EP3337931A1 - Dispositif, système et procédé de rinçage automatique au moyen d'une soupape multiple - Google Patents

Dispositif, système et procédé de rinçage automatique au moyen d'une soupape multiple

Info

Publication number
EP3337931A1
EP3337931A1 EP16751277.1A EP16751277A EP3337931A1 EP 3337931 A1 EP3337931 A1 EP 3337931A1 EP 16751277 A EP16751277 A EP 16751277A EP 3337931 A1 EP3337931 A1 EP 3337931A1
Authority
EP
European Patent Office
Prior art keywords
liquid
valve
flushing
discharge line
rinsing
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.)
Granted
Application number
EP16751277.1A
Other languages
German (de)
English (en)
Other versions
EP3337931B1 (fr
Inventor
Ulrich Kuhbier
Verena Stelthove
Tobias KLOSTA
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.)
Viega Technology GmbH and Co KG
Original Assignee
Viega Technology 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 Viega Technology GmbH and Co KG filed Critical Viega Technology GmbH and Co KG
Publication of EP3337931A1 publication Critical patent/EP3337931A1/fr
Application granted granted Critical
Publication of EP3337931B1 publication Critical patent/EP3337931B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027—Cleaning the internal surfaces; Removal of blockages
    • B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
    • B08B9/0321—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid
    • B08B9/0325—Control mechanisms therefor
    • 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
    • E03B7/07—Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons or valves, in the pipe systems
    • E03B7/071—Arrangement of safety devices in domestic pipe systems, e.g. devices for automatic shut-off
    • 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
    • E03C1/05—Arrangements of devices on wash-basins, baths, sinks, or the like for remote control of taps
    • E03C1/055—Electrical control devices, e.g. with push buttons, control panels or the like
    • 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
    • E03C1/12—Plumbing installations for waste water; Basins or fountains connected thereto; Sinks
    • E03C1/122—Pipe-line systems for waste water in building
    • E03C1/1222—Arrangements of devices in domestic waste water pipe-line systems
    • 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
    • E03C1/12—Plumbing installations for waste water; Basins or fountains connected thereto; Sinks
    • E03C1/28—Odour seals
    • E03C1/284—Odour seals having U-shaped trap
    • 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
    • E03C1/12—Plumbing installations for waste water; Basins or fountains connected thereto; Sinks
    • E03C1/28—Odour seals
    • E03C1/284—Odour seals having U-shaped trap
    • E03C1/288—Odour seals having U-shaped trap having non-return valves against return of waste water
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D17/00—Domestic hot-water supply systems
    • F24D17/0073—Arrangements for preventing the occurrence or proliferation of microorganisms in the water
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/87265—Dividing into parallel flow paths with recombining
    • Y10T137/87298—Having digital flow controller

