WO2003018167A2 - Dispositif et procede permettant d'enlever du petrole flottant a la derive - Google Patents

Dispositif et procede permettant d'enlever du petrole flottant a la derive Download PDF

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Publication number
WO2003018167A2
WO2003018167A2 PCT/EP2002/008772 EP0208772W WO03018167A2 WO 2003018167 A2 WO2003018167 A2 WO 2003018167A2 EP 0208772 W EP0208772 W EP 0208772W WO 03018167 A2 WO03018167 A2 WO 03018167A2
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WO
WIPO (PCT)
Prior art keywords
oil
elements
water
conveying
carrier
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.)
Ceased
Application number
PCT/EP2002/008772
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German (de)
English (en)
Other versions
WO2003018167A3 (fr
Inventor
Otto Daude
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.)
Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to AU2002325935A priority Critical patent/AU2002325935A1/en
Publication of WO2003018167A2 publication Critical patent/WO2003018167A2/fr
Publication of WO2003018167A3 publication Critical patent/WO2003018167A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B15/00—Cleaning or keeping clear the surface of open water; Apparatus therefor
    • E02B15/04—Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials
    • E02B15/10—Devices for removing the material from the surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
    • B01D17/02—Separation of non-miscible liquids
    • B01D17/0202—Separation of non-miscible liquids by ab- or adsorption
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
    • B01D17/02—Separation of non-miscible liquids
    • B01D17/0208—Separation of non-miscible liquids by sedimentation
    • B01D17/0214—Separation of non-miscible liquids by sedimentation with removal of one of the phases
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/68—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water
    • C02F1/681—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water by addition of solid materials for removing an oily layer on water
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B15/00—Cleaning or keeping clear the surface of open water; Apparatus therefor
    • E02B15/04—Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials
    • E02B15/045—Separating means for recovering oil floating on a surface of open water
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use
    • Y02A20/20—Controlling water pollution; Waste water treatment
    • Y02A20/204—Keeping clear the surface of open water from oil spills

Definitions

  • the present invention relates to an apparatus and a method for removing oil floating in water, in particular crude oil.
  • the invention is therefore based on the object or the technical problem of creating a suitable device and a suitable method which, in particular on the open sea and under the action of the wind, make it possible to effectively remove large amounts of oil floating in water from the water.
  • This device for removing oil floating in water comprises: an oil delivery device with at least one elongated, flexible, floatable support element with at least one oil delivery element which has an oil delivery direction that extends essentially parallel to the longitudinal direction of the support element / and at least a floating oil collecting device, which is arranged in the region of the carrier element and cooperates with the oil-conveying element.
  • the device according to the invention makes it possible in a comparatively simple, effective and inexpensive way to remove even large amounts of oil floating in water, for example oil rugs, from the water. Due to its flexible construction, the device according to the invention adapts perfectly to the contour of a moving water surface. As will be explained in more detail below, the mode of operation of the device according to the invention is even positively supported under the influence of wind.
  • the device according to the invention can be anchored both stationary, that is to say, for example, in a flowing body of water, in tidal waters, in a bay or in front of a beach, or also mobile, that is to say, for example, between two ships which are towing the device or holding it in position, or one Mixed form can be used using a ship as well as anchoring on land.
  • the device according to the invention can thus be used both on inland waters and on the open sea. It can be used, for example, to protect oyster beds, salmon farms, beaches in the area of ocean currents with heavy shipping traffic, etc.
  • the device according to the invention works very effectively and can be flexibly adapted to a wide variety of circumstances and oil spill or accident situations.
  • This method for removing floating oil in water comprises the steps of, 'not mandatory manner in the order given:
  • the application of the device in the lee of the oil surface floating on the water is not limited in the sense of the invention to the fact that for each application and in the lexical sense there must be a wind that defines a leeward side, i.e. one side facing away from the wind.
  • the device can of course also be used when there is no wind, for example when one or more ships are towing the device with its substantial longitudinal extent transversely towards and into or around an oil slick, that is to say to artificially produce a leeward effect.
