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EP1324944B1 - System for transferring a fluid product between a carrying vessel and a shore installation - Google Patents

System for transferring a fluid product between a carrying vessel and a shore installation Download PDF

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Publication number
EP1324944B1
EP1324944B1 EP01972146A EP01972146A EP1324944B1 EP 1324944 B1 EP1324944 B1 EP 1324944B1 EP 01972146 A EP01972146 A EP 01972146A EP 01972146 A EP01972146 A EP 01972146A EP 1324944 B1 EP1324944 B1 EP 1324944B1
Authority
EP
European Patent Office
Prior art keywords
transfer
connection
conduit
module
flexible
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.)
Expired - Lifetime
Application number
EP01972146A
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German (de)
French (fr)
Other versions
EP1324944A1 (en
Inventor
Bernard Dupont
Stéphane PAQUET
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.)
Europeenne dIngenierie Mecanique SA EURODIM
Original Assignee
Europeenne dIngenierie Mecanique SA EURODIM
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Publication date
Application filed by Europeenne dIngenierie Mecanique SA EURODIM filed Critical Europeenne dIngenierie Mecanique SA EURODIM
Priority to EP06013027A priority Critical patent/EP1710206B1/en
Publication of EP1324944A1 publication Critical patent/EP1324944A1/en
Application granted granted Critical
Publication of EP1324944B1 publication Critical patent/EP1324944B1/en
Anticipated expiration legal-status Critical
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D9/00—Apparatus or devices for transferring liquids when loading or unloading ships

