EP2419671B3 - Anschlag für eine sekundärmembran eines lng-tanks - Google Patents

Anschlag für eine sekundärmembran eines lng-tanks Download PDF

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Publication number
EP2419671B3
EP2419671B3 EP10715919.6A EP10715919A EP2419671B3 EP 2419671 B3 EP2419671 B3 EP 2419671B3 EP 10715919 A EP10715919 A EP 10715919A EP 2419671 B3 EP2419671 B3 EP 2419671B3
Authority
EP
European Patent Office
Prior art keywords
tank
impermeable
barrier
impermeable sheet
wall
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.)
Active
Application number
EP10715919.6A
Other languages
English (en)
French (fr)
Other versions
EP2419671A1 (de
EP2419671B1 (de
Inventor
Adnan Ezzarhouni
Lucas Troncy
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.)
Gaztransport et Technigaz SA
Original Assignee
Gaztransport et Technigaz SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gaztransport et Technigaz SA filed Critical Gaztransport et Technigaz SA
Priority to PL10715919T priority Critical patent/PL2419671T6/pl
Publication of EP2419671A1 publication Critical patent/EP2419671A1/de
Application granted granted Critical
Publication of EP2419671B1 publication Critical patent/EP2419671B1/de
Priority to HRP20160092TT priority patent/HRP20160092T4/hr
Publication of EP2419671B3 publication Critical patent/EP2419671B3/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C3/00—Vessels not under pressure
    • F17C3/02—Vessels not under pressure with provision for thermal insulation
    • F17C3/025—Bulk storage in barges or on ships
    • F17C3/027—Wallpanels for so-called membrane tanks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C3/00—Vessels not under pressure
    • F17C3/02—Vessels not under pressure with provision for thermal insulation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C3/00—Vessels not under pressure
    • F17C3/02—Vessels not under pressure with provision for thermal insulation
    • F17C3/022—Land-based bulk storage containers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/01—Shape
    • F17C2201/0147—Shape complex
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/05—Size
    • F17C2201/052—Size large (>1000 m3)
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/03—Thermal insulations
    • F17C2203/0304—Thermal insulations by solid means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0602—Wall structures; Special features thereof
    • F17C2203/0612—Wall structures
    • F17C2203/0626—Multiple walls
    • F17C2203/0629—Two walls
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2209/00—Vessel construction, in particular methods of manufacturing
    • F17C2209/22—Assembling processes
    • F17C2209/227—Assembling processes by adhesive means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2209/00—Vessel construction, in particular methods of manufacturing
    • F17C2209/22—Assembling processes
    • F17C2209/228—Assembling processes by screws, bolts or rivets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2209/00—Vessel construction, in particular methods of manufacturing
    • F17C2209/23—Manufacturing of particular parts or at special locations
    • F17C2209/232—Manufacturing of particular parts or at special locations of walls
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2209/00—Vessel construction, in particular methods of manufacturing
    • F17C2209/23—Manufacturing of particular parts or at special locations
    • F17C2209/234—Manufacturing of particular parts or at special locations of closing end pieces, e.g. caps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2221/00—Handled fluid, in particular type of fluid
    • F17C2221/03—Mixtures
    • F17C2221/032—Hydrocarbons
    • F17C2221/033—Methane, e.g. natural gas, CNG, LNG, GNL, GNC, PLNG
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
    • F17C2223/0146—Two-phase
    • F17C2223/0153—Liquefied gas, e.g. LPG, GPL
    • F17C2223/0161—Liquefied gas, e.g. LPG, GPL cryogenic, e.g. LNG, GNL, PLNG
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/03—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the pressure level
    • F17C2223/033—Small pressure, e.g. for liquefied gas
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2260/00—Purposes of gas storage and gas handling
    • F17C2260/01—Improving mechanical properties or manufacturing
    • F17C2260/013—Reducing manufacturing time or effort
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2270/00—Applications
    • F17C2270/01—Applications for fluid transport or storage
    • F17C2270/0102—Applications for fluid transport or storage on or in the water
    • F17C2270/0105—Ships
    • F17C2270/0107—Wall panels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2270/00—Applications
    • F17C2270/01—Applications for fluid transport or storage
    • F17C2270/0134—Applications for fluid transport or storage placed above the ground
    • F17C2270/0136—Terminals

Definitions

  • the present invention relates to the production of sealed and thermally insulated tanks integrated into a supporting structure.