  • Lee has the meaning of the downstream side. Even if the device according to the invention is arranged relatively free of movement in or on a stationary oil slick, it can still have a considerable effect.
  • the method according to the invention has essentially the same advantage as the device according to the invention.
  • FIG. 1 is a schematic perspective view of an essential portion of a device according to the invention.
  • FIG. 2 shows a schematic perspective view of an essential partial area of an oil delivery device of the device according to the invention from FIG. 1;
  • FIG. 3 shows a schematic cross-sectional view through a single oil-conveying element of the device according to the invention from FIGS. 1 and 2 in a first operating state;
  • FIGS. 1 and 2 shows a schematic cross-sectional view through a single oil-conveying element of the device according to the invention from FIGS. 1 and 2 in a second operating state;
  • FIG. 5 shows a schematic perspective view of a device according to the invention towed by two ships, to illustrate the method according to the invention
  • FIG. 6 shows a schematic perspective view of an accommodation and delivery device for the device according to the invention, which is mounted on a ship;
  • FIG. 7a shows a schematic partial view of a further embodiment of an oil delivery element
  • FIG. 7b shows a further alternative embodiment of the oil delivery element shown in FIG. 7a;
  • Fig. 8 is a schematic representation of the temporal
  • FIGS. 7a and 7b shows a schematic perspective illustration of an oil delivery element according to a further embodiment of the invention.
  • FIG. 1 shows a schematic perspective view of an essential partial area of a device according to the invention for removing oil floating in water.
  • the oil is an oil slick 2 originating from a leaked oil tanker and floating on the open sea under the influence of wind.
  • the device comprises an oil delivery device 4, which in the present example has a plurality of elongated, flexible, floatable support elements 6.
  • Each carrier element 6 is designed as a hollow body suitable for receiving and transporting a force transmission medium.
  • the water on which the oil damage has occurred is preferably used as the power transmission medium.
  • the carrier elements 6 are designed as stable, flexible tubular bodies.
  • the pressure generating device here: a feed pump
  • the pressure generating device can, for example, be installed on board a ship, on a pontoon or even on land.
  • At least one separate supply line 8 can be used.
  • a supply line 8 for example, a correspondingly dimensioned hose (pressure hose) is conceivable, which is arranged, for example, in the middle of a strand of adjacent support elements 6, as indicated schematically in FIG. 1.
  • the supply line 8 can assume a pressure storage function depending on the dimensions and strength (in particular tensile and tear strength).
  • the central supply line 8 is connected to respective oil delivery elements 10 of the oil delivery device 4 via suitable branches. If only the supply line 8 is used, it may not be necessary to supply the force transmission medium via the carrier elements 6.
  • the carrier elements 6 could then be designed as pure elements transmitting a tensile force, such as steel cables or hawser.
  • the buoyancy can be ensured via separate buoyancy bodies or the like.
  • the spacers 12 have a uniform length. In principle, however, spacers 12 of different lengths can also be used.
  • the device is also equipped with elongated tension elements 14, for example cables or ropes, which run essentially parallel to the tubular support elements 6.
  • tension elements 14 are each located laterally through the support elements 6 formed strand arranged.
  • the tension elements 14 are also connected to the spacers 12.
  • the end regions of the tension elements 14 are also provided with connecting means (not shown in the figures, for example couplings, shackles or the like), with the aid of which a secure and preferably releasable connection can be established with a towing device of a towing vehicle (ie here: a ship).
  • the tension elements 14 absorb the tensile forces acting when towing or also when anchoring the device and during its operation.
  • the central pressure supply line 8 can form the backbone of the system in the mat structure.
  • the length of the mat structure 16 is preferably greater than its width.
  • Several matt structures 16 can be modularly connected to each other '.
  • the support elements 6, the tension elements 14 and a possibly existing supply line 8 are expediently equipped with suitable coupling elements (bayonet lock or the like).
