EP2697553B1 - Dispositif palier sur un réservoir autoportant pour liquides froids ou cryogènes - Google Patents

Dispositif palier sur un réservoir autoportant pour liquides froids ou cryogènes Download PDF

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Publication number
EP2697553B1
EP2697553B1 EP11719464.7A EP11719464A EP2697553B1 EP 2697553 B1 EP2697553 B1 EP 2697553B1 EP 11719464 A EP11719464 A EP 11719464A EP 2697553 B1 EP2697553 B1 EP 2697553B1
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EP
European Patent Office
Prior art keywords
tank
bearing
bearing bodies
arrangement according
profiles
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.)
Not-in-force
Application number
EP11719464.7A
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German (de)
English (en)
Other versions
EP2697553A1 (fr
Inventor
Reinhard Schollenberg
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.)
Nordic Yards Wismar GmbH
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Nordic Yards Wismar GmbH
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Publication of EP2697553A1 publication Critical patent/EP2697553A1/fr
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C3/00—Vessels not under pressure
    • F17C3/02—Vessels not under pressure with provision for thermal insulation
    • F17C3/025—Bulk storage in barges or on ships
    • F17C3/027—Wallpanels for so-called membrane tanks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/01—Shape
    • F17C2201/0147—Shape complex
    • F17C2201/0157—Polygonal
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/05—Size
    • F17C2201/052—Size large (>1000 m3)
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/03—Thermal insulations
    • F17C2203/0304—Thermal insulations by solid means
    • F17C2203/0354—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
    • F17C2203/0602—Wall structures; Special features thereof
    • F17C2203/0612—Wall structures
    • F17C2203/0626—Multiple walls
    • F17C2203/0631—Three or more walls
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0634—Materials for walls or layers thereof
    • F17C2203/0636—Metals
    • F17C2203/0646—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
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/01—Mounting arrangements
    • F17C2205/0153—Details of mounting arrangements
    • F17C2205/018—Supporting feet
    • 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
    • F17C2221/00—Handled fluid, in particular type of fluid
    • F17C2221/03—Mixtures
    • F17C2221/032—Hydrocarbons
    • F17C2221/035—Propane butane, 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
    • 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
    • F17C2270/00—Applications
    • F17C2270/01—Applications for fluid transport or storage
    • F17C2270/0102—Applications for fluid transport or storage on or in the water
    • F17C2270/0105—Ships
    • F17C2270/0107—Wall panels

