EP0573327A1 - Vorgefertigte, flüssigkeitsdichtende und thermisch isolierende Wandstruktur für Behälter für cryogene Fluide - Google Patents

Vorgefertigte, flüssigkeitsdichtende und thermisch isolierende Wandstruktur für Behälter für cryogene Fluide Download PDF

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Publication number
EP0573327A1
EP0573327A1 EP93401304A EP93401304A EP0573327A1 EP 0573327 A1 EP0573327 A1 EP 0573327A1 EP 93401304 A EP93401304 A EP 93401304A EP 93401304 A EP93401304 A EP 93401304A EP 0573327 A1 EP0573327 A1 EP 0573327A1
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EP
European Patent Office
Prior art keywords
external
insulation
layer
joint
structure according
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
EP93401304A
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English (en)
French (fr)
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EP0573327B1 (de
Inventor
Jean-Michel Chauvin
Jean Maurice Claude
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.)
Technigaz
Nouvelle Technigaz SA
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Technigaz
Nouvelle Technigaz SA
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Publication of EP0573327A1 publication Critical patent/EP0573327A1/de
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    • 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
    • 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
    • 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
    • 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
    • F17C2203/01—Reinforcing or suspension means
    • F17C2203/011—Reinforcing means
    • F17C2203/012—Reinforcing means on or in the wall, e.g. ribs
    • 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
    • F17C2203/0354—Wood
    • 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
    • F17C2203/0634—Materials for walls or layers thereof
    • F17C2203/0636—Metals
    • F17C2203/0639—Steels
    • F17C2203/0643—Stainless steels
    • 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
    • F17C2203/0646—Aluminium
    • 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
    • F17C2203/066—Plastics
    • 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
    • F17C2205/01—Mounting arrangements
    • F17C2205/0153—Details of mounting arrangements
    • F17C2205/0184—Attachments to the ground, e.g. mooring or anchoring
    • 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
    • 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
    • F17C2260/03—Dealing with losses
    • F17C2260/031—Dealing with losses due to heat transfer
    • F17C2260/033—Dealing with losses due to heat transfer by enhancing 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
    • F17C2260/00—Purposes of gas storage and gas handling
    • F17C2260/03—Dealing with losses
    • F17C2260/035—Dealing with losses of fluid
    • F17C2260/036—Avoiding leaks
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S220/00—Receptacles
    • Y10S220/901—Liquified gas content, cryogenic

