EP3161370B1 - Cuve etanche et isolante et son procede de fabrication - Google Patents

Cuve etanche et isolante et son procede de fabrication Download PDF

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Publication number
EP3161370B1
EP3161370B1 EP15732604.2A EP15732604A EP3161370B1 EP 3161370 B1 EP3161370 B1 EP 3161370B1 EP 15732604 A EP15732604 A EP 15732604A EP 3161370 B1 EP3161370 B1 EP 3161370B1
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EP
European Patent Office
Prior art keywords
layer
thermal insulation
tank
insulating
sealing strip
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
EP15732604.2A
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German (de)
English (en)
French (fr)
Other versions
EP3161370A1 (fr
Inventor
Mohamed Sassi
Mathieu WONG
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
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Publication date
Application filed by Gaztransport et Technigaz SA filed Critical Gaztransport et Technigaz SA
Priority to PL15732604T priority Critical patent/PL3161370T3/pl
Publication of EP3161370A1 publication Critical patent/EP3161370A1/fr
Application granted granted Critical
Publication of EP3161370B1 publication Critical patent/EP3161370B1/fr
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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B25/00—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby
    • B63B25/02—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods
    • B63B25/08—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid
    • B63B25/12—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid closed
    • B63B25/16—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid closed heat-insulated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B27/00—Arrangement of ship-based loading or unloading equipment for cargo or passengers
    • B63B27/24—Arrangement of ship-based loading or unloading equipment for cargo or passengers of pipe-lines
    • 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
    • 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
    • F17C5/00—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures
    • F17C5/02—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures for filling with liquefied gases
    • 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
    • F17C6/00—Methods and apparatus for filling vessels not under pressure with liquefied or solidified gases
    • 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
    • F17C7/00—Methods or apparatus for discharging liquefied, solidified, or compressed gases from pressure vessels, not covered by another subclass
    • F17C7/02—Discharging liquefied gases
    • 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
    • F17C9/00—Methods or apparatus for discharging liquefied or solidified gases from vessels not under pressure
    • 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
    • F17C2201/0157—Polygonal
    • 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
    • F17C2203/0329—Foam
    • F17C2203/0333—Polyurethane
    • 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
    • F17C2203/0358—Thermal insulations by solid means in form of 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
    • 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
    • F17C2203/0614—Single wall
    • F17C2203/0624—Single wall with four or more layers
    • 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
    • F17C2203/0631—Three or more 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
    • 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
    • F17C2203/0634—Materials for walls or layers thereof
    • F17C2203/0658—Synthetics
    • F17C2203/0663—Synthetics in form of fibers or filaments
    • 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
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0352—Pipes
    • 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
    • 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
    • F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
    • F17C2227/01—Propulsion of the fluid
    • F17C2227/0128—Propulsion of the fluid with pumps or compressors
    • F17C2227/0135—Pumps
    • 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
    • F17C2260/011—Improving strength
    • 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

Definitions

  • the invention relates to the field of sealed and insulating vessels which may contain cold fluids, in particular tanks for storing or transporting liquefied gases, in particular liquefied natural gas at atmospheric pressure.
  • a sealed and insulating tank comprising a tank wall fixed to a supporting structure, in which the wall of the tank has a multilayer structure which successively comprises a primary sealing membrane intended to be in contact with a product contained in the tank, a primary insulating barrier, a secondary waterproofing membrane and a secondary insulating barrier.
  • the secondary insulating barrier, the secondary sealing membrane and the primary insulating barrier consist essentially of a set of prefabricated panels fixed to the supporting structure, each prefabricated panel successively comprising a rigid bottom plate, a first layer of thermal insulation carried by the bottom plate and forming with the bottom plate an element of the secondary insulating barrier, a waterproof coating which completely covers the first layer of thermal insulation by being bonded to the first layer of thermal insulation and which forms an element of the secondary waterproofing membrane, a second thermal insulation layer which covers a central zone of the first layer and the waterproof coating, and a rigid cover plate covering the second thermal insulation layer and constituting with the second layer of thermal insulation; thermal insulation an element of the primary insulating barrier.