Definitions

  • the invention relates to a bearing arrangement on a self-supporting or independent tank for cold or cryogenic liquids.
  • the bearing arrangement according to the invention is preferably used for fastening tanks for the transport and / or storage of cold or cryogenic liquids on board ships or other floating units or on offshore structures.
  • Cryogenic liquids are characterized by low boiling points. They are therefore transported or stored at very low temperatures. These are in particular liquefied natural gas, methane, propane, butane or other cryogenic liquids. For liquefied methane (LNG) the transport or storage temperature is about minus 164 ° C.
  • Liquefied gas tankers with self-supporting tanks made of nickel-alloyed steel are known.
  • the tanks have a prismatic shape adapted to the cross section of a ship's hull. They are welded together from steel plates and steel profiles.
  • wooden bearing bodies are glued to the tank bottom wall and the tank top wall.
  • the bearing bodies are mounted in thrust bearings and thrust bearings in the ship's bottom or on the loading compartment deck wall of the ship.
  • Shear bearings are arranged along the central longitudinal axis and the center transverse axis of the tank and the remaining bearings are thrust bearings.
  • the cooling down of the tank to operating temperature is associated with a severe shrinkage of the tank structure.
  • the wooden bearing bodies hardly shrink.
  • US-A-2,905,352 describes a bearing assembly on a self-supporting tank for cold or cryogenic liquids with a tank shell made of metal, which bounds with a tank bottom wall, tank side walls and a tank top wall a tank space.
  • a tank shell made of metal
  • On the underside of the tank bottom wall bearing bodies made of wood for storage on foundations are arranged.
  • holding structures are provided on the underside of the tank bottom wall, which engage in slots of the bearing body, wherein there are gaps at ambient temperature between the support structures and the bearing bodies.
  • the object of the invention is to provide a storage of a tank for cold or cryogenic liquids, which is less prone to damage by heat shrinkage.
  • the cooling of the tank to operating temperature is associated with storage of cryogenic liquids at a high cost. As a result, the tank is kept regularly at regular operating temperature. This can be ensured by always leaving a minimum filling quantity of the cold or cryogenic liquid in the tank and, if necessary, cooling it.
  • the tank is thus basically permanently immovable held by the support structures.
  • Another advantage of the bearing assembly according to the invention is that in case of failure of the bearing body they are easily replaceable. For this purpose, after heating the tank to ambient temperature, only the support structures must be partially removed. The bearing bodies are then removed from the support structures. The costly loosening of a high-strength adhesive bond, which may be associated with further damage of structural parts, is eliminated.
  • the gaps are dimensioned such that at operating temperature, the holding structures lie just gap-free on the bearing bodies. Further preferably, the holding structures are frictionally against the bearing bodies at the operating temperature.
  • the gaps between the support structures and the bearing bodies are designed with respect to an ambient temperature of 15 ° to 25 ° C and for an operating temperature of minus 155 ° to minus 175 ° C. Further preferably, the ambient temperature is about 20 ° C and the operating temperature is about minus 164 ° C.
  • distance compensation elements are inserted in gaps between the support structures and the bearing bodies.
  • the distance compensating elements allow adjustment of the widths of the gaps so that they are completely closed at operating temperature.
  • the distance compensation elements are, for example, distance compensation plates.
  • distance compensation elements made of stainless steel are used.
  • further bearing bodies made of wood for supporting on further foundations are arranged on the upper side of the tank top wall and are on arranged on the top of the tank top wall further retaining structures which surround at least the lower edge region of the other bearing body, wherein at ambient temperature between the other support structures and the other bearing bodies are gaps which are such that they close when the tank is cooled to operating temperature , so that the further holding structures abut the other bearing bodies.
  • the other bearing bodies are used in particular for a floating unit to support the tank in the event of a floating, which could occur when the tank receiving the cargo space is flooded.
  • the inventive arrangement of bearing bodies on the tank top wall also avoids damage due to the heat shrinkage during cooling of the tank to operating temperature.
  • the bearing bodies have outwardly projecting flanges and surround the support structures at ambient temperature, the flanges with means for gripping the flanges. As a result, the bearing bodies are already held at ambient temperature on the tank. As a result, it is particularly possible to completely prefabricate the tanks and push them into a hull.
