CN216789863U

CN216789863U - Low-temperature liquid nitrogen storage tank device

Info

Publication number: CN216789863U
Application number: CN202122508593.0U
Authority: CN
Inventors: 万芳宇; 卢琼琼; 宋富强
Original assignee: Anning Kaida Gas Co ltd
Current assignee: Anning Kaida Gas Co ltd
Priority date: 2021-10-19
Filing date: 2021-10-19
Publication date: 2022-06-21
Anticipated expiration: 2031-10-19

Abstract

The utility model provides a low-temperature liquid nitrogen storage tank device, which relates to the technical field of low-temperature liquid nitrogen storage and comprises a storage device, wherein the storage device comprises a sealing cover, a storage tank, a rotating rod piece, a containing inner shell, a sample cylinder, an outflow pipe, a neck pipe and a storage pipe. According to the utility model, the triangular rod and the hook are arranged, the triangular rod is held by hand to stably place the sample tube in the inner containing shell, the triangular rod is hung at the top of the connecting rod after the position of the sample tube is stable, the hook is hung at the bottom of the hanging rod, the top of the tube body can be provided with a label, different sample tubes can be conveniently distinguished, the semicircular tube is added to avoid confusion during placement and taking, six sample tubes and one sample cylinder can be simultaneously stored in the inner containing shell, the space in the inner containing shell is fully utilized, the collision between the sample cylinder and the sample tube can be avoided, the sample tube and the sample cylinder can be taken out by opening the sealing cover to take down the hook and the triangular rod, the sample can be conveniently extracted, and meanwhile, operators are prevented from being frozen by liquid nitrogen.

Description

Low-temperature liquid nitrogen storage tank device

Technical Field

The utility model relates to the technical field of low-temperature liquid nitrogen storage, in particular to a low-temperature liquid nitrogen storage tank device.

Background

Liquid nitrogen freezing is one of the main methods for preserving biological cells, tissues and organs. The cryopreservation technology is utilized to store the cells in liquid nitrogen at the temperature of-196 ℃, provides a high-precision, controlled and uniform-temperature ultralow-temperature environment for users, is an ideal research and development device for research departments such as testing and chemical analysis, universities, factories and laboratory and measurement quality inspection departments, can enable the cells to be temporarily separated from the growth state to store the cell characteristics, and can recover the cells for experiments when needed, and the storage period can reach one year to several decades.

In the prior art, for example, Chinese patent numbers are: CN 209688505U's "a low temperature liquid nitrogen atmospheric pressure storage tank", it can control the minimum liquid level of liquid nitrogen in the storage tank through setting up the controlling device, therefore reduced the difficulty of liquid nitrogen liquid level control in the low temperature liquid nitrogen atmospheric pressure storage tank; the difficulty that workers find that the air pressure of the storage tank is increased at the first time and take measures in time is reduced by additionally arranging the alarm device; the left front side, the right front side and the rear side of the bottom end of the cylinder body are respectively connected with the top ends of the three groups of supporting legs, and a containing cavity is arranged in the cylinder body; the device also comprises an extrusion plate, a lifting plate, two groups of telescopic rods, two groups of baffles, two groups of supporting rods, two groups of mounting rods, two groups of hanging rods and two groups of floating balls; the device also comprises a transmission pipe, an alarm box, a rotating shaft, a fixed bearing, four groups of rotating rods, four groups of power hemispheres, a fixed block, two groups of fixed rods and two groups of warning plates, wherein a working cavity is arranged in the alarm box.

In the prior art, samples such as biological cells, tissues and organs are often placed in sample cylinders and then stored in a liquid nitrogen storage tank device, a plurality of sample cylinders are placed in some liquid nitrogen tanks, the sample cylinders can be disordered, and the sample cylinders inevitably collide with each other to cause sample damage.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that in the prior art, a plurality of sample cylinders are placed in some existing liquid nitrogen tanks, the sample cylinders are possibly disordered, the sample cylinders are inevitably collided, and the samples are damaged, and in addition, the existing sample cylinders are complicated in extraction step, and workers are inevitably frostbitten.

