FR2944087A1 - IMPROVEMENT FOR A WATERPROOF AND THERMALLY INSULATING TANK INTEGRATED IN A CARRIER STRUCTURE - Google Patents

IMPROVEMENT FOR A WATERPROOF AND THERMALLY INSULATING TANK INTEGRATED IN A CARRIER STRUCTURE Download PDF

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Publication number
FR2944087A1
FR2944087A1 FR0901636A FR0901636A FR2944087A1 FR 2944087 A1 FR2944087 A1 FR 2944087A1 FR 0901636 A FR0901636 A FR 0901636A FR 0901636 A FR0901636 A FR 0901636A FR 2944087 A1 FR2944087 A1 FR 2944087A1
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FR
France
Prior art keywords
walls
improvement according
layer
disposed
wall
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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
FR0901636A
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French (fr)
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FR2944087B1 (en
Inventor
Bruno Guelton
Raphael Prunier
De Kermadec Christophe Huon
Bruno Deletre
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Gaztransport et Technigaz SA
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Gaztransport et Technigaz SA
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Publication date
Priority to FR0901636A priority Critical patent/FR2944087B1/en
Application filed by Gaztransport et Technigaz SA filed Critical Gaztransport et Technigaz SA
Priority to ES16190487T priority patent/ES2789373T3/en
Priority to KR1020147005292A priority patent/KR20140034943A/en
Priority to MYPI2014000660A priority patent/MY172263A/en
Priority to KR1020167004759A priority patent/KR102062837B1/en
Priority to CN201080015036.7A priority patent/CN102388258B/en
Priority to EP16190487.5A priority patent/EP3156714B1/en
Priority to BRPI1015110-9A priority patent/BRPI1015110B1/en
Priority to RU2011144258/06A priority patent/RU2498150C2/en
Priority to CN201710035583.5A priority patent/CN107035961B/en
Priority to AU2010231273A priority patent/AU2010231273B2/en
Priority to EP10714908A priority patent/EP2414723A1/en
Priority to SG2011072352A priority patent/SG175059A1/en
Priority to SG2014012793A priority patent/SG2014012793A/en
Priority to PCT/FR2010/000283 priority patent/WO2010112715A1/en
Priority to KR1020117026261A priority patent/KR20120004509A/en
Priority to MYPI2011004696A priority patent/MY174989A/en
Priority to EP14155237.2A priority patent/EP2733410A3/en
Priority to JP2012502732A priority patent/JP5226152B2/en
Priority to CN201410053547.8A priority patent/CN103770905B/en
Publication of FR2944087A1 publication Critical patent/FR2944087A1/en
Application granted granted Critical
Publication of FR2944087B1 publication Critical patent/FR2944087B1/en
Priority to PH12014502160A priority patent/PH12014502160B1/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C3/00—Vessels not under pressure
    • F17C3/02—Vessels not under pressure with provision for thermal insulation
    • F17C3/025—Bulk storage in barges or on ships
    • F17C3/027—Wallpanels for so-called membrane tanks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/05—Size
    • F17C2201/052—Size large (>1000 m3)
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/03—Thermal insulations
    • F17C2203/0304—Thermal insulations by solid means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/03—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
    • F17C2203/0629—Two walls
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2209/00—Vessel construction, in particular methods of manufacturing
    • F17C2209/22—Assembling processes
    • F17C2209/228—Assembling processes by screws, bolts or rivets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2209/00—Vessel construction, in particular methods of manufacturing
    • F17C2209/23—Manufacturing of particular parts or at special locations
    • F17C2209/232—Manufacturing of particular parts or at special locations of walls
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2221/00—Handled fluid, in particular type of fluid
    • F17C2221/03—Mixtures
    • F17C2221/032—Hydrocarbons
    • F17C2221/033—Methane, e.g. natural gas, CNG, LNG, GNL, GNC, PLNG
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
    • F17C2223/0146—Two-phase
    • F17C2223/0153—Liquefied gas, e.g. LPG, GPL
    • F17C2223/0161—Liquefied gas, e.g. LPG, GPL cryogenic, e.g. LNG, GNL, PLNG
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/03—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the pressure level
    • F17C2223/033—Small pressure, e.g. for liquefied gas
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2260/00—Purposes of gas storage and gas handling
    • F17C2260/01—Improving mechanical properties or manufacturing
    • F17C2260/011—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
    • F17C2260/00—Purposes of gas storage and gas handling
    • F17C2260/01—Improving mechanical properties or manufacturing
    • F17C2260/016—Preventing slosh
    • 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

