EP3317577A1 - Tank and method for producing a tank - Google Patents
Tank and method for producing a tankInfo
- Publication number
- EP3317577A1 EP3317577A1 EP16733289.9A EP16733289A EP3317577A1 EP 3317577 A1 EP3317577 A1 EP 3317577A1 EP 16733289 A EP16733289 A EP 16733289A EP 3317577 A1 EP3317577 A1 EP 3317577A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- inner container
- heat
- wall
- thermal barrier
- convection
- 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
Links
Classifications
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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
- F17C13/00—Details of vessels or of the filling or discharging of vessels
-
- 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
-
- 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
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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
- 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
- F17C2203/0358—Thermal insulations by solid means in form of panels
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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
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/03—Thermal insulations
- F17C2203/0375—Thermal insulations by gas
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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
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/03—Thermal insulations
- F17C2203/0375—Thermal insulations by gas
- F17C2203/0379—Inert
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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
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
- F17C2203/0602—Wall structures; Special features thereof
- F17C2203/0612—Wall structures
- F17C2203/0626—Multiple walls
- F17C2203/0629—Two walls
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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
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
- F17C2203/0634—Materials for walls or layers thereof
- F17C2203/0636—Metals
- F17C2203/0639—Steels
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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
- 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
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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
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
- F17C2203/0634—Materials for walls or layers thereof
- F17C2203/0658—Synthetics
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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
- 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
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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
- F17C2209/00—Vessel construction, in particular methods of manufacturing
- F17C2209/21—Shaping processes
- F17C2209/2109—Moulding
- F17C2209/2118—Moulding by injection
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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
- F17C2221/00—Handled fluid, in particular type of fluid
- F17C2221/01—Pure fluids
- F17C2221/011—Oxygen
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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
- F17C2221/00—Handled fluid, in particular type of fluid
- F17C2221/01—Pure fluids
- F17C2221/014—Nitrogen
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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
- F17C2221/00—Handled fluid, in particular type of fluid
- F17C2221/01—Pure fluids
- F17C2221/016—Noble gases (Ar, Kr, Xe)
- F17C2221/017—Helium
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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
- 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
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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
- 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
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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
- F17C2260/00—Purposes of gas storage and gas handling
- F17C2260/03—Dealing with losses
- F17C2260/031—Dealing with losses due to heat transfer
- F17C2260/033—Dealing with losses due to heat transfer by enhancing insulation
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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
- F17C2270/00—Applications
- F17C2270/01—Applications for fluid transport or storage
- F17C2270/0134—Applications for fluid transport or storage placed above the ground
Definitions
- the invention relates to a tank for storing cryogenic gases and a method for producing such a tank.
- cryogenic gases such as liquefied natural gas
- dome-shaped flat bottom tanks known, the inner container, a
- the thermal barrier coating may for example consist of between the inner container and the outer container
- US 3,401,910 A describes a tank for storing cryogenic gases.
- thermal insulation layer Between an inner container and an outer container of the tank constructed of individual thermal insulation elements thermal insulation layer is provided.
- the thermal insulation elements are prestressed.
- the thermal barrier coating is thereby supported on the inner container and on the outer container.
- the object of the present invention is to provide an improved tank for storing cryogenic gases.
- the tank includes an inner container, an outer container and an between the
- Inner container and the outer container arranged heat-insulating wall, wherein the heat-insulating wall is self-supporting.
- the heat-insulating wall is self-supporting, no loads, in particular no vertical and / or horizontal loads, are applied to the inner container.
- the inner container can be listed with a smaller wall thickness.
- the wall thickness of the inner container can be 5 to 50 millimeters.
- the thermal insulation wall is supported neither on the inner container nor on the Outer container off. As a result, a mechanical load on the inner container is prevented. The risk of collapse of the inner container is thereby reduced.
- the thermal barrier can also be referred to as insulation wall.
- Inner container and the outer container are circular cylindrical and arranged concentrically with each other.
- the inner container is positioned inside the outer container.
- the inner container and the outer container are spaced from each other.