  • the primary thermally insulating barrier, the secondary sealing barrier and the secondary thermal insulating barrier are essentially constituted by a set of prefabricated panels fixed on the supporting structure.
  • Each prefabricated panel is formed, in the first place, of a first rigid plate carrying a layer of thermal insulation and constituting with it a secondary thermally insulating barrier element, secondly, a flexible or rigid sheet adhering substantially to any the surface of the thermal insulating layer of the aforementioned secondary thermal insulating barrier element, said ply forming a secondary sealing barrier element, thirdly, a second thermal insulating layer, which partially overlaps the said web and adhering thereto and, fourthly, a second rigid plate covering the second layer of thermal insulation and constituting with it a primary thermally insulating barrier element.
  • the secondary sealing barrier In an area located at the top of the vertical walls of the tank, the secondary sealing barrier is connected to the supporting structure. This zone called “stop zone of the secondary membrane" is not described in the aforementioned documents.
  • the figure 1 represents, in section, the stopping zone of the secondary membrane of a tank of the prior art.
  • the supporting structure 1 is constituted by the double hull of a ship. It comprises a vertical pan 2 and a horizontal pan 3. An L-shaped plate 4 is welded to the horizontal pan 3 and extends downwards.
  • prefabricated panels are attached to the vertical pan 2 to form the primary heat-insulating barrier, the secondary sealing barrier and the secondary heat-insulating barrier.
  • the layer 5 of insulating material and the watertight layer 6 of the prefabricated panel located higher can be seen.
  • the ply 6 In the stopping zone of the secondary membrane, the ply 6 must be sealingly connected to the supporting structure 1. This is achieved by a flexible ply 7 which is, on the one hand, bonded to the ply 6 of the prefabricated panel and on the other hand, glued to the L-shaped plate 4. The gluing of the sheet 7 to the L-shaped plate 4 is achieved, and two layers of putty 8 are provided, as shown in more detail in FIG. figure 2 . A beam 9 of veneer is bolted to the flat L 4.
  • This closure system of the secondary membrane has several disadvantages.
  • the small surface area bonded between the sheet 7 and the L-shaped plate 4 requires the use of a highly qualified and experienced workforce to carry out this operation and guarantee the gas-tightness of LNG. and liquid.
  • a problem that the present invention proposes to solve is to provide a vessel that does not exhibit at least some of the aforementioned drawbacks of the prior art.
  • an object of the invention is to provide a tank in which the secondary sealed barrier can be connected more easily to the carrier structure.
  • Another object of the invention is to make it possible to automate and make reliable as much as possible the manufacture of the tank.
  • the solution proposed by the invention is a tank for liquefied natural gas, comprising a bearing structure and a sealed and thermally insulated tank for containing liquefied natural gas, said tank comprising a plurality of tank walls attached to said supporting structure, each wall of tank having successively, in the direction of the thickness from the inside to the outside of said tank, a primary watertight barrier, a primary heat-insulating barrier, a secondary watertight barrier and a secondary heat-insulating barrier, said tank walls comprising at least one vertical wall, the secondary sealed barrier of said vertical wall comprising a first watertight sheet located at the top of said wall and a connection device sealingly connecting said first watertight sheet to said supporting structure, characterized in that said connecting device comprises a first pl metal plate parallel to said first watertight web, a third watertight web adhered to said first metal plate, and a second watertight web adhered, on the one hand, to said first watertight web and on the other hand to said third watertight web.
  • This tank can be for example a ship or a land tank. Thanks to the above characteristics, the second watertight layer is bonded respectively to two parallel surfaces. This bonding can therefore be achieved easily, automatically and reliably.
  • the bonding of the first waterproof ply can be done before installation in the tank, in the workshop.
  • the first plate being metallic, it can be connected to the supporting structure, directly or indirectly, by continuous welding. This continuous welding can also be done easily, automatically and reliably.
  • the invention avoids the use of layers of mastic.