Abstract

Cette cuve est du genre comportant deux barrières d'étanchéité, l'une primaire (10) et l'autre secondaire (5) et au moins une barrière d'isolation thermique constituée chacune par un module, qui a sensiblement la forme d'un parallélépipède rectangle et comprend une première plaque (3) de contreplaqué surmontée d'une première couche d'isolant thermique (4), elle-même surmontée d'une barrière d'étanchéité (5) sur laquelle est disposée une deuxième couche d'isolant thermique (6) qui porte elle-même une deuxième plaque de contreplaqué (7), sur laquelle repose de façon connue la barrière d'étanchéité primaire (10) constituées par des virures ou des plaque métalliques. La deuxième plaque (7) est constituée par deux parois, l'une première (8) supportant la barrière d'étanchéité primaire et l'autre seconde (9), entre lesquelles est disposée une couche de matériau amortissant (11). Application notamment dans le domaine de la construction navale.This tank is of the kind comprising two sealing barriers, one primary (10) and the other secondary (5) and at least one thermal insulation barrier each consisting of a module, which has substantially the shape of a parallelepiped rectangle and comprises a first plate (3) of plywood surmounted by a first layer of thermal insulation (4), itself surmounted by a sealing barrier (5) on which is disposed a second layer of insulation thermistor (6) which itself carries a second plywood plate (7), on which rests in a known manner the primary sealing barrier (10) constituted by strakes or metal plates. The second plate (7) is constituted by two walls, the first (8) supporting the primary sealing barrier and the other second (9), between which is disposed a layer of damping material (11). Application particularly in the field of shipbuilding.

Description

La présente invention est relative à un perfectionnement pour cuve étanche et thermiquement isolante intégrée dans une structure porteuse. D'après les documents FR-2 527 544-A, FR-1 376 525-A, FR-1 379 651-A, FR-2 724 623-A et FR-2 798 902-A, il est connu une cuve étanche et isolante qui est intégrée dans une structure porteuse, notamment de navire, et qui comporte deux barrières d'étanchéité successives : l'une primaire, au contact avec le produit contenu dans la cuve et l'autre secondaire disposée entre la barrière d'étanchéité primaire et la structure porteuse. Entre ces deux barrières d'étanchéité, d'une part, et entre la barrière d'étanchéité secondaire, d'autre part, est disposée au moins une barrière thermiquement isolante. La barrière d'étanchéité primaire est, selon ces documents, métallique et la barrière d'étanchéité secondaire métallique ou en un matériau composite pouvant comporter une âme métallique. Les barrières thermiquement isolantes sont réalisées sous forme de modules, ou panneaux, juxtaposés, de forme générale polygonale, dont l'épaisseur est déterminée en fonction du pouvoir isolant recherché. Ces modules comportent un couvercle et un fond désignés indistinctement par le terme plaque . On désigne par l'expression barrière thermiquement isolante primaire celle sur laquelle repose la barrière d'étanchéité primaire. A l'usage, il a été constaté une détérioration de la barrière d'étanchéité primaire, constituée par des virures métalliques, notamment provoquée par le clapotement ou, selon la terminologie anglo-saxonne, sloshing en particulier au plafond des cuves ou dans la zone de talus et au-dessus de ceux-ci. De plus, la barrière thermiquement isolante primaire peut subir elle aussi des dégradations tant de la couche d'isolant thermique, que de la plaque rigide constituant le support de cette barrière thermiquement isolation primaire. The present invention relates to an improvement for a sealed and thermally insulating tank integrated into a supporting structure. According to the documents FR-2 527 544-A, FR-1 376 525-A, FR-1 379 651-A, FR-2 724 623-A and FR-2 798 902-A, a tank is known waterproof and insulating which is integrated in a supporting structure, including ship, and which comprises two successive sealing barriers: one primary, in contact with the product contained in the tank and the other secondary disposed between the barrier of primary sealing and the supporting structure. Between these two sealing barriers, on the one hand, and between the secondary sealing barrier, on the other hand, is disposed at least one thermally insulating barrier. According to these documents, the primary sealing barrier is made of metal and the secondary metal or composite sealing barrier may comprise a metal core. The thermally insulating barriers are made in the form of modules, or panels, juxtaposed, of general polygonal shape, whose thickness is determined according to the desired insulating power. These modules comprise a cover and a bottom designated indistinctly by the term plate. The expression "primary thermally insulating barrier" designates that on which the primary sealing barrier rests. In use, it has been found a deterioration of the primary sealing barrier constituted by metal strakes, in particular caused by the lapping or, according to the English terminology, sloshing in particular the ceiling of the tanks or in the zone of embankments and above them. In addition, the primary thermally insulating barrier can also undergo degradation of both the thermal insulation layer, the rigid plate constituting the support of this primary thermal insulation barrier.

