EP2736799A1 - Système de nettoyage de coque de bateau pour l'enlèvement des salissures - Google Patents

Système de nettoyage de coque de bateau pour l'enlèvement des salissures

Info

Publication number
EP2736799A1
EP2736799A1 EP12817394.5A EP12817394A EP2736799A1 EP 2736799 A1 EP2736799 A1 EP 2736799A1 EP 12817394 A EP12817394 A EP 12817394A EP 2736799 A1 EP2736799 A1 EP 2736799A1
Authority
EP
European Patent Office
Prior art keywords
container
water
cleaning system
cleaning unit
ship hull
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Withdrawn
Application number
EP12817394.5A
Other languages
German (de)
English (en)
Other versions
EP2736799A4 (fr
Inventor
Jørgen Hansen
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.)
MMS Equipment AS
Original Assignee
MMS Equipment AS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by MMS Equipment AS filed Critical MMS Equipment AS
Publication of EP2736799A1 publication Critical patent/EP2736799A1/fr
Publication of EP2736799A4 publication Critical patent/EP2736799A4/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00—Cleaning by methods involving the use of tools
    • B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
    • B08B1/32—Cleaning by methods involving the use of tools by movement of cleaning members over a surface using rotary cleaning members
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B13/00—Brushes with driven brush bodies or carriers
    • A46B13/02—Brushes with driven brush bodies or carriers power-driven carriers
    • A46B13/04—Brushes with driven brush bodies or carriers power-driven carriers with reservoir or other means for supplying substances
    • A46B13/06—Brushes with driven brush bodies or carriers power-driven carriers with reservoir or other means for supplying substances with brush driven by the supplied medium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B59/00—Hull protection specially adapted for vessels; Cleaning devices specially adapted for vessels
    • B63B59/06—Cleaning devices for hulls
    • B63B59/08—Cleaning devices for hulls of underwater surfaces while afloat
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B2200/00—Brushes characterized by their functions, uses or applications
    • A46B2200/30—Brushes for cleaning or polishing

