EP2644285A1 - Vorrichtung zum Ausspülen eines Beckens - Google Patents

Vorrichtung zum Ausspülen eines Beckens Download PDF

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Publication number
EP2644285A1
EP2644285A1 EP13161009.9A EP13161009A EP2644285A1 EP 2644285 A1 EP2644285 A1 EP 2644285A1 EP 13161009 A EP13161009 A EP 13161009A EP 2644285 A1 EP2644285 A1 EP 2644285A1
Authority
EP
European Patent Office
Prior art keywords
pipe
water
box
rinsing
basin
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
EP13161009.9A
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English (en)
French (fr)
Other versions
EP2644285B1 (de
Inventor
Jean-Claude Munerez
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.)
JC Munerez Environnement
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JC Munerez Environnement
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Filing date
Publication date
Application filed by JC Munerez Environnement filed Critical JC Munerez Environnement
Publication of EP2644285A1 publication Critical patent/EP2644285A1/de
Application granted granted Critical
Publication of EP2644285B1 publication Critical patent/EP2644285B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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 
    • B08B9/08—Cleaning containers, e.g. tanks
    • B08B9/0856—Cleaning of water-treatment installations
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F5/00—Sewerage structures
    • E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
    • E03F5/105—Accessories, e.g. flow regulators or cleaning devices
    • 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 invention relates to the cleaning of the slab capacity for storing liquids loaded with solid substances such as rainwater, mixed water or wastewater.
  • the invention relates for example to the cleaning of the storm basin floor, lifting tank or various capacities.
  • Storm basins are buried or aerial tanks that, in the event of rain, allow the water of a unitary network to be stored for biological treatment in a treatment plant after the rain has stopped.
  • the emptying of basins can be carried out by pumps located in a pumping pit or by a gravity drain.
  • the set constituting the low point of the basin is also called evacuation zone.
  • basins do not have a flushing system because of the high cost of equipment and the adaptation of civil engineering for their implementation.
  • sludge accumulates on the raft. They will have to be removed manually; which generates significant costs and risks for stakeholders due to the possible presence of H2S gas and risk of falling due to the depth of these structures.
  • the document DE 39 15 076 discloses a rinsing system comprising a box that fills each time the basin fills with water, and that empties only when the basin is almost empty, thus causing a rinsing of the bottom.
  • a system of three tubes connects the box to the lower part of the basin, the second tube being much thinner.
  • a cover makes it possible to close the first tube, to put it in pressure relation with the second and third tubes, with a counterweight having the effect of opening the lid as soon as the air has been able to penetrate into the first tube. passing through the second and third tubes.
  • the present invention proposes to remedy at least some of the aforementioned drawbacks and proposes a system without energy, having no seal and no mechanical part, which allows rinsing the floor of a storm basin.
  • Her The design is simple and robust and does not require additional civil engineering work.
  • the invention relates to a device for rinsing a basin provided with one or more areas to be rinsed called a track, and an evacuation zone from which water can be extracted from said basin, said rinsing device comprising a box provided at the bottom of a siphon, a non-return valve disposed in the upper part of the box, and able to let air out of the box in case of overpressure and to prevent the entry of the air in case of depression, and a pipe comprising a movable part, said pipe being configured to connect the upper part of said box by its upper end to said discharge zone by its lower end.
  • This rinsing device is particular in that the lower end is movable in vertical translation between a low position where it is covered with water as the basin is not almost empty, and a high position where its low end is sufficiently remote from a stream of rinsing water from said box to allow the flow of said rinsing water without it being sucked into said pipe.
  • said box fills, as well as a portion of said pipe containing the lower end, and each empty basin, the box remains full until the basin is almost empty, in until the bottom end of the pipe is no longer covered with water, and lets out the water contained in the pipe. At that moment the pressure is released in the box, which empties instantly, and thus produces a rinsing effect of the basin track.
  • the vertical mobility of the lower end of the pipe then makes it possible to guarantee that the rinsing water is not sucked by the pipe, which would prevent the evacuation of the rinsing water, and the dirt would be trapped. Thanks to the invention, this can be avoided.
  • the advantage of the present invention lies in particular in that it allows to rinse the raft automatically after each emptying, by a robust and reliable solution, without any seal to open or close, and without axis of rotation. This gives a rinsing device easy to manufacture and implement, and the risk of failure are minimized.
  • the present invention relates to a flushing device 1 of a basin.
  • the basin includes an area for rinsing called track 2 to store the water collected, and a pumping pit 3 located in the lower part of the basin. At least one submerged pump 4 is disposed in the pumping pit 3, associated with a pumping line 5, for discharging the collected water to an outlet 6.