- the thermal barrier wall is arranged.
- the thermal barrier wall preferably has thermal insulation properties.
- the inner container and / or the outer container preferably each have a circular bottom and a cylindrical shell.
- the heat-insulating wall preferably has a circular-cylindrical geometry and completely circumscribes the inner container.
- the gas in the inner container is also referred to below as the product gas. The gas can be liquefied during storage by heating it
- cryogenic gases can also be referred to as liquefied cryogenic gases.
- the thermal barrier wall is made of each other
- the thermal insulation elements can also be referred to as insulation elements.
- Form-fitting connections are created by the interaction of at least two connection partners. As a result, the connection partners can not solve each other without or with interrupted power transmission.
- Thermal insulation elements can be positively connected to each other by means of a tongue and groove connection. Additionally or optionally to the tongue and groove connection, the thermal insulation elements can be glued together. In particular, the thermal insulation elements are material, force and / or positively connected. Force-fit connections require a normal force on the surfaces to be joined together. Their mutual displacement is prevented, as long as caused by the static friction counterforce is not exceeded.
- Cohesive connections are all compounds in which the connection partners are held together by atomic or molecular forces. They are at the same time non-detachable connections, which can only be separated by destruction of the connecting means. Examples of cohesive connections are adhesive or welded joints.
- the thermal insulation elements are releasably connected to each other. The thermal insulation elements can be stacked on each other to manufacture the thermal barrier wall.
- the thermal insulation elements can be stacked on each other to manufacture the thermal barrier wall.
- Plastic material in particular made of a plastic foam.
- Polystyrene foam a polyisocyanate foam or the like.
- the thermal barrier wall is made vapor-tight and / or gas-tight.
- the thermal barrier wall has a vapor and / or gas barrier, in particular a metal foil or a coating.
- the vapor barrier may be, for example, an aluminum foil or a paint.
- the vapor barrier can on the inside and / or outside of the
- Heat insulation wall be provided.
- the block-shaped thermal insulation elements of the thermal insulation wall may already have the vapor and / or gas barrier, which may be applied to the prefabricated thermal insulation elements on the inside or outside, in particular adhesively bonded.
- a gas and / or vapor permeable material is applicable for the thermal barrier wall.
- a gas-filled gap is provided between the heat-insulating wall and the outer container.
- the thermal barrier wall may be spaced from the outer vessel.
- the gap can also be referred to as free gas space.
- the gap preferably completely circumscribes the thermal barrier wall.
- the gap is preferably filled with gaseous nitrogen or with the vaporized product gas.
- a cast thermal barrier coating is provided between the thermal barrier wall and the inner vessel.
- the thermal barrier coating may also be referred to as an insulating layer.
- the thermal barrier coating is poured in particular in sections in the vertical direction between the thermal barrier wall and the inner container. For this purpose, a first portion of the thermal insulation wall is first erected, then a first portion of the heat insulating layer according to its height introduced liquid and brought to cure, then a second, third to n-th section of the thermal barrier wall is constructed and a second, third to nth section of the thermal barrier coating introduced liquid. Due to the partial casting of the thermal barrier coating, excessive heat generation during curing of the thermal barrier coating is prevented.
- the thermal barrier wall can serve as outer formwork for casting the thermal barrier coating.
- the inner formwork is then the inner container. Alternatively, a removable inner formwork
- the thermal barrier coating may be flexible after curing, in particular elastically deformable. Alternatively, the thermal barrier coating may be stiff after curing.
- the thermal barrier coating is made of a foamed, in particular closed-pore, plastic material.
- a convection barrier is arranged between the thermal barrier coating and the inner container.
- the convection barrier prevents free convection of the vaporized product gas between the thermal barrier coating and the inner container, creating a Condensation of the product gas is prevented on the outside of the inner container.
- the thermal insulation unit may have the convection barrier.
- the convection barrier is elastic
- the convection barrier is compressible and stretchable.
- Convection barrier can be made for example of a mineral wool or an elastically deformable foamed plastic material.
- the convection barrier with the convection barrier with the convection barrier
- the thermal barrier coating can be cast on the convection barrier.
