EP3020878A1 - Prise d'eau et tuyau de controle - Google Patents

Prise d'eau et tuyau de controle Download PDF

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Publication number
EP3020878A1
EP3020878A1 EP15194628.2A EP15194628A EP3020878A1 EP 3020878 A1 EP3020878 A1 EP 3020878A1 EP 15194628 A EP15194628 A EP 15194628A EP 3020878 A1 EP3020878 A1 EP 3020878A1
Authority
EP
European Patent Office
Prior art keywords
control tube
hydrant
tube
water
connection
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
EP15194628.2A
Other languages
German (de)
English (en)
Other versions
EP3020878B1 (fr
Inventor
Lothar Schütz
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.)
Schuetz Lothar
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Schuetz Lothar
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 Schuetz Lothar filed Critical Schuetz Lothar
Publication of EP3020878A1 publication Critical patent/EP3020878A1/fr
Application granted granted Critical
Publication of EP3020878B1 publication Critical patent/EP3020878B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B9/00—Methods or installations for drawing-off water
    • E03B9/02—Hydrants; Arrangements of valves therein; Keys for hydrants
    • E03B9/14—Draining devices for hydrants

Definitions

  • the invention relates generally to a hydrant and a ventilation set, in particular for water pipes.
  • Hydrants are typically used to provide water for extinguishing purposes. They are equipped, for example, with special connections to which the fire department can connect hoses to remove water. The problem is that hydrants are typically connected to lines that actually serve the supply of drinking water and in which thus also drinking water flows. For such lines high hygiene requirements apply. For example the penetration of dirt or harmful germs into the drinking water can be prevented.
  • Hydrants typically have the problem that they can not be emptied completely after an application in which water is taken from the drinking water line by means of the hydrant, or that emptying can not be reliably controlled.
  • the invention relates to a control tube for mounting on a hydrant or a ventilation or bleeder.
  • the control tube has a connection for the hydrant or the ventilation set and an access area for suction, drainage and / or visual or automatic control of the control tube, wherein the connection at a lower end of the control tube is formed and the access area is disposed at an opposite upper end of the control tube.
  • control tube By means of the control tube according to the invention, residues of water, which has remained in the hydrant after removal from the hydrant or has otherwise entered the hydrant, can be sucked off or pumped off.
  • a simple apparatus for example in the form of a mobile pump with a flexible hose is sufficient.
  • the emptying can be controlled visually, mechanically or electronically. A change of existing hydrant concepts is therefore not necessary. Rather, the control tube can be attached to a normal hydrant. The controlled emptying of water from the hydrant prevents this water from flowing back into the drinking water pipe to which the hydrant is connected, leading to contamination or introducing pathogens.
  • control tube is designed for underground mounting.
  • control tube is designed for overflight mounting. This allows adaptation to underfloor hydrants or above-ground hydrants.
  • control tube is rigid, in particular not adjustable in length, and / or formed in one piece.
  • it may be made of steel. This allows a simple and stable design.
  • control tube is adjustable in length, in particular telescopic, and / or formed in two parts. This allows easy adaptation to different installation situations, for example to different lengths of hydrants or to different heights of a Erdauf flowung, in which there is an underground hydrant.
  • control tube has a measuring device for determining a filling level in the control tube.
  • a measuring device for determining a filling level in the control tube. This can be designed in particular as a dipstick. This allows easy control of the filling level, which can be assumed in particular at a non-measurable filling level of a complete emptying, which is desirable to avoid contamination entry.
  • control tube is connected to an extension tube, which is arranged below the lower end of the control tube. This allows, for example, the controlled discharge of water down, for example in a drainage channel. On a suction or pumping from above can be dispensed with advantageous.
  • the extension tube is open at its end opposite the control tube. So that water can be drained, for example, to seep into the surrounding soil. It can also have a connecting piece for a drainage channel. This allows a particularly simple connection to a drainage channel such as a conventional sewer.
  • a valve and / or a check ball for passing downwardly flowing liquid and for blocking upwardly flowing liquid is arranged below the connection.
  • a valve may be designed for example by means of such a check ball.
  • the check ball may for example be designed to float in the water. This can be a drainage of unwanted, located in the hydrant water can be achieved while the penetration Surrounding water, such as groundwater, rainwater or from lakes or rivers penetrating water is prevented.
  • valve or the check ball is arranged between the control tube and the extension tube.
  • a closing mechanism for pressing the check ball into a valve seat is provided in the control tube, the check ball sealing in both directions as it is pressed into the valve seat by the closing mechanism. This can be prevented, for example, that during a Löscheinsatzes water passes through the valve to the outside. After the extinguishing operation, the valve can be opened so that the water can drain off. Thereafter, the valve can be closed again, so that an additional barrier against the ingress of surrounding water arises.