  • the bottom plate, the first layer of thermal insulation and the waterproof coating of the prefabricated panel have a first rectangular outline while the second layer of thermal insulation and the cover plate have a second rectangular contour of smaller dimensions than the first one. contour rectangular, so that the second layer of thermal insulation and the cover plate do not cover an edge region of the waterproof coating along the four edges of the first rectangular contour.
  • the prefabricated panels are juxtaposed on the supporting structure parallel to each other, so that the edge region of the waterproof coating of a first of the prefabricated panels is each time close to the edge region of the waterproof coating of a second of the prefabricated panels.
  • the wall of the vessel further comprises sealing strips made of a flexible composite laminate material comprising at least one metal sheet bonded to at least one layer of fibers, the sealing strips being arranged straddling the adjacent border areas sealed waterproofing of the prefabricated panels and sealed to the waterproofing of the prefabricated panels to complete the secondary waterproofing membrane between the prefabricated panels.
  • the wall of the tank further comprises insulating blocks disposed on the sealing strips, an insulating pad being placed each time between the second layers of thermal insulation of two adjacent prefabricated panels, so as to complete the primary insulating barrier between the two prefabricated panels, the insulating pad having a layer of thermal insulation covered with a rigid plate, so that the rigid plates of the insulating blocks and the cover plates of the prefabricated panels constitute a substantially continuous wall capable of supporting the membrane of primary sealing.
  • EP-A-0248721 discloses a thermally insulating wall structure of similar design, in which a spacer gasket made of a rigid insulating cellular material fills the gap between two adjacent sandwich panels.
  • the intermediate seal gasket is covered by the seal strip forming the secondary sealing barrier and is adhered to said strip of gasket.
  • the internal pad adhered to the strip of cover strips is coated on its outer face adjacent to the strip of cover of a fiberglass fabric bonded to said outer face to enhance the strength of the block. Since the pad is glued against the bottom formed by the shoulders of the sandwich panels and the inter-seal gasket, the fiberglass fabric of the pad is bonded to the seal strip also in the central portion of the seal strip covering the seal.
  • An idea underlying the invention is to enhance the fatigue resistance of the secondary sealing membrane of a tank of the aforementioned type, in particular at the level of the sealing strips arranged straddling the edge zones of the prefabricated panels. Indeed, because of the flexural flexibility of the material used, that is to say the capacity of the material to be folded to form waves without breaking, the sealing strips are particularly subject to deformation during the life of the tank.
  • the invention provides a tank of the aforementioned type, characterized in that the insulating pad comprises a reinforcing ply made of a composite material comprising a layer of fibers bonded by a polymer resin, the reinforcing ply having a stiffness in traction greater than or equal to the tensile stiffness of the sealing strips, the reinforcing ply being bonded to the thermal insulation layer on one side of the thermal insulating layer opposite to the rigid plate, the insulating pad being at each once fixed on the prefabricated panels by gluing the reinforcing ply onto the underlying sealing strip.
  • the insulating pad comprises a reinforcing ply made of a composite material comprising a layer of fibers bonded by a polymer resin, the reinforcing ply having a stiffness in traction greater than or equal to the tensile stiffness of the sealing strips, the reinforcing ply being bonded to the thermal insulation layer on one side of the thermal insulating layer opposite
  • the reinforcing ply consists of a composite material having a tensile stiffness greater than or equal to the tensile stiffness of the sealing strips, and because the reinforcing ply comprises a layer of fibers impregnated with a polymer resin, it makes it possible to effectively take up the tensioning forces which are established substantially parallel to the tank wall by thermal contraction and / or deformation of the carrier structure at sea.
  • the choice of a fiber composite material limits the thermal stresses generated by the reinforcing ply.
  • such a tank may comprise one or more of the following characteristics.
  • Another desirable physical property for the reinforcing strip is the relatively low coefficient of thermal expansion, which can be achieved by the choice of fibers, for example glass fibers, carbon fibers, polyester fibers and the like.
  • Another desirable physical property for the reinforcing strip is the good stickiness, which can be obtained in particular by the choice of the resin, which may for example be chosen from the group consisting of polyamides, polyether terephthalate, polyesters, polyurethanes, epoxides and their mixtures.
