EP2487400A1 - LNG-Speicherbehälter - Google Patents

LNG-Speicherbehälter Download PDF

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Publication number
EP2487400A1
EP2487400A1 EP11154318A EP11154318A EP2487400A1 EP 2487400 A1 EP2487400 A1 EP 2487400A1 EP 11154318 A EP11154318 A EP 11154318A EP 11154318 A EP11154318 A EP 11154318A EP 2487400 A1 EP2487400 A1 EP 2487400A1
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EP
European Patent Office
Prior art keywords
concrete
lng
walls
storage tank
roof
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Ceased
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EP11154318A
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English (en)
French (fr)
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designation of the inventor has not yet been filed The
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Stamicarbon BV
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Stamicarbon BV
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Priority to EP11154318A priority Critical patent/EP2487400A1/de
Priority to PCT/NL2012/050080 priority patent/WO2012112038A1/en
Priority to EP12705498.9A priority patent/EP2676066A1/de
Priority to CN2012800087305A priority patent/CN103370567A/zh
Publication of EP2487400A1 publication Critical patent/EP2487400A1/de
Ceased legal-status Critical Current

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    • 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
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/01—Shape
    • F17C2201/0104—Shape cylindrical
    • F17C2201/0109—Shape cylindrical with exteriorly curved end-piece
    • 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
    • F17C2201/0128—Shape spherical or elliptical
    • 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
    • F17C2201/01—Shape
    • F17C2201/0147—Shape complex
    • F17C2201/0166—Shape complex divided in several chambers
    • 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
    • F17C2203/0329—Foam
    • F17C2203/0333—Polyurethane
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/03—Thermal insulations
    • F17C2203/0304—Thermal insulations by solid means
    • F17C2203/0354—Wood
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/03—Thermal insulations
    • F17C2203/0304—Thermal insulations by solid means
    • F17C2203/0358—Thermal insulations by solid means in form of panels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0602—Wall structures; Special features thereof
    • F17C2203/0612—Wall structures
    • F17C2203/0626—Multiple walls
    • F17C2203/0631—Three or more walls
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0634—Materials for walls or layers thereof
    • F17C2203/0636—Metals
    • F17C2203/0648—Alloys or compositions of metals
    • F17C2203/0651—Invar
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • 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
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/04—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by other properties of handled fluid before transfer
    • F17C2223/042—Localisation of the removal point
    • F17C2223/046—Localisation of the removal point in the liquid
    • F17C2223/047—Localisation of the removal point in the liquid with a dip tube
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
    • F17C2227/01—Propulsion of the fluid
    • F17C2227/0128—Propulsion of the fluid with pumps or compressors
    • F17C2227/0135—Pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
    • F17C2227/01—Propulsion of the fluid
    • F17C2227/0128—Propulsion of the fluid with pumps or compressors
    • F17C2227/0171—Arrangement
    • F17C2227/0178—Arrangement in the vessel
    • 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 invention is in the field of the storage of natural gas.
  • the invention pertains to ultra-large storage tanks for liquefied natural gas (LNG).
  • LNG liquefied natural gas
  • the invention pertains to the use of concrete structures for the storage of LNG and to the use of an LNG Insulating Membrane as a lining in an on-shore concrete LNG storage tank.
  • Natural gas can generally be stored in two forms, either as a gas reinjected under pressure in geological underground structures, or in a liquefied (LNG) form, typically refrigerated at about -160°C at near atmospheric pressure in cylindrical insulated tanks.
  • LNG liquefied
  • Geological structures could be aquifer layers, depleted oil or gas fields, and salt caverns created by dissolution in salt domes or salt lays.
  • LNG storage is considered to be more costly than underground storage. Its use is currently limited to specific situations, for which underground storage is not an option.