Definitions

  • the present invention relates to a prefabricated structure making it possible to produce leaktight and thermally insulating walls for a thermally insulated confinement enclosure, such as a sealed reservoir for storing and / or transporting a fluid at very low temperature, such as by example a liquefied gas or a cryogenic liquid.
  • This structure of the prior art can be mounted in the hold or double-hold of a merchant ship, whose rigid self-supporting partitions form an external support for the other elements of the structure.
  • An internal or primary waterproof barrier which defines a substantially deformable hermetic tank and designed to contain the fluid, is assembled from elements generally made of metal inside the space defined by the external partitions of the support.
  • a thermal insulation system is interposed between the external partitions and the primary barrier.
  • This insulation system comprises at least two layers of insulating and waterproof material such as plastic foam with closed cells, formed by juxtaposition of prefabricated plates.
  • the two layers of insulation are sandwiched by two load distribution panels inside the structure, for example in plywood.
  • a panel secured to the external partition is glued to a so-called “external” insulation layer, while the other panel which is secured to the internal barrier is glued to another so-called “internal” layer.
  • buffers made of the same type of material as the insulation plates are placed in the joints between the juxtaposed plates of the outer layer and are respectively covered with a strip hermetically bonded to the outer layer and generally comprising a central sheet of waterproof aluminum as well as two layers of fiberglass fabric.
  • the present invention aims to overcome the above drawbacks, by proposing a simple and economical structure in which the insulation layers are continuous and therefore perfectly sealed.
  • the subject of the invention is a prefabricated structure for forming leaktight and thermally insulating walls for the production of a heat-insulated enclosure for confining a fluid at very low temperature such as a liquefied gas, and of the type comprising a substantially flexible internal or primary waterproof barrier to which an internal distribution panel is attached, a rigid external partition forming a support for the structure and to which another said external panel is attached as well as two intermediate layers of thermal insulation sandwiched between the distribution panels and respectively said internal and external, each layer which is produced by juxtaposition of insulating plates of waterproof material such as for example a closed cell plastic foam, defines joints between the plates respectively disposed opposite a plate of the other layer, each joint of the outer insulation layer being covered rte by a strip glued between the two layers of insulation, characterized in that the external distribution panels are fixed to the external partition in particular by screws or the like, arranged opposite holes formed in the external layer at a distance from the joints, and a sealed connection made of insulating material fills and adheres hermet
  • the covering strip is formed by a continuous reinforcing sheet of glass fiber or the like, which extends over a surface substantially greater than that of the plate juxtaposed with the internal insulation layer. , opposite the joint to be covered and preferably over the entire surface of the corresponding wall formed by the structure.
  • At least one of the aforementioned connections is an insert of shape corresponding to that of the joint or of the hole to be filled, of which at least the external peripheral surface is coated with an adhesive material, preferably foaming.
  • connection is constituted by two elements which are substantially symmetrical with respect to a median plane of assembly, and whose internal surfaces of assembly facing each other are coated with adhesive material.
  • the invention is also characterized in that at least one of the aforementioned connections is formed in situ by pressure injection of the aforementioned waterproof insulation plastic material inside the hole or the joint to be filled.
  • the material forming the aforementioned fittings is injected by means of a tool bearing against the surface of the external layer of insulation opposite the external partition, and fixed to the latter facing the opening of the hole. or the join to be completed.
  • a pad made of waterproof material to which the aforementioned connection of a joint adheres hermetically is interposed between the reinforcement panel and the external partition.
