from the time profile of the difference.
  • the starting time of a dispensing process is usually the time from which the difference increases.
  • the end time of the dispensing process is accordingly usually the time from which the difference decreases.
  • the fact that the difference decreases again after a tap is due to the fact that the water temperature in the pipe gradually equalizes through heat transfer.
  • the duration of the dispensing process is the duration between the start and end time of the dispensing process.
  • the control unit is set up in such a way that a specified flushing process can be interrupted or shifted if the sum of the duration of all, preferably significant, tapping processes in a certain time interval before the planned start time of a specified flushing process reaches or exceeds a specified limit value .
  • the specific time interval before the scheduled start time can be one hour, for example.
  • the exact time interval is preferably adjustable and stored in the control unit.
  • the limit value is also usually stored in the control unit and is preferably adjustable.
  • control unit determines whether sufficient water was exchanged due to the usage behavior of the consumers. If the control unit decides that sufficient water has been exchanged due to usage behavior, it suspends or postpones the next scheduled rinsing process.
  • At least two consumers are connected to the supply lines, a further temperature sensor being arranged between these consumers.
  • a usage profile can be created for each individual consumer.
  • the further temperature sensor fulfills the function of the first temperature sensor for the downstream consumer.
  • the supply line comprises at least one floor line and several floor lines.
  • the row of floors usually extends vertically over one or more floors.
  • a floor string usually does not extend beyond a single floor.
  • each tier there is at least one consumer and a temperature sensor upstream of the consumer in the direction of flow. This means that a usage profile can be created for each individual floor.
  • a flushing valve is provided at the end of each floor line so that the individual floors can be flushed differently depending on their use.
  • the consumers can be connected to the supply line in a variety of ways. For example, several consumers can be connected to the supply line via a flow divider.
  • the connection can just as easily be implemented via a T-piece installation or a ring installation.
  • a supply line looped through between the connection to the public water supply network, the consumers and the flushing valve as a looped-through floor installation is also conceivable.
  • Free drainage is usually provided in the area of the water outlet.
  • the free flow is usually characterized by the fact that the water covers a fall distance in the gravitational field of the earth, which either runs directly in the surrounding atmosphere or is atmospherically connected to it. In this way it can be prevented that a possible backflow within a sewage line can get into the supply line.
  • An overflow monitoring device is usually also provided in the area of the free drainage. This usually communicates with the control unit and / or a flow rate limiter assigned to the flushing valve, so that in the event of an impending overflow at the free outlet, the flow rate from the drinking and service water system can be regulated or reduced or even completely prevented. Additionally or alternatively, the overflow monitoring system can output a warning signal, for example optically or acoustically, and / or report it to a higher-level building management system.
  • control unit is set up in such a way that the difference between the measured value of the first temperature sensor and the measured value of the second temperature sensor is compared with a reference value in the control unit.
  • the reference value can be a constant or a stored difference, determined at an earlier point in time, between the measured value of the first temperature sensor and the measured value of the second temperature sensor.
  • the reference value can also be a Be the reference temperature difference, which corresponds to a mean value or a median of a large number of difference values.
  • the control unit is set up in such a way that the specified flushing process is suspended, postponed or canceled if the difference is greater than the reference value.
  • the reference value is preferably a constant, for example 2.5 ° C., 3 ° C., 3.5 ° C. or 4 ° C.
  • the reference value is a stored difference between the measured value of the first temperature sensor and the measured value of the second temperature sensor.
  • the difference for example, the determined difference at the same time of the previous day can be defined as the reference value.
  • the reference value is a reference temperature difference which corresponds to the median of a large number of difference values.
  • the median is preferably formed from difference values determined at an interval of one hour. For example, the last 23 differential values measured every full hour can be used to calculate the median.
  • the reference value is a reference temperature difference which corresponds to the mean value from a large number of difference values.
  • the oldest difference value used in the calculation of the mean value is preferably at most 24 hours old at the time of the calculation. More preferably, the mean value is calculated at a preset time and usually stored until it is replaced or overwritten on the following day by the mean value calculated again at the preset time.