Definitions

  • the present invention relates to a ship hull cleaning system for removing fouling, the ship hull cleaning system comprising an underwa- ter cleaning unit having cleaning brushes rotatable by at least one drive, a water suction line connecting the cleaning unit with a pump, and a water pressure line from the pump to the cleaning unit, cleaned off fouling being transportable via the water suction line to at least one filter device.
  • US 5,628,271 relates to a recirculation system for cleaning of vessels in dry- dock.
  • a pressure pump draws water from a holding tank to a cleaning device. Dirty water is pumped via a filter and clean water from the filter is pumped to the holding tank for reuse.
  • the ship hull cleaning system is characterized in that the pump is a centrifugal pump, that the at least one filter device is located downstream of the centrifugal pump and is connected with the water pressure line leading to the at least one drive, and that the at least one drive has a water outlet positioned for driving the cleaning unit along the hull.
  • the centrifugal pump is insensitive to the presence of fouling parts in the pumped water, and the centrifugal pump can deliver high volumes of water at a significant pressure.
  • the at least one filter device in the water pressure line is very reliable in operation because it is supplied with water at high pressure.
  • the pressure and volume delivered by the centrifugal pump allows effective filtration in the filter device provided downstream of the pump and furthermore allows the water flow from the filter to continue via the water pressure line to the drive rotating the brushes, and furthermore to exit from the drive through the wa- ter outlet positioned to drive the cleaning unit along the hull.
  • the water pressure line from the filter device delivers water to the at least one drive for the brushes in the cleaning unit, and if the filter for one reason or another should be restricting or blocking for water flow, then the brushes will slow down in rotation or even stop operating.
  • the cleaning unit is thus automatically slowed down or stopped if the filter device is clogged.
  • This provides a simple means for driving the cleaning unit forward and the cleaning unit is easy to operate.
  • the single centrifugal pump is providing pressurized water for filtration, driving of brushes, and driving of the cleaning unit along the cleaning path on the underwater hull portion of the ship.
  • the surface to be cleaned is the outside surface of the hull, and this surface is either vertical on major parts of the side of the ship, or facing more or less downwards on the side parts curving towards the bottom of the hull, or facing directly downwards at the bottom of the ship hull. Gravity thus tends to remove the cleaning unit away from the surface.
  • the centrifugal pump can deliver high volumes of water, at in operation it can thus also draw a high volume of water through the wa- ter suction line, and this high volume on the one hand provides for an efficient removal of brushed off fouling and on the other hand provides a flow around the cleaning unit that helps keeping the cleaning unit on the working track along the outer surface of the hull.
  • the water outlet may be fixed in a position, which by experience is suitable for providing forward motion of the cleaning unit.
  • the water outlet from the at least one drive is direction- ally adjustable in relation to the cleaning unit. This provides a diver with the possibility for changing the direction of movement of the cleaning unit in a very easy manner. In order to clean a large underwater surface the cleaning unit has to pass in the forward direction and in the aft direction many times in parallel paths, and it is easier to change the direction of the water outlet than to turn with the complete cleaning unit.
  • the underwater cleaning unit has a water suction line to the centrifugal pump with a larger diameter than the water pressure line from the centrifugal pump.
  • the centrifugal pump is thus met with lower flow resistance on the suction side than on the pressure side, and it may furthermore be an advantage to let the pump cause a larger water flow volume in the water suction line than in the water pressure line to the underwater cleaning unit.
  • the difference in flow volume can be obtained by opening a by-pass valve or a waste valve located in the pressure line, preferably downstream of the filter device.
  • the by-pass valve can be used if pressurized water can be used for other purposes than supplying the underwater cleaning unit, and a waste valve can be used if the pressurized water is simply let out to sea.
  • the underwater cleaning unit has a circumferential hollow structure providing buoyancy to the cleaning unit.
  • the circumferential structure can be formed as a pipe, preferably a pipe of a material having a density lower that 1, such as a density of 0.98, so that material in the structure itself also provides positive buoyancy in sea water.
  • the hollow structure may be dimensioned so that the cleaning unit has a negative buoyancy of less than 10 kg, and preferably in the range from 4 to 0.5 kg, and more preferably about 2 kg. When the cleaning unit is in operation it has a tendency to be directed by suction towards the outer surface being cleaned, and a small negative buoyancy is favourable for easy operation by the diver.
  • the at least one filter device is mounted at a container, the container being provided with at least one buoyant body for positioning below the container.
  • the filter device is preferably maintained above sea level while the cleaning unit is used for underwater hull cleaning.