- the convection barrier can be connected to the heat-insulating layer in a material, force and / or form-fitting manner.
- the convection barrier can be glued, for example, with the thermal barrier coating and / or the inner container, suspended in this or otherwise connected to these.
- the convection barrier can be suspended on an upper side of the inner container and be rolled from there.
- the convection is also connected to the inner container material, force, and / or positively connected.
- the convection barrier can not be connected to the inner container, but only abut against it.
- the convection barrier between the heat-insulating wall and the inner container is biased.
- the convection barrier is made of a compressed mineral wool. Due to the bias, the convection barrier follows temperature-induced dimensional changes of the inner container.
- material for the convection barrier can be used any material that can be pulled or pressed at low temperatures in a large Weg Kunststoff and this only a small
- the inner container is designed as an upwardly open cup for receiving the cryogenic gases and the outer container as a shell surrounding the cup.
- the cup takes up the liquefied product gas.
- the cup is open at the top so that evaporating product gas can escape from the cup.
- the inner container is preferably made of a steel material, in particular of a steel sheet.
- the inner container comprises a circular cylindrical shell and a bottom.
- the outer container preferably has a circular cylindrical shell, a bottom and a dome-shaped ceiling.
- the outer container may be made of a steel material or concrete, for example. Alternatively, the concrete shell and the dome-shaped ceiling can be made of steel.
- the outer container may on the inside a vapor barrier, a so-called liner.
- the liner may include metal plates or metal sheets applied on an inside of the outer container. With the help of the vapor barrier, the outer container becomes gas impermeable.
- the inner container is covered with a cover, in particular a circular lid, which is suspended from the dome-shaped ceiling of the outer container.
- the cup may also have a closed, dome-shaped roof.
- heat insulation elements may be arranged, which are made for example of mineral wool.
- the method comprises the following steps: providing an inner container and an outer container; and arranging a
- Heat-insulating wall between the inner container and the outer container, so that the heat-insulating wall is formed self-supporting.
- the thermal barrier wall is preferably constructed of individual thermal insulation elements in layers.
- the thermal insulation elements can be positively connected to each other, for example, and additionally or optionally glued together.
- the positive connection can be achieved by a tongue and groove system. According to one embodiment, during or after arranging the
- Thermal insulation wall between the thermal insulation wall and the inner container poured a thermal barrier coating.
- the thermal barrier coating is produced in situ during the manufacture of the tank. That is, the heat-insulating layer is cast in sections in the vertical direction between the heat-insulating wall and the inner container. This serves the
- Thermal insulation wall as shuttering for the thermal barrier coating.
- the thermal barrier wall and the thermal barrier coating form a self-supporting thermal insulation unit or insulation unit.
- the thermal barrier coating may for example consist of a
- foamed polyurethane material can be made.
- thermal barrier coating is too high heat load of
- Thermal insulation wall during curing of the thermal barrier layer prevented. According to another embodiment, before pouring the
- Heat-insulating layer between the heat-insulating wall and the inner container an elastically deformable convection dam disposed, wherein the heat-insulating layer is poured between the heat-insulating wall and the convection dam.
- a removable formwork can be provided between the convection barrier and the thermal barrier wall, which after pouring the
- the Konvezzyssperre can in the use of such a removable formwork even after pouring the
- Heat insulation layer are attached to the inner container.
- the convection barrier may be additionally or optionally attached to the inner container.
- the convection barrier is compressible and stretchable. According to another embodiment, a first portion of the
- Thermal insulation wall is built and then a first portion of the heat insulating layer according to a first portion of the heat insulating layer is introduced and cured liquid, wherein then a second, third to n-th section of the thermal insulation wall is established and a second, third to n-th
- tank and / or the method also include combinations of features or embodiments described above or below with regard to the exemplary embodiments which are not explicitly mentioned.
- the person skilled in the art will also add individual aspects as improvements or additions to the respective basic form of the tank and / or the method.