Definitions

  • the invention relates to a system for transferring a fluid product, especially liquefied natural gas, of the type described in the preamble of claim 1.
  • connection device is permanently mounted on the ship and has, for this purpose, a specific and complex structure, which makes the system is incompatible with standard ships that are equipped with a simple manifold.
  • the invention aims to overcome this disadvantage.
  • the system for transferring a fluid product has the features that are set forth in the characterizing part of claim 1.
  • the invention will be described hereinafter in its application to the transfer of a liquefied natural gas.
  • the invention can be used for any other fluid product, such as liquids, pulverulent products and gases of any other nature.
  • FIG. 2 shows a transfer system 1 according to the present invention.
  • This transfer system can dispense with a piping support boom 6 of the traditional transfer station according to FIG. 1.
  • the transfer of the product in the present example of the liquefied natural gas referred to above, after LNG, is provided by the submerged cryogenic lines indicated at 8 in the example shown.
  • the transfer system 1 is shown inserted within a traditional mooring architecture 4, it should be noted that this mooring architecture could be simplified for reasons which will appear later in the detailed description of the position. following transfer.
  • a transfer system 1 constituting the interface between a ship 9 and the fixed treatment and storage system of which only the submerged transport lines 8 are shown, essentially comprises two platforms 10, 10 'of support of a storage / handling gantry 11 of one or more transfer arrangements 13 of the fluid product and a main platform 15 accommodating all the equipment to which are connected the submerged cryogenic lines 8 and which are necessary for connection to the transfer arrangements 13. These equipment will not be described in more detail because they are not necessary for the understanding of the invention.
  • a transfer arrangement 13 essentially comprises at least one connection module 17 intended to be connected by one end to a manifold 18 of the ship and, associated with each module, a flexible transfer pipe 19 advantageously in the form of a cryogenic hose as developed, for example by the company Coflexip Stena Offshore.
  • the transfer hoses 19 are fixed permanently at one end to a gantry 20 resting on the main platform 15, while the other free end 22 is connectable to the connector 23 located at the other end of the module 17.
  • connection module 17 is suspended from the crane 25 and movable between a storage position on the gantry 11, and a transfer position in which the module bears on the manifold platform 28 using a clean support device 30 and is connected by its connector 16 to the manifold flange 18.
  • each cryogenic hose 19 is suspended by a cable 31 to a winch 26 of the gantry 11 and is movable between a storage position shown in particular in Figure 5A and in which it is disconnected from the module 17 and its transfer position in which it is connected to the connector 23 of the module 17, as clearly shown in Figure 5E.
  • FIGS. 6 to 8 the structure of a first embodiment of a transfer arrangement 13 according to the invention will now be described in more detail.
  • connection module 17 of this arrangement comprises, between its connector 16 for attaching the module to the manifold flange 18 of the ship and the support or support device 30 on the manifold platform 28 of the ship, a cardan bellows 33 which isolates the manifold flange of the forces of the hose when the latter is connected to the manifold and resting on the platform manifold.
  • the adjustable support 30 is connected to the module by a horizontal axis articulation 34. Where appropriate, an additional articulation (not shown) will allow rotations along the axis of the manifold.
  • the support 30 comprises two adjustable support legs 30 which support a cross member 38 carrying the piping 32.
  • the module is provided with an adjustable foot 35 situated at the level of the support 30. cardan bellows 33 and intended to provide additional support including storage of the module.
  • the module 17 comprises, in its part located between the support device 30 and the connection connector 23 to the cryogenic hose 19, an emergency disconnection device 37 intended to ensure disconnection of the transfer link in a case of emergency.
  • This device is known per se and therefore does not need to be described in detail.
  • the device marketed by MIB International Limited under the name "Hydraulically Operated Double Valve with Emergency Release Systems for Service with LNG” could be used for this purpose. It is noted that the hose connection portion is inclined downwardly relative to the horizontal tubular portion bearing on the manifold platform 28.
  • connectors 16, 23 at both ends of the module 17 could be hydraulic connectors, for example of the type known under the name QCDC (Quick Connect / Disconnect Coupler) or be manual connectors.
  • QCDC Quadick Connect / Disconnect Coupler
  • connection module 17 further comprises a hooking flange 39 to the cable 40 of the crane 25, the attachment point 41 being located at the center of gravity of the module 17.
  • the module is furthermore equipped with a device 43 intended to guiding the end 22, configured as a nozzle, of the hose 19, when connected to the connector 23 of the module.
  • This device essentially comprises a member in the form of a guiding trumpet 44 which extends substantially parallel to the axis of the inclined portion of the module 17, on which the hose 19 will be connected and is supported by an element 45 integral with the Piping 32.
  • the device 43 further comprises a winch 47 provided on the bellows portion 33 and around which is wound a cable 48 whose free end is fed through the trumpet 44 by passing over a pulley 49 to be able to be fixed to a guide rod / centering 51, called pinoche, which is integral with the tip 22 of the cryogenic hose 19 and extends substantially parallel to the axis of this end.
  • the free end before 53 of this rod of centering is adapted to engage in the trumpet 44 when connecting the tip 22 of the hose module 17. To ensure a perfect centering of the tip relative to the connector 23 of the module, simply after fixing the end of the cable 48 at the front end 53 of the pinch, to wind this cable around the winch 47.
  • the pinch 51 has two diametrically opposite side wings 55 which are housed when the engagement of the pinoche 51 in the trumpet 44 in diametrically opposed lateral slots 56 provided in the flared front portion of the trumpet 44. The width of these slots decreases from the receiving end of the wings.
  • the nozzle 22 of the hose is hooked at 58, at the base of the pinch centering 51, to the cable 31 of the winch 26 of the gantry 11. It should also be noted that the movable nozzle 22 of the hose can be provided with a valve 61.
  • cryogenic hoses 19 are used in a natural chain whose fixed end is advantageously centered with respect to the excursions of the mobile end. It has been found that by choosing an appropriate length of hose, it is not necessary to use rotating joints or stiffeners at the ends. To prevent the hoses from being exposed to excessive mechanical stresses, their free ends 22 are always maintained, both in the storage state and during the connection process to the module 17 and during an emergency disconnection. . In the latter case, the winch 47 serves as a fall brake means of the free end of the hose just disconnected.
  • FIG. 5A shows the transfer members, namely the connection module 17 being handled and the hose 19 in the storage state, the module being suspended from the cable 40 of the crane 25 and the free end 22 of the hose to the winch 26 by the cable 31.
  • the module 17 is first lowered by means of the crane 25. When the module is at the height of the lower gateway of the gantry 11, it is possible to connect the cable 48 of the winch 27 to the front end of the pinch 51.
  • the module 17 is lowered again until it can be connected by connecting it 16 to the manifold flange 18 of the ship, the module being supported by the intermediate support device 30 on the platform 28 ( Figure 5B).
  • the free end 22 of the hose is then lowered by means of the winch 26.
  • FIG. 5E shows the hose in its position of connection to the module 17.
  • FIGS. 5F and 5G illustrate the process of an emergency disconnection after the opening of the emergency disconnection device 37.
  • the distance of the hose under the effect of the chain tension is slowed by the cable 48 wound around the winch without being completely attached thereto.
  • the end support free is provided by the cable 31 of the winch 26, in accordance with Figure 5G.
  • FIGS. 9 and 10 Another embodiment is shown in FIGS. 9 and 10, the particularity of which lies in the fact that the emergency disconnection function is integrated in the connector for fixing the end 22 of the hose 19.
  • This connector also is known per se, for example of the type known under the name "Coupler Integral Valve and Hose End Valve", marketed by the company MIB and designated by 64.
  • the centering device could be that provided in the first embodiment.
  • a centering device could be envisaged comprising two centering pins of the pinch type 51, arranged diametrically opposite in a horizontal plane and cooperating with two centering trumpets of the Trumpet type 44.
  • the attachment module would be equipped with two type 47 winches or a two-drum winch.
  • FIGS. 11 to 14 illustrate a third embodiment whose particularities lie in the fact that the connector provided for the connection between the connection module and the hose 19 as well as the emergency disconnection device are provided on the end of the flexible.
  • the connector and the disconnector respectively bear the references 65 and 66.
  • the structure of the connection module now designated by the number 67 is simplified.
  • This module 67 comprises a tubular transfer part which comprises a central sleeve 69 connected at one end to a cardan bellows 70 carrying a hydraulic or manual connector 71 for attachment to the manifold flange 18 of the ship and at its other end to a gimbal bellows 72 carrying a flange 74 for receiving the connector 65 of the hose.
  • the sleeve 69 is mounted via a vertical piece 75 and a horizontal piece 76 forming the centering trumpet to a support structure 77 by which the module bears on the manifold bridge 28 of the ship.
  • This structure 77 essentially comprises a ring 79 held between two console members 80 each of which is provided with a foot 81 intended to bear on the platform 28.
  • the trumpet 76 and the support structure 77 are connected to each other. the other by a horizontal axis of articulation 82.
  • On the module 67 is provided, as before, the winch 84 of the centering device of the end of the hose.
  • the attachment point 85 of the module is provided on the trumpet device 76.
  • the end or tip of the hose is bent and has a horizontal portion carrying the connector 65 and an inclined portion 86 located in the axial extension of the hose and which carries the emergency disconnector 66.
  • the pinch 51 extends parallel to the portion horizontal end at a distance equal to the distance between the axes of the trumpet 76 and the flange 74 of the module.
  • the fall brake winch indicated at 87 is mounted on the bend-side portion 86, while the free end 88-rated cable wrapped around the winch is attached to the flexible side portion 86.
  • the end of the hose is fixed at the elbow to the cable 31 of the winch 26 of the handling and storage gantry 11, via a fork 90 hinged substantially at the center of gravity of the two-legged tip fastening 91 secured to the flexible end end portion at diametrically opposed locations.
  • Fig. 15 shows a fourth embodiment of the transfer arrangement, in which the interconnection connector of the module and the hose as well as the emergency disconnector are provided on the hose side as in the third embodiment.
  • the particularity of the fourth embodiment lies in the fact that the module now holding the reference 95 is provided with a support device 96 which is designed as an arched cradle 97 supported by a foot 98 on the platform of manifold 28 of the vessel and through a cross 101 and a shoe 99 on the side of the ship 100.
  • This cradle 97 serves as a guide path on which the end of the hose is supported by several pads 103 when approaching the connection module.
  • three pads are shown, which are axially aligned on the hose. These pads ensure a permanent support of the hose during the transfer. Since it is mainly the ends of the hoses that are subjected to mechanical stresses, the solution proposed in the fourth embodiment is very advantageous.
  • FIG. 16 shows a fifth embodiment which has the particularity that the portion designated by the reference 105 which carries the connector 106 of the end of the hose is laterally offset relative to the axis of the hose 19 while extending substantially parallel to the axis of it.
  • the trumpet indicated at 107 and the pinoche 108 now extend in the axis of the hose.
  • FIG. 17 illustrates another possibility of implementing a transfer system not forming part of the invention, which has the particularity that the part of the connection arrangement according to the invention, which corresponds for example to FIG. 11 to the connection module, is now integrated with the end portion indicated at 110 of the manifold and that it is only the end piece 111 of the hose 19 which is displaceable while being suspended from the gantry 11.
  • the part 111 of the manifold manifold carries the centering device for fixing the nozzle 111 of the hose to the flange 112 of the manifold, namely the centering trumpet 113, the winch 114 and the return pulley 115 of the cable 116.
  • the configuration endpiece 111 rectilinear hose 19 comprises the connector 118, the emergency disconnector 119, the fall brake winch 120 and pinch 121.
  • Figures 19 to 22 finally illustrate another possibility of implementation which is not part of the invention, illustrated in Figure 17, wherein the end of the manifold also carries the indicated connector 122 for fixing the nozzle 123 of the hose on the manifold.
  • the centering device of the tip 123 when it is attached to the connector 122 has a specific configuration.
  • This device essentially comprises a trumpet 124, a pinch 127 associated with the nozzle 123 of the hose, two hydraulic cylinders 126 pivotally mounted at 128 at diametrically opposite positions on the pipe element indicated at 129, and the winch not shown in FIG. cable indicated at 131 in the state fixed on the end of the pinoche.
  • the tip 123 of the hose 19 carries two levers 133 which are mounted articulated, diametrically opposite on the endpiece 123 and in its center of gravity.
  • Each of the pivoting levers is associated with a hydraulic cylinder 126 to cooperate with it in the manner that will be described later.
  • the pinch is hingedly mounted on the two levers 133 via the crossbar 134.
  • Each hydraulic cylinder 126 is provided with a piston rod 136 axially movable in the outer pivotable tubular body 137.
  • the end of the rod 136 carries a fork 138 for gripping the end 139 of a lever 133 of the nozzle 123 of the hose.
  • Figures 23A to 23E show the different phases of the process of connecting the hose to the manifold.
  • the pinch 127 is drawn into the trumpet 124 until the two lateral wings 55 come to the bottom of their housing 56 in the flared front part of the trumpet 124 as seen on Figure 23B.
  • the ends are then in the catch area of the forks 138.
  • the output of the piston rods 136 is controlled until the forks 138 come into engagement with the ends 139 of the levers and cause them to pivot, which causes the tip of the hose of the connector hose to approach the end of the manifold, in accordance with FIGS. 23C and 23D, until the endpiece enters the zone of capture of the connector jaws, as one see it in Figure 23E.
  • FIGS. 24 and 25 are elevational views of another embodiment of the connection device, different from the embodiment according to FIG. 19 in that the trumpet 124 for receiving the pinch of the mobile element of the hose is now mounted on its support by a cardan 140.
  • Control cylinders 141 of the trumpet in its pivoting movement, allow the setting and maintaining nominal position of the trumpet when the pinch is in position in the trumpet.
  • inventions of this version of embodiment, in Figures 24 and 25 are distinguished only by the position of the gimbal relative to the trumpet and the arrangement of the cylinders.
  • the gimbal is at the end of the trumpet, which is opposite to that for receiving the pinch.
  • the cylinders are fixed by their body to the integral support of the manifold and by their end of their piston rod at a location between the two ends of the trumpet.
  • the gimbal is at a location between the two ends of the trumpet, preferably in its middle part, while the piston rods are attached to the trumpet at the opposite end to the one receiving the pinch.
  • Fig. 26 is an elevational view of yet another embodiment of the connection module, which is not part of the invention but is given for comparison.
  • This view is simplified to the extent that the guiding and centering device and the trumpet and its support are omitted.
  • This embodiment has the particularity that the module is fixed on the manifold platform 28 in its position of connection to the manifold flange 18 by clamping devices 142, 143 associated respectively with the adjustable support 30 and the adjustable foot 35.
  • clamping devices 142, 143 associated respectively with the adjustable support 30 and the adjustable foot 35.
  • the flexible element such as a bellows or pipe elements hinged together, indicated at 145 ensures a flexible connection between the connector 19 mounted on the manifold and the pipe element of the module.
  • FIGS. 27 to 30 illustrate yet another embodiment of a transfer system, which is not part of the invention but is given for comparison.
  • the module or connection device indicated at 150 is fixed permanently to the manifold 18 thus deporting the connector to which the hose must be attached to the edge of the ship.
  • the connection device is integrated in the manifold.
  • the integrated connection device is supported by a support member 155 on the manifold platform 28 at the edge of the ship.
  • the connector 157 for fixing the hose 19 is oriented downwards. In this embodiment it is the connector 157 which carries the pinch centering 158 whose axis extends parallel to the axis of the connector.
  • the tip 160 of the hose 19 is suspended by a cable 162 to a winch 163 located at the top of a support structure 164 located at a level above the ship and mounted on a platform 165.
  • Support structure may be made in any suitable known form.
  • the trumpet 167 of reception of this pinch is mounted on the tip 160 of the hose.
  • This tip also carries the winch indicated 169 on which is wound the cable 170 allowing, after being fixed to the pinch 158, the attachment of the tip 160 to the connection device 150, as seen in the figures. The cable then passes through the trumpet.
  • the emergency disconnector designated by the reference 172 is part of the tip 160 of the hose 19.
  • FIGS. 27 and 28 to establish a connection between the manifold 18 of the ship and the hose 19, the nozzle 160 of the hose is lowered by unrolling the cable 162, secures the cable 170 to pinoche 158 of the module 150 (Figure 27) and pulls the winch 169 the nozzle to the device of connection ( Figure 29) to obtain the engagement pinoche in the trumpet 167, which allows the attachment of the tip to the connection device ( Figure 28).
  • FIG. 29 shows that, as already described above, during an emergency disconnection, the hose 19 separates from the ship by opening the emergency disconnector 172 but is retained by the cable 162, the cable 170 after being unrolled from its winch 169 being on the tip portion remaining integral with the hose freely hanging pinoche 158. Since the connector 157 is at the edge of the ship, the hose, during its separation the ship is uncomfortable and can move under the effect of its weight without hitting the ship.
  • the transfer station uses cryogenic hoses. But they can be replaced by any other flexible element such as for example a series of rigid elements hinged together.
  • a feature of the invention that is common to all embodiments lies in the arrangement of the pinch centering. This provision is determined by the characteristics of the flexible, in particular according to the linear mass and stiffness in bending, and the mass of the tip, to minimize the stresses in the hose in all phases and optimize the entry of the pinch in the trumpet.
  • FIGS. 18A and 18B illustrate the characteristics of the arrangement of the pinch, namely the total length L between the tip of the pinch and the base of the tip, the distance e of the end of the pinch of the pin of the pin flexible and the angle ⁇ between the axis of the pinch and the axis of the connector.
  • the invention provides many major advantages. It should be noted first of all that the forces produced during the establishment of a fluid transfer connection during the transfer of the fluid and the disconnection of the transfer members are entirely taken up by the vessel, namely the manifold. , the structure of the manifold platform, the ship's plating, etc. Indeed, it is the ship that supports the mobile part and the deformable part of the transfer arrangement according to the invention.
  • the manifold flange is the geometric repository in all phases, connection, transfer, normal disconnection and emergency disconnection of the hose.
  • the module attached to the manifold flange on the one hand, and supported on the other hand on the platform or the plating of the ship can hoist by simple winching and maintain the movable end of the hose by limiting the shear forces and moments induced on the manifold flange.
  • the system allows relaxation of thermal stresses by constructive measures such as bellows and joints.
  • Module handling by crane or manipulator arm above manifold platform Is simple.
  • the hoses are supported and used in a chain, ideal configuration.
  • the movable end of the hose in an emergency disconnect case can be braked and the sensing elements can not fall into the water or hit anything.
  • the use of flexible transfer elements such as the cryogenic hose allows the transfer station to absorb even significant relative movements between the ship and the platforms.
  • the hose could have a length of the order of 50 m or more depending on these relative movements they must absorbed.
  • This results in considerable advantages the possibility of simplifying the structure of the mooring installation of the ship and to be able to provide the transfer station even in environments prohibited to the existing transfer stations.
  • the transfer members can be easily disassembled and transported, thereby eliminating booms with specific traffic lanes for lifting vehicles known transfer systems.
  • the fastening module carries the connector to which the hose must be attached to the side edge of the ship, which makes it possible, during an emergency disconnection, for the hose to separate from the ship without hitting it. this and without being damaged.
  • the hose, after separation, remains suspended by its cable connecting it to the support structure.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Loading And Unloading Of Fuel Tanks Or Ships (AREA)
  • Ship Loading And Unloading (AREA)
  • Catching Or Destruction (AREA)
  • Detergent Compositions (AREA)
  • Lubricants (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Manipulator (AREA)

Abstract

In the installation, a connection unit (17) is provided for the ship (9) manifold (18), and a flexible pipe (19) connects back to the plant. The connection unit and pipe are joined at their free ends, to make the transfer. At the free end, handling equipment (11, 26, 31) is provided for movement away from the connection position, into a separate storage location. Preferred Features: The arrangement includes emergency disconnection equipment for the transfer pipe, in the connection module. In the transfer arrangement, a winch brakes movement of the free end of the transfer pipe in the event of emergency disconnection. This is located on part of the arrangement remaining connected to the manifold on emergency disconnection. The cable is wound on the winch, with its free end fixed to the transfer pipe end. The cable is self-disconnecting. A guide for the free end (22) of the pipe, leads it into the receptacle end of the pipe on the connection unit (17). This comprises a guide peg entering a cone providing location as connection is approached. A winch is provided on the connection unit. The system is further detailed. The flexible pipe comprises a series of articulated sections and has catenary suspension. A portal structure forms part of the connection system. The connection unit is designed to carry away the connector, to which the flexible section must be fixed at shipboard level.

