EP2419671A1 - Anschlag für eine sekundärmembran eines lng-tanks - Google Patents

Anschlag für eine sekundärmembran eines lng-tanks

Info

Publication number
EP2419671A1
EP2419671A1 EP10715919A EP10715919A EP2419671A1 EP 2419671 A1 EP2419671 A1 EP 2419671A1 EP 10715919 A EP10715919 A EP 10715919A EP 10715919 A EP10715919 A EP 10715919A EP 2419671 A1 EP2419671 A1 EP 2419671A1
Authority
EP
European Patent Office
Prior art keywords
watertight
tank
barrier
web
metal plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP10715919A
Other languages
English (en)
French (fr)
Other versions
EP2419671B3 (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

Links

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. State of the art
  • 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.
  • Figure 1 shows, 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 includes a pan vertical 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 water table 6 of the prefabricated panel located higher.
  • 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 ply 7 to the L-shaped plate 4 is carried out, and two layers of putty 8 are provided, as shown in more detail in FIG. Veneer beam 9 is bolted to the L-shaped plate 4.
  • This closure system of the secondary membrane has several disadvantages.
  • 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 intended to contain liquefied natural gas, said vessel comprising a plurality of vessel walls attached to said carrier structure, each vessel wall having successively, in the thickness direction from the inside to the outside of said vessel, a primary watertight barrier, a primary heat-insulating barrier, a secondary watertight barrier and a secondary thermally 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 connecting device sealingly connecting said first web sealed to said supporting structure, characterized in that said connecting device comprises a first metal plate parallel to said first watertight web, a third watertight web bonded to said first metal plate, and a second watertight web adhered, on the one hand, to said first layer sealed and on the other hand to said third watertight web.
  • the second watertight web can be glued directly to
  • This tank can be for example a ship or a land tank.
  • 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 sheet 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.
  • 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.
  • 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.
  • FIG. 1 is a sectional view of a tank of the prior art, at the stop zone of the secondary membrane,
  • FIG. 2 represents a detail of FIG.
  • FIG. 3 is a sectional view of a tank according to one embodiment of the invention, at the stop zone of the secondary membrane, FIGS. 4 and 5 show details of FIG. 3,
  • FIG. 6 is a perspective view of the stopping zone of the secondary cell membrane of FIG. 3, at a corner,
  • FIGS. 7 and 8 show a bracket arranged in the corner of FIG. 6,
  • FIG. 9 is a view similar to FIG. 6, where certain elements have been removed,
  • FIG. 10 is a sectional view of a tank according to another embodiment of the invention, at the stop zone of the secondary membrane,
  • FIGS. 11 and 12 show details of FIG. 10,
  • FIG. 13 is a perspective view of the stopping zone of the secondary cell membrane of Figure 10, at a corner.
  • FIGS 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 thickness direction 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 thermal insulating barrier essentially consist of a set of prefabricated panels fixed on the supporting structure 11.
  • the watertight barrier secondary 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.
  • strips of flexible ply connect the adjacent rigid plies.
  • the secondary watertight barrier also called secondary membrane
  • Figure 3 shows, in section, this area called the stopping zone of the secondary membrane.
  • Figures 4 and 5 show details of 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 part 28 located at the lower end of the vertical part 27 and extending at a distance from the vertical pan 12.
  • a fixing bracket 20 is fixed under the horizontal part 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 respectively fixed to the horizontal part 28 of plate 14 and the bracket 20. It can be noted on the one hand, that the carrier structure 11 and the plate 14 have the same shape as in the prior art of Figure 1. In other words, the invention does not require not to modify the forms of support structures usually used. On the other hand, the fixing of the bracket 20 and the stirrup 21 can be easily achieved by continuous welding, in an automated and reliable manner.
  • FIGS. 3 to 5 show a layer 15 of thermally insulating material of a prefabricated panel located at the top of the wall.
  • 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.
  • metal plate 22 is welded to the wall 29 of the yoke and extends downward, covering the face 24 to the groove 25. At its lower end, the plate 22 has a rim 26 folded in the groove 25 A strip of rigid ply 23 is glued to the plate 22.
  • a flexible strip of ply 17 is bonded, on the one hand, to the ply 16 and, on the other hand, to the ply 23.
  • An unsized zone is located between plies 16 and 23.
  • this bonding is performed respectively on two parallel surfaces, on which there are rigid webs. This bonding can therefore be achieved easily, automatically and reliably.
  • the above structure makes it possible to connect in a leaktight manner 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 of plate 14.
  • the flexibility of the web 17 allows the resumption of displacement imposed by the carrier structure 11 and the secondary thermal insulation to the secondary sealed barrier, leaving a non-bonded area between the web 23 and the web 16 .
  • Figure 6 shows, in perspective, a corner of the tank formed by two vertical walls. We can see, for each wall, some of the elements described above.
  • Figure 7 is similar to Figure 6 and shows a variant in which a bracket 31 is fixed in the corner, to maintain the flexible web 17 in place.
  • 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.
  • a bracket 31 may be necessary or not.
  • Figure 8 shows the bracket 31 and its fixing bolts in more detail.
  • Figure 9 is similar to Figure 6, but the flexible web 17 has been removed to allow viewing of the underlying elements.
  • 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.
  • Figures 10 to 13 show a vessel 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 strip of flexible ply 117 is adhered, on the one hand, to ply 116 and, on the other hand, to ply 123.
  • An unsized zone is located between plies 116 and 123 It may be noted that this bonding is carried out respectively on two parallel surfaces, on which there are rigid plies. 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. More precisely, 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 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.
  • Figure 13 shows 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 ply forms, in particular with the plate 22 or 122, a connection device sealingly connecting the ply 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.