  • the rinsing device 1 comprises a box 7 disposed at the end of the track 2, a volume smaller than that of the pumping pit 3 in which the pumps 4 are housed.
  • the volume of the box 7 is ideally slightly less than the volume of the pumping pit 3.
  • this box 7 is equipped with a non-return valve 8, and in the lower part of a siphon 9. There may be several boxes 7 that can operate simultaneously.
  • a pipe 10 in the form of a large diameter pipe, connects the top of the box 7 to the pumping pit 3, located at the lowest point of the basin.
  • the upper end 11 of the pipe 10 is connected to the top of the box 7.
  • a first portion 12 of the pipe 10 from its upper end 11 is vertical upward.
  • the nonreturn valve 8 can be arranged on the pipe 10 in the vicinity of the upper end of this first part 12, so as to be located at the highest part of the pipe 10. It is followed by a second part 13 substantially horizontal, or slightly inclined, for example upwards as shown in the Fig. 1 .
  • Line 10 ends with a third descending vertical portion 14, to the lower end 15 of line 10.
  • the portion 13 is arranged with an upward portion, followed by a descending portion, in the form of inverted V, to give it a steeper slope, without increasing the height required for installation.
  • the pipe 10 is suspended by an attachment point 24 to a fixed structure 16 by means of a rinsing device 1 comprising a spring 17.
  • a flexible sleeve of mobility 18 At a distance, for example of the order of one meter, from this connection along the horizontal portion 13, is disposed a flexible sleeve of mobility 18, defining a movable portion 19 of the pipe 10 relative to a fixed part 20.
  • the mobile part 19 is thus rotatable about a point situated at the level of this flexible sleeve of mobility 18.
  • Such a rotational movement produces at the connection between the parts 13 and 14 a substantially vertical movement, between a high position in which the spring 17 is compressed, and a low position, in which it is stretched.
  • this movement results in a combination of two movements: on the one hand a vertical translation movement between a low position in which the lower end 15 is immersed in the water as the basin is not nearly empty, and a high position, in which the end 15 is out of a flow of rinsing water.
  • a vertical translation movement between a low position in which the lower end 15 is immersed in the water as the basin is not nearly empty, and a high position, in which the end 15 is out of a flow of rinsing water.
  • a flexible verticality cuff 21 has been introduced in the third part 14 of the pipe 10, just under the connection between the parts 13 and 14. In this way, the end 15 is free in the horizontal plane, which avoids many constraints imposed horizontal displacement induce.
  • This end 15 is mobile in vertical translation with no particular constraint on its horizontal positioning.
  • an upper stop 22 and a lower stop 23 limit the displacement of the mobile part 19.
  • a circular abutment (not shown) around the vertical part 14 to limit the lateral movement of this part, in particular to prevent it from coming into contact with the pump 4 or the pumping line 5.
  • the pump 4 can also be replaced by a set of several pumps, or a gravity drain.
  • the boxes 7 are filled simultaneously (see Fig. 2 ).
  • the air which is in the upper part is discharged by the non-return valves 8.
  • the level of the box 7 does not rise any more ( Fig. 3 ).
  • This volume of water then contained in the box 7 represents the volume of the rinsing wave.
  • the water When emptying the basin, the water remains inside the boxes 7 because the air can not enter because of the closing of the nonreturn valves 8 ( Fig. 4 ).
  • a depression is created in the tube 25, which may be PVC.
  • the level of the water of the pit reaches the level of the end 15 of the pipe 10 it empties instantly. It then rises a few centimeters by the straightening of the tension spring 17 and allows the air to be introduced.
  • the pumps 4 continue to operate up to the low level of the pumping zone 3.
  • the water column of the box 7 empties very quickly thanks to the large passage section of the pipe 10 which is for example 300mm for rectangular boxes 7 and 250 mm for a cylindrical box 7. This rapid emptying causes a powerful wave that drives the sludge to the pumping zone 3 where the pumps are located.
  • the basin does not contain much water.
  • the weight of the movable portion 19 of the pipe with its water content at least in the vertical portion 14 stretches the spring 17 so that the end 15 is in the low position.
  • the casing 7 then empties quickly by its siphon 9. This produces a rinsing effect of the track 2, all the rinsing water quickly passing on the bottom of this area and causing all the dirt by a mechanical effect. This rinsing water loaded with dirt arrives in the pumping pit 3, where it is taken up by the pump 4, to be evacuated.
  • the movable portion 19, the flexible mobility sleeve 18 and the upper stop 22 are designed so that the high position of the low end 15 is above the flow of the rinse water.
  • box 7 fills automatically each time the basin fills, and it retains its water column as the evacuation zone is not nearly empty.
  • the evacuation zone makes it possible to eliminate the sludge that is diluted because of the hunt that put them back in suspension. The operation is repeated each time there is a draining of the basin.
  • the advantage of the present invention lies in particular in that it allows to rinse the track 2 of the basin automatically after each emptying, by a robust and reliable solution, without any seal to open or close, without axis of rotation . This gives a rinsing device 1 easy to manufacture and implement, and the risk of failure are reduced to a minimum.

