EP0503137A1 - Système de décharge des matériaux dragués d'un navire de draguage et un guide pour un tuyau, de préférence integré dans un système de décharge - Google Patents

Système de décharge des matériaux dragués d'un navire de draguage et un guide pour un tuyau, de préférence integré dans un système de décharge Download PDF

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Publication number
EP0503137A1
EP0503137A1 EP19910117550 EP91117550A EP0503137A1 EP 0503137 A1 EP0503137 A1 EP 0503137A1 EP 19910117550 EP19910117550 EP 19910117550 EP 91117550 A EP91117550 A EP 91117550A EP 0503137 A1 EP0503137 A1 EP 0503137A1
Authority
EP
European Patent Office
Prior art keywords
line
trunk
extinguishing system
dredger
flushing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP19910117550
Other languages
German (de)
English (en)
Other versions
EP0503137B1 (fr
Inventor
Siegbert Dipl.-Ing. Sacklowski
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.)
Anton Muesing & Co KG GmbH
Original Assignee
Anton Muesing & Co KG GmbH
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 Anton Muesing & Co KG GmbH filed Critical Anton Muesing & Co KG GmbH
Publication of EP0503137A1 publication Critical patent/EP0503137A1/fr
Application granted granted Critical
Publication of EP0503137B1 publication Critical patent/EP0503137B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F7/00—Equipment for conveying or separating excavated material
    • E02F7/02—Conveying equipment mounted on a dredger
    • E02F7/023—Conveying equipment mounted on a dredger mounted on a floating dredger
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • B63B35/28—Barges or lighters
    • B63B35/30—Barges or lighters self-discharging
    • B63B35/303—Barges or lighters self-discharging discharging by suction, pressing or washing

