Interlayer fixing structure for vertical low-temperature storage tank

Abstract

The utility model discloses an interlayer fixing structure for a vertical low-temperature storage tank, which comprises a supporting ring, a plurality of seal head base plates, a plurality of connecting pieces and a plurality of transition supporting pieces, and the supporting ring is arranged on the inner wall of a seal head at the top of a shell of the vertical low-temperature storage tank. The end socket base plates are arranged on the outer wall of a top end socket of an inner container of the vertical low-temperature storage tank at intervals, the supporting ring and the end socket base plates are connected through the connecting pieces, and the supporting ring is lower than the end socket base plates. The transition supporting pieces are arranged on the outer wall of the bottom sealing head of the inner container at intervals; and one ends of the transition supporting pieces are connected with the inner wall of the bottom sealing head in the shell. According to the vertical low-temperature storage tank, the shell and the inner container are effectively combined through the flexible connecting piece at the top and the transition supporting piece at the bottom, stable fixing of the storage tank is achieved, and the structure has the advantages of being stable in structure, even in stress, high in adaptability and the like and can be applied to vertical low-temperature storage tanks of various specifications.

Description

Technical Field

[0001] The utility model relates to the technical field of vertical low-temperature storage tanks, in particular to a sandwich fixing structure for vertical low-temperature storage tanks. Background Art

[0002] In low-temperature environments, especially for the storage of cryogenic media such as liquid oxygen and liquid nitrogen, vertical cryogenic storage tanks are widely used due to their efficient storage capacity and stable performance. However, with the development of technology and the expansion of application scenarios, higher requirements are placed on the stability and safety of vertical cryogenic storage tanks. The traditional fixed structure of storage tanks often exhibits problems such as structural instability and stress concentration when dealing with factors such as temperature changes and external force impacts. Therefore, how to optimize the fixed structure of the storage tank and improve its stability has become a problem that needs to be solved urgently. Utility Model Content

[0003] The purpose of the utility model is to solve the above technical problems and to provide a sandwich fixing structure for a vertical low-temperature storage tank.

[0004] The technical solution of the utility model is as follows: a sandwich fixing structure for a vertical cryogenic storage tank, comprising a support ring and a plurality of head gaskets, connecting pieces and transition support pieces, wherein the support ring is arranged on the inner wall of the top head of the outer shell of the vertical cryogenic storage tank, a plurality of the head gaskets are arranged at intervals on the outer wall of the top head of the inner container of the vertical cryogenic storage tank, the connecting piece connects the support ring and the head gasket, the height of the support ring is lower than the height of the plurality of the head gaskets, the transition support pieces are arranged at intervals on the outer wall of the bottom head of the inner container and one end of the transition support pieces is connected to the inner wall of the bottom head of the outer shell.

[0005] Preferably, the connecting member is a flexible connecting member.

[0006] Preferably, the connecting member is a steel wire or a steel belt.

[0007] Preferably, the top of the transition support is a curved surface that matches the outer wall of the inner container, and the bottom is a curved surface that matches the inner wall of the outer shell.

[0008] Preferably, the transition support member is an angle steel support member or a channel steel support member.

[0009] The beneficial effect of the utility model is that in the utility model, the outer shell and the inner container are effectively combined through the flexible connecting piece at the top and the transition support piece at the bottom, thereby realizing stable fixation of the storage tank. The structure has the advantages of structural stability, uniform force, strong adaptability, etc., and can be applied to vertical low-temperature storage tanks of various specifications. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1It is a schematic diagram of a preferred embodiment of the utility model installed as a whole in a vertical low-temperature storage tank;

[0011] Figure 2 It is a top view of the support ring, the head gasket and the connecting piece arranged in the vertical cryogenic storage tank in the preferred embodiment of the utility model;

[0012] Figure 3 This is a front view of a transition support member in a preferred embodiment of the utility model;

[0013] Figure 4 It is a top view of a transition support member in a preferred embodiment of the utility model.