  • each is the same
  • Carrier elements 6 with a variety of
  • Oil delivery elements 10 equipped. Each oil-conveying element 10 has one that extends essentially parallel to the longitudinal direction of the associated carrier element 6
  • each carrier element is indicated by arrows R.
  • each carrier element is indicated by arrows R.
  • the device according to the invention further comprises a floatable oil collecting device 18 which interacts with the oil delivery elements 10 of the carrier elements 6.
  • the oil collecting device 18 is equipped with a buoyant, sack-like oil collecting container 20 which has an oil receiving opening 22 (sack opening or inflow opening) and on the side, i.e. is arranged in the empty area, next to the central section M of the mat structure 16 formed by the carrier elements 6.
  • the oil receiving opening 22 points transversely to the longitudinal direction of the carrier elements 6 after windward.
  • the oil collecting container 20 can also have a correspondingly designed chamber which enables the separation of water and oil.
  • the chamber can be attached to the underside of the oil reservoir 20 (water is heavier than oil).
  • the flexible container walls 24 are spanned by a plurality of hollow, ring-shaped or elliptical ribs 26, brackets or rings. This ensures that the inflow opening 22 is kept open. Furthermore, due to its flexible container walls 24 and the ribs 26, the oil collecting container 20 can be folded up like an accordion and stowed in the smallest space. In addition, due to this design, the oil collecting container 20 can be optimally adapted to a wide variety of loads generated by waves. The shape of the oil collecting container 20 supported by the ribs 26 in connection with a suitable displacement also ensures that a part of the oil receiving opening 22 lies above the water surface or is held there, as can be clearly seen in FIG. 1.
  • the sack-like oil collecting container 20 is connected via a suitable coupling device to an oil suction device 28, with the aid of which the oil 2 collecting in the container 20 can be sucked off.
  • FIG. 2 shows a schematic perspective view of an essential partial area of the oil delivery device 4 of the device according to the invention from FIG. 1.
  • the respective oil-conveying elements 10 of an elongated carrier element 6 comprise an oil-driving element 30 which can be moved back and forth in a direction running essentially parallel to the longitudinal direction of the carrier element 6, as in FIG. 2 Double arrows indicated.
  • the oil-entraining element 30 has a relief-like surface structure 32.
  • this relief-like surface structure 32 is formed by a plurality of sawtooth elements, each of which has a tooth flank that is steep or concave in the direction of transport and an inclined or convex tooth flank opposite to the conveying direction R.
  • FIGS. 3 and 4 shows a schematic cross-sectional view by a single oil delivery element 10 in a first operating state (delivery stroke), and FIG. 4 shows a schematic cross-sectional view through a single oil delivery element 10 in a second operating state (reset stroke).
  • the oil delivery element 10 comprises a cylindrical, tubular base body 34, the two ends of which each form a connecting piece 36, with which the oil delivery element 10 as a complete unit at an initial and an end section of a respective section of the elongated tubular support element 6 can be connected.
  • the force transmission medium (here: water) guided by the carrier element 6 can thus be passed through the tubular base body 34 to the next carrier element section and a next oil-conveying element 10.
  • the carrier element sections, as it were, interposed between the respective oil-conveying elements 10 in this embodiment further guarantee the necessary flexibility of the entire construction.
  • a compact and stable design is achieved, which is particularly important in rough operation at sea, where high demands are placed on the load capacity, operability and operational safety to be guaranteed when removing and reinstalling the device according to the invention.
  • the design described facilitates the removal or replacement of a respective oil-conveying element 10 or a section of the carrier element 6 for maintenance purposes or the like. In addition, less expensive production can be realized.
  • a block element 38 adjoins the tubular base body 34 of the oil delivery element 10 radially outward.
  • This block element 38 essentially comprises a feed line 40 for the pressure medium communicating with the hollow interior of the tubular base body 34, a controllable reusable Valve 42, an actuating cylinder with a cylinder working space 44, a piston 46, a piston rod 48 and a return spring 52 arranged in a spring accommodation space 50, corresponding bearings and an outlet channel 54 which passes through the reusable valve 42 with the feed line 40 and over a relief bore 56 communicates with the spring housing space 50.