  • the bearing bodies are already attached to the tank during production and hang under the tank or are mounted on the tank when it is used in a hull, another floating unit or an offshore structure.
  • Suitable bearing bodies for the storage of cryogenic tanks are commercially available.
  • bearing bodies made of laminated, compressed wood are suitable. If necessary. the wood is impregnated with a resin or other impregnating agent.
  • Suitable bearing bodies are commercialized, for example, by the German wood refining Schmeing GmbH & Co. KG, Kirchhundem, Germany, under the trademark "dehonit®".
  • the bearing bodies are substantially cuboid .
  • the holding structures in the longitudinal direction of the tank directed holding profiles and directed transversely of the tank holding profiles, wherein the bearing bodies are each enclosed by two longitudinal holding profiles and two transverse holding profiles.
  • the longitudinal direction in the longitudinal direction of the floating unit and the transverse direction in the transverse direction of the floating unit usually extend.
  • the longitudinal holding profiles and the transverse holding profiles are not connected to one another at the end. This prevents the longitudinal and transverse holding profiles from hindering during heat shrinkage so that the gaps do not close sufficiently.
  • the holding profiles are L-profiles, wherein the vertical L-profile legs surround the bearing body laterally and the horizontal L-profile legs are means for gripping around the flanges of the bearing body.
  • the holding profiles are stabilized on the sides facing away from the bearing bodies via support plates, which are fastened to the tank shell.
  • the longitudinal holding profiles and / or the transverse holding profiles are connected to each other by connecting profiles.
  • the connection profiles can also be formed by the longitudinal ones Holding profiles and / or the transverse holding profiles between adjacent support structures continue. This embodiment of the holding structures ensures uniform support of the tank bottom wall and / or the tank top wall of the tank.
  • the bearing bodies are arranged at a distance from each other in rows, which are in the longitudinal direction of the tank and in the transverse direction, extending the tank.
  • a support of the tank is achieved, which reduces loads on the tank structure.
  • material is saved because the bearing bodies are arranged at a distance from each other.
  • hydraulic lifting devices can be placed in the spaces between the bearing bodies, which allow lifting of the tank from a substrate during installation or removal or when replacing bearing bodies.
  • the tank shell has outwardly projecting ribs on which the retaining structures are attached.
  • the ribs allow welding of the support structures without thermal impairment of the tank shell by heat input during welding. This advantage is also achieved when the tank shell has floor balancing plates connected to the ribs on which the support structures are mounted.
  • the ribs extending in the transverse direction and / or in the longitudinal direction of the tank and the transverse retaining profiles linearly fixed to the transverse ribs and the longitudinal holding profiles at the crossing points fixed to the transverse ribs and / or the longitudinal retaining profiles are linear on the longitudinal Fixed ribs and the transverse holding profiles at the intersection points punctiform on the fixed longitudinal ribs.
  • the tank has only transverse ribs.
  • the bearing arrangement is arranged in a hull or in an offshore structure, the hull or the offshore structure having thrust foundations and pressure foundations, the thrust foundations laterally bordering the bearing bodies of the tank only at two opposite edges and the pressure foundations the bearing bodies not laterally bordering, wherein the thrust foundations are arranged on two intersecting axes in the longitudinal direction and in the transverse direction of the tank and the thrust foundations each enclose the bearing bodies parallel to the axes on which they are arranged.
  • the retaining structures and / or the ribs are made of light metal and / or the retaining structures and / or the ribs and / or the tank shell are connected to one another by welding.
  • the tank and / or the support structure and / or the ribs are made of aluminum or of an aluminum alloy.
  • top and bottom refer to an orientation of the tank with horizontal tank bottom wall and tank top wall and an arrangement of the tank top wall above the tank bottom wall.
  • the bearing assembly is formed on a self-supporting tank of extruded profile supports made of aluminum, an aluminum alloy or another light metal.
  • Several parallel beam profiles are welded together to form panels. The panels are possibly. Connected by corner profiles or connecting profiles together to form a tank shell.
  • the tank is a tank with a double tank shell.
  • the double-hull tank may be a Type A or Type B tank according to the IGC code.
  • the tank can in principle be constructed as the self-supporting tank according to the embodiments of the international patent application PCT / EP 2010/006954 , The relevant embodiments of the aforementioned patent application are incorporated by reference in the present patent application.
