EP2956352A1 - Abgedichtete und wärmeisolierende wand für einen tank zur lagerung von fluiden - Google Patents

Abgedichtete und wärmeisolierende wand für einen tank zur lagerung von fluiden

Info

Publication number
EP2956352A1
EP2956352A1 EP14705850.7A EP14705850A EP2956352A1 EP 2956352 A1 EP2956352 A1 EP 2956352A1 EP 14705850 A EP14705850 A EP 14705850A EP 2956352 A1 EP2956352 A1 EP 2956352A1
Authority
EP
European Patent Office
Prior art keywords
panel
insulating panel
slot
heat insulating
relaxation
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
EP14705850.7A
Other languages
English (en)
French (fr)
Other versions
EP2956352B1 (de
EP2956352B8 (de
Inventor
Antoine PHILIPPE
Bruno Deletre
Johan Bougault
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
Publication of EP2956352A1 publication Critical patent/EP2956352A1/de
Publication of EP2956352B1 publication Critical patent/EP2956352B1/de
Application granted granted Critical
Publication of EP2956352B8 publication Critical patent/EP2956352B8/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
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/001—Thermal insulation specially adapted for cryogenic vessels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B3/00—Hulls characterised by their structure or component parts
    • B63B3/14—Hull parts
    • B63B3/68—Panellings; Linings, e.g. for insulating purposes
    • 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
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00—Component parts, details or accessories for large containers
    • B65D90/02—Wall construction
    • B65D90/027—Corrugated or zig-zag structures; Folded plate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00—Component parts, details or accessories for large containers
    • B65D90/22—Safety features
    • 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
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/08—Mounting arrangements for vessels
    • F17C13/082—Mounting arrangements for vessels for large sea-borne storage vessels
    • 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
    • F17C3/04—Vessels not under pressure with provision for thermal insulation by insulating 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
    • F17C6/00—Methods and apparatus for filling vessels not under pressure with liquefied or solidified gases
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00—Component parts, details or accessories for large containers
    • B65D90/02—Wall construction
    • B65D90/06—Coverings, e.g. for insulating purposes
    • 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
    • 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
    • F17C2203/0626—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
    • F17C2203/0636—Metals
    • F17C2203/0648—Alloys or compositions of metals
    • F17C2203/0651—Invar
    • 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
    • F17C2227/04—Methods for emptying or filling
    • 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
    • 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
    • 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
    • F17C3/00—Vessels not under pressure
    • F17C3/02—Vessels not under pressure with provision for thermal insulation