  • the at least one buoyant body may just support the container from below and the container may be partially self-floating, but preferably the at least one buoyant body has sufficient size to hold the container and the equipment therein in a position where the bottom of the container is above sea water level.
  • the buoyancy of the at least one buoyant body is larger than the combined weight of the container, the buoyant body itself and the equipment and personnel present at the container.
  • the container with the equipment may be floated to a position next to the ship to be cleaned with the re- suit that the water suction line and the water pressure line may have shorter lengths as the distances between the pump and the filter device on the one hand and the cleaning unit on the other hand are smaller when the container is close to the ship.
  • the at least one buoyant body has a length and a width corresponding to the length and width of the container, and the at least one buoyant body has corner fittings.
  • the corner fittings on the buoyant body can be locked to similar corner fittings on the container, such as by using twist-locks or other standard container corner locking equipment.
  • An advantage of this is that the buoyant body can be connected with the container by standard means and without exceeding the footprint of the container, such as 6.1 m x 2.44 m (20' x 8') for a 20' ISO standard container, or 12.2 m x 2.44 m (40' x 8') for a 40' ISO standard container.
  • the hull cleaning system is thus easy to store as it fits into standard container systems, and it is easy to move as standard container cranes can be used.
  • the container is provided with two buoyant bodies.
  • the stability of the system in floating condition is improved by using two buoyant bodies instead of only a single buoyant body, because the two buoyant bodies may be located with mutual separation below the container and thus provide a higher righting moment.
  • either end of the container is locked to one of the two buoyant bodies, the buoyant bodies being located with their length direction extending in the width direction of the container, when the system is in its floating operating condition.
  • the container and the two buoyant bodies are thus in an H-type configuration when viewed from above, and this provides a high degree of floating stability.
  • This configuration also provides free deck space outside the footprint of the container, and better ability for personnel to move around and assist di- vers and handle moorings etc. during the cleaning operation.
  • the two buoyant bodies are spaced apart and a floor structure, preferably a grating, extends between the buoyant bodies in the area next to the container.
  • the grating increases the available deck space.
  • the hull cleaning system preferably has an inactive condition, in which at least the cleaning unit, the water suction line, the water pressure line, the centrifugal pump, the at least one filter device, a generator and possibly diving equipment are stored within the container.
  • the at least one buoyant body can be positioned on the container with the length direction extending in the length direction of the container.
  • the at least one buoyant body can be positioned on top of the container or on the bottom side of the container, or in case of two or more buoyant bodies both on the bottom side and on the top side of the container. Two buoyant bodies can alternatively be locked together on top of one another. This alternative is preferred in cases, where the buoyant bodies have a height corresponding to about 50% of the height of the container.
  • the complete hull cleaning system is easily stored in a safe manner.
  • the container is provided with diving equip- ment.
  • diving equipment in the container of the hull cleaning system it becomes possible to dispense with using a separate diving ship.
  • the container is provided with communication equipment and recording equipment for the underwater operation of the cleaning unit.
  • the communication equipment allows easy communication with the diver or divers operating the cleaning unit, and the recording equipment, such as video recording, may document the cleaning operation.
  • the hull cleaning system is self-propelled by providing one of the buoyant bodies with an engine driving a water pump, and providing the buoyant bodies with submerged nozzles for ejecting pressurized water delivered by the water pump.
  • Figs. 1 and 2 are side views of the hull cleaning system according to a first embodiment and a second embodiment of the present invention stored in inactive conditions,
  • FIGs. 3 to 5 are illustrations of the embodiment in Fig. 2 as it is shifted to an active, operating condition; where Figs. 3 and 5 are views from above, and Fig. 4 is a side view,
  • Fig. 6 is an illustration in a view from above of an embodiment in the operating condition
  • Figs. 7 and 8 are views from the outside a nd the inside of a cleaning unit of the hull cleaning system of Fig. 2, and
  • Figs. 9 and 10 are views like Figs. 7 and 8 of a further a cleaning unit of the hull cleaning system of Fig. 2.
  • a hull cleaning system is generally designated 1 and includes in a stored away condition various parts located inside a container 10 and two buoyant bodies 11 located outside container 10.
  • the two buoyant bodies 11 can be arranged in different ways with respect to the container in the stored away condition.
  • the buoyant bodies can be stored separately from the container.
  • the buoyant bodies can be arranged below and on top of the container, as it is illustrated in Fig. 1, both buoyant bodies can be arranged on top of the container, or both buoyant bodies 11 can be arranged below the container 10. In the first embodiment of Fig. 1 the buoyant bodies have sufficient height to provide the required buoyancy.