Definitions

  • the invention relates to an extinguishing system for extinguishing the dredged material of an dredger, in particular a suction dredger, preferably a sand rinsing system for rinsing the sand dredged by a dredger through a land-side flushing line (culvert line), comprising an dredger with an dredged material space and a (dredged material) discharge line connected to it. a land-side flush line and at least one pump for pumping out the dredged material through the discharge line and the land-side flush line.
  • a suction dredger preferably a sand rinsing system for rinsing the sand dredged by a dredger through a land-side flushing line (culvert line), comprising an dredger with an dredged material space and a (dredged material) discharge line connected to it.
  • the invention further relates to a line routing with a line section guided thereon, in particular a pipe line section, preferably an extinguishing system of the aforementioned type.
  • Such an extinguishing process is carried out in particular if the dredged material of an dredger contains sand which is to be used for flushing sand, for example on the North Sea islands, in order to be removed from the islands by the sea To replace sand.
  • a flushing line or culvert line is laid from the island into the sea, up to 2 or 3 kilometers.
  • the free end of the flushing line is located at this distance from the island.
  • the dredged material of a suction dredger is to be introduced as washware, that is to say it is to be deleted. This has hitherto been accomplished by arranging the free end of the flushing line on or on a seacraft, for example a tug.
  • the dredger moored at this seacraft for extinguishing.
  • the discharge line of the dredger is then coupled to the flushing line and the dredged material is pumped out of the dredged material space of the dredger into the flushing line and from there to the island.
  • the invention is therefore based on the object of specifying an extinguishing system or a line routing of the type mentioned at the outset, which facilitates the extinguishing process of the dredger into a flushing line, in particular with regard to lower personnel expenditure.
  • an extinguishing system which is distinguished by a floating body on which the sea-side end of the flushing line is arranged, a transfer line which can be connected to the discharge line of the dredger, a device for moving, in particular spreading, the transfer line and by at least one element which enables (remote-controlled) positioning of the free end of the transfer line to the sea-side end of the flushing line arranged on the floating body.
  • the extinguishing process of the dredger is considerably simplified by the extinguishing system according to the invention.
  • personnel are saved and the personnel are far less at risk. This is achieved in that the deletion process can preferably be carried out largely by machine.
  • the free end of the flushing line is not held by a sea vehicle, but is arranged in the area of a floating body which is unmanned.
  • the dredger moored at this hull for extinguishing.
  • it has a transfer line which is connected to the discharge line of the dredged material space and which can be deployed in such a way that the free end of the transfer line is positioned to the free end of the flushing line, whereupon the dredged material space is passed through the discharge line and the transfer line can be deleted into the flushing line.
  • the transfer line is deployed from the dredger by the crew on the dredger.
  • a crew on the floating body is also not necessary for the extinguishing process, in particular no personnel have to change from the dredger to the floating body. It is only a positioning of the transfer line relative to the flushing line, so that there is an operative connection between the two lines, quasi remote-controlled, whereby a delivery of the dredged material from the transfer line into the flushing line is possible.
  • the transfer line is a flexible trunk, which in can be applied in a particularly simple and mobile manner and positioned relative to the flushing line.
  • a hoist is preferably provided to lower the free trunk end.
  • the introduction of the transfer line into the flushing line is favored by a sleeve-like widening of the free end of the flushing line, which is preferably designed as a funnel.
  • the transfer line or the trunk can have a taper in order to facilitate the insertion process of the transfer line into the flushing line.
  • the trunk end or the end of the transfer line has a radial flange, which also coincides with the end of the flushing line is preferably remote controlled, can be coupled.
  • coupling elements can be provided, which are designed as hydraulically actuable clamps and releasably clamp the radial flange of the transfer line to a radial collar of the flushing line end.
  • Another development of the invention provides that the free end of the discharge line of the dredger is arranged on the bow side than at midships.
  • the output line is therefore arranged as far away from the stern as possible, which makes the dredger more maneuverable when moored to the float.
  • the dispensing line is brought close to the flushing line when it is put on. Maneuvering is still possible very precisely with the stern area of the ship without the distance between the discharge line and the flushing line thereby changing significantly.
  • the required length of the transfer line can therefore be predetermined very precisely.
  • the floating body is preferably a pontoon.
  • This pontoon is preferably (circular) round in plan view, so that the dredger can put on the pontoon for deletion from any side.
  • the captain of the dredger can therefore choose the landing page that is most favorable for the respective ocean current, wind direction or tidal situation.
  • the pontoon can be extended on all sides or at least on different sides for the mooring process of the dredger.
  • the pontoon has at least one, preferably four, anchors with which it can be anchored to the bottom.
  • the anchor chains are preferably designed so that they can compensate for a tidal range of approximately 4 to 5 meters, and an additional reserve, for example for a storm surge, can also be planned.