  • the bonding of the second layer does not require a highly qualified and experienced workforce.
  • said second watertight web is flexible and has a non-sized area between the first watertight web and the third watertight web.
  • the flexibility of the second ply and the non-glued area allow the resumption of displacements imposed by the supporting structure and the thermal insulation secondary to the secondary watertight barrier.
  • said first metal plate is welded to a metal part connected to the supporting structure.
  • said metal part has a vertical part and a horizontal part, the first metal plate being welded to the vertical part, the horizontal part being connected to the supporting structure.
  • the length of the horizontal part allows adjustment of the position of the vertical part, during the installation of the metal part. This makes it possible to adjust the position of the vertical part to the position of the first sheet.
  • the vertical part, on which is glued the third waterproof ply is positioned so that the first and the third ply are located in the same plane. This makes it even easier to glue.
  • said first watertight web is glued on a layer of insulating material or on a plywood plate forming part of the secondary thermally insulating barrier.
  • said support structure comprises vertical concrete wall panels, installed on the ground.
  • said support structure comprises the double shell of a floating structure
  • the Figures 3 to 9 relate to a tank according to a first embodiment of the invention.
  • the vessel has a plurality of vessel walls and is integrated into a carrier structure 11.
  • the carrier structure 11 may be the double hull of a ship or other type of floating structure.
  • each tank wall has successively, in the direction of the thickness from the inside to the outside of the tank, a primary watertight barrier, a primary heat-insulating barrier, a secondary watertight barrier and a thermally insulating barrier. secondary.
  • the primary thermally insulating barrier, the secondary sealed barrier and the secondary thermally insulating barrier essentially consist of a set of prefabricated panels fixed on the supporting structure 11.
  • the secondary watertight barrier is constituted by an assembly of waterproof plies.
  • Each sheet consists of a composite material whose two outer layers are glass fiber fabrics and whose intermediate layer is a deformable thin aluminum sheet of about 0.1 mm thick.
  • the sheet may be rigid or flexible.
  • Each prefabricated panel therefore comprises, inter alia, a rigid sheet bonded to a layer of thermally insulating material. At the junctions between adjacent panels, strips of flexible ply connect the adjacent rigid plies.
  • the secondary watertight barrier also called secondary membrane
  • the figure 3 represents, in section, this zone called the stopping zone of the secondary membrane.
  • the figures 4 and 5 represent details of the figure 3 .
  • the carrying structure 11 comprises a vertical pan 12 and a horizontal pan 13.
  • An L-shaped plate 14 is welded to the horizontal pan 13.
  • the plate 14 has a vertical part 27 which extends downwards, parallel to the vertical pan 12, and a horizontal portion 28 located at the lower end of the vertical portion 27 and extending away from the vertical pan 12.
  • a fixing bracket 20 is fixed below the horizontal portion 28.
  • a U-shaped stirrup 21 is fixed to the plate 14 and to the bracket 20. More precisely, the stirrup 21 has two parallel branches 30 connected by a wall 29 perpendicular to the branches. 30. The branches 30 are fixed respectively to the horizontal portion 28 of the flat 14 and to the square 20.
  • the supporting structure 11 and the plate 14 have the same shape as in the prior art of the figure 1 .
  • the invention does not require modifying the forms of carrier structures usually used.
  • the fixing of the bracket 20 and the stirrup 21 can be easily achieved by continuous welding, in an automated and reliable manner.
  • This layer 15 is covered by a rigid ply 16, except at an upper edge.
  • the layer 15 is thinner and the panel has a recessed face 24 in which is formed a horizontal groove.
  • the face 24 is situated substantially in the same plane as the wall 29 of the stirrup 21, which is possible because the geometry of the stirrup 21 makes it possible, when it is fixed, to adjust the position of the wall 29.
  • a metal plate 22 is welded to the wall 29 of the stirrup and extends downward, covering the face 24 to the groove 25. At its lower end, the plate 22 has a flange 26 folded in the groove 25. A strip of rigid ply 23 is glued to the plate 22.
  • a flexible web strip 17 is bonded, on the one hand, to the web 16 and, on the other hand, to the web 23.
