CN217153800U - Land film liquid hydrogen storage tank with high vacuum insulation box - Google Patents
Land film liquid hydrogen storage tank with high vacuum insulation box Download PDFInfo
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- CN217153800U CN217153800U CN202123101540.3U CN202123101540U CN217153800U CN 217153800 U CN217153800 U CN 217153800U CN 202123101540 U CN202123101540 U CN 202123101540U CN 217153800 U CN217153800 U CN 217153800U
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- 238000009413 insulation Methods 0.000 title claims abstract description 179
- 239000001257 hydrogen Substances 0.000 title claims abstract description 110
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 110
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 100
- 239000007788 liquid Substances 0.000 title claims abstract description 87
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 17
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- 239000002184 metal Substances 0.000 claims description 29
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 12
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- 229910052734 helium Inorganic materials 0.000 claims description 9
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims description 9
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- 229910000838 Al alloy Inorganic materials 0.000 claims description 6
- 229910001374 Invar Inorganic materials 0.000 claims description 6
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- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
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- -1 polytetrafluoroethylene Polymers 0.000 claims description 5
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- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 4
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- 239000004917 carbon fiber Substances 0.000 claims description 3
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- 239000002808 molecular sieve Substances 0.000 claims description 3
- 229910003445 palladium oxide Inorganic materials 0.000 claims description 3
- JQPTYAILLJKUCY-UHFFFAOYSA-N palladium(ii) oxide Chemical compound [O-2].[Pd+2] JQPTYAILLJKUCY-UHFFFAOYSA-N 0.000 claims description 3
- 239000002952 polymeric resin Substances 0.000 claims description 3
- 239000011150 reinforced concrete Substances 0.000 claims description 3
- 239000004576 sand Substances 0.000 claims description 3
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 3
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims 1
- 150000002431 hydrogen Chemical class 0.000 abstract description 11
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- 239000002828 fuel tank Substances 0.000 abstract description 4
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/45—Hydrogen technologies in production processes
Abstract
The utility model discloses a land is with film liquid hydrogen storage tank with high vacuum insulation case belongs to storage tank technical field, include: the concrete tank comprises a concrete outer tank, a moisture-proof layer, a high-vacuum insulation box, an inner side secondary insulation layer, a secondary shielding layer, an inner side main insulation layer, a main shielding layer, a steel tank top, a concrete tank top and a concrete bottom plate. The invention realizes a set of independent film shielding layer liquid containing system, adopts the heat insulation mode of the high vacuum insulation box, improves the insulation and cold insulation performance of the traditional film type storage tank, further reduces the evaporation rate, and improves the storage time of liquid cargo hydrogen in the storage tank; the utility model is used for the warehousing and transportation of the vertical liquid hydrogen storage tank in land, liquid hydrogen boats and ships fuel tank and liquid hydrogen transport ship cargo tank has broken through the restriction of hydrogen storage pressure vessel, adopts normal low pressure vessel to satisfy the hydrogen storage requirement, is a brand-new, uses more extensively, the liquid hydrogen film type storage tank of safer, green, environmental protection.
Description
Technical Field
The utility model relates to a freezing liquefied gas-liquid hydrogen (LH2) low temperature storage device technical field specifically is a land is with film liquid hydrogen storage tank with high vacuum insulation case.
Background
As a new energy source, hydrogen has the advantages of high efficiency, cleanness, no pollution, sustainability and the like, and is one of the most promising clean energy sources at present along with the rapid development of economy in China and the continuous improvement of the requirements on environmental governance.
Although the hydrogen-dominated economic system has been established for a long time, the industry has been wandering in energy conversion for a variety of reasons, such as lack of technology, infrastructure, or investment, however, in recent years, with the global push for decarbonization, as well as the development of the prior art, the hydrogen economy is expected to accelerate on a large scale.