  • the operational storage at LNG receiving terminals to store the unloading LNG ship capacity, plus a shipping margin for a few days of send-out, or for peak storage facilities to be built near large gas consuming areas, to offset a short period of peak consumption.
  • Such LNG storage facilities are based on one or a few LNG tanks of unit capacities up to 200,000 m 3 .
  • larger LNG storage facilities comprising a larger number of tanks (e.g. 7 to 10 tanks of nominal capacities of 180,000 to 200,000 m 3 are existing in Japan and Korea where no adequate underground structure are available to solve consumption variations. It would be desired to provide larger tanks, so as to achieve a higher storage capacity, or a similar capacity on the basis of a lower number of tanks.
  • Underground storages are mostly dedicated to solve the seasonal or strategic storage requiring much larger capacities.
  • the salt cavern storages have more reduced capacities but still higher than current typical LNG storage. They are playing an intermediate function, as they are able, like also LNG storage, to deliver high flow rates within short notice.
  • cryogenic metallic plates mostly 9% nickel steel
  • the metallic vessel is, in most cases, included in an external prestressed concrete envelop which gives a secondary barrier.
  • the size of such technology is limited, on account of structural limitations imposed by the use of concrete (for which the cover, i.e. a concrete dome is limiting), as well as by weldability issues on account of the thickness of 9% Ni Steel plates.
  • a multilayer structure typically comprising a stainless steel lining (this is also sometimes referred to as the membrane, while also the term 'membrane technology' is used to denote the entire multilayer structure), several insulation layers and optionally another metal containment layer.
  • membrane technology In the field of LNG storage, the term "membrane technology" is generally recognized as denoting a structure incorporating three functions:
  • on-shore tanks the latter results in load-transfer to a concrete shell.
  • the insulation is provided by a flexible membrane capable of bearing thermal contraction at -160°.
  • Cold insulation is provided, between membrane and the internal surface of the concrete structure, by typically rigid insulation panels able to transmit the hydrostatic LNG pressure to the external structure,
  • the membrane technology is largely used for the LNG ship carriers, where its adaptability to the ship's hull compartment shape allows a better hull space utilization than a containment system on the basis of self supporting spheres.
  • a storage tank for liquefied natural gas comprising a prestressed concrete shell and a membrane type internal containment system wherein the concrete shell comprises a concrete slab substantially parallel to a ground surface, at least two concrete walls extending vertically from said slab, said walls defining an open space, wherein the open space is covered by a concrete roof, and wherein the floor, the walls, and the roof together form a closed compartment.
  • LNG liquefied natural gas
  • the invention provides the use of a membrane-type LNG containment as a lining in an on-shore concrete LNG storage tank, wherein the concrete comprises a structure comprising a concrete floor substantially parallel to a ground surface, at least two concrete walls extending vertically from said floor, said walls defining an open space, wherein the open space is covered by a concrete roof, and wherein the floor, the walls, and the roof together form a closed compartment.
  • the invention pertains to the use of a concrete structure comprising a concrete floor substantially parallel to a ground surface, at least two concrete walls extending vertically from said floor, said walls defining an open space, wherein the open space is covered by a concrete roof, and wherein the floor, the walls, and the roof together form a closed compartment, and wherein the concrete structure comprises a lining in accordance with membrane technology, for the storage of LNG.
  • Fig. 1 presents a schematic drawing of an on-shore LNG storage tank as used in the art
  • Figs. 2-3 represent schematic drawings of one embodiment of the invention, in the form of a parallelepipedic design (PLP type); Fig. 2 is a ground plan;
  • Fig. 3 is a cross-section of part of the tank.
  • Figs.4-6 represent schematic drawings of one embodiment of the invention (annular design) (ANL type);
  • Fig. 4 is a ground plan;
  • Fig. 5 is a cross-section of part of the concrete structure;
  • Fig. 6 is a cross section over the diameter of the annular tank.
  • Fig. 7 a-c depict some exemplary ground plans of LNG storage tanks of the invention.
