EP2491293A1 - Polygonal lng vessel - Google Patents

Polygonal lng vessel

Info

Publication number
EP2491293A1
EP2491293A1 EP10781952A EP10781952A EP2491293A1 EP 2491293 A1 EP2491293 A1 EP 2491293A1 EP 10781952 A EP10781952 A EP 10781952A EP 10781952 A EP10781952 A EP 10781952A EP 2491293 A1 EP2491293 A1 EP 2491293A1
Authority
EP
European Patent Office
Prior art keywords
vertical
panels
sectors
bottom wall
barrier
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
EP10781952A
Other languages
German (de)
French (fr)
Other versions
EP2491293B1 (en
Inventor
Adnan Ezzarhouni
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gaztransport et Technigaz SA
Original Assignee
Gaztransport et Technigaz SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gaztransport et Technigaz SA filed Critical Gaztransport et Technigaz SA
Priority to PL10781952T priority Critical patent/PL2491293T3/en
Publication of EP2491293A1 publication Critical patent/EP2491293A1/en
Application granted granted Critical
Publication of EP2491293B1 publication Critical patent/EP2491293B1/en
Priority to CY20131100851T priority patent/CY1114831T1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C3/00—Vessels not under pressure
    • F17C3/02—Vessels not under pressure with provision for thermal insulation
    • F17C3/022—Land-based bulk storage containers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C3/00—Vessels not under pressure
    • F17C3/02—Vessels not under pressure with provision for thermal insulation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/01—Shape
    • F17C2201/0104—Shape cylindrical
    • 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
    • F17C2201/03—Orientation
    • F17C2201/032—Orientation with substantially vertical main axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/05—Size
    • F17C2201/052—Size large (>1000 m3)
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/03—Thermal insulations
    • F17C2203/0304—Thermal insulations by solid means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0634—Materials for walls or layers thereof
    • F17C2203/0636—Metals
    • 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
    • F17C2203/0678—Concrete
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2270/00—Applications
    • F17C2270/01—Applications for fluid transport or storage
    • F17C2270/0134—Applications for fluid transport or storage placed above the ground
    • F17C2270/0136—Terminals