  • extruded light metal profiles requires a high support by tank farms, especially in the area of the tank side walls (also called “tank bulkheads") and in the area of the longitudinal frame of the tank shell.
  • a plurality of bearing bodies 1, 2 are arranged.
  • the bearing bodies 1 are thrust bearing bodies, ie they are subjected essentially to pressure.
  • the bearing bodies 2 are thrust bearing bodies, ie they are essentially subjected to thrust and pressure.
  • the thrust bearing body 2 are prevented from shifting in the plane perpendicular to the lines 3.
  • the thrust bearing body 1, however, are displaceable in the plane in any direction.
  • the foundations for the thrust bearing body 1 and the thrust bearing body 2 are formed according to the hull, which will be discussed below.
  • Fig. 2 shows a tank 40, which is composed of panels 41, which in turn consist of individual profile beams 42.
  • the panels 41 are assembled by means of connecting profiles 43 and corner profiles 44.
  • the tank 40 has a tank bottom wall 45, tank side walls 46, 47 on the longitudinal sides with chamfers 46.1, 46.2 and 47.1, 47.2 and tank side walls 48, 49 (the latter is in Fig. 2 not visible) on the transverse sides. Above he has a tank top 50.
  • the bearing body 1, 2 are fixed from wood.
  • the tank 29 is in Fig. 2 when inserted into a ship's hull 29 shown.
  • the hull has a ship bottom 32, ship side walls 31 and a ship deck structure 30.
  • the ship deck structure 30 is not yet seated on the ship side walls 31.
  • foundations 33 for thrust bearings and other foundations 33 for thrust bearing are located on the bottom of the ship deck structure 30.
  • Fig. 2 removable, that projecting from the outside of the tank 1 transversely directed ribs 36 to the outside.
  • transverse ribs 36 are connected by welded horizontal ground leveling plates 10.
  • the transverse ribs 36 are crossed by longitudinal holding profiles 4 in the form of L-profiles.
  • the longitudinal holding profiles 4 are welded at the intersections with the transverse ribs with these.
  • the longitudinal retaining profiles 4 are welded to the ground leveling plates 10.
  • transverse holding profiles 5 are placed in the form of L-profiles on the transverse ribs 36.
  • the transverse holding profiles 5 are linearly welded to the transverse ribs 36.
  • the longitudinal holding profiles 4 and the transverse holding profiles 5 define rectangular holding structures.
  • the angled legs of the L-profiles 4, 5 are directed inwardly over the support structures 12.
  • Adjacent support structures 12 are spaced from each other.
  • the longitudinal profiles 4 of adjacent support structures 12 are interconnected by connecting beams 7.
  • the longitudinal profiles 4 are stabilized on the outside via support plates 6.
  • the support plates 6 are welded to the vertical legs of the L-profiles and welded to the edges of the transverse ribs 36.
  • the support plates 6 are arranged perpendicular to the tank bottom wall 45.
  • FIG. 5 Further supporting plates 6.1 are arranged between the longitudinal holding profiles 4 and the transverse holding profiles 5, wherein these further supporting plates 6 are arranged parallel to the tank bottom wall 45.
  • the floor leveling panels 10 may be limited to the areas between the support structures 12 or may extend over the entire tank walls 45-50.
  • the bearing bodies 1, 2 are according to Fig. 3 . 7, 8 used in the support structures 11.
  • the bearing bodies 1, 2 have at the edge, which faces the tank structure, an outwardly projecting flange 1.1, 1.2.
  • the flange 1.1, 2.1 is encompassed by the L-profiles 4, 5.
  • a gap 11 is present at ambient temperature (about 20 ° C) between the holding profiles 4, 5 and the flange 1.1, 2.1.
  • the gap 11 is formed between the flange 1.1, 2.1 and a plate-shaped spacer compensation element 9.
  • the bearing bodies 1, 2 are positively connected to the support structures 12 at ambient temperature.
  • the gap 11 is sized to close when the tank reaches operating temperature (e.g., minus 164 ° C for liquefied natural gas).
  • the holding profiles 4, 5 are non-positively on the edges of the flanges 1.1, 2.1 at.
  • the tank 40 can be used with the attached bearing bodies 1, 2 in the hull.
  • Foundations 33 are present, which have a storage table 33.2 without lateral guide plates 34. On these foundations 33.2 bearing body 1 are displaced in any direction.
  • the bearing bodies 1, 2 have laterally projecting retaining wings 1.2, 2.2 for insulating material with which the tank 40 is surrounded ( Fig. 8 ).
  • the bearing body arrangement according to the invention overcomes this by incorporating the support structures for the bearing bodies in the structure of the tank.
  • the incorporation of the support structures into the structure of the tank is achieved by the bearing body arrangement according to the invention, taking into account structural and welding aspects.
  • the ship operator in case of failure of the bearing body has the ability to easily replace them.
  • the bearing bodies can be removed relatively quickly from the holding structures and reinserted.