  • the outlet channel 54 has an outlet opening 58 which points in the conveying direction R of the oil-conveying element 10.
  • the reusable valve 42 works according to a type of flip / flop principle and controls the desired pressure application or pressure relief of the corresponding piston side.
  • the reusable valves 42 of the device according to the invention are preferably interconnected synchronously; they can be addressed jointly or individually via a valve control system.
  • the oil driver element 30 already mentioned above is arranged on the outside of the block element 38 and is preferably connected to the block element 38 by means of a round or dovetail guide (not shown for reasons of clarity).
  • the oil driver element 30 is coupled to the working cylinder via the piston rod 48 and can be moved back and forth in a direction which will be explained in more detail below in a direction which runs essentially parallel to the longitudinal direction of the carrier element 6, as in FIGS. 3 and 4 Double arrows indicated.
  • the reusable valve 42 is in the switching position shown in FIG. 3.
  • the outlet channel 54 is through the Reusable valve 42 blocked to supply line 40.
  • pressurized water enters the cavity of the carrier element 6 and via this into the connecting piece 36 and the cylindrical, tubular base body 34, into the feed line 40 and via the reusable valve 42 into the working space 44 of the actuating cylinder.
  • This causes the piston 46 to be displaced against the restoring force of the restoring spring 52 attached to the other side of the piston 46.
  • the pressure setting and the construction of the oil-conveying element 10 are selected such that a relatively slow, uniform displacement of the piston 46 takes place during operation. Any water located in the spring accommodation space 50 can flow out via the relief bore 56 and the outlet opening 58.
  • oil 2 which surrounds or adheres to or adheres to the oil-carrying element 30, is carried along with the aid of the relief-like surface structure 32 and is conveyed essentially parallel to the longitudinal direction of the carrier element 6.
  • All oil delivery devices 4 of the device according to the invention expediently execute the delivery stroke synchronously.
  • the reusable valve 42 switches almost without delay from the position shown in FIG. 3 to the position shown in FIG. 4. Thereby the supply line 40 to the tubular base body 34 is shut off and the pressure supply is interrupted. At the same time, the working space 44 of the actuating cylinder is connected to the outlet channel 54 via the upper part of the feed line 40 and the piston 46 is suddenly relieved on the pressure side. The spring force of the return spring 52 now pushes the piston 46 back to the left into the starting position. The return movement of the piston 46 and thus also the return movement of the oil driver element 30 is achieved with the aid of the reusable valve 42 which controls the working pressure via the relief bore 56 to the rear of the piston 46, ie into the spring accommodation space 50.
  • the water in the working space 44 is inevitably pushed out through the outlet channel 54 and the outlet opening 58, which acts as a nozzle.
  • the water pressed out emerges in the desired delivery direction R and consequently makes it possible to actively support the oil production with a directed jet pulse.
  • the reusable valve 42 in particular its valve diameter, the spring force of the return spring 52 and the passage cross-sections of the feed line 40, the outlet channel 54, the outlet opening 58 and the relief bore 56 are selected and coordinated with one another in such a way that a return movement which is relatively fast compared to the delivery stroke or there is an abrupt reset stroke.
  • the device according to the invention preferably comprises an accommodation device 60 which can be mounted on a ship or another suitable means of transport and in which the oil delivery device 4 or the entire mat structure 16 described above can be received in the form of a vertical fan.
  • This accommodation device 60 which here also serves as an application device for launching and resuming the mat structure 16, is shown schematically in FIG. 6.
  • the accommodation / delivery device 60 comprises a plurality of brackets 66 which, like in an accordion or in a leporello, are arranged one behind the other in the longitudinal direction of the ship. They carry the mat structure 16 suspended above them.
  • the brackets 66 are each movably mounted on their foot region via rollers or the like in a rail system 68, which allows both the swiveling or folding down of the brackets 66 and a longitudinal displacement thereof, on the one hand in a standing position Position of the bracket 66 up to a rear-hinged position and on the other hand in a folded position of the bracket 66 in a bracket storage position.