Description

L'invention concerne un système de transfert d'un produit fluide, notamment du gaz naturel liquéfié, du type décrit dans le préambule de la revendication 1.The invention relates to a system for transferring a fluid product, especially liquefied natural gas, of the type described in the preamble of claim 1.

Un système de ce type est connu par le document DE 30 26 836. Ce système connu présente l'inconvénient que le dispositif de connexion est monté à demeure sur le navire et présente, à cette fin, une structure spécifique et complexe, ce qui rend le système incompatible avec des navires standards qui sont équipés d'un simple manifold.A system of this type is known from DE 30 26 836. This known system has the disadvantage that the connection device is permanently mounted on the ship and has, for this purpose, a specific and complex structure, which makes the system is incompatible with standard ships that are equipped with a simple manifold.

L'invention a pour but de pallier cet inconvénient.The invention aims to overcome this disadvantage.

Pour atteindre ce but, le système de transfert d'un produit fluide, comporte les caractéristiques qui sont énoncées dans la partie caractérisante de la revendication 1.To achieve this goal, the system for transferring a fluid product has the features that are set forth in the characterizing part of claim 1.

D'autres caractéristiques de l'invention sont indiquées dans des revendications dépendantes.Other features of the invention are indicated in dependent claims.

L'invention sera mieux comprise, et d'autres buts, caractéristiques, détails et avantages de celle-ci apparaîtront plus clairement dans la description explicative qui va suivre faite en référence aux dessins schématiques annexés donnés uniquement à titre d'exemple illustrant plusieurs modes de réalisation et dans lesquels :

  • la figure 1 est une vue en perspective d'un poste de transfert traditionnel ;
  • la figure 2 est une vue en perspective d'un système de transfert selon la présente invention ;
  • la figure 3 est une vue en élévation d'un système de transfert selon l'invention du type représenté sur la figure 2 ;
  • la figure 4 est une vue de dessus du système de transfert selon la figure 3 ;
  • les figures 5A à 5G sont des vues partielles, en élévation, schématiques d'un système de transfert selon l'invention et illustrent les différentes phases du processus d'établissement et de séparation d'une liaison de transfert entre un navire et l'installation terrestre ;
  • la figure 6 est une vue à plus grande échelle d'un module de connexion selon l'invention et de l'extrémité libre d'un flexible du système de transfert selon l'invention, le flexible étant en cours de connexion au module;
  • la figure 7 est une vue similaire à la figure 6 mais montre un flexible dans sa position de connexion au module ;
  • la figure 8 est une vue en direction de la flèche VIII de la figure 7 du dispositif de support du module de connexion ;
  • la figure 9 est une vue en élévation, d'un deuxième mode de réalisation d'un module de connexion auquel est connectée l'extrémité d'un flexible cryogénique ;
  • la figure 10 est une vue de dessus, avec arrachement, en direction de la flèche X de la figure 9 ;
  • les figures 11 et 12 sont des vues en élévation d'un troisième mode de réalisation d'un module de connexion et de l'extrémité mobile d'un flexible, respectivement à l'état d'établissement d'une connexion et à l'état d'une connexion établie ;
  • la figure 13 est une vue en direction de la flèche XIII sur la figure 12, du dispositif de support du module de connexion ;
  • la figure 14 est une vue de détail en direction de la flèche XIV de la figure 11 ;
  • la figure 15 est une vue en élévation d'un quatrième mode de réalisation d'un module de connexion et d'une extrémité de flexible à l'état de connexion mutuelle ;
  • la figure 16 est une vue en élévation d'un cinquième mode de réalisation d'un module de connexion et d'une extrémité de flexible, montrée à l'état de connexion ;
  • la figure 17 est une vue en élévation d'un dispositif de connexion intégré au manifold et d'une extrémité de flexible, montrée à l'état de connexion et ne faisant pas partie de l'invention ;
  • les figures 18A et 18B sont des vues de détail, en élévation, d'une extrémité de flexible ;
  • la figure 19 est une vue en élévation d'un manifold de navire auquel est intégré un dispositif de connexion ;
  • la figure 20 est une vue de dessus simplifiée du manifold selon la figure 19, le dispositif de guidage et de centrage ayant été supprimés ;
  • la figure 21 est une vue en élévation d'une extrémité de flexible destinée à coopérer avec le dispositif de connexion intégré selon la figure 19 ;
  • la figure 22 est une vue de dessus de l'extrémité flexible selon la figure 21 ;
  • les figures 23A à 23E sont des vues en élévation illustrant différentes étapes du processus d'établissement d'une connexion entre le dispositif de connexion intégré selon la figure 19 et l'extrémité de flexible selon la figure 21.
  • les figures 24 et 25 sont des vues en élévation d'une autre version de réalisation intégré et au manifold;
  • la figure 26 est une vue en élévation, simplifiée d'encore un autre module de connexion ;
  • la figure 27 est une vue en élévation d'encore un autre système de transfert ;
  • la figure 28 illustre une étape du processus d'établissement d'une liaison de transfert du système selon la figure 27 ;
  • la figure 29 illustre une étape du processus de séparation d'urgence du système de transfert selon la figure 27 ; et
  • la figure 30 est une vue à plus grande échelle de la partie indiquée en XXX sur la figure 28.
The invention will be better understood, and other objects, characteristics, details and advantages thereof will appear more clearly in the following explanatory description made with reference to the accompanying schematic drawings given solely by way of example illustrating several modes of realization and in which:
  • Figure 1 is a perspective view of a conventional transfer station;
  • Figure 2 is a perspective view of a transfer system according to the present invention;
  • Figure 3 is an elevational view of a transfer system according to the invention of the type shown in Figure 2;
  • Figure 4 is a top view of the transfer system according to Figure 3;
  • FIGS. 5A to 5G are partial diagrammatic elevational views of a transfer system according to the invention and illustrate the different phases of the process of establishing and separating a transfer link between a ship and the installation. earthly ;
  • FIG. 6 is a view on a larger scale of a connection module according to the invention and of the free end of a flexible transfer system according to the invention, the hose being connected to the module;
  • Figure 7 is a view similar to Figure 6 but shows a hose in its position of connection to the module;
  • Figure 8 is a view in the direction of the arrow VIII of Figure 7 of the support device of the connection module;
  • Figure 9 is an elevational view of a second embodiment of a connection module to which is connected the end of a cryogenic hose;
  • Figure 10 is a top view, broken away, in the direction of the arrow X of Figure 9;
  • FIGS. 11 and 12 are elevational views of a third embodiment of a connection module and of the mobile end of a hose, respectively in the state of establishment of a connection and in the state of an established connection;
  • Figure 13 is a view in the direction of the arrow XIII in Figure 12, the support device of the connection module;
  • Figure 14 is a detail view in the direction of arrow XIV of Figure 11;
  • Fig. 15 is an elevational view of a fourth embodiment of a connection module and a hose end in the mutual connection state;
  • Fig. 16 is an elevational view of a fifth embodiment of a connection module and a hose end, shown in the connection state;
  • Figure 17 is an elevational view of a manifold integral connection device and a hose end, shown in the connection state and not part of the invention;
  • Figures 18A and 18B are detail views, in elevation, of a hose end;
  • Figure 19 is an elevational view of a ship manifold incorporating a connecting device;
  • Figure 20 is a simplified top view of the manifold according to Figure 19, the guiding and centering device having been removed;
  • Figure 21 is an elevational view of a hose end for cooperating with the integrated connection device according to Figure 19;
  • Figure 22 is a top view of the flexible end according to Figure 21;
  • Figs. 23A to 23E are elevational views illustrating various steps of the process of establishing a connection between the integrated connection device according to Fig. 19 and the hose end according to Fig. 21.
  • Figures 24 and 25 are elevational views of another integrated embodiment and the manifold;
  • Fig. 26 is an elevational view, simplified of still another connection module;
  • Fig. 27 is an elevational view of still another transfer system;
  • Figure 28 illustrates a step in the process of establishing a system transfer link according to Fig. 27;
  • Fig. 29 illustrates a step of the emergency separation process of the transfer system according to Fig. 27; and
  • Figure 30 is an enlarged view of the portion indicated at XXX in Figure 28.

L'invention sera décrite ci-après dans son application au transfert d'un gaz naturel liquéfié. Bien entendu l'invention est utilisable pour tout autre produit fluide, tel que des liquides, produits pulvérulents et gaz de tout autre nature.The invention will be described hereinafter in its application to the transfer of a liquefied natural gas. Naturally, the invention can be used for any other fluid product, such as liquids, pulverulent products and gases of any other nature.

La figure 2 montre un système de transfert 1 selon la présente invention.Figure 2 shows a transfer system 1 according to the present invention.

Ce système de transfert peut se passer d'une estacade 6 de support de tuyauterie du poste de transfert traditionnel selon la figure 1. Dans le cas de l'invention le transfert du produit, dans l'exemple présent du gaz naturel liquéfié appelé ci-après GNL, est assuré par les lignes cryogéniques immergées indiquées en 8 dans l'exemple représenté. Bien que le système de transfert 1 soit montré inséré au sein d'une architecture d'amarrage traditionnelle 4, il est à noter que cette architecture d'amarrage pourrait être simplifiée pour des raisons qui apparaîtront plus loin au cours de la description détaillée du poste de transfert qui suit.This transfer system can dispense with a piping support boom 6 of the traditional transfer station according to FIG. 1. In the case of the invention, the transfer of the product, in the present example of the liquefied natural gas referred to above, after LNG, is provided by the submerged cryogenic lines indicated at 8 in the example shown. Although the transfer system 1 is shown inserted within a traditional mooring architecture 4, it should be noted that this mooring architecture could be simplified for reasons which will appear later in the detailed description of the position. following transfer.

Comme il ressort des figures, un système de transfert 1 constituant l'interface entre un navire 9 et le système de traitement et de stockage fixe dont seulement les lignes de transport immergé 8 sont représentées, comporte essentiellement deux plates-formes 10, 10' de support d'un portique de stockage/manutention 11 d'un ou plusieurs agencements de transfert 13 du produit fluide et une plate-forme principale 15 accueillant l'ensemble des équipements auxquels sont connectées les lignes cryogéniques immergées 8 et qui sont nécessaires pour la connexion aux agencements de transfert 13. Ces équipements ne seront pas décrits plus en détail car ils ne sont pas nécessaires pour la compréhension de l'invention.As can be seen from the figures, a transfer system 1 constituting the interface between a ship 9 and the fixed treatment and storage system of which only the submerged transport lines 8 are shown, essentially comprises two platforms 10, 10 'of support of a storage / handling gantry 11 of one or more transfer arrangements 13 of the fluid product and a main platform 15 accommodating all the equipment to which are connected the submerged cryogenic lines 8 and which are necessary for connection to the transfer arrangements 13. These equipment will not be described in more detail because they are not necessary for the understanding of the invention.

