EP4165251A1 - Dispositif de déplacement d'un élément flottant ou immergé - Google Patents
Dispositif de déplacement d'un élément flottant ou immergéInfo
- Publication number
- EP4165251A1 EP4165251A1 EP21732049.8A EP21732049A EP4165251A1 EP 4165251 A1 EP4165251 A1 EP 4165251A1 EP 21732049 A EP21732049 A EP 21732049A EP 4165251 A1 EP4165251 A1 EP 4165251A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- tubes
- tube
- perforated
- pair
- compressed air
- 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.)
- Withdrawn
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 67
- 238000011144 upstream manufacturing Methods 0.000 claims description 21
- 230000002787 reinforcement Effects 0.000 claims description 19
- 238000006073 displacement reaction Methods 0.000 claims description 16
- 238000004891 communication Methods 0.000 claims description 10
- 239000012530 fluid Substances 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 description 6
- 230000004913 activation Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B1/00—Equipment or apparatus for, or methods of, general hydraulic engineering, e.g. protection of constructions against ice-strains
- E02B1/003—Mechanically induced gas or liquid streams in seas, lakes or water-courses for forming weirs or breakwaters; making or keeping water surfaces free from ice, aerating or circulating water, e.g. screens of air-bubbles against sludge formation or salt water entry, pump-assisted water circulation
Definitions
- the present invention relates to a device for moving a floating or submerged element towards a collection zone.
- the Seabin ® device allows collection of elements floating near the device, by creating a vacuum and sucking the elements into a storage medium. This device has the advantage of not being dependent on current and of being able to operate continuously. However, such a device does not make it possible to clean up large expanses of water.
- the present invention aims to provide a device for moving an element floating or submerged in water towards a collection zone using a curtain of air bubbles, the device comprising an air compressor supplying air. compressed air at least one perforated tube provided with a single row of perforations, in which the perforations of the tube and the perforated tube are arranged in the water so as to generate a curtain of air bubbles through the air compressed escaping from the perforations towards the surface of the water, so as to generate a displacement of the floating element towards the capture zone.
- the compressor can be replaced by any machine or apparatus for providing an air supply, such as a booster or a turbine.
- another type of liquid than water can be considered.
- this displacement device allows floating or submerged elements to converge towards a collection zone without requiring the natural current of a river or a tide.
- the device operation is autonomous and requires human intervention only for the activation of the device.
- the activation cycles of the device can be programmed.
- a system has the advantage of not being invasive with respect to the ecosystem of the body of water.
- Such a device also has the advantage of not being invasive for the movement of devices, such as boats on the water.
- the device according to the invention is adaptable to any type of body of water by adapting the size and / or the number of perforated tubes used, the power and the flow rate of the air, compressed or uncompressed, supplied by the compressor or any machine or device for providing an air supply.
- body of water refers to a static or dynamic body of water.
- the displacement device can also include one or more of the characteristics below, considered individually or according to any technically possible combination: the device comprises at least two perforated tubes arranged successively along an axis directed towards the capture zone, and a microcontroller configured to manage the supply of air to the at least two perforated tubes so that the at least two tubes are supplied successively; and / or the at least one perforated tube is made of rot-proof material, preferably metal or plastic, more preferably stainless steel or aluminum; and / or the at least one perforated tube comprises at least one portion provided with perforations, the perforations within the portion are spaced, in the longitudinal direction of said tube, by a distance of between 1 cm and 33 cm, preferably every 4 cm; and / or the at least one perforated tube comprises at least one portion provided with perforations, the perforations within the portion are spaced, in the longitudinal direction of said tube, by a distance of between 5 cm and 25 cm, preferably of a distance between 10 and 20cm, more preferably a distance
- N is a positive integer greater than 1
- i is a positive integer such that l £ i £ N
- the first pair of perforated tubes is the pair of perforated tubes furthest from the capture zone
- the “N th” pair of perforated tubes is the pair of perforated tubes closest to the capture zone
- the “i th” »Pair of perforated tube comprises a first tube and a second tube connected by an elbow connection forming an angle ⁇
- the common part opens at a level with a through opening of the elbow connection of each of the pairs of perforated tubes
- each of the through openings is configured to provide fluid communication between the compressor and each of the pairs of perforated tubes to supply the first and second tubes of each pair with compressed air
- each of the through openings is configured to be sealed, or opened, and allow supply a perforated compressed air tube
- the device comprises a common part, in the form of a tube, and a network of perforated tubes formed by N pairs of perforated tubes, arranged successively along an axis directed towards the capture zone, the device comprises a microcontroller configured to regulate the '' compressed air supply
- N is a positive integer greater than 2
- i is a positive integer such that l £ i £ Nl
- the first pair of perforated tubes is the pair of perforated tubes furthest from the capture zone
- the “N th "Pair of perforated tubes is the pair of perforated tubes closest to the capture zone
- the" N th "pair of perforated tubes comprises a first tube and a second tube connected by an elbow connection forming an angle aN
- each" i th 'pair of perforated tubes comprises a first tube and a second coaxial tube connected by a tee connection, so as to be aligned
- the first tube and the second tube are arranged perpendicular to the common part
- the part perpendicular to the connection in tee is connected to the common part
- the common part opens out at the level of a through opening of the elbow or tee connection of each of the pairs of perforated tubes, each of the through openings is configured to ensure fluid communication between
- N is a positive integer greater than 3
- i is a positive integer such that Nl £ i £ N
- j is a positive integer such that l £ j ⁇ Nl
- the first pair of perforated tubes is the pair of perforated tubes furthest from the capture zone
- the “N th” pair of perforated tubes is the pair of perforated tubes closest to the capture zone
- each “i th” "Pair of perforated tubes comprises a first tube and a second tube connected by an elbow connection forming an angle a
- each" j th "pair of perforated tubes comprises a first tube and a second coaxial tube connected by a tee connection, so as to be aligned
- the first tube and the second tube are arranged perpendicular to the common part
- the perpendicular part of the tee connection is connected to the common part
- the common part opens out at a through opening of the elbow connection or at the tee of each of the pairs of perforated
- N is a positive integer greater than 1
- i is a positive integer such as l £ i £ N
- the "th" pair of tubes comprises a first tube having an elbow connection forming an angle ali and a second tube having an elbow connection forming an angle a2i
- the common part opens into at least one through opening of each first and second perforated tubes of a pair so as to communicate fluidly and supply the first and the second tubes of the pair with compressed air, only the common part is directly connected to the compressed air compressor, and each of the through openings is configured to be closed, or open and allow the supply of a perforated tube with compressed air, preferably the openings of a pair of tubes are configured so that the first and second tubes are supplied or not supplied with compressed air simultaneously; and / or the angle a1 and a2i are greater than or equal to 90 ° and strictly less than 180 °, preferably greater than or equal to 90 ° and less than or equal to 135 °; and / or the first tubes, respectively the second tubes, of each
- the invention also relates to a method of moving at least one element submerged or floating on a body of water, using an element movement device according to the invention, comprising: a first step of supply, during which a compressor supplies compressed air to a perforated tube with compressed air for a first given period of time, the compressed air escaping from the perforations of the perforated tube generates a first curtain of air bubbles which displaces at least one submerged or floating element over a first displacement distance in the direction of a capture zone.