  • the stirrups In the stirrup storage position, the stirrups can be arranged both horizontally and vertically. Horizontal storage would be very space-saving, particularly in the case of brackets which taper in a trapezoidal shape.
  • To bring out the mat structure 16 one bracket 66 after the other is folded out over the rear and thus the mat structure is simply placed on the water surface.
  • a separate accommodation device is preferably provided for the oil collecting device 20.
  • the device according to the invention which has the elongated mat structure 16 explained above, is brought to water from a ship 62, hereinafter referred to as the mother ship 62.
  • the mat structure 16 is brought to the water separately from the oil collecting container 20 by means of the bow-shaped accommodation and dispensing device 60 arranged on the mother ship 62 and pulled out like a leporello.
  • the latter is preferably done with the aid of a second ship 64, hereinafter called daughter ship 64, which pulls the beginning of the mat structure 16 from the mother ship 62 and thus brings the required length of the mat structure 16 between itself and the mother ship 62.
  • a plurality of mat structures 16 can be axially coupled together to achieve a greater longitudinal extent.
  • FIG. 5 shows a schematic perspective view of the device towed or bay-shaped stretched by the mother ship 62 and daughter ship 64.
  • the longitudinal extension of the mat structure 16 of the device runs essentially transversely to the wind direction and thus transversely to the driving direction of the Oil spill 2.
  • the wind direction is indicated in FIG. 5 by an arrow W.
  • the oil collecting container 20 is only coupled to the mat structure 16 after it has been brought into position.
  • the coupling position is located at the central section M of the mat structure or the bay formed by it (see also FIG. 1).
  • the oil collecting container 20 opens essentially automatically even with a slight flow.
  • a large edge section of the driving oil slick 2 now gets into and onto the net-like mat structure 16 and between its elongated, flexible carrier elements 6 by wind and sea, and is partially attached to the carrier elements 6 and the oil-conveying elements 10 attached to them.
  • the collected oil 2 is now sucked off by means of the oil suction device 28 and thus removed from the water.
  • the suction process additionally supports the driving in of the oil 2 into the oil receiving opening 22.
  • the entire oil collecting container 20 containing the oil 2 could also be removed from the water. However, this only makes sense at the end of salvage, at least for larger oil areas.
  • the net-like mat structure 16 of the device according to the invention can be taken up again by the mother ship 62, cleaned if necessary and stowed in the accommodation device 60. The same procedure is followed with the oil collecting container 20.
  • FIG. 7a shows a schematic partial view of a further embodiment of an oil driver element 80.
  • the oil driver element consists of the carrier element 6, of which only one wall is shown in the partial view according to FIG. 7a.
  • the carrier element receives its energy supply from the pressurized medium which is supplied to the carrier element 6 and which is normally water.
  • the oil-conveying element 80 is integrated in the carrier element 6 in that the carrier element 6 is made of a technical textile, in which membrane elements 72 are integrated.
  • the membrane elements 72 are designed such that they specifically assume an asymmetrical shape with regard to their expansion behavior when pressure is applied.
  • FIG. 7a schematic expansion curves of the membrane element with 72 ′, 72 ′′ and 72 ⁇ ′′ are shown in FIG. 7a in accordance with an increasing exposure to internal pressure in the carrier element 6.
  • the membrane 72 deforms under the application of internal pressure in the manner shown in FIG. 7a.
  • the membrane consists of two quasi-rigid sections of different lengths, which are connected via an expandable section.
  • a rigid element 74 which will be referred to as scale element 74 in the following, is attached.
  • the scale element 74 is rigidly attached to that portion of the membrane element 72 which, when subjected to internal pressure, deflects outward from its unloaded position.
  • the scale element 74 deflects when the membrane element 72 "stretches" in accordance with the positions 72 ′, 72 ′′ and 72 ′′ ′′ of the membrane element shown in FIG. 7a into the positions 74 ′, 74 ′′ and 74 ′′ 'positions shown.
