A distribution structure of a membrane type cryogenic liquid tank based on a barrel-shaped structure

Abstract

The present invention discloses a distribution structure of a membrane type cryogenic liquid tank based on a barrel-shaped structure, comprising a barrel-shaped structure, wherein the interior of the barrel-shaped structure is a hollow structure, a central cabin is arranged in the hollow structure of the barrel-shaped structure, the hollow structure outside the central cabin is divided into a plurality of cryogenic liquid tanks, adjacent cryogenic liquid tanks are separated by a first cavity structure, a cryogenic liquid tank hatch is arranged in the cryogenic liquid tank, the cryogenic liquid tank and the cryogenic liquid tank hatch are distributed around the central cabin; the internal angle of the cryogenic liquid tank is 135 degrees or a combination of 135 degrees and 90 degrees. Under the premise that the membrane type liquid tank is a specific angle shape of 135 degrees and 90 degrees, the present invention efficiently utilizes the internal space of the barrel-shaped structure by arranging the cryogenic liquid tank in an annular manner around the central cabin.

Description

Technical Field

[0001] The present invention relates to the field of cryogenic liquid tanks, and in particular to a distribution structure of a membrane type cryogenic liquid tank based on a barrel-shaped structure. Background Art

[0002] At present, there are the following solutions for transporting or storing cryogenic liquids in floating structures on water, which use membrane cryogenic tanks (hereinafter referred to as cryogenic tanks) (see Figure 1 and Figure 2 ). At present, the cross-sectional shape of the membrane type cryogenic tank is a polygon with internal angles of 135 degrees and 90 degrees. Since the angle modules of the membrane type tank are designed and manufactured in a standardized manner, when designing and arranging the cryogenic tank, it is necessary to give priority to the specific angle shapes of 135 degrees and 90 degrees (hereinafter referred to as the specific internal angle shapes), otherwise it will increase the production time and cost of the membrane type cryogenic tank. Therefore, in the floating structure on the water in the form of ordinary ships, the internal angle structure of the cryogenic tank is as follows Figure 1 In the existing common ship-type floating structures, the overall layout of multiple cryogenic liquid tanks is a single-row longitudinal arrangement ( Figure 1 ) and double-row longitudinal arrangement ( Figure 2 ). Currently, there is no efficient overall arrangement solution for arranging a membrane type cryogenic liquid tank in a barrel-shaped structure in the industry. Summary of the invention

[0003] The purpose of the present invention is to provide a distribution structure of a membrane type cryogenic liquid tank based on a barrel-shaped structure in order to solve the problems existing in the prior art.

[0004] The technical problem solved by the present invention can be achieved by adopting the following technical solutions:

[0005] A distribution structure of a membrane-type cryogenic liquid tank based on a barrel-like structure, comprising a barrel-like structure, wherein the interior of the barrel-like structure is a hollow structure, a central cabin is arranged in the hollow structure of the barrel-like structure, the hollow structure outside the central cabin is divided into a plurality of cryogenic liquid tanks, adjacent cryogenic liquid tanks are separated by a first cavity structure, a cryogenic liquid tank hatch is arranged in the cryogenic liquid tank, and the cryogenic liquid tank and the cryogenic liquid tank hatch are distributed around the central cabin; the inner angle of the cryogenic liquid tank is 135 degrees or a combination of 135 degrees and 90 degrees.

[0006] Furthermore, the number of the cryogenic liquid tanks is four, the cross-section of the cryogenic liquid tank is an octagon, and the inner angle of the octagonal cryogenic liquid tank is 135 degrees.

[0007] Furthermore, the number of the cryogenic liquid tanks is four, and the cross-section of the cryogenic liquid tank is a heptagon or a hexagon. The heptagonal or hexagonal cryogenic liquid tank is formed by merging the sides of one side or both sides of the octagonal cryogenic liquid tank, and the internal angles of the heptagonal or hexagonal cryogenic liquid tank are 135 degrees and 90 degrees.

[0008] Furthermore, the number of the cryogenic liquid tanks is eight, the cross-section of the cryogenic liquid tank is a heptagon, and the internal angles of the heptagonal cryogenic liquid tank are 135 degrees and 90 degrees.