  • the structure 1 is a reservoir constituted by an assembly of sealed and heat-insulated walls, in which a cryogenic liquid such as a very cold liquefied gas, such as in particular methane, can be stored.
  • a cryogenic liquid such as a very cold liquefied gas, such as in particular methane
  • the structure 1 comprises a sealed internal envelope capable of containing the fluid to be stored, which is composed by assembling prefabricated elements forming jointly for each wall of the structure 1, an internal or primary waterproof barrier 2.
  • the barrier Primary 2 is formed by thin metal elements such as stainless steel or aluminum sheet.
  • the reference numeral 2a designates ribs projecting parallel to the connections 2b between the different elements of the barrier 2, which allow the envelope formed by this barrier to be substantially flexible, in order to be able to deform under the effect of the stresses, notably thermal generated by the fluid stored therein.
  • a rigid external partition 3 of the structure 1 acts as a support for the latter.
  • this partition 3 is a self-supporting metal sheet of hold or of double hold of a merchant ship, such as an LNG carrier.
  • a merchant ship such as an LNG carrier.
  • other types of rigid partitions whose mechanical properties are appropriate, such as in particular a concrete wall in a firm ground construction, could be used as external partition supporting the structure 1.
  • a thermal insulation system generally designated at 4 is provided between the primary barrier 2 and the external partition 3.
  • the insulation or insulation system 4 of the structure 1 notably includes an internal insulation layer 42 to which is linked primary barrier 2, as well as an external insulation layer 43 secured to the external support partition 3.
  • the outer and inner layers 42, 43 are made from a waterproof thermal insulation material.
  • a plastic or synthetic foam with closed cells use a plastic or synthetic foam with closed cells.
  • a closed cell foam based on polyurethane or polyvinyl chloride in particular may be perfectly suitable for the production of these insulation layers 42,43.
  • FIG. 1 it can be seen that the two insulation layers 42, 43 are sandwiched or sandwiched between two force distribution panels 52 and 53.
  • These panels 52, 53 respectively internal and external, are for example made from of assembled pieces of plywood or laminate.
  • the internal and external panels 52 and 53 make it possible to distribute almost uniformly in the structure and in particular the insulation system 4, the forces for example linked to deformations of the external partition 3 and of the envelope defined by the internal barrier 2
  • the panel 52 is supported, and preferably glued to the upper surface (that is to say the one closest to the barrier 2) of the insulation layer 42, while the outer panel 53 is in abutment, and preferably glued to the lower surface (namely facing with the partition 3) of the insulation layer 43.
  • each insulation layer 42, 43 is formed by juxtaposition of insulating plates made of waterproof material, designated at 42a or 43a, respectively, and whose shape is generally prismatic rectangular. It goes without saying that in the corner or edge parts of the structure 1, the insulating plates 42a or 43a may be bevelled at an angle appropriate to that formed by the structure 1 at this edge, in order to form the largest possible joins. In addition, the plates 42a, 43a will be prefabricated with standard dimensions, which obviously can be modified by cutting according to the shape of the structure to be produced.
  • the insulating plates 42a, 43a are arranged end-to-end so as to define in each layer 42, 43 generally linear joints 62, 63 respectively. These joints 62, 63 generally extend along a direction plane perpendicular to the median plane of the panels 52, 53, over at least the entire thickness of the corresponding insulation layer 42, 43.
  • Each of the joints 63 formed in the layer outer is covered by a strip 70 which is interposed and glued between the two layers of insulating foam 42 and 43 and comes in line with a plate 42a of the inner layer 42.
  • the distribution panels 53 are fixed to the external partition 3, in particular by screws or the like 35, visible in FIG. 5.
  • These screws 35 shown in the other figures only by their longitudinal axis, are arranged in hole look 435, themselves formed in the outer insulation layer 43, at a distance from the joints 63 between the different juxtaposed plates 43a constituting this layer.
  • each of the joints 63 and all the holes 435 in question are filled by a fitting 80 made of thermally insulating and waterproof material.
