Protective layer and storage container

Abstract

The utility model discloses a protective layer and a storage container, the protective layer is square, the protective layer comprises: a thermal insulation layer, the thermal insulation layer comprises square plywood and polyurethane sandwiched between the two square plywood; the first shielding layer is arranged on the side, facing the interior of the tank, of the heat preservation layer, corrugated parts are arranged on the first shielding layer in a protruding mode, the first shielding layer is divided into a plurality of containing areas through the corrugated parts, and partition layers are arranged in the containing areas; a corrugated part is arranged on the first shielding layer in a protruding mode, and the second shielding layer is arranged on the side, facing the interior of the tank, of the first shielding layer through the connecting interlayer. Therefore, the low-temperature liquefied gas storage tank is provided with the double shielding layers, the sealing performance is high, the heat preservation performance is good, in addition, when the second shielding layer is damaged, the first shielding layer can play a role in sealing and leakage prevention, the plywood is arranged between the first shielding layer and the second shielding layer to replace an insulation module, and manufacturing and installation are easy.

Description

Technical Field

[0001] The utility model relates to the technical field of storage tank containers, in particular to a protective layer and a storage container. Background Art

[0002] In relevant cryogenic storage tanks, due to the large temperature difference between the inside and outside of the cryogenic storage tank, an insulation layer and a shielding layer need to be set inside the tank to protect and seal the cryogenic liquefied gas in the tank container. For large storage tanks, the inside of the tank is usually made up of multiple insulation layers and shielding layers. Under the force of low-temperature shrinkage, the shielding layer may be torn and broken due to the shrinkage force, which may cause gas leakage in the storage tank.

[0003] Therefore, it is necessary to provide a protective layer and a storage container to at least partially solve the above problems. Utility Model Content

[0004] The utility model aims to provide a protective layer and a storage container. Thus, the protective layer is provided with a double shielding layer to enhance the sealing performance of the storage tank, and a partition is provided between the first shielding layer and the second shielding layer through a placement area to simplify the structure and facilitate installation.

[0005] According to one aspect of the utility model, a protective layer is provided, the protective layer is square, and the protective layer comprises:

[0006] A heat-insulating layer, the heat-insulating layer comprising square plywood and polyurethane sandwiched between two square plywoods;

[0007] A first shielding layer, the first shielding layer is arranged on the side of the heat-insulating layer facing the inside of the tank, a corrugated portion is convexly provided on the first shielding layer, the corrugated portion divides the first shielding layer into a plurality of placement areas, and the placement areas are provided with partitions;

[0008] A second shielding layer, wherein a corrugated portion is protruded from the second shielding layer, and the second shielding layer is arranged on the side of the first shielding layer facing the inside of the tank through a connecting spacer.

[0009] In some embodiments, the thermal insulation layer is square in shape, and a reinforcing member is disposed at a square corner area of ​​the thermal insulation layer. The reinforcing member passes through the thermal insulation layer and is fixed to the square plywood.

[0010] In some embodiments, the thermal insulation layer includes a first thermal insulation layer and a second thermal insulation layer, and the first thermal insulation layer and the second thermal insulation layer are stacked relative to the installation surface.

[0011] In certain embodiments, the first insulation layer is located at a side close to the inside of the tank, the first insulation layer is in a square shape, and reinforcement members are provided between the square plywood sheets at the square corners of the first insulation layer.

[0012] In some embodiments, the first insulation layer is located on a side close to the inside of the tank, the second insulation layer is in a square shape, and reinforcement members are provided between the square plywood sheets at the square corners of the second insulation layer.

[0013] In some embodiments, a central reinforcement member is provided between the square plywood panels at the center of the first insulation layer or the second insulation layer provided with the reinforcement member.

[0014] In certain embodiments, the reinforcement member is a glued block.

[0015] In certain embodiments, the glue block is glued to the square plywood and the polyurethane.

[0016] According to another aspect of the utility model, a storage container is also provided, which is used for land tanks or marine equipment, and is used to store cryogenic liquefied gas. The storage container comprises an outer tank and any one of the protective layers described above, and a plurality of the protective layers are spliced ​​to form an inner tank of the storage container.

[0017] In summary, the utility model has the following beneficial effects due to the adoption of the above technical solution:

[0018] The protective layer is set up with double shielding layers to enhance the sealing of the storage tank. A partition is set between the first shielding layer and the second shielding layer through the placement area to simplify the structure and facilitate installation.

[0019] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0021] Figure 1 It is a simplified schematic diagram of a storage container according to an embodiment of the utility model;

[0022] Figure 2 It is a schematic structural diagram of a protective layer in an embodiment of the utility model;

[0023] Figure 3 yes Figure 2 A magnified schematic diagram of part A;

[0024] Figure 4 It is a structural schematic diagram of another protective layer in an embodiment of the utility model;

[0025] Figure 5It is a structural schematic diagram of another protective layer in an embodiment of the utility model;

[0026] Figure 6 It is a schematic structural diagram of another protective layer in an embodiment of the utility model;

[0027] Figure 7 yes Figure 6 A magnified schematic diagram of part B;

[0028] Figure 8 It is a schematic diagram of the structure of a first thermal insulation layer or a second thermal insulation layer provided with a reinforcement.