  • control tube is closed at its lower end by a sealing plug. This basically effectively prevents the penetration or discharge of water.
  • control tube has a sensor, in particular for water level measurement, conductivity measurement, pH measurement, flow measurement and / or flow measurement, which is preferably equipped with a remote communication system. This allows the monitoring of parameters also by means of external devices and / or by means of central monitoring points.
  • a preferably removable closure is provided at the upper end of the control tube, which prevents leakage of a liquid from the control tube even under pressure.
  • This can be a leakage of liquid through the control tube, in particular during a deletion, in which a line pressure is normally applied in the control tube can be prevented.
  • the closure can be removed so that the above-described functionality of the control tube is made possible.
  • the measuring device and / or the sensor system is attached to the closure. This allows a space-saving accommodation.
  • the closure is designed in the form of a closure plug.
  • the closure is provided with a thread, a bayonet, an O-ring seal and / or a gag. This allows a reliable seal.
  • the closure is lockable. This can prevent unauthorized opening of the control tube. According to a further embodiment, it is provided that the closure is not designed to be lockable.
  • control tube has at its lower end and / or the extension tube at its end opposite the control tube a threaded or bayonet system for connection to a drainage channel. This allows, as already described above, the connection to a drainage channel for the controlled discharge of other water.
  • control tube is designed as an attachment for a hydrant. According to another Design is provided that the control tube is designed as an attachment for a ventilation or bleeder.
  • control tube is connected to a drainage pipe running at least in sections parallel to the control tube, wherein the drainage tube is open at least on its upper side.
  • the drainage pipe may be open at its bottom.
  • the drainage pipe may have on its underside a connecting piece, in particular a thread or a bayonet, for a drainage channel.
  • the drainage pipe can be adjustable in length, in particular telescopic.
  • Such a drainage pipe in particular allows the targeted dewatering of parts of the hydrant such as a sealing plate, which can get rainwater in many versions of hydrants. Due to the discharge of water in the drainage pipe contamination of the drinking water can be effectively prevented by this rainwater.
  • water which enters the control tube via the connection passes unhindered into it.
  • no further elements such as valves, check valves, or other, the water flow obstructing elements are arranged between the port and the control tube and so in fact a purely gravitational draining of the hydrant or in the ventilation set or still existing Residual water is possible.
  • the control tube is connected via a fluidic connection with the hydrant or the ventilation set.
  • the fluidic connection is part of the connection or flows into it.
  • the invention also includes the use of a control tube, in particular as described above, which has a Connection with a hydrant or a ventilation or bleeder is connected, for the visual or automatic control of residual water or complete emptying on or in the hydrant or ventilation or exhaust and / or aspiration or pumping out any residual water.
  • a control tube in particular as described above, which has a Connection with a hydrant or a ventilation or bleeder is connected, for the visual or automatic control of residual water or complete emptying on or in the hydrant or ventilation or exhaust and / or aspiration or pumping out any residual water.
  • Residual water in the hydrant or a ventilation set represents a considerable danger of germs, because the germs may possibly penetrate into the fresh water line when using the hydrant or a ventilation set.
  • the proposal according to the invention constitutes an inspection option and, on the other hand, allows suction of collected liquid via the control tube.
  • the control tube combines the function of a visual / optical inspection tube and a drain tube (upwards).
  • the invention further relates to a hydrant, wherein a riser connects above a hydrant valve.
  • the hydrant has a control tube according to the invention, wherein the connection of the control tube is fluidically connected to a region of the riser immediately above the hydrant valve.
  • the hydrant is an underfloor hydrant. According to another embodiment, the hydrant is an overground hydrant.
  • both the hydrant and the control tube and optionally the drainage pipe are adjustable in length, in particular telescopic. This allows easy adaptation to different installation situations.
  • the riser, the control tube and optionally the drainage pipe are arranged at least partially parallel. This allows a simple and expedient execution.
  • the invention further relates to a ventilation set, which is connected to a control tube according to the invention.
  • the connection of the control tube is fluidly connected to the ventilation set.
  • the already described advantages of a control tube can be utilized for a loading or venting set. It can be used on all described versions and variants of the control tube. Illustrated benefits apply accordingly.
  • the ventilation set is designed for underfloor mounting. This is particularly advantageous because of the mostly underfloor laid water pipes.
  • the fluidic connection to the control tube is sloping. This makes possible an automatic drainage of the water from the hydrant into the control tube.
  • the fluidic connection to the control tube out with a gradient of 1 ° to 3 °, preferably 2 °, sloping. These values have proven to be advantageous in practice.
