EP2474674B1 - Siphonvorrichtung mit automatischer Füllung - Google Patents

Siphonvorrichtung mit automatischer Füllung Download PDF

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Publication number
EP2474674B1
EP2474674B1 EP20110192140 EP11192140A EP2474674B1 EP 2474674 B1 EP2474674 B1 EP 2474674B1 EP 20110192140 EP20110192140 EP 20110192140 EP 11192140 A EP11192140 A EP 11192140A EP 2474674 B1 EP2474674 B1 EP 2474674B1
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EP
European Patent Office
Prior art keywords
float
tank
tube
frame
liquid
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.)
Not-in-force
Application number
EP20110192140
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English (en)
French (fr)
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EP2474674A1 (de
Inventor
Pascal Manissier
Julien Manissier
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.)
MANISSIER, PASCAL
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Individual
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Publication date
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Publication of EP2474674A1 publication Critical patent/EP2474674A1/de
Application granted granted Critical
Publication of EP2474674B1 publication Critical patent/EP2474674B1/de
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Anticipated expiration legal-status Critical

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    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F9/00—Arrangements or fixed installations methods or devices for cleaning or clearing sewer pipes, e.g. by flushing
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F9/00—Arrangements or fixed installations methods or devices for cleaning or clearing sewer pipes, e.g. by flushing
    • E03F9/007—Devices providing a flushing surge

