EP1909942B1 - Stufenvorrichtung zur filterung von wasser einer schwimmbeckens - Google Patents

Stufenvorrichtung zur filterung von wasser einer schwimmbeckens Download PDF

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Publication number
EP1909942B1
EP1909942B1 EP06794266A EP06794266A EP1909942B1 EP 1909942 B1 EP1909942 B1 EP 1909942B1 EP 06794266 A EP06794266 A EP 06794266A EP 06794266 A EP06794266 A EP 06794266A EP 1909942 B1 EP1909942 B1 EP 1909942B1
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Prior art keywords
tank
water
housing
level
membrane
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Application number
EP06794266A
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English (en)
French (fr)
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EP1909942A1 (de
Inventor
Christian Guillet
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Weltico
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Weltico
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H4/00—Swimming or splash baths or pools
    • E04H4/12—Devices or arrangements for circulating water, i.e. devices for removal of polluted water, cleaning baths or for water treatment
    • E04H4/1209—Treatment of water for swimming pools
    • E04H4/1272—Skimmers integrated in the pool wall

Definitions

  • the invention relates to a device for staged filtration of the water of a pool, in particular a swimming pool, operating at a vacuum and being disposed downstream of a skimmer mouth connected to the wall of the pool at the level of the surface. water and upstream of pumping means, said filtration device having a first tank which comprises in its lower part an outlet for discharging water, and at its upper part a coupling connection with the mouth of skimming, the first tank receiving a filter element disposed below the water level in the basin.
  • Pool filtration is traditionally carried out by a hydraulic process consisting of an electric pump that draws water from the pool by a surface skimmer called SKIMMER and / or by suction nozzles distributed on the walls or the bottom of the pool .
  • this hydraulic pump is equipped with a pre-filter, usually a cylindrical basket, to protect the impeller of the pump.
  • the pump after drawing the water inside the filtration system, then pushes it through a filter (sand filter, diatom filter or filter cartridge). Then the water is discharged into the basin by one or more pipes provided at the end of discharge nozzles.
  • the filter is disposed upstream of the pump and downstream of the basket.
  • the existing filtration devices have the disadvantage of not being autonomous and requiring a complex and expensive installation. Maintenance and maintenance operations on the filter and the pre-filter are not easy because the user must operate closing valves to avoid draining the basin. In addition, the position of the filter (below the basin) may cause the creation of air pockets in said filter, which must often be purged manually to ensure proper filtration.
  • filtration devices comprising a tubular body arranged vertically and which is connected in its upper part to the surface skimmer.
  • the tubular body generally comprises superimposed compartments, including an upper housing compartment of a pre-filter basket, having an access cover, and a lower housing housing of the filter element.
  • the water is evacuated through a hole in the bottom of the cylindrical body.
  • the access cover is accessible from the curbs around the basin.
  • the aim of the invention is to propose a filtration device making it possible to increase the maintenance periodicity of its filtering elements, which is easy to maintain, and at the same time makes it possible to reduce the energy losses (due in particular to the clogging of the filtering elements). .
  • the device according to the invention makes it possible to obtain a staged filtration by implementing at least two filtering elements (in addition to the conventional pre-filter basket which is only optional) whose retention fineness is progressive.
  • the presence of two filter elements makes it possible to increase the time required for the clogging of each of them with respect to the clogging time of a single filter element.
  • These filter elements are each inserted into a tank which can be accessed directly from the edge of the pool, so that the maintenance of the filtration device is easy.
  • the filter element of the second tank is always immersed, which implies that the water level in the second tank is generally constant, regardless of the number of start-up cycle and stopping the pumping means. This result must be obtained despite the fact that the water supply of the second tank is well below the level of the water in said tank (which is necessary to limit the energy losses between the first tank and the second tank ).
  • the automatic means that is to say without user intervention
  • the upper part of the second tank are intended to maintain the water level in the second tank constant and stabilized on the water level of the basin.