In order to achieve the purpose, the utility model adopts the following technical scheme: a low-temperature liquid nitrogen storage tank device comprises a storage device, wherein the storage device comprises a sealing cover, a storage tank, a rotating rod piece, an inner containing shell, a sample cylinder, an outflow pipe, a neck pipe and a storage pipe, one side of the top of the storage tank is fixedly connected with the bottom of the rotating rod piece, the top of the rotating rod piece is rotatably connected with one side of the sealing cover, the bottom of the sealing cover is fixedly connected with a hanging rod, the bottom of the hanging rod is movably connected with a hook, the bottom of the hook is fixedly connected with the top of the sample cylinder, the bottom of the storage tube is fixedly arranged with the bottom of the storage tank, the storage tube comprises a tube body, six connecting rods are uniformly and fixedly connected with the outer wall of the tube body, six semicircular tubes are uniformly and fixedly connected with the inner wall of the tube body, the top of connecting rod swing joint has the triangular prism, the bottom fixedly connected with sample cell of triangular prism.

Preferably, the bottom of the pipe body is fixedly connected with the top of the storage tank, and three casters are uniformly and movably mounted at the bottom of the storage tank.

Preferably, the inner wall of the storage tank is fixedly connected with the outer wall of the inner shell, the top of the inner shell is fixedly communicated with the bottom of the neck pipe, and the top of the neck pipe is fixedly communicated with the top of the storage tank.

Preferably, one side of the top of the storage tank is fixedly connected with an air return pipe, and the other side of the top of the storage tank is fixedly connected with an air release pipe.

Preferably, the top end of the air return pipe is fixedly communicated with a valve, and the top end of the air release pipe is fixedly communicated with a safety valve.

Preferably, the bottom of the storage tank is fixedly communicated with the top of the outflow pipe, and the bottom end of the outflow pipe is fixedly communicated with a stop valve.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. according to the utility model, the triangular rod and the hook are arranged, the triangular rod is held by hand, the connecting rope is attached to the semicircular tube, the sample tube is stably placed in the containing inner shell, the triangular rod is hung at the top of the connecting rod after the position of the sample tube is stable, the hook is hung at the bottom of the hanging rod, the top of the tube body can be provided with a mark number, different sample tubes can be conveniently distinguished, and the semicircular tube is added to avoid confusion during placement and taking.

2. According to the utility model, six sample tubes and one sample cylinder can be stored in the containing inner shell simultaneously, so that the space in the containing inner shell is fully utilized, the collision between the sample cylinder and the sample tubes can be avoided, and the sample damage is avoided.

3. According to the utility model, when a sample is taken, the sealing cover is opened, the hook and the triangular rod are taken down, and then the sample tube and the sample cylinder can be taken out, so that the sample cylinder and the sample tube can be conveniently and stably extracted, the sample in the sample cylinder is prevented from being damaged by inclination and translation in the extraction process of the sample cylinder, and meanwhile, an operator is prevented from being frozen by liquid nitrogen.

Drawings

FIG. 1 is a schematic perspective view of a cryogenic liquid nitrogen storage tank apparatus according to the present invention;

FIG. 2 is a schematic diagram of the internal structure of a cryogenic liquid nitrogen storage tank apparatus according to the present invention;

FIG. 3 is a schematic bottom view of the low temperature liquid nitrogen storage tank of the present invention;

FIG. 4 is a schematic structural diagram of a storage tube of a cryogenic liquid nitrogen storage tank apparatus according to the present invention;

FIG. 5 is an enlarged detail view at A in FIG. 2 of a cryogenic liquid nitrogen storage tank apparatus according to the present invention.

