Supporting column anchoring structure for liquid hydrogen combined storage tank

Abstract

The utility model discloses a strut anchoring structure for a liquid hydrogen combined storage tank, which relates to the technical field of chemical engineering and new energy, and comprises a vertical storage tank and a double-layer hydrogen storage spherical tank arranged in the vertical storage tank through a support member, and a storage tank base is arranged at the outer bottom of the vertical storage tank. The supporting column anchoring structures are arranged at the bottoms of the supporting components and fix the corresponding supporting components to the storage tank base. Each supporting column anchoring structure comprises an upper anchoring plate, a middle connecting piece, a lower anchoring plate and an anchor nail assembly which are sequentially connected from top to bottom. The upper anchoring plate is detachably connected with the supporting column bottom plate, and the anchor nails are embedded in the storage tank base. The pillar anchoring structure is a combined structure, and the upper anchoring plate and the lower anchoring plate are connected, fixed and reinforced through the middle connecting piece. The lower anchoring plate is buried in the storage tank base through the anchor nail assembly, and the upper anchoring plate is connected with the supporting column bottom plate through the fastening piece.

Description

Technical Field

[0001] This utility model relates to the fields of chemical and new energy technology, and more specifically to the field of support anchoring structure technology for liquid hydrogen combined storage tanks. Background Technology

[0002] Liquid hydrogen storage tank, a cryogenic container used to store liquid hydrogen. Existing patents disclose the following technologies:

[0003] Patent publication number CN115076592B, entitled "A BOG Control System and Control Method for Liquid Hydrogen Storage Tank, Liquid Hydrogen Storage Tank," discloses the following: It includes a liquid hydrogen storage system, a refrigeration subsystem II, a data monitoring and control subsystem, and a safety management system. The liquid hydrogen storage system stores liquid hydrogen; the refrigeration subsystem generates and supplies cooling energy to the liquid hydrogen storage system and removes waste heat from within the system, thus achieving the internal refrigeration process of the liquid hydrogen storage tank; the data monitoring and control subsystem monitors data such as pressure, temperature, and liquid level within the liquid hydrogen storage system and actively controls the refrigeration process; the safety management system IV handles hydrogen generated in the liquid hydrogen storage system under accident conditions. The refrigeration subsystem in this invention is an integrated helium refrigeration subsystem. This invention solves the problem of large-scale, long-term, non-destructive ground storage of liquid hydrogen.

[0004] In the existing technology and the aforementioned patented support anchoring structure, the leakage protection layer cannot serve to fix the spherical tank support, and special anchors are required to anchor the support. Utility Model Content

[0005] The purpose of this utility model is to provide a support anchoring structure for liquid hydrogen combined storage tanks in order to solve the above-mentioned technical problems.

[0006] To achieve the above objectives, this utility model specifically adopts the following technical solution:

[0007] This utility model provides a support anchoring structure for a liquid hydrogen combined storage tank. The liquid hydrogen combined storage tank includes a vertical storage tank and a double-layer hydrogen storage spherical tank set inside the vertical storage tank by support members. A storage tank base is set at the bottom of the vertical storage tank. The vertical storage tank includes a vertical storage tank bottom plate fixed on the storage tank base and a vertical storage tank body set on the vertical storage tank bottom plate. A heat insulation protection layer is set at the bottom of the vertical storage tank body, and a leakage protection layer is attached to the inner side of the heat insulation protection layer. The support anchoring structure is set at the bottom of the support members to fix the corresponding support members to the storage tank base. Each support anchoring structure includes an upper anchoring plate, a middle connector, a lower anchoring plate, and an anchor bolt assembly connected sequentially from top to bottom.

[0008] The upper anchor plate is detachably connected to the support base plate, and the anchor is embedded in the tank base.

[0009] Specifically, the support anchoring structure is a combined structure, and the upper and lower anchoring plates are connected and fixed by the middle connecting piece and are reinforced.

[0010] The upper anchoring plate is welded or bonded with the leakage protection layer and ensures sealing, and the lower anchoring plate is welded with the vertical storage tank bottom plate to ensure the connection strength and sealing.