Dans un système de transfert selon l'invention, adapté aux navires standard, un agencement de transfert 13 comporte essentiellement au moins un module de connexion 17 destiné à être connecté par une extrémité à un manifold 18 du navire et, associés à chaque module, une conduite de transfert souple 19 réalisée avantageusement sous forme de flexible cryogénique tel que développé, par exemple par la société Coflexip Stena Offshore. Les flexibles de transfert 19 sont fixés à demeure à une extrémité à un portique 20 reposant sur la plate-forme principale 15, tandis que l'autre extrémité libre 22 est connectable au connecteur 23 situé à l'autre extrémité du module 17.In a transfer system according to the invention, adapted to standard ships, a transfer arrangement 13 essentially comprises at least one connection module 17 intended to be connected by one end to a manifold 18 of the ship and, associated with each module, a flexible transfer pipe 19 advantageously in the form of a cryogenic hose as developed, for example by the company Coflexip Stena Offshore. The transfer hoses 19 are fixed permanently at one end to a gantry 20 resting on the main platform 15, while the other free end 22 is connectable to the connector 23 located at the other end of the module 17.

La fonction principale du portique 11 est de permettre la manutention et le stockage des organes de transfert, à savoir de chaque module de connexion 17 et des extrémités mobiles 22 des flexibles cryogéniques 19, à l'aide respectivement d'une grue 25 et de treuils 26. Comme le montre les figures, un module de connexion 17 est suspendu à la grue 25 et déplaçable entre une position de stockage sur le portique 11, et une position de transfert dans laquelle le module est en appui sur la plate-forme de manifold 28 à l'aide d'un dispositif de support propre 30 et est connecté par son connecteur 16 à la bride de manifold 18. L'extrémité libre 22 de chaque flexible cryogénique 19 est suspendue par un câble 31 à un treuil 26 du portique 11 et est déplaçable entre une position de stockage représentée notamment sur la figure 5A et dans laquelle elle est déconnectée du module 17 et sa position de transfert dans laquelle elle est connectée au connecteur 23 du module 17, comme le montre clairement la figure 5E.The main function of the gantry 11 is to allow the handling and storage of the transfer members, namely of each connection module 17 and the mobile ends 22 of the cryogenic hoses 19, using respectively a crane 25 and winches 26. As shown in the figures, a connection module 17 is suspended from the crane 25 and movable between a storage position on the gantry 11, and a transfer position in which the module bears on the manifold platform 28 using a clean support device 30 and is connected by its connector 16 to the manifold flange 18. The free end 22 of each cryogenic hose 19 is suspended by a cable 31 to a winch 26 of the gantry 11 and is movable between a storage position shown in particular in Figure 5A and in which it is disconnected from the module 17 and its transfer position in which it is connected to the connector 23 of the module 17, as clearly shown in Figure 5E.

En se référant aux figures 6 à 8, on décrira maintenant plus en détail la structure d'un premier mode de réalisation d'un agencement de transfert 13 selon l'invention.Referring to FIGS. 6 to 8, the structure of a first embodiment of a transfer arrangement 13 according to the invention will now be described in more detail.

Le module de connexion 17 de cet agencement comporte, entre son connecteur 16 de fixation du module à la bride de manifold 18 du navire et le dispositif 30 de support ou d'appui sur la plate-forme de manifold 28 du navire, un dispositif de soufflet cardan 33 qui rend isolé la bride de manifold des efforts du flexible lorsque ce dernier est connecté au manifold et en appui sur la plate-forme manifold. Le support réglable 30 est lié au module par une articulation d'axe horizontal 34. Le cas échéant, une articulation supplémentaire (non représentée) permettra des rotations suivant l'axe du manifold. Comme on le voit sur la figure 8, le support 30 comporte deux jambes d'appui 30 réglables qui supportent une traverse 38 porteuse de la tuyauterie 32. Supplémentairement au support 30, le module est pourvu d'un pied réglable 35 situé au niveau du soufflet cardan 33 et destiné à assurer un appui supplémentaire notamment pour le stockage du module.The connection module 17 of this arrangement comprises, between its connector 16 for attaching the module to the manifold flange 18 of the ship and the support or support device 30 on the manifold platform 28 of the ship, a cardan bellows 33 which isolates the manifold flange of the forces of the hose when the latter is connected to the manifold and resting on the platform manifold. The adjustable support 30 is connected to the module by a horizontal axis articulation 34. Where appropriate, an additional articulation (not shown) will allow rotations along the axis of the manifold. As can be seen in FIG. 8, the support 30 comprises two adjustable support legs 30 which support a cross member 38 carrying the piping 32. In addition to the support 30, the module is provided with an adjustable foot 35 situated at the level of the support 30. cardan bellows 33 and intended to provide additional support including storage of the module.

Le module 17 comporte, dans sa partie située entre le dispositif d'appui 30 et le connecteur 23 de raccord au flexible cryogénique 19, un dispositif de déconnexion d'urgence 37 destiné à assurer une déconnexion de la liaison de transfert dans un cas d'urgence. Ce dispositif est connu en soi et n'a donc pas besoin d'être décrit en détail. On pourrait utiliser à cette fin le dispositif commercialisé par la société MIB International Limited sous la dénomination « Hydraulically Operated Double Valve with Emergency Release Systems for Service with LNG ». On constate que la partie de connexion au flexible est inclinée vers le bas par rapport à la partie tubulaire horizontale en appui sur la plate-forme de manifold 28.The module 17 comprises, in its part located between the support device 30 and the connection connector 23 to the cryogenic hose 19, an emergency disconnection device 37 intended to ensure disconnection of the transfer link in a case of emergency. This device is known per se and therefore does not need to be described in detail. The device marketed by MIB International Limited under the name "Hydraulically Operated Double Valve with Emergency Release Systems for Service with LNG" could be used for this purpose. It is noted that the hose connection portion is inclined downwardly relative to the horizontal tubular portion bearing on the manifold platform 28.

Concernant les connecteurs 16, 23 aux deux extrémités du module 17, ils pourraient être des connecteurs hydrauliques, par exemple du type connu sous la dénomination QCDC (Quick Connect/Disconnect Coupler) ou être des connecteurs manuels.Regarding the connectors 16, 23 at both ends of the module 17, they could be hydraulic connectors, for example of the type known under the name QCDC (Quick Connect / Disconnect Coupler) or be manual connectors.

Le module de connexion 17 comprend en outre une bride d'accrochage 39 au câble 40 de la grue 25, le point d'accrochage 41 étant situé au centre de gravité du module 17. Le module est en outre équipé d'un dispositif 43 destiné au guidage de l'extrémité 22, configurée en embout, du flexible 19, lors de sa connexion au connecteur 23 du module. Ce dispositif comporte essentiellement un organe en forme d'une trompette de guidage 44 qui s'étend sensiblement parallèlement à l'axe de la partie inclinée du module 17, sur laquelle sera connecté le flexible 19 et est supporté par un élément 45 solidaire de la tuyauterie 32. Le dispositif 43 comporte en outre un treuil 47 prévu sur la partie de soufflet cardan 33 et autour duquel est enroulé un câble 48 dont l'extrémité libre est amenée à travers la trompette 44 en passant sur une poulie de renvoi 49 pour pouvoir être fixée à une tige de guidage/centrage 51, appelée pinoche, qui est solidaire de l'embout 22 du flexible cryogénique 19 et s'étend sensiblement parallèlement à l'axe de cette extrémité. L'extrémité libre avant 53 de cette tige de centrage est adaptée pour s'engager dans la trompette 44 lors d'une connexion de l'embout 22 du flexible au module 17. Pour assurer un centrage parfait de l'embout par rapport au connecteur 23 du module, il suffit, après avoir fixé l'extrémité du câble 48 à l'extrémité avant 53 de la pinoche, d'enrouler ce câble autour du treuil 47. On constate que la pinoche 51 présente deux ailes latérales, diamétralement opposées 55 qui se logent lors de l'engagement de la pinoche 51 dans la trompette 44 dans des fentes latérales diamétralement opposées 56 prévues dans la partie avant évasée de la trompette 44. La largeur de ces fentes diminuent à partir de l'extrémité de réception des ailes. L'embout 22 du flexible est accrochée en 58, au niveau de la base de la pinoche de centrage 51, au câble 31 du treuil 26 du portique 11. Il est encore à noter que l'embout mobile 22 du flexible peut être pourvue d'une vanne 61.The connection module 17 further comprises a hooking flange 39 to the cable 40 of the crane 25, the attachment point 41 being located at the center of gravity of the module 17. The module is furthermore equipped with a device 43 intended to guiding the end 22, configured as a nozzle, of the hose 19, when connected to the connector 23 of the module. This device essentially comprises a member in the form of a guiding trumpet 44 which extends substantially parallel to the axis of the inclined portion of the module 17, on which the hose 19 will be connected and is supported by an element 45 integral with the Piping 32. The device 43 further comprises a winch 47 provided on the bellows portion 33 and around which is wound a cable 48 whose free end is fed through the trumpet 44 by passing over a pulley 49 to be able to be fixed to a guide rod / centering 51, called pinoche, which is integral with the tip 22 of the cryogenic hose 19 and extends substantially parallel to the axis of this end. The free end before 53 of this rod of centering is adapted to engage in the trumpet 44 when connecting the tip 22 of the hose module 17. To ensure a perfect centering of the tip relative to the connector 23 of the module, simply after fixing the end of the cable 48 at the front end 53 of the pinch, to wind this cable around the winch 47. It is noted that the pinch 51 has two diametrically opposite side wings 55 which are housed when the engagement of the pinoche 51 in the trumpet 44 in diametrically opposed lateral slots 56 provided in the flared front portion of the trumpet 44. The width of these slots decreases from the receiving end of the wings. The nozzle 22 of the hose is hooked at 58, at the base of the pinch centering 51, to the cable 31 of the winch 26 of the gantry 11. It should also be noted that the movable nozzle 22 of the hose can be provided with a valve 61.

Concernant les flexibles cryogéniques 19, ils sont utilisés en chaînette naturelle dont l'extrémité fixe est avantageusement centrée par rapport aux excursions de l'extrémité mobile. Il s'est avéré qu'en choisissant une longueur de flexible appropriée, il n'est pas nécessaire d'utiliser des joints tournants ni des raidisseurs aux extrémités. Pour éviter que les flexibles puissent être exposés à des contraintes mécaniques excessives, leurs extrémités libres 22 sont toujours maintenues, aussi bien à l'état de stockage qu'au cours du processus de connexion au module 17 et lors d'une déconnexion d'urgence. Dans ce dernier cas, le treuil 47 sert de moyen de frein de chute de l'extrémité libre du flexible venant d'être déconnecté.As regards the cryogenic hoses 19, they are used in a natural chain whose fixed end is advantageously centered with respect to the excursions of the mobile end. It has been found that by choosing an appropriate length of hose, it is not necessary to use rotating joints or stiffeners at the ends. To prevent the hoses from being exposed to excessive mechanical stresses, their free ends 22 are always maintained, both in the storage state and during the connection process to the module 17 and during an emergency disconnection. . In the latter case, the winch 47 serves as a fall brake means of the free end of the hose just disconnected.