  • An unsized zone is between the webs 16 and 23. It may be noted that this bonding is made respectively on two parallel surfaces, on which there are rigid webs. This bonding can therefore be achieved easily, automatically and reliably.
  • the foregoing structure makes it possible to seal the ply 16 of the prefabricated panel to the supporting structure 11, via the flexible ply 17, possibly the rigid ply 23, the plate 22, the stirrup 21 and the In addition, the flexibility of the ply 17 allows the resumption of displacements imposed by the supporting structure 11 and the thermal insulation secondary to the secondary sealed barrier, leaving a non-glued area between the ply 23 and the ply 16.
  • the figure 6 represents, in perspective, a corner of the tank formed by two vertical walls. We can see, for each wall, some of the elements described above.
  • the figure 7 is similar to the figure 6 and represents a variant in which a bracket 31 is fixed in the angle, to maintain the flexible web 17 in place. Indeed, the flat gluing submits the gluing of the corner areas to a resultant of thermomechanical forces perpendicular to the bonding plane may cause the rupture of the glued joint by peeling. Depending on the size of the tank and the characteristics of the bonding, such a bracket 31 may be necessary or not.
  • the figure 8 shows the bracket 31 and its fixing bolts in more detail.
  • the figure 9 is similar to the figure 6 but the flexible web 17 has been removed to allow the underlying elements to be seen.
  • the rigid sheet 23 is present along the walls in the form of a flat strip.
  • a flat strip is manufactured from two layers of glass fabric arranged on either side of an aluminum foil, resined together and hot pressed during the polymerization of the resin.
  • the rigid ply 23 is in the form of an L-shaped strip.
  • Such a non-planar strip can be made by polymerizing the resin, under heat and under pressure, on a mold with the desired shape.
  • a flexible web 23 which, by its flexibility, can adapt to a corner area.
  • the Figures 10 to 13 represent a tank according to a second embodiment of the invention.
  • the vessel has a plurality of vessel walls and is integrated into a carrier structure 111.
  • the carrier structure 111 comprises vertical wall sections of prestressed concrete.
  • the carrier structure 111 and the tank form a land tank for LNG.
  • a metal plate 114 is attached to the carrier structure 111.
  • the plate 114 is positioned during casting of the concrete.
  • a metal plate 120 is welded to the plate 114, and extends horizontally.
  • the primary thermally insulating barrier, the secondary sealed barrier and the secondary thermally insulating barrier of the vessel essentially consist of a set of prefabricated panels fixed on the supporting structure 111. It can be seen in particular on the figure 11 that each upper prefabricated panel comprises a layer 115 of insulating material, covered by a plate 132 of plywood. The plate 132 is covered by a rigid ply 116, except at a lower thicker edge, where the plate 132 has a recessed face 124.
  • a metal plate 122 is screwed to the panel 132, on the face 124, leaving an uncoated area 133 adjacent the portion of the panel 132 covered by the web 116.
  • the plate 122 is partially covered by a rigid web 123.
  • a flexible strip of ply 117 is bonded, on the one hand, to the ply 116 and, on the other hand, to the ply 123.
  • An unsized zone is located between plies 116 and 123. It may be noted that this gluing is made respectively on two parallel surfaces, on which there are rigid webs. This bonding can therefore be achieved easily, automatically and reliably.
  • the plies 116 and 123 are located in the same plane, which further facilitates gluing. In a variant, there is no ply 123 and the ply strip 117 is stuck directly on the plate 122.
  • a metal angle 121 is welded, on the one hand, to the plate 120 and, on the other hand, to the plate 122.
  • the angle 121 has a horizontal wall 130 welded to the plate 120 and a vertical wall 129 welded to the plate 122.
  • the above structure makes it possible to seal the web 116 of the prefabricated panel to the carrier structure 111, via the flexible ply 117, the rigid ply 123, the plate 122, the angle 121 and plates 120 and 114.
  • the bonding of the web 117 can be performed in an automated and reliable manner.
  • the welding of the angle 121 can be performed in an automated and reliable manner.
  • the geometry of the angle 121 allows a position adjustment to coincide with the position of the plate 122.