Definitions

  • the present invention relates to the field of wastewater treatment and more particularly to a siphon device with automatic priming and autonomous operation for a liquid container in a purification system for domestic or industrial wastewater.
  • Water purification is a set of techniques that consist in purifying water to either recycle wastewater in the natural environment, or to transform natural water into drinking water.
  • the wastewater must be collected and directed first to a sewer and then, via a feeder, to a treatment plant.
  • the feed devices may be pumping systems, or comprising solenoid valves or self-priming systems, and are arranged inside the liquid-fed tanks.
  • Self-priming systems are self-triggering systems and overcome the aforementioned drawbacks.
  • the system described in the document FR 2,690,955 This system is installed in a liquid container which is fed continuously and allows the container to be emptied automatically when a pre-established level of liquid is reached in the container.
  • the system includes an exhaust duct connected at one end to an open cylindrical float, the opposite end passing through the side wall of the container.
  • the float is submersible and moves, under the effect of the fluid supplying the container, between a high filling position of the float and a low drain position via the exhaust pipe.
  • the siphon device contains a large amount of air that must be removed during the priming of the siphon.
  • the proper functioning of the device then requires a significant difference in altitude.
  • the use of such a device with a slight difference in altitude implies a slowing down of the flow by the residual air inside the pipes, the air which can then go up to the upper level of the siphon and slows even more the flow of up to to provoke the defusing of the siphon before even the complete emptying of the container.
  • the object of the invention is to provide a siphon device for a liquid container allowing automatic priming from low levels of liquid in the container in which it is arranged and small differences in level between the inlet and the outlet of the container. siphon, while being autonomous operation.
  • Another object of the invention is to provide an automatic and self-priming siphon device for a liquid container, in particular a wastewater container, which is of compact construction and very reliable over time, allowing operation to a good one. liquid output rate of the container.
  • Another object of the invention is to provide an automatic self-priming siphon device which is of simplified construction and can be manufactured economically.
  • Another object of the invention is a siphon device with self-priming and autonomous, allowing a periodic discharge of wastewater from a certain level of liquid in the container housing the device, while designed so as to be disassembled easily for easier installation purposes.
  • the self-priming and self-priming siphon device of the invention is intended to operate inside a liquid receiving tank, in particular wastewater, and is able to drain, automatically, depending on the level of water in the tank, at least partially said tank.
  • Wastewater includes untreated or partially treated water purification system.
  • the tank is fed continuously with liquid and is periodically drained by the device of the invention. The drained liquid can then feed a wastewater treatment circuit.
  • the siphon device of the invention comprises a drain tube which is a siphon tube having an inverted U shape, it is therefore understood that it is a tube with vertical branches, a first end of which is called suction is immersed in the liquid of the tank, the second end said discharge being connected to a conduit for discharging the liquid carried by the tube.
  • the siphon device needs a priming which, with the device of the invention is done by pressing vertically the drain tube into the water, which has the effect of filling the siphon and allow the liquid to engage the tube.
  • the device of the invention ensures such priming by using a construction comprising at least one inverted U-shaped vertical drain tube and several floats arranged and designed so that the siphon is primed automatically and autonomously , depending on the level of liquid in the tank.
  • the drain tube is secured to a first float and is driven upwards, when the liquid level rises in the tank, under the action of the buoyancy force applied by the liquid of the float tank.
  • the first float is blocked in the upper position by a second float which is kept immersed by a third float of a device triggering the boot.
  • the priming occurs when the liquid reaches a predetermined level in the tank, causing the third float to move and thus unlock the second float that rises to the surface by pushing the drain tube back towards the bottom. This causes an increase in the pressure at the suction end of the drain tube and thus the siphon initiation.