Definitions

  • the invention relates to a device for automatic rinsing of
  • Liquid pipes in particular drinking water pipes, with at least one connection for a water line, with at least one connection for one
  • the invention further relates to a system of water pipes with a device according to the invention, with a water line connected to the device and with a waste water line connected to the device. Furthermore, the invention relates to a method for automatically flushing water pipes using a
  • EP 1 964 983 B1 discloses a method which can effect the rinsing of a drinking water system electronically via a central controller.
  • the rinse frequency or duration can be increased to ensure better hygiene.
  • an increased flushing has the disadvantage that the flushing can take place at times, to which residents feel disturbed, for example due to the night's sleep. Also associated with a more frequent rinsing
  • the invention is therefore an object of the invention to provide a device, a system and a method for automatic rinsing, which allow a better adapted to the circumstances flushing.
  • the object is achieved by means of a device for automatic rinsing of liquid lines in that the
  • Flush valve includes a multi-valve with parallel valves.
  • the device according to the invention has at least one connection for a liquid path and at least one connection for a discharge path.
  • the connections are used in particular liquid-tight and pressure-tight
  • connections for example, one or more pipe sockets or fittings may be provided for connection to pipes.
  • the connections can be dimensioned according to the lines to be connected thereto, for example, the Connections for pipes with standardized nominal diameters from DN 8 to DN 150 must be designed in accordance with DIN EN ISO 6708, in particular for DN 20 to DN 100.
  • Water route or drinking water route in question for example, within a building or a floor of a building.
  • the device according to the invention can be used to automatically flush the contents of the water section into the public water disposal system connected to the connection for a discharge line and in particular the risk of deposits,
  • the flush valve locks in the closed state within the device access from the terminal for a
  • Liquid section for connection to a discharge line.
  • the flush valve can be opened and thus a flushing process can be initiated.
  • the purge valve includes a multiple valve with parallel valves.
  • the liquid flow or the volume of liquid passed through can be easily controlled by a liquid path connected to the device during a flushing process by opening a certain number of parallel valves.
  • the parallel valves which are connected via the connection in
  • connection with the liquid path allow a multiplication of the volume flow compared to a single valve.
  • the parallel valves each have the same cross section to be flowed through.
  • the purge valve is between a single port for one
  • the multi-valve can be used to regulate the flow rate in stages by fully opening or closing individual valves. In principle, a stepless control by partial opening or closing of individual valves is possible.
  • the same design of the device according to the invention can be used for a variety of different size liquid lines.
  • the number of used parallel valves from the multiple valve can be varied according to the size of the liquid line to which the device is connected.
  • the design and manufacture of automatic rinsing devices in different sizes or with individual valves of different sizes can be omitted, which increases the efficiency of the device.
  • the volume flows through the individual open valves can be achieved essentially independently of the pressure in the liquid line, for example in the range from 2 to 10 bar. This can be largely independent of the pressure in the.
  • the multiple valve has parallel solenoid valves. Solenoid valves are controlled in particular by electronic circuits and thus suitable for automation. Solenoid valves can also enable fast switching times.
  • a 4-way solenoid valve is suitable to cover a variety of applications for automatic rinsing.
  • the four parallel valves of the 4-way solenoid valve can each have the same dimensions.
  • the volume flow through the valve can thus be regulated by a complete opening of individual valves within four stages.
  • four solenoid valves with a flow rate of 12 1 / min ( ⁇ 10%) are used, whereby the flow rate depending on the connected liquid line or depending on the mode and flushing in stages 0 - »12 - * 24 -> 36 -> 48 1 / min (in each case 10%) can be regulated.
  • Stepless control is also possible in principle by a partial opening of individual solenoid valves.
  • the multiple valve has a maximum
  • Volume flow of at least 30 l / min, preferably 45 1 / min provides. This scale has been found to be adequate for many liquid line sizes and also for large pipe diameters, to allow rinses with low purging durations. Short flushing times are beneficial in reducing noise pollution.
  • connection is designed for a discharge line for a pressurized discharge line.
  • connection is between purge valve and the
  • connection arranged for a discharge line a free outlet.
  • the free outlet is designed so that it meets the requirements of a free outlet of type AB according to DIN EN 1717.
  • the free outlet does not have a circular cross-section.
  • the connection is designed for a discharge line with a jet regulator.
  • a jet regulator is a device which controls the flow of the
  • a jet regulator allows a uniform and uniform outflow jet.
  • Flushing valve and the connection for a discharge line provides a retention volume, which prevents, for example, in a dimensioned for the discharge line to high flow rate through the open flush valve or a clogged discharge line that the fluid derived by purging is pushed back into the liquid line.
  • the backflow tank In the event of a backflow, the backflow tank first fills with liquid before it reaches the liquid section. A safe automatic flushing is supported. In particular, in drinking water pipes contamination of the fresh drinking water by means of the flowing back because of a backwater
  • a backflow sensor monitors whether, due to a backflow during a flushing process, liquid recedes from the discharge line and threatens to enter the liquid line. Correspondingly, a backflow can be detected prematurely and, if appropriate, prevented by a timely closing of the flushing valve, that liquid from the discharge line passes through the flushing valve into the liquid path.
  • the backflow sensor can in particular a
  • Float sensor or a float switch include, which the
  • Liquid level in the discharge line or in a gearbox is also conceivable to use a pressure switch as a backflow sensor.
  • Backflow sensor can be arranged so that the volume of the vomstau mattersers sufficient to close the purge valve within its switching time before
  • Liquid from the discharge line can enter the liquid path.
  • a float sensor or float switch may be provided to monitor the liquid level in the sudstauously. Also, the use of one or more pushbuttons at the position of different
  • an odor trap is arranged between the flushing valve and the connection for a discharge line.
  • a siphon can be used, such as a tube siphon or bottle siphon.
  • Odor trap in the form of a valve is also conceivable.
  • An odor trap prevents the escape of gases from the discharge line, which is particularly advantageous in a free outlet.
  • the flushing valve comprises at least one flow rate limiter, in particular at least one flow rate limiter in each valve of the multiple valve. This allows the flow through the purge valve to be better regulated. In particular, it is supported by the fact that the volume flows through the individual open valves can be regulated substantially independently of the pressure in the liquid line.
  • the device according to the invention is a
  • Control unit provided which the opening and closing of the individual valves in Flushing valve controls.
  • the regulation of the rinsing processes and possibly the monitoring of parameters of the device can be integrated into the device via a control unit.
