Mounting structure, storage tank container including the same, and mounting method

Abstract

The present invention relates to the technical field of storage tank containers, and specifically to a mounting structure and a storage tank container including the same, and an mounting method, wherein the mounting structure comprises a rooting connecting rod, at least one transition connecting piece, and a capping connecting rod; the rooting connecting rod comprises a root and a first connecting rod body; the transition connecting piece is connected to the head of the first connecting rod body, and when the number of the transition connecting pieces is two or more, the plurality of transition connecting pieces are distributed along the axial direction of the first connecting rod body, and adjacent transition connecting pieces are connected by a transition connecting rod; the capping connecting rod comprises a cap and a second connecting rod body; the second connecting rod body is connected to the transition connecting piece on a side away from the rooting connecting rod; the present application adopts a method of mutual cooperation among the rooting connecting rod, the transition connecting piece and the capping connecting rod to realize the connection between the primary and secondary shielding layers in the storage tank container, so that the installation is faster and more convenient, the fixing form is more firm and stable, and when the primary and secondary shielding layers fail, they can be replaced more flexibly.

Description

Technical Field

[0001] The present invention relates to the technical field of storage tank containers, and in particular to a mounting structure, a storage tank container comprising the same, and a mounting method. Background Art

[0002] Cryogenic liquefied gas is a gas that is liquid due to low temperature, such as liquid nitrogen, liquid argon, liquefied natural gas (LNG), cryogenic liquefied hydrocarbons or mixtures and other similar media. It can be stored in a membrane tank composed of a membrane insulation system and a prestressed concrete or steel outer tank for storing cryogenic liquefied gas.

[0003] For a storage tank container with a double-layer insulation module, the components such as the main shielding film, the main insulation module, the secondary shielding film, the secondary insulation module and the prestressed concrete or steel outer tank are arranged in sequence from the inside to the outside. The main shielding film is a metal film that is in direct contact with the cryogenic liquefied gas stored; the main insulation module is located on the outside of the main shielding film, and the two are combined to form the main shielding layer; the secondary shielding film is a metal or composite film that is in contact with the cryogenic liquefied gas when the main shielding film leaks; the secondary insulation module is located on the outside of the secondary shielding film, and the two are combined to form the secondary shielding layer. Of course, for a storage tank container with more layers of insulation modules, a layer of shielding film needs to be set on the inner wall of each insulation module, and then the insulation module and the shielding film are combined to form a complete shielding layer.

[0004] Regarding the installation of the main shielding layer and the secondary shielding layer, or the installation of more shielding layers, the current prior art often uses door-type wedges to connect the layers, which has the following disadvantages: in application scenarios, when subjected to large external forces, the shielding film layer is easily damaged; when the cabin shrinks at low temperatures, the insulation module is easily crushed; installation is difficult and the installation efficiency is low. Especially in application scenarios, higher requirements are placed on the mechanical properties of the vessel wall. Therefore, the present invention provides a mounting structure and a storage tank container including the same, as well as an installation method, to solve the problems existing in the prior art. Summary of the invention

[0005] The purpose of the present invention is to provide a mounting structure, a storage tank container including the same, and an installation method, so as to solve the problems of poor connection stability and limited installation of the storage tank container in the prior art.

[0006] The technical solution of the present invention is: a mounting structure, comprising:

[0007] A rooting connecting rod, the rooting connecting rod comprising a root portion and a first connecting rod body;

[0008] At least one transition connector connected to the head of the first connecting rod body. When the number of the transition connectors is two or more, the plurality of transition connectors are distributed along the axis direction of the first connecting rod body, and adjacent transition connectors are connected by transition connectors.

[0009] A capping connecting rod, the capping connecting rod comprising a cap and a second connecting rod body; the second connecting rod body is connected to a transition connecting piece away from the rooting connecting rod;

[0010] Wherein, the first connecting rod body, the transition connecting rod, and the second connecting rod body respectively penetrate through different layers of insulating modules.

[0011] Preferably, the transition connector includes an anchor having a threaded connection sleeve, and the heads of the first connecting rod body and the second connecting rod body, and both ends of the transition connecting rod are respectively threaded and connected to the threaded connection sleeve on the corresponding side.

[0012] Preferably, the first connecting rod body, the second connecting rod body and the transition connecting rod all have a relative screw-in depth when screwed into the threaded connecting sleeve, and the sum of the corresponding relative screw-in depths at both ends of any threaded connecting sleeve is not greater than the axial length of the threaded connecting sleeve.

[0013] Preferably, the height of the threaded connection sleeve along the axial direction is greater than the thickness of the anchoring piece, and a plurality of stoppers are distributed around the outer wall of the threaded connection sleeve.

