CN211010762U

CN211010762U - Liquid nitrogen storage tank with safety valve device

Info

Publication number: CN211010762U
Application number: CN201920659046.2U
Authority: CN
Inventors: 周明龙
Original assignee: Shanghai Haizhou Special Gas Co ltd
Current assignee: Shanghai Haizhou Special Gas Co ltd
Priority date: 2019-05-09
Filing date: 2019-05-09
Publication date: 2020-07-14
Anticipated expiration: 2029-05-09

Abstract

The utility model discloses a liquid nitrogen storage tank with relief valve device, including aluminum alloy shell, the equal fixed mounting of aluminum alloy shell's both sides surface has the storage tank handle, aluminum alloy shell's top surface demountable installation has sealed lid, the internal fixed surface of storage tank handle installs the liquid nitrogen contact tube, the top surface fixed surface of liquid nitrogen contact tube installs the pressure release relief valve, the right side surface fixed surface of pressure release relief valve installs the pressure release pipeline. A liquid nitrogen storage tank with relief valve device, be equipped with pressure release relief valve, aluminum alloy housing and aluminum alloy inner bag, when pouring into liquid nitrogen pressure value superscript, can carry out safe pressure release, prevented that the liquid nitrogen pressure value of pouring into from too high causing the damage to the liquid nitrogen storage tank, can carry out more confined isolation protection to the liquid nitrogen, prevented that the change that receives external temperature from producing the influence to the liquid nitrogen, certain practicality has, brings better use prospect.

Description

Liquid nitrogen storage tank with safety valve device

Technical Field

The utility model relates to a liquid nitrogen storage tank field, in particular to liquid nitrogen storage tank with relief valve device.

Background

The liquid nitrogen storage tank is a storage tank used for injecting liquid nitrogen to store and protect the liquid nitrogen, is widely applied to production, transportation and use occasions of the liquid nitrogen, is an essential appliance for long-time storage and use of the liquid nitrogen, has a good use effect, and cannot meet the requirements of people due to the fact that the existing liquid nitrogen storage tank is needed to be more convenient; the existing liquid nitrogen storage tank has certain defects when in use, firstly, the existing liquid nitrogen storage tank is not provided with a safety valve device, the liquid nitrogen is easily damaged by overhigh pressure when injected into the tank body, secondly, the single-layer structure has poor protection effect, the isolation effect is poor, the liquid nitrogen is easily influenced by external temperature change, and therefore the liquid nitrogen storage tank with the safety valve device is provided.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a liquid nitrogen storage tank with a safety valve device, which can effectively solve the problems of the background art.

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

a liquid nitrogen storage tank with a safety valve device comprises an aluminum alloy shell, storage tank handles are fixedly arranged on the outer surfaces of two sides of the aluminum alloy shell, the outer surface of the top of the aluminum alloy shell is detachably provided with a sealing cover, the inner surface of the storage tank handle is fixedly provided with a liquid nitrogen delivery pipe, the outer surface of the top of the liquid nitrogen delivery pipe is fixedly provided with a pressure relief safety valve, the outer surface of the right side of the pressure relief safety valve is fixedly provided with a pressure relief pipeline, the inner surface of the pressure relief safety valve is movably provided with a pressure applying spring, the outer surface of the bottom of the pressure applying spring is fixedly provided with a sealing plate, a shunting eduction tube is fixedly arranged on the outer surface of the left side of the liquid nitrogen eduction tube, a pressure display meter is fixedly arranged on the outer surface of the top part of the shunting eduction tube, the top surface left side movable mounting of reposition of redundant personnel contact tube has control flap, aluminum alloy shell's internal surface parcel installs the aluminum alloy inner bag.

Preferably, the storage tank handles are fixedly connected with the aluminum alloy shell through welding, and the two storage tank handles are symmetrically arranged on the outer surfaces of the two sides of the aluminum alloy shell.

Preferably, the outer surface of the sealing plate is connected with the inner wall of the pressure relief safety valve, a rubber ring is arranged on the outer surface of the sealing plate, and the sealing plate is cylindrical.