Aussi un des buts de la présente invention est-il de fournir un perfectionnement pour de telles cuves étanches et thermiquement isolantes intégrées dans une structure porteuse telle qu'une coque de navire, qui permet d'éviter l'endommagement de la cuve comme rapporté ci-dessus. Un autre but de l'invention est de fournir un tel perfectionnement qui entraîne 30 aussi peu de modification structurelle que possible. Un but supplémentaire d'un tel perfectionnement est de ne pas augmenter sensiblement le coût d'une telle cuve. Ces buts, ainsi que d'autres qui apparaîtront par la suite, sont atteints par un perfectionnement pour cuve étanche et thermiquement isolante intégrée dans une 35 structure porteuse constituée par une double paroi, laquelle cuve est du genre comportant deux barrières d'étanchéité, l'une primaire et l'autre secondaire, et au moins une barrière d'isolation thermique constituée chacune par un module, qui a sensiblement la forme d'un parallélépipède rectangle et comprend une première plaque de contreplaqué surmontée d'une première couche d'isolant thermique, elle- même surmontée d'une barrière d'étanchéité sur laquelle est disposée une deuxième couche d'isolant thermique qui porte elle-même une deuxième plaque de contreplaqué, sur laquelle repose de façon connue la barrière d'étanchéité primaire constituée par des virures ou des plaque métalliques, lequel perfectionnement est, selon la présente invention, caractérisé par le fait que la deuxième plaque est constituée par deux parois entre lesquelles est disposée une couche de matériau amortissant . Avantageusement, entre la première et la seconde paroi et traversant la couche de matériau amortissant, est disposé un moyen de débattement d'enfoncement. De préférence, le moyen de débattement d'enfoncement est inséré dans des alvéoles respectivement ménagées dans les deux parois, en forme de T, les extrémités libres de la barre verticale du T se faisant face, et une barre en H étant disposée dans l'espace ainsi délimité. Selon une variante de réalisation, le moyen de débattement d'enfoncement est inséré dans des alvéoles, respectivement ménagées l'une dans une des parois et l'autre dans la deuxième couche d'isolant thermique, en forme de T, les extrémités libres de la barre verticale du T se faisant face, et une barre en H étant disposée dans l'espace ainsi délimité. Avantageusement, les jonctions entre des premières parois sont décalées par rapport à celles des secondes parois. It is also an object of the present invention to provide an improvement for such sealed and thermally insulating tanks integrated in a supporting structure such as a ship's hull, which makes it possible to avoid damage to the tank as reported herein. -above. It is another object of the invention to provide such an improvement which results in as little structural modification as possible. An additional aim of such an improvement is not to substantially increase the cost of such a tank. These and other objects which will become apparent are achieved by an improvement for a sealed and thermally insulating tank integrated in a supporting structure constituted by a double wall, which tank is of the type comprising two sealing barriers, one primary and the other secondary, and at least one thermal insulation barrier each consisting of a module, which has substantially the shape of a rectangular parallelepiped and comprises a first plywood plate surmounted by a first layer of insulation thermal barrier, itself surmounted by a sealing barrier on which is disposed a second layer of thermal insulation which itself carries a second plywood plate, on which rests in known manner the primary sealing barrier constituted by strakes or metal plates, which improvement is, according to the present invention, characterized by the fact that the second plate e is constituted by two walls between which is disposed a layer of damping material. Advantageously, between the first and the second wall and passing through the layer of damping material, is disposed a deflection means depressing. Preferably, the depression means is inserted into cavities respectively formed in the two walls, T-shaped, the free ends of the vertical bar of the T facing each other, and an H bar being disposed in the space thus delimited. According to an alternative embodiment, the driving deflection means is inserted into cells, respectively formed in one of the walls and the other in the second layer of thermal insulation, T-shaped, the free ends of the vertical bar of the T facing each other, and an H bar being disposed in the space thus delimited. Advantageously, the junctions between first walls are offset relative to those of the second walls.