  • These insulating and leaktight connections 80 may in particular be made of the same material or of a material similar to that of the insulation layers 42 and 43, for example ethyl vinyl acetate.
  • all the fittings 80 arranged in the joints 63 and in the holes 435 of the layer 43 are bonded to adhere tightly to the walls of the hole 435 or of the corresponding joint 63, in order to make the outer layer 43 continuous and tight over all the area defined by structure 1.
  • the secondary seal is obtained by making the plates 43a and fittings 80 hermetically integral, so that the prefabricated layer of external insulation 43 forms, after its assembly and bonding, a barrier secondary continuous and therefore perfectly waterproof.
  • joints 62 between the plates 42a of the internal insulation layer will preferably also be hermetically sealed by flexible joints (possibly glued) in liquid mastic polymerized by example.
  • the secondary barrier is formed by the entire insulation system 4.
  • each covering strip 70 must extend widely beyond the surface of the external layer 43 where the holes 435 and the joint 63 to be covered are formed.
  • each reinforcing strip 70 will be chosen so that it is substantially equal to that of the corresponding external plate 42a. It is advantageous if the imperatives of assembly of the prefabricated elements of the structure 1 allow it, to completely cover the external layer of insulation 43 with a reinforcing fabric on which the reinforcing strips 70 may be glued.
  • the fittings 80 provided for filling the holes 435 as well as the joints 63 illustrated are constituted by inserts of shape corresponding to that orifices (63, 435) to be filled in the layer 43.
  • the connection intended to be housed in the direction of the arrow F1 in the joint 63 and designated at 83 is a tight flat seal.
  • This joint in the form of a flat joint 83 has a length in the direction of the arrow F1 which is substantially equal to the thickness of the assembly formed by the layer 43 and the panels 53.
  • a pad 33 preferably made of a waterproof flexible plastic foam is interposed between the panels 53 arranged on either side of the joint 63, and the external partition 3.
  • This pad 33 the section along a transverse plane perpendicular to the median plane P of the joint 63 is trapezoidal, rests by one of its parallel faces whose surface is the smallest, against the internal face of the partition 3. Furthermore, the longitudinal edges of its most important parallel face are respectively in abutment against the external face opposite the partition 3 of one of the panels 53 contiguous to the joint 63.
  • each connector 80 is coated with a layer of suitable glue, preferably a foaming glue.
  • suitable glue preferably a foaming glue.
  • each element will be symmetrical to the other along a plane coincident with the (or one) of the median planes of the orifice 63 or 435 to be filled using this connection in several elements.
  • the fitting 83 could be formed by assembling two elements symmetrical with respect to the median plane P. The faces of these elements constituting the fitting 83 which extend along the plane P are coated with an appropriate adhesive, preferably foaming , and assembled just before mounting and gluing the fitting thus formed in the joint 63.
  • an empty space 56 is provided in the joint 63 between the insulation layer 43 and the metal shim 36 located on the side opposite the corner defined by the structure 1.
  • fittings 85 shown in FIG. 5 and intended to fill the holes 435 are in the form of cylindrical studs or logs of shape corresponding to that of each hole. Their end faces coming opposite the corresponding panel 53 are hollowed out at their center, so that the screw 35 protruding into this hole 435 can be accommodated there.
  • connection 85 an annular end surface is provided which can be brought into contact with the panel 53 constituting the bottom of the hole 435, and be hermetically bonded to this panel around the screw 35 Likewise, the cylindrical walls of the connector 85 are coated with suitable adhesive, preferably foaming, so that the latter forms, after setting the adhesive, a single sealed part with the insulating plate 43a inside which it is housed.
  • suitable adhesive preferably foaming
  • the cylindrical insert 85 can also be obtained by assembling and bonding two elements, for example made of closed-cell polyurethane foam.
  • connection filling the joint 63 between the two juxtaposed insulation plates 43a is obtained in situ. More specifically, the bottom of the joint 63 is hermetically sealed by a buffer 33 generally identical to that which has been described above.