Illustration of the drawings: 1. a storage device; 11. a sealing cover; 12. a storage tank; 13. rotating the rod piece; 14. a valve; 15. an air return pipe; 16. an air escape pipe; 17. a safety valve; 18. a hanging rod; 19. a storage tube; 20. a caster wheel; 21. accommodating the inner shell; 22. a neck tube; 23. a sample tube; 24. a sample cartridge; 25. a stop valve; 26. an outflow tube; 27. a triangular rod; 28. hooking; 191. a connecting rod; 192. a pipe body; 193. a semicircular tube.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.

Embodiment 1, as shown in fig. 1 to 5, the present invention provides a cryogenic liquid nitrogen storage tank device, which comprises a storage device 1, wherein the storage device 1 comprises a sealing cover 11, a storage tank 12, a rotating rod 13, an inner containing shell 21, a sample cylinder 24, an outflow pipe 26, a neck pipe 22 and a storage pipe 19, one side of the top of the storage tank 12 is fixedly connected with the bottom of the rotating rod 13, the top of the rotating rod 13 is rotatably connected with one side of the sealing cover 11, the bottom of the sealing cover 11 is fixedly connected with a hanging rod 18, the bottom of the hanging rod 18 is movably connected with a hook 28, the bottom of the hook 28 is fixedly connected with the top of the sample cylinder 24, six sample tubes 23 and one sample cylinder 24 can be simultaneously stored in the inner containing shell 21, collision between the sample cylinders 24 and the sample tubes 23 can be avoided, the space in the inner containing shell 21 is fully utilized, when a sample is taken, the sealing cover 11 is only required to be opened to take the hook 28 and the triangular rod 27 down, so as to take out the sample tubes 23 and the sample cylinders 24, the bottom of storage pipe 19 and the bottom fixed mounting of storage tank 12, storage pipe 19 includes body 192, six connecting rods 191 of the even fixedly connected with of outer wall of body 192, six semicircle pipes 193 of the even fixedly connected with of inner wall of body 192, and semicircle pipes 193 can avoid obscuring when taking, and the top swing joint of connecting rod 191 has triangle pole 27, the bottom fixedly connected with sample tube 23 of triangle pole 27.

The bottom of the pipe 192 is fixedly connected with the top of the storage tank 12, three casters 20 are evenly and movably mounted at the bottom of the storage tank 12, and the three casters 20 facilitate movement of the device.

The inner wall of storage tank 12 and the outer wall fixed connection who holds inner shell 21 hold the top of inner shell 21 and the fixed intercommunication in bottom of neck 22, and the top of neck 22 and the fixed intercommunication in top of storage tank 12, neck 22 are storage tank 12 and hold connecting tube between the inner shell 21.

An air return pipe 15 is fixedly connected to one side of the top of the storage tank 12, an air release pipe 16 is fixedly connected to the other side of the top of the storage tank 12, and the air release pipe 16 is used for releasing pressure to avoid overlarge pressure intensity in the tank.

The top end of the air return pipe 15 is fixedly communicated with a valve 14, the top end of the air return pipe 16 is fixedly communicated with a safety valve 17, and the safety valve 17 plays a role in protection, protects the safety of samples in the storage tank 12 and protects external operators.

The bottom of the tank 12 is fixedly communicated with the top of an outflow pipe 26, the bottom end of the outflow pipe 26 is fixedly communicated with a stop valve 25, and the outflow pipe 26 is used for flushing liquid nitrogen into the inner containing shell 21.