  • the filtration device 1 allows staged filtration of water from a pool (not shown), including a pool. It operates in depression because it is intended to be disposed downstream of a skimming mouth 2 (or SKIMMER) connected to the wall of the pond at level of the surface of the water, and upstream of pumping means (not shown).
  • the filtration device 1 comprises a first tank 3 which comprises in its lower part an outlet orifice 4 for discharging the water to a second tank 5.
  • the upper part of the first tank 3 comprises a coupling connection 6 with the 2.
  • the first tank 3 comprises a lower compartment 7 for removably receiving a filter element 8 formed by a filter basket of large dimensions with a retention fineness of 500 microns.
  • the filter element 8 is thus disposed below the level of the water in the basin.
  • the first tank 3 may comprise an upper compartment 9, superimposed on the lower compartment 7, for housing a small pre-filter basket (not shown), useful for the retention of very large debris (leaves, needles ...) delaying the clogging of the filter element 8.
  • the upper compartment 9 is connected to the skimming mouth 2 and has an access opening 10.
  • the second tank 5 is closed in its upper part by a lid 11 extending above the level of the water in the basin, said second tank 5 being disposed downstream of the first tank 4 relative to the direction of the flow of water and upstream of the pumping means.
  • the second tank 5 is intended to receive a filter element 12 having a fineness of retention greater than that of the filter element of the first tank 3.
  • the fineness of retention of the filter element 12 is 15 microns. It is produced using a filtering medium 13 disposed on the periphery of a rigid tube 14 serving to guide the water previously filtered in the media 13. Nevertheless, the filtering element 12 may be of any known type. the skilled person.
  • the filter element 8 may be of any known and appropriate type, for example made using a filter medium disposed on the periphery of a tube rigid.
  • its retention fineness may for example be 50 microns, and it will often be used in combination with the pre-filter basket (not shown) intended to be placed in the upper compartment 9 of the first tank 3.
  • the second tank 5 comprises a supply port 15, and an outlet port 16 which is connected to the pumping means.
  • the line referenced 17 materializes the level of water in the basin
  • the line referenced 18 materializes the water level in the second tank 5 when the pumping means operate.
  • the lid 11 comprises automatic venting means, which comprise a deformable membrane and elastic, disposed in a housing 20 in which it is free to translate and to deform.
  • the bottom 21 of the housing 20 is provided with an orifice 22, and at least one stud 23 projecting from said bottom 21 and located at the periphery of said orifice 22.
  • the housing 20 is delimited by a cap 24 whose base is in support by gravity on a seat 25 formed in the cover 11 of the second tank 5.
  • the contour of the seat 25 is of complementary shape of the base of the cap 24.
  • the cap 24 has the shape of a dome, and has holes 26 for the passage of the air. Pins 27 protrude from the bottom 21 of the housing 20 and provide lateral retention of the membrane 19 in said housing 20.
  • the first tank 3 and the second tank 5 are arranged next to each other and connected together by at least two connecting elements, one upper 28 and the other lower 29 for said tanks 3 and 5 constitute a rigid and one-piece assembly.
  • the lower connecting element 29 is hollowed out and connects the outlet port 4 of the first tank 3 and the supply port 15 of the second tank 5. It serves here to guide the water in the tank 3 to the tank 5.
  • the two tanks 3 and 5 may be distant from each other without departing from the scope of the invention.
  • the angular configuration of the second tank 5 around the first tank 3 can be arbitrary.
  • the junction between the second tank 5 and its lid 11 is sealed, and removable to allow access to the filter element 12. For example the user will lift the lid 11 when the filter element 12 will need to be changed or cleaned .
  • the seal of the junction may for example be obtained using an O-ring not shown.
  • the figure 3 represents the venting means provided in the lid 11 when the pumping means are at a standstill.
  • the level of the water in the second tank is then marked 30 and coincides with level 17 ( figure 4 ) of the basin.
  • the pressure of the interior air which is present between the surface of the water in the second tank 5 and the lid 11, is equal to the atmospheric pressure outside the second tank 5.
  • the membrane 19 is at rest, that is, in its natural form. It is supported simultaneously on the nipple 23 and on the bottom 21 so as to extend above the orifice 22. It is held laterally by the lugs 27. The air is free to pass from the outside to inside the second tank 5, and vice versa, in a passage having a small section determined by the space between the bottom 21 of the housing 20 and the membrane 19.
  • the arrows of the figure 6 symbolize the lowering of the water level in the second tank 5.