- the method can also include one or more of the characteristics below, considered individually or according to all the technically possible combinations: a second perforated tube connected to the compressor, a first supply stopping step, during which the second perforated tube has no compressed air supply, a second supply step, during which the compressor supplies compressed air to the second perforated tube with compressed air during a second given period of time, the compressed air escaping from the second perforated tube generates a second curtain of air bubbles which moves the at least one submerged or floating element over a second displacement distance in the direction of the capture zone, a second supply stopping step, during which the perforated tube, supplied during the first feeding step, is devoid of compressed air supply, the first and second travel distances are substantially equal, the first feeding stage and the first feeding stopping stage occur simultaneously during the first given period of time, the second feeding stage and the second feeding stopping stage occur simultaneously during the second given period of time, the first feeding and stopping feeding stage taking place before the second feeding stage and the second stopping feeding stage, the perforated tube being fed in the first stage of
- Figure la is a schematic representation of the device installed in a body of water according to a first embodiment of the invention according to a first configuration
- Figure lb is a schematic representation of the device installed in a body of water according to a first embodiment of the invention according to a second configuration
- Figure 1c is a schematic representation of the device installed in a body of water according to a first embodiment of the invention according to a third configuration
- Figure ld is a schematic representation of the device installed in a body of water according to a first embodiment of the invention according to a fourth configuration
- Figure 2 is a sectional view illustrating the submerged tube and the bubble curtain formed
- Figure 3a is a schematic representation of the device installed in a body of water according to a second embodiment of the invention according to a first configuration
- Figure 3b is a sectional view, along the plane A-A, illustrating the device according to the second embodiment
- Figure 3c is a schematic representation of the device installed in a body of water according to a second embodiment of the invention according to a second configuration
- Figure 3d is a schematic representation of the device installed in a body of water according to a second embodiment of the invention according to a third configuration
- Figure 3e is a schematic representation of the device installed in a body of water according to a second embodiment of the invention according to a fourth configuration
- Figure 3f is a schematic representation of the device installed in a body of water according to a second embodiment of the invention according to a fifth configuration
- Figure 4a is a schematic representation of the device installed in a body of water according to a third embodiment of the invention according to a first configuration
- Figure 4b is a schematic representation of the device installed in a body of water according to a third embodiment of the invention according to a second configuration
- Figure 5 is a schematic representation of the device installed in a body of water according to a fourth embodiment of the invention.
- Figure 6a is a representation of a mechanical reinforcement structure at the level of a connection between the common part and a pair of coaxial perforated tubes
- Figure 6b is a representation of a mechanical reinforcement structure at the level of a connection between the common part and a pair of perforated tubes connected by an elbow connection, and
- Figure 6c is a representation of a ballast mounted on the mechanical reinforcement structure.
- upstream refers to a first tube or a pair of tubes located closer to the capture zone than a second tube or a second pair of tubes which will be. considered to be “downstream”.
- a zone upstream of a tube is located between said tube and the capture zone.
- Figure la illustrates a device 1 comprising an air compressor 3 and a perforated tube 4 immersed in the body of water 2.
- the perforated tube 4 is connected to the air compressor so that it can be supplied with compressed air by the compressor.
- RECTIFIED SHEET (RULE 91) ISA / EP compressed is regulated by a microcontroller 5.
- the microcontroller 5 makes it possible to define a period of time when the tube 4 is supplied with compressed air and a period of time when the tube 4 has no compressed air supply.
- the perforated tube 4 comprises a portion 6 provided with perforations 7.
- the air escapes through the perforations 7 and forms a curtain of air bubbles 8 (see FIG. 2).
- the curtain of air bubbles extends substantially vertically from the perforations 7.
- the movement of the air bubbles from the curtain of air bubbles 8 towards the water surface of the water body 2 generates a wave of displacement of the water at the level of the arrival at the surface of the air bubbles.
- the displacement wave at the surface of the water allows a displacement of the floating or submerged elements E in the direction of the capture zone ZC.