  • the figure 13 represents the stopping area of the secondary membrane in perspective. There can be seen a corner area 133 between two adjacent vertical walls. This angle is more open than in the case of the first embodiment so that the risk of peeling off is lower. However, depending on the dimensioning of the tank and the characteristics of the peel, one can optionally fix a clamping bracket, similarly to the bracket 31 of the first embodiment.
  • the flexible sheet forms, in particular with the plate 22 or 122, a connection device sealingly connecting the napped of a prefabricated panel to the supporting structure.
  • a connecting device has been described in relation to a floating structure and the other with a terrestrial reservoir. The two connecting devices can however be used with a floating structure or a terrestrial reservoir.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Diaphragms And Bellows (AREA)
  • External Artificial Organs (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)

Claims (8)

  1. Tank für Flüssigerdgas, umfassend eine Trägerstruktur (11, 111) sowie ein dichtes und wärmeisoliertes Gefäß, welches dazu bestimmt ist, Flüssigerdgas zu enthalten, wobei das Gefäß mehrere Gefäßwände umfasst, welche an der Trägerstruktur befestigt sind, wobei jede Gefäßwand in Richtung der Dicke von der Innenseite nach der Außenseite des Gefäßes aufeinanderfolgend eine primäre Dichtungssperre, eine primäre wärmeisolierende Sperre, eine sekundäre Dichtungssperre und eine sekundäre wärmeisolierende Sperre aufweist, wobei die Gefäßwände mindestens eine vertikale Wand umfassen, wobei die sekundäre Dichtungssperre der vertikalen Wand eine erste Dichtungsschicht (16, 116) umfasst, welche an der Oberseite der Wand liegt, sowie eine Verbindungsvorrichtung, welche die erste Dichtungsschicht mit der Trägerstruktur dicht verbindet, dadurch gekennzeichnet, dass die Verbindungsvorrichtung eine erste Metallplatte (22, 122) parallel zu der ersten Dichtungsschicht sowie eine zweite Dichtungsschicht (17, 117) umfasst, welche, einerseits an eine erste Oberfläche der ersten Dichtungsschicht haftet, und andererseits unmittelbar an eine zweite Oberfläche der ersten Metallplatte haftet, wobei die erste Oberfläche und die zweite Oberfläche parallel sind.
  2. Tank für Flüssigerdgas, umfassend eine Trägerstruktur (11, 111) sowie ein dichtes und wärmeisoliertes Gefäß, welches dazu bestimmt ist, Flüssigerdgas zu enthalten, wobei das Gefäß mehrere Gefäßwände umfasst, welche an der Trägerstruktur befestigt sind, wobei jede Gefäßwand in Richtung der Dicke von der Innenseite nach der Außenseite des Gefäßes aufeinanderfolgend eine primäre Dichtungssperre, eine primäre wärmeisolierende Sperre, eine sekundäre Dichtungssperre und eine sekundäre wärmeisolierende Sperre aufweist, wobei die Gefäßwände mindestens eine vertikale Wand umfassen, wobei die sekundäre Dichtungssperre der vertikalen Wand eine erste Dichtungsschicht (16, 116) umfasst, welche an der Oberseite der Wand liegt, sowie eine Verbindungsvorrichtung, welche die erste Dichtungsschicht mit der Trägerstruktur dicht verbindet, dadurch gekennzeichnet, dass die Verbindungsvorrichtung eine erste Metallplatte (22, 122) parallel zu der ersten Dichtungsschicht sowie eine zweite Dichtungsschicht (17, 117) umfasst, welche, einerseits an eine erste Oberfläche der ersten Dichtungsschicht haftet, und andererseits an eine zweite Oberfläche einer dritten Dichtungsschicht (23, 123) haftet, wobei die dritte Dichtungsschicht an der ersten Metallplatte haftet, wobei die erste Oberfläche und die zweite Oberfläche parallel sind.
  3. Tank gemäß Anspruch 1 oder 2, wobei die zweite Dichtungsschicht flexibel ist und zwischen der ersten Dichtungsschicht und der ersten Metallplatte einen nicht haftenden Bereich aufweist.