- Fig. 1 shows a schematic sectional view of an embodiment of a tank for storing cryogenic gases
- Fig. 2 shows an enlarged detail II of the sectional view of the tank according to Fig. 1;
- Fig. 3 shows a schematic sectional view of the tank according to the section line III-III of Fig. 2;
- FIG. 4 shows a block diagram of an embodiment of a method for
- Fig. 1 shows a highly simplified schematic sectional view of a tank 1 for storing cryogenic or cryogenic liquefied gases 2.
- a liquefied gas 2 is liquefied natural gas or Liquefied Natural Gas (LNG).
- LNG Liquefied Natural Gas
- the gas may be ethylene, ethane, nitrogen, oxygen, helium, or the like.
- the gas 2 may also be referred to as product gas.
- the tank 1 has a plate-shaped concrete foundation 3 here in the form of a cast circular concrete slab. Furthermore, the tank 1 comprises a on the
- the outer container 4 may be made of a steel material or concrete. If the outer container 4 is made of concrete, a vapor barrier, a so-called liner 5, may be provided on the inside thereof.
- the liner 5 provides a gas tightness of the outer container 4.
- the liner 5 may comprise a steel diaphragm, welded together steel plates or clamped steel sheets. If the outer container 4 is made of a steel material, the liner 5 can be dispensed with.
- the outer container 4 has a circular cylindrical outer container wall or casing 6, an outer container bottom 7, which may be formed integrally with the concrete foundation 3, and an outwardly curved dome-shaped ceiling 8.
- the outer container bottom 7 and the outer container wall or jacket 6 made of concrete and the dome-shaped ceiling 8 may be made of steel.
- the outer container 4 may be in the form of an upwardly open cup with outer container bottom 7 and
- Outer container wall or jacket 6 may be formed.
- the outer container 4 is also referred to as outer tank or outer cup.
- the tank 1 further comprises an inner container 9 arranged inside the outer container 4.
- the inner container 9 is made of a steel material.
- the inner container 9 is also configured in the form of a cup with a circular cylindrical inner container wall or jacket 10 and an inner container bottom 11.
- the inner container 9 is referred to hereinafter as the inner tank or inner cup.
- the inner container 9 is positioned inside the outer container 4 coaxially with respect to the vertical axes.
- the cup-shaped inner container 9 is covered with a suspended from the ceiling 8 of the outer container 4 cover 12.
- the cover 12 is not fluid-tightly connected to the inner container 9, so that so-called boil-off gas, that is, gas 2, which has passed from the liquid state to the gaseous state, can escape from the cup-shaped inner container 9.
- the cover 12 is suspended by means of metallic rods / struts 13 of the ceiling 8.
- the cover 12 is further up or to the outer container 4 out with block-shaped Thermal insulation elements, mats or bags 14 thermally insulated.
- the thermal insulation elements 14 may, for example, a foamed
- Plastic material such as polyurethane, polystyrene or the like may be made.
- thermal insulation elements 14 may be made of mineral wool such as slag, glass or rock wool.
- the floor thermal insulation 15 is provided.
- the floor thermal insulation 15 can be any suitable material.
- the floor thermal insulation 15 may be constructed of individual block-shaped elements.
- thermal barrier wall 16 is arranged between the inner container wall or jacket 10 and the outer container wall or - coat 6, a thermal barrier wall 16 is arranged.
- the thermal barrier wall 16 is self-supporting, that is, the thermal barrier wall 16 is supported neither on the
- Thermal insulation wall 16 is introduced into the floor thermal insulation 15. Between the heat-insulating wall 16 and the outer container 4, the heat-insulating wall 16 completely surrounding free gas space or gap 17 is provided.
- the gap 17 may be filled with vaporized gas 2 or with an inner container 9 with a closed lid with gaseous nitrogen.
- the floor thermal insulation 15 is a load-bearing insulating component, which is covered by a liquid-tight and gas-tight bottom liner or second bottom upwards. This second bottom can be made of cold-strength steel, aluminum compound layers, or other suitable materials.
- FIG. 2 shows an enlarged detail of the tank 1 according to the number II of FIG. 1.