[0014] Preferably, the anchor, the threaded connection sleeve and the stopper are constructed as an integrated structure, the stopper is in a plate shape, and the end face of the stopper is perpendicular to the end face of the anchor.

[0015] Preferably, the anchor and the stopper are embedded in the insulation modules of different layers; and both side end surfaces of the anchor are respectively abutted against end surfaces of the insulation modules of different layers.

[0016] On the other hand, the present application provides a storage tank container, the storage tank container comprises multiple layers of insulation modules distributed sequentially from the outside to the inside, and the mounting structure; a shielding film is provided on the inner wall of each layer of the insulation module, and the mounting structure fixes and connects the multiple layers of the insulation modules;

[0017] The rooting connecting rod, transition connecting piece and capping connecting rod are distributed along the wall thickness direction of the storage tank container.

[0018] Preferably, the end surface of the insulating module has an accommodating space for the transition connector or the cover connecting rod to be screwed in and accommodated.

[0019] Preferably, the multi-layer insulation module comprises at least a secondary insulation module in an outer layer and a main insulation module in an inner layer;

[0020] The first connecting rod body passes through the secondary insulating module, and the second connecting rod body passes through the main insulating module.

[0021] The present application also provides a method for installing a storage tank container, and the installation method is mainly as follows:

[0022] S1. Rooting the rooting connecting rod on the inner wall of the outer tank;

[0023] S2, inserting the outer insulating module into the first connecting rod body of the rooting connecting rod, and the head of the first connecting rod body protrudes from the end surface of the insulating module;

[0024] S3, install the shielding film and weld or bond it;

[0025] S4, screwing the transition connector into the first connecting rod body;

[0026] S5. Continue to assemble the insulation module in the inner layer and screw in the capping connecting rod;

[0027] S6. Install the shielding film and weld or bond it.

[0028] Preferably, in step S5, when continuing to assemble the insulation module in the inner layer, if it is necessary to install another layer of insulation module, the insulation module is mounted on the transition connector, and the second connecting rod body is passed through the insulation module and screwed into the transition connector;

[0029] When two or more layers of insulation modules need to be installed, first screw the transition connecting rod onto the transition connecting piece, insert the insulation module onto the transition connecting rod, and when the last layer of insulation modules is installed, screw the second connecting rod body into the transition connecting piece.

[0030] Compared with the prior art, the advantages of the present invention are:

[0031] (1) The connection between the primary and secondary shielding layers in the tank container is realized by using the cooperation of the rooting connecting rod, the transition connecting piece and the capping connecting rod. The installation is faster and more convenient, the fixing form is more firm and stable, and when the primary and secondary shielding layers fail, they can be replaced more flexibly.

[0032] (2) The rooting connecting rod is rooted in the outer tank and is rigidly connected to the insulation module, which helps to stabilize the structure; and the first connecting rod body, the second connecting rod body and the transition connecting rod are all screwed and fixed to the transition connecting piece by threaded connection, which makes the installation extremely simple and quick.

[0033] (3) A stop plate is provided on the anchor to limit the relative movement between the insulation modules, thereby improving the structural stability; and by increasing the number of anchors, the connection and fixation of more layers of insulation modules can be achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] The present invention will be further described below in conjunction with the accompanying drawings and embodiments:

[0035] Figure 1 It is a schematic diagram of the local structure corresponding to the mounting structure of a storage tank container described in Example 1 of the present invention;

[0036] Figure 2 A cross-sectional view corresponding to the mounting structure of a storage tank container according to Embodiment 1 of the present invention;

[0037] Figure 3 This is a schematic diagram of the installation structure described in Example 1 of the present invention;

[0038] Figure 4 This is a schematic diagram of the installation structure described in Example 2 of the present invention;

[0039] Figure 5 This is a cross-sectional view corresponding to the mounting structure of a storage tank container described in Example 2 of the present invention.

[0040] Wherein: 1, rooting connecting rod, 11, root portion, 12, first connecting rod body;

[0041] 2. transition connector, 21. anchor, 22. threaded connection sleeve, 23. stopper, 24. transition connecting rod;

[0042] 3. capping connecting rod, 31. capping, 32. second connecting rod body;

[0043] 4. Insulation module, 41. Secondary insulation module, 42. Main insulation module, 43. Outer insulation module, 44. Middle insulation module, 45. Inner insulation module;

[0044] 5. Plywood, 6. Storage space. DETAILED DESCRIPTION

[0045] The present invention is further described in detail below in conjunction with specific embodiments:

[0046] Example 1

[0047] For ease of understanding, the application scenario of this embodiment is first explained. In the field of storage tank containers (also known as onshore membrane tanks), the basic structure generally includes an outer tank, a secondary shielding layer (secondary insulation module 41 + secondary shielding film), and a main shielding layer (main insulation module 42 + main shielding film) arranged in sequence from the outside to the inside. An installation structure is required between the secondary shielding layer and the main shielding layer for installation.