De préférence, cette jonction entre les premières parois est identique à celle entre les lames d'un parquet anglais. Avantageusement, la seconde paroi présente un module d'élasticité inférieur d'au moins dix pour cent par rapport à celui des matériaux actuels. De préférence, les deux parois ont une épaisseur comprise entre 9 et 21 mm. Preferably, this junction between the first walls is identical to that between the blades of an English floor. Advantageously, the second wall has a modulus of elasticity at least ten percent lower than that of current materials. Preferably, the two walls have a thickness of between 9 and 21 mm.

Selon un mode de réalisation préféré de la présente invention, les deux parois sont en contreplaqué de sapin ou en un matériau composite. Avantageusement, la première plaque est fixée sur la paroi de la structure porteuse avec interposition d'un cordon de mastic ayant un module d'élasticité au maximum de 1500MPA. According to a preferred embodiment of the present invention, the two walls are fir plywood or a composite material. Advantageously, the first plate is fixed on the wall of the carrier structure with the interposition of a bead of mastic having a modulus of elasticity of at most 1500 MPa.

La description qui va suivre et qui ne présente aucun caractère limitatif, doit être lue en regard des figures annexées parmi lesquelles : - la figure 1 représente, en coupe, perpendiculairement à la paroi d'une structure porteuse constituée par la double coque ou la double paroi transversale d'un navire, et dans une position éclatée figurant schématiquement le montage des différents éléments d'une cuve, selon l'art antérieur, dans une zone de la cuve non voisine d'un angle de la cuve ; - la figure 2 représente, en coupe, perpendiculairement à la paroi d'une structure porteuse constituée par la double coque ou la double paroi transversale d'un navire, et dans une position éclatée figurant schématiquement le montage des différents éléments d'une cuve selon un mode de réalisation de la présente invention, dans une zone de la cuve non voisine d'un angle de la cuve ; et, - la figure 3 représente un autre mode de réalisation de la présente invention selon la figure 2. The description which follows and which has no limiting character, should be read with reference to the appended figures among which: FIG. 1 represents, in cross section, perpendicular to the wall of a supporting structure formed by the double shell or the double transverse wall of a ship, and in an exploded position schematically showing the assembly of the various elements of a vessel, according to the prior art, in a zone of the vessel not close to an angle of the vessel; - Figure 2 shows, in section, perpendicular to the wall of a supporting structure formed by the double shell or the double transverse wall of a ship, and in an exploded position schematically showing the mounting of the various elements of a tank according to an embodiment of the present invention, in a zone of the vessel not close to an angle of the vessel; and - Figure 3 shows another embodiment of the present invention according to Figure 2.