Definitions

  • the invention relates to the field of tanks, sealed and thermally insulating, for the storage and / or transport of fluid, such as a cryogenic fluid.
  • the invention relates more particularly to the field of tanks whose sealing is performed via metal membranes having corrugations conferring flexibility and elongation capacity in one or more directions of a plane.
  • Such tanks are used in particular for the transport or storage of liquefied natural gas (LNG) which is stored at atmospheric pressure at about -162 ° C.
  • LNG liquefied natural gas
  • Patent Application FR 2 861 060 sealed and thermally insulating vessels, for the transportation and / or storage of cryogenic fluid, comprising heat-insulated panels covered by a corrugated waterproofing membrane.
  • the sealing membrane has an inner face, intended to be in contact with the fluid contained in the tank, and an outer face, anchored to the inner face of the heat insulating panel.
  • the waterproofing membrane is made of a plurality of metal plates, made of stainless steel, having series of perpendicular corrugations to absorb the forces.
  • the corrugated plates are welded to one another along their edges and are anchored to the panels by welding the edges of the plates to strips, also of stainless steel, riveted to said heat insulating panels.
  • the inner face of the heat-insulating panels has slits extending in the direction transverse to the length of the vessel, over the entire length of the heat-insulated panels. Such slots allow a deformation of the corrugations without the insulating panels do not crack during the cold setting of the tank.
  • An idea underlying the invention is to provide a waterproof and thermally insulating wall, corrugated membrane, resistant to low temperatures and having a limited flexion during its cold setting.
  • the invention provides a wall, sealed and thermally insulating, for a fluid storage tank comprising:
  • a sealing plate having an internal face intended to be in contact with the fluid contained in the tank, and an external face anchored on the internal face of the panel at a plurality of anchoring zones, said sealing plate comprising at least one undulation protruding from the side of the internal face of the sealed plate, extending in a direction di; in which :
  • the inner face of the heat-insulating panel comprises, between two adjacent anchoring zones disposed on either side of said undulation, a relaxation slot having an axis extending in the direction di so as to allow a deformation of the ripple transverse to the di direction;
  • the relaxation slot has a length less than the size of the lagging panel in the axis of the relaxation slot.
  • the corrugation gives the waterproofing membrane flexibility allowing it to deform, in particular under the effect of the bending of the heat-insulating panels and the thermal contraction of the waterproofing membrane.
  • the relaxation slot allows to take full advantage of this wave, since it allows a deformation of the waterproofing membrane without imposing excessive mechanical stresses on the heat insulating panel.
  • a cryogenic fluid such as liquefied natural gas
  • the difference in temperature between the outside of the tank and the interior generates a thermal gradient within the heat insulating panels.
  • This thermal gradient can cause the bending of the heat insulating panels and thus the bending of the waterproofing membrane.
  • a relaxation slot not extending over the entire width or length of the panel makes it possible to maintain a certain rigidity to the panel and therefore limits the impact of a relaxation slot on the flexibility of the panel. thermal insulation panel under thermal loading.
  • such a sealed and thermally insulating wall may comprise one or more of the following characteristics:
  • the relaxation slot is a through slot that opens on the outer side of the lagging panel.
  • the relaxation slot is a blind slot does not open on the outer face of the panel and having ends with a leave.
  • the sealed plate comprises a corrugation extending in a direction d2 perpendicular to the direction d1, the inner face of the lagging panel comprising, between two adjacent anchoring zones extending on either side of said extending corrugation, in the direction d2, a relaxation slot having an axis extending in the direction d2 and having a length less than the dimension of the heat insulating panel in the axis of said relaxation slot.
  • the sealed plate comprises a first series of corrugations extending in the direction di and a second series of corrugations extending in the direction d 2 , the outer face of the waterproof plate being anchored on the inner face of the heat insulating panel; at a plurality of anchoring zones disposed between corrugations of the first and second series, the inner face of the heat insulating panel comprising, between each pair of adjacent anchoring zones extending on either side a corrugation, a relaxation slot, having an axis which extends in the direction ⁇ ⁇ or d 2 of said corrugation, and having a length less than the dimension of the heat insulating panel in the axis of said relaxation slot.
  • a relaxation slot has a length corresponding to the distance between two intersections of corrugations in the direction d- ⁇ or d 2 of the relaxation slot.
  • the anchoring zones are aligned along two intersecting edges of the metal plate.
  • a relaxation slot adjacent to the intersection between the alignments of anchoring zones, has an additional portion extending in a median direction d3 to the directions d1 or d2.
  • the watertight plate is a metal plate and the inner face of the heat insulating panel comprises, at the anchor zones, metal anchor plates for welding the waterproof plate on the heat insulating panel.
  • the heat insulating panel comprises a layer of insulating polymer foam sandwiched between two plywood boards.
  • the heat insulating panel constitutes a primary insulating barrier of the wall, the wall further comprising a secondary waterproof and insulating barrier, the heat insulating panel being attached to the secondary waterproof and insulating barrier by an attachment member cooperating with a central zone of the panel, away from the edges of the panel.
  • the heat insulating panel comprises, in a central zone, fixing members to a supporting structure.
  • the invention also provides a fluid storage tank comprising a supporting structure and at least one wall as mentioned above fixed on the supporting structure.
  • 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 transporting a fluid comprises a double shell forming the carrier structure and a said tank disposed in the double hull.