[0009] Furthermore, the number of the cryogenic liquid tanks is eight, the cross-section of the cryogenic liquid tank is a hexagon or a pentagon, the hexagonal or pentagonal cryogenic liquid tank is formed by merging the sides of one side or both sides of the heptagonal cryogenic liquid tank, and the internal angles of the hexagonal or pentagonal cryogenic liquid tank are 135 degrees and 90 degrees.

[0010] Furthermore, the cross-section of the barrel-shaped structure is a sealed cylindrical shell of any polygonal or circular shape.

[0011] Furthermore, the cross-section of the hollow structure is a polygonal sealed columnar shell.

[0012] Furthermore, the inner angle of the sealed columnar housing is 135 degrees.

[0013] Furthermore, the inner angles of the sealed columnar housing are 135 degrees and 90 degrees.

[0014] Furthermore, a second cavity structure is provided in the space between the outer shell and the hollow structure of the barrel-shaped structure.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] Under the premise that the membrane liquid tank is in a specific angle shape of 135 degrees and 90 degrees, the present invention efficiently utilizes the internal space of the barrel-shaped structure by arranging the low-temperature liquid tank in an annular manner around the central cabin. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic diagram of an existing membrane cryogenic liquid tank.

[0018] Figure 2 A schematic diagram of an existing membrane cryogenic liquid tank.

[0019] Figure 3 It is a schematic diagram of Example 1 of the cryogenic liquid tank of the present invention.

[0020] Figure 4 It is a schematic diagram of Example 2 of the cryogenic liquid tank of the present invention.

[0021] Figure 5This is a schematic diagram of Example 3 of the cryogenic liquid tank of the present invention.

[0022] Figure 6 It is a schematic diagram of Example 4 of the cryogenic liquid tank of the present invention. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0024] See also Figures 3 to 6 A distribution structure of a membrane-type cryogenic liquid tank based on a barrel-like structure, comprising a barrel-like structure 1, wherein the interior of the barrel-like structure 1 is a hollow structure, a central cabin 2 is arranged in the hollow structure of the barrel-like structure 1, the hollow structure outside the central cabin 2 is divided into a plurality of cryogenic liquid tanks 3, adjacent cryogenic liquid tanks 3 are separated by a first cavity structure 6, a cryogenic liquid tank hatch 4 is arranged in the cryogenic liquid tank 3, and the cryogenic liquid tank 3 and the cryogenic liquid tank hatch 4 are distributed around the central cabin 2; the inner angle of the cryogenic liquid tank 3 is 135 degrees or a combination of 135 degrees and 90 degrees.

[0025] Embodiment 1,

[0026] See also Figure 1 In this embodiment, the number of cryogenic liquid tanks 3 is four, the cross section of the cryogenic liquid tank 3 is an octagon, and the internal angle of the octagonal cryogenic liquid tank 3 is 135 degrees.

[0027] Example 2

[0028] See also Figure 4 In this embodiment, the number of cryogenic liquid tanks 3 is four, and the cross-section of the cryogenic liquid tank 3 is a heptagon or a hexagon. The heptagon or hexagonal cryogenic liquid tank 3 is formed by merging the sides of one side or both sides of the octagonal cryogenic liquid tank 3, and the internal angles of the heptagon or hexagonal cryogenic liquid tank 3 are 135 degrees and 90 degrees.

[0029] Example 3

[0030] See also Figure 5 In this embodiment, the number of cryogenic liquid tanks 3 is eight, the cross section of the cryogenic liquid tank 3 is a heptagon, and the internal angles of the heptagonal cryogenic liquid tank 3 are 135 degrees and 90 degrees.

[0031] Example 4

[0032] See also Figure 6 In this embodiment, the number of cryogenic liquid tanks 3 is eight, and the cross-section of the cryogenic liquid tank 3 is hexagonal or pentagonal. The hexagonal or pentagonal cryogenic liquid tank 3 is formed by merging the sides of one side or both sides of the heptagonal cryogenic liquid tank 3, and the internal angles of the hexagonal or pentagonal cryogenic liquid tank 3 are 135 degrees and 90 degrees.

[0033] In any of the above embodiments, the cross section of the barrel-shaped structure 1 is a sealed cylindrical shell of any polygonal or circular shape. The cross section of the hollow structure is a sealed cylindrical shell of a polygonal shape.