Definitions

  • the present invention relates to a sealed tank and / or thermally insulated, for example for the storage of liquefied natural gas (LNG).
  • LNG liquefied natural gas
  • the documents FR 1 457 617, FR 2 739 675 and FR 2 398 961 each describe an LNG tank.
  • the tank comprises a sealed barrier and a thermally insulating barrier.
  • the sealed barrier is made with metal parts and these documents propose different solutions for arranging these metal parts in the bottom of the tank.
  • the document FR 2 912 385 describes a particularly advantageous solution, with respect to the aforementioned documents, for arranging the metal parts at the bottom of the tank.
  • the vertical wall of the tank is polygonal.
  • the metal parts comprise rectangular parts divided into sectors, each sector corresponding to one of the vertical sections. Connecting pieces are arranged between the sectors. This arrangement makes it possible to limit the number of types of. parts needed.
  • the concrete supporting structure must fill the space between the polygonal vertical wall and the circle circumscribed to the polygon. This space is even smaller as the number of sides is high. Thus, it is interesting to choose a high number of sides to limit the extra cost of concrete.
  • the center of the bottom wall must be covered by one or more special parts.
  • the ratio between the surface of the central area, which can not be covered by rectangular pieces, and the total surface of the bottom wall, is even lower than the number of sides is low. So it is interesting to choose a low number of sides to limit the area of the central area.
  • the number of rectangular pieces is much larger than the number of connecting pieces, which is advantageous. It is therefore found that it is necessary to find a compromise between the cost of the concrete support structure and the surface of the central zone. It is difficult to find a fully satisfactory compromise. Summary of the invention
  • a problem that the present invention proposes to solve is to provide a vessel that does not exhibit at least some of the aforementioned drawbacks of the prior art.
  • an object of the invention is to enable the carrying structure of the vessel to be produced with a quantity of material and therefore a limited cost.
  • the solution proposed by the invention is a sealed tank and / or thermally insulated, comprising a bearing structure, a sealing barrier and / or a thermally insulating barrier, said sealing barrier and / or said thermally insulating barrier having a shape cylindrical and comprising a vertical wall and a bottom wall, wherein said vertical wall has a plurality of vertical panels, said support structure surrounding said vertical wall, and wherein said bottom wall includes a plurality of rectangular parts divided into sectors the each other by rotation, the edges of the rectangular parts of one of said sectors being respectively parallel and perpendicular to one of said vertical panels, characterized in that the number of said vertical panels is twice the number of said sectors.
  • the tank can have a high number of vertical panels and a smaller number of sectors.
  • the amount of material needed to make the carrier structure is not too high.
  • the surface of the central zone of the bottom wall is not too high and most of the bottom wall may consist of rectangular pieces.
  • each of said sectors has a plane of symmetry, said vertical panels including first panels each facing one of said respective sectors and being arranged symmetrically with respect to the plane of symmetry of the corresponding sector.
  • said vertical panels include second panels, each of said second panels being arranged between two of said first panels respectively corresponding to two adjacent sectors.
  • the bottom wall includes at least one trapezoidal piece connecting the rectangular parts of a sector to one of said second panels.
  • said trapezoidal piece has corrugations extending perpendicularly to said second adjacent pan.
  • said vertical wall has 56 vertical faces.
  • Figure 1 is a partial view, from above and in section, of a vessel according to one embodiment of the invention.
  • the tank 1 shown in FIG. 1 comprises a cylindrical vertical wall 2 and a bottom wall 3.
  • the tank 1 also comprises a concrete support structure 4.
  • Figure 1 we see the cylindrical portion of the supporting structure 4 which surrounds the vertical wall 2 of the vessel 1.
  • the vertical wall 2 and the bottom wall 3 each have, from the inside of the tank to the supporting structure, a primary watertight barrier, a primary heat-insulating barrier, a secondary watertight barrier and a secondary heat-insulating barrier.
  • the primary waterproof barrier is made of corrugated metal parts.
  • the primary thermally insulating barrier, the secondary watertight barrier and the secondary thermal insulating barrier are made with prefabricated panels fixed on the supporting structure 4.
  • the primary watertight barrier comprises rectangular pieces 5 and connecting pieces 6 which 7.
  • the rectangular pieces 5 are distributed in rotationally image-like sectors, in a manner similar to the arrangement described in the document FR 2 912 385 mentioned in the introduction. In Figure 1, three sectors are represented.
  • the connecting pieces 6 connect the adjacent sectors to each other.
  • the vertical wall 2 has a regular polygon shape. It has vertical panels 8 and 8 '. As can be seen in FIG. 1, the total number of vertical panels 8 and 8 'is twice the number of sectors of the bottom wall 3.
  • Each sector of the bottom wall 3 corresponds to a vertical section
  • each sector has a plane of symmetry and the corresponding vertical pan 8 is arranged symmetrically with respect to this plane of symmetry.
  • the edges of rectangular pieces 5 of a sector are arranged respectively perpendicularly and parallel to the vertical pan 8 corresponding.
  • the bottom wall 3 comprises end pieces 9 of rectangular shape, which extends the rectangular pieces 5 and whose corrugations 7 are perpendicular to the vertical pan 8.
  • Two vertical panels 8 respectively corresponding to two adjacent sectors are connected by a vertical pan 8 '.
  • a vertical pan 8 ' faces the boundary between two adjacent sectors.
  • the bottom wall 3 comprises two joining pieces 10 and a connecting piece 11.
  • each junction piece 10 has a substantially trapezoidal shape.
  • the corrugations 7 of the joining piece 10 are perpendicular to the vertical pan 8 'and join those of the adjacent parts.
  • Each connecting piece 11 has a shape similar to that of the connecting pieces 6, and adapted dimensions.
  • the connecting piece 11 has a corrugation 7 which extends the central corrugation 7 of the connecting piece 6 adjacent, and is perpendicular to the vertical pan 8 '.
  • the primary waterproof barrier can be made by a number of types of small parts.
  • the joining piece 10 has a new shape. However, this piece can easily be made with known techniques.
  • the same types of metal parts can be used for tanks of different sizes. It is not necessary to design specific parts when making several tanks of different sizes.
  • the tank 1 can have a high number of vertical panels and a number of sectors two times smaller.
  • the amount of concrete needed to make the support structure 4 is not too high, and the surface of the central zone of the bottom wall 3, which can not be covered with rectangular parts 5, is not more high.
  • the number of rectangular pieces 5 can be significantly higher than the number of connecting pieces 6.
  • a tank 1 having 56 vertical faces and 28 sectors is for example particularly interesting. Indeed in this case, most of the bottom wall 3 can be covered by rectangular pieces 5, and the amount of concrete needed to make the carrier structure 4 is only 7% higher than for a circular vertical wall of similar size.
  • the metal parts forming the primary waterproof barrier of the bottom wall 3 has been described.
  • the prefabricated panels forming the primary heat-insulating barrier, the secondary watertight barrier and the secondary heat-insulating barrier may present the same advantageous arrangement.
  • Figure 1 which is a sectional view taken just above the bottom wall 3, there are also corner blocks 12 which are part of the corner structure for connecting the thermally insulating barriers of the bottom wall 3 and vertical wall 2.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Refrigerator Housings (AREA)