  • the invention also provides a use of a aforesaid vessel, in which a fluid is conveyed through pipes. isolated from or to a floating or land storage facility to or from the vessel to load or unload the vessel.
  • the invention also provides a transfer system for a fluid, the system comprising the abovementioned vessel, insulated pipes arranged to connect the vessel installed in the hull of the vessel to a floating or ground storage facility. and a pump for driving fluid flow through the insulated pipelines from or to the floating or land storage facility to or from the vessel vessel.
  • the invention is particularly advantageous when the means for attaching the heat-insulating panels to the supporting structure are not capable of taking up the bending stresses of the heat-insulating element, for example when the heat-insulating panel is not not fixed in its peripheral zone, but only at a central zone of its external surface.
  • the invention also makes it possible to obtain a better aging behavior of the insulating foam of the heat-insulating panels. Indeed, since the relaxation slots do not extend over the entire length or the width of the heat-insulating panels, the exchange surface between the insulating foam and the ambient air is restricted so that the diffusion of the expansion gas outside the cells of the foam and the air migration in these are limited.
  • Figure 1 is a perspective view of a heat insulating panel.
  • FIGS. 2, 3 and 4 are detailed views, according to three variant embodiments, of a heat insulating panel in the area receiving the angles of the metal plates.
  • Figure 5 is a view of a sealed and thermally insulating wall, in cross section passing through a relaxation slot.
  • FIG. 6 is a view similar to that of FIG. 5 with a relaxation slot according to another embodiment.
  • Figure 7 is a perspective view of a corrugated metal plate of the waterproofing membrane.
  • Figure 8 is a plan view illustrating the relative positioning of a metal plate of the waterproofing membrane with respect to a heat insulating panel.
  • Figure 9 is a perspective view of a heat insulating panel attached to the carrier structure in its central area.
  • FIG. 10 is a detailed perspective view of the fasteners to the load-bearing structure of the heat insulating panel of FIG. 9.
  • Figure 11 is a longitudinal sectional view of the heat insulating panel of Figures 9 and 10 at the fasteners to the supporting structure.
  • Figure 12 is a schematic cutaway representation of a LNG tank tank and a loading / unloading terminal of the tank.
  • Each tank wall has successively, in the direction of the thickness, from the inside towards the outside of the tank, at least one sealing membrane, in contact with the fluid contained in the tank, a thermally insulating barrier and a bearing structure, not shown.
  • a wall may also include two levels of sealing and thermal insulation.
  • Figure 1 shows a heat insulating panel 1.
  • the panel 1 here has substantially a rectangular parallelepiped shape. It comprises a layer of insulating polymeric foam 2 sandwiched between an inner rigid plate 3 and an outer rigid plate 4.
  • the inner rigid plates 3 and outer 4 are, for example, plywood plates bonded to said foam layer 2
  • the insulating polymer foam may in particular be a foam based on polyurethane.
  • the polymer foam may advantageously be reinforced by glass fibers contributing to reducing its thermal contraction.
  • the panel 1 has a length of 3 meters and a width of 1 meter.
  • the inner plate 3 of plywood may have a thickness of 12 mm; the outer plate 4 of plywood: a thickness of 9 mm, and the insulating foam layer 2: a thickness of 200 mm.
  • the dimensions and thicknesses are given as an indication and vary depending on the desired applications and thermal insulation performance.
  • the inner surface of the panel 1 comprises metal plates 5, 6 for anchoring metal plates 7, an example of which is illustrated in FIG. 7, constituting the waterproofing membrane.
  • Metal plates 5 extend longitudinally on the inner plate 3 of the panel 1 and metal plates 6 extend transversely.
  • the metal plates 5, 6 are, for example, riveted to the inner plate 3 of the panel 1.
  • the metal plates 5, 6 may in particular be made of stainless steel or Invar ®: an alloy of iron and nickel whose main property is to have a very low coefficient of expansion.
  • the thickness of the metal plates 5, 6 is, for example, of the order of 2 mm.
  • a thermal protection strip, not shown, can be placed under the metal plates 5, 6.
  • the anchoring between the metal plate 7 and the metal plates 5, 6 is achieved by pointing welds.
  • the sealing membrane is obtained by assembling multiple metal plates 7, welded to each other along their edges.
  • a metal plate 7 comprises a first series of parallel corrugations, referred to as low ripples 8, extending in a direction y and a second series of parallel corrugations, referred to as high 9, extending in one direction. x.
  • the x and y directions of the series of corrugations 8, 9 are perpendicular.
  • the corrugations 8, 9 protrude from the side of the internal face of the metal plate 7.
  • the edges of the metal plate 7 are here parallel to the corrugations 8 and 9.
  • the metal plate 7 comprises between the corrugations 8, 9 a plurality of surfaces planes 11.
  • the terms “high” and “low” have a relative meaning and mean that the first set of corrugations 8 has a height less than the second set of corrugations 9.
  • the low ripple is discontinuous, that is to say it is interrupted by a fold which extends the ridge of the top of the high corrugation 9 protruding above the ridge 8, 9 allow the waterproofing membrane to be substantially flexible in order to be deformable under the effect of the stresses, including thermal, generated by the fluid stored in the tank.
  • the metal plate 7 is made of stainless steel sheet or aluminum, shaped by folding or stamping. Other metals or alloys are also possible.
  • the metal plate 7 has a thickness of about 1.2 mm. Other thicknesses are also conceivable, knowing that a thickening of the metal plate 7 causes an increase in its cost and generally increases the rigidity of the corrugations.
  • the metal plate 7 has a stamped strip, not shown, which is shifted inwards in the thickness direction by relative to the plane of the plate 7 in order to cover the edge of an adjacent metal plate 7.
  • FIG. 8 A relative positioning of a metal plate 7 with respect to a heat insulating panel 1 is illustrated in FIG. 8.
