Assembling shell structure of organic liquid hydrogen storage tank

Abstract

The invention discloses an organic liquid hydrogen storage tank assembling shell structure which comprises an inner tank, an inner support is fixedly connected to the outer surface of the inner tank, the inner support is annular, an outer tank is fixedly connected to the outer surface of the inner support, and the outer tank is composed of a first tank shell and a second tank shell. The fabricated hydrogen storage tank has the advantages that all parts of the fabricated hydrogen storage tank are prefabricated and assembled in a factory, the field installation workload is small, construction is easy, and the installation period can be greatly shortened. The assembly type hydrogen storage tank adopts an advanced sealing technology and a high-strength material, so that the sealing performance and the safety of hydrogen can be ensured. The assembly type hydrogen storage tank can be customized according to actual requirements, the size and the capacity can be adjusted according to requirements, and the requirements of different users are met. The manufacturing cost of the assembled hydrogen storage tank is lower, and meanwhile, due to the characteristics of high efficiency and energy conservation, the operation cost can be reduced in the use process, and the economic benefit is improved.

Description

Technical Field

[0001] The invention relates to the technical field of organic liquid hydrogen storage, and in particular to an organic liquid hydrogen storage tank assembly shell structure. Background Art

[0002] Organic liquid hydrogen storage is a new type of hydrogen storage technology. Its principle is to use the reversible reaction of unsaturated liquid organic matter such as olefins, alkynes or aromatic hydrocarbons and hydrogen to achieve hydrogen storage and release. This technology has the advantages of high safety, high stability, high hydrogen storage density and transportability at normal temperature and pressure.

[0003] Organic liquid hydrogen storage tank is a container specially used for storing organic liquid hydrogen. Its structure consists of tank shell, interface, pressure gauge, safety device, etc. Its shell usually adopts integrated casting structure. Although the structural strength is guaranteed, it also has the following defects:

[0004] It is not flexible and cannot be customized according to actual needs. It is not economical and parts need to be discarded and replaced when damaged. It is not easy to construct and is not simple and convenient to assemble with other components. Summary of the invention

[0005] 1. Technical issues to be solved

[0006] In view of the deficiencies of the prior art, the present invention provides an assembled shell structure for an organic liquid hydrogen storage tank. The various components of the assembled hydrogen storage tank are prefabricated and assembled in the factory, with a small workload for on-site installation, easy construction, and can greatly shorten the installation period. The assembled hydrogen storage tank adopts advanced sealing technology and high-strength materials to ensure the sealing and safety of hydrogen. The assembled shell structure of the hydrogen storage tank is highly flexible, economical, environmentally sustainable, and highly reliable, and effectively solves the problems existing in the above-mentioned background technology.

[0007] (II) Technical solution

[0008] To achieve the above object, the present invention provides the following technical solution: an organic liquid hydrogen storage tank assembly shell structure, comprising an inner tank, the outer surface of the inner tank is fixedly connected to an inner support, and the inner support is annular;

[0009] The outer surface of the inner support is fixedly connected with an outer tank, the outer tank is composed of a first tank shell and a second tank shell, the inner sides of the first tank shell and the second tank shell are fixedly connected with a backing plate, one side of the backing plate abuts against the inner support;

[0010] The ports of the first tank shell and the second tank shell are fixedly connected with flanges, and a circle of positioning holes is provided on the flanges;

[0011] The flanges of the first tank shell and the second tank shell are connected by rivets, a sealing groove is provided on the fitting surface of the flange, and a sealing layer is filled in the sealing groove and between the flanges;

[0012] The top of the first tank shell is fixedly connected with an interface, and the interface is connected to the inner tank;

[0013] The bottoms of the first tank shell and the second tank shell are fixedly connected with a support seat, a positioning rod is inserted on the support seat, the positioning rod is arranged horizontally, the end of the positioning rod is threadedly connected to the surface of the flange, and the end of the positioning rod is threadedly connected with a fastening nut.

[0014] Preferably, the inner tank is made of aluminum alloy, and the inner tank is bonded to the inner support.