Preferably, the liquid nitrogen delivery pipe and the shunt delivery pipe are both of hollow structure structures, and the shunt delivery pipe is fixedly connected with the liquid nitrogen delivery pipe through welding.

Preferably, the aluminum alloy inner container is fixedly connected with the aluminum alloy shell, and the inner wall of the aluminum alloy inner container is coated with the corrosion-resistant layer.

Preferably, the liquid nitrogen delivery pipe penetrates through the sealing cover, and a liquid nitrogen collecting seat is fixedly installed on the outer surface of the bottom of the liquid nitrogen delivery pipe.

Compared with the prior art, the utility model discloses following beneficial effect has: this liquid nitrogen storage tank with safety valve device, pressure release relief valve through setting up, when pouring into liquid nitrogen pressure value superscript, can carry out safe pressure release, prevented to pour into liquid nitrogen pressure value too high and cause the damage to the liquid nitrogen storage tank, through aluminum alloy housing and the aluminum alloy inner bag that sets up, can carry out more confined isolation protection to the liquid nitrogen, the change that has prevented to receive external temperature produces the influence to the liquid nitrogen, certain practicality has, the whole liquid nitrogen storage tank with safety valve device simple structure, high durability and convenient operation, the effect of use is better for traditional mode.

Drawings

FIG. 1 is a schematic view of the overall structure of a liquid nitrogen storage tank with a safety valve device according to the present invention;

FIG. 2 is a schematic view of the internal structure of a liquid nitrogen storage tank with a safety valve device according to the present invention;

fig. 3 is a schematic diagram of the internal structure of the pressure relief valve of the liquid nitrogen storage tank with the safety valve device of the present invention.

In the figure: 1. an aluminum alloy housing; 2. a storage tank handle; 3. a sealing cover; 4. a liquid nitrogen delivery pipe; 5. a pressure relief safety valve; 6. a pressure relief duct; 7. a pressure applying spring; 8. a sealing plate; 9. a shunt delivery line; 10. a pressure display gauge; 11. a control valve; 12. an aluminum alloy inner container; 13. and a liquid nitrogen collecting seat.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-3, a liquid nitrogen storage tank with a safety valve device comprises an aluminum alloy shell 1, wherein storage tank handles 2 are fixedly mounted on the outer surfaces of both sides of the aluminum alloy shell 1, a sealing cover 3 is detachably mounted on the outer surface of the top of the aluminum alloy shell 1, a liquid nitrogen delivery pipe 4 is fixedly mounted on the inner surface of the storage tank handle 2, a pressure relief valve 5 is fixedly mounted on the outer surface of the top of the liquid nitrogen delivery pipe 4, a pressure relief pipeline 6 is fixedly mounted on the outer surface of the right side of the pressure relief valve 5, a pressure spring 7 is movably mounted on the inner surface of the pressure relief valve 5, a sealing plate 8 is fixedly mounted on the outer surface of the bottom of the pressure spring 7, a shunt delivery pipe 9 is fixedly mounted on the outer surface of the left side of the liquid, a control valve 11 is movably mounted on the left side of the outer surface of the top of the shunting and leading-out pipe 9, and an aluminum alloy inner container 12 is wrapped and mounted on the inner surface of the aluminum alloy shell 1;

the storage tank handles 2 are fixedly connected with the aluminum alloy shell 1 through welding, and the two storage tank handles 2 are symmetrically arranged on the outer surfaces of the two sides of the aluminum alloy shell 1; the outer surface of the sealing plate 8 is connected with the inner wall of the pressure relief safety valve 5, a rubber ring is arranged on the outer surface of the sealing plate 8, the sealing plate 8 is cylindrical, and the rubber ring can seal through self deformation; the liquid nitrogen delivery pipe 4 and the shunt delivery pipe 9 are both of hollow structure, and the shunt delivery pipe 9 is fixedly connected with the liquid nitrogen delivery pipe 4 by welding; the aluminum alloy inner container 12 is fixedly connected with the aluminum alloy shell 1, and the inner wall of the aluminum alloy inner container 12 is coated with a corrosion-resistant layer which plays a role in preventing corrosion; the liquid nitrogen delivery pipe 4 penetrates through the sealing cover 3, and a liquid nitrogen collecting seat 13 is fixedly installed on the outer surface of the bottom of the liquid nitrogen delivery pipe 4.