  • the control unit can trigger rinsing operations via external parameters, for example, time-dependent, and terminate.
  • the control unit can
  • the flow sensor may be disposed between the liquid path port and the purge valve or between the purge valve and the discharge line port to receive a flow of the fluid, possibly also the pressure and the flow.
  • a flow sensor between the connection for a liquid section and the flushing valve can serve in particular for leakage monitoring and, for example, in the event of an inadvertently not completely closed or leaking flushing valve, detect the flow of liquid.
  • Drinking water pipes with a device according to the invention, with a liquid path connected to the device and with a discharge line connected to the device.
  • the liquid path comprises one or more ring lines or
  • Fluid path along the lines on one or more consumers such as taps or fittings for discharges.
  • an automatic rinsing of the liquid path can be effected. Opening the purge valve provides a fluid path between the
  • Liquid line and the discharge line forth whereby the liquid from the liquid path can be at least partially derived or renewed when the liquid path is connected to a liquid source.
  • Flushing can reduce the number of open parallel valves from the
  • Liquid source but also individual consumers or side strands of
  • Liquid range be monitored with sensors and the amount of
  • the above-mentioned object is achieved by a method for automatic rinsing of liquid lines, in particular of drinking water lines, using a device according to the invention in that rinsing operations are provided in which the multiple valve is opened for rinsing a liquid path and after a rinsing period closed again.
  • the inventive method comprises such rinsing operations to liquid from the liquid path of the
  • the opening and closing of the multiple valve can in particular via a
  • Control unit to be controlled, in particular time-dependent, temperature-dependent and / or dependent on the flow through the liquid path.
  • Flow through the liquid path defines the number of valves to be opened in one flush in the multiple valve.
  • Fluid path through the purge valve in the discharge line can thus be regulated.
  • the number of valves to be opened is adapted to the volume to be purged and / or to the purging duration.
  • Rinsing process automatically ends in a backwater.
  • Backflow can be detected by a backflow sensor and cause automatic closure of the purge valve to prevent ingress of liquid from the discharge path into the fluid path. Especially in drinking water pipes thus contamination of the fresh drinking water is prevented by backflowing wastewater.
  • Fig. 1 is a schematic view of a first embodiment of the
  • Embodiment of the device according to the invention 3 is a schematic view of a second embodiment of the device according to the invention.
  • Fig. 4 is a perspective, schematic view of the second
  • Fig. 5 is a schematic view of an embodiment
  • Fig. 1 shows a schematic view of an embodiment of the
  • the device 2 for automatic rinsing.
  • the device 2 comprises a connection 4 for a liquid section, a connection 6 for a discharge line and a flushing valve 8, which is arranged between the connections 4, 6 for liquid section and discharge section.
  • the flush valve 8 according to the invention comprises a multiple valve, in this
  • Embodiment in the form of a 4-fold solenoid valve comprises a total of four solenoid-controlled valves 10 with the same cross section, of which only two valves 10a, 10b are visible in the view of FIG.
  • the valves 10 of the 4-way solenoid valve are arranged in parallel, i. the liquid path from the connection 4 for a liquid line can run side by side over the individual valves 10.
  • the volume flow through the purge valve 8 can thus be regulated in a simple manner via the number of open valves 10. For example, four valves 10 each with 12 1 / min ( ⁇ 10%) are used, whereby the flow rate depending on the connected liquid line or depending on
  • the device 2 further comprises a scrubstau knowner 12, which is arranged between purge valve 8 and the terminal 6 to a discharge line.
  • the grillstau knowner 12 provides a retention volume, which For example, at a too high for the discharge line volume flow through the open purge valve 8 or a clogged discharge line prevents fluid derived by purging is pushed back into the liquid line. In a backwater, the remindstau matterser 12 first fills with liquid before it reaches the liquid path.
  • a free outlet 14 is between purge valve 8 and the terminal 6 to a
  • a jet regulator 16 regulates the flow of the liquid with respect to its jet shape and flow.
  • the jet regulator 16 enables a uniform and uniform outflow jet in the free outlet 14.
  • Odor trap 18 arranged.
  • the odor trap 18 prevents leakage of gases from the discharge line, in particular in the free outlet 14th
  • the device has a backflow sensor 20, which monitors whether, due to a backflow during a flushing process, liquid recedes from the discharge line and threatens to enter the liquid line, in which the
  • Liquid level in the gearstau matterser 12 or in the free outlet 14 is detected. If a backflow detected detected by the backflow sensor 20, it can be prevented by closing the flush valve 8, that liquid from the
  • Discharge path passes into the liquid path.
  • a float sensor or a float switch is provided as backflow sensor 20.
  • the remindu servinger 12 is sized so that the volume of the
  • a flow sensor 22 is disposed between the liquid path port 4 and the purge valve 8, and can detect a flow of the liquid. This can be used for monitoring a rinsing process and in particular for
  • Leakage monitoring serve. If, for example, the flush valve 8 does not completely close or leaks, a flow is absorbed by the flow sensor 22 and the leak is detected.
  • a control unit 24 controls the opening and closing of the individual valves 10 in the purge valve 8.
  • the control unit 24 also takes the information from
  • the control unit 24 automates the flushing operations and, moreover, can also automatically close the flushing valve 8 when the backflow sensor 20 detects a backflow.
  • Fig. 2 shows for clarity a perspective, schematic view of the first embodiment of the device 2 according to the invention with the same
  • FIG. 2 shows a non-circular shape or a non-circular cross-section of the backflow container 12, here in the form of a rounded rectangle. Other cross-sectional shapes are also conceivable.
  • FIG. 3 shows a schematic view of a second embodiment of the device according to the invention 2.
  • Fig. 3 and 4 are for the corresponding
  • Fig. 5 shows a schematic view of an embodiment of a
  • the Liquid section 30 may comprise a plurality of linear lines and ring lines and is shown in simplified form in FIG. 3 as a linear line with a plurality of consumers 34a, 34b, 34c arranged one behind the other.
  • the liquid section 30 is supplied with liquid by a liquid source 36. If, for example, the consumer 34c located at the rear of the liquid source 36 is not used for a long time, the stagnation of the liquid at the end of the liquid path 30 can cause problems such as deposits or microbial contamination.
  • the device 2 allows automatic rinsing and thus at least partial replacement of the liquid in the liquid section 30.
  • One or more of the valves 10 can be opened in the flushing valve 8 depending on the size of the liquid section 30 or depending on the volume to be achieved by the rinsing process and thus a rinsing process to be triggered.
  • the remindu matterser 12 prevents in a flushing process with a backwater in the discharge line 32 a backflow of the liquid from the discharge line 32, since initially the retention volume of the remindstau mattersers 12 fills. Further, the backflow sensor 20 may be used to automatically close the purge valve 8 in the event of a backlog.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Health & Medical Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Cleaning In General (AREA)
  • Devices For Dispensing Beverages (AREA)
  • Loading And Unloading Of Fuel Tanks Or Ships (AREA)
  • Domestic Plumbing Installations (AREA)