En se référant aux figures 5A à 5G, on décrira ci-après les processus d'établissement d'une liaison de transfert d'un produit fluide entre le navire et l'installation fixe et de la déconnexion dans un cas d'urgence.Referring to FIGS. 5A-5G, the following will describe the processes for establishing a binding of transfer of a fluid product between the ship and the fixed installation and disconnection in an emergency.

La figure 5A montre les organes de transfert, à savoir le module de connexion 17 en cours de manutention et le flexible 19 à l'état de stockage, le module étant suspendu au câble 40 de la grue 25 et l'extrémité libre 22 du flexible au treuil 26 par le câble 31. Pour établir une liaison de transfert, on abaisse tout d'abord le module 17 à l'aide de la grue 25. Lorsque le module se trouve à hauteur de la passerelle inférieure du portique 11, on peut connecter le câble 48 du treuil 27 à l'extrémité avant de la pinoche 51. On abaisse de nouveau le module 17 jusqu'à pouvoir le connecter par son connecter 16 à la bride de manifold 18 du navire, le module prenant appui par l'intermédiaire du dispositif de support 30 sur la plate-forme 28 (figure 5B) . On abaisse alors l'extrémité libre 22 du flexible à l'aide du treuil 26 Puis, on attire l'extrémité libre 22 vers le connecteur 23 du module à l'aide du treuil 47 prévu sur ce dernier et assure la fixation de l'extrémité du flexible sur le connecteur 23 par l'intermédiaire du dispositif de guidage/centrage par engagement de la pinoche 51 dans la trompette 44 du module. La figure 5E montre le flexible dans sa position de connexion au module 17.FIG. 5A shows the transfer members, namely the connection module 17 being handled and the hose 19 in the storage state, the module being suspended from the cable 40 of the crane 25 and the free end 22 of the hose to the winch 26 by the cable 31. To establish a transfer link, the module 17 is first lowered by means of the crane 25. When the module is at the height of the lower gateway of the gantry 11, it is possible to connect the cable 48 of the winch 27 to the front end of the pinch 51. The module 17 is lowered again until it can be connected by connecting it 16 to the manifold flange 18 of the ship, the module being supported by the intermediate support device 30 on the platform 28 (Figure 5B). The free end 22 of the hose is then lowered by means of the winch 26. Then, the free end 22 is drawn towards the connector 23 of the module by means of the winch 47 provided on the latter and ensures the attachment of the end of the hose on the connector 23 via the guiding / centering device by engaging pinoche 51 in the trumpet 44 of the module. FIG. 5E shows the hose in its position of connection to the module 17.

Les figures 5F et 5G illustrent le processus d'une déconnexion d'urgence après l'ouverture du dispositif de déconnexion d'urgence 37. Lors de son mouvement, l'éloignement du flexible sous l'effet de la tension de chainette est freiné par le câble 48 enroulé autour du treuil sans être complètement fixée à celui-ci. Après le déroulement complet du câble, le support de l'extrémité libre est assuré par le câble 31 du treuil 26, conformément à la figure 5G.FIGS. 5F and 5G illustrate the process of an emergency disconnection after the opening of the emergency disconnection device 37. During its movement, the distance of the hose under the effect of the chain tension is slowed by the cable 48 wound around the winch without being completely attached thereto. After the complete unwinding of the cable, the end support free is provided by the cable 31 of the winch 26, in accordance with Figure 5G.

La description de l'invention qui vient d'être faite en se référant aux figures 2 à 7 n'est pas limitative et de nombreuses modifications peuvent être apportées à l'ensemble décrit qui n'est à considérer que comme un premier mode de réalisation de l'invention.The description of the invention which has just been made with reference to FIGS. 2 to 7 is not limiting and numerous modifications can be made to the assembly described which is to be considered only as a first embodiment. of the invention.

En effet, un autre mode de réalisation est représenté sur les figures 9 et 10, dont la particularité réside dans le fait que la fonction de déconnexion d'urgence est intégré au connecteur de fixation de l'extrémité 22 du flexible 19. Ce connecteur aussi est connu en soi, par exemple du type connu sous la dénomination "Coupler Integral Valve and Hose End Valve", commercialisé par la société MIB et désigné par 64. Dans ce mode de réalisation, le dispositif de centrage pourrait être celui prévu dans le premier mode de réalisation. Mais on pourrait envisager, dans ce deuxième mode de réalisation comme d'ailleurs dans le premier, un dispositif de centrage comportant deux pinoches de centrage du type de la pinoche 51, disposées diamétralement opposée dans un plan horizontal et coopérant avec deux trompettes de centrage du type des trompettes 44. Dans ce cas, le module de fixation serait équipé de deux treuils du type 47 ou d'un treuil à deux tambours.Indeed, another embodiment is shown in FIGS. 9 and 10, the particularity of which lies in the fact that the emergency disconnection function is integrated in the connector for fixing the end 22 of the hose 19. This connector also is known per se, for example of the type known under the name "Coupler Integral Valve and Hose End Valve", marketed by the company MIB and designated by 64. In this embodiment, the centering device could be that provided in the first embodiment. However, in this second embodiment, as in the case of the first embodiment, a centering device could be envisaged comprising two centering pins of the pinch type 51, arranged diametrically opposite in a horizontal plane and cooperating with two centering trumpets of the Trumpet type 44. In this case, the attachment module would be equipped with two type 47 winches or a two-drum winch.

Les figures 11 à 14 illustrent un troisième mode de réalisation dont les particularités résident dans le fait que le connecteur prévu pour la connexion entre le module de connexion et le flexible 19 ainsi que le dispositif de déconnexion d'urgence sont prévus sur l'extrémité du flexible. Le connecteur et le dispositif de déconnexion portent respectivement les références 65 et 66. Comme le montre les figures, la structure du module de connexion désignée maintenant par le numéro 67 est simplifiée. Ce module 67 comporte une partie de transfert tubulaire qui comprend un manchon central 69 relié à une extrémité à un soufflet cardan 70 portant un connecteur hydraulique ou manuel 71 pour la fixation à la bride manifold 18 du navire et à son autre extrémité à un soufflet cardan 72 porteur d'une bride 74 pour la réception du connecteur 65 du flexible. Le manchon 69 est monté par l'intermédiaire d'une pièce verticale 75 et d'une pièce 76 horizontale formant la trompette de centrage à une structure de support 77 par laquelle le module prend appui sur le pont de manifold 28 du navire. Cette structure 77 comporte essentiellement un anneau 79 maintenu entre deux éléments de console 80 dont chacune est pourvue d'un pied 81 destiné à prendre appui sur la plate-forme 28. La trompette 76 et la structure de support 77 sont reliées l'une à l'autre par un axe d'articulation horizontal 82. Sur le module 67 est prévu, comme auparavant, le treuil 84 du dispositif de centrage de l'extrémité du flexible. Le point d'accrochage 85 du module est prévu sur le dispositif de trompette 76.FIGS. 11 to 14 illustrate a third embodiment whose particularities lie in the fact that the connector provided for the connection between the connection module and the hose 19 as well as the emergency disconnection device are provided on the end of the flexible. The connector and the disconnector respectively bear the references 65 and 66. As the shows the figures, the structure of the connection module now designated by the number 67 is simplified. This module 67 comprises a tubular transfer part which comprises a central sleeve 69 connected at one end to a cardan bellows 70 carrying a hydraulic or manual connector 71 for attachment to the manifold flange 18 of the ship and at its other end to a gimbal bellows 72 carrying a flange 74 for receiving the connector 65 of the hose. The sleeve 69 is mounted via a vertical piece 75 and a horizontal piece 76 forming the centering trumpet to a support structure 77 by which the module bears on the manifold bridge 28 of the ship. This structure 77 essentially comprises a ring 79 held between two console members 80 each of which is provided with a foot 81 intended to bear on the platform 28. The trumpet 76 and the support structure 77 are connected to each other. the other by a horizontal axis of articulation 82. On the module 67 is provided, as before, the winch 84 of the centering device of the end of the hose. The attachment point 85 of the module is provided on the trumpet device 76.

L'extrémité ou embout du flexible est coudée et comporte une partie horizontale portant le connecteur 65 et une partie 86 inclinée située dans le prolongement axial du flexible et qui porte le déconnecteur d'urgence 66. La pinoche 51 s'étend parallèlement à la partie horizontale de l'extrémité à une distance égale à l'écart entre les axes de la trompette 76 et de la bride 74 du module.The end or tip of the hose is bent and has a horizontal portion carrying the connector 65 and an inclined portion 86 located in the axial extension of the hose and which carries the emergency disconnector 66. The pinch 51 extends parallel to the portion horizontal end at a distance equal to the distance between the axes of the trumpet 76 and the flange 74 of the module.

Dans ce mode de réalisation, le treuil de frein de chute indiqué en 87 est monté sur la partie 86 côté coude, tandis que l'extrémité libre notée 88 du câble enroulé autour du treuil est fixée à la partie 86 côté flexible. L'extrémité du flexible est fixée au niveau du coude au câble 31 du treuil 26 du portique de manutention et de stockage 11, par l'intermédiaire d'une fourche 90 articulée sensiblement au niveau du centre de gravité de l'embout à deux pattes de fixation 91 solidaires de la partie d'extrémité côté flexible, à des endroits diamétralement opposés.In this embodiment, the fall brake winch indicated at 87 is mounted on the bend-side portion 86, while the free end 88-rated cable wrapped around the winch is attached to the flexible side portion 86. The end of the hose is fixed at the elbow to the cable 31 of the winch 26 of the handling and storage gantry 11, via a fork 90 hinged substantially at the center of gravity of the two-legged tip fastening 91 secured to the flexible end end portion at diametrically opposed locations.

Comme on le voit sur la figure 11, lors de l'établissement d'une connexion entre le module 67 et le connecteur 65 à l'extrémité du flexible 19, celui-ci est amené à passer à travers l'anneau 79 avant d'être fixé sur la bride 74 du module. Dans le cas d'une déconnexion d'urgence, c'est la portion du dispositif d'extrémité côté flexible qui se sépare de l'autre portion d'extrémité portant le treuil, qui est fixée sur le module. La chute de la portion séparée est freinée par le treuil 87. On constate que dans ce mode de réalisation, l'extrémité du flexible est en appui sur le support 77 via sa pinoche 51 et la trompette 76.As can be seen in FIG. 11, during the establishment of a connection between the module 67 and the connector 65 at the end of the hose 19, the latter is caused to pass through the ring 79 before be fixed on the flange 74 of the module. In the case of emergency disconnection, it is the portion of the flexible end end device that separates from the other end portion carrying the winch, which is fixed on the module. The fall of the separated portion is braked by the winch 87. It can be seen that in this embodiment, the end of the hose bears on the support 77 via its pinch 51 and the trumpet 76.