  • This siphon device is also original in that the discharge end of the drain tube is connected to an exhaust duct with a compressible pipe.
  • compressible pipe includes a conduit which is able to change shape by compressing under the action of a compressive force applied along its longitudinal axis.
  • the longitudinal axis of such a pipe may be rectilinear or curved, depending on the shape of the pipe connecting the discharge end of the drain tube to the outlet pipe of the tank.
  • the displacement of the drain tube, which conduit is usually made of a rigid tube is advantageously cashed by the deformation of the compressible tube which thus allows the drain tube to perform a vertical translational movement, while maintaining a waterproof connection of the latter with the exhaust duct.
  • the device of the invention can function even by moving a small water column.
  • a difference in height of about 200 mm between the suction end and the decompression opening of the outlet pipe may be sufficient to produce priming with the device of the invention, while with the of the aforementioned document of the state of the art, a minimum height difference of 650 mm would be required in order to provoke the initiation of the siphon.
  • a vertical drain tube within the scope of the invention which contains little air compared to the device of the state of the art mentioned here which comprises V drain pipes with almost horizontal arms that contain a lot of air and therefore need a high altitude to function.
  • the device of the invention can therefore be used to rapidly empty, with a high frequency and automatically a tank fed continuously liquid and this even for small differences in level.
  • said first float comprises a protuberance which cooperates with a finger of a second float pivotally mounted on the frame, said finger cooperating with the lug of a third float also pivotally mounted relative to said frame.
  • said lug has an inclined outer surface ending in a hook for guiding the end of the finger in its upward pivoting movement to engage with said hook.
  • said compressible pipe is a bellows.
  • a flexible sheath such as a sheath made of flexible PVC reinforced by a rigid PVC spiral.
  • a flexible bellows because it retains its flexibility even at low water temperatures, unlike the flexible sheath whose rigidity increases with the drop in temperature, which requires to adapt the operation of the device, including settings of it.
  • said bellows is made of a flexible plastic material, such as flexible PVC or rubber.
  • a flexible plastic material such as flexible PVC or rubber.
  • said drain tube is a tube having a generally inverted "U" shape whose arms pass through openings made in the first float.
  • the drain tube thus constitutes the siphon tube and is arranged to pass through openings in the body of the float, which allows the tube to be driven by the float safely and reliable in time and, at the same time, a compact construction of the float.
  • said first float is guided in its translational movement inside said chassis. This ensures good guidance of the float and therefore the drain tube, for a small device.
  • the device of the invention comprises a cassette comprising a frame provided with handles and supporting said emptying tube, said first float, said third float and said compressible pipe, said cassette being removably mounted relative to said frame.
  • Such a solution provides a siphon device that is easily removable for reasons of installation or maintenance.
  • said device comprises a plurality of drain conduits connected by means of their respective compressible pipes to a collector duct.
  • a tank comprising a siphon device according to the invention, the frame is mounted at the bottom of the tank or on one of the side walls thereof.
  • the device of the invention periodic and automatic emptying of the tank is provided with the device of the invention, its mounting at the bottom or against one of the side walls of the tank is made according to the characteristics of the tank (its depth, its volume , the ease of access to the device, the position of the exhaust ducts, etc.).
  • the Figures 1 to 4c illustrate a siphon device 1 of the invention and its constituent elements.
  • This device is intended to be installed in a tank or a look ( Figures 5a to 6 ) capable of containing a liquid, such as wastewater, the tank or manhole forming part of a wastewater treatment system (not shown in the figures).
  • the purification system comprises means for supplying wastewater from means for collecting domestic wastewater (and possibly industrial or rainwater) in the pipes of a sewerage network; means of transporting wastewater; as well as wastewater treatment means.