  • the position of the scale element in an extreme angular position relative to the carrier element 6 shown in FIG. 7 with 74 ''' is only possible because the membrane element deforms strongly asymmetrically when subjected to internal pressure.
  • the scale element 74 is thus erected in a cycle of an internal pressure application from a rest position, not shown in FIG. 7a, parallel to the surface line of the carrier element 6 up to a maximum angle and returned again with the pressure reduction.
  • a rhythmic movement of the scale elements is created, which can be adjusted in accordance with the pressure profile in relation to the frequency and speed of raising, as well as returning and closing.
  • the scale elements 74 which are arranged as scales on the carrier element, produce an inflow of the oil / water mixture in the area that rises when erected by erecting between the scale elements 74 and the jacket of the support element 6 or the membrane element 72.
  • the membrane elements 72 with the scale elements 74 can either be arranged in a ring shape in the oil entrainment element 80 or else be introduced in a helix shape, so that an uninterrupted and, as it were, continuous conveying movement occurs over the circumference.
  • Fig. 7b shows a further embodiment of a scale element 74, which has an increased effectiveness compared to the embodiment of Fig. 7a.
  • lamella 84 are attached to the scale element 74 asymmetrically relative to the pivot 86 provided on each lamella 84 on the scale element:
  • the space between the scale edges 88 depending on the position of the lamella 84, for the oil / water mixture to flow through or not.
  • the slats 84 pivot in the direction of arrow d into the open position shown in FIG. 7b when the scale element 74 is moved into the open, spread-apart position as shown in FIG. 7a.
  • the oil / water mixture can flow through the scale element in the direction of the arrow R, while when the scale element 74 moves towards the carrier element 6, the lamellae are opposed by the flow pressure to that shown in FIG 7b pivot arrow direction d and close the cross-sections through which flow can flow in the area of scale element 74.
  • the whole mechanism is thus based on the wing structure of a bird, in which the flow resistance is likewise designed differently in the case of an upward and downward wing movement.
  • a flexible valve would also work, which opens by a corresponding design when inflowing during the opening process and closes again automatically when closing ,
  • FIG. 8 shows an example of the pressure curve over time when the oil delivery device 10 is operated according to the embodiment according to FIG. 7a or 7b.
  • ⁇ time sequence the carrier element 6 is subjected to pressure pulses 76, wherein pressurization and pressure reduction can be designed specifically with a view to maximizing the desired conveying performance.
  • the pressure build-up takes place faster than the pressure reduction, so that the opening / installation of the scale elements 74 takes place faster than the closing thereof.
  • This sequence of movements serves, together with the profiling of the scale elements 74, to increase the conveying capacity in the direction of the arrow R.
  • FIG. 9 shows a further embodiment of the invention using an oil-entraining element 70, which also receives its energy supply from the medium supplied to the carrier element 6 under pressure, normally water.
  • b takes place in the
  • Gears which are specifically formed in the surface structure, are introduced into the oil-entraining element 70 in a helical shape similar to a thread with a large pitch.
  • These passages 78 are suitable for conveying adhering oil during a relatively slow rotation in the direction of the arrows a shown.
  • the oil driver element 70 operated by first moving the oil driver element 70 through a relatively large angle of rotation in the direction of arrow b so that the oil is conveyed in the direction of arrow a.
  • the device according to the invention can rather also take embodiments other than those specifically described above.
  • the device can in particular have features that represent a combination of the respective individual features of the appended claims.
  • One or more oil collecting containers can also be arranged between two gates of the carrier element (s).
  • the respective oil delivery elements can also be attached coaxially to the elongated support element.
  • the oil-conveying element in question can be constructed from two or more shell-like elements which firmly enclose the elongated carrier element.
  • an oil delivery element can also comprise a jet nozzle, in particular a water jet nozzle or an air nozzle, the jet direction of which runs essentially parallel to the longitudinal direction of a respective carrier element. It is possible to activate the nozzles both continuously and rhythmically, and thus to transport the oil floating past or accumulating in the desired direction along the carrier elements and ultimately into the oil collecting container.