La figure 15 montre un quatrième mode de réalisation de l'agencement de transfert, dans lequel le connecteur d'interconnexion du module et du flexible ainsi que le déconnecteur d'urgence sont prévus du côté du flexible comme dans le troisième mode de réalisation. La particularité du quatrième mode de réalisation réside dans le fait que le module portant maintenant la référence 95 est pourvu d'un dispositif de support 96 qui est réalisé sous forme d'un berceau arqué 97 prenant appui par un pied 98 sur la plate forme de manifold 28 du navire et par l'intermédiaire d'une traverse 101 et d'un patin 99 sur le bordé du navire 100. Ce berceau 97 sert de chemin de guidage sur lequel l'extrémité du flexible prend appui par plusieurs patins 103 lors de son approche du module de connexion. Sur la figure 15, trois patins sont représentés, qui sont axialement alignés sur le flexible. Ces patins assurent un appui permanent du flexible pendant le transfert. Etant donné que ce sont principalement les extrémités des flexibles qui sont soumises aux contraintes mécaniques, la solution proposée dans le quatrième mode de réalisation est très avantageuse.Fig. 15 shows a fourth embodiment of the transfer arrangement, in which the interconnection connector of the module and the hose as well as the emergency disconnector are provided on the hose side as in the third embodiment. The particularity of the fourth embodiment lies in the fact that the module now holding the reference 95 is provided with a support device 96 which is designed as an arched cradle 97 supported by a foot 98 on the platform of manifold 28 of the vessel and through a cross 101 and a shoe 99 on the side of the ship 100. This cradle 97 serves as a guide path on which the end of the hose is supported by several pads 103 when approaching the connection module. In Figure 15, three pads are shown, which are axially aligned on the hose. These pads ensure a permanent support of the hose during the transfer. Since it is mainly the ends of the hoses that are subjected to mechanical stresses, the solution proposed in the fourth embodiment is very advantageous.

La figure 16 montre un cinquième mode de réalisation qui a pour particularité que la partie désignée par la référence 105 qui porte le connecteur 106 de l'extrémité du flexible est latéralement décalée par rapport à l'axe du flexible 19 tout en s'étendant sensiblement parallèlement à l'axe de celui-ci. Par contre la trompette indiquée en 107 et la pinoche 108 s'étendent maintenant dans l'axe du flexible.FIG. 16 shows a fifth embodiment which has the particularity that the portion designated by the reference 105 which carries the connector 106 of the end of the hose is laterally offset relative to the axis of the hose 19 while extending substantially parallel to the axis of it. On the other hand, the trumpet indicated at 107 and the pinoche 108 now extend in the axis of the hose.

La figure 17 illustre une autre possibilité de la mise en oeuvre d'un système de transfert ne faisant pas partie de l'invention, qui a pour particularité que la partie de l'agencement de connexion selon l'invention, qui correspond par exemple sur la figure 11 au module de connexion, est maintenant intégrée à la portion d'extrémité indiquée en 110 du manifold et que c'est seulement l'embout 111 du flexible 19 qui est déplaçable en étant suspendu au portique 11. Ainsi la partie 111 du manifold porte le dispositif de centrage pour la fixation de l'embout 111 du flexible à la bride 112 du manifold, à savoir la trompette de centrage 113, le treuil 114 et la poulie de renvoi 115 du câble 116. L'embout 111 de configuration rectiligne du flexible 19 comprend le connecteur 118, le déconnecteur d'urgence 119, le treuil de frein de chute 120 et la pinoche 121.FIG. 17 illustrates another possibility of implementing a transfer system not forming part of the invention, which has the particularity that the part of the connection arrangement according to the invention, which corresponds for example to FIG. 11 to the connection module, is now integrated with the end portion indicated at 110 of the manifold and that it is only the end piece 111 of the hose 19 which is displaceable while being suspended from the gantry 11. Thus the part 111 of the manifold manifold carries the centering device for fixing the nozzle 111 of the hose to the flange 112 of the manifold, namely the centering trumpet 113, the winch 114 and the return pulley 115 of the cable 116. The configuration endpiece 111 rectilinear hose 19 comprises the connector 118, the emergency disconnector 119, the fall brake winch 120 and pinch 121.

Les figures 19 à 22 enfin illustrent autre possibilité de mise en oeuvre qui ne fait pas non plus partie de l'invention, illustrée sur la figure 17, dans laquelle l'embout du manifold porte aussi le connecteur indiqué 122 pour la fixation de l'embout 123 du flexible sur le manifold. Le dispositif de centrage de l'embout 123 lors de sa fixation sur le connecteur 122 présente une configuration spécifique. Ce dispositif comporte essentiellement une trompette 124, une pinoche 127 associée à l'embout 123 du flexible, deux vérins hydrauliques 126 montés pivotants en 128 à des endroits diamétralement opposé sur l'élément de tuyauterie indiqué en 129, ainsi que le treuil non représenté du câble indiqué en 131 à l'état fixé sur l'extrémité de la pinoche. L'embout 123 du flexible 19 porte deux leviers 133 qui sont montés articulés, de façon diamétralement opposée sur l'embout 123 et en son centre de gravité. Chacun des leviers pivotants est associé à un vérin hydraulique 126 pour pouvoir coopérer avec celui-ci de la manière qui sera décrite plus loin. La pinoche est montée articulée sur les deux leviers 133 par l'intermédiaire de la traverse 134. Chaque vérin hydraulique 126 est pourvue d'une tige de piston 136 axialement mobile dans le corps tubulaire extérieure pivotant 137. L'extrémité de la tige 136 porte une fourche 138 de préhension de l'extrémité 139 d'un levier 133 de l'embout 123 du flexible.Figures 19 to 22 finally illustrate another possibility of implementation which is not part of the invention, illustrated in Figure 17, wherein the end of the manifold also carries the indicated connector 122 for fixing the nozzle 123 of the hose on the manifold. The centering device of the tip 123 when it is attached to the connector 122 has a specific configuration. This device essentially comprises a trumpet 124, a pinch 127 associated with the nozzle 123 of the hose, two hydraulic cylinders 126 pivotally mounted at 128 at diametrically opposite positions on the pipe element indicated at 129, and the winch not shown in FIG. cable indicated at 131 in the state fixed on the end of the pinoche. The tip 123 of the hose 19 carries two levers 133 which are mounted articulated, diametrically opposite on the endpiece 123 and in its center of gravity. Each of the pivoting levers is associated with a hydraulic cylinder 126 to cooperate with it in the manner that will be described later. The pinch is hingedly mounted on the two levers 133 via the crossbar 134. Each hydraulic cylinder 126 is provided with a piston rod 136 axially movable in the outer pivotable tubular body 137. The end of the rod 136 carries a fork 138 for gripping the end 139 of a lever 133 of the nozzle 123 of the hose.

Les figures 23A à 23E représentent les différentes phases du processus de la connexion du flexible au manifold. Dans une première phase représentée sur la figure 23A, la pinoche 127 est attirée dans la trompette 124 jusqu'à ce que les deux ailes latérales 55 viennent au fond de leur logement 56 dans la partie avant évasée de la trompette 124 comme on le voit sur la figure 23B. Les extrémités sont alors dans la zone de capture des fourches 138. Dans cette position on commande la sortie des tiges de piston 136 jusqu'à ce que les fourches 138 viennent en engagement avec les extrémités 139 des leviers et amènent ceux-ci à pivoter, ce qui provoque l'approchement de l'embout 123 du flexible du connecteur à l'extrémité du manifold, conformément aux figures 23C et 23D, jusqu'à ce que l'embout entre dans la zone de capture des mâchoires de connecteur, comme on le voit sur la figure 23E.Figures 23A to 23E show the different phases of the process of connecting the hose to the manifold. In a first phase shown in FIG. 23A, the pinch 127 is drawn into the trumpet 124 until the two lateral wings 55 come to the bottom of their housing 56 in the flared front part of the trumpet 124 as seen on Figure 23B. The ends are then in the catch area of the forks 138. In this position the output of the piston rods 136 is controlled until the forks 138 come into engagement with the ends 139 of the levers and cause them to pivot, which causes the tip of the hose of the connector hose to approach the end of the manifold, in accordance with FIGS. 23C and 23D, until the endpiece enters the zone of capture of the connector jaws, as one see it in Figure 23E.

Les figures 24 et 25 sont des vues en élévation d'une autre version de réalisation du dispositif de connexion, différent du mode de réalisation selon la figure 19 en ce que la trompette 124 de réception de la pinoche de l'élément mobile du flexible est maintenant montée sur son support par un cardan 140. Des vérins de commande 141 de la trompette, dans son mouvement de pivotement, permettent la mise et le maintien en position nominale de la trompette lorsque la pinoche est en position dans la trompette.FIGS. 24 and 25 are elevational views of another embodiment of the connection device, different from the embodiment according to FIG. 19 in that the trumpet 124 for receiving the pinch of the mobile element of the hose is now mounted on its support by a cardan 140. Control cylinders 141 of the trumpet, in its pivoting movement, allow the setting and maintaining nominal position of the trumpet when the pinch is in position in the trumpet.

Les modes d'exécution de cette version de réalisation, sur les figures 24 et 25 se distinguent seulement par la position du cardan par rapport à la trompette et de la disposition des vérins. Dans le cas de la figure 24, le cardan se trouve à l'extrémité de la trompette, qui est opposée à celle destinée à la réception de la pinoche. Les vérins sont fixés par leur corps au support solidaire du manifold et par leur extrémité de leur tige de piston à un emplacement entre les deux extrémités de la trompette. Dans le cas de la figure 25 le cardan se trouve à un endroit entre les deux extrémités de la trompette, avantageusement dans sa partie médiane, tandis que les tiges de piston sont fixées à la trompette au niveau de l'extrémité opposée à celle qui reçoit la pinoche.The embodiments of this version of embodiment, in Figures 24 and 25 are distinguished only by the position of the gimbal relative to the trumpet and the arrangement of the cylinders. In the case of Figure 24, the gimbal is at the end of the trumpet, which is opposite to that for receiving the pinch. The cylinders are fixed by their body to the integral support of the manifold and by their end of their piston rod at a location between the two ends of the trumpet. In the case of Figure 25 the gimbal is at a location between the two ends of the trumpet, preferably in its middle part, while the piston rods are attached to the trumpet at the opposite end to the one receiving the pinch.

Concernant les fonctionnements de la version de réalisation selon les figures 24 et 25, elle correspond aux phases représentées sur les figures 23A à 23E. Il est à noter que les vérins 141 entrent en action lorsque la connexion de la trompette et de la pinoche est faite, c'est-à-dire la pinoche est engagée à fond dans la trompette. Cette version de réalisation présente l'avantage de permettre à la trompette de bouger librement pendant la phase d'engagement de la pinoche.Regarding the operations of the embodiment according to Figures 24 and 25, it corresponds to the phases shown in Figures 23A to 23E. It should be noted that the cylinders 141 come into action when the connection of the trumpet and the pinch is made, that is to say the pinch is fully engaged in the trumpet. This version of embodiment has the advantage of allowing the trumpet to move freely during the engagement phase of the pinch.