  • An injection tool 100 is fixed to the insulation system 4, in order to close off the opening part of the joint 63.
  • the injection tool 100 is composed of a plate 103 capable of coming to hermetically bear against the face top of the insulation layer 43 by covering the joint 63, and by at least two extension studs 135 provided for fixing on the screws 35.
  • the plate 103 of the tool 100 can be pressed tightly against the outer insulation layer 43, so that the interior space defined by the joint 63 is hermetically sealed.
  • the plate 103 of the tool 100 comprises an injection mouth 160 associated with at least one vent which makes it possible to put the interior of the joint 63 into communication with a source S of insulating and waterproof plastic material capable of expand, such as preferably closed cell polyurethane.
  • the plastic material of the source S is injected under an appropriate pressure into the space defined by the joint 63, in order to fill it completely.
  • the injected expandable material designated here at 84 is dried and it adheres hermetically to the walls of the joint 63 and of the pad 33, a connection 80 has been obtained.
  • the material 84 of the connection 80 and the two plates of insulating material 43a juxtaposed to the corresponding connection 63 no longer form a single continuous part, and consequently cannot in any case allow a fluid to pass.
  • the holes 435 provided for access to the assembly or fixing screws 35 can also be filled by injection of an expandable waterproof material such as that designated at 84.
  • the material 84 can fill the joint 63 up to the flower of the outer layer of insulation 43, so that the plates 43a will be connected in a manner continues through the fitting 80 thus produced, and it will be easy to apply to a surface thus formed a reinforcing strip 70.
  • the injection pressure of the material 84 as well as the force necessary to accommodate the fittings 80 constituted by attached parts such as those which are illustrated in FIG. 5, will be chosen so that in the final position of these fittings 80 and juxtaposed plates 43a, the stresses generated by these fittings 80 inside the outer layer 43 are of negligible value, in particular with respect to the cohesive force exerted by the adhesives (including by the injected material 84) as well only by the covering strips 70 which connect the fittings 80 and the plates 43a.
  • the load distribution panel 52 is replaced by a metal angle.
  • the metal angle is made up of elements 52a of stainless metal such as treated steel or aluminum, which are juxtaposed and assembled using screws 45 ( Figure 1) which are fixed in the material of the plates 42a constituting the internal insulation layer 42 of the system 4.
  • a flexible joint 62a such as that described with reference to FIG. 1, can be interposed between the elements 42a so as to adhere to them .
  • FIG. 2 shows a planar structure 1 made up of prefabricated elements assembled in accordance with the invention.
  • the panel 52 consists of elements fixed to the corresponding insulation plates 42a by collage.
  • Metallic inserts 142 can be provided on such a panel 52 for fixing tools in particular.
  • Strips of stainless metal 166 which extend transversely to each of the elements of the panel 52 are respectively crimped in suitable housings arranged in alignment and formed in the elements which constitute this panel by juxtaposition.
  • a structure 1 was therefore obtained in accordance with the invention which, in the event of a leakage through the primary barrier 2 makes it possible to ensure that the thermal gradient in the insulation system 4 is not affected.
  • the layer 70 has only a mechanical function, it is no longer necessary to provide a sealed metal sheet sandwiched at the level of the strips and of the covering sheet.
  • the invention makes it possible to significantly reduce the costs of manufacturing tanks for cryogenic liquids in, for example, commercial ships, while guaranteeing a higher quality of insulation and sealing than could be obtained in the prior art.
  • the displacement of the secondary sealing makes it possible to use a less expensive grade of steel for the external partition. of support.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
EP93401304A 1992-05-20 1993-05-19 Vorgefertigte, flüssigkeitsdichtende und thermisch isolierende Wandstruktur für Behälter für cryogene Fluide Expired - Lifetime EP0573327B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR929206136A FR2691520B1 (fr) 1992-05-20 1992-05-20 Structure préfabriquée de formation de parois étanches et thermiquement isolantes pour enceinte de confinement d'un fluide à très basse température.
FR9206136 1992-05-20