[0029] Figure numbers: protective layer 10, insulation layer 12, square plywood 14, polyurethane 16, first shielding layer 18, corrugated portion 20, placement area 22, partition 24, second shielding layer 26, square corner area 28, reinforcement 30, first insulation layer 32, second insulation layer 34, reinforcement 36, outer tank 38, central reinforcement 40, storage container 100. DETAILED DESCRIPTION

[0030] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0031] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In the description of the present utility model, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0032] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection. It can be a mechanical connection or an electrical connection. It can be directly connected or indirectly connected through an intermediate medium. It can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0033] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0034] The disclosure herein provides many different embodiments or examples for realizing different structures of the utility model. In order to simplify the disclosure of the utility model, the components and settings of specific examples are described herein. Of course, they are merely examples, and the purpose is not to limit the utility model. In addition, the utility model may repeat reference numbers and / or reference letters in different examples, and such repetition is for the purpose of simplification and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed. In addition, the utility model provides various specific examples of processes and materials, but those of ordinary skill in the art may be aware of the application of other processes and / or the use of other materials.

[0035] See also Figure 1 The protective layer 10 in the present application is used for a storage container 100, which includes an inner tank and an outer tank 38. The protective layer 10 is used to form the inner tank of the storage container 100, which plays a role in heat preservation and sealing. The storage container 100 is used for land tanks or marine equipment. The storage container 100 is used to store low-temperature liquefied gas. The storage container 100 includes an outer tank 38 and a protective layer 10. Multiple protective layers 10 are spliced ​​to form the inner tank of the storage container 100.

[0036] See also Figures 1 to 8According to one aspect of the utility model, a protective layer 10 is provided, which is square in shape, wherein the protective layer 10 comprises a heat-insulating layer 12, a first shielding layer 18 and a second shielding layer 26, wherein the heat-insulating layer 12 comprises a square plywood 14 and a polyurethane 16 sandwiched between two square plywoods 14; the first shielding layer 18 is arranged on the side of the heat-insulating layer 12 facing the inside of the container, and a corrugated portion 20 is convexly provided on the first shielding layer 18, and the corrugated portion 20 divides the first shielding layer 18 into a plurality of placement areas 22, and a partition layer 24 is provided in the placement area 22; the second shielding layer 26 is convexly provided with a corrugated portion 20, and the second shielding layer 26 is arranged on the side of the first shielding layer 18 facing the inside of the container through the connecting partition layer 24.

[0037] Specifically, see Figures 1 to 8 The protective layer 10 includes an insulation layer 12, a first shielding layer 18 and a second shielding layer 26. The insulation layer 12 includes a square plywood 14 and a polyurethane 16 sandwiched by two square plywoods 14, also known as an insulation box, which is often used in the insulation module setting in the inner tank of a low-temperature storage tank to maintain the low-temperature environment in the tank. The first shielding layer 18 and the second shielding layer 26 are arranged on the side of the insulation layer 12 facing the inside of the tank. The first shielding layer 18 and the second shielding layer 26 are used to seal the storage container 100 to prevent the leakage of the low-temperature liquefied gas therein. The first shielding layer 18 and the second shielding layer 26 have the same shape. The first shielding layer 18 is convexly provided with a corrugated portion 20. The corrugated portion 20 divides the first shielding layer 18 into a plurality of placement areas 22. The placement area 22 is used to place the partition 24. The second shielding layer 26 is arranged on the side of the first shielding layer 18 facing the inside of the container by connecting the partition 24. In some embodiments, the partition 24 is made of plywood, which can save materials and facilitate the fixation of the two.

[0038] In some embodiments, the insulation layer 12 is square in shape, and a reinforcement member 30 is disposed at a square corner region 28 of the insulation layer 12 . The reinforcement member 30 passes through the insulation layer 12 and is fixed to the square plywood 14 .

[0039] Specifically, see Figure 1 The insulation layer 12 is square, and the square insulation layer 12 has four square corner areas 28. In some embodiments, the square corner areas 28 are provided with reinforcement members 30, which penetrate the insulation layer 12 and are fixed to the square plywood 14. In this way, the stability of the corner areas of the insulation layer 12 can be enhanced.

[0040] In actual applications, the square-shaped insulation layer 12 is often damaged by pressure, and the square corner area 28 of the insulation layer 12 is the most susceptible to damage because it is subjected to the greatest force. In the present invention, a reinforcement member 30 is provided in the square corner area 28 to increase the stability of the square corner area 28. In some embodiments, the reinforcement member 30 can be a threaded screw that passes through the insulation layer 12, and nuts are used to fix the screw and the insulation layer 12 at the square plywood 14 on both sides of the insulation layer 12.

[0041] In some embodiments, the insulation layer 12 includes a first insulation layer 32 and a second insulation layer 34 , and the first insulation layer 32 and the second insulation layer 34 are stacked relative to the installation surface.