  • the anchor chains are preferably passed through shafts, which can be hollow legs of the pontoon. The anchor chains emerging from the shafts at the bottom become more and more horizontal as the anchors are dropped at a certain distance from the float in order to achieve good anchoring.
  • the invention further relates to a line routing with a line section guided thereon, in particular a pipeline section, preferably a transfer line of an extinguishing system according to one of claims 1 to 17.
  • the line routing according to the invention preferably facilitates the extinguishing process of an excavator ship in that it is characterized in that a line routing section is designed as a cantilever arm.
  • the line routing section and the line section connected to it thus protrude so that the free end of this projecting line section can be or will be positioned precisely with respect to a next line.
  • the line section itself can also be designed with such a large wall that it itself is designed as a cantilever arm, without the need for complex line routing.
  • a cantilever arm can be used not only on board a ship, but also, for example, on a pier, a dock or the like.
  • the cantilever arm according to the invention can preferably be pivoted about a vertical axis with the associated line section, for which purpose the line section which can be pivoted with the cantilever arm is connected to a fixed line via a swivel joint.
  • the cantilever arm is designed as a crane arm that can be raised and lowered about a horizontal axis.
  • the assigned line section is preferably designed as a flexible trunk or hose.
  • an excavator ship of an extinguishing system described above can thus be provided according to the invention with a crane-like structure in which the trunk-like Transfer line is arranged on a crane arm.
  • a crane-like structure in which the trunk-like Transfer line is arranged on a crane arm.
  • a flexible proboscis which is to run in a vertical plane, for example in an arch, must above all be well supported on the side in order to prevent the proboscis from kinking, which could interrupt a flow through the proboscis.
  • the cantilever essentially consists of two spars which are spaced apart and parallel to one another, between which the flexible trunk is guided laterally.
  • further guide elements and stops for the proboscis can be provided.
  • a guide cage can be provided which supports the trunk on different sides.
  • Such a degree of freedom is desired for the trunk that the trunk can change its deflection despite support, that is to say, for example, the relative levels of the two trunk ends can change with respect to one another.
  • This is particularly important in the case of an extinguishing system of the type described at the outset, since as the extinguishing process progresses, the lighter dredger floats higher and higher and the fixed end of the proboscis also rises, while the free end of the proboscis should remain in the region of the free end of the flushing line the trunk must change its bend.
  • Another development of the invention provides a lifting device for raising and lowering the free trunk end.
  • This hoist preferably comprises a winch for a pulling element, for example a rope, which is attached to the free end of the trunk and is guided over the free end of the cantilever.
  • the trunk end which can preferably be raised and lowered, is in Tapered shape of a tubular cross-sectional taper.
  • this taper can be tapered towards its free end in order to facilitate insertion of the taper into a sleeve or into a pipe end.
  • a radial flange can be provided at the free end of the trunk, with which the free trunk end can be coupled to the end of a next line.
  • the crane arm as a line guide is preferably hydraulically movable.
  • FIG. 1 shows a side view of the main components of an extinguishing system for extinguishing a dredger 1.
  • the suction dredger 1 has received in its dredged material space 2 (cargo space) a mixture which essentially contains sand and water, which is to be extinguished in a flushing line 3 which is moved from a coast or an island with the free end shown in FIG. 1 into the sea is.
  • a flushing line 3 can thus be used to flush the dredged material of the suction dredger 1 on land, for example to replace the sand removal on an island.
  • the free end section of the flushing line 3 consists of a flexible corrugated hose 4 which is arranged on a floating pontoon 5.
  • the corrugated hose 4 is led up through a central shaft 6 of the pontoon up to the water surface 7.
  • the corrugated hose 4 that is to say the flushing line 3
  • this funnel 8 has a circumferential radial collar 9.
  • the pontoon 5 has four legs 10 which are hollow and extend approximately vertically into the water and connect the pontoon platform 11 to an underwater floating body 12 which is approximately toroidal.
  • the legs 10 are thus arranged parallel to the central shaft 6.
  • An anchor chain 13 of an anchor leads through each of the legs 10 and, because of the initially vertical positive guidance of the leg 10, only transitions into a horizontal course at a certain water depth.
  • the pontoon 5 is thus securely anchored with four anchors and holds the free end of the flushing line 3, the anchor chains 13 having such a course that they can be safely run over by the suction dredger 1.
  • the suction dredger 1 In order to deliver the dredged material from the dredged material space 2, the suction dredger 1 has a delivery line 15 (not shown in more detail).
  • a delivery line is connected to this delivery line 15 in an articulated, ie rotatable or pivotable manner, at least is partially designed as a flexible trunk 16.
  • the free end of the trunk 16 can be brought outboard with the aid of a line guide, for which purpose the line guide comprises, in particular, a crane arm 17 which can be pivoted about a vertical axis and raised and lowered about a horizontal axis, so that the line guide structure of the dredger 1 as a trunk crane (18) could be called.
  • a line guide comprises, in particular, a crane arm 17 which can be pivoted about a vertical axis and raised and lowered about a horizontal axis, so that the line guide structure of the dredger 1 as a trunk crane (18) could be called.
  • the trunk 16 is guided on the crane arm 17.