- FIG. 3 shows a sectional view of the tank 1 according to the section line III-III of FIG. 2.
- the floor thermal insulation 15 has a circular cylindrical wall or a wall 18 extending in the direction of the ceiling 8.
- the jacket 18 may also be referred to as thermal corner protection or thermal corner protection.
- the Thermal insulation wall 16 is not supported on the jacket 18.
- the inner container 9 may shrink due to temperature or expand.
- Fig. 2 is with the
- Reference numeral 9a denotes an expanded state and the reference numeral 9b denotes a shrunken state of the inner container 9.
- the thermal barrier wall 16 is made of block-shaped interconnected
- Thermal insulation elements 19 formed.
- the thermal insulation elements 19 are material, force and / or positively connected with each other.
- the thermal insulation elements 19 may be connected to each other, for example by means of a tongue and groove connection. Alternatively or additionally, the thermal insulation elements 19 may be glued together.
- the thermal insulation elements 19 are made of a foamed, in particular closed-pore, plastic material. Alternatively, the
- Heat insulation elements 19 made of an open-pored plastic material.
- Polyurethane foam a polystyrene foam, a polyisocyanate foam or the like.
- the thermal barrier wall 16 may have a vapor barrier.
- the vapor barrier may be provided on the inside and / or outside of the heat-insulating wall 16.
- the vapor barrier is required when the thermal insulation elements 19 are made of an open-pored plastic material.
- the vapor barrier may be, for example, an aluminum foil or a paint.
- the vapor barrier can be applied to the individual thermal insulation elements 19 before the completion of the thermal insulation wall 16. Alternatively, the vapor barrier after completion of the
- Thermal insulation wall 16 are applied to this.
- thermal barrier coating 20 is provided between the thermal barrier wall 16 and the inner container 9, a cast thermal barrier coating 20 is provided.
- the thermal barrier coating 20 is at the
- the thermal barrier wall 16 is in
- Elevation direction constructed in sections and the thermal barrier coating 20 then cast in sections.
- Thermal insulation 16 built and accordingly a second, third to nth section the thermal barrier coating 20 introduced liquid. Due to the partial casting of the thermal barrier coating 20, excessive heat development during curing of the thermal barrier coating 20 is prevented.
- the thermal barrier coating 20 consists of a foamed, in particular of a closed-pore foamed, plastic material.
- the thermal barrier coating 20 may be made of a polyurethane material.
- the thermal barrier wall 16 forms with the thermal barrier coating 20 a thermal insulation unit 21.
- the thermal insulation unit 21 is self-supporting.
- Thermal barrier 16 serves as a formwork for casting the thermal barrier coating 20. Between the thermal barrier coating 20 and the inner container 9 is a
- Convection 22 arranged.
- the convection 22 prevents a
- the convection barrier 22 prevents the passage of large amounts of the vaporized gas 2 to the inner container.
- the thermal insulation unit 21 may have the convection barrier 22.
- the convection 22 is elastic and provided such that it a temperature-induced shrinkage and / or expansion of the
- the convection barrier 22 may be connected to the thermal barrier coating 20 and / or the inner container 9. A compressed state of
- Convection barrier 22 is shown in Figs. 2 and 3 with a solid line
- the convection barrier 22 may be material, force and / or positively connected to the thermal barrier coating 20 and / or the inner container 9.
- the convection barrier 22 can be hung on the thermal barrier coating 20 and / or on the inner container 9 or adhesively bonded thereto.
- the convection barrier 22 may be at an upper edge of the
- Inner container wall or jacket 10 of the inner container 9 mechanically fasten.
- the convection 22 is this attached to an upper edge of the inner container 9 and then rolled out in tracks down.
- the sticking of the convection 22 on the inner container 9 is a suitable method to fix them for assembly purposes, before then the
- Thermal barrier layer 20 is introduced.
- the thermal barrier coating 20 may be cast between the convection barrier 22 and the thermal barrier wall 16. As a result, a reliable and durable connection of the thermal barrier coating 20 is achieved with the convection 22.