  • the drainage pipe connected to the control tube terminates on its upper side with a sealing plate of the hydrant, so that water which has reached the sealing plate can flow out through the drainage pipe.
  • This can be taken care of in an advantageous manner for a discharge of water, such as rainwater.
  • the sealing plate can also simultaneously carry actuators for a hydrant valve and / or for a hose connection bayonet.
  • the invention further relates to a method for emptying a hydrant or a ventilation set.
  • a control tube according to one or more embodiments of the invention is preferably used.
  • water is extracted from the hydrant or from the loading or venting set by passing a hose into the control tube, to which a suction pump is connected. By means of the suction pump, the water is removed.
  • a valve mounted at the bottom of the control tube may also be opened to dispense water into surrounding soil or into a drainage channel. Subsequently, a visual or automatic control can take place.
  • the invention also includes the use of a control tube for the purpose of draining or emptying a hydrant or a ventilation set.
  • Fig. 1 shows a hydrant 10 according to a first embodiment of the invention. It shows Fig. 1a a top view, Fig. 1b a side view, Fig. 1c a side sectional view along the in Fig. 1a marked line Ic, Fig. 1d a side sectional view along the in Fig. 1a drawn line id and Fig. 1e an enlarged view of the in Fig. 1d marked area Ie.
  • the hydrant 10 is designed as underfloor hydrant. It has a riser 30 in which, during an extinguishing process, water can rise from a drinking water pipe located below the hydrant 10 upwards.
  • the hydrant 10 furthermore has a valve drive 50, by means of which a hydrant valve 19 arranged at a lower end of the valve drive 50 can be opened and closed. Thus, a removal of water through the riser 30 allows and terminated when the hydrant valve is closed again.
  • the hydrant 10 further includes a sealing plate 60. This is arranged below a lid 62, wherein the lid 62 closes the hydrant 10 upwards.
  • a drainage pipe 40 is further arranged, which is open at the top and protrudes through an opening in the sealing plate 60. This allows water, which is located on the sealing plate 60, to flow into the drainage pipe 40.
  • the drainage tube 40 is bent at its lower end and open, so that the water from the sealing plate 60 can flow into surrounding soil. This allows reliable drainage of the sealing plate 60 in the event that rainwater penetrates through the lid 62. Pollution from this rainwater can thus be counteracted.
  • a connection 32 for removal of extinguishing water is arranged above.
  • an actuating sleeve 52 is arranged at the top of the valve drive 50, which can be rotated by means of a suitable tool.
  • the hydrant valve 19 can be actuated.
  • the riser 30 and the control tube 20 are connected via an in Fig. 1 not explicitly shown connection fluidly interconnected.
  • This connection is made on the underside of the riser 30, and further has a certain gradient of a few degrees, so that water from the riser 30 can flow reliably into the control tube 20 after closing the hydrant valve 19.
  • the control tube 20 has an access area 29 on its upper side. Over this, a tube can be inserted into the control tube 20 to pump out the control tube 20. This allows a virtually complete removal of water from the control tube 20 and thus also from the riser 30. Possibly still in the riser 30 located water can flow through the above-mentioned compound in the control tube 20.
  • control tube 20 In the in Fig. 1 shown state, the control tube 20 is closed at its access area 29 with a plug 14, which is clearly visible for example in Fig. Id. Thus, leakage of water at the top of the control tube 20 can be prevented. Such leakage could occur, for example, if, during an extinguishing process, the riser 30 and thus also the control tube 20 are below the pressure prevailing in the water line.
  • a check ball 22 is arranged at the lower end of the control tube 20, at the lower end of the control tube 20, a check ball 22 is arranged.
  • the check ball 22 is used to allow leakage of water at the lower end of the control tube 20, while preventing the ingress of water through the lower end into the control tube 20.
  • a lower valve seat 26 and an upper valve seat 28 are provided. in the Normal state, the check ball 22 is located on the lower valve seat 26.
  • the lower valve seat 26 is designed so that water can flow from top to bottom, even if the check ball 22 is immediately thereafter. However, should water from below penetrate into the control tube 20, the check ball 22 is pressed by floating in the upper valve seat 28. This then seals and thus prevents the ingress of water in the higher areas of the control tube 20th
  • an actuating mechanism 24 is disposed in the control tube 20. This one can, as in Fig. 1d can be seen, operated from above the plug 14. Thus, the upper valve seat 28 can be pressed down on the check ball 22, so that the upper valve seat 28 seals in the stationary state of the check ball 22. Thus, the leakage of water from the control tube 20 can be prevented in principle, which may be required, for example, during an erase operation. Otherwise, the pressurized water would exit at the bottom of the control tube 20.
  • the check ball 22 with the surrounding, just described facilities allows in addition to the possibility of sucking the control tube 20 from above leakage of excess water at the bottom directly into the surrounding soil. At the same time as described the penetration of water is prevented. This makes it possible to increase the functionality of the control tube 20. For example, even with prolonged unobserved operation, water which leaks into the control tube 20 or the riser 30 due to leaks or otherwise can flow away directly.