[0034] The inner angle of the sealed cylindrical housing is 135 degrees.

[0035] Or the inner angles of the sealed columnar housing are 135 degrees and 90 degrees.

[0036] A second cavity structure 5 is provided in the space between the outer shell and the hollow structure of the barrel-shaped structure 1 .

[0037] The present invention efficiently utilizes the internal space of the barrel-shaped structure 1 by arranging the cryogenic liquid tank 3 in an annular manner around the central chamber 2, so that the cryogenic liquid tank hatches 4 of the cryogenic liquid tank 3 can be centrally arranged and the interconnection of pipelines is more convenient.

[0038] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A distribution structure of a membrane-type cryogenic liquid tank based on a barrel-shaped structure, comprising a barrel-shaped structure (1), wherein the interior of the barrel-shaped structure (1) is a hollow structure, a central cabin (2) is arranged in the hollow structure of the barrel-shaped structure (1), the hollow structure outside the central cabin (2) is divided into a plurality of cryogenic liquid tanks (3), adjacent cryogenic liquid tanks (3) are separated by a first cavity structure (6), a cryogenic liquid tank hatch (4) is arranged in the cryogenic liquid tank (3), and the cryogenic liquid tank (3) and the cryogenic liquid tank hatch (4) are distributed around the central cabin (2); characterized in that: The inner angle of the cryogenic liquid tank (3) is 135 degrees or a combination of 135 degrees and 90 degrees.

2. The distribution structure of the membrane type cryogenic liquid tank based on the barrel-shaped structure according to claim 1 is characterized in that: The number of the cryogenic liquid tanks (3) is four, the cross section of the cryogenic liquid tank (3) is an octagon, and the internal angle of the octagonal cryogenic liquid tank (3) is 135 degrees.

3. The distribution structure of the membrane type cryogenic liquid tank based on the barrel-shaped structure according to claim 2 is characterized in that: The number of the cryogenic liquid tanks (3) is four, and the cross-section of the cryogenic liquid tank (3) is a heptagon or a hexagon. The heptagon or hexagon cryogenic liquid tank (3) is formed by merging the sides of one side or both sides of the octagonal cryogenic liquid tank (3), and the internal angles of the heptagon or hexagon cryogenic liquid tank (3) are 135 degrees and 90 degrees.

4. The distribution structure of the membrane type cryogenic liquid tank based on the barrel structure according to claim 1 is characterized in that: The number of the cryogenic liquid tanks (3) is eight, the cross section of the cryogenic liquid tank (3) is a heptagon, and the internal angles of the heptagonal cryogenic liquid tank (3) are 135 degrees and 90 degrees.

5. The distribution structure of the membrane type cryogenic liquid tank based on the barrel structure according to claim 4 is characterized in that: The number of the cryogenic liquid tanks (3) is eight, and the cross-section of the cryogenic liquid tanks (3) is hexagonal or pentagonal. The hexagonal or pentagonal cryogenic liquid tanks (3) are formed by merging the sides of one side or both sides of the heptagonal cryogenic liquid tanks (3). The internal angles of the hexagonal or pentagonal cryogenic liquid tanks (3) are 135 degrees and 90 degrees.

6. The distribution structure of the membrane type cryogenic liquid tank based on the barrel-shaped structure according to any one of claims 1 to 5, characterized in that: The barrel-shaped structure (1) has a circular sealed columnar shell in cross section.

7. The distribution structure of the membrane type cryogenic liquid tank based on the barrel structure according to any one of claims 1 to 5, characterized in that: The cross section of the hollow structure is a polygonal sealed columnar shell.

8. The distribution structure of the membrane type cryogenic liquid tank based on the barrel structure according to claim 7 is characterized in that: The inner angle of the sealed cylindrical housing is 135 degrees.

9. The distribution structure of the membrane type cryogenic liquid tank based on the barrel structure according to claim 7 is characterized in that: The inner angles of the sealed cylindrical housing are 135 degrees and 90 degrees.

10. The distribution structure of the membrane type cryogenic liquid tank based on the barrel structure according to any one of claims 1 to 5, characterized in that: A second cavity structure (5) is provided in the space between the outer shell and the hollow structure of the barrel-shaped structure (1).

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