[0011] In one embodiment, a second through hole for accommodating the middle connecting piece is arranged in the thermal insulation protection layer;

[0012] A third through hole allowing the corresponding middle connecting piece to pass through is arranged below the vertical storage tank bottom plate, and the lower anchoring plate is arranged at the corresponding third through hole below the vertical storage tank bottom plate in a sealing manner.

[0013] In one embodiment, a first through hole corresponding to the upper anchoring plate is arranged on the leakage protection layer, the edge of the first through hole of the leakage protection layer is overlapped on the upper anchoring plate, and the edge of the upper anchoring plate is sealed by welding or bonding;

[0014] In one embodiment, the upper anchoring plate and the support bottom plate are detachably connected by at least two groups of bolt fasteners.

[0015] In one embodiment, the middle connecting piece comprises an inner cylinder arranged vertically and an outer cylinder sleeved outside the inner cylinder, the axial lengths of the inner cylinder and the outer cylinder are the same, and the upper and lower ends are aligned.

[0016] The upper end of the inner cylinder and the upper end of the outer cylinder are both sealed by welding with the upper anchoring plate, and the lower end of the inner cylinder and the lower end of the outer cylinder are both sealed by welding with the lower anchoring plate.

[0017] In one embodiment, the axis of the inner cylinder coincides with the axis of the outer cylinder.

[0018] In one embodiment, the inner cylinder is filled with anchoring thermal insulation material inside, and the inner cylinder and the outer cylinder are both filled with anchoring thermal insulation material.

[0019] Specifically, the support anchoring structure is a combined structure, and the upper and lower anchoring plates are connected and fixed by the inner and outer cylinders and are reinforced, all gaps of the inner and outer cylinders are filled with anchoring thermal insulation material, which effectively avoids low-temperature damage to the storage tank base caused by the leaked medium. The lower anchoring plate is pre-buried in the storage tank base by a bolt, and the upper anchoring plate is connected with the support bottom plate by a fastener.

[0020] In one embodiment, the material of the anchoring thermal insulation material is one or more of perlite, glass fiber, asbestos, rock wool, silicate, aerogel felt or vacuum board.

[0021] In one embodiment, the anchor plate is a square plate, and the anchor assembly includes a plurality of anchors in a rectangular array on the bottom of the anchor plate, each anchor being embedded in the tank foundation.

[0022] In one embodiment, the anchor plate is a square plate, and the anchor assembly includes a plurality of anchors in a rectangular array on the bottom of the anchor plate, each anchor being embedded in the tank foundation.

[0023] The beneficial effects of the present application are as follows:

[0024] 1. The column anchoring structure is a combined structure, and the upper and lower anchor plates are connected and fixed by a middle connecting piece and are reinforced. The lower anchor plate is embedded in the tank foundation by the anchor assembly, and the upper anchor plate is connected with the column bottom plate by a fastener.

[0025] 2. The upper anchor plate is welded or bonded with the leakage protection layer to ensure sealing, and the lower anchor plate is welded with the vertical tank bottom plate to ensure connection strength and sealing.

[0026] 3. All gaps of the inner and outer cylinders are filled with anchoring thermal insulation materials, which effectively avoids low-temperature damage to the tank foundation caused by the leaked medium. The lower anchor plate is embedded in the tank foundation by a bolt, and the upper anchor plate is connected with the column bottom plate by a fastener. BRIEF DESCRIPTION OF DRAWINGS

[0027] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can also be obtained without creative labor.