  • control tube 20 Upon removal of the plug 40, the control tube 20 also allows visual control of complete draining. So that can To ensure that no water in the riser 30 or the control tube 20 remains, which could endanger the cleanliness and sterility of the drinking water.
  • Fig. 2 shows a hydrant 10 with control tube 20 according to a second embodiment. It shows Fig. 2a a top view, Fig. 2b a side view, Fig. 2c a side view from a different perspective, Fig. 2d a side sectional view along the in Fig. 1a marked line IId, Fig. 2e a perspective view, Fig. 2f an enlarged view of the in Fig. 2d marked area IIf and Fig. 2g an enlarged view of the in Fig. 2d area IIg.
  • the hydrant 10 according to the second embodiment is also formed as Unteflurhydrant. However, he has no sealing plate 60 and also does not need a drainage pipe 40. It can be seen in the Fig. 2b, 2d, 2e and 2g a connection 12 between the riser 30 and the control tube 20. This is as shown slightly sloping to the control tube 20 formed out.
  • the control tube 20 is presently formed in two parts, wherein it has a lower part 21 and an upper part 23.
  • the two parts 21, 23 of the control tube 20 are telescopically extendable, so that an adaptation to different installation situations, in particular different heights of the hydrant 10, is easily possible.
  • To lock serves a in Fig. 2f illustrated Screw 25, which serves to clamp the lower part 21 with the upper part 23.
  • a check ball 22 with surrounding, lower and upper valve seats 26, 28 and arranged with an actuating mechanism 24.
  • the control tube 20 is also closed in this case with a plug 14, which, however, is removable, whereby the control tube 20 is accessible from above.
  • a connecting thread 27 This is used to connect a drainage channel for draining the water, which flows past the check ball 22 down.
  • Fig. 3 shows a hydrant 10 with control tube 20 according to a third embodiment. It shows Fig. 3a a top view, Fig. 3b a side view, Fig. 3c a sectional view along the in Fig. 3a marked line IIIc, Fig. 3d a perspective view and Fig. 3e an enlarged view of the in Fig. 3c marked area IIIe.
  • the hydrant 10 is formed according to the third embodiment as underfloor hydrant.
  • the control tube 20 is designed in comparison to the second embodiment with a larger diameter.
  • the size ratio of the lower part 21 and the upper part 23 is reversed, that is, that the upper part 23 in the present case has a smaller diameter than the lower part 21.
  • the control tube 20 has no in the third embodiment Check ball 22 and no associated valve seats and no operating mechanism. Rather, the control tube 20 is open at its bottom. This allows an immediate drainage of excess water.
  • a fill level within the control tube 20 can be monitored by means of a level sensor 16. This is electronically connected to a monitoring device, not shown, and outputs a signal when the water level in the control tube 20 reaches up to the level sensor 16.
  • connection 12 between the riser 30 and the control tube 20 can be closed via a valve, not shown. This makes it possible to prevent the leakage of water through the control tube 20 during an erasing operation.
  • Fig. 4 shows a hydrant 10 with control tube 20 according to a fourth embodiment. It shows Fig. 4a a top view, Fig. 4b a side view, Fig. 4c a sectional view along the in Fig. 4a marked line IVc, Fig. 4d a perspective view and Fig. 4e an enlarged view of the in Fig. 4c marked area IVe.
  • the hydrant 10 according to the fourth embodiment is designed as a high-floor hydrant, but also has a part which is installed below ground.
  • the control tube 20 is installed in such a way that it is exclusively underfloor.
  • the control tube 20 is covered with a cover 70, which extends up to the earth's surface.
  • the cover 70 is closed with a lid 72 which can be removed to access the control tube 20.
  • control tube 20 according to the fourth embodiment, in turn, a check ball 22 with surrounding valve seats 26, 28 and an actuating mechanism 24. Regarding their functionality, reference is made to the above description. Also, the control tube 20 is closed with a plug 14. After removing the cover 72, the control tube 20 can thus be used in the same way, as described above, for example, with reference to the first embodiment.
  • connection 32 is provided on which a tube could be inserted directly from above, but rather two lateral connections 34 are provided, which point obliquely downwards to the side.
  • a hexagon 54 is provided on the upper side of the hydrant 10, by means of which the hydrant valve 19 can be actuated.
  • a separate, arranged laterally to the riser pipe 30 connection between the hexagon 54 and the hydrant valve 19 is not provided, but rather such a connection runs within the riser 30th
  • a connecting thread 27 is mounted, which can be used for connection to a dewatering device such as a sewer. As a result, water, which flows past the check ball 22 down over, drain into the dewatering device.
  • Fig. 5 shows a hydrant 10 with control tube 20 according to a fifth embodiment. It shows Fig. 5a a top view, Fig. 5b a side view, Fig. 5c a side view from a different perspective, Fig. 5d a sectional view along the in Fig. 5a marked line Vd, Fig. 5e a perspective view and Fig. 5f an enlarged view of an in Fig. 5d
  • the fifth embodiment is similar to the fourth embodiment executed, the hydrant 10, however, is designed as Studentsflurhydrant.
  • the control tube 20 in the present case has no cover 70, but is designed to be arranged largely above ground. It is closed at the top with a plug 14, as has already been described in previous embodiments. On the bottom side, it is equipped with a connection thread 27 for connection to a drainage system. This connection thread 27 is located below the check ball 22nd
  • the riser 30 is provided at the bottom with terminals 36, 38. These can be used for connection to a drinking water line. A possibly not required connection 36, 38 can be closed.