[0048] Therefore, in the present application in Example 1, Figure 1 , Figure 2 As shown, a storage tank container includes an outer tank, a secondary insulation module 41, a secondary shielding film, a main insulation module 42, and a main shielding film, which are arranged in sequence from the outside to the inside. The film layer is not shown in the figure; wherein the secondary insulation module 41 and the secondary shielding film form a secondary shielding layer, and the main insulation module 42 and the main shielding film form a main shielding layer; therefore, the storage tank container also includes a mounting structure for connecting the secondary shielding layer and the main shielding layer.

[0049] In an application scenario, plywood 5 may also be provided on both side end surfaces of the secondary insulation module 41 and / or the main insulation module 42 .

[0050] like Figure 3 As shown, the installation structure includes a rooting connecting rod 1, a transition connecting piece 2, and a capping connecting rod 3. The rooting connecting rod 1, the transition connecting piece 2 and the capping connecting rod 3 are distributed along the wall thickness direction of the storage tank container.

[0051] The rooting connecting rod 1 includes a root 11 and a first connecting rod body 12; when used, the rooting connecting rod 1 is rooted in the outer tank to form a stable connection structure. The axial direction of the first connecting rod body 12 is the wall thickness direction of the tank container, and the first connecting rod body 12 passes through the secondary insulating module 41. The head of the first connecting rod body 12 is threaded and protrudes from the end face of the secondary insulating module 41.

[0052] The transition connector 2 is connected to the head of the first connecting rod body 12, such as Figure 3 As shown, the transition connector 2 includes an anchor 21, and a threaded connection sleeve 22 is provided on the anchor 21. The height of the threaded connection sleeve 22 along the axial direction is greater than the thickness of the anchor 21, and a plurality of stoppers 23 are distributed on the outer wall circumference of the threaded connection sleeve 22. The anchor 21, the threaded connection sleeve 22 and the stopper 23 are constructed as an integral structure, and the stopper 23 is in a plate shape, and the end face of the stopper 23 is perpendicular to the end face of the anchor 21.

[0053] In this embodiment, a stop plate 23 is provided on the anchor 21, and the stop plate 23 forms a cross-shaped structure for limiting the relative movement between the insulation modules 4, thereby improving the structural stability.

[0054] Combination Figure 2 As shown, during installation, the head of the first connecting rod body 12 is connected to the threaded connecting sleeve 22. Since the rooting connecting rod 1 is fixed, the transition connecting piece 2 needs to be rotated to achieve the fixation of the transition connecting piece 2 and the rooting connecting rod 1.

[0055] In this embodiment, the anchor 21 and the stopper 23 are respectively embedded in the secondary insulation module 41 and the main insulation module 42; the end faces of the anchor 21 are respectively against the end faces of the secondary insulation module 41 and the main insulation module 42. Furthermore, a receiving space 6 for receiving the anchor 21 is provided on the end face of the secondary insulation module 41. When the anchor 21 adopts a square structure, in order to facilitate its rotation, the receiving space 6 needs to be set as a circular space. Of course, the anchor 21 can also be set in other shapes. The receiving space 6 only needs to meet the requirement that the anchor 21 can rotate around the axis of the first connecting rod body 12.

[0056] The cover link 3 includes a cover 31 and a second link body 32; the head of the second link body 32 is threaded and connected to the transition connector 2, limiting the main shielding layer between the anchor 21 and the cover 31; during installation, since the transition connector 2 is in a fixed state at this time, the cover link 3 needs to be rotated to achieve the connection and fixation between the two.

[0057] In this embodiment, an accommodating space 6 for accommodating the cover 31 is provided on the end surface of the main insulating module 42 , and the accommodating space 6 needs to allow the cover 31 to rotate around the axis of the first connecting rod body 12 / the second connecting rod body 32 .

[0058] Combination Figure 2 As shown, in the installation scenario, the secondary insulation module 41 and the main insulation module 42 are tightly connected, and the first connecting rod body 12 and the second connecting rod body 32 both have a relative screw-in depth into the threaded connecting sleeve 22, and the sum of the corresponding relative screw-in depths at both ends is not greater than the axial length of the threaded connecting sleeve 22, otherwise the tightness of the connection cannot be guaranteed.