  • the level 31 of water stabilizes. If the tightness of the cover 11 and venting means are not perfect, the level of the water in the second tank 5 continues to fall as long as the pumping means operate, until the level of the supply port 15 of the second tank 5.
  • the stopping of the pumping means has two phases.
  • the first phase ( figure 7 ) stopping the pump causes suction of the water from the basin to the tank 5 due to the depression generated during operation of the pumping means.
  • the pressure inside the tank 5 becomes significantly higher than the external pressure.
  • the air inside the second tank 5, under pressure is expelled by the venting means.
  • the membrane 19 lifts completely from the bottom 21 of the housing 20 and the stud 23, while the lugs 27 hold it laterally.
  • the interior air is expelled between the bottom 21 and the membrane 19, then through the holes 26 of the cap 24.
  • the exhaust is made in a passage having a section which is significantly greater than the section through which the interior air could passing from the outside to the inside of the second tank 5 (and vice versa) when the membrane 19 was at rest (pumping means at rest).
  • said exhaust is possible regardless of the difference between the pressure of the air inside the tank 5 and the atmospheric pressure outside. Without exhaust, the rise of water in the second tank 5 would be impossible and the water level would remain at level 31. Thus, at each cycle of starting and then stopping the pumping means, the level would drop to reach the level of the supply port 15 of the second tank 5.
  • the second phase of stopping the pumping means begins when the suction of the pond water ceases and the inner and outer pressures are balanced. At this moment, the water level reached the level referenced 32 on the figure 8 which is located above the level 30 of the water in the basin. Then the previously sucked water is pumped back to the pond, causing the pressure of the indoor air to drop. To allow the level of the water in the second tank 5 to lower until it stabilizes at level 30, the venting means automatically come to occupy a position where the intake of outside air is possible . The outside air sucked follows the path indicated by the arrows of the figure 9 . On the figure 10 , the three upper arrows symbolize the air entering through venting means, and the three lower arrows symbolize the lowering of the water level. If the admission was impossible, the level would remain at level 32. In this case, after a certain number of cycles of starting and stopping the pumping means, the water would escape by means of venting. at each stop pumping means.
  • the membrane 19 is substantially at rest, close to its natural shape, positioned above the orifice 22 by a simultaneous support on the stud 23 and the bottom 21. It is maintained laterally by the lugs 27.
  • the admission of air is through a passage having a very small passage section, determined by the space separating the bottom 21 of the housing 20 and the membrane 19 slightly deformed.
  • the membrane 19 is designed to achieve a level of deformation sufficient to seal the orifice 22 at the time when the difference between the external pressure and the pressure inside the tank 5 becomes greater than a predetermined value.
  • the membrane 19 is deformed, as in the case of starting the pumping means and their stabilized regime during operation.
  • This value can be determined experimentally or by calculation. In practice, it will depend on the volume of internal air, the volume of the second tank 5, the dimensions and the rigidity of the membrane 19, the diameter of the orifice 21.
  • This operation means venting is essential to ensure the level of water in the second tank 5 to be constant after each cycle of starting and stopping the pumping means.
  • the filter element 12 placed in the second tank 5 is continuously immersed in its entirety so that filtration is effective.
  • this stability of the water level is obtained although the supply orifice 15 of the second tank 5 is significantly below the water level 17 of the basin, which limits the energy losses.
  • the lid 11 of the second tank 5 extends above the level 17 of the water in the basin.
  • the distance vertically separating the lid 11 of the second tank 5 and the level 17 of the water in the basin is sufficient to prevent the backflow of water through the venting means when stopping the means of pumping.
  • This arrangement also allows access to the lid 11 is very easy for the user, because the cover 11 may be provided as flush with the edges around the pool, and thus contributes to the maintenance of the filtration device 1 very easy.
  • a filtration device comprising at least three tanks each containing a filtering element, the fineness of retention of the filtering elements increasing progressively during the passage of the water to be filtered through the filtration device.
  • the second tank and the following will then be designed identically to the second tank 5 of the example described above.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Water Supply & Treatment (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Farming Of Fish And Shellfish (AREA)
  • Filtration Of Liquid (AREA)
  • Water Treatment By Sorption (AREA)