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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)
  • Sink And Installation For Waste Water (AREA)
  • Branch Pipes, Bends, And The Like (AREA)
EP15194628.2A 2014-11-14 2015-11-13 Prise d'eau et tuyau de contrôle Active EP3020878B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202014105482.0U DE202014105482U1 (de) 2014-11-14 2014-11-14 Hydrant mit Kontrollrohr

Publications (2)

Publication Number Publication Date
EP3020878A1 true EP3020878A1 (fr) 2016-05-18
EP3020878B1 EP3020878B1 (fr) 2019-07-03

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP15194628.2A Active EP3020878B1 (fr) 2014-11-14 2015-11-13 Prise d'eau et tuyau de contrôle

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EP (1) EP3020878B1 (fr)
DE (1) DE202014105482U1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111486295A (zh) * 2020-03-09 2020-08-04 无锡市政设计研究院有限公司 一种消火栓止水器

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102021128036A1 (de) 2021-10-27 2023-04-27 Lothar Schütz Überwachungsvorrichtung

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1269044A (en) * 1917-10-01 1918-06-11 John Bonderson Hydrant.
US5033500A (en) * 1990-10-29 1991-07-23 Hoeptner Iii Herbert W Freeze valve apparatus
DE202009002338U1 (de) * 2008-03-03 2009-05-20 Taferner, Marko Anordnung zum Prüfen von Hydranten
EP2381039A2 (fr) * 2010-04-26 2011-10-26 Hydrantenservice GmbH Dispositif de drainage de prises d'eau
DE202013101128U1 (de) * 2012-10-25 2014-01-30 Lothar Schütz Höhenverstellbare Rohrverbindung

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB612766A (en) * 1946-06-01 1948-11-17 Arthur Ernest Hayden Gates Apparatus for measuring the capacity of water or other liquid supply conduits
DE843830C (de) * 1949-02-01 1952-07-14 Ver Armaturen Ges M B H Entwaesserungsvorrichtung mit Strahlpumpe fuer UEberflurhydranten
DE29907841U1 (de) * 1999-05-03 1999-07-08 Sendenhorst Kunststoffroehren Abwasserkontrolleinrichtung
US7401620B2 (en) * 2005-04-08 2008-07-22 Wcm Industries, Inc. Yard hydrant with drain port check valve

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1269044A (en) * 1917-10-01 1918-06-11 John Bonderson Hydrant.
US5033500A (en) * 1990-10-29 1991-07-23 Hoeptner Iii Herbert W Freeze valve apparatus
DE202009002338U1 (de) * 2008-03-03 2009-05-20 Taferner, Marko Anordnung zum Prüfen von Hydranten
EP2381039A2 (fr) * 2010-04-26 2011-10-26 Hydrantenservice GmbH Dispositif de drainage de prises d'eau
DE202013101128U1 (de) * 2012-10-25 2014-01-30 Lothar Schütz Höhenverstellbare Rohrverbindung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111486295A (zh) * 2020-03-09 2020-08-04 无锡市政设计研究院有限公司 一种消火栓止水器

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EP3020878B1 (fr) 2019-07-03
DE202014105482U1 (de) 2016-02-16

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