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  • 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)

Claims (17)

  1. Dispositif palier sur un réservoir autoportant pour liquides froids ou cryogènes, avec
    • une enveloppe de réservoir (35) en métal léger, qui limite un espace de réservoir par une paroi de fond du réservoir (45), des parois latérales du réservoir (467 à 49) et une paroi supérieure du réservoir (50),
    • des corps de palier (1, 2) en bois, arrangés sur le côté inférieur de la paroi de fond du réservoir (45) pour être supportés sur des fondations (33), et
    • des structures de retenue (12) sur le côté inférieur du fond du réservoir (45), qui encadrent le corps de palier (1, 2) au moins dans la zone de bord supérieure, des fentes (11) existant entre les structures de retenue et le corps de palier chez température ambiante, qui sont dimensionnées tellement qu'ils se ferment quand le réservoir (40) est refroidi à la température de fonctionnement, de sorte que les structures de retenue (12) sont bien serrées aux corps de palier (1, 2) chez la température de fonctionnement du réservoir (40),
    • dans lequel les corps de palier (1, 2) ont des brides (2.1) en saillie à l'extérieur et les structures de retenue (12) saisirent les brides (2.1) par des moyens pour saisir les brides (2.1).
  2. Dispositif palier selon la revendication 1, dans lequel les fentes (11) sont dimensionnées en vue d'une température ambiante de 15° à 25°C, et d'une température de fonctionnement de minus 155° à minus 175°C.
  3. Dispositif palier selon la revendication 1 or 2, dans lequel des éléments de compensation de distance (9) sont insérés dans des fentes (11) entre les structures de retenue (12) et les corps de palier (1, 2).
  4. Dispositif palier selon l'une quelconque des revendications 1 à 3, dans lequel des autres corps de palier (1, 2) en bois sont arrangés sur le côté supérieur de la paroi supérieure du réservoir (50) sur des autres fondations (33) pour les supporter, et autres structures de retenue (12) sont arrangées sur le côté supérieur de la paroi supérieure du réservoir (50), qui encadrent au moins la zone de bord inférieure des autres corps de palier (1, 2), chez température ambiante, des fentes (11) existant entre les autres structures de retenue (12) et les autres corps de palier (1, 2), qui sont dimensionnées tellement qu'ils se ferment quand le réservoir (40) est refroidi à la température de fonctionnement, de sorte que les autres structures de retenue (12) conforment étroitement aux autres corps de palier chez la température de fonctionnement.
  5. Dispositif palier selon l'une quelconque des revendications 1 à 4, dans lequel les moyens pour saisir saisirent les brides (2.1) chez température ambiante.
  6. Dispositif palier selon l'une quelconque des revendications 1 à 5, dans lequel les corps de palier (1,2) sont essentiellement en forme de parallélépipède.
  7. Dispositif palier selon l'une quelconque des revendications 1 à 6, dans lequel les structures de retenue (12) comportent des profils de retenue dirigés dans la direction longitudinale du réservoir (40), et des profils de retenue dirigés dans la direction transversale du réservoir (40), les corps de palier (1, 2) chacun étant encadré par deux profils de retenue longitudinalement dirigées, et par deux profils de retenue dirigés dans le sens transversal..
  8. Dispositif palier selon la revendication 17, dans lequel les profils de retenue longitudinalement dirigés et les profils de retenue dirigés au sens transversal ne sont pas reliés l'un à l'autre dans leurs côtés extrêmes.
  9. Dispositif palier selon l'une quelconque des revendications 1 à 4 et selon la revendication 7 ou 8, dans lequel les profils de retenue sont des profils en forme de L, les côtés verticales des profils en forme de L latéralement embrassent les corps de palier (1, 2) et les côtés horizontales des profils en forme de L sont des moyens pour embrasser les brides (2.1) des corps de palier (1, 2).
  10. Dispositif palier selon l'une quelconque des revendications 7 à 9, dans lequel aux côtés opposés au corps de palier (1, 2), les profils de retenue sont stabilisés par des plaques de support (6) qui sont fixées dans l'enveloppe du réservoir (33).