[0015] This device is specially used for organic liquid hydrogen storage. Its core features are: the components of the assembled and prefabricated hydrogen storage tanks are prefabricated and assembled in the factory, the on-site installation workload is small, the construction is easy, and the installation cycle can be greatly shortened. The assembled hydrogen storage tank adopts advanced sealing technology and high-strength materials to ensure the sealing and safety of hydrogen.

[0016] Strong flexibility: Assembled hydrogen storage tanks can be customized according to actual needs, and the size and capacity can be adjusted as needed to meet the needs of different users.

[0017] Good economy: The manufacturing cost of the assembled hydrogen storage tank is low. At the same time, due to its high efficiency and energy-saving characteristics, it can reduce operating costs and improve economic benefits during use.

[0018] Environmentally friendly and sustainable: The assembled hydrogen storage tanks can be reused and can be easily compatible with the future hydrogen energy ecosystem, helping to promote the sustainable development of energy.

[0019] High reliability: The assembled hydrogen storage tank has high reliability and durability and can operate stably in different environments and conditions.

[0020] Preferably, the outer tank is bonded to the inner support, and the space between the outer tank and the inner tank is evacuated.

[0021] Adopting the above technical scheme: the components of the hydrogen storage tank are divided into five major components: an inner tank, an outer tank connected by flanges, an inner support, a support seat, and a positioning rod. Among them, the inner tank, the outer tank connected by flanges, the inner support, the support seat, and the positioning rod are all prefabricated and then spliced ​​and installed on site. Among them, the inner tank and the inner support are bonded, the inner support and the outer tank are bonded, the support seat and the outer tank are welded, the outer tanks are connected by flanges and rivets, and the positioning rod connects the support seat to the flange to improve the structural integrity and overall strength.

[0022] Preferably, the inner support is a solid polystyrene structure, and the outer tank is made of carbon steel or stainless steel.

[0023] Preferably, the outer tank is integrally welded to the flange, and the edge of the flange fitting surface is chamfered.

[0024] Preferably, the sealing groove is annular in structure, and the sealing layer is made of a flexible graphite layer.

[0025] Adopting the above technical solution: Flexible graphite is a material composed of carbon elements, which has excellent high temperature resistance, corrosion resistance and self-lubricating properties. It can form an effective seal between metal flanges and is often used in high temperature and high pressure sealing occasions.

[0026] Preferably, the interface is welded to the first tank shell, the support seat is welded to the first tank shell and the second tank shell, and the top surface of the support seat has an arc surface that matches the first tank shell and the second tank shell.

[0027] Preferably, the positioning rod passes through the support seat, and the fastening nut is tightened on the surface of the support seat.

[0028] (III) Beneficial effects

[0029] Compared with the prior art, the present invention provides an organic liquid hydrogen storage tank assembly shell structure, which has the following beneficial effects:

[0030] The assembled shell structure of the organic liquid hydrogen storage tank includes five major components: an inner tank, an outer tank connected by flanges, an inner support, a support seat, and a positioning rod. Among them, the inner tank, the outer tank connected by flanges, the inner support, the support seat, and the positioning rod are all prefabricated and then spliced ​​and installed on site. Its core features are: assembled, the various components of the assembled hydrogen storage tank are prefabricated and assembled in the factory, the on-site installation workload is small, the construction is easy, and the installation cycle can be greatly shortened. The assembled hydrogen storage tank adopts advanced sealing technology and high-strength materials to ensure the sealing and safety of hydrogen, and the assembled shell structure of the organic liquid hydrogen storage tank is highly flexible. The assembled hydrogen storage tank can be customized according to actual needs, and the size and capacity can be adjusted as needed to meet the needs of different users. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 A schematic diagram of a first-angle view of an assembly shell structure of an organic liquid hydrogen storage tank proposed by the present invention;

[0032] Figure 2 A schematic diagram of a second viewing angle of an assembled shell structure of an organic liquid hydrogen storage tank proposed by the present invention;

[0033] Figure 3 It is a schematic diagram of the structure of the plate in the present invention;

[0034] Figure 4 It is a schematic diagram of the structure of the inner support in the present invention;

[0035] Figure 5 It is a schematic structural diagram of the second tank shell in the present invention;

[0036] Figure 6 It is a schematic diagram of the partial cross-sectional structure of the inner tank 1 in the present invention.