Liquid hydrogen is used as the liquefied state of hydrogen, has already been used as the fuel of an aerospace power system, and is widely applied to the aspects of aerospace and military affairs. With the influence of the domestic development trend and the guidance of policies, the use of liquid hydrogen increasingly approaches the civil market. Liquid hydrogen is a cryogenic hydrogen storage technology, and is cryogenically cooled to below 21K to become liquid hydrogen, and then the liquid hydrogen is stored in a special container. The volume energy density of the liquid hydrogen is very high, the density of the liquid hydrogen is 845 times of that of gaseous hydrogen at normal temperature and normal pressure, 3 times of that of high-pressure hydrogen of 35Mpa and 2 times of that of high-pressure hydrogen of 70Mpa, so that the hydrogen storage quality of the hydrogen storage container with the same volume is greatly improved. However, because of the danger and volatility of hydrogen itself, which causes the limitation of transportation and storage, how to store and transport liquid hydrogen better and more safely is a key direction of current research.
Disclosure of Invention
The utility model aims to provide a land film liquid hydrogen storage tank with a high vacuum insulation box, which takes a double-layer metal film and the high vacuum insulation box as design basis, realizes a set of independent film shielding layer liquid containing system, adopts the heat insulation mode of the high vacuum insulation box, improves the insulation and cold insulation performance of the traditional film type storage tank, further reduces the evaporation rate, and improves the storage time of liquid cargo hydrogen in the storage tank; a set of complete high-vacuum insulation box system is adopted to prefabricate the high-vacuum insulation box module, so that the field construction amount is reduced, and the external heat transfer is effectively reduced, thereby reducing the evaporation rate of liquid hydrogen; the prefabricated film shielding layer and the prefabricated insulating layer are adopted for on-site splicing, so that the construction requirement is further reduced, the construction period is shortened, and the construction cost is saved; the double-layer shielding improves the safety performance of hydrogen storage, and the flexibility and the ductility of the film ensure the integrity of the container at low temperature; helium is filled between the shields, and a safety detection system is arranged, so that the accident risk of liquid hydrogen leakage caused by shield rupture is greatly reduced. The utility model is used for the warehousing and transportation of the vertical liquid hydrogen storage tank in land, liquid hydrogen boats and ships fuel tank and liquid hydrogen transport ship cargo tank has broken through the restriction of hydrogen storage pressure vessel, adopts normal low pressure vessel to satisfy the hydrogen storage requirement, is a brand-new, uses more extensively, the liquid hydrogen film type storage tank of safer, green, environmental protection.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a land is with film liquid hydrogen storage tank with high vacuum insulation case which characterized in that: the storage tank includes: the concrete tank comprises a concrete outer tank, a moisture-proof layer, a high-vacuum insulation box, an inner side secondary insulation layer, a secondary shielding layer, an inner side main insulation layer, a main shielding layer, a steel tank top, a concrete tank top and a concrete bottom plate. The concrete outer tank, the concrete tank top and the concrete bottom plate are of a prestressed reinforced concrete structure, the inner walls of the concrete outer tank and the concrete bottom plate are coated with a moisture-proof layer, the high-vacuum insulation boxes are arranged on the inner side of the moisture-proof layer, a filling heat insulation block is arranged between each high-vacuum insulation box, the high-vacuum insulation boxes are arranged on the inner side of the steel tank top and are connected with the high-vacuum insulation boxes on the inner sides of the concrete outer tank and the concrete bottom plate to form a complete insulation layer, the inner side secondary insulation layer is composed of a plurality of prefabricated standard insulation cold boxes and is fixed on the high-vacuum insulation boxes in a stud or bonding mode, the secondary shielding layer is composed of a plurality of prefabricated standard metal plates and is fixed on the inner side secondary insulation layer, the metal plates are mutually overlapped to form a complete secondary container to play a second protection layer, and further leakage of liquid caused by the fracture of the main shielding layer is avoided, the inner main insulating layer is composed of a plurality of prefabricated standard insulating cold insulation boxes and is fixed on the secondary shielding layer in a stud or bonding mode, the main shielding layer is composed of a plurality of prefabricated standard metal plates and is fixed on the inner main insulating layer, and the metal plates are mutually overlapped to form a complete main container for storing liquid hydrogen.