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning In General (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Sewage (AREA)
EP13161009.9A 2012-03-26 2013-03-26 Vorrichtung zum Ausspülen eines Beckens Not-in-force EP2644285B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1252677A FR2988308B1 (fr) 2012-03-26 2012-03-26 Dispositif de rincage d'un bassin

Publications (2)

Publication Number Publication Date
EP2644285A1 true EP2644285A1 (de) 2013-10-02
EP2644285B1 EP2644285B1 (de) 2016-09-07

Family

ID=47913304

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13161009.9A Not-in-force EP2644285B1 (de) 2012-03-26 2013-03-26 Vorrichtung zum Ausspülen eines Beckens

Country Status (2)

Country Link
EP (1) EP2644285B1 (de)
FR (1) FR2988308B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115434411A (zh) * 2022-09-01 2022-12-06 长沙市规划设计院有限责任公司 一种环保型调蓄池冲洗设备

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0211058A1 (de) 1985-02-02 1987-02-25 Klaus Ulrich Giehl Flüssigkeitsspeicherraum mit spüleinrichtung.
FR2630472A1 (fr) 1988-04-20 1989-10-27 Scientif Tech Batiment Centre Dispositif de chasse et de repartition de liquide
DE3915076A1 (de) 1989-05-09 1990-11-15 Alloy Tech Ag Vorrichtung an einem fluessigkeitsspeicherraum zum selbsttaetigen spuelen des leergelaufenen speicherraumes
DE19901993C1 (de) 1999-01-20 2000-04-20 Klaus Ulrich Giehl Spülvorrichtung für Flüssigkeitsspeicherräume

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0211058A1 (de) 1985-02-02 1987-02-25 Klaus Ulrich Giehl Flüssigkeitsspeicherraum mit spüleinrichtung.
FR2630472A1 (fr) 1988-04-20 1989-10-27 Scientif Tech Batiment Centre Dispositif de chasse et de repartition de liquide
DE3915076A1 (de) 1989-05-09 1990-11-15 Alloy Tech Ag Vorrichtung an einem fluessigkeitsspeicherraum zum selbsttaetigen spuelen des leergelaufenen speicherraumes
DE19901993C1 (de) 1999-01-20 2000-04-20 Klaus Ulrich Giehl Spülvorrichtung für Flüssigkeitsspeicherräume

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115434411A (zh) * 2022-09-01 2022-12-06 长沙市规划设计院有限责任公司 一种环保型调蓄池冲洗设备
CN115434411B (zh) * 2022-09-01 2024-05-14 长沙市规划设计院有限责任公司 一种环保型调蓄池冲洗设备

Also Published As

Publication number Publication date
FR2988308B1 (fr) 2014-05-09
EP2644285B1 (de) 2016-09-07
FR2988308A1 (fr) 2013-09-27

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