- the portion 6 is rectilinear and extends parallel to an edge of the capture zone ZC, preferably parallel to a collection end of a collector.
- the portion 6 has a curved profile forming an at least partially encircled zone. This partially surrounded area includes the catchment area.
- the curtain of air bubbles 8 generated by this portion 6 with the curved profile allows the elements E to converge towards the capture zone ZC in different directions.
- the portion 6 has a first part 9 and a second rectilinear part 10 connected by an elbow connection 11.
- the first part 9 extends parallel to an edge of the capture zone.
- ZC preferably parallel to a collection end of a collector.
- the second part 10 extends towards an edge of the body of water where the capture zone ZC is located.
- the angle a formed by the bent connection 11 is greater than or equal to 90 ° and strictly less than 180 °, preferably this angle is greater than or equal to 90 ° and less than or equal to 135 °.
- the first part 9 makes it possible to move the elements E in the direction of the capture zone ZC and the second part 10 makes it possible to move the elements E in the direction of a zone ZA upstream of the first part 9.
- the perforated tube 4 comprises a portion 6 provided with perforations 7 and a portion 15 without perforation.
- the portion 15 extends towards an edge of the capture zone ZC.
- the portion 6 is linked to the portion 15 by an elbow link 16.
- the portion 6 and the portion 15 form, at the level of the elbow link 16, an angle of 20 ° and 70 °, preferably between 30 ° and 60 °, more preferably between 30 ° and 50 °, and even more preferably of the order of 45 °.
- the perforated tube 4 can be in a rot-proof material.
- the perforated tube 4 can be made of metal or plastic, even more preferably, the perforated tube can be made of stainless steel or aluminum.
- the advantage of a perforated steel tube 4 is that it is not necessary to use a ballast so that the perforated tube remains well at the bottom of the body of water and does not rise to the surface.
- the perforations 7 open out in the direction of the capture zone ZC at an angle greater than or equal to 10 ° and less than or equal to 60 ° with respect to a vertical plane, preferably greater than or equal to 20 ° and less than or equal to 50 °, and even more preferably greater than or equal to 30 ° and less than or equal to 40 ° with respect to a plane perpendicular to the surface of the water
- the perforations 7 are aligned in the form of a single row extending in the direction of elongation of the portion of the tube 6.
- the perforations are spaced apart by a distance of between 1 and 33. cm. More preferably, the perforations are spaced at a distance of 4 cm.
- the perforations can be circular and have a diameter between 0.1 and
- the perforations have an area of between 0.19 mm 2 and 7 mm 2 , and preferably a diameter of 0.78 mm 2 .
- Figure 2 is a sectional view of the portion 6 of the curtain of the perforated tube 4 and the compressed air escaping at a perforation 7 so as to form a curtain of air bubbles 8.
- the movement of air bubbles 12 from the curtain of air bubbles 8 to the surface of the water 13 of the water body 2 generates a displacement wave 14 (shown as two arrows) of the water at the level of the 'arrival at the surface of the water 13 of the air bubbles.
- the displacement wave 13 makes it possible to move a floating or submerged element E over a distance of up to 8 m depending on the flow rate and the pressure of the compressed air supplied to the perforated tube 4 by the compressor 3.
- FIG. 3a is a schematic representation of a device 101 for moving, in an X direction, an element E floating or submerged in a body of water 2 according to a second embodiment.
- the device according to the second embodiment comprises two perforated tubes 4 immersed in the body of water.
- the device 101 comprises a first perforated tube 141 and a second perforated tube 142 connected to the air compressor 3.
- the first and second perforated tubes are arranged successively in the direction of the capture zone.
- the second perforated tube 142 is arranged upstream of the first perforated tube 141 in the direction X.
- the compressed air supply to the first and second perforated tubes 141, 142 is regulated by the microcontroller 5.
- the first tube 141 is supplied with compressed air.
- the first step of supplying the first perforated tube 141 there takes place a first step of stopping the supply of the second perforated tube, during which the second perforated tube 142 has no compressed air supply.
- the compressed air supply to the first perforated tube allows the generation of a first curtain of air bubbles 81.
- the first curtain of air bubbles 81 rising to the surface of the water 13 generates a first displacement wave 1141 moving at least one element E in the direction of the second perforated tube 142 disposed upstream of the first tube 141 (illustrated in FIG. 3b).
- At the end of the first supply step at least one element E is located in a zone ZA upstream of the second perforated tube 142.
- the duration of the first feeding step is identical to the duration of the first feeding stopping stage.
- the first feed step and the first feed stop step take place simultaneously.
- a second step of supplying compressed air to the second perforated tube 142 takes place, during which the compressor supplies the second perforated tube with compressed air.
- the second tube 142 is supplied with compressed air.
- the second step of supplying the first perforated tube 141 there takes place a second step of stopping the supply of the first perforated tube 141, during which the first perforated tube 141 has no compressed air supply.
- the duration of the second feeding step is identical to the duration of the second feeding stopping stage.
- the second feed step and the second feed stop step take place simultaneously.
- the duration of the first power supply and supply shutdown steps and the second supply and supply shutdown steps are identical.
- the duration of each of these steps can be between 1 s and 60 s, preferably between 4 s and 30 s.
- the first tube 141 and the second tube 142 are spaced in the direction of the capture zone ZC, in the direction X, by a distance of between 4 and 8m, preferably between 4 and 6m.
- the second perforated tube 142 is placed at a distance of 4 to 8 m from the capture zone ZC, preferably 4 to 6 m. Even more preferably, the second perforated tube 142 is arranged at a distance of 4 to 8 m from a collection end of the collector, preferably 4 to 6 m.