  • hose-like carrier elements in addition to the oil-conveying elements described, further elements connected to a central pressure supply or the elongate, hose-like carrier elements can be introduced into the structure, which, for example, by directing the water located between the carrier elements induce rhythmic pulsation in the form of a laminar flow to move parallel to the direction of delivery of the oil delivery elements and thus to support the intended transport of the oil or adhering or driving oil lumps.
  • unmanned floating bodies equipped with drive, control and actuation elements can also be used.
  • a remote-controlled floating body which controls on board the mother ship becomes.
  • two swimming robots could be used, which, equipped with suitable control devices and positioning systems (eg GPS), operate automatically and / or autonomously and control a given position, hold or change them according to specifications.
  • Oil / oil slick Oil delivery device Carrier element Central supply line
  • Oil conveying element Spacer tension elements Net-like mat structure
  • Oil collecting device
  • Bag-like oil collection container Oil intake opening / inflow opening Container wall of 20 ribs of 20 oil suction device
  • Oil driver element from 10 Relief-like surface structure from 30 Tubular base body from 10 connecting piece from 10 Block element from 10

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Structural Engineering (AREA)
  • Thermal Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Removal Of Floating Material (AREA)

Abstract

L'invention concerne un dispositif et un procédé permettant d'enlever du pétrole flottant à la dérive (2). Ledit dispositif comprend une installation de transport de pétrole (4, 10, 16) comportant au moins un élément porteur (6) allongé, flexible et flottant pourvu d'au moins un élément de transport de pétrole (10) lequel s'étend dans une direction de transport de pétrole (R) sensiblement parallèle à la direction longitudinale de l'élément porteur (6). Ce dispositif comprend en outre au moins une installation flottante de collecte de pétrole (20) disposée dans la zone de l'élément porteur (6) et coopérant avec l'élément de transport de pétrole (10) dont est pourvu l'élément porteur (6).
PCT/EP2002/008772 2001-08-09 2002-08-06 Dispositif et procede permettant d'enlever du petrole flottant a la derive Ceased WO2003018167A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2002325935A AU2002325935A1 (en) 2001-08-09 2002-08-06 Device and method for removing oil floating in water

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10139308.3 2001-08-09
DE10139308A DE10139308A1 (de) 2001-08-09 2001-08-09 Vorrichtung und Verfahren zum Entfernen von in Wasser treibendem Öl

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FR1288766A (fr) * 1961-01-31 1962-03-30 Procédé et dispositif pour éliminer des produits flottants en nappe sur des surfaces liquides
US3668118A (en) * 1970-07-06 1972-06-06 Oil Mop Intern Inc Oil mop and method of using same
GB1396397A (en) * 1971-07-17 1975-06-04 Ernst A Method for separating oily fluids from water
NO770862L (no) * 1977-03-10 1978-09-12 Nylands Verksted Anordning for oppsamling av olje e.l. paa vann
US4146482A (en) * 1978-02-22 1979-03-27 Yin-Lung Yang System for collecting oil
DE3043597C2 (de) * 1980-11-19 1984-07-12 Otto Dr.-Ing. 3406 Bovenden Daude Ölaufnahmegerät
DE3202815C2 (de) * 1982-01-29 1984-09-27 Wolfgang Dipl.-Phys. Dr.-Ing. 7500 Karlsruhe Issel Gerät zum Entfernen von auf einer Wasseroberfläche schwimmenden Flüssigkeiten
US5160432A (en) * 1991-05-03 1992-11-03 Peter Gattuso Oil containment boom and skimmer
US5143623A (en) * 1991-06-17 1992-09-01 Kroll Brian L Nutrient and particle removal: method and apparatus for treatment of existing lakes, ponds and water bodies

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DE10139308A1 (de) 2003-03-06
WO2003018167A3 (fr) 2004-02-05

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