Abstract

The invention relates to a sealed and/or heat-insulated vessel (1) including a load-bearing structure (4), a sealing barrier and/or heat-insulating barrier, said sealing barrier and/or heat-insulating barrier having a cylindrical shape and including a vertical wall (2) and a bottom wall (3), wherein said vertical wall has a plurality of vertical sections (8, 8'), said load-bearing structure surrounding said vertical wall, and wherein said bottom wall includes a plurality of rectangular parts (5) divided rotatably into image sectors that are distinct from each other, the edges of the rectangular parts of one of said sectors being respectively parallel and perpendicular to one of said vertical sections (8). Said vessel is characterized in that the number of said vertical sections is twice the number of said sectors.

Description

CUVE POLYGONALE POUR GNL  POLYGONAL TANK FOR LNG
Domaine technique de l'invention Technical field of the invention
La présente invention se rapporte à une cuve étanche et/ou thermiquement isolée, par exemple pour le stockage de gaz naturel liquéfié (GNL).  The present invention relates to a sealed tank and / or thermally insulated, for example for the storage of liquefied natural gas (LNG).
Etat de la technique State of the art
Les documents FR 1 457 617, FR 2 739 675 et FR 2 398 961 décrivent chacun une cuve pour GNL. La cuve comprend une barrière étanche et une barrière thermiquement isolante. La barrière étanche est réalisée avec des pièces métalliques et ces documents proposent différentes solutions pour disposer ces pièces métalliques dans le fond de la cuve.  The documents FR 1 457 617, FR 2 739 675 and FR 2 398 961 each describe an LNG tank. The tank comprises a sealed barrier and a thermally insulating barrier. The sealed barrier is made with metal parts and these documents propose different solutions for arranging these metal parts in the bottom of the tank.
Le document FR 2 912 385 décrit une solution particulièrement avantageuse, par rapport aux documents précités, pour disposer les pièces métalliques au fond de la cuve. La paroi verticale de la cuve est polygonale. Les pièces métalliques comprennent des pièces rectangulaires réparties en secteurs, chaque secteur correspondant à l'un des pans verticaux. Des pièces de liaison sont agencées entre les secteurs. Cette disposition permet de limiter le nombre de types de. pièces nécessaire.  The document FR 2 912 385 describes a particularly advantageous solution, with respect to the aforementioned documents, for arranging the metal parts at the bottom of the tank. The vertical wall of the tank is polygonal. The metal parts comprise rectangular parts divided into sectors, each sector corresponding to one of the vertical sections. Connecting pieces are arranged between the sectors. This arrangement makes it possible to limit the number of types of. parts needed.
La conception d'une cuve selon la solution proposée dans ce document impose de choisir le nombre de côtés du polygone, c'est-à-dire le nombre de pans verticaux et de secteurs.  The design of a tank according to the solution proposed in this document requires to choose the number of sides of the polygon, that is to say the number of vertical sections and sectors.
La structure porteuse en béton doit remplir l'espace situé entre la paroi verticale polygonale et le cercle circonscrit au polygone. Cet espace est d'autant plus faible que le nombre de côtés est élevé. Ainsi, il est intéressant de choisir un nombre de côtés élevé pour limiter le surcoût de béton.  The concrete supporting structure must fill the space between the polygonal vertical wall and the circle circumscribed to the polygon. This space is even smaller as the number of sides is high. Thus, it is interesting to choose a high number of sides to limit the extra cost of concrete.
Le centre de la paroi de fond doit être recouvert par une ou plusieurs pièces spéciales. Le rapport entre la surface de la zone centrale, qui ne peut pas être recouverte par des pièces rectangulaires, et la surface totale de la paroi de fond, est d'autant plus faible que le nombre de côtés est peu élevé. Ainsi il est intéressant de choisir un nombre de côtés peu élevé pour limiter la surface de la zone centrale. De plus, dans ce cas, le nombre de pièces rectangulaires est nettement plus important que le nombre de pièces de liaison, ce qui est avantageux. On constate donc qu'il est nécessaire de trouver un compromis entre le coût de la structure porteuse en béton et la surface de la zone centrale. Il est difficile de trouver un compromis pleinement satisfaisant. Résumé de l'invention The center of the bottom wall must be covered by one or more special parts. The ratio between the surface of the central area, which can not be covered by rectangular pieces, and the total surface of the bottom wall, is even lower than the number of sides is low. So it is interesting to choose a low number of sides to limit the area of the central area. Moreover, in this case, the number of rectangular pieces is much larger than the number of connecting pieces, which is advantageous. It is therefore found that it is necessary to find a compromise between the cost of the concrete support structure and the surface of the central zone. It is difficult to find a fully satisfactory compromise. Summary of the invention