- the first perforated tube 141 and the second perforated tube 142 respectively comprise a portion of tube 161, 162, provided with perforations 171, 172.
- the perforations 171 of the first perforated tube 141 may be identical or distinct from the perforations 172 of the second tube.
- the first and second tubes 141, 142 may respectively comprise a portion 6 provided with perforations 171, 172 corresponding to one of the profiles illustrated in FIGS.
- the device 101 can comprise more than two tubes connected to the air compressor 3, namely N tubes connected to the air compressor 3, with N greater than or equal to 3.
- the N perforated tubes are arranged successively. in the direction of the capture zone ZC in the direction X.
- the first perforated tube 141 is the most downstream of the capture zone, namely the furthest from the capture zone ZC, in the direction X.
- the "Nth The perforated tube is placed the most upstream, namely the closest to the capture zone ZC, in the direction X.
- the compressed air supply to the N perforated tubes is regulated by the microcontroller 5.
- the N perforated tubes are successively supplied with compressed air to make it possible to move floating or submerged elements in a zone ZA upstream from the first perforated tube 141 to the capture zone ZC using N successive bubble curtains.
- the N perforated tubes are spaced in the direction of the capture zone ZC, in the direction X, by a distance of 4 to 8 m, more preferably 4 to 6 m, more preferably 3 m. Even more preferably, the “N th” perforated tube is placed at a distance of 4 to 8 m from a collection end of the collector or of the collection zone, preferably 4 to 6 m, more preferably B m.
- a feed cycle of the N perforated tubes is defined such that each of the perforated tubes is fed individually, once per cycle, successively and after stopping the supply of another perforated tube.
- the most downstream perforated tube 141 is first supplied with compressed air during the supply cycle, then the next tube arranged upstream, in the direction X of the capture zone ZC, is supplied.
- the cycle is completed when the step of supplying compressed air to the "Nth" perforated tube is completed.
- Two tubes supplied successively are arranged side by side in the X direction, so that the first of the two tubes supplied with compressed air is downstream of the second.
- the power cycle is reproduced periodically.
- the first perforated tube 141 being arranged furthest from the capture zone ZC is supplied first.
- the tubes arranged successively upstream, in the direction X, are successively supplied with compressed air until the perforated tube closest to the capture zone ZC is supplied with compressed air.
- FIG. 3c illustrates an embodiment of the device 101 according to the invention.
- the device comprises a plurality of N rectilinear perforated tubes 163-1 to 163-N aligned in parallel connected to an apparatus supplying air, such as a compressor 3 by a common tube 40.
- Each of the N perforated tubes 163-1 at 163-N is parallel to the catchment area.
- N is a number greater than or equal to 2.
- the N perforated tubes 163-1 to 163-N are arranged successively in the direction of the capture zone ZC in the direction X.
- the first perforated tube 163-1 is the most downstream of the capture zone ZC, namely the furthest from the capture zone ZC, in the direction X.
- the "Nth" perforated tube 163-N is placed furthest upstream, namely the closest to the ZC capture, according to the X direction.
- the compressed air supply to the N perforated tubes 163-1 to 163-N is regulated by the microcontroller 5.
- the embodiment is not limited to this number of perforated tubes 163-1 to 163-N.
- the N perforated tubes are spaced in the direction of the capture zone ZC, in the direction X, by a distance of 1 to 8 m, more preferably 2 to 6 m, more preferably 3 m.
- the “Nth” perforated tube is placed at a distance of 1 to 8 m from the capture zone, preferably 2 to 6 m, more preferably 3 m.
- a feed cycle of the N perforated tubes is defined such that each of the perforated tubes is fed individually, once per cycle, successively and after stopping the supply of another perforated tube.
- the perforated tube 163-1, the most downstream, is supplied first with compressed air during the supply cycle, then the next tube arranged upstream, in the direction X of the capture zone ZC is supplied, until "Nth" tube 163-N is supplied with compressed air by the compressor 3.
- the cycle is completed when the step of supplying compressed air to the "Nth" perforated tube 163-N is completed.
- the power cycle is reproduced periodically.
- two perforated tubes 163-i and 163-i-l arranged successively in the direction X are not supplied with compressed air simultaneously.
- the embodiment illustrated in FIG. 3c can be modified by changing the profile of the N perforated tubes.
- Figure 3d illustrates N perforated tubes 164-1 to 164-N, aligned parallel, have a curved profile forming an area at least partially encircled, as illustrated in Figure lb. This partially encircled zone of the "Nth" tube 164-N comprises the capture zone.
- Figure 3e illustrates N perforated tubes 165-1 through 165-N aligned parallel.
- Each of the perforated tubes 165-1 to 165-N has a first part 9 and a second part 10 rectilinear connected by an elbow connection 11.
- the first part 9 extends parallel to an edge of the capture zone ZC, preferably parallel to a collecting end of a collector.
- the second part 10 extends towards an edge of the body of water where the capture zone ZC is located.
- the angle a formed by the bent connection 11 is greater than or equal to 90 ° and strictly less than 180 °, preferably this angle is greater than or equal to 90 ° and less than or equal to 135 °.
- FIG. 3f illustrates an embodiment of the device 101 according to the invention, an embodiment comprising N perforated tubes.
- N is a positive integer greater than 1
- i is a positive integer such that l £ i £ N-1.
- Each of the "i th" perforated tubes 166-1, 166-i is formed by a perforated rectilinear tube.
- Each of the "i-th" perforated tubes 166-i are arranged parallel to each other and parallel to the capture zone ZC.
- the "Nth" perforated tube is formed by a tube having a curved profile as illustrated in Figures lb and 3d. This partially encircled zone of the “N th” tube 166-N comprises the capture zone.