Abstract

L'invention concerne un dispositif (2) de rinçage automatique de conduites de liquides, notamment de conduites d'eau potable, comprenant au moins un raccordement (4) destiné à un trajet d'eau, au moins un raccordement (6) destiné à un trajet d'eau usée, et un dispositif de soupape de rinçage (8) qui est disposée entre les raccordements des trajets d'eau et d'eau usée. Le but de l'invention est de proposer un dispositif de rinçage automatique qui offre un comportement de rinçage mieux adapté aux conditions techniques. A cet effet, le dispositif de soupape de rinçage (8) comporte une soupape multiple dotée de soupapes parallèles (10). L'invention concerne également un système de conduites d'eau et un procédé de rinçage automatique de conduites d'eau à l'aide du dispositif selon l'invention.
EP16751277.1A 2015-08-21 2016-08-08 Dispositif et procede destine au lavage automatique de conduites d'eau avec vanne multiple Active EP3337931B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015113886.7A DE102015113886A1 (de) 2015-08-21 2015-08-21 Vorrichtung, System und Verfahren zum selbsttätigen Spülen mit Mehrfachventil
PCT/EP2016/068873 WO2017032584A1 (fr) 2015-08-21 2016-08-08 Dispositif, système et procédé de rinçage automatique au moyen d'une soupape multiple

Publications (2)

Publication Number Publication Date
EP3337931A1 true EP3337931A1 (fr) 2018-06-27
EP3337931B1 EP3337931B1 (fr) 2021-06-23

Family

ID=56684649

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16751277.1A Active EP3337931B1 (fr) 2015-08-21 2016-08-08 Dispositif et procede destine au lavage automatique de conduites d'eau avec vanne multiple

Country Status (6)

Country Link
US (1) US10975553B2 (fr)
EP (1) EP3337931B1 (fr)
CN (1) CN107923160B (fr)
DE (1) DE102015113886A1 (fr)
DK (1) DK3337931T3 (fr)
WO (1) WO2017032584A1 (fr)

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CN110306628A (zh) * 2019-07-10 2019-10-08 德房家(中国)管道系统有限公司 一种自动冲洗阀
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Also Published As

Publication number Publication date
WO2017032584A1 (fr) 2017-03-02
CN107923160B (zh) 2022-02-25
EP3337931B1 (fr) 2021-06-23
DK3337931T3 (da) 2021-08-02
US10975553B2 (en) 2021-04-13
CN107923160A (zh) 2018-04-17
US20180238029A1 (en) 2018-08-23
DE102015113886A1 (de) 2017-02-23

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