[0037] In the figure: 1-inner tank, 2-inner support, 3-outer tank, 4-first tank shell, 5-second tank shell, 6-flange, 7-positioning hole, 8-rivet, 9-sealing groove, 10-sealing layer, 11-interface, 12-support seat, 13-positioning rod, 14-fastening nut, 15-back plate. DETAILED DESCRIPTION

[0038] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0039] See also Figure 1-6 , an organic liquid hydrogen storage tank assembly shell structure, comprising an inner tank 1, an inner support 2 is fixedly connected to the outer surface of the inner tank 1, and the inner support 2 is annular;

[0040] The outer surface of the inner support 2 is fixedly connected with the outer tank 3, which is composed of a first tank shell 4 and a second tank shell 5. The inner sides of the first tank shell 4 and the second tank shell 5 are fixedly connected with a support plate 15, and one side of the support plate 15 abuts against the inner support 2.

[0041] The first tank shell 4 and the second tank shell 5 are fixedly connected with a flange 6, and a circle of positioning holes 7 are formed on the flange 6;

[0042] The flanges 6 of the first tank shell 4 and the second tank shell 5 are connected by rivets 8. A sealing groove 9 is provided on the fitting surface of the flange 6. A sealing layer 10 is filled in the sealing groove 9 and between the flange 6.

[0043] The top of the first tank shell 4 is fixedly connected with an interface 11, and the interface 11 is connected to the inner tank 1;

[0044] The bottom of the first tank shell 4 and the second tank shell 5 are fixedly connected with a support seat 12, and a positioning rod 13 is inserted on the support seat 12. The positioning rod 13 is arranged horizontally, and the end of the positioning rod 13 is threadedly connected to the surface of the flange 6. The end of the positioning rod 13 is threadedly connected with a fastening nut 14.

[0045] Embodiment 1: The material of the inner tank 1 is aluminum alloy, and the inner tank 1 is bonded to the inner support 2. Preferably, the outer tank 3 is bonded to the inner support 2, and the space between the outer tank 3 and the inner tank 1 is evacuated. The components of this hydrogen storage tank are divided into five major components: the inner tank 1, the outer tank 3 connected by flange 6, the inner support 2, the support seat 12, and the positioning rod 13. Among them, the inner tank 1, the outer tank 3 connected by flange 6, the inner support 2, the support seat 12, and the positioning rod 13 are all prefabricated and then spliced ​​and installed on site. Among them, the inner tank 1 is bonded to the inner support 2, the inner support 2 is bonded to the outer tank 3, the support seat 12 and the outer tank 3 are welded, and the outer tank 3 is connected by flange 6 and rivet 8. The positioning rod 13 connects the support seat 12 to the flange 6 to improve the structural integrity and overall strength.

[0046] Embodiment 2: The inner support 2 is a solid polystyrene structure, and the material of the outer tank 3 is carbon steel. The outer tank 3 is welded integrally with the flange 6, and the edge of the flange 6 fitting surface is chamfered. The sealing groove 9 is annular in structure, and the material of the sealing layer 10 is a flexible graphite layer. Flexible graphite is a material composed of carbon elements, and has excellent high temperature resistance, corrosion resistance and self-lubricating properties. It can form an effective seal between metal flanges and is often used in high temperature and high pressure sealing occasions. Ensure the connection sealing of the flange 6. The interface 11 is welded to the first tank shell 4, and the support seat 12 is welded to the first tank shell 4 and the second tank shell 5. The top surface of the support seat 12 has an arc surface that matches the first tank shell 4 and the second tank shell 5. The positioning rod 13 passes through the support seat 12, and the fastening nut 14 is tightened on the surface of the support seat 12.

[0047] The positioning rod 13 connects the support 12 with the flange 6 to improve the structural integrity and overall strength of the hydrogen storage tank.

[0048] Implementation 3: When assembling the hydrogen storage tank, the inner support 2 is bonded to the outer surface of the inner tank 1, and the outer tank 3 is installed. The inner wall of the outer tank 3 is pre-coated with glue and bonded to the inner support 2. The side of the inner support 2 abuts against the backing plate 15.