- the "Nth" perforated tube has a first part 9 and a second part 10 rectilinear connected by an elbow connection 11.
- the second part 10 extends towards an edge of the extent d. water where the ZC catchment area is located.
- the angle a formed by the bent connection 11 is greater than or equal to 90 ° and strictly less than 180 °, preferably this angle is greater than or equal to 90 ° and less than or equal to 135 °.
- the profile of the "Nth" perforated tube allows the elements E to converge towards the capture zone ZC.
- the perforated tubes N and N-1 have the same profile or a combination of perforated tubes according to one of the embodiments illustrated in FIGS. 1b to 1d.
- the fact that the perforated tubes N and N-1 are not rectilinear makes it possible to optimize the convergence of the elements E towards the capture zone ZC.
- the N pairs of perforated tubes are spaced in the direction of the capture zone ZC, in the direction X, by a distance of 1 to 8 m, more preferably 2 to 6. m, more preferably B m.
- the “N th” perforated tube is placed at a distance of 1 to 8 m from the capture zone ZC, preferably 2 to 6 m, more preferably 3 m.
- FIG. 4a is a schematic representation of a device 201 for moving, in an X direction, an element E floating or submerged in a body of water 2 according to a third embodiment.
- This third embodiment corresponds to a specific embodiment of the second embodiment.
- the device 201 comprises a common part 202, preferably in the form of a tube, and a network of perforated tubes formed by N pairs of perforated tubes 240-1 to 240- N, arranged successively along an axis X directed towards the zone of ZC capture.
- the “N th” pair of perforated tubes is placed furthest upstream, namely the closest to the capture zone ZC, in direction X.
- the compressed air supply to the N perforated tubes is regulated by the microcontroller 5.
- the first pair of perforated tubes 240-1 is the pair of tubes 1a placed most downstream with respect to the capture zone ZC.
- the first pair of perforated tubes 240-1 is the pair of perforated tubes furthest from the ZC capture zone, and the “N th” pair of perforated tubes is the pair of perforated tubes closest to the ZC capture zone .
- N is a positive integer greater than 1.
- the N pairs of perforated tubes 240 are spaced in the direction of the capture zone ZC, in the direction X, by a distance of 1 to 8 m, more preferably 2 to 6 m, even more preferably 3 m.
- the “N th” pair of perforated tubes is arranged at a distance of 1 to 8 m from a collection end of the collector, preferably 2 to 6 m, even more preferably 3 m.
- Each of the pairs of tubes is defined in the same way as the first pair of perforated tubes 240-1.
- the first pair of perforated tubes is defined by a first tube 240-la and a second tube 240-lb connected by an elbow link 240-lc forming an angle a1.
- N is a positive integer greater than 1
- i is a positive integer such that l £ i £ N.
- the "i-th" pair of perforated tubes 240-i comprises a first tube 240-ia and a second tube 240-ib connected by an elbow link 240-ic forming an angle ⁇ .
- the common part 202 opens at a through opening of the elbow connection of each of the pairs of perforated tubes 240 or at a through opening opening directly into the first and second tubes of each of the pairs. The through openings make it possible to ensure fluid communication between the compressor 3 and each of the pairs of perforated tubes 240 to supply the first and the second tubes of each pair 240 with compressed air.
- Each of the through openings is configured to be closed or open and allow the supply of a perforated tube with compressed air.
- the through openings of a pair of tubes are configured to be open or closed simultaneously, and that the first and second tubes of the pair 240 are supplied or not supplied with compressed air simultaneously.
- the common part is directly connected to the compressed air compressor.
- the network of tubes is simplified and a smaller number of tubes must be immersed in the body of water 2.
- angles a1 to aN are between 90 and 180 °.
- angles a1 to aN are identical.
- the common part 202 extends longitudinally in the same horizontal plane as the first and second portions of each of the N pairs of perforated tubes 240.
- the common part can be arranged so that its longitudinal axis forms a bisector with respect to it. at each of the angles a1 to aN.
- the first tubes, respectively the second tubes, of each pair of perforated tubes 240 are mutually parallel and the longitudinal axis of the common part forms an axis of symmetry.
- the portion of the common part 202, carrying each of the pairs of perforated tubes 240 extends perpendicularly to the capture zone ZC, even more preferably, in a direction perpendicular to a collection end of a collector located in the capture area.
- a power cycle of the N pairs of perforated tubes 240 is defined such that each of the pairs of perforated tubes is fed individually, once per cycle, successively and after stopping the supply of another perforated tube.
- the first pair of perforated tubes 240-1 most downstream is supplied first with compressed air during the supply cycle, then the next pair of perforated tubes 240-2 arranged directly upstream, in the X direction of the zone of ZC capture is powered.
- the pairs of perforated tubes 240 are thus supplied successively until the “N th” pair of perforated tubes is supplied with compressed air.
- the cycle is completed when the step of supplying compressed air to the "Nth" pair of perforated tubes is completed.
- Two pairs of tubes supplied successively are arranged side by side in the direction X, so that the first of the two pairs of tubes supplied with compressed air is downstream of the second.
- FIG. 4b is a schematic representation of a device 201 for moving, in an X direction, an element E floating or submerged in a body of water 2 according to one embodiment.
- the device 201 comprises a common part 202, preferably in the form of a tube, and a network of perforated tubes formed by N pairs of perforated tubes 250-1 to 250- N, arranged successively along an axis X directed towards the zone of ZC capture.
- the first pair of perforated tubes 250-1 is the pair of tubes placed most downstream with respect to the capture zone ZC.