  • the reference value is a reference temperature difference which corresponds to the mean value from a large number of difference values, the mean value being formed from the difference values determined on the previous day.
  • the present invention provides a method for flushing a drinking and service water system.
  • a temperature difference is formed between a temperature measured in an area in front of a flushing valve and a temperature measured in an area in front of a consumer
  • the control unit decides whether a flushing process is carried out, omitted or postponed. Performing is to be understood in particular as starting or continuing. Failure to do so is to be understood in particular as terminating or not starting.
  • an area in front of the consumer is to be understood as a line section that extends between the consumer and a connection to the public water supply network.
  • the area in front of the flushing valve is usually understood to be a line section that extends between the flushing valve and the consumer.
  • a temperature sensor for measuring the temperature is usually provided in each of these areas.
  • a first temperature sensor is preferably assigned directly to the consumer and a second temperature sensor is assigned directly to the flushing valve.
  • a flushing module of the control unit generally specifies the opening of the flushing valve at specific times and / or at specific time intervals and / or as a function of measured temperatures. Usually the difference between the measured values of the first and the second temperature sensor is formed. This can be formed and preferably stored as a function of time by measuring at discrete time intervals or by continuous measuring. The time period to be taken into account for the decision on purging can preferably be set.
  • the method according to the invention is preferably designed according to one or more of the developments discussed above.
  • FIG Figure 1 shows a schematic representation of an embodiment of the drinking and service water system according to the invention.
  • the Figure 1 shows a schematic representation of an embodiment of a drinking and service water system of a building not shown in detail.
  • the building's drinking and service water system has a connection 2 to the public water supply network in order to supply the building with fresh water. This fresh water is usually cold water.
  • a supply line which comprises a tier 4, is fed via the connection 2.
  • the story line 4 extends in the vertical direction from the basement or ground floor to a second floor.
  • the first and second floors are each supplied with water by a floor line 6 which is connected to the floor line 4 and runs horizontally in the respective floor.
  • On every floor three consumers 8 are connected to the storey line 6 via a ring installation.
  • a flush valve 10 is arranged in each case.
  • the flushing valves 10 are connected to a control unit 12 in terms of control.
  • the control unit 12 contains a time module which specifies the times at which the control unit opens the flushing valves 10 for the control unit 12.
  • a time module which specifies the times at which the control unit opens the flushing valves 10 for the control unit 12.
  • water flows out of the drinking and industrial water system via a free drain 14 into a waste water line 16.
  • a first temperature sensor 18 is arranged upstream of the consumers 8 in the direction of flow in front of the ring installation.
  • the first temperature sensor 18 measures the water temperature in the storey line 6 upstream of the consumers 8 and sends the measured temperature to the control unit 12.
  • fresh cold water flows from the connection 2 via the storey line 4 into the storey line 6.
  • the fresh cold water flowing in has a lower temperature than the stale water already in the tier.
  • the measured temperature of the first temperature sensor 18 therefore generally falls in the event of a tapping process by a consumer 8.
  • a second temperature sensor 20 is assigned to the flushing valve 10 and is located directly in front of it in the direction of flow.
  • the second temperature sensor 20 also continuously measures the water temperature and sends the measured values to the control unit 12.
  • the measured temperature of the second temperature sensor 20 usually changes during a tapping process of a consumer 8 on a different time scale than that of the first temperature sensor 18, since Line section in which the second temperature sensor 20 is located is not directly traversed by the fresh cold water, as is the case with the first temperature sensor 18.
  • the control unit 12 can therefore determine with an integrated logic that a temperature difference arises between the first temperature sensor 18 and the second temperature sensor 20 when a consumer 8 is dispensing.
  • the control unit can suspend or postpone a flushing process specified by the time module.
  • the control unit 12 can be set up in such a way that several such dispensing processes in which the limit value is exceeded must be registered in a specified time window of, for example, 4 hours before the planned start time of a specified flushing process in order to decide that the specified flushing process has been suspended or canceled. should be moved.
  • Two further temperature sensors 22 are provided in floor line 6 of the first floor, each of which is arranged between two consumers 8.
  • the further temperature sensors 22 also continuously measure the water temperature and send the measured values to the control unit 12.
  • the control unit 12 can compare the measured values of the further temperature sensors 22 with the measured temperatures of the second temperature sensor 20 in order to create a separate usage profile for each individual consumer 8 to create.