  • the siphon device 1 of the invention comprises a frame 2 for supporting its components and is provided with fixing means inside a tank 15 supplied with liquid, such as a tank for receiving and storing wastewater or partially treated water. Fixing holes 18 are made in the thickness of the legs 20 of the frame 2 and cooperate with fastening screws 19 inside the tank 15 ( Fig. 5a, 5b ).
  • the water arrives in the tank via a feed pipe 21.
  • the siphon device 1 of the invention is able to periodically and at least partially drain the tank 15 automatically, from a preset water level. in the tank.
  • the water exits the tank via an evacuation pipe 22 and is then directed to another basin, in particular for the purpose of its treatment.
  • the siphon device of the invention comprises two drain tubes 3 secured to a first float 6.
  • the drain tube 3 is a tube of cylindrical section, having a general shape of "U" inverted, with a long branch 23 opening through a suction end 4 inside the vessel and a short leg 24 having a discharge end 5 connected to a compressible pipe 14, as will be explained later.
  • the branches 23,24 of the drain tube 3 are fixed to the first float 6 by welding or gluing at the openings 25 made in a box 26, liquid-tight, located in the upper part of the float 6.
  • the first float 6 has a parallelepipedal general shape whose lateral faces are guided in translation inside the frame 2.
  • the frame 2 is a frame of parallelepipedal general shape, it is open on the sides and is preferably made of a metal, such as stainless steel.
  • the frame 2 comprises a lower part forming a support 27 ( Fig. 2nd ) for an upper part of a frame 28 ( Fig. 2a )
  • the frame 28 has handles 29 or lifting lugs for handling with respect to the support 27.
  • the frame 28 comprises longitudinal bars 30 connected at their upper part by transverse bars 31. When of the setting up of the frame 28 within the support 27, the bars longitudinal 30 are introduced along the pillars 32 of the support 27 and bear on a crossbar 33.
  • the longitudinal bars 30, the transverse bars 31 and the pillars 32 are made from metal angles.
  • the frame 2 is made in a non-removable manner.
  • the cassette 33 comprises: the frame 28, a third float 8 pivotally mounted on the frame 28, the drain tubes 3 secured to the first float 6 and a connecting support 34.
  • the connection support 34 ( 2C ) comprises a plate 35 comprising two connecting pipes 36 of a discharge pipe 13 and two through-holes 38 allowing the passage of the drain pipes 3. They also have a role of guiding in translation of the drain pipes 3.
  • each connecting pipe 36 is fixed, for example by means of fixing rings, to a compressible pipe which, in the example shown, is a bellows 37.
  • the upper part of the bellows 37 is fixed to the discharge end 5 3.
  • the plate 35 completes the cassette 33 being fixed in the lower part thereof.
  • the support 27 comprises a cross member 39 fixed to the pillars 32, the cross member 39 provided with through holes 40 for the passage of the connecting pipes 36 which are connected by vertical connectors 42 to a horizontal collecting duct 43 which collects the water drained by all the drain pipes to transfer it to the outside of the tank.
  • the cross member 39 also has through holes 41 allowing the passage of the drain pipes 3.
  • the support 27 comprises a pivot 44 on which a second float is supported.
  • the second float 7 comprises two elongated arms 46 supporting, at one end, a sealed enclosure 47 of cylindrical shape, the opposite end ending in a hook-shaped finger 11.
  • the float 7 comprises a mounting orifice 45 with the possibility of rotation about the pivot 44.
  • the second float 7 and the third float 8 form a trigger device 9 ( fig.3a ) of the priming of the siphon device of the invention, as will be explained later.
  • the frame 28 of the cassette 33 has a pivot 48 about which is rotatably mounted the third float 8.
  • the third float 8 comprises an arm 49 terminating at one end with an enclosure 50, the opposite end having a lug 12
  • the enclosure 50 has a parallelepipedal shape open at its lower part and arranged horizontally within the device. In other variants (not shown in the drawings), the enclosure 50 is closed and sealed and can take any other form (for example cylindrical).
  • the diameter of the drain tube 3 of the device of the invention is between 40 mm and 200 mm, and it is preferably between 110 mm and 200 mm when it is desired to drain raw water which generally comprise debris elements. larger than 20 mm.
  • the components of the siphon device of the invention are advantageously made of a plastic material by injection techniques, bonding or welding of their components.
  • These materials may be, for example, PPH (or polypropylene H) or HDPE (high density polyethylene).
  • a HDPE manufacturing of its components is preferred because this material ensures good durability, while being of construction and easy installation.
