阅读说明：本技术 Lng储存罐及lng储存罐组合设备 (LNG storage tank and LNG storage tank combination equipment ) 是由 陆利平 赵文斌 芮烜 郑祖中 叶旭 马亚成 吴定凡 马晓宇 陈海林 于 2021-01-15 设计创作，主要内容包括：本发明提供了一种LNG储存罐及LNG储存罐组合设备,涉及液化天然气存储技术领域,本发明提供的LNG储存罐,包括：罐体和箍型架；罐体包括：第一侧壁、第二侧壁、第三侧壁和第四侧壁,第一侧壁、第二侧壁、第三侧壁和第四侧壁依次连接并共同围设形成立方体的存储腔；箍型架安装在存储腔内,且箍型架的四边一一对应地抵接于第一侧壁、第二侧壁、第三侧壁和第四侧壁。本发明提供的LNG储存罐,可以提高空间利用率和结构强度。(The invention provides an LNG storage tank and LNG storage tank combination equipment, and relates to the technical field of liquefied natural gas storage, and the LNG storage tank provided by the invention comprises: a tank body and a hoop frame; the jar body includes: the storage cavity comprises a first side wall, a second side wall, a third side wall and a fourth side wall, wherein the first side wall, the second side wall, the third side wall and the fourth side wall are sequentially connected and jointly enclose a cubic storage cavity; the hoop-shaped frame is installed in the storage cavity, and four sides of the hoop-shaped frame are correspondingly abutted to the first side wall, the second side wall, the third side wall and the fourth side wall one by one. The LNG storage tank provided by the invention can improve the space utilization rate and the structural strength.)

1. An LNG storage tank, comprising: a tank body (100) and a hoop frame (200);

the tank body (100) includes: the storage cavity comprises a first side wall (110), a second side wall (120), a third side wall (130) and a fourth side wall (140), wherein the first side wall (110), the second side wall (120), the third side wall (130) and the fourth side wall (140) are sequentially connected and jointly enclose a cubic storage cavity (101);

the hoop frames (200) are installed in the storage chamber (101), and four sides of the hoop frames (200) are abutted against the first side wall (110), the second side wall (120), the third side wall (130) and the fourth side wall (140) in a one-to-one correspondence.

2. LNG storage tank according to claim 1, characterized in that the storage chamber (101) extends along an x-axis, that a plurality of hoop frames (200) are arranged at intervals along the x-axis, and that the plurality of hoop frames (200) are all perpendicular to the x-axis.

3. LNG storage tank according to claim 2, characterized in that the storage chamber (101) is capped at one end with a first end cap (300) and the storage chamber (101) is capped at the other end with a second end cap (400).

4. LNG storage tank according to claim 3, characterized in that a tension rod (600) is connected between the first end cap (300) and the second end cap (400).

5. LNG storage tank according to claim 4, characterized in that a stiffening rib (500) is connected to the first end cap (300) and the second end cap (400), respectively.

6. LNG storage tank according to claim 4, characterized in that the tension rod (600) is provided with a transition (610) at each end.

7. LNG storage tank according to claim 4, characterized in that the tension rods (600) are circular or cross-shaped in cross-section perpendicular to the x-axis.

8. LNG storage tank according to claim 1, characterized in that the hoop frame (200) comprises an annular structure and that the hoop frame (200) is provided with an inner bore (201).

9. The LNG storage tank of claim 1, wherein the storage chamber (101) has a sloshing structure (700) installed therein, the sloshing structure (700) being spaced apart from the hoop frame (200).

10. An LNG storage tank combination, comprising: frame (800) and LNG storage tank according to any of claims 1-9, a plurality of said LNG storage tanks being arranged at intervals and being mounted to said frame (800) respectively.

Technical Field

The invention relates to the technical field of liquefied natural gas storage, in particular to an LNG storage tank and LNG storage tank combination equipment.

Background

A conventional LNG tank (liquefied natural gas tank) is generally shaped as a sphere or a cylinder because of high internal pressure and thin side walls. However, the spherical or cylindrical can body has a technical problem of low space utilization. Because the storage liquefied natural gas has higher requirement on the structural strength of the tank body, but the structural strength of the cubic tank body is weaker, the cubic tank body has higher space utilization rate, but is difficult to be suitable for storing the liquefied natural gas.

Disclosure of Invention

The invention aims to provide an LNG storage tank and LNG storage tank combination equipment, which can improve the space utilization rate and the structural strength.