Un problème que la présente invention propose de résoudre est de fournir une cuve qui ne présente pas au moins certains des inconvénients précités de l'art antérieur. En particulier, un but de l'invention est de permettre de réaliser la structure porteuse de la cuve avec une quantité de matière et donc un coût limité.  A problem that the present invention proposes to solve is to provide a vessel that does not exhibit at least some of the aforementioned drawbacks of the prior art. In particular, an object of the invention is to enable the carrying structure of the vessel to be produced with a quantity of material and therefore a limited cost.
La solution proposée par l'invention est une cuve étanche et/ou thermiquement isolée, comprenant une structure porteuse, une barrière d'étanchéité et/ou une barrière thermiquement isolante, ladite barrière d'étanchéité et/ou ladite barrière thermiquement isolante présentant une forme cylindrique et comprenant une paroi verticale et une paroi de fond, dans laquelle ladite paroi verticale présente une pluralité de pans verticaux, ladite structure porteuse entourant ladite paroi verticale, et dans laquelle ladite paroi de fond inclut une pluralité de pièces rectangulaires reparties en secteurs images les uns des autres par rotation, les bords des pièces rectangulaires d'un desdits secteurs étant respectivement parallèles et perpendiculaires à l'un desdits pans verticaux, caractérisée par le fait que le nombre desdits pans verticaux est le double du nombre desdits secteurs.  The solution proposed by the invention is a sealed tank and / or thermally insulated, comprising a bearing structure, a sealing barrier and / or a thermally insulating barrier, said sealing barrier and / or said thermally insulating barrier having a shape cylindrical and comprising a vertical wall and a bottom wall, wherein said vertical wall has a plurality of vertical panels, said support structure surrounding said vertical wall, and wherein said bottom wall includes a plurality of rectangular parts divided into sectors the each other by rotation, the edges of the rectangular parts of one of said sectors being respectively parallel and perpendicular to one of said vertical panels, characterized in that the number of said vertical panels is twice the number of said sectors.
Grâce à ces caractéristiques, la cuve peut présenter un nombre de pans verticaux élevé et un nombre de secteurs plus faible. Ainsi, la quantité de matière nécessaire à réaliser la structure porteuse n'est pas trop élevée. De même, la surface de la zone centrale de la paroi de fond n'est pas trop élevée et la majeure partie de la paroi de fond peut être constituée de pièces rectangulaires.  Thanks to these characteristics, the tank can have a high number of vertical panels and a smaller number of sectors. Thus, the amount of material needed to make the carrier structure is not too high. Likewise, the surface of the central zone of the bottom wall is not too high and most of the bottom wall may consist of rectangular pieces.
De préférence, chacun desdits secteurs présente un plan de symétrie, lesdits pans verticaux incluant des premiers pans faisant chacun face à un desdits secteurs respectifs et étant agencés de manière symétrique par rapport au plan de symétrie du secteur correspondant.  Preferably, each of said sectors has a plane of symmetry, said vertical panels including first panels each facing one of said respective sectors and being arranged symmetrically with respect to the plane of symmetry of the corresponding sector.
Avantageusement, lesdits pans verticaux incluent des deuxièmes pans, chacun desdits deuxièmes pans étant agencé entre deux desdits premiers pans correspondant respectivement à deux secteurs adjacents. Selon un mode de réalisation, la paroi de fond inclut au moins une pièce trapézoïdale reliant les pièces rectangulaires d'un secteur à l'un desdits deuxièmes pans. Advantageously, said vertical panels include second panels, each of said second panels being arranged between two of said first panels respectively corresponding to two adjacent sectors. According to one embodiment, the bottom wall includes at least one trapezoidal piece connecting the rectangular parts of a sector to one of said second panels.
De préférence, ladite pièce trapézoïdale présente des ondulations s 'étendant perpendiculairement audit deuxième pan adjacent.  Preferably, said trapezoidal piece has corrugations extending perpendicularly to said second adjacent pan.
Avantageusement, ladite paroi verticale présente 56 pans verticaux.  Advantageously, said vertical wall has 56 vertical faces.
Brève description de la figure  Brief description of the figure
L'invention sera mieux comprise, et d'autres buts, détails, caractéristiques et avantages de celle-ci apparaîtront plus clairement au cours de la description suivante d'un mode de réalisation particulier de l'invention, donné uniquement à titre illustratif et non limitatif, en référence au dessin annexé. Sur ce dessin, la figure 1 est une vue partielle, de dessus et en coupe, d'une cuve selon un mode de réalisation de l'invention.  The invention will be better understood, and other objects, details, features and advantages thereof will appear more clearly in the following description of a particular embodiment of the invention, given solely for illustrative purposes and not limiting, with reference to the accompanying drawing. In this drawing, Figure 1 is a partial view, from above and in section, of a vessel according to one embodiment of the invention.
Description détaillée d'un mode de réalisation de l'invention  Detailed description of an embodiment of the invention
La cuve 1 représentée sur la figure 1 comprend une paroi verticale 2 cylindrique et une paroi de fond 3. La cuve 1 comprend également une structure porteuse 4 en béton. Sur la figure 1, on voit la partie cylindrique de la structure porteuse 4 qui entoure la paroi verticale 2 de la cuve 1.  The tank 1 shown in FIG. 1 comprises a cylindrical vertical wall 2 and a bottom wall 3. The tank 1 also comprises a concrete support structure 4. In Figure 1, we see the cylindrical portion of the supporting structure 4 which surrounds the vertical wall 2 of the vessel 1.