Landscapes

  • 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)
  • External Artificial Organs (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Diaphragms And Bellows (AREA)
EP10715919.6A 2009-04-14 2010-03-11 Anschlag für eine sekundärmembran eines lng-tanks Active EP2419671B3 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
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

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
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

Publications (3)

Publication Number Publication Date
EP2419671A1 true EP2419671A1 (de) 2012-02-22
EP2419671B1 EP2419671B1 (de) 2015-10-28
EP2419671B3 EP2419671B3 (de) 2016-11-02

Family

ID=41356269

Family Applications (1)

Application Number Title Priority Date Filing Date
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FR3109979B1 (fr) * 2020-05-05 2022-04-08 Gaztransport Et Technigaz Cuve étanche et thermiquement isolante comprenant des éléments de remplissage anti-convectif
KR102469998B1 (ko) * 2020-12-14 2022-11-25 현대중공업 주식회사 액화가스 저장탱크 및 이를 포함하는 선박
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IL217318A (en) 2014-11-30
ES2559931T3 (es) 2016-02-16
HRP20160092T8 (hr) 2016-03-25
FR2944335B1 (fr) 2011-05-06
KR101412680B1 (ko) 2014-06-26
EP2419671B3 (de) 2016-11-02
MX2011010549A (es) 2011-12-16
FR2944335A1 (fr) 2010-10-15
HRP20160092T4 (hr) 2017-03-24
ES2559931T7 (es) 2017-05-17
RU2514458C2 (ru) 2014-04-27
JP5374636B2 (ja) 2013-12-25
NZ594659A (en) 2013-03-28
EG26598A (en) 2014-03-20
WO2010119199A1 (fr) 2010-10-21
SA110310287B1 (ar) 2014-06-03
MY157011A (en) 2016-04-15
AU2010238386B2 (en) 2015-07-09
IL217318A0 (en) 2012-02-29
EP2419671B1 (de) 2015-10-28
CU20120073A7 (es) 2012-06-21
HRP20160092T1 (en) 2016-02-26
AU2010238386A1 (en) 2011-10-27
PL2419671T6 (pl) 2017-10-31
CO6440521A2 (es) 2012-05-15
JP2012523527A (ja) 2012-10-04
BRPI1015526B1 (pt) 2020-08-25
TWI596296B (zh) 2017-08-21
PE20121005A1 (es) 2012-08-16
HN2012000110A (es) 2015-05-18
US9291308B2 (en) 2016-03-22
CN102348925B (zh) 2013-05-22
AR076286A1 (es) 2011-06-01
SG174490A1 (en) 2011-10-28
US20120012473A1 (en) 2012-01-19
ZA201107470B (en) 2012-07-25
RU2011141902A (ru) 2013-05-20
PL2419671T3 (pl) 2016-04-29
CL2011002179A1 (es) 2012-01-20
UA104308C2 (uk) 2014-01-27
BRPI1015526A2 (pt) 2016-04-26
CA2752208A1 (fr) 2010-10-21
TW201102554A (en) 2011-01-16
CN102348925A (zh) 2012-02-08
DOP2011000263A (es) 2011-10-15
KR20110137398A (ko) 2011-12-22
CA2752208C (fr) 2017-03-28
TN2011000407A1 (en) 2013-03-27
MA33253B1 (fr) 2012-05-02

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