- the convection barrier 22 may be between the
- Konvetationssperre 22 be made of mineral wool.
- the convection barrier 22 may also be made of a foamed, elastically deformable plastic material.
- the convection barrier 22 is compressible and expandable. As a result, the convection barrier 22 follows the inner container 9 at temperature-induced
- the convection barrier 22 may be coated with a laminating aluminum foil. With the help of elastic
- Inner container 9 are prevented due to temperature-dimensional variations thereof. Characterized in that the heat-insulating wall 16 and the thermal barrier coating 20 are made of a closed-cell plastic material, a rapid drying and inerting of the system can be realized.
- 4 is a block diagram schematically showing a method of manufacturing such a tank 1. The method comprises a step S1 of providing the inner container 9 and the outer container 4.
- the inner container 9 can be designed as a cup for receiving the cryogenic gas 2 and the outer container 4 can be designed as a jacket surrounding the cup.
- the thermal barrier wall 16 between the inner container 9 and the outer container 4 is arranged, so that the heat-insulating wall 16 is formed self-supporting. More specifically, the thermal barrier wall 16 is arranged so that it is supported neither on the inner container 9 nor on the outer container 4. During or after arranging the thermal barrier wall 16 may between these and the Convection barrier 22 in a step S3, the thermal barrier coating 20 are poured. The thermal barrier coating 20 and the thermal barrier wall 16 form the self-supporting thermal insulation unit 21.
- the convection barrier 22 can be suspended at the upper edge of the inner tank 9.
- a first portion of the thermal barrier wall 16 is erected, then a first portion of the height corresponding to a first portion of the thermal barrier coating 20 liquid introduced and cured, then a second, third to n-th section of the thermal barrier wall 16 is constructed and accordingly a second, third to n-th section of the thermal barrier coating 20 introduced liquid. Due to the partial casting of the thermal barrier coating 20, excessive heat development during curing of the thermal barrier coating 20 is prevented.
- the thermal barrier wall 16 may, as explained above, be constructed in sections. Here, the thermal insulation elements 19 are piled up or stacked and connected to each other.
- the thermal barrier coating 20 is
- the thermal barrier wall 16 serves as outer formwork for the
- Thermal insulation layer 20 In the manufacture of the tank 1, a further formwork between the heat-insulating wall 16 and the inner container 9 may be provided, so that the thermal barrier coating 20 has no direct contact with the inner container 9. Before pouring the thermal barrier coating 20 between the thermal barrier wall 16 and the inner container 9, the elastically deformable convection 22 is disposed between the inner container 9 and the thermal barrier wall 16.
- Thermal barrier coating 20 is then between the thermal barrier wall 16 and the
- Convection lock 22 cast.
- the convection 22 serves as internal formwork. As a result, a reliable and durable connection between the thermal barrier coating 20 and the convection 22 is made.
- thermal barrier wall 16 is constructed of material, force and / or positively connected heat insulation elements 19, this can be made quickly and easily. Due to the self-supporting properties of Heat insulation wall 16 no loads, in particular no vertical loads, applied to the inner container 9, so that this correspondingly with lesser
- the inner container 9 may have a wall thickness of 5 to 50 millimeters. With the help of the elastic convection 22, detachment of the thermal insulation unit 21 from the inner container 9 during shrinkage of the inner container 9 and thus a radial displacement of the inner container shell 10 is prevented inwardly, whereby condensation of the evaporated gas 2 on the outside of the inner container 9 is prevented.
- the present invention has been described with reference to embodiments, it is variously modifiable.