  • the buoyant bodies have larger height than in the first embodiment, namely a height corresponding to about half the height of container 10.
  • the length and the width of the buoyant body 11 correspond to the length and the width of the container 10.
  • Container 10 may have a freely selected size, but it is preferably an ISO standard container of 20' in length, or possibly of 40' in length.
  • the container 10 has standard corner fittings 12, and the buoyant body 11 is provided with the same type of standard corner fittings 12 at each corner in the same manner as such corner fittings are provided on the container.
  • the corner fittings on both the container and the buoyant body 11 may consequently be interlocked by container standard brackets or container standard twist-locks. In the interconnected state a container crane or another container lifting device can in a single operation lift container 10 and buoyant bodies 11, and the management of the system on shore is thus particularly simple.
  • the container handling or lifting device When the hull cleaning system is to be utilized the container handling or lifting device is activated to lift or transport the interlocked container and buoyant bodies 11 to a shore location nearby a ship to be cleaned from fouling.
  • the buoyant bodies 11 are released by activating the twist-locks or other devices interlocking corner fittings to the un- locked position, and then buoyant bodies 11 are handled to be positioned as illustrated in Fig. 3, where the buoyant bodies 11 are placed in parallel and with such a mutual separation that the four corner fittings on the lower corners of container 10 can be aligned with the two pairs of two corner fittings 12 located within the central portions of the upper surface of each of the buoyant bodies 11.
  • These corner fittings are interlocked with the corner fittings on the lower corners of container 10 by using locking devices, such as twist-locks.
  • the container 10 and the buoyant bodies 11 are then interlocked in the H-shaped configuration illustrated in Figs. 4 and 5. It is possi ble to mount stiffeners to the buoyant bodies 11, such as a horizontal stiffener 30 between the upper corner fittings at the short ends of bodies 11. These horizontal stiffeners are thus located at the bottom and at the top in the H-shape interconnecting the free ends. A horizontal stiffener may also be mounted between the lower corner fittings at the short ends of bodies 11. It is also possible to interconnect two horizontal stiffeners via vertical stiffeners to form a frame shape, and such a frame shape can be strengthened by diagonal stiffening. The frame may be located in between the short ends of the bodies 11 and be locked to the corner fittings of the bodies 11.
  • the horizontal stiffeners may have standard corner fittings at the ends of the individual stiffener, or the stiffeners may at the ends have locking heads to be inserted into and locked to the corner fittings on the bodies 11.
  • the additional strength provided by the horizontal stiffener or stiffeners is advantageous, but not always necessary, and the hull cleaning system may thus in another embodiment be without such stiffeners.
  • the container can have access doors in the end sides, but preferably is has at least one access door in the longitudinal side.
  • a floor structure 14 is placed between the buoyant bodies 11 along either longitudinal side of the container.
  • the floor structure can be a grating, which is removable and can be stored inside the container.
  • one of the floor structures 14 can be shifted between two positions, namely the active position illustrated in Fig. 6 where the floor structure provides support for personnel, and an inactive position where the floor structure has been moved to a position below container 10.
  • the floor structure may e.g. be mounted for swinging between the two positions or it may be mounted for sliding between the two positions, such as by being placed with possibility for sliding on supports extending horizontally in below container 10.
  • container 10 has a window 28 mounted in the vertical side wall in the area located between the two bodies 11, and preferably a control desk 29 within container 10 is placed near the window. It is thus possible from within container 10 to follow the diving op- eration both on equipment located in the container and visually by looking out of the window down into the water.
  • the right hand ends of bodies 11 in Fig. 6 are located next to the side of the hull and the water surface between the bodies is relatively calm which improves the visibility from above, and the floor structure 14 is typically in the in- active position where it does not block the view from the window into the water.
  • a power generator 15 can be positioned on the upper side of the one buoyant body 11, and a centrifugal pump 6 can be positioned on the upper side of the other buoyant body 11.
  • the power generator 15 can be mounted inside the buoyant body 11, and the centrifugal pump 6 can also be mounted inside buoyant body 11.
  • the mounting inside the buoyant body also protects the pump or the power generator against weather. It is also possible to mount the power generator inside the one buoyant body and the centrifugal pump within the other buoyant body.
  • the power generator may be a generator del i- vering power at 230 V and 50 Hz, where the generator is driven by a di- esel engine.
  • the diesel engine and the generator are preferably mounted in a frame structure so at to be movable as a unit.
  • a power generator of this type is available from EuroCommerce ApS, Denmark in a 6 kW version.
  • the centrifugal pump may be a FOX Portable Pump from Rosen- bauer International, Austria of the type PFPN having a capacity of 1000 liters per minute at a delivery pressure of 15 bar and 1600 liters per minute at a delivery pressure of 10 bar.
