CN218441797U

CN218441797U - High security LNG storage and transportation tank

Info

Publication number: CN218441797U
Application number: CN202222392054.XU
Authority: CN
Inventors: 张秀秀; 黄邦勇; 侯峰涛; 闫安; 段璟露; 黄建; 赵紫光; 张新河; 韦姗姗
Original assignee: Xuefeng Innovation Beijing Technology Co ltd
Current assignee: XINJIANG XUEFENG TECHNOLOGY (GROUP) CO LTD
Priority date: 2022-09-08
Filing date: 2022-09-08
Publication date: 2023-02-03
Anticipated expiration: 2032-09-08

Abstract

The utility model relates to the technical field of LNG storage and transportation tanks, in particular to a high-safety LNG storage and transportation tank, which comprises a tank body, wherein both sides of the top of the tank body are communicated with a filling port and a discharge port, the inside of the tank body is fixedly connected with a first isolation plate and a second isolation plate, a transversely arranged fixed frame is fixedly connected above the first isolation plate and the second isolation plate, the top of the fixed frame is communicated with a bent pipe, the other end of the bent pipe is fixedly connected with a delivery pipe, and the outer side of the delivery pipe is communicated with a filtering component; the utility model discloses, divide into two cavities with the jar body through first division board and second division board, when the pressure of LNG warehousing and transportation intracavity portion reachd the criticality, the guiding hole in its sliding frame outside aligns with drainage tube one end, the gaseous drainage tube entering of LNG warehousing and transportation intracavity portion is released the pressure chamber, this kind of setting is decompressed LNG warehousing and transportation intracavity portion, the combustion gas can be in the intracavity portion of releasing the pressure and collect, when avoiding the wasting of resources, can not cause the pollution and cause the injury to the human body to the surrounding environment again.

Description

High security LNG storage and transportation jar

Technical Field

The utility model relates to a LNG storage and transportation tank technical field specifically is a high security LNG storage and transportation tank.

Background

The liquefied natural gas LNG storage and transportation tank is one of main tools for transporting natural gas, due to the fact that LNG gasification capacity is high, LNG gasification can be carried out in the LNG transportation process, pressure inside the storage and transportation tank is gradually increased at the moment, once the pressure exceeds a critical value, the tank body is prone to being broken, LNG leakage or even explosion is caused, a safety valve is opened in a general pressure release placement mode, natural gas release is formed, waste of a large number of resources is generated, meanwhile, the nearby environment is polluted, and once LNG is in contact with the skin of a human body, the human body is injured, and therefore the high-safety LNG storage and transportation tank is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high security LNG storage and transportation jar to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme:

as a high security LNG stores up an alternative of fortune jar, wherein: a high-safety LNG storage and transportation tank comprises a tank body, wherein two sides of the top of the tank body are communicated with a filling port and a discharge port, a first isolation plate and a second isolation plate are fixedly connected inside the tank body, a transversely arranged fixing frame is fixedly connected above the first isolation plate and the second isolation plate, the top of the fixing frame is communicated with a bent pipe, the other end of the bent pipe is fixedly connected with a delivery pipe, the outer side of the delivery pipe is communicated with a filtering assembly, and the outer side of the delivery pipe is fixedly connected with the tank body;

a sliding sleeve is fixedly connected inside the fixed frame, a sliding rod is connected to the inner side of the sliding sleeve in a sliding manner, a sliding frame is fixedly connected to the other end of the sliding rod, a guide hole is formed in the lower portion of the sliding frame, the bottom of the fixed frame is communicated with a drainage tube, and the other end of the drainage tube is communicated with a second isolation plate;

the sliding sleeve outside is equipped with the spring, and spring one end is fixed connection with fixed frame, the other end and the sliding frame of spring are fixed connection.

As an alternative of a high security LNG storage and transportation tank, wherein: the bent pipe is arranged in an S shape.

As an alternative of a high security LNG storage and transportation tank, wherein: the annular groove is opened towards one side of sliding frame to fixed frame face, and the inside sliding connection of annular groove has sealed frame, and the other end and the sliding frame of sealed frame are fixed connection, the sliding frame outside is sliding connection with fixed frame.

As a high security LNG stores up an alternative of fortune jar, wherein: and reinforcing columns which are uniformly distributed are arranged between the first isolation plate and the second isolation plate, and two ends of each reinforcing column are fixedly connected with the first isolation plate and the second isolation plate respectively.

As an alternative of a high security LNG storage and transportation tank, wherein: the filtering component comprises a side pipe and a filtering cover, the outer side of the side pipe is communicated with the delivery pipe, and the filtering cover is fixedly connected to the inner side of the side pipe.