  4. Tank gemäß einem der vorherigen Ansprüche, wobei die erste Metallplatte mit einem Metallstück (21, 121) verschweißt ist, welches mit der Trägerstruktur verbunden ist.
  5. Tank gemäß dem vorherigen Anspruch, wobei das Metallstück einen vertikalen Teil (29, 129) und einen horizontalen Teil (30, 130) aufweist, wobei die erste Metallplatte mit dem vertikalen Teil verschweißt ist, wobei der horizontale Teil mit der Trägerstruktur verbunden ist.
  6. Tank gemäß einem der vorherigen Ansprüche, wobei die erste Dichtungsschicht an einer Schicht Isoliermaterial (15) oder einer Sperrholzplatte (132) haftet, welche Bestandteil der sekundären wärmeisolierenden Sperre ist.
  7. Tank gemäß einem der vorherigen Ansprüche, wobei die Trägerstruktur vertikale Wandteile aus Beton umfasst, welche auf dem Boden montiert sind.
  8. Tank gemäß einem der vorherigen Ansprüche, wobei die Trägerstruktur die Doppelhülle einer schwimmenden Vorrichtung umfasst.
EP10715919.6A 2009-04-14 2010-03-11 Anschlag für eine sekundärmembran eines lng-tanks Active EP2419671B3 (de)

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PL10715919T PL2419671T6 (pl) 2009-04-14 2010-03-11 Ogranicznik membrany wtórnej zbiornika na LNG
HRP20160092TT HRP20160092T4 (hr) 2009-04-14 2016-01-28 Stoper za sekundarnu membranu lng spremnika

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FR0952425A FR2944335B1 (fr) 2009-04-14 2009-04-14 Arret de la membrane secondaire d'une cuve de gnl
PCT/FR2010/050417 WO2010119199A1 (fr) 2009-04-14 2010-03-11 Arrêt de la membrane secondaire d'une cuve de gnl

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MA33253B1 (fr) 2012-05-02
HN2012000110A (es) 2015-05-18
RU2011141902A (ru) 2013-05-20
CL2011002179A1 (es) 2012-01-20
PL2419671T3 (pl) 2016-04-29
SA110310287B1 (ar) 2014-06-03
CA2752208A1 (fr) 2010-10-21
TWI596296B (zh) 2017-08-21
FR2944335B1 (fr) 2011-05-06
CU20120073A7 (es) 2012-06-21
PE20121005A1 (es) 2012-08-16
EP2419671A1 (de) 2012-02-22
UA104308C2 (uk) 2014-01-27
ES2559931T7 (es) 2017-05-17
US20120012473A1 (en) 2012-01-19
FR2944335A1 (fr) 2010-10-15
TW201102554A (en) 2011-01-16
WO2010119199A1 (fr) 2010-10-21
JP5374636B2 (ja) 2013-12-25
AU2010238386A1 (en) 2011-10-27
ES2559931T3 (es) 2016-02-16
HRP20160092T8 (hr) 2016-03-25
IL217318A (en) 2014-11-30
EG26598A (en) 2014-03-20
NZ594659A (en) 2013-03-28
HRP20160092T4 (hr) 2017-03-24
HRP20160092T1 (en) 2016-02-26
US9291308B2 (en) 2016-03-22
TN2011000407A1 (en) 2013-03-27
DOP2011000263A (es) 2011-10-15
CN102348925A (zh) 2012-02-08
BRPI1015526B1 (pt) 2020-08-25
RU2514458C2 (ru) 2014-04-27
AR076286A1 (es) 2011-06-01
ZA201107470B (en) 2012-07-25
EP2419671B1 (de) 2015-10-28
IL217318A0 (en) 2012-02-29
CO6440521A2 (es) 2012-05-15
SG174490A1 (en) 2011-10-28
KR20110137398A (ko) 2011-12-22
CN102348925B (zh) 2013-05-22
AU2010238386B2 (en) 2015-07-09
MY157011A (en) 2016-04-15
CA2752208C (fr) 2017-03-28
BRPI1015526A2 (pt) 2016-04-26
MX2011010549A (es) 2011-12-16
KR101412680B1 (ko) 2014-06-26
JP2012523527A (ja) 2012-10-04

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