[0042] Specifically, see Figure 2 The insulation layer 12 is arranged in layers, including a first insulation layer 32 and a second insulation layer 34, which can further enhance the stability of the insulation layer 12, wherein the installation surface is the wall of the storage tank.

[0043] In certain embodiments, the first insulation layer 32 is located at a side close to the inside of the tank, and the first insulation layer 32 is square in shape. A reinforcement member 36 is disposed between the square plywood boards 14 at the square corner area 28 of the first insulation layer 32 .

[0044] Specifically, see Figure 3 Disposing a reinforcing member 36 in the square corner area 28 of the first thermal insulation layer 32 can enhance the stability of the first thermal insulation layer 32 , thereby improving the overall stability of the thermal insulation layer 12 .

[0045] In some embodiments, the first insulation layer 32 is located at a side close to the inside of the tank, and the second insulation layer 34 is square-shaped. The second insulation layer 34 is provided with reinforcement members 36 between the square plywood boards 14 at the square corner areas 28 .

[0046] Specifically, see Figure 4 Disposing a reinforcing member 36 in the square corner area 28 of the second thermal insulation layer 34 can enhance the stability of the second thermal insulation layer 34 , thereby improving the overall stability of the thermal insulation layer 12 .

[0047] In certain embodiments, a central reinforcement member 40 is provided between the square plywood boards 14 at the center of the first insulation layer 32 or the second insulation layer 34 where the reinforcement member 36 is provided.

[0048] Specifically, see Figure 8 A central reinforcement member 40 is provided between the square plywood boards 14 at the center of the first insulation layer 32 or the second insulation layer 34 provided with the reinforcement member 36 , which can further increase the stability of the insulation layer 12 .

[0049] In certain embodiments, the reinforcement member 36 is a glued block.

[0050] Specifically, the reinforcement 36 uses a glued block, that is, at the square corner area 28 , a portion of the polyurethane 16 is replaced by a glued block. The strength of the glued block is higher than that of the polyurethane 16 , so that the stability of the insulation layer 12 is improved.

[0051] In some embodiments, the glue blocks are secured to the square plywood 14 with polyurethane glue.

[0052] According to another aspect of the present invention, a storage container 100 is provided. Figure 1 The storage container 100 is used for land tanks or marine equipment. The storage container 100 is used to store cryogenic liquefied gas. The storage container 100 includes an outer tank 38 and any of the above-mentioned protective layers 10. Multiple protective layers 10 are spliced ​​to form an inner tank of the storage container 100.

[0053] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with the embodiments or examples are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0054] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate 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 claims and their equivalents.

Claims

1. A protective layer, characterized in that: The protective layer is square in shape and comprises: A heat-insulating layer, the heat-insulating layer comprising square plywood and polyurethane sandwiched between two square plywoods; A first shielding layer, the first shielding layer is arranged on the side of the heat-insulating layer facing the inside of the tank, a corrugated portion is convexly provided on the first shielding layer, the corrugated portion divides the first shielding layer into a plurality of placement areas, and the placement areas are provided with partitions; A second shielding layer, wherein a corrugated portion is protruding from the second shielding layer, and the second shielding layer is arranged on a side of the first shielding layer facing the inside of the tank by connecting the partition layer.

2. The protective layer according to claim 1, characterized in that: The heat-insulating layer is in a square shape, and a reinforcing piece is arranged at a square corner area of ​​the heat-insulating layer. The reinforcing piece passes through the heat-insulating layer and is fixed on the square plywood.

3. The protective layer according to claim 1, characterized in that: The thermal insulation layer comprises a first thermal insulation layer and a second thermal insulation layer, and the first thermal insulation layer and the second thermal insulation layer are stacked relative to the installation surface.

4. The protective layer according to claim 3, characterized in that: The first thermal insulation layer is located at a side close to the inside of the tank, the first thermal insulation layer is in a square shape, and reinforcement members are arranged between the square plywood sheets at the square corner areas of the first thermal insulation layer.

5. The protective layer according to claim 3, characterized in that: The first thermal insulation layer is located at a side close to the inside of the tank, the second thermal insulation layer is in a square shape, and reinforcement members are arranged between the square plywood sheets at the square corner areas of the second thermal insulation layer.

6. The protective layer according to any one of claims 4 or 5, characterized in that: A central reinforcement is provided between the square plywood sheets at the center of the first thermal insulation layer or the second thermal insulation layer provided with reinforcements.

7. The protective layer according to claim 6, characterized in that: The reinforcement member is a glued block.

8. The protective layer according to claim 7, characterized in that: The glued block is glued and fixed to the square plywood and the polyurethane.

9. A storage container, characterized in that: The storage container is used for land tanks or marine equipment. The storage container is used to store cryogenic liquefied gas. The storage container comprises an outer tank and the protective layer according to any one of claims 1 to 8. A plurality of the protective layers are spliced ​​to form an inner tank of the storage container.

Images