As an improvement of the technical scheme, the high-vacuum insulation box is a prefabricated standard insulation box and consists of an insulation box shell, an adsorption layer, a heat-resistant cushion block, an insulation box support, a high-vacuum layer and an in-box insulation layer. The insulating box shell is made of at least one of a stainless steel plate, a 9% nickel steel plate, an invar steel plate, an aluminum alloy plate and carbon fibers, insulating box supports are arranged inside the insulating box shell, and heat-resistant cushion blocks are arranged between the insulating box supports. The inside of the high-vacuum insulation box is vacuumized to form a high-vacuum layer, and the vacuum degree needs to reach 10 -3 pa or less. The vacuum pumping process is carried out by adopting auxiliary modes such as independent heating of interlayer space or high-temperature nitrogen circulation and the like. The insulating layer in the box adopts materials such as multilayer winding board, vacuum insulation panels or aerogel board, installs in the inside one side of insulating box shell, and the opposite side is installed the adsorbed layer, the adsorbed layer adopts at least one of palladium oxide, molecular sieve or active carbon adsorption material, maintains the vacuum degree on high vacuum layer.
As an improvement of the technical scheme, the high-vacuum insulation box is fixed on the concrete outer tank and the concrete bottom plate in a stud mode. The concrete outer tank and the concrete bottom plate are coated with polymer resin moisture-proof layers, a filling heat-insulating block is arranged between the high-vacuum insulating boxes, and the filling heat-insulating block is at least one of polyurethane foam, glass wool and aerogel.
As an improvement of the technical scheme, the size of the high vacuum insulation box is designed according to the size of the storage tank, a distributed prefabrication type is adopted, and a plurality of high vacuum insulation boxes are longitudinally or transversely fixed on the concrete outer tank and the concrete bottom plate in series, or an integral prefabrication type is adopted and fixed on the concrete outer tank and the concrete bottom plate. The high-vacuum insulation boxes are connected by adopting an intercommunicating valve, and the vacuum pumping valve is arranged at the top or the bottom, so that the on-site monitoring or the vacuum pumping is facilitated.
As an improvement of the technical scheme, the shape of the high vacuum insulation box is designed according to the appearance of the storage tank, and the high vacuum insulation box comprises a flat insulation box arranged on a plane, a fan insulation box arranged on the bottom surface, an arch insulation box arranged on the top surface, an obtuse angle insulation box arranged on the side surface, a three-surface insulation box arranged on a bottom angle, a right-angle insulation box arranged on the bottom angle and the like.
In an improvement of the above technical solution, the inner secondary insulation layer is composed of a plurality of prefabricated standard insulation boxes, and is fixed on the high vacuum insulation box by means of studs or bonding, the standard insulation boxes are prefabricated by assembling a support plate and a heat insulation material, the support plate is made of at least one of low temperature resistant plywood, glass fiber reinforced plastic plate, polytetrafluoroethylene and polyether ether ketone, and the heat insulation material is at least one of glass wool, pearl sand, aerogel, high vacuum insulation plate, polyurethane foam or vacuum glass beads. And a plurality of pressure, temperature and hydrogen detectors are arranged in the space of the inner secondary insulating layer and used for detecting whether the secondary shield leaks or not. Helium is filled in the space of the inner secondary insulating layer, so that residual air is prevented from being condensed and frozen in the space, and explosion atmosphere caused by hydrogen leakage is avoided.
As an improvement of the technical scheme, the secondary shielding layer is composed of a plurality of prefabricated standard metal plates and fixed on the inner secondary insulating layer, the metal plates are at least one of stainless steel plates, 9% nickel steel plates, invar steel plates and aluminum alloy plates, the metal plates are mutually overlapped to form a complete secondary container, a second layer of protection effect is achieved, and further liquid leakage caused by breakage of the main shielding layer is avoided.
In an improvement of the above technical solution, the inner main insulation layer is composed of a plurality of prefabricated standard insulation cold-keeping boxes, and is fixed on the secondary shielding layer by means of studs or bonding, the standard insulation cold-keeping boxes are assembled and prefabricated by using supporting plates and heat insulation materials, the supporting plates are made of at least one of low temperature resistant plywood, glass fiber reinforced plastic plates, polytetrafluoroethylene and polyether ether ketone, and the heat insulation materials are at least one of glass wool, pearl sand, aerogel, high vacuum heat insulation plates, polyurethane foam and vacuum glass beads. And a plurality of pressure, temperature and hydrogen detectors are arranged in the space of the inner main insulating layer and used for detecting whether the secondary shield leaks or not. Helium is filled in the space of the inner main insulating layer, so that residual air is prevented from being condensed and frozen in the space, and explosion atmosphere caused by hydrogen leakage is avoided.