  • This centrifugal pump is a single-stage pump provided with an automatically controlled double action piston pump for priming the centrifugal pump.
  • the pump is driven by a BMW 2 cylinder four-stroke piston engine providing an output of 50 kW at 4500 rpm.
  • a water suction line 5, typically a steel-armored hose is connected to the suction side of centrifugal pump 6.
  • a water pressure line 7 is connected to the pressure side of centrifugal pump 6 and extends to a filter device 8, such as an automatic filter of the type AF 75 S or AF 76 S and the make Mahle, available from the company Filterteknik, Denmark. It is possible to use only a single filter device 8, but preferably several filter devices are used in series as illustrated in Fig. 6, where the outlet from the first filter device is connected with the inlet of the second filter device, and so forth for the four filter devices. It is also possible to couple the filter devices in parallel.
  • the water pressure line 7 extends to a first connection 23 on a cleaning unit 2 (fig. 7).
  • the first connection 23 has an inlet opening to a drive 4 for cleaning brushes 3.
  • the drive is a water turbine where the turbine wheel within the drive housing receives the pressurized water at the periphery of the wheel and delivers spent water at the center of the wheel where a central exit pipe extends via a pipe bend to a water outlet 9.
  • Water outlet 9 is preferably directed to face opposite to the desired path to be followed by the cleaning unit.
  • the pipe bend and the pipe section extending between the bend and water outlet 9 may be mounted onto the exit pipe from the drive housing in a swiveling manner so that the pipe section can be easily turned with the water outlet facing in the opposite direction, as is illu- strated in broken lines in Fig. 7.
  • the cleaning unit 2 has an inner space between the outer side viewed in Fig. 7 and the inner side viewed in Fig. 8. Within this inner space a toothed drive wheel is mounted on the drive shaft of the turbine wheel and is engaging toothed intermediate wheels which engage with toothed drive wheels on central shafts for cleaning brushes 3.
  • a drive belt may be used to drive all cleaning brushes from a pulley mounted on the drive shaft of the turbine wheel, or a drive may be mounted on each brush shaft, and in the latter case with more than one drive the inlet to each drive may be connected to water pressure line 7 via a manifold.
  • Suction openings 26 on the inner side of the cleaning unit 2 are connected to water suction line 5 via pipes 25, which extend from the individual suction opening 26 to a second connection 24 for water suction line 5.
  • the second connection 24 is common to all suction openings. In the illustrated embodiment there are four suction openings and the second connection 24 is located to one side of the cleaning unit. There can alternatively be two or three suction openings, or more than four suction openings, such as five or six suction openings, and the pipes 25 can be arranged in other manners.
  • the pipe section with the second connection can for example be located at the middle of the cleaning unit.
  • the cleaning unit 2 may have a protruding skirt along its periphery so that the skirt forms a cup-shaped volume around cleaning brushes 3.
  • the cleaning unit is on its outer side provided with handles 22.
  • the handles may be fixed structures, or they may be flexible structures like pieces of rope, according to what the divers prefer.
  • the cleaning unit may on its inner side have distance members, such as supports with wheels.
  • the distance members can maintain a distance to the hull surface so that there is a certain free space between the hull and the free end of the skirt.
  • the skirt can have protruding portions along its free end, which protruding portions act as distance members.
  • Another alternative is to provide the skirt with side openings through which water can be drawn into the cup-shaped volume around the cleaning brushes.
  • the cleaning unit 2 can be stored in the container, and typically two cleaning units are stored. When the cleaning unit is to be used, it is moved out to a buoy 20 located next to the side of the ship to be cleaned.
  • the water pressure line 7 is connected to the first connection 23 and the water suction line 5 is connected to the second connection 24 on the cleaning unit.
  • the cleaning unit may be connected to buoy 20 via a wire having a length sufficient to allow the cleaning unit to follow the cleaning path on the hull.
  • centrifugal pump 6 When the unit is in position at the hull surface centrifugal pump 6 is engaged and water is drawn in through suction openings 26 and via water suction line 5 to the pump 6, which delivers the pressurized water via filter devices 8 and water pressure line 7 to the drive 4 for the cleaning brushes.
  • the water jet leaving drive 4 via water outlet 9 propels the cleaning unit in the direction of the cleaning path along the ship hull.
  • Additional buoys 20 may be provided at the ends of the buoyant bodies where they act as fenders against the hull of the ship.
  • a wheel journalled about a vertical axis can be mounted at the side portion of the buoyant body intended to face the side of the ship to be cleaned.
  • several such wheels are mounted on the side portion. The wheels can abut the side of the hull and roll along the hull surface as the cleaning system is moved along the hull.
  • the container has a compressor for providing divers with air via umbilical 19, and other types of diver equipment may be present in the container, such as pressure bottles 17 for scuba diving or pressure ves- sels for special air blends, like helium.
  • Communication equipment 18 allows contact with the divers from the control desk in the container.