La paroi verticale 2 et la paroi de fond 3 présente chacune, depuis l'intérieur de la cuve vers la structure porteuse, une barrière étanche primaire, une barrière thermiquement isolante primaire, une barrière étanche secondaire et une barrière thermiquement isolante secondaire. La barrière étanche primaire est réalisée avec des pièces métalliques ondulées. La barrière thermiquement isolante primaire, la barrière étanche secondaire et la barrière thermiquement isolante secondaire sont réalisées avec des panneaux préfabriqués fixés sur la structure porteuse 4.  The vertical wall 2 and the bottom wall 3 each have, from the inside of the tank to the supporting structure, a primary watertight barrier, a primary heat-insulating barrier, a secondary watertight barrier and a secondary heat-insulating barrier. The primary waterproof barrier is made of corrugated metal parts. The primary thermally insulating barrier, the secondary watertight barrier and the secondary thermal insulating barrier are made with prefabricated panels fixed on the supporting structure 4.
Les technologies permettant de réaliser une cuve de ce type sont connues. Ci-dessous, on décrit de manière plus détaillée la forme de la cuve 1 et la disposition des pièces métalliques formant la barrière étanche primaire.  Technologies for making a tank of this type are known. Below is described in more detail the shape of the tank 1 and the arrangement of the metal parts forming the primary waterproof barrier.
Sur la paroi de fond 3 de la cuve 1, la barrière étanche primaire comprend des pièces rectangulaires 5 et des pièces de liaison 6 qui présentent des ondulations 7. Les pièces rectangulaires 5 sont réparties en secteurs images les uns des autres par rotation, de manière similaire à la disposition décrite dans le document FR 2 912 385 cité en introduction. Sur la figure 1, trois secteurs sont représentés. Les pièces de liaison 6 relient les secteurs adjacents entre eux. On the bottom wall 3 of the tank 1, the primary watertight barrier comprises rectangular pieces 5 and connecting pieces 6 which 7. The rectangular pieces 5 are distributed in rotationally image-like sectors, in a manner similar to the arrangement described in the document FR 2 912 385 mentioned in the introduction. In Figure 1, three sectors are represented. The connecting pieces 6 connect the adjacent sectors to each other.
La paroi verticale 2 a une forme de polygone régulier. Elle présente des pans verticaux 8 et 8'. Comme on peut le voir sur la figure 1, le nombre total de pans verticaux 8 et 8' est le double du nombre de secteurs de la paroi de fond 3.  The vertical wall 2 has a regular polygon shape. It has vertical panels 8 and 8 '. As can be seen in FIG. 1, the total number of vertical panels 8 and 8 'is twice the number of sectors of the bottom wall 3.
A chaque secteur de la paroi de fond 3 correspond un pan vertical Each sector of the bottom wall 3 corresponds to a vertical section
8 qui fait face au secteur correspondant. Plus précisément, chaque secteur présente un plan de symétrie et le pan vertical 8 correspondant est disposé de manière symétrique par rapport à ce plan de symétrie. Les bords de pièces rectangulaires 5 d'un secteur sont disposés respectivement perpendiculairement et parallèlement au pan vertical 8 correspondant. 8 facing the corresponding sector. More specifically, each sector has a plane of symmetry and the corresponding vertical pan 8 is arranged symmetrically with respect to this plane of symmetry. The edges of rectangular pieces 5 of a sector are arranged respectively perpendicularly and parallel to the vertical pan 8 corresponding.
Grâce à ces caractéristiques, la liaison entre les pièces rectangulaires 5 de la paroi de fond 3 et la barrière étanche primaire du pan vertical 8 correspondant peut être réalisée très facilement. Par exemple, comme le montre la figure 1, la paroi de fond 3 comprend des pièces d'extrémité 9 de forme rectangulaire, qui prolonge les pièces rectangulaires 5 et dont les ondulations 7 sont perpendiculaires au pan vertical 8.  Thanks to these characteristics, the connection between the rectangular parts 5 of the bottom wall 3 and the primary sealed barrier of the vertical pan 8 corresponding can be achieved very easily. For example, as shown in Figure 1, the bottom wall 3 comprises end pieces 9 of rectangular shape, which extends the rectangular pieces 5 and whose corrugations 7 are perpendicular to the vertical pan 8.
Deux pans verticaux 8 correspondant respectivement à deux secteurs adjacents sont reliés par un pan vertical 8'. Comme on peut le voir sur la figure 1, un pan vertical 8' fait face à la limite entre deux secteurs adjacents. A côté de chaque pan vertical 8', la paroi de fond 3 comprend deux pièces de jonction 10 et une pièce de raccord 11.  Two vertical panels 8 respectively corresponding to two adjacent sectors are connected by a vertical pan 8 '. As can be seen in Figure 1, a vertical pan 8 'faces the boundary between two adjacent sectors. Beside each vertical section 8 ', the bottom wall 3 comprises two joining pieces 10 and a connecting piece 11.