Publications (2)

Publication Number Publication Date
EP0573327A1 true EP0573327A1 (de) 1993-12-08
EP0573327B1 EP0573327B1 (de) 1999-01-27

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EP93401304A Expired - Lifetime EP0573327B1 (de) 1992-05-20 1993-05-19 Vorgefertigte, flüssigkeitsdichtende und thermisch isolierende Wandstruktur für Behälter für cryogene Fluide

Country Status (12)

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US (1) US5501359A (de)
EP (1) EP0573327B1 (de)
JP (1) JP3788808B2 (de)
KR (1) KR100258206B1 (de)
AU (1) AU4076193A (de)
CA (1) CA2113822A1 (de)
DE (1) DE69323240D1 (de)
ES (1) ES2127799T3 (de)
FI (1) FI940259A7 (de)
FR (1) FR2691520B1 (de)
PL (1) PL302155A1 (de)
WO (1) WO1993023699A1 (de)

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FR3163708A1 (fr) 2024-06-25 2025-12-26 Gaztransport Et Technigaz Cuve étanche et thermiquement isolante de stockage de gaz liquéfié
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FR2724623A1 (fr) * 1994-09-20 1996-03-22 Gaztransport Et Technigaz Cuve etanche et thermiquement isolante perfectionnee integree dans une structure porteuse
US5586513A (en) * 1994-09-20 1996-12-24 Gaztransport & Technigaz Watertight and thermally insulating tank built into a bearing structure
FR2861060A1 (fr) 2003-10-16 2005-04-22 Gaz Transport & Technigaz Structure de paroi etanche et cuve munie d'une telle structure
DE102004047551B4 (de) * 2003-10-16 2014-10-09 Gaz Transport Et Technigaz Dichte Wandstruktur und Tank mit einer derartigen Wand
HRP20040928B1 (hr) * 2003-10-16 2015-09-25 Gaz Transport Et Technigaz Struktura hermetiäśki zabrtvljene stijenke i spremnik opremljen takvom strukturom
EP1698649A2 (de) 2005-03-04 2006-09-06 Gaz Transport et Technigaz Mit Glasfasern verstärkter Polyurethan-Polyisocyanuratschaum
DE102006016796A1 (de) * 2006-04-10 2007-10-11 Warnow Design Gmbh Verbundpaneelsystem für den Bau von Behältern für tiefkalte Medien
DE102006016796B4 (de) * 2006-04-10 2008-03-27 Warnow Design Gmbh Verbundpaneelsystem für den Bau von Behältern für tiefkalte Medien
DE102006020699B4 (de) * 2006-05-04 2008-08-14 Warnow Design Gmbh Behälter zur Speicherung tiefkalter flüssiger Medien und Verfahren zu seiner Herstellung
RU2443595C2 (ru) * 2007-01-23 2012-02-27 Альстом Способ изготовления изолирующей и герметичной стенки резервуара
DE102007061367A1 (de) 2007-12-19 2009-06-25 Warnow Design Gmbh Vorrichtung zum Isolieren und Abdichten einer Fläche an der Innenseite einer äußeren tragenden Struktur des Tanks
WO2009150366A1 (fr) * 2008-05-21 2009-12-17 Gaztransport Et Technigaz Fixation par collage de blocs isolants pour cuve de stockage de gaz liquefies a l'aide de cordons ondules
AU2009259099B2 (en) * 2008-05-21 2011-12-08 Gaztransport Et Technigaz Glue-fastening of insulating blocks for a liquefied-gas storage tank using undulating beads
FR2931535A1 (fr) * 2008-05-21 2009-11-27 Gaztransp Et Technigaz Fixation par collage de blocs isolants pour cuve de stockage de gaz liquefies a l'aide de cordons ondules
WO2013083892A1 (fr) 2011-12-08 2013-06-13 Gaztransport Et Technigaz Construction d'une membrane etanche a partir de plaques metalliques
RU2526870C1 (ru) * 2013-02-26 2014-08-27 Российская Федерация, от имени которой выступает Министерство промышленности и торговли Российской Федерации (Минпромторг России) Термоизоляционная герметичная стенка емкости из полимерных композиционных материалов для сжиженного природного газа
CN111503509A (zh) * 2014-09-26 2020-08-07 气体运输技术公司 用于储存流体的密封隔热罐、船舶及装卸方法和输送系统
CN110892189A (zh) * 2017-06-28 2020-03-17 气体运输技术公司 流体密封膜及组装流体密封膜的方法
CN110892189B (zh) * 2017-06-28 2022-04-15 气体运输技术公司 流体密封膜及组装流体密封膜的方法
CN111630311A (zh) * 2018-01-23 2020-09-04 气体运输技术公司 密封隔热罐
CN111656083A (zh) * 2018-01-23 2020-09-11 气体运输技术公司 密封隔热罐
CN111656083B (zh) * 2018-01-23 2021-11-26 气体运输技术公司 密封隔热罐
FR3092837A1 (fr) 2019-02-18 2020-08-21 Gaztransport Et Technigaz Copolymeres methacrylates, et leurs utilisations pour la preparation de mousse polyurethane
WO2026084302A1 (ko) * 2024-10-17 2026-04-23 삼성중공업 주식회사 액화가스 화물창

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FI940259A7 (fi) 1994-03-21
EP0573327B1 (de) 1999-01-27
FR2691520A1 (fr) 1993-11-26
CA2113822A1 (en) 1993-11-25
US5501359A (en) 1996-03-26
AU4076193A (en) 1993-12-13
FI940259A0 (fi) 1994-01-19
JP3788808B2 (ja) 2006-06-21
KR100258206B1 (ko) 2000-06-01
ES2127799T3 (es) 1999-05-01
PL302155A1 (en) 1994-07-11
JPH07500406A (ja) 1995-01-12
FR2691520B1 (fr) 1994-09-02
WO1993023699A1 (fr) 1993-11-25
DE69323240D1 (de) 1999-03-11

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