- the first pair of perforated tubes 250-1 is the pair of perforated tubes furthest from the ZC capture zone, and the “Nth” pair 250-N of perforated tubes is the pair of perforated tubes closest to the zone. ZC capture.
- the compressed air supply to the N perforated tubes is regulated by microcontroller 5.
- N is a positive integer greater than 3
- j is a positive integer such that l £ j ⁇ N-1.
- the "jth" pair of perforated tubes 250-j comprises a first tube 250-j a and a second tube 240-j b rectilinear and aligned, extending on either side of the common part 202.
- the first tube 250-j a and the second tube 240-j b are coaxial.
- the "Nth" and the “Nlth” pairs of perforated tubes 250-N respectively comprise a first tube 250-Nl a, 250-N a and respectively a second tube 250-Nl b, 250-N b respectively connected by a bent bond 250-Nl c, 250-N c forming an angle aN-1, aN.
- each of the “j th” pairs of perforated tubes 250-j are spaced in the direction of the capture zone ZC, in the direction X, by a distance of 1 to 8 m, more preferably 2 to 6 m, even more. preferably B m.
- the “N-2 nd” pair 250-N-2 of perforated tubes comprising a first tube 250-N-2 a and a second tube 250-N-2 b aligned, coaxial and parallel to the other “j th” pairs of tubes perforated with perforated tubes 250-j.
- the first tube 250-N-2 a includes an end 250-N-2 aE opposite to the common part 202.
- the second tube 250-N-2 b includes an end 250-N-2 bE opposite to the common part 202.
- the first 250-Nl a tube of the "Nl th" pair 250-N-1 has a 250-Nl aE end opposite the common portion 202.
- the second 250-Nl b tube of the "Nl th" pair 250-Nl includes a 250-Nl bE end opposite the common part 202.
- the end of the 250-N-2 aE, respectively the end of the 250-N-2 bE, is arranged at a distance of 1 to 8 m from the end 250-Nl aE, respectively from the end 250 -Nl bE, preferably 2 to 6 m, even more preferably 3 m.
- the angled connection 250-Nl c is spaced from the angled connection 250-N c in the direction of the capture zone ZC, according to the direction X, by a distance of 1 to 8 m, more preferably 2 to 6 m, even more preferably 3 m.
- the common part 202 opens at a through opening of the elbow connection of each of the pairs of perforated tubes 250 or at a through opening opening directly into the first and second tubes of each of the pairs.
- the through openings make it possible to ensure fluid communication between the compressor 3 and each of the pairs of perforated tubes 250 in order to supply the first and the second tubes of each of the pairs 250 with compressed air.
- Each of the through openings is configured to be closed or open and allow the supply of a perforated tube with compressed air.
- the compressed air supply to each of the pairs of the perforated tubes is conditioned by the actuation of valve 612 (illustrated in FIGS. 6a and 6b). making it possible to open or close the fluid communication between the common part 202 and each of the pairs 250 of perforated tubes.
- the through openings of a pair of tubes are configured to be open or closed simultaneously, and that the first and second tubes of a pair of perforated tubes 250 are supplied or not supplied with compressed air simultaneously.
- a supply cycle of the N pairs of perforated tubes 250 is defined such that each of the pairs of perforated tubes is supplied individually, once per cycle, successively and after stopping the supply of another perforated tube.
- the first pair of perforated tubes 250-1 most downstream is supplied the first with compressed air during the supply cycle, up to the pair of perforated tubes 250-N arranged directly upstream, in the X direction of the zone ZC capture is supplied.
- the pairs of perforated tubes 250 are thus supplied successively until the “N th” pair of perforated tubes is supplied with compressed air.
- the cycle is completed when the step of supplying compressed air to the "Nth" pair of perforated tubes is completed.
- Two pairs of tubes supplied successively are arranged side by side in the direction X, so that the first of the two pairs of tubes supplied with compressed air is downstream of the second.
- the power cycle is reproduced periodically.
- the profile of the "Nl th" pair 250-Nl of perforated tubes 250-Nl a, 250-Nl b has the same profile as each of the "jth". »250-j pair of perforated tubes 250-ja, 250-j b.
- the first and second tubes 250-Nl a, 250-Nl b are rectilinear and coaxial.
- the pair "Nl th" 250-Nl of perforated tubes comprising a first tube 250-Nl a and a second tube 250-Nl b aligned, coaxial and parallel to the other "j th" pairs of perforated tubes of perforated tubes 250-j.
- the first 250-Nl a tube has a 250-Nl aE end opposite the common part 202.
- the second 250-Nl b tube has a 250-Nl bE end opposite the common part
- the first tube 250-N a of the "Nth" pair 250-N has a 250-N end aE opposite the common portion 202.
- the second tube 250-N b of the "Nth" pair 250-N has an end 250-N bE opposite to the common part 202.
- the end of the 250-Nl aE, respectively the end of the 250-Nl bE, is arranged at a distance of 1 to 8 m from the end 250-N aE, respectively from the end 250-N bE, preferably 2 to 6 m, even more preferably B m.
- FIG. 5 is a schematic representation of a device 301 for moving, in an X direction, an element E floating or submerged in a body of water 2 according to a fourth embodiment.
- This fourth embodiment corresponds to a specific embodiment of the second embodiment.
- the device 301 comprises a common part 302, preferably in the form of a tube, and a network of perforated tubes formed by N pairs of perforated tubes 340-1 to 340- N, arranged successively along an axis X directed towards the zone of ZC capture.
- N is a positive integer greater than 1.
- the first pair of perforated tubes 340-1 is the pair of perforated tubes furthest from the capture zone ZC
- the “N th” pair of perforated tubes 340-N is the pair of perforated tubes closest to the ZC capture zone.