Les éléments identiques dans les figures sont désignés par les mêmes références. En se référant notamment à la figure 1, on désigne par la référence 1, la paroi de la double coque du navire, où est installée la cuve selon l'invention. On sait qu'une coque de navire comporte aussi des cloisons transversales, qui découpent la coque en compartiments, ces cloisons transversales étant également doubles : dans la présente description par le terme paroi double 1 sera désignée aussi bien la paroi de la double coque que les parois transversales ci-dessus, qui délimitent une telle cuve. Les parois doubles 1 constituent la structure porteuse de la cuve décrite. La cuve est du genre comportant deux barrières d'étanchéité, l'une primaire 10 et l'autre secondaire 5, et au moins une barrière d'isolation thermique constituée chacune par un module, qui a sensiblement la forme d'un parallélépipède rectangle et comprend une première plaque 3 de contreplaqué surmontée d'une première couche d'isolant thermique 4, elle-même surmontée de la barrière d'étanchéité 5 sur laquelle est disposée une deuxième couche d'isolant thermique 6 qui porte elle-même une deuxième plaque de contreplaqué 7, sur laquelle repose de façon connue la barrière d'étanchéité primaire 10 constituée par des virures ou des plaque métalliques. L'ensemble comprenant la première plaque 3 et la première couche d'isolant thermique 4 constitue le module de la barrière thermiquement isolante secondaire 2b : l'ensemble comprenant la deuxième plaque 7 et la deuxième couche d'isolant thermique 6 constitue le module de la barrière thermiquement isolante primaire 2a. The identical elements in the figures are designated by the same references. Referring in particular to Figure 1, denotes by reference 1, the wall of the double hull of the ship, where is installed the tank according to the invention. It is known that a ship's hull also has transverse partitions, which cut the hull into compartments, these transverse partitions being also double: in the present description, the term "double wall" 1 will be designated both the wall of the double hull and the hulls. transverse walls above, which delimit such a tank. The double walls 1 constitute the carrying structure of the tank described. The tank is of the type comprising two sealing barriers, one primary 10 and the other secondary 5, and at least one thermal insulation barrier each consisting of a module, which has substantially the shape of a rectangular parallelepiped and comprises a first plywood plate 3 surmounted by a first thermal insulating layer 4, itself surmounted by the sealing barrier 5 on which is disposed a second thermal insulating layer 6 which itself carries a second plate plywood 7, on which rests in known manner the primary sealing barrier 10 constituted by strakes or metal plates. The assembly comprising the first plate 3 and the first thermal insulation layer 4 constitutes the module of the secondary thermally insulating barrier 2b: the assembly comprising the second plate 7 and the second thermal insulation layer 6 constitutes the module of the primary thermally insulating barrier 2a.

Ainsi que l'aura compris l'homme du métier, les modules 2a et 2b ont sensiblement la forme de parallélépipède rectangle. Le module 2a a, vu en plan, une forme rectangulaire dont les côtés sont parallèles à ceux du module 2b : vu en plan, les deux modules 2a et 2b ont la forme de rectangle ayant le même centre. As will be understood by those skilled in the art, the modules 2a and 2b have substantially the shape of a rectangular parallelepiped. The module 2a has, seen in plan, a rectangular shape whose sides are parallel to those of the module 2b: seen in plan, the two modules 2a and 2b have the shape of rectangle having the same center.