[0014] Reference numerals: support ring 10, head gasket 2, connecting piece 3, transition support piece 4. DETAILED DESCRIPTION

[0015] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0016] Reference Figures 1 to 4 A sandwich fixing structure for a vertical cryogenic storage tank comprises a support ring 10 and a plurality of head gaskets 2, a connecting piece 3 and a transition support piece 4. The support ring 10 is arranged on the inner wall of the top head of the shell of the vertical cryogenic storage tank. The plurality of head gaskets 2 are arranged on the outer wall of the top head of the inner container of the vertical cryogenic storage tank at intervals. The connecting piece 3 connects the support ring 10 and the head gasket 2. The height of the support ring 10 is lower than the height of the plurality of head gaskets 2. The transition support pieces 4 are arranged on the outer wall of the bottom head of the inner container at intervals and one end of the transition support pieces 4 is connected to the inner wall of the bottom head of the shell. In the utility model, the top inner wall of the shell of the vertical low-temperature storage tank is connected to the head pad 2 on the top head of the container through the connecting piece 3 on the support ring 10, and the connecting piece 3 is inclined to form an upward inclination angle, which can effectively compensate for the deformation of the container caused by the contraction of the carrier liquid due to cooling, and reduce the stress concentration at the top head of the container. The transition support 4 connects the outer wall of the bottom head of the container and the inner wall of the bottom head of the shell, so that the center of mass of the transition support 4 coincides with the outer wall of the container, eliminating the bending stress borne by the steel section, greatly improving the bottom support force, and improving the stability and reliability of the product.

[0017] As a preferred embodiment of the utility model, it may also have the following additional technical features:

[0018] In this embodiment, the connecting member 3 is a flexible connecting member.

[0019] In this embodiment, the connecting member 3 is a steel wire or a steel belt, which has the characteristics of high strength and low temperature resistance.

[0020] In this embodiment, the top of the transition support member 4 is a curved surface that matches the outer wall of the inner container, and the bottom is a curved surface that matches the inner wall of the outer shell, so that the transition support member 4 can fit tightly with the outer shell and the inner container.

[0021] In this embodiment, the transition support member 4 is an angle steel support member or a channel steel support member, which has the characteristics of strong bearing capacity and good low temperature resistance.

[0022] It should be noted that the terms "include", "comprises" or any other variations 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, an element defined by the sentence "comprises a ..." does not exclude the existence of other identical elements in the process, method, article or device including the element.

[0023] 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. A sandwich fixing structure for a vertical cryogenic storage tank, characterized in that: The invention comprises a support ring (10) and a plurality of head gaskets (2), a connecting piece (3) and a transition support piece (4), wherein the support ring (10) is arranged on the inner wall of the top head of the outer shell of a vertical low-temperature storage tank, and a plurality of head gaskets (2) are arranged at intervals on the outer wall of the top head of the inner container of the vertical low-temperature storage tank, the connecting piece (3) connects the support ring (10) and the head gasket (2), the height of the support ring (10) is lower than the height of the plurality of head gaskets (2), and the transition support piece (4) is arranged at intervals on the outer wall of the bottom head of the inner container and one end of the transition support piece (4) is connected to the inner wall of the bottom head of the outer shell.

2. The sandwich fixing structure for a vertical cryogenic storage tank according to claim 1, characterized in that: The connecting piece (3) is a flexible connecting piece.

3. The sandwich fixing structure for a vertical cryogenic storage tank according to claim 2, characterized in that: The connecting piece (3) is a steel wire or a steel belt.

4. The sandwich fixing structure for a vertical cryogenic storage tank according to claim 1, characterized in that: The top of the transition support member (4) is a curved surface that matches the outer wall of the inner container, and the bottom is a curved surface that matches the inner wall of the outer shell.

5. The sandwich fixing structure for a vertical cryogenic storage tank according to claim 1, characterized in that: The transition support member (4) is an angle steel support member or a channel steel support member.

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