  • the metal plates 7 are here arranged in a staggered manner, of a half-length and a half-width with respect to heat insulating panel 1.
  • a wall therefore comprises a plurality of heat-insulating panels 1 and a plurality of metal plates 7 and each of said metal plates 7 extends over four adjacent heat insulating panels 1.
  • One of the longitudinal edges 12 of the metal plate 7 is anchored on the heat insulating panel 1, by welding said longitudinal edge 12 on the metal plates 5.
  • one of the transverse edges 13 is anchored to the heat insulating panel 1, by welding said edge transversal 13 on the metal plates 6.
  • the anchoring zones 14 between the metal plate 7 and the heat insulating panel 1 are located on either side of the corrugations 8, 9.
  • the anchoring zones 14 are formed at the interface between planar portions 11 of the edges 12, 13 metal plates 7, extending on either side of the corrugations 8, 9, and the metal plates 5, 6.
  • each series of corrugations 8, 9 extends vis-à-vis the junction between two heat insulating panels 1 adjacent.
  • the inner surface of the heat-insulating panel 1 is provided with a plurality of relaxation slots 15, 16.
  • a first series of relaxation slots 15 extends in the y-direction of the corrugations 8.
  • a second series of relaxation slots 16 is provided. extends in the direction x of the corrugations 9.
  • the relaxation slots 15, 16 here extend in relation to their respective undulations 8, 9.
  • the relaxation slots 15, 16 are thus arranged to allow a deformation of their respective undulation 8, 9 in a direction transverse to their direction. Indeed, without relaxation slot 15, 16, any undulation 8, 9 bordered by anchoring zones 14 can not deform without imposing significant mechanical stresses on the heat insulating panel 1.
  • the relaxation slots 15, 16 have lengths smaller than the size of the heat insulating panel 1 along their axis. In other words, the relaxation slots 15, 16 do not extend to the periphery of the heat insulating panel 1.
  • the length of a relaxation slot 15, 16 substantially corresponds to the pitch between two intersections 10 waves in the direction of the slot 15, 16.
  • the relaxation slot 15 is a through slot extending over the entire thickness of the heat insulating panel and opening, therefore, on the outer face of the panel 1.
  • Such a relaxation slot 15 makes it possible to confer on the sealing membrane a considerable flexibility with respect to the deformations of the heat insulating panel 1 while maintaining a continuity of the internal rigid plate 3 in certain zones thereof. This continuity allows to limit the flexibility of the heat insulation panel 1 under thermal loading. It also helps to relieve plaque sticking rigid 3, 4 on the foam layer 2 and therefore limit the breaking primers.
  • the relaxation slot 15 is a blind slot does not open on the outer face of the panel. Such a relaxation slot 15 extends substantially to half the thickness of the heat insulating panel 1. In order to limit the stress concentrations at the bottom of the ends 17, 18 of the slot 15, the ends 17, 18 of the relaxation slot 15 have a leave. In order to achieve these holidays, the relaxation slot 15 is typically made with a circular saw.
  • Figures 2 to 4 illustrate, in detail, the intersection zone between the alignment axis of metal plates 5 extending longitudinally to the panel 1 and the alignment axis of metal plates 6 extending transversely. This intersection zone corresponds to the zone for fixing an angle of the metal plate 7. In the embodiments of FIGS. 2 and 4, the relaxation slots
  • the manufacture of heat insulating panels 1 can be carried out according to various embodiments.
  • the inner 3 and outer 4 plates are, for example, glued on either side of the insulating polymer foam layer 2 and then the relaxation slots 15, 16 are cut.
  • the metal plates 5, 6 are fixed, for example by riveting, on the internal rigid plate 3.
  • the slits 15, 16 may be cut by means of a slotting device or any other suitable device such as water jet, laser, jigsaw, coping saw, milling machine, circular saw, or other.
  • Figures 9 to 1 1 illustrate a heat insulating panel 1 comprising in its central zone, fixing members to the supporting structure.
  • the insulating panel 1 has, in its central zone, an orifice 19 receiving a stud 20 fixed to the supporting structure or a secondary sealed and thermally insulating barrier, itself fixed to the supporting structure, when the tank has two levels of sealing and thermal insulation.
  • the stud 20 comprises a threaded portion cooperating with a nut 21.
  • the orifice 19 has a shoulder 22.
  • One or more flat washers and / or belleville washers 23 are inserted between the nut 21 and the shoulder 22.
  • the housing 22 is here closed by a shutter disc 24.
  • a sealed and thermally insulating tank may comprise one or more walls as described above.
  • 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 cutaway view of a LNG tank 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 sealed barrier intended to be in contact with the LNG contained in the tank, a secondary sealed barrier arranged between the primary waterproof barrier and the double hull 72 of the ship, and two insulating barriers arranged respectively between the primary watertight barrier and secondary watertight barrier and entered secondary watertight barrier and double hull 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 loading and unloading station 75 is a fixed off-shore installation comprising an arm mobile 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 of LNG carriers .
  • a connection pipe (not shown) extends inside the tower 78.
  • the loading and unloading station 75 enables the loading and unloading of the LNG tank 70 from or to the shore facility 77.
  • the underwater line 76 allows the transfer of the liquefied gas between the loading or unloading station 75 and the onshore installation 77 over a large distance, for example 5 km, which makes it possible to keep the tanker vessel 70 at great distance from the coast during the loading and unloading operations.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Building Environments (AREA)
EP14705850.7A 2013-02-14 2014-01-30 Fluiddichte und thermisch isolierte wand für einen tank für fluide Active EP2956352B8 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1351263A FR3001945B1 (fr) 2013-02-14 2013-02-14 Paroi etanche et thermiquement isolante pour cuve de stockage de fluide
PCT/FR2014/050169 WO2014125186A1 (fr) 2013-02-14 2014-01-30 Paroi, etanche et thermiquement isolante, pour cuve de stockage de fluide