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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)
  • Domestic Plumbing Installations (AREA)

Claims (15)

  1. Système d'eau potable et industrielle comprenant un raccordement (2) au réseau public d'alimentation en eau, au moins une conduite d'alimentation (4, 6) menant à au moins un consommateur (8), un robinet de chasse (10) situé en aval du consommateur (8) dans le sens de circulation et permettant d'évacuer de l'eau issue du système d'eau potable et industrielle, une unité de commande (12) reliée en termes de commande au robinet de chasse (10) et un premier capteur de température (18) situé en amont du consommateur (8) dans le sens de circulation, dans lequel l'unité de commande (12) comprend un module de chasse qui prescrit des opérations de chasse à l'unité de commande (12) à des moments définis et/ou à des intervalles de temps définis et/ou en fonction d'une température mesurée, caractérisé en ce que
    un second capteur de température (20) est agencé entre le consommateur (8) et le robinet de chasse (10), et en ce que l'unité de commande (12) est conçue pour décider, sur la base d'une différence de température entre une valeur de mesure du premier capteur de température (18) et une valeur de mesure du second capteur de température (20), si l'opération de chasse prescrite est mise en œuvre, omise ou déplacée.
  2. Système d'eau potable et industrielle selon la revendication 1, caractérisé en ce que l'unité de commande (12) est conçue pour former une différence entre la valeur de mesure du premier capteur de température (18) et la valeur de mesure du second capteur de température à des intervalles de temps prédéfinis et pour la mémoriser pendant une durée minimale fixée.
  3. Système d'eau potable et industrielle selon la revendication 2, caractérisé en ce que l'unité de commande (12) est conçue pour déterminer une durée d'une opération de puisage à partir du profil temporel de la différence.
  4. Système d'eau potable et industrielle selon la revendication 3, caractérisé en ce que l'unité de commande (12) est conçue de telle manière qu'une opération de chasse prescrite peut être suspendue ou déplacée lorsque la somme de la durée de toutes les opérations de puisage au sein d'un intervalle de temps défini avant un instant de démarrage planifié de l'opération de chasse prescrite atteint ou dépasse une valeur limite fixée.
  5. Système d'eau potable et industrielle selon l'une quelconque des revendications précédentes, caractérisé en ce qu'au moins deux consommateurs (8) sont raccordés à la conduite d'alimentation (4, 6) et en ce qu'un autre capteur de température (22) est agencé entre lesdits consommateurs (8).
  6. Système d'eau potable et industrielle selon l'une quelconque des revendications précédentes, caractérisé en ce que la conduite d'alimentation (4, 6) comprend au moins une ligne de desserte d'étages (4) et plusieurs lignes d'étage (6), et en ce qu'au moins un consommateur (8), un capteur de température (18) situé en amont du consommateur (8) dans la direction de circulation et un robinet de chasse (10) situé en aval du consommateur (8) dans la direction de circulation sont agencés au sein de chaque ligne d'étage (6).
  7. Système d'eau potable et industrielle selon l'une quelconque des revendications 2 à 6, caractérisé en ce que l'unité de commande est conçue pour comparer la différence entre la valeur de mesure du premier capteur de température et la valeur de mesure du second capteur de température avec une valeur de référence et pour suspendre, déplacer ou annuler une opération de chasse prescrite si la différence est supérieure à la valeur de référence.
  8. Système d'eau potable et industrielle selon la revendication 7, caractérisé en ce que la valeur de référence est une constante, en particulier 2,5°C, 3°C, 3,5°C ou 4°C.
  9. Système d'eau potable et industrielle selon la revendication 7, caractérisé en ce que la valeur de référence est une différence de température de référence qui correspond à une différence mémorisée entre la valeur de mesure du premier capteur de température et la valeur de mesure du second capteur de température.
  10. Système d'eau potable et industrielle selon la revendication 7, caractérisé en ce que la valeur de référence est une différence de température de référence qui correspond à la valeur médiane issue d'une pluralité de valeurs de différence.
  11. Système d'eau potable et industrielle selon la revendication 7, caractérisé en ce que la valeur de référence est une différence de température de référence qui correspond à la valeur moyenne issue d'une pluralité de valeurs de différence.
  12. Système d'eau potable et industrielle selon la revendication 11, caractérisé en ce que la valeur de différence la plus ancienne qui est entrée dans le calcul de la valeur moyenne remonte à au plus 24 heures.
  13. Système d'eau potable et industrielle selon la revendication 1, caractérisé en ce que la valeur moyenne est calculée par rapport à une heure par défaut.
  14. Système d'eau potable et industrielle selon la revendication 11, caractérisé en ce que la valeur moyenne est formée à partir des valeurs déterminées du jour précédent.
  15. Procédé de chasse d'un système d'eau potable et industrielle, dans lequel une différence de température est formée entre une température mesurée dans une région située en amont d'un robinet de chasse et une température mesurée dans une région située en amont d'un consommateur, sur la base de laquelle une unité de commande reliée en termes de commande au robinet de chasse décide si une opération de chasse est mise en œuvre, omise ou déplacée.
EP20153854.3A 2019-01-31 2020-01-27 Système d'eau potable et d'eau sanitaire et son procédé de rinçage Active EP3690151B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102019201263.9A DE102019201263A1 (de) 2019-01-31 2019-01-31 Trink- und Brauchwassersystem und Verfahren zum Spülen desselben