Selon la présente invention telle que représentée aux figures 2 et 3, la deuxième plaque 7 sur laquelle repose la barrière d'étanchéité primaire 10, est constituée par un ensemble sandwich qui comprend : - une première paroi 8 réalisée en un contreplaqué et/ou en un matériau composite et supportant la barrière d'étanchéité primaire; - une couche 11 d'un matériau amortissant ; et, - une seconde paroi 9 réalisée en un contreplaqué disposée au-dessus de la couche d'isolant thermique 6. Le contreplaqué constituant la première paroi 8 et la seconde paroi 9 a une épaisseur comprise entre 9 et 21 mm. Cette seconde paroi 9 présente un module d'élasticité en flexion à froid compris entre 10 000 et 13 000 MPA. Un contreplaqué conforme à la présente invention est par exemple un contreplaqué de sapin ou en un matériau composite. Le module d'élasticité de la seconde paroi 9 est d'au moins dix pour cent inférieur à celui des parois en matériaux actuels. Quant au matériau amortissant 11 disposé entre les deux parois 8 et 9 ci- dessus, il a une épaisseur comprise entre 2 et 15 mm, et par exemple de 8 mm : cette épaisseur est choisie de telle manière que, sous la sollicitation aux chocs considérés, ceux-ci soient amortis, d'une part, et que l'écrasement résultant de ce matériau amortissant ne mène pas celui-ci à la ruine, d'autre part. Ce matériau peut être un feutre, un matériau à base de fibres tissées ou liées chargé ou non de matériaux isolants tels que, par exemple, un aérogel : l'ensemble ainsi réalisé étant collé ou mécaniquement assemblé. Les jonctions entre des premières parois 8 sont décalées par rapport à celles des secondes parois 9 de façon à assurer une meilleure continuité mécanique du massif isolant. Cette jonction entre les premières parois 8 est par exemple identique à celle entre les lames d'un parquet anglais. Selon une variante de réalisation de la présente invention, on dispose entre la première paroi 8 et la seconde paroi 9, et traversant donc la couche de matériau amortissant 11, de moyens de débattement d'enfoncement. Ceux-ci comprennent, selon le présent exemple de réalisation, deux alvéoles, 12a et 12b respectivement, en forme de T reliées par la barre verticale du T et une barre 13 en H étant disposée dans l'espace ainsi délimité. Selon une variante de réalisation représentée à la figure 3, l'alvéole 12b est située, non dans la seconde paroi 9, mais dans la deuxième couche d'isolant thermique 6 du module 2a constituant la barrière thermiquement isolante primaire. Afin d'améliorer encore l'amortissement des chocs, la première plaque 3 est fixée sur la paroi 1 de la structure porteuse avec interposition d'un cordon de mastic 14 ayant un module d'élasticité au maximum de 1500MPA. L'amortissement d'une cuve comportant le perfectionnement selon la présente invention est au moins trois fois supérieur à celui selon les structures actuelles, cet effet étant réalisé côté liquide transporté. According to the present invention as represented in FIGS. 2 and 3, the second plate 7 on which the primary sealing barrier 10 rests is constituted by a sandwich assembly which comprises: a first wall 8 made of a plywood and / or a composite material and supporting the primary sealing barrier; a layer 11 of damping material; and - a second wall 9 made of a plywood disposed above the thermal insulation layer 6. The plywood constituting the first wall 8 and the second wall 9 has a thickness of between 9 and 21 mm. This second wall 9 has a modulus of elasticity in cold bending of between 10,000 and 13,000 MPa. A plywood according to the present invention is for example a fir plywood or a composite material. The modulus of elasticity of the second wall 9 is at least ten percent less than that of the walls of current materials. As for the damping material 11 disposed between the two walls 8 and 9 above, it has a thickness of between 2 and 15 mm, and for example 8 mm: this thickness is chosen such that, under the shock load considered these are damped on the one hand, and that the crushing resulting from this damping material does not lead it to ruin, on the other hand. This material may be a felt, a material based on woven or bonded fibers with or without insulating materials such as, for example, an airgel: the assembly thus produced being bonded or mechanically assembled. The junctions between first walls 8 are offset relative to those of the second walls 9 so as to ensure a better mechanical continuity of the insulating mass. This junction between the first walls 8 is for example identical to that between the blades of an English floor. According to an alternative embodiment of the present invention, there is disposed between the first wall 8 and the second wall 9, and thus passing through the layer of damping material 11, means of deflection depression. These comprise, according to the present embodiment, two cells, 12a and 12b respectively, T-shaped connected by the vertical bar of the T and a bar 13 H being disposed in the space thus defined. According to an alternative embodiment shown in FIG. 3, the cell 12b is situated, not in the second wall 9, but in the second thermal insulating layer 6 of the module 2a constituting the primary thermally insulating barrier. In order to further improve the shock absorption, the first plate 3 is fixed on the wall 1 of the carrier structure with the interposition of a mastic bead 14 having a modulus of elasticity of at most 1500 MPa. The damping of a tank comprising the improvement according to the present invention is at least three times greater than that according to the current structures, this effect being performed on the liquid side transported.

Claims (10)