  • the invention is based on the judicious recognition that other shapes of concrete external shell than the traditional cylindrical design, will enable building much larger LNG storage tanks than assumed thus far.
  • a concrete structure is provided of a very large volume (e.g. above 300,000 m 3 ), while still allowing to be covered with a roof of limited span.
  • the concrete housing of the invention is provided with any kind of liquid and gas-tight lining that is not subject to size or shape limitations due to thermal dilatation effects or hydrostatic load and which has or will be certified to be used for LNG storage.
  • membrane technology refers to a membrane-type internal containment system that generally comprises a laminate of a plurality of barrier layers and insulating layers. Generally one or more layers of a barrier material are put on the LNG- containment side and within the insulating layers.
  • the insulating layers generally comprise a multilayer structure, e.g. a laminate comprising stainless steel, and one or more insulating layers, generally in the form of panels.
  • membrane technology Several types of “membrane technology” have been developed, using different types of membrane or insulation types, and using also different secondary barrier inside the membrane insulation sandwich.
  • One of the most preferred forms of membrane technology is a system disclosed by GTT in, inter alia, US 2005 / 0082297 A1 , which uses one corrugated stainless steel membrane, insulation provided by rigid polyurethane foam included in plywood forming load bearing panels, and a secondary barrier made of triplex, a membrane made of aluminum sheet inserted in two layers of woven fiber glass.
  • GTT Gaztransport & Technigaz
  • the set of layers other than the stainless steel membrane are together referred to as an insulating panel.
  • the insulating panel is anchored to a concrete wall, by anchoring elements such as mastic and studs.
  • the secondary barrier is e.g. a composite material comprising an aluminum sheet inserted between two layers of woven fiber glass.
  • LNG Insulating Membrane generally refers to a multilayer structure comprising a metal layer that is to form the inside (i.e. the LNG containment side) of a storage tank, an insulating layer placed on the outside (i.e. facing in the opposite direction from the LNG containment) of the metal layer, and a second metal or composite layer placed on the outside of or within the insulating layer, thus forming a laminate of several consecutive layers: metal - plywood - insulation - secondary barrier - insulation - plywood - .
  • Other configurations than this sandwich multilayer including different orders of layers and larger numbers of layers, are conceivable.
  • the multilayer structure in an LNG membrane generally refers to layers that are connected, but which are capable of movement relative to each other.
  • a preferred LNG Insulating Membrane comprises primary and secondary membranes both made from Invar (a 36% nickel-steel alloy).
  • the invention provides an at least bifold recognition. On the one hand, that LNG Insulating Membranes do not bring about limitations as to size. Thus, this technology can be used in accordance with the invention to provide LNG storage tanks, on shore, of larger size than have existed. On the other hand, the invention provides the acknowledgement that the size limitations of cupola structures in concrete can be avoided for LNG storage tanks.
  • the invention provides a shape for the concrete housing that is, in its simplest form, a floor representing a rectangular plane, provided with four walls, each defining a side of said plane, and a roof covering said walls.
  • the volume of the structure is given by the mere heights and lengths of the walls.
  • the walls generally are two long walls extending preferably substantially parallel to each other (longitudinal walls) and two walls connecting at either end the two longitudinal walls with each other, i.e. transversal walls. This design is referred to as a parallelepiped (PLP) tank.
  • PLP parallelepiped
  • the ability to construct a roof of limited span is given by the limited span provided by the limited width of this parallelepipedic form to which the non limited length will give the required volume.
  • the hydrostatic load applied to the vertical walls is taken by way of prestressing and by regularly spaced reinforcement buttresses.
  • the longitudinal walls need not be parallel to each other. In that case the transversal walls will simply have different lengths.
  • the walls can extend perpendicular to the floor, but it is also conceivable that one or more of the walls are tilted, i.e. making an angle different from 90° with the floor.