  • the resin which may for example be chosen from the group consisting of polyamides, polyether terephthalate, polyesters, polyurethanes, epoxides and their mixtures.
  • polyethylene and polypropylene resins are more difficult to stick reliably without any specific binding treatment.
  • the material of the reinforcing ply has a coefficient of thermal expansion ⁇ and a tensile Young's modulus E, measured at 23 ° C., such that their product satisfies: 7.10 4 Pa . K - 1 ⁇ E . ⁇ ⁇ 10 6 Pa . K - 1
  • flexural flexible composite materials such as triplex® ( E, ⁇ - 88000) are suitable for the reinforcing ply.
  • E, ⁇ - 88000 flexural flexible composite materials
  • the thermal stress in the material during the cold setting would be too high.
  • the rigidity would not be sufficient to effectively enhance the sealing strip web flexible.
  • the Young's tensile modulus E can be used, determined according to the method NF EN ISO 1421 or using extensometers.
  • the coefficient of thermal contraction ⁇ can be determined by an optical system or a comparator system mounted on an invar frame, to have a virtually zero contribution of the frame.
  • the flexible composite laminate material of the sealing strip can be made in different ways as to the composition, number and arrangement of the layers, especially with one or more metal layers and one or more layers of fibers.
  • the sealing strip is made of a flexible composite laminate material comprising a metal sheet sandwiched between two layers of glass fibers.
  • the metal foil is aluminum.
  • the two layers of glass fibers are bonded to the metal sheet by a flexible polymer resin, for example elastomer or polyurethane.
  • the reinforcing ply is made of a flexible composite laminate material comprising at least one metal sheet bonded to at least one layer of fibers, for example of the same flexible composite laminate material as the sealing strip.
  • a flexible composite laminate material comprising at least one metal sheet bonded to at least one layer of fibers, for example of the same flexible composite laminate material as the sealing strip.
  • the waterproof coating of the prefabricated panels consists of a composite rigid flexural material comprising a metal sheet sandwiched between two layers of glass fibers, the two layers of glass fibers being impregnated with a fiberglass. rigid polymer resin.
  • the metal foil is aluminum.
  • the reinforcing ply is made of a stiffer material in tension than the sealing strips.
  • a stiffer material in tension than the sealing strips.
  • a flexural rigid composite material comprising a fiber layer impregnated with a rigid polymer resin, for example polyamide, polyether terephthalate, polyester, polyurethane, epoxy and their mixtures.
  • a stiffer material in tension that the flexible watertight web of the sealing strips makes it possible to effectively take up more tensioning forces which are established substantially parallel to the tank wall by thermal contraction and / or deformation of the bearing structure at sea.
  • the same rigid composite laminate material can be used for the watertight coating and the reinforcing ply, which facilitates the supply and the quality control of the materials.
  • the vessel wall comprises a gap located between the first layers of thermal insulation of two adjacent prefabricated panels and a strip of stuffing material disposed in the gap, the sealing strip which completes the membrane of secondary sealing between the prefabricated panels has a central portion crossing the gap above the web of stuffing material, the central portion of the sealing strip not being adhered to the web of stuffing material, and the reinforcing ply has a central portion covering the central portion of the sealing strip and not being adhered to the central portion of the sealing strip.
  • the central portion of the sealing strip has a greater flexibility and greater mobility to absorb displacements caused by the thermal contraction and / or the deformation of the ship at sea.
  • a central pad of non-adhesive material may be fixed on the flexible sealing mat or on the reinforcing ply.
  • the fixing of the pad can be made in different ways, in particular by double-sided adhesive or with a sticky tape.
  • Such a pad may be of different materials, for example flexible foam elastomer type, polyurethane, polyolefins (polyethylene, polypropylene) or melamine.
  • the insulating pad further comprises a central pad of non-adhesive material fixed projecting on a surface of the reinforcement ply opposite the thermal insulation layer of the insulating pad, the insulating pad being placed on the sealing strip so that the central pad overlies the central portion of the sealing strip.