In a first aspect, the present invention provides an LNG storage tank comprising: a tank body and a hoop frame;

the jar body includes: the storage device comprises a first side wall, a second side wall, a third side wall and a fourth side wall, wherein the first side wall, the second side wall, the third side wall and the fourth side wall are sequentially connected and jointly enclose a cubic storage cavity;

the hoop-shaped frame is installed in the storage cavity, and four sides of the hoop-shaped frame are correspondingly abutted to the first side wall, the second side wall, the third side wall and the fourth side wall one by one.

With reference to the first aspect, the present invention provides a first possible implementation manner of the first aspect, wherein the storage chamber extends along an x-axis, a plurality of the hoop frames are arranged at intervals along the x-axis, and the plurality of the hoop frames are all perpendicular to the x-axis.

In combination with the first possible implementation manner of the first aspect, the invention provides a second possible implementation manner of the first aspect, wherein one end of the storage cavity is covered with a first end cover, and the other end of the storage cavity is covered with a second end cover.

In combination with the second possible implementation manner of the first aspect, the present invention provides a third possible implementation manner of the first aspect, wherein a tension rod is connected between the first end cover and the second end cover.

In combination with the third possible implementation manner of the first aspect, the present invention provides a fourth possible implementation manner of the first aspect, wherein reinforcing ribs are respectively connected to the first end cover and the second end cover.

In combination with the third possible implementation manner of the first aspect, the present invention provides a fifth possible implementation manner of the first aspect, wherein transition portions are respectively provided at two ends of the tension rod.

In combination with the third possible implementation form of the first aspect, the present invention provides a sixth possible implementation form of the first aspect, wherein the section of the tension rod perpendicular to the x-axis is circular or cross-shaped.

With reference to the first aspect, the present disclosure provides a seventh possible implementation manner of the first aspect, wherein the hoop fixture comprises an annular structure, and the hoop fixture is provided with an inner hole.

With reference to the first aspect, the present invention provides an eighth possible implementation manner of the first aspect, wherein a swinging structure is installed in the storage cavity, and the swinging structure is spaced apart from the hoop frame.

In a second aspect, the present invention provides an LNG storage tank combination comprising: the frame and the LNG storage tank that the first aspect provided, a plurality of the LNG storage tank interval sets up, and install respectively in the frame.

The embodiment of the invention has the following beneficial effects: adopt first lateral wall, the second lateral wall, third lateral wall and fourth lateral wall to connect gradually and enclose jointly and establish the storage chamber that forms the cube, hoop type frame is installed in the storage chamber, and the four sides butt of hoop type frame one-to-one in first lateral wall, the second lateral wall, third lateral wall and fourth lateral wall, enclose through first lateral wall, the second lateral wall, the storage chamber of establishing formation cube is established to third lateral wall and fourth lateral wall, thereby the space utilization of the jar body has been improved, and the structural strength of the jar body has been improved to support through hoop type frame.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention or related technologies, the drawings used in the description of the embodiments or related technologies will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a first schematic diagram of an LNG storage tank according to an embodiment of the present invention;

fig. 2 is a schematic diagram of a second LNG storage tank according to an embodiment of the present invention;

fig. 3 is a first cross-sectional view of a tension rod and a hoop frame of an LNG storage tank according to an embodiment of the present invention;

fig. 4 is a second cross-sectional view of a hoop frame and a tension bar of an LNG storage tank according to an embodiment of the present invention;

fig. 5 is a schematic diagram of an LNG storage tank assembly according to an embodiment of the present invention.

Icon: 100-tank body; 101-a storage chamber; 110-a first side wall; 120-a second sidewall; 130-a third side wall; 140-a fourth side wall; 200-hoop form work; 201-inner hole; 300-a first end cap; 400-a second end cap; 500-reinforcing ribs; 600-tension bar; 610-a transition; 700-oscillation making structure parts; 800-framework.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The term "physical quantity" in the formula, unless otherwise noted, is understood to mean a basic quantity of a basic unit of international system of units, or a derived quantity derived from a basic quantity by a mathematical operation such as multiplication, division, differentiation, or integration.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example one

As shown in fig. 1, 2, 3 and 4, an LNG storage tank according to an embodiment of the present invention includes: a can body 100 and a hoop frame 200;

the can 100 includes: the storage cavity comprises a first side wall 110, a second side wall 120, a third side wall 130 and a fourth side wall 140, wherein the first side wall 110, the second side wall 120, the third side wall 130 and the fourth side wall 140 are sequentially connected and jointly enclose the storage cavity 101 which is formed into a cube;

the hoop frames 200 are installed in the storage chamber 101, and four sides of the hoop frames 200 abut against the first, second, third, and fourth sidewalls 110, 120, 130, and 140 in a one-to-one correspondence.