Comme le montre la figure 1, chaque pièce de jonction 10 présente une forme sensiblement trapézoïdale. Les ondulations 7 de la pièce de jonction 10 sont perpendiculaires au pan vertical 8' et rejoignent celles des pièces adjacentes. Chaque pièce de raccord 11 présente une forme similaire à celle des pièces de liaison 6, et des dimensions adaptées. La pièce de raccord 11 présente une ondulation 7 qui prolonge l'ondulation 7 centrale de la pièce de liaison 6 adjacente, et est perpendiculaire au pan vertical 8'. Ainsi, la liaison entre d'une part les pièces rectangulaires 5 de deux secteurs adjacents et les pièces de liaison 6, et d'autre part la barrière étanche du pan vertical 8', peut être réalisée facilement. As shown in Figure 1, each junction piece 10 has a substantially trapezoidal shape. The corrugations 7 of the joining piece 10 are perpendicular to the vertical pan 8 'and join those of the adjacent parts. Each connecting piece 11 has a shape similar to that of the connecting pieces 6, and adapted dimensions. The connecting piece 11 has a corrugation 7 which extends the central corrugation 7 of the connecting piece 6 adjacent, and is perpendicular to the vertical pan 8 '. Thus, the connection between on the one hand the rectangular parts 5 of two adjacent sectors and the connecting pieces 6, and on the other hand the sealed barrier of the vertical pan 8 ', can be easily achieved.
On constate donc que, sur la paroi de fond 3, la barrière étanche primaire peut être réalisée par un nombre de types de pièces peu élevé. Par rapport au document FR 2 912 385 précité, seule la pièce de jonction 10 présente une forme nouvelle. Cependant, cette pièce peut facilement être réalisée avec les techniques connues.  It can thus be seen that, on the bottom wall 3, the primary waterproof barrier can be made by a number of types of small parts. Compared to the above-mentioned document FR 2 912 385, only the joining piece 10 has a new shape. However, this piece can easily be made with known techniques.
De plus, les mêmes types de pièces métalliques peuvent être utilisés pour des cuves de tailles différentes. Il n'est pas nécessaire de concevoir des pièces spécifiques lorsqu'on réalise plusieurs cuves de tailles différentes.  In addition, the same types of metal parts can be used for tanks of different sizes. It is not necessary to design specific parts when making several tanks of different sizes.
Grâce à la structure de la cuve 1 et à la disposition des pièces métalliques de la paroi de fond 3, la cuve 1 peut présenter un nombre de pans verticaux élevé et un nombre de secteurs deux fois plus faible. Ainsi, la quantité de béton nécessaire à réaliser la structure porteuse 4 n'est pas trop élevé, et la surface de la zone centrale de la paroi de fond 3, qui ne peut pas être recouverte de pièces rectangulaires 5, n'est pas non plus trop élevée. De plus, le nombre de pièces rectangulaires 5 peut être nettement plus élevé que le nombre de pièces de liaison 6.  Thanks to the structure of the tank 1 and the arrangement of the metal parts of the bottom wall 3, the tank 1 can have a high number of vertical panels and a number of sectors two times smaller. Thus, the amount of concrete needed to make the support structure 4 is not too high, and the surface of the central zone of the bottom wall 3, which can not be covered with rectangular parts 5, is not more high. In addition, the number of rectangular pieces 5 can be significantly higher than the number of connecting pieces 6.
Une cuve 1 présentant 56 pans verticaux et 28 secteurs est par exemple particulièrement intéressante. En effet dans ce cas, la majeure partie de la paroi de fond 3 peut être recouverte par des pièces rectangulaires 5, et la quantité de béton nécessaire pour réaliser la structure porteuse 4 n'est que 7% plus élevée que pour une paroi verticale circulaire de dimension similaire.  A tank 1 having 56 vertical faces and 28 sectors is for example particularly interesting. Indeed in this case, most of the bottom wall 3 can be covered by rectangular pieces 5, and the amount of concrete needed to make the carrier structure 4 is only 7% higher than for a circular vertical wall of similar size.
Ci-dessus, on a décrit une disposition avantageuse des pièces métalliques formant la barrière étanche primaire de la paroi de fond 3. De manière correspondante, les panneaux préfabriqués formant la barrière thermiquement isolante primaire, la barrière étanche secondaire et la barrière thermiquement isolante secondaire peuvent présenter la même disposition avantageuse.  Above, an advantageous arrangement of the metal parts forming the primary waterproof barrier of the bottom wall 3 has been described. Correspondingly, the prefabricated panels forming the primary heat-insulating barrier, the secondary watertight barrier and the secondary heat-insulating barrier may present the same advantageous arrangement.
Sur la figure 1, qui est une vue en coupe prise juste au-dessus de la paroi de fond 3, on voit également des blocs d'angle 12 qui font partie de la structure d'angle permettant de relier les barrières thermiquement isolantes de la paroi de fond 3 et de la paroi verticale 2. Bien que l'invention ait été décrite en liaison avec un mode de réalisation particulier, il est bien évident qu'elle n'y est nullement limitée et qu'elle comprend tous les équivalents techniques des moyens décrits ainsi que leurs combinaisons si celles-ci entrent dans le cadre de l'invention. In Figure 1, which is a sectional view taken just above the bottom wall 3, there are also corner blocks 12 which are part of the corner structure for connecting the thermally insulating barriers of the bottom wall 3 and vertical wall 2. Although the invention has been described in connection with a particular embodiment, it is obvious that it is not limited thereto and that it comprises all the technical equivalents of the means described and their combinations if they are within the scope of the invention.