- the N pairs of perforated tubes 340 are spaced in the direction of the capture zone ZC, in the direction X, by a distance of 4 to 8 m, preferably 4 to 6 m.
- the pair of tubes 340-N is arranged at a distance of
- Each of the pairs of tubes is defined in the same way as the first pair of perforated tubes 340-1.
- the first pair of perforated tubes 340-1 is defined by a first tube 340-la comprising: a first part 340-la extending longitudinally, along a first longitudinal axis perpendicular to the longitudinal direction of the common part 302, a second part 340-la2 extending longitudinally along a second longitudinal axis, the first and second longitudinal axes being intersecting, and an elbow connection 340-la3 fluidly connecting the first and second parts 340-la, 340-la2 of the first tube 340-la , the elbow connection 340-la3 forms an angle between the first and second longitudinal axes,
- the first pair of perforated tubes 340-1 is further defined by a second tube comprising 340-lb: a first part 340-lbl extending longitudinally, along the first longitudinal axis perpendicular to the common part 302, aligned with the first part of the first tube 340-lal a second part 340-lb2 extending longitudinally along a second longitudinal axis, the first and second longitudinal axes being intersecting, and an elbow connection 340-lb3 fluidly connecting the first and the second parts 340-lbl, 340-lb2 of the 340-lb tube, the elbow link 340-lb3 forms an angle a21 between the first and second longitudinal axes.
- I is a positive integer such as l £ i £ N
- the "th" pair of tubes comprises a first tube having an elbow link 340-ia3 forming an angle ali and a second tube having an elbow link 340- ib3 forming an angle a2i.
- the common part 302 opens into at least one through opening of each first and second perforated tubes of each pair of perforated tubes 340.
- the through openings make it possible to ensure fluid communication between the compressor 3 and each of the pairs of perforated tubes 340 in order to supply the first and the second tubes of each pair 340 with compressed air.
- Each of the through openings is configured to be closed or open and allow the supply of a perforated tube with compressed air.
- the through openings of a pair of tubes are configured to be open or closed simultaneously, and that the first and second tubes of the pair 340 are supplied or not supplied with compressed air simultaneously.
- the first part and the second part of each tube of a pair of perforated tubes extend over a distance of between 1 and 5 m, preferably 3 m.
- angles ail to alN and the angles a21 to a2N are between 90 and 180 °, more preferably between 135 and 180 °.
- angles a1 to aN are identical.
- the common part 302 extends longitudinally in the same horizontal plane as the first and second tubes of each of the N pairs of perforated tubes 340.
- the common part 302 can be arranged so that its longitudinal axis forms an axis of symmetry.
- the first parts of the first and second tubes of each pair of perforated tubes 340 are mutually parallel. And preferably the second parts of the first tubes, respectively, the second parts of the second tubes of each pair of the perforated tubes 340 are mutually parallel.
- the portion of the common part 302, carrying each of the pairs of perforated tubes 340 extends perpendicularly to the collection zone ZC, even more preferably, in a direction perpendicular to a collection end of a collector located in the capture area.
- a supply cycle of the N pairs of perforated tubes is defined such that each of the pairs of perforated tubes is supplied individually, once per cycle, successively and after stopping the supply of another perforated tube.
- the first pair of perforated tubes 340-1 most downstream is supplied the first with compressed air during the cycle feed, then the next pair of perforated tubes 340-2 directly arranged upstream, in the X direction of the capture zone ZC is fed.
- the pairs of perforated tubes 340 are thus supplied successively until the “N th” pair of perforated tubes is supplied with compressed air.
- the cycle is complete when the step of supplying compressed air to the "Nth" pair of perforated tubes 340-N is completed.
- Two pairs of tubes supplied successively are arranged side by side in the X direction, so that the first of the two pairs of tubes supplied with compressed air is downstream of the second.
- the power cycle is reproduced periodically.
- an alternating power cycle can comprise the simultaneous feeding of at least two perforated tubes or two pairs of perforated tubes can take place simultaneously, in the case where the two tubes are not. not arranged directly upstream or downstream of each other.
- Such an alternating supply cycle makes it possible to accelerate the movement of floating or submerged elements in the direction of the capture zone ZC.
- FIG. 6a illustrates a mechanical reinforcement structure 600 at the level of a connection formed between a common part 202 connected to the compressor and a pair 610 of coaxial perforated tubes 610-a, 610-b.
- the mechanical reinforcement structure 600 comprises four sections 601, 602,
- the third section 603 is fixed on the one hand on an upper face of the first section 601 and on the other hand on an upper face of the second section 602.
- the fourth section 604 is fixed on the one hand on the upper face of the first section 601 and on the other hand on the upper face of the second section 602.
- the first profile 601 includes a circular opening 601-3 corresponding to the outside diameter of the first tube 610-a of the pair of tubes passing through the first profile 601.
- the second profile 602 comprises a circular opening 602-3 corresponding to the outside diameter of the second tube 610-b of the pair 610 of tubes passing through the second profile
- FIG. 6 illustrates a pair of coaxial perforated tubes connected by a tee connection 613.
- the openings 601-3 and 602-3 are aligned and coaxial.
- the third and the fourth sections 603, 604 respectively comprise a circular opening 603-3, 604-3, corresponding to the diameter of the common part 202 passing through the third and fourth sections 603, 604.
- FIG. 6b illustrates a reinforcing structure disposed at an elbow connection 620-c, between a first tube 620-a and a second tube 620-b of a pair of perforated tubes.
- the first section 601 comprises an opening 601-3 ', crossed by the first tube 620-a, formed obliquely at the second end 601-2 of the first section.