As a high security LNG stores up an alternative of fortune jar, wherein: one end surface of the filter cover back to the delivery pipe is arranged in an inclined plane, and a side pipe below the filter cover is provided with a groove.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses in, divide into two cavities with the jar body through first division board and second division board, one side is LNG warehousing and transportation chamber, the opposite side is the decompression cavity, when the pressure of LNG warehousing and transportation intracavity portion progressively increases, it extrudees the slide frame, the slide frame removes the extrusion spring, when the pressure of LNG warehousing and transportation intracavity portion reaches the criticality, the guiding hole of its slide frame outside aligns with drainage tube one end, the gas of LNG warehousing and transportation intracavity portion passes through the drainage tube and gets into the decompression cavity at this moment, this kind of setting not only can carry out decompression to LNG warehousing and transportation intracavity portion, the combustion gas can be collected in the decompression cavity simultaneously, avoid the wasting of resources, can not cause the pollution to the surrounding environment again and cause the injury to the human body, have extremely strong security performance;

the sealing frame slides in the annular groove in the fixed frame, so that the sealing performance of the sealing frame is further ensured, gas in the LNG storage and transportation cavity is prevented from directly entering the fixed frame, when the guide hole is aligned with the drainage tube, the gas is prevented from moving to the cavity where the spring is located, and the spring, the sliding sleeve and the sliding rod are prevented from being damaged;

set up the reinforcement post between first division board and second division board and be used for supporting first division board and second division board, when the sliding frame removed simultaneously, the inside gas of its fixed frame was discharged through bent pipe, contact tube and filtering component, and the filter mantle is used for avoiding impurity to get into fixed frame inside, and the bent pipe of the setting of "S" type that sets up simultaneously effectively avoids the rainwater to get into fixed frame inside, guarantees equipment normal use.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a partial cross-sectional view of the present invention;

FIG. 3 is a schematic view of the structure at A of FIG. 2 according to the present invention;

FIG. 4 is a schematic view of the filter assembly of the present invention;

fig. 5 is a schematic view of the sealing frame structure of the present invention.

In the figure: 1. a tank body; 2. a filling port; 3. an outlet port; 4. a first separator plate; 5. a second separator plate; 6. reinforcing columns; 7. a delivery pipe; 8. a filter assembly; 801. a side tube; 802. a filter housing; 9. bending the tube; 10. a fixing frame; 11. a sliding sleeve; 12. a slide bar; 13. a spring; 14. a sliding frame; 15. an annular groove; 16. a sealing frame; 17. a guide hole; 18. a drainage tube.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1, fig. 2, fig. 3 and fig. 5, the present invention provides a technical solution:

a high-safety LNG storage and transportation tank comprises a tank body 1, wherein two sides of the top of the tank body 1 are communicated with a filling port 2 and a discharge port 3, a first isolation plate 4 and a second isolation plate 5 are fixedly connected inside the tank body 1, a transversely arranged fixing frame 10 is fixedly connected above the first isolation plate 4 and the second isolation plate 5, the top of the fixing frame 10 is communicated with a bent pipe 9, the other end of the bent pipe 9 is fixedly connected with a delivery pipe 7, the outer side of the delivery pipe 7 is communicated with a filtering assembly 8, and the outer side of the delivery pipe 7 is fixedly connected with the tank body 1;

a sliding sleeve 11 is fixedly connected inside the fixed frame 10, a sliding rod 12 is slidably connected inside the sliding sleeve 11, the other end of the sliding rod 12 is fixedly connected with a sliding frame 14, a guide hole 17 is formed below the sliding frame 14, a drainage tube 18 is communicated with the bottom of the fixed frame 10, and the other end of the drainage tube 18 is communicated with the second isolation plate 5;

the spring 13 is arranged on the outer side of the sliding sleeve 11, one end of the spring 13 is fixedly connected with the fixed frame 10, the other end of the spring 13 is fixedly connected with the sliding frame 14, and the arrangement of the spring 13 ensures that the sliding frame 14 is positioned on one side of the fixed frame 10 when the pressure in the LNG storage and transportation cavity is normal, so that the guide hole 17 and the drainage tube 18 are staggered, and gas leakage is avoided.

In order to avoid the damage of the tank body 1 caused by the overlarge internal pressure of the LNG storage and transportation cavity, the tank body is divided into the LNG storage and transportation cavity and a pressure release cavity by a first partition plate 4 and a second partition plate 5 in the tank body 1, when in transportation, once the internal pressure of the LNG storage and transportation cavity is overlarge, gas extrudes a sliding frame 14, the sliding frame 14 extrudes a sliding rod 12 to slide in a sliding sleeve 11, a spring 13 is in a compressed state at the moment, when the internal pressure of the LNG storage and transportation cavity is at a critical value, the sliding frame 14 slides to the bottommost part of a sliding groove formed in a fixed frame 10, a guide hole 17 at the bottom of the sliding frame 14 is aligned with a drainage tube 18, and at the moment, the gas in the LNG storage and transportation cavity flows into the drainage tube 18 through the guide frame 17 and enters the pressure release cavity.