Publications (3)

Publication Number Publication Date
EP2956352A1 true EP2956352A1 (de) 2015-12-23
EP2956352B1 EP2956352B1 (de) 2017-04-12
EP2956352B8 EP2956352B8 (de) 2017-11-29

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EP14705850.7A Active EP2956352B8 (de) 2013-02-14 2014-01-30 Fluiddichte und thermisch isolierte wand für einen tank für fluide

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US (1) US10876687B2 (de)
EP (1) EP2956352B8 (de)
JP (1) JP6368325B2 (de)
KR (1) KR102055347B1 (de)
CN (1) CN104955722B (de)
AU (1) AU2014217705B2 (de)
ES (1) ES2629034T3 (de)
FR (1) FR3001945B1 (de)
MY (1) MY175331A (de)
PL (1) PL2956352T3 (de)
PT (1) PT2956352T (de)
RU (1) RU2631746C2 (de)
SG (1) SG11201505985RA (de)
WO (1) WO2014125186A1 (de)

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Publication number Publication date
RU2631746C2 (ru) 2017-09-26
EP2956352B1 (de) 2017-04-12
MY175331A (en) 2020-06-19
CN104955722A (zh) 2015-09-30
CN104955722B (zh) 2017-07-11
JP2016511815A (ja) 2016-04-21
SG11201505985RA (en) 2015-09-29
KR20150119305A (ko) 2015-10-23
KR102055347B1 (ko) 2020-01-22
JP6368325B2 (ja) 2018-08-01
ES2629034T3 (es) 2017-08-07
FR3001945B1 (fr) 2017-04-28
EP2956352B8 (de) 2017-11-29
US20150354756A1 (en) 2015-12-10
RU2015135600A (ru) 2017-03-20
AU2014217705B2 (en) 2016-04-07
PL2956352T3 (pl) 2017-09-29
WO2014125186A1 (fr) 2014-08-21
US10876687B2 (en) 2020-12-29
AU2014217705A1 (en) 2015-08-13
FR3001945A1 (fr) 2014-08-15
PT2956352T (pt) 2017-06-22

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