[0049] The first tank shell 4 and the second tank shell 5 are assembled by means of the flange 6 and the rivet 8. At the same time, the sealing layer 10 is filled between the flanges 6 and in the sealing groove 9, and the inside of the first tank shell 4 and the second tank shell 5 are evacuated by means of the reserved joint;

[0050] The interface 10 is connected to the inner tank 1, and a support 12 is welded at the bottom of the first tank shell 4 and the second tank shell 5. A positioning rod 13 is used to penetrate the support 12. One end of the positioning rod 13 is threadedly connected to the flange 6, and the other end of the positioning rod 13 is tightened with a fastening nut 14.

[0051] In summary, the assembled shell structure of the organic liquid hydrogen storage tank includes five major components: inner tank 1, outer tank 3 connected by flange 6, inner support 2, support seat 12, and positioning rod 13. Among them, inner tank 1, outer tank 3 connected by flange 6, inner support 2, support seat 12, and positioning rod 13 are all prefabricated and then spliced ​​and installed on site. Its core features are: the various components of the assembled and prefabricated hydrogen storage tanks are prefabricated and assembled in the factory, the on-site installation workload is small, easy to construct, and the installation period can be greatly shortened. The assembled hydrogen storage tank adopts advanced sealing technology and high-strength materials to ensure the sealing and safety of hydrogen.

[0052] The assembled shell structure of the organic liquid hydrogen storage tank also has the technical advantages of strong flexibility, good economy, environmental sustainability and high reliability.

[0053] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise one" do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0054] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An organic liquid hydrogen storage tank assembly shell structure, characterized in that: It comprises an inner tank, the outer surface of which is fixedly connected with an inner support, and the inner support is annular; The outer surface of the inner support is fixedly connected with an outer tank, the outer tank is composed of a first tank shell and a second tank shell, the inner sides of the first tank shell and the second tank shell are fixedly connected with a backing plate, one side of the backing plate abuts against the inner support; The ports of the first tank shell and the second tank shell are fixedly connected with flanges, and a circle of positioning holes is provided on the flanges; The flanges of the first tank shell and the second tank shell are connected by rivets, a sealing groove is provided on the fitting surface of the flange, and a sealing layer is filled in the sealing groove and between the flanges; The top of the first tank shell is fixedly connected with an interface, and the interface is connected to the inner tank; The bottoms of the first tank shell and the second tank shell are fixedly connected with a support seat, a positioning rod is inserted on the support seat, the positioning rod is arranged horizontally, the end of the positioning rod is threadedly connected to the surface of the flange, and the end of the positioning rod is threadedly connected with a fastening nut.

2. The organic liquid hydrogen storage tank assembly shell structure according to claim 1 is characterized in that: The inner tank is made of aluminum alloy, and the inner tank is bonded to the inner support.

3. The organic liquid hydrogen storage tank assembly shell structure according to claim 1, characterized in that: The outer tank is bonded to the inner support, and the space between the outer tank and the inner tank is evacuated.

4. The organic liquid hydrogen storage tank assembly shell structure according to claim 1, characterized in that: The inner support is a solid polystyrene structure, and the outer tank is made of carbon steel or stainless steel.

5. The organic liquid hydrogen storage tank assembly shell structure according to claim 1, characterized in that: The outer tank is integrally welded to the flange, and the edge of the flange fitting surface is chamfered.

6. The organic liquid hydrogen storage tank assembly shell structure according to claim 1, characterized in that: The sealing groove is annular in structure, and the sealing layer is made of a flexible graphite layer.

7. The organic liquid hydrogen storage tank assembly shell structure according to claim 1, characterized in that: The interface is welded to the first tank shell, the support seat is welded to the first tank shell and the second tank shell, and the top surface of the support seat has an arc surface that matches the first tank shell and the second tank shell.

8. The organic liquid hydrogen storage tank assembly shell structure according to claim 1, characterized in that: The positioning rod passes through the support seat, and the fastening nut is tightened on the surface of the support seat.

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