[0028] Figure 1 is a structural schematic diagram of the present application;

[0029] Figure 2 is an application diagram of the present application;

[0030] Marked: 1 - tank foundation, 2 - vertical tank bottom plate, 3 - vertical tank body, 4 - spherical tank support assembly, 5 - thermal insulation protection layer, 6 - leakage protection layer, 7 - column anchoring structure;

[0031] 4.1 - column bottom plate;

[0032] 7.1 - upper anchor plate, 7.2 - bolt fastener, 7.3 - inner cylinder, 7.4 - outer cylinder, 7.5 - lower anchor plate, 7.6 - anchor assembly. DETAILED DESCRIPTION

[0033] In order to make the technical problems, technical solutions and technical effects of the utility model clearer, the technical solutions in the utility model embodiments will be clearly and completely described below in combination with the drawings in the utility model embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model rather than all the embodiments. The components of the utility model embodiments described and shown in the drawings can be arranged and designed in various different configurations.

[0034] Therefore, the detailed description of the embodiments of the utility model provided in the drawings below is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0035] It should be noted that: similar signs and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings. In addition, the terms "first", "second" and the like are only used for differentiation in description, and cannot be understood as indicating or implying relative importance.

[0036] In the description of the embodiments of the utility model, it should be noted that the orientation or position relationship indicated by the terms "inner", "outer", "upper" and the like is based on the orientation or position relationship shown in the drawings, or the orientation or position relationship commonly used when the utility model product is used, which is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, therefore, it cannot be understood as a limitation on the utility model.

[0037] Embodiment 1

[0038] The embodiment provides a kind of liquid hydrogen combined storage tank support anchoring structure, liquid hydrogen combined storage tank includes vertical storage tank, double-layer hydrogen storage spherical tank is set in vertical storage tank inside by supporting member, vertical storage tank outer bottom is provided with storage tank base 1;Vertical storage tank includes vertical storage tank bottom plate 2 fixed on storage tank base 1, vertical storage tank body 3 is set on vertical storage tank bottom plate 2, the inner bottom of vertical storage tank body 3 is provided with heat insulation protective layer 5, heat insulation protective layer 5 inner side is attached with leakage protection layer 6, support anchoring structure 7 is set in the bottom of supporting member and is fixed corresponding supporting member on storage tank base 1, support anchoring structure 7 all include from top to bottom sequentially connected upper anchoring plate 7.1, middle connecting piece, lower anchoring plate 7.5 and anchor nail assembly 7.6;

[0039] Upper anchoring plate 7.1 is detachably connected with support bottom plate 4.1, anchor nail is inlaid in storage tank base 1.

[0040] Specifically, the support anchor structure 7 is a combined structure, and the upper and lower anchor plates 7.5 are connected and fixed by the middle connecting pieces and are reinforced. The lower anchor plate 7.5 is embedded in the storage tank base 1 through the anchor nail assembly 7.6, and the upper anchor plate 7.1 is connected with the support bottom plate 4.1 through fasteners.

[0041] Embodiment 2

[0042] The embodiment provides a support anchor structure for a liquid hydrogen combined storage tank. The liquid hydrogen combined storage tank comprises a vertical storage tank, a double-layer hydrogen storage spherical tank arranged inside the vertical storage tank through a supporting member, and a storage tank base 1 arranged at the outer bottom of the vertical storage tank. The vertical storage tank comprises a vertical storage tank bottom plate 2 fixed on the storage tank base 1 and a vertical storage tank body 3 arranged on the vertical storage tank bottom plate 2. The inner bottom of the vertical storage tank body 3 is provided with a heat insulation protection layer 5, and the inner side of the heat insulation protection layer 5 is attached with a leakage protection layer 6. The support anchor structure 7 is arranged at the bottom of the supporting member to fix the corresponding supporting member on the storage tank base 1. The support anchor structure 7 comprises, from top to bottom, an upper anchor plate 7.1, a middle connecting piece, a lower anchor plate 7.5 and an anchor nail assembly 7.6.

[0043] The upper anchor plate 7.1 is detachably connected with the support bottom plate 4.1, and the anchor nail is embedded in the storage tank base 1.

[0044] The upper anchor plate 7.1 is welded or bonded with the leakage protection layer 6 and guarantees sealing. The lower anchor plate 7.5 is welded with the vertical storage tank bottom plate 2 to guarantee the connection strength and sealing.

[0045] The heat insulation protection layer 5 is internally provided with a second through hole for accommodating the middle connecting piece.