  • the LNG storage tank of the invention can have a number of walls different from four.
  • an angular structure can be built having more than four walls.
  • the ground plane has an L-shape, an H-shape, a U-shape, or any other shape in which a three-dimensional volume can be realized in concrete, without the limitations associated with a concrete roof that needs to span a cylinder as is currently done in the art.
  • the at least two walls can refer to a single wall in which, other than in the case of a cylindrical structure, at least two different segments of the wall can be distinguished.
  • Such different segments can, e.g. be, two substantially parallel segments, or they can be the different segments (longitudinal and transversal) recognized in an ellipse.
  • the at least two walls can be in the form of segments of a single wall having a semi-circular or elliptical shape.
  • the walls are concentric vis-à-vis each other, and more preferably annular. I.e., here only two walls are required. It is conceivable to extend the concentric design with one or more further walls, i.e. viewed from the top these represent a plurality of concentric circles.
  • the LNG storage tank of the invention can be placed above ground, but can also be realized with an embankment, or semi-buried.
  • the annular design is preferred, as this shape will be better capable of bearing the soil pressure.
  • the material in which the concrete housing is built is prestressed concrete. It is well-known to the skilled person in building LNG storage tanks how to provide concrete suitable for building LNG storage tanks, and how to build the tanks.
  • the designs according to the invention represent shapes that a skilled person can easily build in prestressed concrete.
  • the LNG storage tank of the invention comprises a closed compartment
  • this refers to a compartment capable of containment of LNG. This does not exclude the presence of any valves, doors, or other facilities that may result in the closed compartment to be opened.
  • the roof can have any shape, e.g. a flat roof, a gabled roof, a hip roof, an arched roof, which are all shapes that by mere lengthening of the longitudinal dimension of the housing can support a larger volume than a domical roof (i.e. a cupola).
  • Both of these examples can be built with a height similar to that of conventional storage tanks, which is typically 30 to 50 meters.
  • the LNG storage tanks of the invention further comprise those facilities that are known in the art as required for LNG storage.
  • the tanks will have , several LNG- and utilities-connections with external networks and internal pumps for pumping LNG out of the tank.
  • the invention brings about further advantages.
  • the aforementioned height is reduced by the bottom minimum level and top margin to give, for instance, for a wall height of 37 meters a working height of LNG of about 30 meters.
  • a larger working height can be obtained in several ways.
  • One is related to columns that are normally present to accommodate internal pumps in the storage tank. By placing the bottom of this column in an insulated pit, some 2 to 2.5 meters height of the pumps suction head can be saved. This is allowed by the fact no displacement of the pit will result from thermal contraction of the membrane tank liner , contrary to a bottom comprising 9% Ni steel plates.
  • a preferred embodiment provides for installing the normally internal pumps outside of the tank, in the confined internal concrete cylindrical wall, and to feed them by piping branched through bottom of the cryogenic containment. This is allowed because, in this case, any leak will be confined in this internal wall.
  • the external pumps could be direct HP (High Pressure) pumps, thus avoiding a two stages pumping (LP in-tank pumps + external HP pumps).
  • a major advantage is that the new designs require much less space and limit the number of internal equipments (pumps, instrumentation) and network connections, to two sets instead of 9.
  • the invention pertains to concrete structures some of which may have existed before in buildings for different purposes.
  • the presence of an LNG-tight lining, the inlet and outlet, and one or more pumps readily distinguishes the concrete housing of the invention from edifices for other purposes.
  • the invention relates to a concrete, membrane technology-lined tank as described hereinbefore, containing LNG.
  • the invention puts to use an LNG membrane technology (membrane technology as known in the field of LNG storage), for building on-shore concrete LNG storage facilities of increased capacity.
  • the invention puts to use a concrete structure of the type described hereinbefore, for the storage of LNG.