Claims (10)

  1. Vorrichtung zum mehrstufigen Filtern (1) des Wassers eines Beckens, insbesondere eines Schwimmbeckens, die mit Unterdruck arbeitet und nachgeschaltet einer Entschäumungsöffnung (2), die in Höhe des Wasserspiegels an die Wand des Beckens angeschlossen ist, und vorgeschaltet von Pumpmitteln angeordnet ist, welche Filtervorrichtung (1) einen ersten Behälter (3) aufweist, der in seinem unteren Bereich eine Abzugsöffnung (4) zum Ableiten des Wassers und in seinem oberen Bereich eine Ankoppelverbindung (6) zur Entschäumungsöffnung (2) umfasst, wobei der erste Behälter (3) ein Filterelement (8) aufnimmt, das in dem Becken unter dem Wasserspiegel (17) angeordnet ist,
    dadurch gekennzeichnet, dass sie umfasst :
    - mindestens einen zweiten Behälter (5), der in seinem oberen Bereich mit einem Deckel (11) verschlossen ist, der sich über dem Wasserspiegel (17) in dem Becken erstreckt, wobei der zweite Behälter (5) dem ersten Behälter (3) nachgeschaltet und den Pumpmitteln vorgeschaltet ist und ein Filterelement (12) aufnehmen soll, das einen Rückhaltefeinheitsgrad hat, der größer ist als der des Filterelements (8) des ersten Behälters (3),
    - automatische Belüftungsmittel, die im oberen Bereich des zweiten Behälters (5) angeordnet sind, welche Belüftungsmittel folgende Positionen einnehmen können:
    - eine Verschlussposition, in der sie dicht verschlossen sind, wenn der Luftdruck zwischen dem Wasserspiegel im zweiten Behälter (5) und dem Deckel (11) unter einem vorbestimmten Wert liegt,
    - eine Abführposition, die einen Durchlass mit einem ersten Querschnitt begrenzt, wenn der genannte Druck über dem atmosphärischen Druck liegt, zum Abführen der zwischen dem Wasserspiegel in dem zweiten Behälter (5) und dem Deckel (11) vorhandenen Luft,
    - eine Zufuhrposition, die einen Durchlass mit einem zweiten Querschnitt begrenzt, der kleiner ist als der erste Querschnitt, zur Luftzufuhr, wenn der genannte Druck über dem vorbestimmten Wert liegt oder niedriger als der oder gleich dem atmosphärische/n Druck ist.
  2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Belüftungsmittel eine elastische und verformbare Membran (19) umfassen, die in einer Aufnahme (20) angeordnet ist, in der sie sich frei verlagern und verformen kann, wobei der Aufnahme (20) mit einem Boden (21) ausgestattet ist, der mit einer Öffnung (22) und mindestens einem herausstehenden Zapfen (23) versehen ist, der am Umfang der Öffnung (22) angeordnet ist, welche Aufnahme (20) so vorgesehen ist, dass:
    - sich die Membran (19) in Zuführposition über der Öffnung (22) befindet und auf dem Zapfen (23) und Boden (21) aufliegt,
    - die Membran (19) in Verschlussposition die Öffnung (22) durch Verformung dicht verschließt, um eine Zufuhr zu verhindern,
    - sich die Membran (19) in Abführposition vom Boden (21) und vom Zapfen (23) abhebt.
  3. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, dass die Aufnahme (20) in den Deckel (11) des zweiten Behälters (5) gestaltet ist.
  4. Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, dass die Aufnahme (20) von einer Schutzhaube (24) begrenzt wird, deren Basis durch Schwerkraft auf einem Sitz (25) aufliegt, der in dem Deckel (11) des zweiten Behälters (5) vorgesehen ist, wobei die Umrisse dieses Sitzes (25) eine komplementäre Form zur Basis der Schutzhaube (24) haben.
  5. Vorrichtung nach Anspruch 4, dadurch gekennzeichnet, dass die Schutzhaube (24) die Form einer Kuppel hat und Löcher (26) für den Luftdurchtritt aufweist.
  6. Vorrichtung nach einem der Ansprüche 2 bis 4, dadurch gekennzeichnet, dass Nocken (27), die aus dem Boden der Aufnahme (20) herausstehen, die Membran (19) seitlich in der Aufnahme (20) halten.
  7. Vorrichtung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass der Abstand zwischen dem Deckel (11) des zweiten Behälters (5) und dem Wasserspiegel (17) im Becken ausreicht, um während des Stillstands der Pumpmittel einen Durchfluss von Wasser durch die Belüftungsmittel hindurch zu verhindern.
  8. Vorrichtung nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass der erste Behälter (3) und der zweite Behälter (5) nebeneinander angeordnet und miteinander über mindestens zwei Verbindungselemente (28 und 29) verbunden sind, damit diese Behälter (28 und 29) eine starre und einstückige Einheit bilden.
  9. Vorrichtung nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass die Verbindung zwischen dem zweiten Behälter (5) und seinem Deckel (11) dicht und abnehmbar ist, um den Zugang zum Filterelement (12) zu ermöglichen.
  10. Vorrichtung nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass der erste Behälter (3) mindestens zwei übereinander angeordnete Kammern (7 und 9) aufweist, und zwar eine obere Kammer (9) zur Aufnahme eines Vorfilterkorbs, der an der Entschäumungsöffnung (2) angeschlossen ist, und eine untere Kammer (7) zur Aufnahme des Filterelements (8).
EP06794266A 2005-08-03 2006-08-02 Stufenvorrichtung zur filterung von wasser einer schwimmbeckens Active EP1909942B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0508275A FR2889458B1 (fr) 2005-08-03 2005-08-03 Dispositif de filtration etagee de l'eau d'un bassin
PCT/FR2006/001874 WO2007015006A1 (fr) 2005-08-03 2006-08-02 Dispositif de filtration etagee de l'eau d'un bassin