  • the crane arm 17 is essentially formed, that is, divided, from two bars 19 that run parallel to one another, so that the trunk 16 is guided with lateral support between these two bars 19.
  • additional U-shaped guide brackets 20 are arranged on the spars 19 of the crane arm 17, which also laterally support this arch of the trunk 16 and thus prevent the trunk 16 from kinking in this area.
  • the spars 19 are connected to one another at their free ends via a stop rod 21.
  • the crane arm 17 consisting of the spars 19 with the guide brackets 20 and the stop rod 21 thus forms a guide cage which guides and supports the flexible trunk 16 over a wide range.
  • the free tapered tubular end 22 of the trunk 16 is inserted deep into the funnel 8 of the flushing line 3 into the corrugated hose 4 and is thus positioned and is in operative connection with the flushing line 3, which ensures that the dredged material of the suction dredger 1 passes through the trunk 16 allowed in the flushing line 3.
  • the free end 22 of the trunk 16 has a radial flange 23 which bears against the radial collar 9 of the funnel 8 and is releasably clamped to the radial collar 9 via hydraulically actuated clamp elements 24.
  • the radial flange 23 of the trunk 16 is attached to a rope 25 which is guided over the free end of the crane arm 17 and extends to a winch 26. With the help of the winch 26, the free end 22 of the trunk 16 can thus be raised or lowered into the funnel 8.
  • the crane arm 17 can also be lowered or raised via the hydraulic cylinder 27, taking the trunk 16 as a whole.
  • the crane arm 17 is only pivoted when the trunk 16 is deployed, in which the projection of the crane arm 17 onto the horizontal has a length which corresponds to the distance between the discharge line 15 and the funnel 8, so that the free end 22 of the trunk 16 hovers as exactly as possible over the funnel 8.
  • FIG. 2 shows the detail designated II in FIG. 1 on an enlarged scale.
  • the free one in FIG End 22 of the trunk 16 can be seen again more precisely.
  • the tip of the free end 22 is conically shaped in order to further facilitate insertion of the free end 22 into the corrugated tube 4 and the associated positioning of the trunk 16.
  • FIG. 2 also shows the radial collar 9 of the funnel 8 and a clamp element 24 with a hydraulic cylinder 28 in more detail.
  • the pontoon 5 is circular, so that the dredger 1 can dock on the pontoon 5 from any side.
  • FIG. 3 it is indicated in FIG. 3 that four hollow legs 10 are present, into which anchor chains 13 lead from associated chain boxes 29.
  • FIG. 4 shows a schematic top view of the pontoon 5 with the suction dredger 1 attached to the pontoon 5.
  • fenders 14 are again indicated in this plan view.
  • the design of the crane arm 17 can be seen in the top view, in particular the split shape of the crane arm 17, which is formed from the two spars 19 which are connected to one another via the stop rod 21 at the free end of the crane arm.
  • the trunk 16 is guided between these two spars 19.
  • the crane arm 17 is shown in FIG. 4 once in the pivoted-out position, in which the trunk is deployed over the floating pontoon 5, and once in the pivoted-in position 17 ', in which it is parallel to the ship's longitudinal axis and points with its free end to the bow 30 of the ship.
  • Both the crane arm 17 and the trunk 16 can thus be pivoted about a vertical and about a horizontal axis, for which purpose the trunk 16 is articulated to the delivery line 15.
  • connection of the trunk 16 to the discharge line 15 is arranged on the bow side as amidships, so that the suction dredger 1 remains very maneuverable with its stern area when the suction dredger 1 is attached to the pontoon 5 already reached distance between this connection and the corrugated hose 4 by maneuvering, for example the equalization of currents or wind conditions changes.
  • FIG. 5 shows a schematic partial side view of the trunk crane 18.
  • the foot region of the crane is indicated in this figure, with the winch 26, the hydraulic cylinder 27 and a rotating and swiveling frame 31 of the trunk crane 18.
  • the loaded dredger 1 moves up to the floating pontoon 5 to clear its dredged material and bears with the bow area on any side of the floating pontoon 5, which is favorable for the prevailing water and wind conditions. It can easily drive over the anchor chains 13.
  • the crane arm 17 is first pivoted up slightly in the position denoted by 17 'in FIG. 4, to a position in which the projection of the length of the crane arm onto the horizontal increases the distance between the connection of the delivery line 15 corresponds to the mouth of the corrugated hose 4. Then the crane arm 17 is pivoted about a vertical axis about 90 ° until the end 22 of the Proboscis 16 oscillates as precisely as possible over the funnel 8.
  • the end 22 is lowered by means of the winch 26 and the rope 25.
  • the end 22 slides into the funnel 8 until it reaches into the corrugated tube 4 with its tip.
  • the end 22 is then positioned almost exactly coaxially with the corrugated hose 4.
  • the trunk 16 is then coupled to the funnel 8 by actuating the clamp elements 24. The erasure of the suction dredger 1 can begin.
  • the dredger 1 Due to the deletion process, the dredger 1 becomes increasingly lighter and floats more and more. The resulting difference in height between the board of the suction dredger 1 and the platform 11 of the pontoon 5 is easily compensated for because of the flexibility of the trunk 16.
  • the trunk 16 is constantly adequately supported by the crane arm 17 and the guide brackets 20.
  • the clamp elements 24 are released again.
  • the end 22 of the trunk 16 can be raised again using the winch 26.
  • the crane arm 17 is pivoted back into its position 17 'and lowered into its rest position.
  • the deletion process is then finished.
  • the suction dredger 1 can put down again from the pontoon 5 and start dredging again.
  • a plurality of suction dredger ships 1 can be staggered in operation, which can be deleted one after the other on the pontoon 5.
  • this pontoon can be brought into position with a sea vehicle. For example, it can be lowered onto the water with a crane and then anchored, the anchors being able to be brought to the predetermined drop positions one after the other by the seacraft.
  • the corrugated hose 4 can be connected to the pontoon 5.