Example 2

This embodiment is an improvement of embodiment 1, please refer to fig. 1 and fig. 3, and in particular, the bending pipe 9 is disposed in an "S" shape, which prevents external rain water from entering into the fixing frame 10 and affecting the normal movement of the sliding frame 14.

Example 3

In this embodiment, referring to fig. 1 and fig. 4, an annular groove 15 is formed on one side of the fixed frame 10 facing the sliding frame 14, a sealing frame 16 is slidably connected inside the annular groove 15, the other end of the sealing frame 16 is fixedly connected to the sliding frame 14, and the outer side of the sliding frame 14 is slidably connected to the fixed frame 10.

The annular groove 15 and the sealing frame 16 ensure that gas in the LNG storage and transportation cavity is not easy to enter the fixed frame 10 through a gap between the fixed frame 10 and the sliding frame 14, and the LNG storage and transportation cavity has a good sealing effect.

Example 4

In this embodiment, an improvement is made on the embodiment 3, please refer to fig. 1 and fig. 2, specifically, reinforcing columns 6 are uniformly distributed between the first isolation plate 4 and the second isolation plate 5, and two ends of the reinforcing columns 6 are respectively fixedly connected with the first isolation plate 4 and the second isolation plate 5.

This arrangement ensures that the first and

second partition plates

4 and 5 are less susceptible to deformation damage under the action of the reinforcing rods 6.

Example 5

In this embodiment, referring to fig. 1 and fig. 3, the filter assembly 8 includes a side pipe 801 and a filter cover 802, an outer side of the side pipe 801 is communicated with the delivery pipe 7, and an inner side of the side pipe 801 is fixedly connected with the filter cover 802.

The end of the filter cover 802 facing away from the outlet pipe 7 is provided with an inclined surface, and the side pipe 801 below the filter cover 802 is provided with a groove.

This kind of setting guarantees that when outside impurity passes through filter housing 802, its impurity is filtered off to one side of filter housing 802 is the slope setting, guarantees that impurity is difficult for piling up on filter housing 802 surface, and the bottom of side pipe 801 is seted up flutedly simultaneously for guarantee that impurity falls through the recess.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high security LNG storage and transportation jar, includes jar body (1), its characterized in that: the filling port (2) and the discharge port (3) are communicated with two sides of the top of the tank body (1), a first isolation plate (4) and a second isolation plate (5) are fixedly connected inside the tank body (1), a transversely arranged fixing frame (10) is fixedly connected above the first isolation plate (4) and the second isolation plate (5), the top of the fixing frame (10) is communicated with a bent pipe (9), the other end of the bent pipe (9) is fixedly connected with a delivery pipe (7), the outer side of the delivery pipe (7) is communicated with a filtering assembly (8), and the outer side of the delivery pipe (7) is fixedly connected with the tank body (1);

a sliding sleeve (11) is fixedly connected inside the fixed frame (10), a sliding rod (12) is connected to the inner side of the sliding sleeve (11) in a sliding mode, a sliding frame (14) is fixedly connected to the other end of the sliding rod (12), a guide hole (17) is formed in the lower portion of the sliding frame (14), a drainage tube (18) is communicated with the bottom of the fixed frame (10), and the other end of the drainage tube (18) is communicated with the second isolation plate (5);

the utility model discloses a fixed frame, including slip cover (11), spring (13) are equipped with in the slip cap (11) outside, and spring (13) one end is fixed connection with fixed frame (10), the other end and the slip frame (14) of spring (13) are fixed connection.

2. A high safety LNG storage and transportation tank as claimed in claim 1, wherein: the bending pipe (9) is arranged in an S shape.

3. A high safety LNG storage and transportation tank as claimed in claim 1, wherein: annular groove (15) have been seted up towards one side of sliding frame (14) to fixed frame (10), and the inside sliding connection of annular groove (15) has sealed frame (16), and the other end of sealed frame (16) is fixed connection with sliding frame (14), the sliding frame (14) outside is sliding connection with fixed frame (10).

4. A high safety LNG storage and transportation tank as claimed in claim 1, wherein: be equipped with evenly distributed's reinforcement post (6) between first division board (4) and second division board (5), and the both ends of reinforcement post (6) are fixed connection with first division board (4) and second division board (5) respectively.

5. A high safety LNG storage and transportation tank as claimed in claim 1, wherein: the filter assembly (8) comprises a side pipe (801) and a filter cover (802), the outer side of the side pipe (801) is communicated with the delivery pipe (7), and the inner side of the side pipe (801) is fixedly connected with the filter cover (802).

6. A high safety LNG storage and transportation tank as claimed in claim 5, wherein: one end surface of the filter cover (802) back to the delivery pipe (7) is arranged in an inclined plane, and a side pipe (801) below the filter cover (802) is provided with a groove.