REVENDICATIONS1. - Perfectionnement pour cuve étanche et thermiquement isolante intégrée dans une structure porteuse constituée par une double paroi (1), laquelle cuve est du genre comportant deux barrières d'étanchéité, l'une primaire (10) et l'autre secondaire (5) et au moins une barrière d'isolation thermique constituée chacune par un module, qui a sensiblement la forme d'un parallélépipède rectangle et comprend une première plaque (3) de contreplaqué surmontée d'une première couche d'isolant thermique (4), elle-même surmontée d'une barrière d'étanchéité (5) sur laquelle est disposée une deuxième couche d'isolant thermique (6) qui porte elle-même une deuxième plaque de contreplaqué (7), sur laquelle repose de façon connue la barrière d'étanchéité primaire (10) constituées par des virures ou des plaque métalliques, caractérisé par le fait que ladite deuxième plaque (7) est constituée par deux parois, l'une première (8) supportant la barrière d'étanchéité primaire et l'autre seconde (9), entre lesquelles est disposée une couche de matériau amortissant (11). REVENDICATIONS1. - Improvement for sealed and thermally insulating tank integrated in a supporting structure constituted by a double wall (1), which tank is of the kind comprising two sealing barriers, one primary (10) and the other secondary (5) and at least one thermal insulation barrier each consisting of a module, which has substantially the shape of a rectangular parallelepiped and comprises a first plate (3) of plywood surmounted by a first layer of thermal insulation (4), itself even surmounted by a sealing barrier (5) on which is disposed a second layer of thermal insulation (6) which itself carries a second plywood plate (7), on which the barrier of known manner rests. primary seal (10) consisting of strakes or metal plates, characterized in that said second plate (7) is constituted by two walls, the first (8) supporting the sealing barrier, and imary and the other second (9), between which is disposed a layer of damping material (11). 2. û Perfectionnement selon la revendication 1, caractérisé par le fait qu'entre entre la première (8) et la seconde paroi (9) et traversant la couche de matériau amortissant (11) est disposé un moyen de débattement d'enfoncement. 2. - Improvement according to claim 1, characterized in that between the first (8) and the second wall (9) and through the layer of damping material (11) is disposed a deflection means depressing. 3. - Perfectionnement selon la revendication 2, caractérisé par le fait que le moyen de débattement d'enfoncement est inséré dans des alvéoles (12a) et (12b) respectivement ménagées dans les parois (8) et (9), en forme de T, les extrémités libres de la barre verticale du T se faisant face, et une barre (13) en H étant disposée dans l'espace ainsi délimité. 3. - Improvement according to claim 2, characterized in that the depression of the depressing means is inserted into cells (12a) and (12b) respectively formed in the walls (8) and (9), T-shaped , the free ends of the vertical bar of the T facing each other, and a bar (13) H being disposed in the space thus defined. 4. - Perfectionnement selon la revendication 1, caractérisé par le fait que le moyen de débattement d'enfoncement est inséré dans des alvéoles (12a) et (12b) respectivement ménagées dans la première paroi (8) et dans la deuxième couche d'isolant thermique (6) en forme de T, les extrémités libres de la barre verticale du T se faisant face, et une barre (13) en H étant disposée dans l'espace ainsi délimité. 4. - Improvement according to claim 1, characterized in that the depression of the depressing means is inserted into cells (12a) and (12b) respectively formed in the first wall (8) and in the second layer of insulation thermally (6) T-shaped, the free ends of the vertical bar of the T facing each other, and a bar (13) H being disposed in the space thus delimited. 5. - Perfectionnement selon l'une quelconque des revendications 1 à 4, caractérisé par le fait que les jonctions entre les premières parois (8) sont décalées par rapport à celles des secondes parois (9) 5. - Improvement according to any one of claims 1 to 4, characterized in that the junctions between the first walls (8) are offset from those of the second walls (9). 6. - Perfectionnement selon la revendication 5, caractérisé par le fait que cette jonction entre les premières parois (8) est identique à celle entre les lattes d'un parquet anglais. 6. - Improvement according to claim 5, characterized in that this junction between the first walls (8) is identical to that between the slats of an English floor. 7.- Perfectionnement selon l'une quelconque des revendications 1 à 6,caractérisé par le fait que la seconde paroi (9) présente un module d'élasticité inférieur d'au moins dix pour cent par rapport à celui des matériaux actuels. 7.- improvement according to any one of claims 1 to 6, characterized in that the second wall (9) has a modulus of elasticity at least ten percent lower than that of current materials. 8. - Perfectionnement selon l'une quelconque des revendications 1 à 7, caractérisé par le fait que les deux parois (8) et (9) ont une épaisseur comprise entre 9 5 et 21 mm. 8. - Improvement according to any one of claims 1 to 7, characterized in that the two walls (8) and (9) have a thickness between 9 5 and 21 mm. 9 - Perfectionnement selon l'une quelconque des revendications 1 à 8, caractérisé par le fait que les deux parois (8) et (9) sont en contreplaqué de sapin ou en un matériau composite. 9 - Improvement according to any one of claims 1 to 8, characterized in that the two walls (8) and (9) are fir plywood or a composite material. 10 - Perfectionnement selon l'une quelconque des revendications 1 à 9, 10 caractérisé par le fait que la première plaque (3) est fixée sur la paroi de la structure porteuse avec interposition d'un cordon de mastic (14) ayant un module d'élasticité au maximum de 1500MPA. 10 - improvement according to any one of claims 1 to 9, characterized in that the first plate (3) is fixed on the wall of the carrier structure with interposition of a mastic bead (14) having a modulus d elasticity up to 1500MPA.
FR0901636A 2009-04-03 2009-04-03 IMPROVEMENT FOR A WATERPROOF AND THERMALLY INSULATING TANK INTEGRATED IN A CARRIER STRUCTURE Expired - Fee Related FR2944087B1 (en)