[0059] In this embodiment, the rooting connecting rod 1, the transition connecting piece 2 and the covering connecting rod 3 cooperate with each other to realize the connection between the main and secondary shielding layers in the storage tank container. The installation is faster and more convenient, the fixing form is more firm and stable, and when the main and secondary shielding layers fail, they can be replaced more flexibly.

[0060] The specific installation method in this embodiment 1 is mainly as follows:

[0061] S1, rooting the rooting connecting rod 1 on the inner wall of the outer tank;

[0062] S2, insert the secondary insulating module 41 into the first connecting rod body 12 of the rooting connecting rod 1, and the head of the first connecting rod body 12 protrudes from the end surface of the secondary insulating module 41;

[0063] S3, installing the secondary shielding film and welding or gluing it to form a secondary shielding layer;

[0064] S4, screw the transition connector 2 onto the first connecting rod body 12, and the secondary insulating module 41 is now fixed;

[0065] S5, continue to assemble the main insulation module 42, put the main insulation module 42 on the transition connector 2, and screw the second connecting rod body 32 through the main insulation module 42 into the transition connector 2 to complete the installation of the cover connecting rod 3. At this time, the main insulation module 42 is fixed;

[0066] S6. Install the main shielding film and weld or bond it to form the main shielding layer; at this point, the installation of the storage tank container is completed.

[0067] Example 2

[0068] The application scenario of this embodiment is for a storage tank container with three layers of insulation modules. For a clear understanding, in this embodiment, each layer of insulation module is defined as an outer insulation module 43, a middle insulation module 44, and an inner insulation module 45. Figure 5 shown.

[0069] like Figure 4 , Figure 5 As shown, a mounting structure includes a rooting connecting rod 1, two transition connecting pieces 2, and a capping connecting rod 3. The difference between this embodiment and embodiment 1 is that the two transition connecting pieces 2 are distributed along the axial direction of the first connecting rod body 12, and the two transition connecting pieces 2 are connected by a transition connecting rod 24; the transition connecting rod 24 penetrates the middle insulating module 44, both ends are threaded, and are respectively connected to the transition connecting pieces 2 on the corresponding side, and the middle insulating module 44 is limited between the two transition connecting pieces 2.

[0070] In this embodiment, since the first connecting rod body 12, the second connecting rod body 32 and the transition connecting rod 24 all have relative screw-in depths screwed into the threaded connecting sleeve 22, the sum of the corresponding relative screw-in depths at both ends of any threaded connecting sleeve 22 is not greater than the axial length of the threaded connecting sleeve 22.

[0071] Of course, in other embodiments, for a storage tank container with more layers of insulation modules 4, more than two transition connectors 2 may be used, and the number of transition connectors 2 is always the number of insulation modules 4 minus one. In other words, by simply increasing the number of anchors 21 (transition connectors 2), more layers of insulation modules 4 can be connected and fixed, and the mounting structure itself is simple in form and very convenient to install.

[0072] The installation method in this embodiment 2 is mainly as follows:

[0073] S1, rooting the rooting connecting rod 1 on the inner wall of the outer tank;

[0074] S2, insert the outer insulating module 43 into the first connecting rod body 12 of the rooting connecting rod 1, and the head of the first connecting rod body 12 protrudes from the end surface of the outer insulating module 43;

[0075] S3, install the outer shielding film and weld or glue it;

[0076] S4, screw the transition connector 2 onto the first connecting rod body 12, and the outer insulating module 43 is now fixed;

[0077] S5, screw the transition connecting rod 24 into the transition connecting piece 2, insert the middle insulating module 44 into the transition connecting rod 24, and continue to screw in another transition connecting piece 2, thus completing the fixing of the middle insulating module 44;

[0078] S6. Install the middle shielding film and weld or bond it;

[0079] S7, the inner insulating module 45 is mounted on the transition connector 2, and the second connecting rod body 32 is passed through the inner insulating module 45 and screwed into the transition connector 2 to complete the installation of the cover connecting rod 3. At this time, the inner insulating module 45 is fixed;

[0080] S8. Install the outer shielding film and weld or bond it. Now, the installation of the storage tank container is completed.

[0081] In the above embodiment, the rooting connecting rod 1 is rooted in the outer tank and rigidly connected to the insulating module, which contributes to the stability of the structure; and the first connecting rod body 12, the second connecting rod body 32 and the transition connecting rod 24 are all screwed and fixed to the transition connecting piece 2 by threaded connection, which makes the installation extremely simple and quick, and has good application prospects.