La figure 26 est une vue en élévation d'encore un autre mode de réalisation du module de connexion, qui ne fait pas partie de l'invention mais est donné à titre de comparaison. Cette vue est simplifiée dans la mesure où le dispositif de guidage et de centrage et la trompette et son support sont omis. Ce mode de réalisation a pour particularité que le module est fixé sur la plateforme de manifold 28 dans sa position de connexion à la bride de manifold 18 par des dispositifs de serrage 142, 143 associés respectivement au support réglable 30 et au pied réglable 35. Ainsi, du fait que le module dans sa position de connexion est solidarisé de la plateforme de manifold, les efforts sont maintenant intégralement repris par cette plateforme. L'élément souple tel qu'un soufflet ou des éléments de tuyauterie articulés entre eux, indiqué en 145 assure une liaison souple entre le connecteur 19 monté sur le manifold et l'élément de tuyauterie du module.Fig. 26 is an elevational view of yet another embodiment of the connection module, which is not part of the invention but is given for comparison. This view is simplified to the extent that the guiding and centering device and the trumpet and its support are omitted. This embodiment has the particularity that the module is fixed on the manifold platform 28 in its position of connection to the manifold flange 18 by clamping devices 142, 143 associated respectively with the adjustable support 30 and the adjustable foot 35. Thus , since the module in its connection position is secured to the manifold platform, efforts are now fully taken up by this platform. The flexible element such as a bellows or pipe elements hinged together, indicated at 145 ensures a flexible connection between the connector 19 mounted on the manifold and the pipe element of the module.

Les figures 27 à 30 illustrent encore un autre mode de réalisation d'un système de transfert, qui ne fait pas partie de l'invention mais est donné à titre de comparaison.Figures 27 to 30 illustrate yet another embodiment of a transfer system, which is not part of the invention but is given for comparison.

Dans ce mode de réalisation, comme dans celui représenté sur la figure 17, le module ou dispositif de connexion indiqué en 150 est fixé à demeure au manifold 18 en déportant ainsi le connecteur auquel le flexible doit être fixé jusqu'au bord du navire. Autrement dit le dispositif de connexion est intégré au manifold. Le dispositif de connexion intégré prend appui par un organe de support 155 sur la plateforme manifold 28 au niveau du bord du navire. Le connecteur 157 de fixation du flexible 19 est orienté vers le bas. Dans ce mode de réalisation c'est le connecteur 157 qui porte la pinoche de centrage 158 dont l'axe s'étend parallèlement à l'axe du connecteur.In this embodiment, as in that shown in FIG. 17, the module or connection device indicated at 150 is fixed permanently to the manifold 18 thus deporting the connector to which the hose must be attached to the edge of the ship. In other words, the connection device is integrated in the manifold. The integrated connection device is supported by a support member 155 on the manifold platform 28 at the edge of the ship. The connector 157 for fixing the hose 19 is oriented downwards. In this embodiment it is the connector 157 which carries the pinch centering 158 whose axis extends parallel to the axis of the connector.

Comme le montre les figures, l'embout 160 du flexible 19 est suspendu par un câble 162 à un treuil 163 situé en haut d'une structure de support 164 situé à un niveau au-dessus du navire et monté sur une plateforme 165. La structure de support peut être réalisée sous toute forme connue appropriée.As shown in the figures, the tip 160 of the hose 19 is suspended by a cable 162 to a winch 163 located at the top of a support structure 164 located at a level above the ship and mounted on a platform 165. Support structure may be made in any suitable known form.

Puisque c'est le connecteur du module fixe 157 qui porte la pinoche 158, dans le cas présent, la trompette 167 de réception de cette pinoche est montée sur l'embout 160 du flexible. Cet embout porte également le treuil indiqué en 169 sur laquelle est enroulé le câble 170 permettant, après avoir été fixé à la pinoche 158, la fixation de l'embout 160 au dispositif de connexion 150, comme on le voit sur les figures. Le câble passe alors à travers la trompette. De plus, le déconnecteur d'urgence désigné par la référence 172 fait partie de l'embout 160 du flexible 19.Since it is the connector of the fixed module 157 which carries pinoche 158, in this case, the trumpet 167 of reception of this pinch is mounted on the tip 160 of the hose. This tip also carries the winch indicated 169 on which is wound the cable 170 allowing, after being fixed to the pinch 158, the attachment of the tip 160 to the connection device 150, as seen in the figures. The cable then passes through the trumpet. In addition, the emergency disconnector designated by the reference 172 is part of the tip 160 of the hose 19.

Comme on le voit sur les figures 27 et 28, pour établir une liaison entre le manifold 18 du navire et le flexible 19, on abaisse l'embout 160 du flexible en déroulant le câble 162, fixe le câble 170 à la pinoche 158 du module de connexion 150 (figure 27) et tire à l'aide du treuil 169 l'embout vers le dispositif de connexion (figure 29) pour obtenir l'engagement de la pinoche dans la trompette 167, ce qui permet la fixation de l'embout au dispositif de connexion (figure 28). La figure 29 montre, que, comme cela a déjà été décrit auparavant, que, lors d'une déconnexion d'urgence, le flexible 19 se sépare du navire par ouverture du déconnecteur d'urgence 172 mais est retenu par le câble 162, le câble 170 après être déroulé de son treuil 169 se trouvant sur la partie d'embout restée solidaire du flexible pendant librement de la pinoche 158. Etant donné que le connecteur 157 se trouve au niveau du bord du navire, le flexible, lors de sa séparation du navire n'est pas gêné et peut se déplacer sous l'effet de son poids sans heurter le navire.As seen in FIGS. 27 and 28, to establish a connection between the manifold 18 of the ship and the hose 19, the nozzle 160 of the hose is lowered by unrolling the cable 162, secures the cable 170 to pinoche 158 of the module 150 (Figure 27) and pulls the winch 169 the nozzle to the device of connection (Figure 29) to obtain the engagement pinoche in the trumpet 167, which allows the attachment of the tip to the connection device (Figure 28). FIG. 29 shows that, as already described above, during an emergency disconnection, the hose 19 separates from the ship by opening the emergency disconnector 172 but is retained by the cable 162, the cable 170 after being unrolled from its winch 169 being on the tip portion remaining integral with the hose freely hanging pinoche 158. Since the connector 157 is at the edge of the ship, the hose, during its separation the ship is uncomfortable and can move under the effect of its weight without hitting the ship.

Bien entendu de multiples modifications peuvent être apportées à l'invention telle qu'elle est définie par les revendications, sans sortir du cadre de l'invention. Dans les exemples de mise en oeuvre de l'invention, qui ont été donnés avant, le poste de transfert utilise des flexibles cryogéniques. Mais ceux-ci peuvent être remplacés par tout autre élément souple tel que par exemple une suite d'éléments rigides articulés entre eux.Of course, many modifications can be made to the invention as defined by the claims, without departing from the scope of the invention. In the examples of implementation of the invention, which have been given before, the transfer station uses cryogenic hoses. But they can be replaced by any other flexible element such as for example a series of rigid elements hinged together.

Il va de soi que tous les dispositifs décrits dans le cadre d'un mode de réalisation notamment ceux de guidage/centrage peuvent être transposés aux autres modes de réalisation.It goes without saying that all the devices described in the context of one embodiment, in particular those of guide / centering, can be transposed to the other embodiments.

Une caractéristique de l'invention qui est commune à tous les modes de réalisation réside dans la disposition de la pinoche de centrage. Cette disposition est déterminée en fonction des caractéristiques du flexible, notamment en fonction de la masse linéaire et la raideur en flexion, et de la masse de l'embout, pour minimiser les contraintes dans le flexible dans toutes les phases et optimiser l'entrée de la pinoche dans la trompette. Les figures 18A et 18B illustrent les caractéristiques de la disposition de la pinoche, à savoir la longueur totale L entre la pointe de la pinoche et la base de l'embout, la distance e de l'extrémité de la pinoche de l'axe du flexible et l'angle α entre l'axe de la pinoche et l'axe du connecteur.A feature of the invention that is common to all embodiments lies in the arrangement of the pinch centering. This provision is determined by the characteristics of the flexible, in particular according to the linear mass and stiffness in bending, and the mass of the tip, to minimize the stresses in the hose in all phases and optimize the entry of the pinch in the trumpet. FIGS. 18A and 18B illustrate the characteristics of the arrangement of the pinch, namely the total length L between the tip of the pinch and the base of the tip, the distance e of the end of the pinch of the pin of the pin flexible and the angle α between the axis of the pinch and the axis of the connector.

Il ressort de la description et des figures que l'invention procure de nombreux avantages majeurs. Il est tout d'abord à noter que les efforts produits pendant l'établissement d'une liaision de transfert d'un fluide, pendant le transfert du fluide et la déconnexion des organes de transfert sont entièrement repris par le navire, à savoir le manifold, la structure de la plateforme manifold, le bordé de navire, etc. En effet, c'est le navire qui supporte la partie mobile et la partie déformable de l'agencement de transfert selon l'invention. La bride de manifold est le référentiel géométrique dans toutes les phases, de la connexion, du transfert, de la déconnexion normale et la déconnexion d'urgence du flexible. Le module fixé sur la bride de manifold d'une part, et prenant appui d'autre part sur la plateforme ou le bordé du navire permet de hisser par simple treuillage et de maintenir l'extrémité mobile du flexible en limitant les efforts tranchants et les moments induits sur la bride de manifold. Le système permet une relaxation des contraintes thermiques par des mesures constructives telles que des soufflets et des articulations. La manutention du module par grue ou par un bras manipulateur au-dessus de la plateforme manifold est simple. Les flexibles sont supportés et utilisés en chaînette, configuration idéale. L'extrémité mobile du flexible dans un cas de déconnexion d'urgence peut être freinée et les éléments sensibles ne peuvent pas tomber dans l'eau ni heurter quoi que ce soit.It is apparent from the description and figures that the invention provides many major advantages. It should be noted first of all that the forces produced during the establishment of a fluid transfer connection during the transfer of the fluid and the disconnection of the transfer members are entirely taken up by the vessel, namely the manifold. , the structure of the manifold platform, the ship's plating, etc. Indeed, it is the ship that supports the mobile part and the deformable part of the transfer arrangement according to the invention. The manifold flange is the geometric repository in all phases, connection, transfer, normal disconnection and emergency disconnection of the hose. The module attached to the manifold flange on the one hand, and supported on the other hand on the platform or the plating of the ship can hoist by simple winching and maintain the movable end of the hose by limiting the shear forces and moments induced on the manifold flange. The system allows relaxation of thermal stresses by constructive measures such as bellows and joints. Module handling by crane or manipulator arm above manifold platform Is simple. The hoses are supported and used in a chain, ideal configuration. The movable end of the hose in an emergency disconnect case can be braked and the sensing elements can not fall into the water or hit anything.