Publications (2)

Publication Number Publication Date
EP3690151A1 EP3690151A1 (fr) 2020-08-05
EP3690151B1 true EP3690151B1 (fr) 2021-12-22

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EP20153854.3A Active EP3690151B1 (fr) 2019-01-31 2020-01-27 Système d'eau potable et d'eau sanitaire et son procédé de rinçage

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Country Link
US (1) US11225780B2 (fr)
EP (1) EP3690151B1 (fr)
CA (1) CA3069200C (fr)
DE (1) DE102019201263A1 (fr)
DK (1) DK3690151T3 (fr)

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LU102009B1 (de) * 2020-08-21 2022-02-21 Wilo Se Verfahren zum Betreiben und/ oder Überwachen einer Wasserzirkulation
DE102020006534A1 (de) 2020-10-24 2022-04-28 Joachim Klein Kostengünstige Sicherheitsvorrichtung zur einfachen Installierung zwischen einer Trinkwasserleitung und einer Nichttrinkwasserleitung, zuverlässigen hygienischen Trennung zwischen Trinkwasser und Nichttrinkwasser und zur nachhaltigen Hygienisierung zumindest eines Teils derselben
EP4256142A1 (fr) * 2020-12-03 2023-10-11 Geberit International AG Système de chasse d'eau sanitaire
DE202021101228U1 (de) 2021-03-11 2021-03-22 Gebr. Kemper Gmbh + Co. Kg Trinkwasser-Installation
CN114837254B (zh) * 2022-03-31 2024-03-08 中船邮轮科技发展有限公司 减少备用系统vsp冲洗时间的舰船饮用水分配系统
CN114809195B (zh) * 2022-05-17 2023-04-18 江苏迈科道环境科技有限公司 无负压供水设备远程监控系统及方法
DE202023000983U1 (de) 2023-05-04 2023-08-04 Joachim Klein Sicherheitsvorrichtung zur einfachen Installierung zwischen einer Trinkwasserleitung und einer Nichttrinkwasserleitung, zuverlässigen hygienischen Trennung zwischen Trinkwasser und Nichttrinkwasser und nachhaltigen Hygienisierung

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US11225780B2 (en) 2022-01-18
US20200248437A1 (en) 2020-08-06
DE102019201263A1 (de) 2020-08-06
CA3069200A1 (fr) 2020-07-31
DK3690151T3 (da) 2022-03-21
EP3690151A1 (fr) 2020-08-05
CA3069200C (fr) 2022-05-31

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