  • the sealing strip further comprises a central pad of non-adhesive material fixed projecting on a surface of the sealing strip facing the insulating pad, the insulating pad being arranged on the strip of sealing so that the central portion of the reinforcing ply covers the central pad without being glued to the central pad.
  • Polyurethane foams are particularly suitable materials because of their low temperature resistance and low thermal conductivity.
  • the polyurethane foam is reinforced with embedded fibers, for example glass fibers.
  • the thermal insulation consists of a polyurethane foam having a density greater than 130 kg / m 3 , for example between 130 and 210 kg / m 3 .
  • Such a tank can be part of a land storage facility, for example to store LNG or be installed in a floating structure, coastal or deep water, including a LNG tank, a floating storage and regasification unit (FSRU) , a floating production and remote storage unit (FPSO) and others.
  • FSRU floating storage and regasification unit
  • FPSO floating production and remote storage unit
  • a vessel for the transport of a cold liquid product comprises a double hull and a aforementioned tank disposed in the double hull.
  • the invention also provides a method of loading or unloading such a vessel, in which a cold liquid product is conveyed through isolated pipes from or to a floating or land storage facility to or from the vessel vessel.
  • the invention also provides a transfer system for a cold liquid product, the system comprising the abovementioned vessel, insulated pipes arranged to connect the vessel installed in the hull of the vessel to a floating storage facility. or terrestrial and a pump for driving a flow of cold liquid product through the insulated pipelines from or to the floating or land storage facility to or from the vessel vessel.
  • this method may include one or more of the following features.
  • the insulating pad further comprises a central pad of non-adhesive material fixed projecting on a surface of the reinforcement ply opposite the thermal insulating layer of the insulating pad, the method further comprising the step of bonding the reinforcing ply of the pavement isolating on either side of the central pad without gluing the central pad, and arranging the insulating pad on the sealing strip so that the central pad covers the central portion of the sealing strip without adhering thereto.
  • the sealing strip further comprises a central pad of non-adhesive material fixed projecting on a surface of the sealing strip facing the insulating pad, the method further comprising the step of gluing the sealing strip on either side of the central pad without gluing the central pad, and arranging the insulating pad on the sealing strip so that the central portion of the reinforcing ply covers the central pad without being glued to the central pad.
  • Such a wall structure can be used to make substantially all the walls of a polyhedral vessel.
  • the terms 'on', 'above', 'upper' and 'high' generally refer to a position located inwardly of the vessel and therefore do not necessarily coincide with the notion of high in the terrestrial gravitational field.
  • the terms 'sub', 'below', 'lower' and 'lower' generally refer to a position located outside the vessel and therefore do not necessarily coincide with the notion of low in the gravitational field. earthly.
  • the prefabricated panels 54 are fixed on the supporting structure juxtaposed in a repeated pattern.
  • a panel 54 each comprises an element of the secondary insulating barrier 51, an element of the secondary sealed barrier and an element of the primary insulating barrier 53.
  • a panel 54 has substantially the shape of a rectangular parallelepiped. It consists of a first plate 9 mm plywood 9 mm thick surmounted by a first layer of thermal insulation 56, itself surmounted by a rigid waterproof coating 52 including an aluminum sheet of 0, 07 mm thick sandwiched between two glass fiber fabrics impregnated with a polyamide resin.
  • the waterproof coating 52 is bonded to the thermal insulation layer 56, for example using a two-component polyurethane adhesive.
  • a second layer of thermal insulation 57 is adhered to the waterproof coating 52 and itself carries a second plywood plate 58 of 12 mm thickness.
  • the subassembly 55-5E constitutes the secondary insulation barrier element 51.
  • the subassembly 57-58 constitutes the insulation barrier element primary 53 and has, in plan, a rectangular shape whose sides are parallel to those of the secondary insulation barrier element 51.
  • the two insulation barrier elements have, seen in plan, the shape of two rectangles having the same center.
  • the member 53 reveals a peripheral rim surface 59 of the impervious liner 52 all around the member 53.
  • the impervious liner 52 forms the secondary sealing membrane member.