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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)
EP11154318A 2011-02-14 2011-02-14 LNG-Speicherbehälter Ceased EP2487400A1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP11154318A EP2487400A1 (de) 2011-02-14 2011-02-14 LNG-Speicherbehälter
PCT/NL2012/050080 WO2012112038A1 (en) 2011-02-14 2012-02-14 Lng storage tank
EP12705498.9A EP2676066A1 (de) 2011-02-14 2012-02-14 Lng-speicherbehälter
CN2012800087305A CN103370567A (zh) 2011-02-14 2012-02-14 Lng储存罐

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP11154318A EP2487400A1 (de) 2011-02-14 2011-02-14 LNG-Speicherbehälter

Publications (1)

Publication Number Publication Date
EP2487400A1 true EP2487400A1 (de) 2012-08-15

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EP11154318A Ceased EP2487400A1 (de) 2011-02-14 2011-02-14 LNG-Speicherbehälter
EP12705498.9A Withdrawn EP2676066A1 (de) 2011-02-14 2012-02-14 Lng-speicherbehälter

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EP12705498.9A Withdrawn EP2676066A1 (de) 2011-02-14 2012-02-14 Lng-speicherbehälter

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EP (2) EP2487400A1 (de)
CN (1) CN103370567A (de)
WO (1) WO2012112038A1 (de)

Cited By (1)

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FR3023257A1 (fr) * 2014-07-04 2016-01-08 Gaztransp Et Technigaz Cuve etanche et isolante disposee dans une double coque flottante

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108086357A (zh) * 2018-02-06 2018-05-29 中船第九设计研究院工程有限公司 一种液化天然气地下储罐结构及其施工方法
CN110469765A (zh) * 2019-09-04 2019-11-19 中海石油气电集团有限责任公司 一种分气质存储的lng储罐

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JPS63135696A (ja) * 1986-11-25 1988-06-08 Nkk Corp 低温地下式貯槽
DE9313562U1 (de) * 1993-09-08 1993-11-25 Noell-LGA Gastechnik GmbH, 53424 Remagen Pumpensumpf in Flüssiggasbehältern
US5285914A (en) * 1992-11-24 1994-02-15 Del Zotto William M Above-grade storage vault
WO2002048602A1 (en) * 2000-12-15 2002-06-20 Ove Arup Partnership Limited Liquefied hydrocarbon gas storage tank with unlined concrete walls
US20050082297A1 (en) 2003-10-16 2005-04-21 Gaz Transport Et Technigaz Sealed wall structure and tank furnished with such a structure
US20050115248A1 (en) * 2003-10-29 2005-06-02 Koehler Gregory J. Liquefied natural gas structure
WO2006003192A1 (en) * 2004-07-06 2006-01-12 Shell Internationale Research Maatschappij B.V. Container for storing liquefied gas
US20070194051A1 (en) * 2004-06-25 2007-08-23 Kare Bakken Cellular tanks for storage of fluid at low temperatures

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CN1100231C (zh) * 1999-02-24 2003-01-29 埃克森美孚石油公司 液化气储罐
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JPS63135696A (ja) * 1986-11-25 1988-06-08 Nkk Corp 低温地下式貯槽
US5285914A (en) * 1992-11-24 1994-02-15 Del Zotto William M Above-grade storage vault
DE9313562U1 (de) * 1993-09-08 1993-11-25 Noell-LGA Gastechnik GmbH, 53424 Remagen Pumpensumpf in Flüssiggasbehältern
WO2002048602A1 (en) * 2000-12-15 2002-06-20 Ove Arup Partnership Limited Liquefied hydrocarbon gas storage tank with unlined concrete walls
US20050082297A1 (en) 2003-10-16 2005-04-21 Gaz Transport Et Technigaz Sealed wall structure and tank furnished with such a structure
US20050115248A1 (en) * 2003-10-29 2005-06-02 Koehler Gregory J. Liquefied natural gas structure
US20070194051A1 (en) * 2004-06-25 2007-08-23 Kare Bakken Cellular tanks for storage of fluid at low temperatures
WO2006003192A1 (en) * 2004-07-06 2006-01-12 Shell Internationale Research Maatschappij B.V. Container for storing liquefied gas

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Publication number Priority date Publication date Assignee Title
FR3023257A1 (fr) * 2014-07-04 2016-01-08 Gaztransp Et Technigaz Cuve etanche et isolante disposee dans une double coque flottante

Also Published As

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WO2012112038A1 (en) 2012-08-23
CN103370567A (zh) 2013-10-23
EP2676066A1 (de) 2013-12-25

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