- the second section 602 comprises an opening 602-3 ′, through which the second tube 620-b passes, formed obliquely at the second end 602-2 of the second section.
- each of the profiles includes first and second opposite ends.
- the third section 603 is fixed, at its first end 603-1, on the upper face of the first section 601 at the level of the first end 601-1, and is fixed, at its second end 603-2, on the upper face of the second section 602 at the first end 602-1.
- the fourth section 604 is fixed, at its first end 604-1, on the upper face of the first section 601 at the level of the second end 601-2, and being fixed, at its second end 604-2, on the upper face of the second section 602 at the second end 602-2.
- first section 601 and the second section 602 are parallel.
- the third section 603 and the fourth section 602 are parallel.
- the mechanical reinforcement structure 600 has a rectangular shape.
- each connection zone between the common part and a pair of perforated tubes comprises a mechanical reinforcement structure 600.
- a mechanical reinforcement structure makes it possible to reinforce the mechanical resistance of the tubes forming the common part and the pairs. of perforated tubes, more particularly to the connection zone between the common part and a pair of perforated tubes.
- This mechanical reinforcement structure thus also makes it possible to avoid air leaks at these connection zones.
- FIG. 6a further illustrates of the reinforcement structure 600, an embodiment of the connection of the common part to a pair of coaxial perforated tubes 610-a, 610-b.
- the common part 202 comprises, at the level of the connection with the pair 610 of perforated tubes, a first coaxial tube 202-a and a second tube 202-b connected by two openings facing a tee connection 611
- the tee connection 611 comprises a perpendicular opening forming a bypass allowing the supply of compressed air to the pair 610 of perforated tubes.
- the perpendicular opening opens out at the inlet of a valve 612.
- the valve 612 makes it possible to regulate the supply of compressed air to the pair 610 of perforated tubes.
- the outlet of the valve 12 opens into a tee connection 613 at the level of the opening perpendicular to the two opposite coaxial openings.
- Each of the opposing coaxial openings is connected one to the first tube 610-a and the other to the second tube 610-b.
- FIG. 6b further illustrates of the reinforcement structure 600, an embodiment of the connection of the common part to a pair 620 of perforated tubes 620-a, 620-b connected by an elbow connection zone 620-c.
- the first tube 620-a comprises a first portion of tube 620-al, an elbow link 624-a and a second portion of the first tube 620-a2.
- the first portion 620-a1 being linked on the one hand to the tee connection 613, and on the other hand to a first end of the elbow connection 624-a.
- the second portion of the first tube 620-a2 is connected to the second end of the elbow link 624-a.
- the second tube 620-b comprises a first portion of tube (not visible), an elbow link 624-b and a second portion of the first tube 620-b2.
- the first portion being linked on the one hand to the tee connection 613, and on the other hand to a first end of the elbow connection 624-b.
- the second portion of the first tube 620-b2 is connected to the second end of the elbow link 624-b.
- the elbow link 620-c is formed by the tee link, the first portion 620-al of the first tube 620-a and the elbow link 624-a, the first portion (not visible) of the second tube 620-b and the link cubit 624b.
- At least one mechanical reinforcement structure 600 comprises a ballast 630 fixed to the upper faces of the third section 603 and of the fourth section 604.
- the ballast 630 allows the device for moving a floating or submerged element E to be easily brought to the surface.
- the use of ballast also makes it possible to facilitate the immersion of the device.
- the ballast is an inflatable system connected by an air network. When the ballast is inflated, the submerged device acquires flotation and rises to the surface of the water. This allows the partially floating device to be easily installed and positioned using the inflated ballast (s). Raising the device to the surface, using ballast inflation, allows easy maintenance.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Jet Pumps And Other Pumps (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR2006179A FR3111363A1 (fr) | 2020-06-12 | 2020-06-12 | Dispositif de déplacement d’un élément flottant ou immergé |
PCT/EP2021/065869 WO2021250270A1 (fr) | 2020-06-12 | 2021-06-11 | Dispositif de déplacement d'un élément flottant ou immergé |
Publications (1)
Publication Number | Publication Date |
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EP4165251A1 true EP4165251A1 (fr) | 2023-04-19 |
Family
ID=72560781
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP21732049.8A Withdrawn EP4165251A1 (fr) | 2020-06-12 | 2021-06-11 | Dispositif de déplacement d'un élément flottant ou immergé |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP4165251A1 (fr) |
FR (1) | FR3111363A1 (fr) |
WO (1) | WO2021250270A1 (fr) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9724240D0 (en) * | 1997-11-18 | 1998-01-14 | Hall Roger A R | Method and apparatus for use of gases in liquid |
US20030001291A1 (en) * | 2001-07-02 | 2003-01-02 | Stevens John Walter | Apparatus and method for preventing growth of marine organisms |
KR100558267B1 (ko) * | 2004-01-03 | 2006-03-10 | 한국해양연구원 | 발전소 취수구 유입 해양생물 제거시스템 및 제거방법 |
CN104846776A (zh) * | 2015-05-14 | 2015-08-19 | 中交四航局第二工程有限公司 | 一种采用气幕式防波堤进行堤头施工防护的方法 |
-
2020
- 2020-06-12 FR FR2006179A patent/FR3111363A1/fr not_active Withdrawn
-
2021
- 2021-06-11 WO PCT/EP2021/065869 patent/WO2021250270A1/fr unknown
- 2021-06-11 EP EP21732049.8A patent/EP4165251A1/fr not_active Withdrawn
Also Published As
Publication number | Publication date |
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WO2021250270A1 (fr) | 2021-12-16 |
FR3111363A1 (fr) | 2021-12-17 |
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