[0082] The above embodiments are only for illustrating the technical concept and features of the present invention, and their purpose is to enable people familiar with this technology to understand the content of the present invention and implement it accordingly, and they cannot be used to limit the scope of protection of the present invention. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is limited by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims in the present invention.

Claims

1. A mounting structure, characterized in that: include: A rooting connecting rod (1), the rooting connecting rod (1) comprising a root portion (11) and a first connecting rod body (12); The number of transition connecting pieces (2) is two or more, connected to the head of the first connecting rod body (12), the plurality of transition connecting pieces (2) are distributed along the axial direction of the first connecting rod body (12), and adjacent transition connecting pieces (2) are connected by transition connecting rods (24); A capping connecting rod (3), the capping connecting rod (3) comprising a cap (31) and a second connecting rod body (32); the second connecting rod body (32) is connected to a transition connecting piece (2) at a side away from the rooting connecting rod (1); Wherein, the first connecting rod body (12), the transition connecting rod (24), and the second connecting rod body (32) respectively penetrate different layers of the insulating modules (4); The transition connector (2) comprises an anchor (21), the anchor (21) having a threaded connection sleeve (22), the first connecting rod body (12) and the head of the second connecting rod body (32), and both ends of the transition connecting rod (24) are respectively threaded and connected to the threaded connection sleeve (22) on the corresponding side; each of the threaded connection sleeves (22) is connected to two of the first connecting rod body (12), the transition connecting rod (24), and the second connecting rod body (32); The height of the threaded connection sleeve (22) along the axial direction is greater than the thickness of the anchor (21), and a plurality of stoppers (23) are distributed around the outer wall of the threaded connection sleeve (22); the anchor (21), the threaded connection sleeve (22) and the stopper (23) are constructed as an integral structure, the stopper (23) is plate-shaped, and the end face of the stopper (23) is perpendicular to the end face of the anchor (21); the anchor (21) and the stopper (23) are embedded in the insulating modules (4) of different layers; and the end faces of both sides of the anchor (21) are respectively abutted against the end faces of the insulating modules (4) of different layers.

2. The mounting structure according to claim 1, characterized in that: The first connecting rod body (12), the second connecting rod body (32) and the transition connecting rod (24) all have a relative screw-in depth when screwed into the threaded connection sleeve (22), and the sum of the corresponding relative screw-in depths at both ends of any threaded connection sleeve (22) is not greater than the axial length of the threaded connection sleeve (22).

3. A storage tank container, characterized in that: The storage tank container comprises multiple layers of insulation modules (4) distributed sequentially from the outside to the inside, and the mounting structure according to any one of claims 1 to 2; a shielding film is provided on the inner wall of each layer of the insulation module (4), and the mounting structure fixes and connects the multiple layers of the insulation modules (4); The rooting connecting rod (1), the transition connecting piece (2) and the capping connecting rod (3) are distributed along the wall thickness direction of the storage tank container.

4. A storage tank container according to claim 3, characterized in that: An accommodating space (6) is provided on the end surface of the insulating module (4), and the accommodating space (6) is used to accommodate the screwed-in transition connector (2) or the cover connecting rod (3).

5. A storage tank container according to claim 3, characterized in that: The multi-layer insulation module (4) comprises at least a secondary insulation module (41) in an outer layer and a main insulation module (42) in an inner layer; The first connecting rod body (12) passes through the secondary insulation module (41), and the second connecting rod body (32) passes through the main insulation module (42).

6. A method for installing a storage tank container, characterized in that: The installation is performed using the installation structure described in any one of claims 1 to 2, and the installation method is as follows: S1, rooting the rooting connecting rod (1) on the inner wall of the outer tank; S2, inserting the insulating module (4) in the outer layer onto the first connecting rod body (12) of the rooting connecting rod (1), with the head of the first connecting rod body (12) protruding from the end surface of the insulating module (4); S3, install the shielding film and weld or bond it; S4, screwing the transition connector (2) onto the first connecting rod body (12); S5, continue to assemble the insulating module (4) in the inner layer, and screw in the cover connecting rod (3); S6. Install the shielding film and weld or bond it; In step S5, when continuing to assemble the insulating module (4) in the inner layer, if it is necessary to continue to install a layer of insulating module (4), the insulating module (4) is mounted on the transition connector (2), and the second connecting rod body (32) passes through the insulating module (4) and is screwed into the transition connector (2); When it is necessary to continue installing two or more layers of insulation modules (4), first screw the transition connecting rod (24) onto the transition connecting piece (2), and insert the insulation module (4) onto the transition connecting rod (24), until the last layer of insulation modules (4) is installed, and then screw the second connecting rod body (32) into the transition connecting piece (2).

Images