As an improvement of the technical scheme, the main shielding layer is composed of a plurality of prefabricated standard metal plates, the metal plates are fixed on the inner side main insulating layer by adopting at least one of stainless steel plates, 9% nickel steel plates, invar steel plates and aluminum alloy plates, and the metal corrugated plates are mutually overlapped to form a complete main container for storing liquid hydrogen.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the utility model aims to provide a land is with film liquid hydrogen storage tank of high vacuum insulation case, this invention regards double-deck metallic film and high vacuum insulation case as the design basis, has realized a set of independent film shielding layer liquid containing system to adopt the adiabatic mode of high vacuum insulation case, improved the insulating cold insulation performance of traditional film type storage tank, further reduce the evaporation rate, improve the storage time of liquid goods hydrogen in the storage tank; a set of complete high-vacuum insulation box system is adopted to prefabricate the high-vacuum insulation box module, so that the field construction amount is reduced, and the external heat transfer is effectively reduced, thereby reducing the evaporation rate of liquid hydrogen; the prefabricated film shielding layer and the prefabricated insulating layer are adopted for on-site splicing, so that the construction requirement is further reduced, the construction period is shortened, and the construction cost is saved; the double-layer shielding improves the safety performance of hydrogen storage, and the flexibility and the ductility of the film ensure the integrity of the container at low temperature; helium is filled between the shields, and a safety detection system is arranged, so that the accident risk of liquid hydrogen leakage caused by shield rupture is greatly reduced. The utility model is used for the warehousing and transportation of the vertical liquid hydrogen storage tank in land, liquid hydrogen boats and ships fuel tank and liquid hydrogen transport ship cargo tank has broken through the restriction of hydrogen storage pressure vessel, adopts normal low pressure vessel to satisfy the hydrogen storage requirement, is a brand-new, uses more extensively, the liquid hydrogen film type storage tank of safer, green, environmental protection.
1. The utility model provides a land is with film liquid hydrogen storage tank is a ordinary pressure liquid hydrogen container with high vacuum insulation case, and pressure is generally below 0.1Mpa, compares in 70 Mpa's high pressure hydrogen storage cylinder, and is safer, and energy density is higher, and pressure is low further to have reduced the damage of hydrogen embrittlement to the metal.
2. The utility model provides a land is with film liquid hydrogen storage tank is a flat vertical liquid hydrogen container with high vacuum insulation case, compares in the spherical storage tank of liquid hydrogen, under the same area, can save more liquid hydrogen.
3. The utility model provides a land is with film liquid hydrogen storage tank with high vacuum insulation case adopts high vacuum insulation case combination pattern, has improved adiabatic efficiency, further reduces the evaporation rate, guarantees the storage time of liquid hydrogen in the storage tank.
4. The utility model provides a land is with film liquid hydrogen storage tank with high vacuum insulation case adopts the flourishing liquid of film shielding layer, and liquid hydrogen is avoided liquid hydrogen and concrete tank wall direct contact to temperature and liquid hydrogen that the film shielding was kept apart, has further reduced requirement and construction requirement to the concrete tank body material.
5. The utility model provides a land is with film liquid hydrogen storage tank for land with high vacuum insulation case adopts double-deck shielded structural design, has guaranteed the structure independence of storage and airtight function, and every layer can guarantee independent storage, and when the main layer shielding damage back, the storage integrality of storage tank still can be guaranteed to the sublayer shielding, guarantees that liquid hydrogen does not leak.
6. The utility model provides a land is with film liquid hydrogen storage tank adopts the modularization design scheme, and the high vacuum insulation case of standard, the insulating cold insulation case of standard all adopt the prefabricated construction of modularization with the standard metal sheet, are applicable to not unidimensional hydrogen storage tank, and reduce cost improves the installation effectiveness.