  11. Dispositif palier selon l'une quelconque des revendications 7 à 10, dans lequel les profils de retenue dirigés dans la direction longitudinale et/ou les profils de retenue dirigés dans la direction transversale sont reliés l'un à l'autre par des profils de connexion (43).
  12. Dispositif palier selon l'une quelconque des revendications 1 à 11, dans lequel les corps de palier (1, 2) sont arrangés en une distance l'un à l'autre dans des séries qui s'étendent dans la direction longitudinale du réservoir (40) et dans la direction transversale du réservoir.
  13. Dispositif palier selon l'une quelconque des revendications 1 à 12, dans lequel l'enveloppe du réservoir (35) a des nervures (36) en saillie vers l'extérieur sur lesquels sont fixées les structures de retenue (12).
  14. Dispositif palier selon l'une quelconque des revendications 1 à 13, dans lequel l'enveloppe du réservoir (35) a des plaques de compensation de fond (10) reliées aux nervures (36), sur lesquels sont fixées les structures de retenue (12).
  15. Dispositif palier selon la revendication 13 or 14, dans lequel les nervures (36) s'étendent dans la direction transversale et/ou dans la direction longitudinale du réservoir (40), et les profils de retenue dirigés dans la direction transversale sont fixés en forme de ligne dans les nervures dirigées dans le sens transversal, et les profils de retenue dirigés dans le sens longitudinal sont fixés dans les profils de retenue dirigés dans le sens transversal par points et/ou les profils de retenue dirigés dans la direction longitudinale sont fixés en forme de ligne dans les nervures dirigées dans le sens longitudinal, et les profils de retenue dirigés dans le sens transversal sont fixés par points dans les croisements sur les nervures dirigées dans le sens longitudinal.
  16. Dispositif palier selon l'une quelconque des revendications 1 à 15 dans une coque de bateau ou dans un bâtiment en mer, dans lequel la coque de bateau ou le bâtiment en mer comporte des fondations à poussée et des fondations à pression, les fondations à poussée encadrant les corps de palier (1, 2) du réservoir (40) latéralement seulement dans deux bords opposés, et les fondations à pression ne pas latéralement encadrant les corps de palier (1, 2), les fondations de poussée étant arrangées sur deux des axes qui se croisent dans la direction longitudinale et dans la direction transversale du réservoir (40), les fondations de poussée encadrant les corps de palier en parallèle aux axes sur lesquels elles sont arrangées.
  17. Dispositif palier selon l'une quelconque des revendications 1 à 16, dans lequel les structures de retenue (12) et/ou les nervures (36) consistent de métal léger et/ou les structures de retenue (12) et/ou les nervures (36) et/ou l'enveloppe du réservoir (35) sont reliées l'une à l'autre par soudure.
EP11719464.7A 2011-04-14 2011-04-14 Dispositif palier sur un réservoir autoportant pour liquides froids ou cryogènes Not-in-force EP2697553B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2011/001901 WO2012139599A1 (fr) 2011-04-14 2011-04-14 Dispositif palier sur un réservoir autoportant pour liquides froids ou cryogènes

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EP2697553A1 EP2697553A1 (fr) 2014-02-19
EP2697553B1 true EP2697553B1 (fr) 2015-08-12

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Application Number Title Priority Date Filing Date
EP11719464.7A Not-in-force EP2697553B1 (fr) 2011-04-14 2011-04-14 Dispositif palier sur un réservoir autoportant pour liquides froids ou cryogènes

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EP (1) EP2697553B1 (fr)
WO (1) WO2012139599A1 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2905352A (en) * 1958-06-24 1959-09-22 Constock Int Methane Ltd Storage tank and means for support of same
NL267430A (fr) * 1960-08-03
US3064612A (en) * 1960-10-20 1962-11-20 Maryland Shipbuilding And Dryd Carrier constructions for bulk fluids
BE615094A (fr) * 1961-03-16
US3305122A (en) * 1964-09-04 1967-02-21 Exxon Research Engineering Co Keyed cargo container

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WO2012139599A1 (fr) 2012-10-18
EP2697553A1 (fr) 2014-02-19

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