It should be noted that, the utility model relates to a liquid nitrogen storage tank with safety valve device, through setting up pressure relief valve 5, after injecting liquid nitrogen into the liquid nitrogen storage tank, when the liquid nitrogen pressure value of injection is normal, the closing plate 8 is pushed against to the pressure spring 7 in the pressure relief valve 5, make pressure relief valve 5 form sealed space, when the liquid nitrogen pressure value of injection surpasses the scope that the liquid nitrogen storage tank bore, the pressure of liquid nitrogen surpasses the scope that the pressure spring 7 bore, the liquid nitrogen that overflows pushes against from liquid nitrogen delivery tube 4 and moves closing plate 8 upwards, after closing plate 8 moved to the mounted position of pressure release pipeline 6, the liquid nitrogen of too high pressure leaks from pressure release pipeline 6, when the liquid nitrogen pressure value is normal after, pressure spring 7 pushes back closing plate 8 again and seals, thereby reach the effect of safe pressure release, the pressure value liquid nitrogen too high of injection has been prevented, cause the damage to the liquid, through the aluminum alloy shell 1 and the aluminum alloy inner container 12 that set up, after pouring into the liquid nitrogen into, its bilayer structure's structure can carry out more confined isolation protection to the liquid nitrogen, has prevented that the change that receives external temperature from producing the influence to the liquid nitrogen, and is comparatively practical.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a liquid nitrogen storage tank with relief valve device, includes aluminum alloy shell (1), its characterized in that: the outer surface of the two sides of the aluminum alloy shell (1) is fixedly provided with a storage tank handle (2), the outer surface of the top of the aluminum alloy shell (1) is detachably provided with a sealing cover (3), the inner surface of the storage tank handle (2) is fixedly provided with a liquid nitrogen delivery pipe (4), the outer surface of the top of the liquid nitrogen delivery pipe (4) is fixedly provided with a pressure relief safety valve (5), the outer surface of the right side of the pressure relief safety valve (5) is fixedly provided with a pressure relief pipeline (6), the inner surface of the pressure relief safety valve (5) is movably provided with a pressure applying spring (7), the outer surface of the bottom of the pressure applying spring (7) is fixedly provided with a sealing plate (8), the outer surface of the left side of the liquid nitrogen delivery pipe (4) is fixedly provided with a shunt delivery pipe, the top surface left side movable mounting of reposition of redundant personnel eduction tube (9) has control flap (11), aluminum alloy inner bag (12) are installed to the internal surface parcel of aluminum alloy shell (1).

2. The liquid nitrogen storage tank with safety valve device as claimed in claim 1, wherein: the storage tank handles (2) are fixedly connected with the aluminum alloy shell (1) through welding, and the two storage tank handles (2) are symmetrically arranged on the outer surfaces of the two sides of the aluminum alloy shell (1).

3. The liquid nitrogen storage tank with safety valve device as claimed in claim 1, wherein: the outer surface of the sealing plate (8) is connected with the inner wall of the pressure relief safety valve (5), a rubber ring is arranged on the outer surface of the sealing plate (8), and the sealing plate (8) is cylindrical.

4. The liquid nitrogen storage tank with safety valve device as claimed in claim 1, wherein: the liquid nitrogen delivery pipe (4) and the shunt delivery pipe (9) are both of hollow structure structures, and the shunt delivery pipe (9) is fixedly connected with the liquid nitrogen delivery pipe (4) through welding.

5. The liquid nitrogen storage tank with safety valve device as claimed in claim 1, wherein: the aluminum alloy inner container (12) is fixedly connected with the aluminum alloy shell (1), and the inner wall of the aluminum alloy inner container (12) is coated with a corrosion-resistant layer.

6. The liquid nitrogen storage tank with safety valve device as claimed in claim 1, wherein: the liquid nitrogen delivery pipe (4) penetrates through the sealing cover (3), and a liquid nitrogen collecting seat (13) is fixedly installed on the outer surface of the bottom of the liquid nitrogen delivery pipe (4).