Il est notamment encore à remarquer que l'utilisation des éléments de transfert flexibles tels que le flexible cryogénique permet au poste de transfert d'absorber mêmes des mouvements relatifs importants entre le navire et les plateformes. A titre d'exemple et indicatif, nullement limitatif, le flexible pourrait avoir une longueur de l'ordre de 50 m ou plus en fonction de ces mouvements relatifs qu'ils doivent absorbés. Ceci entraîne comme avantages considérables, la possibilité de simplifier la structure de l'installation d'amarrage du navire et de pouvoir prévoir le poste de transfert même dans des environnements interdits aux postes de transfert existants. D'autre part, en raison de la structure modulaire de l'arrangement de transfert du poste selon l'invention, les organes de transfert peuvent être aisément démontés et transportés, ce qui permet de supprimer les estacades avec des voies de circulation spécifiques pour des véhicules de levage des systèmes de transfert connus.In particular, it should be noted that the use of flexible transfer elements such as the cryogenic hose allows the transfer station to absorb even significant relative movements between the ship and the platforms. By way of example and indicative, in no way limiting, the hose could have a length of the order of 50 m or more depending on these relative movements they must absorbed. This results in considerable advantages, the possibility of simplifying the structure of the mooring installation of the ship and to be able to provide the transfer station even in environments prohibited to the existing transfer stations. On the other hand, because of the modular structure of the station transfer arrangement according to the invention, the transfer members can be easily disassembled and transported, thereby eliminating booms with specific traffic lanes for lifting vehicles known transfer systems.

Il est encore à noter que le module de fixation déporte le connecteur auquel le flexible doit être fixé jusqu'au bord latéral du navire, ce qui permet lors d'une déconnexion d'urgence, au flexible de se séparer du navire sans heurter celle-ci et sans être endommagé. Le flexible, après la séparation, reste suspendu par son câble le reliant à la structure de support.It should also be noted that the fastening module carries the connector to which the hose must be attached to the side edge of the ship, which makes it possible, during an emergency disconnection, for the hose to separate from the ship without hitting it. this and without being damaged. The hose, after separation, remains suspended by its cable connecting it to the support structure.

Claims (22)

  1. System for transferring a fluid product, in particular liquefied natural gas, between a transporting vehicle such as a vessel and an installation in particular a fixed installation for processing and storage of this product, of the type including a tubular arrangement for conveyance of the product between the vessel and the installation, one extremity of which is connected to the installation and the other extremity of which is connectable to the manifold of the vessel, and which includes a device for connection (17) to the manifold (18) of the vessel (9) and a flexible transfer conduit (19) connected to the installation, the connection device and the conduit being connectable to one another at their free extremities for a transfer of fluid product between the vessel and the installation and at least the free extremity (20) of the flexible transfer conduit (19) being provided with handling means (11, 26, 31) enabling the movement of said free extremity between a position in which it is connected to the connection device and a separated storage position, characterised in that the connection device (17) is made in the form of a connection module and in that this module is provided with handling means (11, 25) enabling it to be moved between a position in which it is connected to the manifold (18) and a separated storage position and with a device (30) by which it rests on the platform of the manifold (28) of the vessel (28) in its connected position.
  2. Transfer system according to claim 1, characterised in that the arrangement for conveyance includes a device for emergency disconnection (37) of the transfer conduit (19).
  3. System according to claim 2, characterised in that the device for emergency disconnection (37) of the flexible transfer conduit (19) is provided in the connection module (17).
  4. Transfer system according to claim 1 or claim 2, characterised in that the emergency disconnection device (37) is provided on the moveable extremity (22, 172) of the flexible transfer conduit (19).
  5. Transfer system according to one of claims 1 to 4, characterised in that the transfer arrangement includes a device for braking the fall of the free extremity of the transfer conduit (19) in the event of an emergency disconnection.
  6. Transfer system according to claim 5, characterised in that the device for braking the fall includes a winch provided on the part of the arrangement which remains connected to the manifold in the event of an emergency disconnection and around which is rolled a cable whose free extremity is fixed to the free extremity of the transfer conduit, said cable disconnecting.
  7. Transfer system according to one of claims 1 to 6, characterised in that the connection device (17) or the free extremity (22) of the conduit includes a device for guiding the free extremity (22) of the conduit (19) toward the extremity receiving said conduit extremity, provided on the connection device.
  8. System according to claim 7, characterised in that the guiding device includes a flared tube (44, 167) provided on the connection device (17) or the endpiece (160) of the flexible conduit and a pin provided on the moveable extremity (22) of the flexible conduit (19) or on the connection device (150) and means for engaging the pin (51, 158) in the flared tube during connection of the flexible conduit to the connection device.
  9. Transfer system according to claim 8, characterised in that the aforementioned means include a winch (47, 169) provided on the connection device (17) or the endpiece (160) of the flexible conduit and a cable (48, 170) which winds around the winch and whose free extremity is capable of being fixed to the aforementioned pin (51, 158).
  10. Transfer system according to one of claims 1 to 9, characterised in that the aforementioned handling means are provided on a carrier structure, such as a gantry (11), fitted onto a platform arrangement (10, 10').
  11. Transfer system according to claim 10, characterised in that the means for handling the moveable extremity (22) of the transfer conduit (19) include a winch (26) and a cable (31) rolled around the winch and at whose free extremity said extremity (22) of the flexible conduit is suspended.
  12. Transfer system according to claim 11, characterised in that the means for handling the connecting module (17) includes a crane (25) mounted on the carrier structure (11), from which said module is suspended by a cable (40).
  13. Transfer system according to one of claims 2 to 12, characterised in that the arrangement (30) for supporting the connection module (17) on the vessel (9) is an adjustable support connected to the module by an articulation having a horizontal axis (34).
  14. Transfer system according to one of claims 1 to 13, characterised in that the connection module (17) includes a bellows joint device rendering the module isostatic when the latter is connected to the manifold and resting on the manifold platform.
  15. Transfer system according to one of claims 1 to 14, characterised in that a flexible transfer conduit (19) is formed by a hose such as a cryogenic hose when the product is liquefied natural gas.
  16. Transfer system according to one of claims 1 to 15, characterised in that the flexible transfer conduit is a succession of elements articulated to one another.
  17. Transfer system according to one of claims 1 to 16, characterised in that the means to which the fixed extremity of a flexible transfer conduit (19) is permanently fixed is constituted by a carrier structure such as a gantry (20) advantageously mounted on a platform (15).
  18. Transfer system according to claim 17, characterised in that the carrier structure (20) includes equipment for connection of the flexible transfer conduit (19) to submerged cryogenic lines (8) belonging to the terrestrial installation.
  19. Transfer system according to any of the preceding claims, characterised in that the connection device is designed to displace the connector to which the hose must be fixed on board the vessel.
  20. System according to one of claims 7 to 19, characterised in that the connector of the connection device, intended to receive the endpiece of the moveable free extremity of the flexible transfer conduit, is orientated obliquely downwards in such a way as to enable the endpiece to be connected to the connector via the action of the device for guidance of that extremity.
  21. System according to one of claims 1 to 20, characterised in that the flexible transfer conduit is suspended in a catenary curve between its extremities in any state of operation of the system.
  22. System according to one of claims 1 to 21, characterised in that the connector (23) of the vessel, to which the hose is connectable, is situated on board the vessel in such a way that the hose, during separation of the connector from the vessel, is not obstructed and is able to move via the effect of its weight without striking the vessel.
EP01972146A 2000-10-06 2001-09-11 System for transferring a fluid product between a carrying vessel and a shore installation Expired - Lifetime EP1324944B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP06013027A EP1710206B1 (en) 2000-10-06 2001-09-11 System for transferring a fluid product between a carrying vessel and a shore installation

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0012842A FR2815025B1 (en) 2000-10-06 2000-10-06 SYSTEM FOR TRANSFERRING A FLUID PRODUCT, IN PARTICULAR LIQUEFIED NATURAL GAS AT CRYOGENIC TEMPERATURE, BETWEEN A TRANSPORT VESSEL AND A LAND TREATMENT AND STORAGE FACILITY FOR THIS PRODUCT
FR0012842 2000-10-06
PCT/FR2001/002827 WO2002028765A1 (en) 2000-10-06 2001-09-11 System for transferring a fluid product between a carrying vessel and a shore installation

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP06013027A Division EP1710206B1 (en) 2000-10-06 2001-09-11 System for transferring a fluid product between a carrying vessel and a shore installation

Publications (2)

Publication Number Publication Date
EP1324944A1 EP1324944A1 (en) 2003-07-09
EP1324944B1 true EP1324944B1 (en) 2006-08-02

Family

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Family Applications (2)

Application Number Title Priority Date Filing Date
EP01972146A Expired - Lifetime EP1324944B1 (en) 2000-10-06 2001-09-11 System for transferring a fluid product between a carrying vessel and a shore installation
EP06013027A Expired - Lifetime EP1710206B1 (en) 2000-10-06 2001-09-11 System for transferring a fluid product between a carrying vessel and a shore installation

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP06013027A Expired - Lifetime EP1710206B1 (en) 2000-10-06 2001-09-11 System for transferring a fluid product between a carrying vessel and a shore installation

Country Status (17)

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US (1) US6886611B2 (en)
EP (2) EP1324944B1 (en)
JP (1) JP4820049B2 (en)
KR (1) KR100895345B1 (en)
CN (1) CN1299970C (en)
AT (2) ATE334934T1 (en)
AU (2) AU2001291939B2 (en)
BR (1) BR0114653B1 (en)
CA (1) CA2424917C (en)
CY (1) CY1106230T1 (en)
DE (1) DE60121977T2 (en)
ES (2) ES2377135T3 (en)
FR (1) FR2815025B1 (en)
MX (1) MXPA03003087A (en)
NO (2) NO328217B1 (en)
RU (1) RU2285659C2 (en)
WO (1) WO2002028765A1 (en)

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Also Published As

Publication number Publication date
KR100895345B1 (en) 2009-04-29
BR0114653B1 (en) 2010-11-16
ATE334934T1 (en) 2006-08-15
DE60121977T2 (en) 2007-03-01
CN1478052A (en) 2004-02-25
NO338216B1 (en) 2016-08-08
NO328217B1 (en) 2010-01-11
KR20030070007A (en) 2003-08-27
NO20031543D0 (en) 2003-04-04
ES2269462T3 (en) 2007-04-01
CN1299970C (en) 2007-02-14
CA2424917C (en) 2010-04-27
NO20031543L (en) 2003-06-03
AU9193901A (en) 2002-04-15
ATE532746T1 (en) 2011-11-15
EP1710206B1 (en) 2011-11-09
ES2377135T3 (en) 2012-03-22
WO2002028765A1 (en) 2002-04-11
RU2285659C2 (en) 2006-10-20
MXPA03003087A (en) 2004-12-06
EP1324944A1 (en) 2003-07-09
BR0114653A (en) 2003-07-01
EP1710206A1 (en) 2006-10-11
US20040011424A1 (en) 2004-01-22
CY1106230T1 (en) 2011-06-08
FR2815025B1 (en) 2003-08-29
AU2001291939B2 (en) 2006-11-02
NO20081309L (en) 2003-06-03
JP4820049B2 (en) 2011-11-24
US6886611B2 (en) 2005-05-03
JP2004510648A (en) 2004-04-08
FR2815025A1 (en) 2002-04-12
CA2424917A1 (en) 2002-04-11
DE60121977D1 (en) 2006-09-14

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