7. The utility model provides a metal film type storage tank for storing liquefied hydrogen adopts double-deck shielding film, and the pliability of its film is guaranteed to shrink naturally at low temperature, can circulate the loading. When the outer tank deforms in a collision, the flexibility of the film can ensure the integrity of shielding, and the accident risk of large-amount leakage of liquid hydrogen is reduced.
8. The utility model provides a metal film type storage tank for storing liquefied hydrogen, its inboard inferior insulating layer is in inert gas (helium) environment with inboard main insulation layer all the time, and other combustible gas not, installs leakage gas detection system and temperature pressure monitoring system in the adiabatic filling layer, and the integrality of detection shielding that can be fast can further improve the security like this.
Drawings
Fig. 1 is a schematic view of the general structure of the present invention;
FIG. 2 is a schematic structural view of the high vacuum insulation box (3) of the present invention;
FIG. 3 is a schematic view of the assembly of the high vacuum insulation box (3) of the present invention;
FIG. 4 is a schematic diagram of the appearance of the high vacuum insulation box (3) of the present invention;
in the figure: 1. the concrete insulation structure comprises a concrete outer tank, 2 a moisture-proof layer, 3 a high vacuum insulation box, 4 a filling insulation block, 5 an inner side secondary insulation layer, 6 a secondary shielding layer, 7 an inner side main insulation layer, 8 a main shielding layer, 9 a steel tank top, 10 a concrete tank top, 11 a concrete bottom plate, 12 an insulation box shell, 13 an adsorption layer, 14 a heat-resistant cushion block, 15 an insulation box support, 16 a high vacuum layer, 17 an in-tank insulation layer, 18 studs, 19 vacuum pumping valves and 20 an intercommunication valve.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1-4, the invention uses a double-layer metal film and a high vacuum insulation box as a design basis, realizes a set of independent film shielding layer liquid containing system, and adopts the heat insulation mode of the high vacuum insulation box, thereby improving the insulation and cold insulation performance of the traditional film type storage tank, further reducing the evaporation rate and improving the storage time of liquid cargo hydrogen in the storage tank; a set of complete high-vacuum insulation box system is adopted to prefabricate the high-vacuum insulation box module, so that the field construction amount is reduced, and the external heat transfer is effectively reduced, thereby reducing the evaporation rate of liquid hydrogen; the prefabricated film shielding layer and the prefabricated insulating layer are adopted for on-site splicing, so that the construction requirement is further reduced, the construction period is shortened, and the construction cost is saved; the double-layer shielding improves the safety performance of hydrogen storage, and the flexibility and the ductility of the film ensure the integrity of the container at low temperature; helium is filled between the shields, and a safety detection system is arranged, so that the accident risk of liquid hydrogen leakage caused by shield rupture is greatly reduced. The utility model is used for the warehousing and transportation of the vertical liquid hydrogen storage tank in land, liquid hydrogen boats and ships fuel tank and liquid hydrogen transport ship cargo tank has broken through the restriction of hydrogen storage pressure vessel, adopts normal low pressure vessel to satisfy the hydrogen storage requirement, is a brand-new, uses more extensively, the liquid hydrogen film type storage tank of safer, green, environmental protection.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a land is with film liquid hydrogen storage tank with high vacuum insulation case which characterized in that: the storage tank includes: concrete outer tank 1, dampproof course 2, high vacuum insulation case 3, inboard secondary insulating layer 5, secondary shielding layer 6, inboard main insulation layer 7, main shielding layer 8, steel tank deck 9, concrete tank deck 10, concrete bottom plate 11. The concrete outer tank 1, the concrete tank top 10 and the concrete bottom plate 11 adopt a prestressed reinforced concrete structure, the inner walls of the concrete outer tank 1 and the concrete bottom plate 11 are coated with a moisture-proof layer 2, the high-vacuum insulation boxes 3 are arranged on the inner side of the moisture-proof layer 2, a filling heat-insulating block 4 is arranged between each high-vacuum insulation box 3, the high-vacuum insulation boxes 3 are arranged on the inner side of the steel tank top 9 and are mutually connected with the high-vacuum insulation boxes 3 on the inner sides of the concrete outer tank 1 and the concrete bottom plate 11 to form a complete insulating layer, the inner side secondary insulating layer 5 consists of a plurality of prefabricated standard insulation cold-insulation boxes and is fixed on the high-vacuum insulation boxes 3 in a stud or bonding mode, the secondary shielding layer 6 consists of a plurality of prefabricated standard metal plates which are fixed on the inner side secondary insulating layer 5 and are mutually overlapped to form a complete secondary container, play the protection of second layer, avoid the further leakage of liquid that causes after main shielding layer 8 breaks, inboard main insulating layer 7 comprises a plurality of prefabricated standard insulation cold boxes, adopts double-screw bolt or the mode of bonding to fix on secondary shielding layer 6, main shielding layer 8 comprises a plurality of prefabricated standard metal sheets, fixes on inboard main insulating layer 7, and the metal sheet overlap joint of each other constitutes a complete main container for the storage liquid hydrogen. The steel tank deck 9 is fixed on the top end of the tank wall of the concrete outer tank 1, and the concrete tank deck 10 is laid on the steel tank deck top 9 to form external protection. The utility model provides a land is with film liquid hydrogen storage tank is a flat vertical liquid hydrogen container with liquid nitrogen cold wall, compares in liquid hydrogen spherical storage tank, under the same area, can save more liquid hydrogen.