  • the device can be installed in tanks having various shapes and sizes preferably made of HDPE for ease of maintenance.
  • the support 27 When it is desired to install the siphon device of the invention inside a tank 15 or a manhole, the support 27 is first fixed to the bottom of the tank 15 ( Fig. 5a, 5b ) or on a lateral frame 51 secured to one of the side walls 17 of the tank 15 ( fig.6 ).
  • the manifold duct 43 is then connected to an evacuation duct 22.
  • the installation is finished by introducing the cassette 33 into the support 27, the connecting pipe 36 coming to engage automatically and in a sealed manner, by means of an O-ring provided outside the pipe 36 which bears in the opening 40, the connector 42, and the exhaust duct 13 via the manifold pipe 43.
  • the cassette 33 can be easily removed from the device, as shown in figure 5a .
  • the third float 8 When the level of the liquid in the tank 15 has reached a predetermined level, called the trigger level N, and with reference to Figures 4a to 4c , the third float 8 is raised, its enclosure 50 being moved upward by the buoyancy force exerted by the liquid on the float 8, which rotates it in the direction of clockwise. During its pivoting, the lug 12 of the third float 8 releases the finger 11 of the second float 7 whose sealed chamber 47 is also pushed upwards by the buoyancy force of the liquid of the tank. The pivoting of the second float is counterclockwise, which has the effect that the finger 11 pushes downwardly on the protuberance 10 of the first float 6 by moving it with the tubes. 3, towards the bottom of the tank.
  • the downward movement of the drain tubes 3 produces the compression of the bellows 37.
  • the bellows 37 thus ensures a tightness in movement of the device of the invention and, as best seen in FIG. figure 4c , during emptying, the bellows is compressed so that the discharge end 5 of the drain tube communicates directly with the connecting pipe 36 which prevents the contact of the bellows with the raw water.
  • This downward movement of the drain tubes causes the rise of the level of liquid in the drain tubes 3, in the direction of the upward arrow of the figure 4c and thus the priming of the drain by the siphon device 1.
  • the water drained by the drain tubes 3, follows the downward arrow of the figure 4c , is then collected by the collector duct 43 and discharged outside the tank.
  • the operation of the siphon device 1 of the invention is now explained with reference to the figure 7 where a device as described in Figures 1 to 4c installed in its operating environment.
  • the siphon device 1 is installed on the bottom wall 16 of a tank 15, the manifold duct 43 being connected to a discharge pipe 22 whose upper part passes through the side wall 17 of the tank.
  • the tank 15 is supplied with liquid by the supply pipe 21, the liquid begins to accumulate in the tank and, its level rises to the level N, for a tidal height (or difference between the level of the wire of water and the bottom of the pond) indicated by "n" on the figure 7 .
  • the triggering of the descent of the drain tubes 3 towards the bottom of the tank is done as described previously.
  • a drain tube which is an inverted u-shaped vertical tube, there is very little air in the siphon and it is quickly evacuated when priming the siphon.
  • a decompression chimney 52 By “d” is shown the difference in level between the suction inlet 4 and the outlet of the chimney. decompression 52, called elevation in the following.
  • a decompression opening can replace the chimney 52. By way of example, such a decompression opening can be made in the discharge tube 3, about 2 cm above the suction end 4.
  • a difference in height "d" of about 200 mm is sufficient to cause the boot siphon.
  • the siphon device needs more suction force and thus the "d" difference is increased by about 200 mm.
  • the tidal height "n" is about 500 mm.
  • the distance A on the figure 7 is variable depending on the output water flow, for example it is about 20 mm.
  • such a device can operate with small elevations, and adapts well to the emptying of raw water tanks of a house or small structures connecting for example the homes of a subdivision or a hamlet.
  • the bottom of the tank is arranged below the suction ends 4, in a slope or in the form of a cone, or by creating a sump.
  • the siphon device of the invention thus makes it possible to carry out a series of emptyings automatically and autonomously, without the need for human intervention, or for supplying electrical energy.
  • the discharge end of the drain tube can be connected by a bent flexible sheath directly to a discharge outlet outside the tank.
  • several devices of this type may be operatively connected together, for example by being arranged in series.