The working principle of the utility model is as follows: when the device is used, sufficient liquid nitrogen is firstly flushed into the inner containing shell 21, a sample to be frozen and stored is placed into the sample tube 23 and the sample cylinder 24, the device is moved to a designated position through the three casters 20 at the bottom, the sealing cover 11 is opened, the bottom of the hook 28 is connected with the sample cylinder 24 through a connecting rope, the bottom of the triangular rod 27 is also connected with the sample tube 23 through a connecting rope, an operator holds the hook 28 by hand, aligns the sample cylinder 24 into the neck tube 22 from the top by aligning the tube body 192, until the sample cylinder 24 reaches the bottom position of the inner containing shell 21, holds the triangular rod 27 on one side of the inner wall of the tube body 192 after the sample cylinder 24 is stabilized, enables the connecting rope to be attached to the semicircular tube 193 on the inner wall of the tube body 192, the sample tube 23 is stably placed into the inner containing shell 21, hangs the triangular rod 27 on the top of the connecting rod 191 after the position of the sample tube 23 is stabilized, and finally hangs the hook 28 on the bottom of the hanging rod 18, and close sealed lid 11 can, the inner wall of body 192 has six semicircle pipes 193, can increase the reference numeral at the top of body 192 simultaneously, conveniently distinguish different sample tubes 24, increase semicircle pipe 193 and can avoid obscuring when taking, hold and to save six sample tubes 23 and a sample section of thick bamboo 24 in the inner shell 21 simultaneously, can avoid bumping between sample section of thick bamboo 24 and the sample tube 23, make full use of holds the space in the inner shell 21, when taking the sample, only need open sealed lid 11 and take off couple 28 and triangular rod 27 and can take out sample tube 23 and sample section of thick bamboo 24, conveniently extract sample section of thick bamboo 24 and sample tube 23 steadily, avoid taking place the slope at sample section of thick bamboo 24 extraction in-process, the translation damages the sample in the sample section of thick bamboo 24, avoid liquid nitrogen frostbite operating personnel simultaneously.

The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.

Claims

1. A cryogenic liquid nitrogen storage tank apparatus comprising a storage device (1), characterized in that: the storage device (1) comprises a sealing cover (11), a storage tank (12), a rotating rod piece (13), an inner containing shell (21), a sample cylinder (24), an outflow pipe (26), a neck pipe (22) and a storage pipe (19), wherein one side of the top of the storage tank (12) is fixedly connected with the bottom of the rotating rod piece (13), the top of the rotating rod piece (13) is rotatably connected with one side of the sealing cover (11), the bottom of the sealing cover (11) is fixedly connected with a hanging rod (18), the bottom of the hanging rod (18) is movably connected with a hook (28), the bottom of the hook (28) is fixedly connected with the top of the sample cylinder (24), the bottom of the storage pipe (19) is fixedly installed with the bottom of the storage tank (12), the storage pipe (19) comprises a pipe body (192), and six connecting rods (191) are uniformly and fixedly connected with the outer wall of the pipe body (192), the inner wall of body (192) is six semicircle pipes (193) of even fixedly connected with, the top swing joint of connecting rod (191) has set square (27), the bottom fixedly connected with sample cell (23) of set square (27).

2. A cryogenic liquid nitrogen storage tank apparatus according to claim 1, wherein: the bottom of body (192) and the top fixed connection of storage tank (12), the even movable mounting in bottom of storage tank (12) has three truckle (20).

3. A cryogenic liquid nitrogen storage tank apparatus according to claim 1, wherein: the inner wall of storage tank (12) and the outer wall fixed connection who holds inner shell (21), the top that holds inner shell (21) and the fixed intercommunication in bottom of neck pipe (22), the top of neck pipe (22) and the fixed intercommunication in top of storage tank (12).

4. A cryogenic liquid nitrogen storage tank apparatus according to claim 1, wherein: the air return pipe (15) is fixedly connected to one side of the top of the storage tank (12), and the air release pipe (16) is fixedly connected to the other side of the top of the storage tank (12).

5. A cryogenic liquid nitrogen storage tank apparatus according to claim 4, wherein: the top end of the air return pipe (15) is fixedly communicated with a valve (14), and the top end of the air release pipe (16) is fixedly communicated with a safety valve (17).

6. A cryogenic liquid nitrogen storage tank apparatus according to claim 1, wherein: the bottom of the storage tank (12) is fixedly communicated with the top of the outflow pipe (26), and the bottom end of the outflow pipe (26) is fixedly communicated with a stop valve (25).