  • the communication equipment may include recording equipment, such as video recording.
  • the comm unication equipment may include a laptop computer. Shelves 21 for stores may hold additional diving equipment.
  • Fouling material scraped off from the filter parts leaves filter devices 8 from a bottom outlet.
  • the fouling material may be collected in bags at the filter devices and carried out of the container, or it may be conveyed in piping or chutes from the filter devices to a storage site outside the container.
  • the storage site is in the buoyant bodies 11.
  • the storage site is a separate container located on top of buoyant body 11 or a separate container floating next to buoyant body 11.
  • water suction line 5 is provided with an additional suction opening with a control valve, which may partially or fully open or close the additional suction opening.
  • the additional suction opening may be opened in case the cleaning unit has a need for consuming a higher flow rate of pressurized water from the water pressure line than the flow rate of water from the suction openings 26.
  • the additional suction opening can be located below the water surface at any appropri- ate location. It is also possible to provide pipes 25 leading to the second connection 24 with an additional opening controlled by a control valve. This additional opening may be facing away from the hull, when the cleaning unit is in operation, and the control valve may have a control handle operable by a diver.
  • the skirt may have side openings that can be opened or blocked according to need.
  • the water pressure line is downstream of the filter devices provided with a waste gate that may be opened in case the cleaning unit has a need for consuming a lower flow rate of pressurized water from the water pressure line than the flow rate of water from the suction openings 26.
  • the hull cleaning system has in one of the buoyant bodies an engine driving a water pump.
  • One or both of the bouyant bodies have submerged nozzles for ejecting pressurized water delivered by the water pump.
  • the individual nozzle When the hull cleaning system is in the operational condition floating in the water, then the individual nozzle is in submerged position with an outflow opening directed mainly in horizontal direction so that ejected pressurized water produces a water jet that may propel the system.
  • the individual nozzle may be able to turn about a vertical axis in order to control the direction of the water jet, and in that case one or two nozzles may be sufficient for propelling the system.
  • the nozzles are fixedly mounted in bodies 11 and directed in different directions, and the supply of water to the nozzles is then controlled so that only nozzles pointing away from the desired direction of movement is supplied with water.
  • An preferred embodiment has 8 nozzles located with two nozzles at each of the four outermost corners of the bodies 11. The two nozzles at the individual corner have outflow openings directed about 90° apart.
  • One of the openings can e.g. be flush with the short side wall of the body 11 and the other of the openings can e.g. be flush with the long side wall of the body 11.
  • the nozzles are via pressure lines connectable to the pressurized water supply from the water pump.
  • the pressure lines are provided with control valves, and these valves are operable from a control position within container 10.
  • the underwater cleaning unit 2 has circumferentially extending a hollow structure 31 providing buoyancy to the cleaning unit.
  • the hollow structure comprises a closed pipe running along the entire periphery.
  • the pipe is preferably of a plastic material having a density of about 0.98 (980 kg/m 3 ), but other densities higher than 1 are also possible.
  • the volume of the hollow structure is dimensioned so that the cleaning unit as a whole has a little negative buoyancy, preferably at about 2 kg.
  • the hollow structure 31 is provided with four wheels 32 as illustrated in Fig. 10. In operation the wheels can abut the surface being cleaned.
  • the suction pipes 25 end in suctions openings 26 located between hollow structure 31 and the plate body carrying the brushes.
  • the cleaning brushes 3 are mounted on their drive shaft with a possibility of moving in the axial direction of the shaft.
  • the rotational movement of the brushes on the side of the hull causes a lower pressure just in front of the brush so that the brush is sucked towards the side of the hull.
  • the floating mounting of the brushes on the drive shafts with the possibility for individual axial movement of the brushes causes the brushes to automatically adapt to curvatures in the ship hull being cleaned. Details from the above-mentioned embodiments may be combined into new embodiments within the scope of the patent claims, and the details may be varied within the scope of the patent claims. It is as an example possible to use a cleaning unit having only one or two cleaning brushes, or four or five or more cleaning brushes.
  • the water suction line may be divided into several parallel suction lines, and/or the water pressure line may be divided into several parallel water pressure lines. It is also possible to simultaneously use two or more cleaning units supplied by the centrifugal pump and the filter devices via separate suction and pressure lines, the suction lines being united in a manifold upstream of the centrifugal pump, and the pressure lines being divided into individual lines in a manifold downstream of the filter devices.
  • the cleaning unit can be driven in the cleaning direction by other means than the water outlet from the drive, such as by being pulled, or by being driven by wheels.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Cleaning In General (AREA)