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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)
  • Jet Pumps And Other Pumps (AREA)

Claims (10)

  1. Selbstansaugende selbständig Siphonvorrichtung (1), die an eine Wanne anpassbar, die geeignet ist, um eine Flüssigkeit zu enthalten, wobei die Vorrichtung bereitgestellt wird, um die Wanne automatisch zu entleeren, wenn sie im Innern der Wanne angeordnet ist und wenn diese mit Flüssigkeit versorgt wird, wobei die Vorrichtung ein Gestell (2) zum Halten mindestens eines Entleerungsrohrs (3) umfasst, das zwei offene Enden umfasst, und zwar ein Ansaugende (4), das in die Wanne eingetaucht ist, und ein Ende (5) zum Ausgießen der angesaugten Flüssigkeit, wobei das Entleerungsrohr (3) mit einem ersten Schwimmer (6) fest verbunden ist, der in der Lage ist, sich unter der Einwirkung der Flüssigkeit zwischen einer unteren Position und einer oberen Position zu bewegen, dadurch gekennzeichnet, dass
    - das Entleerungsrohr (3) ein umgekehrtes U-Rohr ist,
    - der erste Schwimmer (6) durch einen zweiten Schwimmer (7) einer Auslösevorrichtung (9) in der oberen Position gehalten wird, wobei der zweite Schwimmer (7) seinerseits eingetaucht gehalten wird, wenn er dazu gebracht wird, mit einem dritten Schwimmer (8) zusammenzuwirken, und zwar bis auf einen vorbestimmten Stand N der Flüssigkeit in der Wanne,
    - der zweite Schwimmer (7) derart ausgelegt ist, dass er, wenn er von dem dritten Schwimmer (8) freigegeben wird, der sich bewegt, wenn er durch den Anstieg des Wasserstands in der Wanne angehoben wird, das Ansaugen der Siphonvorrichtung (1) auslöst, indem er einen Schub nach unten auf den ersten Schwimmer (6) ausübt, und
    - dass das zweite Ausgussende des Entleerungsrohrs (3) mit einer Ablassleitung (13) anhand eines zusammendrückbaren Schlauchs (14) verbunden ist.
  2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass der erste Schwimmer (6) eine Ausstülpung (10) umfasst, die mit einem Finger (11) des zweiten Schwimmers (7) zusammenwirkt, der schwenkbar auf dem Gestell (2) angebracht ist, wobei der Finger (11) mit einem Ansatz (12) des dritten Schwimmers (8) zusammenwirkt, der ebenfalls im Verhältnis zu dem Gestell (2) schwenkbar angebracht ist.
  3. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, dass der Ansatz (12) eine geneigte externe Oberfläche umfasst, die in einem Haken endet, der es ermöglicht, das Ende des Fingers (11) bei seiner Schwenkbewegung nach oben zu führen, um in den Haken einzugreifen.
  4. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der zusammendrückbare Schlauch ein Faltenbalg (37) ist.
  5. Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, dass der Faltenbalg (37) aus einem biegsamen Kunststoffmaterial, wie etwa aus biegsamem PVC oder Gummi, ausgebildet ist.
  6. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Entleerungsrohr ein Rohr ist, das eine allgemeine Form eines umgekehrten U aufweist, dessen Schenkel (23, 24) durch Öffnungen (25) gehen, die innerhalb des ersten Schwimmers eingerichtet sind.
  7. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der erste Schwimmer (6) bei seiner Verschiebungsbewegung im Innern des Gestells (2) geführt wird.
  8. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass sie eine Kassette (33) umfasst, die Folgendes umfasst: einen Rahmen (28), der mit Griffen (29) versehen ist und das Entleerungsrohr (3), den ersten Schwimmer (6), den dritten Schwimmer (8) und den zusammendrückbaren Schlauch (14) trägt, und dass die Kassette (33) mit Bezug auf das Gestell (2) abnehmbar angebracht ist.
  9. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Vorrichtung mehrere Entleerungsrohre (3) umfasst, die anhand ihrer jeweiligen zusammendrückbaren Schläuche (14) mit einer Sammelleitung (43) verbunden sind.
  10. Wanne (15), umfassend eine Siphonvorrichtung (1) nach einem der vorhergehenden Ansprüche, deren Gestell (2) auf dem Boden der Wanne oder auf einer der ihrer Seitenwände angebracht ist.
EP20110192140 2011-01-07 2011-12-06 Siphonvorrichtung mit automatischer Füllung Not-in-force EP2474674B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1100048A FR2970246B1 (fr) 2011-01-07 2011-01-07 Dispositif de siphon a amorcage automatique.

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
FR1100048 Previously-Filed-Application 2011-01-07

Publications (2)

Publication Number Publication Date
EP2474674A1 EP2474674A1 (de) 2012-07-11
EP2474674B1 true EP2474674B1 (de) 2014-06-04

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EP20110192140 Not-in-force EP2474674B1 (de) 2011-01-07 2011-12-06 Siphonvorrichtung mit automatischer Füllung

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EP (1) EP2474674B1 (de)
FR (1) FR2970246B1 (de)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989003917A1 (en) * 1987-10-26 1989-05-05 Sondov Sten Y Flushing arrangement
FR2690955B1 (fr) * 1992-05-04 1994-08-05 Ingenierie Nature Tech Systeme de siphon auto-amorcant adaptable a un conteneur liquide, et son application dans des installations d'epuration biologique.
DE19804160B4 (de) * 1998-02-03 2004-05-06 Biofilt Gmbh Selbsttätig wirkende Stoßentleerungsvorrichtung

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EP2474674A1 (de) 2012-07-11
FR2970246B1 (fr) 2013-01-25
FR2970246A1 (fr) 2012-07-13

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