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Transportation (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Ship Loading And Unloading (AREA)
EP19910117550 1991-03-14 1991-10-15 Système de décharge des matériaux dragués d'un navire de draguage et un guide pour un tuyau, de préférence integré dans un système de décharge Expired - Lifetime EP0503137B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4108161 1991-03-14
DE19914108161 DE4108161A1 (de) 1991-03-14 1991-03-14 Loeschsystem zum loeschen des baggergutes eines baggerschiffes und eine leitungsfuehrung, vorzugsweise als bestandteil eines loeschsystems

Publications (2)

Publication Number Publication Date
EP0503137A1 true EP0503137A1 (fr) 1992-09-16
EP0503137B1 EP0503137B1 (fr) 1997-01-02

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EP19910117550 Expired - Lifetime EP0503137B1 (fr) 1991-03-14 1991-10-15 Système de décharge des matériaux dragués d'un navire de draguage et un guide pour un tuyau, de préférence integré dans un système de décharge

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Country Link
EP (1) EP0503137B1 (fr)
DE (2) DE4108161A1 (fr)
DK (1) DK0503137T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL2011086C2 (en) * 2013-07-03 2015-01-06 Ihc Holland Ie Bv Vessel comprising a barge loading system.
WO2015093952A1 (fr) * 2013-12-20 2015-06-25 Ihc Holland Ie B.V. Dispositif d'accouplement de proue

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005052977A1 (de) * 2005-11-07 2007-05-16 Siemens Ag Schiff zur Trinkwassergewinnung

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR556484A (fr) * 1922-09-23 1923-07-21 Bretagne Atel Chantiers Perfectionnements au tuyautage de refoulement de déblais dans les appareils refouleurs
FR2184616A1 (fr) * 1972-05-17 1973-12-28 Faldi Giovanni
FR2367654A1 (fr) * 1976-10-15 1978-05-12 Emh Perfectionnements apportes aux sy
NL8203101A (nl) * 1982-08-04 1984-03-01 Ballast Nedam Groep Nv Werkwijze en inrichting voor het lossen van een baggervaartuig.

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US638145A (en) * 1899-10-14 1899-11-28 Arthur Grant Rose Method of disposing of dredgings.
GB190006859A (en) * 1900-04-11 1901-01-26 Leonardus Johannes Smit Improvements in and connected with Pipes for Conveying away Spoil from Dredgers.
US2818891A (en) * 1956-09-26 1958-01-07 Exxon Research Engineering Co Apparatus for supporting and manipulating flexible conduit connections
US3199553A (en) * 1959-11-19 1965-08-10 Parker Hannifin Corp Ship to ship refueling device
DE1550065B1 (de) * 1966-05-10 1970-10-15 Acf Ind Inc Einrichtung zur Steuerung der Be- und Entladung von entfernt von der Kueste an einer Boje od.dgl. anlegenden Tankschiffen
BE791892A (fr) * 1971-11-29 1973-03-16 Italiana Comp Appareil de chargement pour le transport d'un fluide entre un dispositif mobile et une canalisation fixe
GB1400767A (en) * 1972-07-18 1975-07-23 Shell Int Research Single buoy mooring system for fluid transfer for use at exposed locations
GB1547092A (en) * 1977-04-18 1979-06-06 Shell Int Research System for transferring hydrocarbons to a tanker
US4113283A (en) * 1977-04-26 1978-09-12 Youngstown Sheet And Tube Company Pipe coupler for various size flanges
JPS57118988A (en) * 1981-01-16 1982-07-24 Hitachi Zosen Corp Supporting apparatus for flexible tubes connected with floaters
US4408943A (en) * 1981-02-27 1983-10-11 Fmc Corporation Ship-to-ship fluid transfer system
FR2576577B1 (fr) * 1985-01-25 1987-06-26 Metalliques Entrepr Cie Fse Plate-forme semi-submersible de production petroliere, de stockage et de chargement en eau profonde

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR556484A (fr) * 1922-09-23 1923-07-21 Bretagne Atel Chantiers Perfectionnements au tuyautage de refoulement de déblais dans les appareils refouleurs
FR2184616A1 (fr) * 1972-05-17 1973-12-28 Faldi Giovanni
FR2367654A1 (fr) * 1976-10-15 1978-05-12 Emh Perfectionnements apportes aux sy
NL8203101A (nl) * 1982-08-04 1984-03-01 Ballast Nedam Groep Nv Werkwijze en inrichting voor het lossen van een baggervaartuig.

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL2011086C2 (en) * 2013-07-03 2015-01-06 Ihc Holland Ie Bv Vessel comprising a barge loading system.
WO2015002534A1 (fr) * 2013-07-03 2015-01-08 Ihc Holland Ie B.V. Navire comportant un système de chargement de barges
WO2015093952A1 (fr) * 2013-12-20 2015-06-25 Ihc Holland Ie B.V. Dispositif d'accouplement de proue
NL2012002C2 (en) * 2013-12-20 2015-06-26 Ihc Holland Ie Bv Bow coupling device.

Also Published As

Publication number Publication date
DK0503137T3 (da) 1997-06-16
EP0503137B1 (fr) 1997-01-02
DE59108455D1 (de) 1997-02-13
DE4108161A1 (de) 1992-09-17

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