  • the panel 54 which has just been described, may be prefabricated to form an assembly in which the various components are glued to one another in the arrangement indicated above. This set therefore forms the secondary barriers and the primary insulation barrier.
  • the thermal insulation layers 56 and 57 may be constituted by a cellular plastic material such as a polyurethane foam. Preferably, glass fibers are embedded in the polyurethane foam to reinforce it.
  • wells 60 are regularly distributed over the two longitudinal edges of the panel to cooperate with studs fixed on the supporting structure 99 according to the known technique.
  • the carrying structure 99 especially in the case of a ship, has deviations from the theoretical surface provided for the bearing structure simply because of manufacturing inaccuracies.
  • these gaps are made up by placing the panels 54 in abutment against the supporting structure by means of polymerizable resin strands 61, which make it possible, from a surface of imperfectly bearing structure, to obtain a covering consisting of by adjacent panels 54 having second plates 58 which, as a whole, define a surface substantially devoid of the desired theoretical surface.
  • the wells 60 are closed by inserting plugs of thermal insulating material 62, these plugs flush with the first layer of thermal insulation 56 of the panel 54.
  • a heat insulating material 63 consisting of, for example, a sheet of plastic foam or glass wool inserted into the gap.
  • a flexible waterproof strip 65 is placed on the peripheral rims 59 adjacent to two adjacent panels 54, and the sealing strip 65 is bonded to the peripheral rims 59 so as to seal the perforations located at the right of each well 60 and covering the gap between the two panels 54.
  • the waterproof strip 65 is made of a composite material called triplex® flexible comprising three layers: the two outer layers are fiberglass fabrics and the intermediate layer is a thin metal sheet, for example an aluminum foil with a thickness of about 0.1 mm. This metal sheet ensures the continuity of the secondary waterproofing membrane.
  • insulating pavers 66 each consisting of a thermal insulation layer 67 coated with a rigid plywood plate 68 on an upper surface of the insulating pad 66 and a sheet reinforcement on the lower surface of the insulating pad 66. The reinforcing ply not visible on the figure 1 will be described with reference to Figures 2 to 4 .
  • the insulating pavers 66 have a dimension such that they completely fill the area located above the peripheral rims 59 of two adjacent panels 54.
  • the insulating blocks 66 are glued on the sealing strips 65. After being put in place, the plate 68 provides a relative continuity between the plates 58 of two adjacent panels 54 for supporting the primary waterproofing membrane.
  • These insulating pavers 66 have a width equal to the distance between two elements 53 of two adjacent panels 54 and may have a greater or lesser length. A reduced length allows, if necessary, an easier implementation in the event of a slight misalignment of two panels 54 adjacent.
  • the blocks 66 are glued to the sealing strip 65 and resting on it.
  • the primary sealing membrane is formed of an embossed sheet membrane 69 having two series of intersecting corrugations to give it sufficient flexibility in both directions of the plane of the vessel wall.
  • the insulating pavers 66, the watertight strip 65 and the thermal insulation materials 62 and 63 are shown in an exploded form and thus appear above their actual position in the assembled end-wall of the tank. The final positions of these elements are better visible on the figure 3 which will be described below.
  • figure 2 partially represents the two prefabricated panels 54 fixed on the supporting structure 99 in their final position, while the insulating pad 66, the reinforcing ply 1 of the insulating pad 66 and the sealing strip 65 are shown in the disassembled state above their final position.
  • the figure 3 represents all the elements in their final assembled position.
  • the thicknesses of the watertight coating 52, the watertight strip 65, the reinforcing ply 1 and the corresponding glue layers have been exaggerated for the sake of visibility.
  • the reinforcing ply 1 is bonded to the lower surface 2 of the thermal insulating layer 67 by means of a glue layer 3. This gluing can be done in prefabrication in order to deliver to the assembly site of the tank a insulating pad 66 already comprising the reinforcing ply 1.
  • the glue 3 is for example an epoxy or polyurethane glue.
  • the glue 5 is for example a relatively viscous epoxy or polyurethane glue, which makes it possible to apply a layer that is thick enough to take up the surface irregularities of the reinforcing ply 1. It is indeed important that, in the assembled state, the Rigid plates 68 and 58 generally provide a flat surface support surface for uniformly supporting the primary waterproofing membrane 69, which is made of a thin and relatively brittle material.