- the convection barrier 22 can be dispensed with. Furthermore, a two-sided pouring of the thermal barrier coating 20 between the
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102015008428.3A DE102015008428A1 (en) | 2015-06-30 | 2015-06-30 | Tank and method of manufacturing a tank |
PCT/EP2016/000993 WO2017001047A1 (en) | 2015-06-30 | 2016-06-15 | Tank and method for producing a tank |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3317577A1 true EP3317577A1 (en) | 2018-05-09 |
EP3317577B1 EP3317577B1 (en) | 2021-05-12 |
Family
ID=56292653
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16733289.9A Active EP3317577B1 (en) | 2015-06-30 | 2016-06-15 | Tank and method for manufacturing a tank |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP3317577B1 (en) |
CN (1) | CN108027109B (en) |
AU (1) | AU2016288513B2 (en) |
DE (1) | DE102015008428A1 (en) |
HU (1) | HUE055525T2 (en) |
MY (1) | MY194226A (en) |
RU (1) | RU2720345C2 (en) |
WO (1) | WO2017001047A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7329906B2 (en) * | 2018-05-18 | 2023-08-21 | 清水建設株式会社 | Cryogenic liquid storage tank |
WO2023283400A1 (en) * | 2021-07-08 | 2023-01-12 | Preload Cryogenics, Llc | System and method for storage of liquid hydrogen at low pressure |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3093260A (en) * | 1960-04-08 | 1963-06-11 | Alumiseal Corp | Insulated refrigeration tank structures |
US3401910A (en) | 1965-09-13 | 1968-09-17 | Arcadia Air Products | Guard rail mounting |
FR1457617A (en) * | 1965-09-22 | 1966-01-24 | Technigaz | Watertight fixed tank or the like and method of construction thereof |
US3319431A (en) * | 1966-05-25 | 1967-05-16 | Exxon Research Engineering Co | Double walled cryogenic tank |
DE1272830B (en) * | 1967-01-31 | 1968-07-11 | Mannesmann Ag | Underground storage tank, in particular heating oil tank |
US4021982A (en) * | 1974-01-24 | 1977-05-10 | Technigaz | Heat insulating wall structure for a fluid-tight tank and the method of making same |
CN85105351B (en) * | 1985-07-13 | 1988-04-13 | 日本钢管株式会社 | Method and system for insulating a cargotank for liquefied gas |
RU2262034C2 (en) * | 2001-01-11 | 2005-10-10 | Кириллов Николай Геннадьевич | Fuel reservoir for protracted storage of liquefied natural gas |
MY161480A (en) * | 2010-01-28 | 2017-04-14 | Osaka Gas Co Ltd | Cryogenic tank |
JP5998616B2 (en) * | 2012-04-26 | 2016-09-28 | 株式会社Ihi | Independent liner unit and tank construction method |
CN203240268U (en) * | 2013-03-19 | 2013-10-16 | 中国海洋石油总公司 | Self-support type LNG (Liquefied Natural Gas) storage tank |
DE102013016705A1 (en) * | 2013-10-09 | 2015-04-09 | Stiebel Eltron Gmbh & Co. Kg | Method for insulating a hot water tank and hot water tank |
-
2015
- 2015-06-30 DE DE102015008428.3A patent/DE102015008428A1/en not_active Withdrawn
-
2016
- 2016-06-15 CN CN201680038610.8A patent/CN108027109B/en active Active
- 2016-06-15 AU AU2016288513A patent/AU2016288513B2/en active Active
- 2016-06-15 RU RU2017143843A patent/RU2720345C2/en active
- 2016-06-15 MY MYPI2017705053A patent/MY194226A/en unknown
- 2016-06-15 HU HUE16733289A patent/HUE055525T2/en unknown
- 2016-06-15 EP EP16733289.9A patent/EP3317577B1/en active Active
- 2016-06-15 WO PCT/EP2016/000993 patent/WO2017001047A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
RU2720345C2 (en) | 2020-04-29 |
HUE055525T2 (en) | 2021-12-28 |
RU2017143843A (en) | 2019-08-01 |
CN108027109B (en) | 2020-07-24 |
RU2017143843A3 (en) | 2019-11-25 |
AU2016288513A1 (en) | 2018-01-04 |
AU2016288513B2 (en) | 2020-12-24 |
DE102015008428A1 (en) | 2017-01-05 |
CN108027109A (en) | 2018-05-11 |
MY194226A (en) | 2022-11-23 |
WO2017001047A1 (en) | 2017-01-05 |
EP3317577B1 (en) | 2021-05-12 |
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