The high vacuum insulation box 3 is a prefabricated standard insulation box and consists of an insulation box shell 12, an adsorption layer 13, a heat resistance cushion block 14, an insulation box support 15, a high vacuum layer 16 and an in-box insulation layer 17. The insulating box shell 12 is made of stainless steel plates, 9% nickel steel plates, invar steel plates, aluminum alloy plates or carbon fibers, insulating box supports 15 are arranged inside the insulating box shell 12, and heat-resistant cushion blocks 14 are arranged between the insulating box supports 15. The inside of the high vacuum insulation box 3 is vacuumized to form a high vacuum layer 16, and the vacuum degree needs to reach 10 -3 And below pa, performing the vacuum extraction process by adopting auxiliary modes such as independent heating of interlayer space or high-temperature nitrogen circulation and the like. The insulating layer 17 in the box adopts at least one of a multilayer winding plate, a vacuum insulation panel and an aerogel plate, is arranged on one side of the inside of the insulating box shell 12, and is provided with the adsorption layer 13 on the other side, and the adsorption layer 13 adopts at least one of palladium oxide, a molecular sieve and an activated carbon adsorption material to maintain the vacuum degree of the high vacuum layer 16.
The high vacuum insulation box 3 is fixed on a concrete outer tank 1 and a concrete bottom plate 11 by adopting a stud 18 mode, the concrete outer tank 1 and the concrete bottom plate 11 are coated with a polymer resin moisture-proof layer 2, a filling heat insulation block 4 is installed between the high vacuum insulation boxes 3, and the filling heat insulation block 4 adopts at least one of polyurethane foam, glass wool and aerogel.
The size of the high vacuum insulation box 3 is designed according to the size of the storage tank, a distributed prefabrication type is adopted, and a plurality of high vacuum insulation boxes 3 are longitudinally or transversely fixed on the concrete outer tank 1 and the concrete bottom plate 11 in series, or an integral prefabrication type is adopted and fixed on the concrete outer tank 1 and the concrete bottom plate 11. The high vacuum insulation boxes 3 are connected by adopting an interconnecting valve 20, and a vacuumizing valve 19 is arranged at the top or the bottom of the high vacuum insulation boxes, so that the on-site monitoring or the vacuum pumping is facilitated.
The shape of the high vacuum insulation box 3 is designed according to the appearance of the storage tank, and the high vacuum insulation box is respectively provided with a plane type insulation box arranged on a plane, a fan type insulation box arranged on a bottom surface, an arch type insulation box arranged on a top surface, an obtuse angle type insulation box arranged on a side surface, a three-surface type insulation box arranged on a bottom angle, a right-angle type insulation box arranged on the bottom angle and the like.