  • the layer of adhesive 5 in line with the central portion 6 of the sealing strip 65, so as to preserve the elasticity and mobility of this central portion 6 by not sticking any of its two faces.
  • the figure 4 represents a second embodiment of the vessel wall at the junction between two prefabricated panels 54 in which the insulating pad has been modified to avoid applying the adhesive layer 5 to the plumb with the central portion 6 of the 65.
  • the elements identical or similar to those of the previous embodiment have the same reference numeral.
  • the insulating pad 66 additionally carries a non-adhesive pad 10, made for example of polymer foam or thick paper, which is bonded to the lower surface of the reinforcing ply 1, at a central line of the insulating pad 66 intended to to cover the central portion 6 of the sealing strip 65.
  • the gluing of the pad 10 to the reinforcing ply 1 can be made in different ways, for example by means of a glue line 11 or a double-sided tape or by providing the pad 10 with an adhesive tape.
  • the pad 10 can also be assembled in prefabrication to minimize the operations to be performed on the assembly site of the tank.
  • the lower surface of the reinforcement ply 1 is glued with the adhesive layer 5 on either side of the non-adhesive pad 10, without adhering the non-adhesive pad 10.
  • the upper surface of the central portion 6 of the strip waterproof 65 is in contact with the non-adhesive pad 10 without being glued, which promotes its flexibility and mobility to absorb displacement of thermal origin.
  • the shoe 10 is fixed, not on the reinforcing ply 1, but on the flexible ply 65, for example with a double-sided tape or an adhesive tape to ensure its positioning.
  • the figure 5 represents the breaking force of the sealing strip 65 expressed in kilo Newton (kN) as a function of the average service life of the vessel wall, expressed as an average number of cold-running cycles.
  • kN kilo Newton
  • the thermal insulation of the layers 56, 57 and 67 is a polyurethane foam reinforced with glass fibers with a density of 130 kg / m 3 .
  • the thickness of the primary insulating barrier is 150 mm.
  • the thickness of the secondary insulating barrier is 250 mm.
  • the operating temperature of the secondary membrane is approximately - 80 ° C.
  • Glue 4 is a two-component polyurethane glue provided by Bostik under the reference XPU 18411 A / 3B.
  • the central portion of the reinforcing ply 1 is also bonded to the waterproof band 65. This material is usually packaged in flat plates, because of its relative rigidity.
  • the adhesive 3 is a two-component polyurethane adhesive supplied by Henkel under the reference Macroplast 8202/5400.
  • the adhesive 5 is an epoxy resin supplied by the company Unitech under the reference UEA 100/300.
  • An endurance test is performed in the form of a series of cold-reheat cycles between the ambient temperature and the LNG temperature (-162 ° C).
  • the watertight strip 65 holds 70000 cycles before crossing a threshold of reference effort shown by the line 12 of the figure 5 . This threshold corresponds to the breakage of a material of the whole of the insulation.
  • Curve 14 of the figure 5 is an average fatigue curve for the watertight strip 65.
  • the reinforcing ply 1 and the glue layer 3 are removed. For the rest, the data of example 1 are retained.
  • the watertight strip 65 holds 35000 cycles before crossing the reference stress threshold shown by the line 12 of the figure 5 .
  • Curve 15 of the figure 5 is an average fatigue curve for the watertight strip 65 resulting from the extrapolation of Comparative Example 1.
  • the service life of the watertight strip 65 obtained in Comparative Example 1 is less than 50% of the service life obtained. in example 1.
  • a numerical simulation of the tank wall at the operating temperature predicts a tension stress in the sealing strip 65 of the order of 74 MPa, which is also very largely below the breaking stress of the flexible triplex®, close to 200 MPa.
  • the technique described above for producing a tank wall can be used in different types of tanks, for example to form an LNG tank in a land installation or in a floating structure such as a LNG tank or other.
  • a cutaway view of a LNG tanker 70 shows a sealed and insulated tank 71 of generally prismatic shape mounted in the double hull 72 of the ship.