Abstract

Système de nettoyage de coque (1) destiné à retirer les salissures d'un bateau, comprenant une unité de nettoyage sous-marine (2) équipée de brosses de nettoyage (3) entraînées par au moins une commande rotative (4). Une conduite d'aspiration d'eau (5) connecte l'unité de nettoyage à une pompe centrifuge (6), et la ligne de pression hydraulique (7) sortant de la pompe passe à travers au moins un dispositif de filtrage (8) et parvient à la commande (4) des brosses. Une conduite de sortie d'eau (9) sortant du moteur (4) déplace l'unité de nettoyage le long de la coque. Les salissures ainsi enlevées sont transportées via la conduite d'aspiration d'eau et la pompe vers le dispositif de filtrage (8).
EP12817394.5A 2011-07-27 2012-07-27 Système de nettoyage de coque de bateau pour l'enlèvement des salissures Withdrawn EP2736799A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DKPA201170408A DK177265B1 (en) 2011-07-27 2011-07-27 A hull cleaning system for removing fouling from a ship
PCT/DK2012/050281 WO2013013679A1 (fr) 2011-07-27 2012-07-27 Système de nettoyage de coque de bateau pour l'enlèvement des salissures

Publications (2)

Publication Number Publication Date
EP2736799A1 true EP2736799A1 (fr) 2014-06-04
EP2736799A4 EP2736799A4 (fr) 2015-01-14

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP12817394.5A Withdrawn EP2736799A4 (fr) 2011-07-27 2012-07-27 Système de nettoyage de coque de bateau pour l'enlèvement des salissures

Country Status (3)

Country Link
EP (1) EP2736799A4 (fr)
DK (1) DK177265B1 (fr)
WO (1) WO2013013679A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2018219041B2 (en) * 2017-02-08 2021-01-21 Koral Patent AS Apparatus for removal and collection of fouling from a dived structure and a method for using the apparatus
CN114162279B (zh) * 2021-10-28 2023-12-19 福建省微柏工业机器人有限公司 一种基于机器视觉的船舶清洗方法及装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0275605A1 (fr) * 1986-12-23 1988-07-27 Van der Tak, Josephus Antonius Marie Machine de brossage
US5048445A (en) * 1989-09-08 1991-09-17 Cavi-Tech, Inc. Fluid jet system and method for underwater maintenance of ship performance
US5725761A (en) * 1997-02-24 1998-03-10 Phillips; Harold L. Modular filter / circulation system and traveling main drain for in-ground swimming pools
US6090219A (en) * 1997-05-06 2000-07-18 Henkin; Melvyn L. Positive pressure automatic swimming poor cleaning system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0275605A1 (fr) * 1986-12-23 1988-07-27 Van der Tak, Josephus Antonius Marie Machine de brossage
US5048445A (en) * 1989-09-08 1991-09-17 Cavi-Tech, Inc. Fluid jet system and method for underwater maintenance of ship performance
US5725761A (en) * 1997-02-24 1998-03-10 Phillips; Harold L. Modular filter / circulation system and traveling main drain for in-ground swimming pools
US6090219A (en) * 1997-05-06 2000-07-18 Henkin; Melvyn L. Positive pressure automatic swimming poor cleaning system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2013013679A1 *

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WO2013013679A1 (fr) 2013-01-31
EP2736799A4 (fr) 2015-01-14
DK201170408A (en) 2011-08-19
DK177265B1 (en) 2012-09-10

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