Claims

REVENDICATIONS
1. Cuve (1) étanche et/ou thermiquement isolée, comprenant une structure porteuse (4), une barrière d'étanchéité et/ou une barrière thermiquement isolante, ladite barrière d'étanchéité et/ou ladite barrière thermiquement isolante présentant une forme cylindrique et comprenant une paroi verticale (2) et une paroi de fond (3), dans laquelle ladite paroi verticale présente une pluralité de pans verticaux (8, 8'), ladite structure porteuse entourant ladite paroi verticale, et dans laquelle ladite paroi de fond inclut une pluralité de pièces rectangulaires (5) réparties en secteurs images les uns des autres par rotation, les bords des pièces rectangulaires d'un desdits secteurs étant respectivement parallèles et perpendiculaires à l'un desdits pans verticaux (8), caractérisée par le fait que le nombre desdits pans verticaux est le double du nombre desdits secteurs.  Watertight and / or thermally insulated vessel (1), comprising a supporting structure (4), a sealing barrier and / or a thermally insulating barrier, said sealing barrier and / or said thermally insulating barrier having a cylindrical shape and comprising a vertical wall (2) and a bottom wall (3), wherein said vertical wall has a plurality of vertical panels (8, 8 '), said supporting structure surrounding said vertical wall, and wherein said bottom wall includes a plurality of rectangular pieces (5) distributed in rotationally rotating sectors, the edges of the rectangular pieces of one of said sectors being respectively parallel and perpendicular to one of said vertical panels (8), characterized in that that the number of said vertical panels is twice the number of said sectors.
2. Cuve selon la revendication 1, dans laquelle chacun desdits secteurs présente un plan de symétrie, lesdits pans verticaux incluant des premiers pans (8) faisant chacun face à un desdits secteurs respectifs et étant agencés de manière symétrique par rapport au plan de symétrie du secteur correspondant.  2. Tank according to claim 1, wherein each of said sectors has a plane of symmetry, said vertical panels including first panels (8) each facing one of said respective sectors and being arranged symmetrically with respect to the plane of symmetry of corresponding sector.
3. Cuve selon la revendication 2, dans laquelle lesdits pans verticaux incluent des deuxièmes pans (8'), chacun desdits deuxièmes pans étant agencé entre deux desdits premiers pans (8) correspondant respectivement à deux secteurs adjacents.  3. Tank according to claim 2, wherein said vertical panels include second panels (8 '), each of said second panels being arranged between two of said first panels (8) respectively corresponding to two adjacent sectors.
4. Cuve selon la revendication 3, dans laquelle la paroi de fond inclut au moins une pièce trapézoïdale (10) reliant les pièces rectangulaires (5) d'un secteur à l'un desdits deuxièmes pans (8').  4. Tank according to claim 3, wherein the bottom wall includes at least one trapezoidal piece (10) connecting the rectangular parts (5) of a sector to one of said second panels (8 ').
5. Cuve selon la revendication 4, dans laquelle ladite pièce trapézoïdale présente des ondulations (7) s 'étendant perpendiculairement audit deuxième pan adjacent.  5. A vessel according to claim 4, wherein said trapezoidal piece has corrugations (7) extending perpendicularly to said second adjacent pan.
6. Cuve selon l'une des revendications précédentes, dans laquelle ladite paroi verticale présente 56 pans verticaux (8, 8').  6. Tank according to one of the preceding claims, wherein said vertical wall has 56 vertical panels (8, 8 ').
EP10781952.6A 2009-10-20 2010-10-07 Polygonal lng vessel Active EP2491293B1 (en)