The inner side secondary insulating layer 5 and the inner side main insulating layer 7 are respectively composed of a plurality of prefabricated standard insulating cold-keeping boxes and are fixed on the high-vacuum insulating box 3 in a stud or bonding mode; a plurality of pressure, temperature and hydrogen detectors are arranged in the space between the inner side secondary insulating layer 5 and the inner side main insulating layer 7; helium is filled in the space between the inner side secondary insulating layer 5 and the inner side main insulating layer 7. The standard insulation cold-proof box is assembled and prefabricated by adopting a support plate and a heat-insulating material, the support plate material is at least one of low-temperature-resistant plywood, a glass steel plate, polytetrafluoroethylene and polyether-ether-ketone, and the heat-insulating material is at least one of glass wool, pearlife, aerogel, a high-vacuum heat-insulating plate, polyurethane foam and vacuum glass beads. The utility model provides a land is with film liquid hydrogen storage tank with liquid nitrogen cold wall adopts double-deck shielded structural design, has guaranteed the structure independence of storage and airtight function, and every layer can guarantee to save alone, and when the main layer shielding damage back, the storage integrality of storage tank still can be guaranteed in the secondary shield, guarantees that liquid hydrogen does not leak. The utility model provides a metal film type storage tank for storing liquefied hydrogen, its inboard inferior insulating layer is in inert gas (helium) environment with inboard main insulation layer all the time, and other combustible gas not, installs leakage gas detection system and temperature pressure monitoring system in the adiabatic filling layer, and the integrality of detection shielding that can be fast can further improve the security like this.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. The utility model provides a land is with film liquid hydrogen storage tank with high vacuum insulation case which characterized in that: the storage tank includes: the concrete insulation box comprises a concrete outer tank (1), a moisture-proof layer (2), a high-vacuum insulation box (3), an inner side secondary insulation layer (5), a secondary shielding layer (6), an inner side main insulation layer (7), a main shielding layer (8), a steel tank top (9), a concrete tank top (10) and a concrete bottom plate (11); the concrete outer tank (1), the concrete tank top (10) and the concrete bottom plate (11) adopt a prestressed reinforced concrete structure, the inner walls of the concrete outer tank (1) and the concrete bottom plate (11) are coated with a damp-proof layer (2), the high-vacuum insulation boxes (3) are arranged on the inner side of the damp-proof layer (2), filling heat-insulating blocks (4) are arranged among the high-vacuum insulation boxes (3), the high-vacuum insulation boxes (3) are arranged on the inner side of the steel tank top (9) and are mutually connected with the high-vacuum insulation boxes (3) on the inner sides of the concrete outer tank (1) and the concrete bottom plate (11) to form a complete insulation layer, the inner side secondary insulation layer (5) consists of a plurality of prefabricated insulation cold insulation boxes and is fixed on the high-vacuum insulation boxes (3) in a stud or bonding mode, the secondary shielding layer (6) consists of a plurality of prefabricated metal plates, the insulating layer is fixed on the inner side secondary insulating layer (5), the metal plates are mutually overlapped to form a complete secondary container to play a role of second layer protection, the inner side main insulating layer (7) is composed of a plurality of prefabricated insulating cold boxes and is fixed on the secondary shielding layer (6) in a stud or bonding mode, the main shielding layer (8) is composed of a plurality of prefabricated metal plates and is fixed on the inner side main insulating layer (7), and the metal plates are mutually overlapped to form a complete primary container.
2. The land-use thin-film liquid hydrogen storage tank with the high-vacuum insulation box as claimed in claim 1, wherein: the high-vacuum insulation box (3) is a prefabricated insulation box and consists of an insulation box shell (12), an adsorption layer (13), a heat-resistant cushion block (14), an insulation box support (15), a high-vacuum layer (16) and an in-box insulation layer (17); the insulating box shell (12) is made of at least one of a stainless steel plate, a 9% nickel steel plate, an invar steel plate, an aluminum alloy plate and carbon fiber; insulation box supports (15) are arranged in the insulation box shell (12), and heat-resistant cushion blocks (14) are arranged between the insulation box supports (15); the inside of the high vacuum insulation box (3) is vacuumized to form a high vacuum layer (16), and the vacuum degree needs to reach 10 -3 pa or less; the insulation layer (17) in the box is a multi-layer winding plate, a vacuum insulation plate or an aerogel plate, the insulation layer is installed on one side of the interior of the insulation box shell (12), the adsorption layer (13) is installed on the other side of the interior of the insulation box shell, and the adsorption layer (13) is made of at least one of palladium oxide, a molecular sieve and an activated carbon adsorption material.