[0046] The vertical storage tank bottom plate 2 is provided below with a third through hole allowing the corresponding middle connecting piece to pass through. The lower anchor plate 7.5 is arranged at the corresponding third through hole below the vertical storage tank bottom plate 2 in a sealing manner.

[0047] The leakage protection layer 6 is provided above with a first through hole corresponding to the upper anchor plate 7.1. The edge of the first through hole of the leakage protection layer 6 is overlapped on the upper anchor plate 7.1 and is sealed with the edge of the upper anchor plate 7.1 in a welding or bonding manner.

[0048] Embodiment 3

[0049] The embodiment is further optimized on the basis of the embodiment 2, and specifically:

[0050] The upper anchor plate 7.1 is detachably connected with the support bottom plate 4.1 through at least two groups of bolt fasteners 7.2.

[0051] The middle connecting piece comprises a vertical inner cylinder 7.3 and an outer cylinder 7.4 sleeved outside the inner cylinder 7.3. The axial length of the inner cylinder 7.3 is the same as that of the outer cylinder 7.4, and the two are vertically aligned.

[0052] The upper end of the inner cylinder 7.3 and the upper end of the outer cylinder 7.4 are both sealed by welding with the upper anchor plate 7.1; the lower end of the inner cylinder 7.3 and the lower end of the outer cylinder 7.4 are both sealed by welding with the lower anchor plate 7.5.

[0053] The axis of the inner cylinder 7.3 coincides with the axis of the outer cylinder 7.4.

[0054] The inner cylinder 7.3 is filled with anchoring thermal insulation material inside, and the inner cylinder 7.3 and the outer cylinder 7.4 are both filled with anchoring thermal insulation material.

[0055] Specifically, the anchoring structure is a combined structure, the upper and lower anchor plates 7.5 are connected and fixed by the inner and outer cylinders 7.4 and are reinforced, all the gaps of the inner and outer cylinders 7.4 are filled with anchoring thermal insulation material, which effectively avoids the low-temperature damage of the leaked medium to the tank foundation 1. The lower anchor plate 7.5 is embedded in the tank foundation 1 by the dowel, and the upper anchor plate 7.1 is connected with the column bottom plate 4.1 by the fastener.

[0056] Embodiment 4

[0057] This embodiment is further optimized on the basis of embodiment 3, specifically:

[0058] The upper anchor plate 7.1 and the column bottom plate 4.1 are detachably connected by at least two groups of bolt fasteners 7.2.

[0059] The middle connecting piece includes a vertically arranged inner cylinder 7.3 and an outer cylinder 7.4 sleeved outside the inner cylinder 7.3, the axial length of the inner cylinder 7.3 is the same as that of the outer cylinder 7.4, and the upper and lower two are aligned;

[0060] The upper end of the inner cylinder 7.3 and the upper end of the outer cylinder 7.4 are both sealed by welding with the upper anchor plate 7.1; the lower end of the inner cylinder 7.3 and the lower end of the outer cylinder 7.4 are both sealed by welding with the lower anchor plate 7.5.

[0061] The axis of the inner cylinder 7.3 coincides with the axis of the outer cylinder 7.4.

[0062] The inner cylinder 7.3 is filled with anchoring thermal insulation material inside, and the inner cylinder 7.3 and the outer cylinder 7.4 are both filled with anchoring thermal insulation material.

[0063] The material of the anchoring thermal insulation material is one or more of perlite, glass fiber, asbestos, rock wool, silicate, aerogel felt or vacuum board.

[0064] The anchor plate is a square plate, and the anchor pin assembly 7.6 includes a plurality of anchor pins arranged in a rectangular array at the bottom of the anchor plate, and each anchor pin is embedded in the tank foundation 1.

[0065] The anchor plate is a circular plate, and the anchor assembly 7.6 includes a number of anchors in a circular array on the bottom of the anchor plate, each of which is inlaid in the storage tank base 1.