Priority Applications (2)

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PL10781952T PL2491293T3 (en) 2009-10-20 2010-10-07 Polygonal lng vessel
CY20131100851T CY1114831T1 (en) 2009-10-20 2013-10-02 POLYGONIC BASE FOR LIQUID GAS

Applications Claiming Priority (2)

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FR0957349A FR2951521B1 (en) 2009-10-20 2009-10-20 POLYGONAL TANK FOR LNG
PCT/FR2010/052110 WO2011048300A1 (en) 2009-10-20 2010-10-07 Polygonal lng vessel

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EP2491293A1 true EP2491293A1 (en) 2012-08-29
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JP (1) JP2013508636A (en)
KR (1) KR20120086315A (en)
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AR (1) AR078639A1 (en)
AU (1) AU2010309683B2 (en)
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CL (1) CL2012000731A1 (en)
CO (1) CO6511259A2 (en)
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CY (1) CY1114831T1 (en)
DO (1) DOP2012000075A (en)
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FR (1) FR2951521B1 (en)
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MA (1) MA33683B1 (en)
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FR3128764B1 (en) * 2021-10-29 2023-10-27 Gaztransport Et Technigaz Calculation method for calculating dimensions of spacer elements intended for the construction of a storage facility for a liquid product
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KR20120086315A (en) 2012-08-02
AU2010309683A1 (en) 2012-06-14
FR2951521B1 (en) 2011-11-18
ZA201202838B (en) 2012-12-27
CN102597600A (en) 2012-07-18
NZ598514A (en) 2013-03-28
CL2012000731A1 (en) 2012-11-23
PL2491293T3 (en) 2013-12-31
RU2012110770A (en) 2013-11-27
IL218396A0 (en) 2012-04-30
FR2951521A1 (en) 2011-04-22
AU2010309683B2 (en) 2014-03-20
PE20121381A1 (en) 2012-10-23
TW201130723A (en) 2011-09-16
BR112012006223B1 (en) 2020-10-13
CN102597600B (en) 2013-09-25
CY1114831T1 (en) 2016-12-14
WO2011048300A1 (en) 2011-04-28
UY32957A (en) 2011-05-31
MY173175A (en) 2020-01-02
TWI404664B (en) 2013-08-11
US20120168445A1 (en) 2012-07-05
JP2013508636A (en) 2013-03-07
CU20120049A7 (en) 2012-06-21
ES2429840T3 (en) 2013-11-18
TN2012000107A1 (en) 2013-09-19
MX2012003248A (en) 2012-04-10
US8813983B2 (en) 2014-08-26
CO6511259A2 (en) 2012-08-31
IN2012DN02086A (en) 2015-08-21
RU2511988C2 (en) 2014-04-10
CA2773252C (en) 2017-11-28
AR078639A1 (en) 2011-11-23
CA2773252A1 (en) 2011-04-28
DOP2012000075A (en) 2012-06-15
MA33683B1 (en) 2012-10-01
EP2491293B1 (en) 2013-07-10
BR112012006223A2 (en) 2016-05-31

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