3. The land-use thin-film liquid hydrogen storage tank with the high-vacuum insulation box as claimed in claim 1, wherein: the high-vacuum insulation box (3) is fixed on the concrete outer tank (1) and the concrete bottom plate (11) in a stud (18) mode, and the concrete outer tank (1) and the concrete bottom plate (11) are coated with a polymer resin moisture-proof layer (2); and filling heat-insulating blocks (4) are arranged between the high-vacuum insulating boxes (3), and the filling heat-insulating blocks (4) adopt at least one of polyurethane foam, glass wool and aerogel.
4. The land-use thin-film liquid hydrogen storage tank with the high-vacuum insulation box as claimed in claim 1, wherein: the size of the high vacuum insulation box (3) is designed according to the size of the storage tank, a distributed prefabrication type is adopted, and a plurality of high vacuum insulation boxes (3) are longitudinally or transversely fixed on the concrete outer tank (1) and the concrete bottom plate (11) in series, or an integral prefabrication type is adopted and fixed on the concrete outer tank (1) and the concrete bottom plate (11); the high vacuum insulation boxes (3) are connected by adopting a communicating valve (20), and a vacuumizing valve (19) is arranged at the top or the bottom.
5. The land-use thin-film liquid hydrogen storage tank with the high-vacuum insulation box as claimed in claim 1, wherein: the shape of the high vacuum insulation box (3) is designed according to the appearance of the storage tank, and the high vacuum insulation box is respectively provided with a planar insulation box arranged on a plane, a fan-shaped insulation box arranged on the bottom surface, an arch-shaped insulation box arranged on the top surface, an obtuse angle insulation box arranged on the side surface, a three-sided insulation box arranged on a bottom angle and a right-angle insulation box arranged on the bottom angle.
6. The land-use thin-film liquid hydrogen storage tank with the high-vacuum insulation box as claimed in claim 1, wherein: a plurality of pressure, temperature and hydrogen detectors are arranged in the space of the inner secondary insulating layer (5) and used for detecting whether the secondary shield leaks; helium is filled in the space of the inner side secondary insulating layer (5).
7. The land-use thin-film liquid hydrogen storage tank with the high-vacuum insulation box as claimed in claim 1, wherein: the insulating and cold-keeping box is formed by assembling and prefabricating a support plate and a heat-insulating material, wherein the support plate is made of at least one of low-temperature-resistant plywood, a glass fiber reinforced plastic plate, polytetrafluoroethylene and polyether ether ketone, and the heat-insulating material is made of at least one of glass wool, pearl sand, aerogel, a high-vacuum heat-insulating plate, polyurethane foam and vacuum glass beads.
8. The land-use thin-film liquid hydrogen storage tank with the high-vacuum insulation box as claimed in claim 1, wherein: the secondary shielding layer (6) is composed of a plurality of prefabricated metal plates and is fixed on the inner secondary insulating layer (5), and the metal plates are mutually overlapped to form a complete secondary container; the main shielding layer (8) is composed of a plurality of prefabricated metal plates and fixed on the inner side main insulating layer (7), and the metal corrugated plates are mutually overlapped to form a complete main container.
9. The land-use thin-film liquid hydrogen storage tank with the high-vacuum insulation box as claimed in claim 8, wherein: the metal plate is at least one of a stainless steel plate, a 9% nickel steel plate, an invar steel plate and an aluminum alloy plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123101540.3U CN217153800U (en) | 2021-12-06 | 2021-12-06 | Land film liquid hydrogen storage tank with high vacuum insulation box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123101540.3U CN217153800U (en) | 2021-12-06 | 2021-12-06 | Land film liquid hydrogen storage tank with high vacuum insulation box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217153800U true CN217153800U (en) | 2022-08-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123101540.3U Active CN217153800U (en) | 2021-12-06 | 2021-12-06 | Land film liquid hydrogen storage tank with high vacuum insulation box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217153800U (en) |
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2021
- 2021-12-06 CN CN202123101540.3U patent/CN217153800U/en active Active
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