Claims

1. A columnar support anchoring structure for a combined liquid hydrogen storage tank, the combined liquid hydrogen storage tank comprising a columnar storage tank, double-layered hydrogen storage spherical tanks arranged inside the columnar storage tank through support members, and a storage tank base (1) arranged at the outer bottom of the columnar storage tank; the columnar storage tank comprising a columnar storage tank bottom plate (2) fixed on the storage tank base (1), and a columnar storage tank body (3) arranged on the columnar storage tank bottom plate (2), wherein the inner bottom of the columnar storage tank body (3) is provided with a heat insulation protection layer (5), and the inner side of the heat insulation protection layer (5) is attached with a leakage protection layer (6); the columnar support anchoring structure (7) is arranged at the bottom of the support members to fix the corresponding support members on the storage tank base (1), characterized in that, The support anchor structure (7) comprises, from top to bottom, an upper anchor plate (7.1), a middle connecting piece, a lower anchor plate (7.5), and an anchor nail assembly (7.6); The upper anchor plate (7.1) is detachably connected with the support bottom plate (4.1), and the anchor nail is embedded in the storage tank base (1).

2. The pillar anchoring structure for a combined storage tank of liquid hydrogen according to claim 1, wherein A second through hole for accommodating the middle connecting piece is arranged in the heat insulation protection layer (5); A third through hole allowing the middle connecting piece to pass through is arranged below the vertical storage tank bottom plate (2), and the lower anchor plate (7.5) is arranged below the third through hole in a sealing manner.

3. The pillar anchoring structure for a combined storage tank of liquid hydrogen according to claim 2, wherein A first through hole corresponding to the upper anchor plate (7.1) is arranged on the leakage protection layer (6), the edge of the first through hole of the leakage protection layer (6) is overlapped on the upper anchor plate (7.1), and the edge of the upper anchor plate (7.1) is sealed by welding or bonding.

4. The pillar anchoring structure for a combined storage tank of liquid hydrogen according to claim 3, characterized by The upper anchor plate (7.1) is detachably connected with the support bottom plate (4.1) by at least two groups of bolt fasteners (7.2).

5. The pillar anchoring structure for a combined storage tank of liquid hydrogen according to claim 1, wherein The middle connecting piece comprises a vertical inner cylinder (7.3) and an outer cylinder (7.4) sleeved outside the inner cylinder (7.3), the axial length of the inner cylinder (7.3) is the same as that of the outer cylinder (7.4), and the upper and lower ends are aligned; The upper end of the inner cylinder (7.3) and the upper end of the outer cylinder (7.4) are sealed by welding with the upper anchor plate (7.1), and the lower end of the inner cylinder (7.3) and the lower end of the outer cylinder (7.4) are sealed by welding with the lower anchor plate (7.5).

6. The pillar anchoring structure for a combined storage tank of liquid hydrogen according to claim 5, wherein The axis of the inner cylinder (7.3) coincides with the axis of the outer cylinder (7.4).

7. The pillar anchoring structure for a combined storage tank of liquid hydrogen according to claim 6, wherein The inner cylinder (7.3) is filled with anchor heat insulation material, and the space between the inner cylinder (7.3) and the outer cylinder (7.4) is also filled with anchor heat insulation material.

8. The pillar anchoring structure for a combined storage tank of liquid hydrogen according to claim 7, wherein The anchor heat insulation material is one or more of perlite, glass fiber, asbestos, rock wool, silicate, aerogel felt, or vacuum plate.

9. The pillar anchoring structure for a combined storage tank of liquid hydrogen according to claim 1, wherein The anchor plate is a square plate, and the anchor nail assembly (7.6) comprises a plurality of anchor nails arranged in a rectangular array at the bottom of the anchor plate, and each anchor nail is embedded in the storage tank base (1).

10. The pillar anchoring structure for a combined storage tank of liquid hydrogen according to claim 1, wherein The anchor plate is a circular plate, and the anchor nail assembly (7.6) comprises a plurality of anchor nails arranged in a circular array at the bottom of the anchor plate, and each anchor nail is embedded in the storage tank base (1).

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