Specifically, the tank body 100 is configured as a cubic tank, so that the possibility of the external shape of the LNG tank is expanded, and the space utilization rate of the LNG tank is improved. The hoop fixture 200 is supported on the inner sidewall of the storage chamber 101, and the first, second, third and fourth sidewalls 110, 120, 130 and 140 abut against the hoop fixture 200, respectively, thereby improving the structural strength of the can body 100 by the hoop fixture 200.

As shown in fig. 1 and 2, in the embodiment of the present invention, the storage chamber 101 extends along the x-axis, a plurality of hoop frames 200 are arranged at intervals along the x-axis, and the plurality of hoop frames 200 are all perpendicular to the x-axis.

Specifically, the storage chamber 101 is rectangular in cross section perpendicular to the x-axis, the storage chamber 101 extends along the x-axis, and the plurality of hoop frames 200 are arranged at intervals along the x-axis and supported inside the storage chamber 101 through the plurality of hoop frames 200, thereby improving the structural strength of the can body 100.

Further, one end of the storage chamber 101 is capped with a first end cap 300, and the other end of the storage chamber 101 is capped with a second end cap 400.

Specifically, two ends of the storage cavity 101 are respectively provided with an opening, the first end cover 300 covers one end of the storage cavity 101, the second end cover 400 covers the other end of the storage cavity 101, and the openings of the storage cavity 101 are sealed and blocked by the first end cover 300 and the second end cover 400 together.

Further, a tension bar 600 is connected between the first end cap 300 and the second end cap 400.

Specifically, one end of the tension rod 600 is connected to the first end cap 300, the other end of the tension rod 600 is connected to the second end cap 400, and both the first end cap 300 and the second end cap 400 are under the tensile force of the tension rod 600, so that the can body 100 is clamped between the first end cap 300 and the second end cap 400, and the first end cap 300 and the second end cap 400 are tightly fitted to the can body 100, respectively.

As shown in fig. 1, the first and second end caps 300 and 400 are respectively connected with reinforcing ribs 500. The first and second end caps 300 and 400 respectively improve structural strength by the reinforcing ribs 500.

Further, transition portions 610 are respectively disposed at both ends of the tension rod 600.

Specifically, from the end far away from the end cover to the end connected with the end cover, the radial size of the transition portion 610 increases, and the transition portion 610 is connected with the end cover, so that the contact area between the transition portion 610 and the end cover is increased.

As shown in fig. 1, 3 and 4, the tension bar 600 has a circular or cross-shaped cross-section perpendicular to the x-axis.

Specifically, the plurality of tension rods 600 are arranged at intervals in the cross section perpendicular to the x-axis, and are connected between the first end cap 300 and the second end cap 400 through the plurality of tension rods 600, and the tension rods 600 have a tendency to pull the first end cap 300 and the second end cap 400 to approach each other, so as to ensure that the first end cap 300 and the second end cap 400 are tightly fitted to the tank 100, respectively.

Further, the hoop fixture 200 comprises an annular structure, and the hoop fixture 200 is provided with an inner bore 201.

Specifically, a separation chamber is formed between any two hoop frames 200, the adjacent two separation chambers are communicated through an inner hole 201, the expansion plane of the hoop frame 200 is perpendicular to the x-axis, and the tank body 100 is supported on the plane perpendicular to the x-axis by the hoop frame 200, thereby improving the structural strength of the LNG storage tank.

As shown in fig. 1 and 2, the storage chamber 101 is installed with a sloshing structure 700, and the sloshing structure 700 is spaced apart from the hoop frame 200. The oscillation suppressing structure 700 is installed in the storage chamber 101, and the oscillation suppressing effect is generated on the liquefied natural gas in the storage chamber 101 by the oscillation suppressing structure 700.

Example two

As shown in fig. 1 and 5, an LNG storage tank combination according to an embodiment of the present invention includes: the method comprises the following steps: in the frame 800 and the LNG storage tanks provided in the first embodiment, a plurality of LNG storage tanks are disposed at intervals and are respectively installed on the frame 800.

Specifically, two adjacent LNG holding vessel adopt nonwatertight form, and a plurality of LNG holding vessel all extend along the x axle, and a plurality of LNG holding vessel connect respectively in frame 800 to form integrated configuration, and then improved a plurality of LNG holding vessel's space utilization.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.