Priority Applications (21)

Application Number Priority Date Filing Date Title
FR0901636A FR2944087B1 (en) 2009-04-03 2009-04-03 IMPROVEMENT FOR A WATERPROOF AND THERMALLY INSULATING TANK INTEGRATED IN A CARRIER STRUCTURE
PCT/FR2010/000283 WO2010112715A1 (en) 2009-04-03 2010-04-02 Improvement for leaktight and thermally insulating tank integrated into a carrier structure
SG2014012793A SG2014012793A (en) 2009-04-03 2010-04-02 Improvement for a sealed and thermal insulating tank integrated into a bearing structure
KR1020167004759A KR102062837B1 (en) 2009-04-03 2010-04-02 Ship comprising a bearing structure
KR1020147005292A KR20140034943A (en) 2009-04-03 2010-04-02 Improvement for leaktight and thermally insulating tank integrated into a carrier structure
EP16190487.5A EP3156714B1 (en) 2009-04-03 2010-04-02 Improvement for a sealed, thermally insulating tank built into a carrier structure
BRPI1015110-9A BRPI1015110B1 (en) 2009-04-03 2010-04-02 thermal and sealed insulation tank integrated in a support structure
KR1020117026261A KR20120004509A (en) 2009-04-03 2010-04-02 Improvement for leaktight and thermally insulating tank integrated into a carrier structure
CN201710035583.5A CN107035961B (en) 2009-04-03 2010-04-02 Improved sealed heat insulation cabin integrated with supporting structure
AU2010231273A AU2010231273B2 (en) 2009-04-03 2010-04-02 Improvement for leaktight and thermally insulating tank integrated into a carrier structure
ES16190487T ES2789373T3 (en) 2009-04-03 2010-04-02 Upgrade for a thermally insulating and watertight tank integrated into a supporting structure
SG2011072352A SG175059A1 (en) 2009-04-03 2010-04-02 Improvement for leaktight and thermally insulating tank integrated into a carrier structure
MYPI2014000660A MY172263A (en) 2009-04-03 2010-04-02 Improvement for a sealed and thermal insulating tank integrated into a bearing structure
CN201080015036.7A CN102388258B (en) 2009-04-03 2010-04-02 Improved sealed heat insulation cabin integrated with supporting structure
RU2011144258/06A RU2498150C2 (en) 2009-04-03 2010-04-02 Improved sealed and heat insulated reservoir built into bearing structure
MYPI2011004696A MY174989A (en) 2009-04-03 2010-04-02 Improvement for a sealed and thermal insulating tank intergrated into a bearing structure
EP14155237.2A EP2733410A3 (en) 2009-04-03 2010-04-02 LNG tank with insulation panels.
JP2012502732A JP5226152B2 (en) 2009-04-03 2010-04-02 Sealed heat insulation tank built into the bearing structure
CN201410053547.8A CN103770905B (en) 2009-04-03 2010-04-02 A kind of improved sealing insulated hold integrated with supporting construction
EP10714908A EP2414723A1 (en) 2009-04-03 2010-04-02 Improvement for leaktight and thermally insulating tank integrated into a carrier structure
PH12014502160A PH12014502160B1 (en) 2009-04-03 2014-09-26 Tank for cryogenic fluid

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FR0901636A FR2944087B1 (en) 2009-04-03 2009-04-03 IMPROVEMENT FOR A WATERPROOF AND THERMALLY INSULATING TANK INTEGRATED IN A CARRIER STRUCTURE

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EP (3) EP2414723A1 (en)
JP (1) JP5226152B2 (en)
KR (3) KR102062837B1 (en)
CN (3) CN103770905B (en)
AU (1) AU2010231273B2 (en)
BR (1) BRPI1015110B1 (en)
ES (1) ES2789373T3 (en)
FR (1) FR2944087B1 (en)
MY (2) MY172263A (en)
PH (1) PH12014502160B1 (en)
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CN113460222A (en) * 2021-08-19 2021-10-01 大连船舶重工集团有限公司 B-type storage cabin split type secondary screen wall
CN113460222B (en) * 2021-08-19 2024-02-02 大连船舶重工集团有限公司 Split type secondary screen wall of B-type storage cabin

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