Publications (2)

Publication Number Publication Date
EP1909942A1 EP1909942A1 (de) 2008-04-16
EP1909942B1 true EP1909942B1 (de) 2009-03-11

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP06794266A Active EP1909942B1 (de) 2005-08-03 2006-08-02 Stufenvorrichtung zur filterung von wasser einer schwimmbeckens

Country Status (6)

Country Link
EP (1) EP1909942B1 (de)
AT (1) ATE424912T1 (de)
DE (1) DE602006005678D1 (de)
ES (1) ES2323435T3 (de)
FR (1) FR2889458B1 (de)
WO (1) WO2007015006A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104548720A (zh) * 2013-10-14 2015-04-29 珠海格力电器股份有限公司 过滤器及其滤芯连接装置
CN206715425U (zh) * 2017-03-31 2017-12-08 上海荣威塑胶工业有限公司 水面清洁器

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1237479A (fr) * 1959-10-09 1960-07-29 Clapet de purge d'air d'une canalisation hydraulique
FR2297338A1 (fr) * 1975-01-08 1976-08-06 Weltico Perfectionnements apportes aux dispositifs d'epuration, de filtration et de circulation des eaux de piscines
US4606819A (en) * 1980-01-30 1986-08-19 Colson Andrew E Swimming pool apparatus
US4574048A (en) * 1982-12-27 1986-03-04 Kdi Sylvan Pools, Inc. Vacuum filter system for swimming pools
DE9420008U1 (de) * 1994-12-14 1995-02-02 Ibeda Gmbh Be- und/oder Entlüftungsventil
US6120614A (en) * 1997-11-14 2000-09-19 Ez Environmental Solutions Corporation Method and apparatus for pressure washing
US6419840B1 (en) * 1999-03-30 2002-07-16 Jonathan E Meincke Cleaning system for swimming pools and the like
AU7833400A (en) * 1999-09-30 2001-04-30 H-Tech, Inc. Air-relief valve assembly

Also Published As

Publication number Publication date
EP1909942A1 (de) 2008-04-16
FR2889458A1 (fr) 2007-02-09
FR2889458B1 (fr) 2008-04-18
WO2007015006A1 (fr) 2007-02-08
ES2323435T3 (es) 2009-07-15
ATE424912T1 (de) 2009-03-15
DE602006005678D1 (de) 2009-04-23

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