  • the wall of the tank 71 comprises a primary waterproof membrane intended to be in contact with the LNG contained in the tank, a secondary sealed membrane arranged between the primary waterproof membrane and the double hull 72 of the ship, and two insulating barriers arranged respectively between the primary waterproof membrane and the secondary waterproof membrane and between the secondary waterproof membrane and the double shell 72.
  • loading / unloading lines 73 arranged on the upper deck of the ship can be connected, by means of appropriate connectors, to a marine or port terminal to transfer a cargo of LNG from or to the tank 71.
  • the figure 6 represents an example of a marine terminal comprising a loading and unloading station 75, an underwater pipe 76 and an onshore installation 77.
  • the loading and unloading station 75 is an off-shore fixed installation comprising a movable arm 74 and a tower 78 which supports the movable arm 74.
  • the movable arm 74 carries a bundle of insulated flexible pipes 79 that can connect to the loading / unloading pipes 73.
  • the movable arm 74 can be adapted to all gauges LNG carriers.
  • a conduct of link not shown extends inside the tower 78.
  • the loading and unloading station 75 allows the loading and unloading of the LNG carrier 70 from or to the onshore installation 77.
  • the underwater line 76 allows the transfer of the liquefied gas between the loading or unloading station 75 and the installation on land 77 over a large distance, for example 5 km, which keeps the LNG tanker 70 at a great distance from the coast during the loading and unloading operations.
  • pumps on board the ship 70 and / or pumps equipping the shore installation 77 and / or pumps equipping the loading and unloading station 75 are used.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
EP15732604.2A 2014-06-25 2015-06-23 Cuve etanche et isolante et son procede de fabrication Active EP3161370B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL15732604T PL3161370T3 (pl) 2014-06-25 2015-06-23 Szczelny i izolacyjny zbiornik i sposób jego wytwarzania

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FR1455937A FR3022971B1 (fr) 2014-06-25 2014-06-25 Cuve etanche et isolante et son procede de fabrication
PCT/EP2015/064144 WO2015197638A1 (fr) 2014-06-25 2015-06-23 Cuve etanche et isolante et son procede de fabrication

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EP3161370A1 EP3161370A1 (fr) 2017-05-03
EP3161370B1 true EP3161370B1 (fr) 2017-12-20

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US (1) US10267455B2 (ja)
EP (1) EP3161370B1 (ja)
JP (1) JP6585635B2 (ja)
KR (1) KR102397134B1 (ja)
CN (1) CN106461158B (ja)
AU (1) AU2015279270B2 (ja)
ES (1) ES2657799T3 (ja)
FR (1) FR3022971B1 (ja)
MY (1) MY179675A (ja)
NO (1) NO3161370T3 (ja)
PH (1) PH12016502450A1 (ja)
PL (1) PL3161370T3 (ja)
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RU (1) RU2682230C2 (ja)
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Publication number Publication date
RU2682230C2 (ru) 2019-03-15
ES2657799T3 (es) 2018-03-06
KR102397134B1 (ko) 2022-05-12
AU2015279270A1 (en) 2017-01-12
PL3161370T3 (pl) 2018-05-30
CN106461158B (zh) 2019-12-03
MY179675A (en) 2020-11-11
US10267455B2 (en) 2019-04-23
RU2016150149A3 (ja) 2019-01-17
CN106461158A (zh) 2017-02-22
AU2015279270B2 (en) 2018-11-29
PH12016502450B1 (en) 2017-03-06
RU2016150149A (ru) 2018-07-26
WO2015197638A1 (fr) 2015-12-30
JP6585635B2 (ja) 2019-10-02
FR3022971B1 (fr) 2017-03-31
US20170138537A1 (en) 2017-05-18
EP3161370A1 (fr) 2017-05-03
PT3161370T (pt) 2018-02-16
JP2017526867A (ja) 2017-09-14
FR3022971A1 (fr) 2016-01-01
NO3161370T3 (ja) 2018-05-19
PH12016502450A1 (en) 2017-03-06
SG11201610486RA (en) 2017-01-27
KR20170021833A (ko) 2017-02-28

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