CN220601208U - Large-caliber liquid nitrogen tank - Google Patents

Abstract

The utility model relates to a large-caliber liquid nitrogen tank which comprises a tank body, a placing rack and a tank opening, wherein the placing rack is rotatably connected in the tank body, the tank opening is arranged on one side of the top of the tank body, the placing rack comprises a bottom plate and vertical plates, the vertical plates are uniformly arranged on the bottom plate, a handle is arranged at the top of each vertical plate, a sealing cover is arranged above each vertical plate, and a separation component is arranged between every two adjacent vertical plates; this liquid nitrogen tank sets up jar mouth in jar body top one side, cooperates with rack and closing cap in the jar body, reduces the contact of the inside nitrogen gas of jar body and outside air, very big reduction energy loss.

Description

Large-caliber liquid nitrogen tank

Technical Field

The utility model relates to the technical field of liquid nitrogen tanks, in particular to a large-caliber liquid nitrogen tank.

Background

The liquid nitrogen tank is generally divided into a liquid nitrogen storage tank and a liquid nitrogen transportation tank. The storage tank is mainly used for standing and storing indoor liquid nitrogen, and is not suitable for long-distance transportation in a working state; the liquid nitrogen transportation tank is specially designed for vibration prevention in order to meet transportation conditions. Besides the static storage, the device can be transported and used in a liquid nitrogen filling state, but severe collision and vibration should be avoided.

Liquid nitrogen freezing is a mature and long-history technology in the food industry, and the basic principle is that the extremely low temperature and high heat conduction property of liquid nitrogen are utilized, the chemical property is stable, the liquid nitrogen does not react with any substance, the liquid nitrogen is a refrigerating medium with extremely high freezing strength, so that food can quickly pass through an ice crystal generating zone, the temperature can be reduced by 7-15 ℃ per minute, and the freezing speed is 30-40 times faster than that of common freezing.

The prior liquid nitrogen tanks are mostly small-caliber liquid nitrogen tanks, compared with the large-caliber liquid nitrogen tanks, the contact surface between liquid nitrogen in the tank and air outside the tank is large, the heat contact is more, the generated heat exchange is more, the quick loss is larger when volatilization is carried out, but the small-caliber liquid nitrogen tanks are not suitable for being used in food cold chains; therefore, how to overcome the above-mentioned technical problems and drawbacks becomes an important problem to be solved.

Disclosure of Invention

The utility model aims to overcome the defects described in the background art, thereby providing a large-caliber liquid nitrogen tank, wherein a tank opening is arranged on one side of the top of a tank body and is matched with a placing frame and a sealing cover in the tank body, so that the contact between nitrogen in the tank body and external air is reduced, and the energy loss is greatly reduced.

In order to achieve the above purpose, the technical scheme of the utility model is as follows: the utility model provides a heavy-calibre liquid nitrogen container, includes the jar body, rack and jar mouth, rack swivelling joint is in the jar body, and jar mouth sets up in jar body top one side, the rack includes bottom plate and riser, the riser is even to be arranged on the bottom plate, and the handle is installed at the riser top, and the riser top is provided with the closing cap, is provided with separation subassembly between the adjacent riser.

Further, the bottom and the top center of the tank body are respectively fixedly connected with mounting seats, and a fixed upright post is fixedly connected between the two mounting seats.

Further, the placement frame is rotationally connected with the fixed upright post in the center of the tank body through the rotary upright post, the rotary upright post is a hollow cylinder and is sleeved on the fixed upright post, and the bottom plate and the upright plate are fixedly connected with the rotary upright post.

Further, the tank bottom is provided with the annular rail, installs with annular rail assorted rail wheel below the bottom plate of rack.

Further, the sealing cover is arranged on the tank body above the vertical plate, an annular groove matched with the handle is arranged in the middle of the sealing cover, and a cover plate is hinged to the annular groove of the sealing cover at the tank opening.

Further, the separation assembly comprises a partition plate and hanging buckles, the partition plate is a retractable sector plate, one side of the partition plate is hinged to the vertical plate, and hanging buckles matched with the other side of the partition plate are arranged on the adjacent vertical plates.

The large-caliber liquid nitrogen tank has the beneficial effects that:

according to the large-caliber liquid nitrogen tank, the storage rack is used for equally dividing the interior of the tank body into four storage cavities, the sealing cover is arranged above the vertical plate of the storage rack, three storage cavities far away from the tank opening are sealed, and when the tank opening is opened for taking and placing objects, the three storage cavities are reduced from being contacted with outside air, so that the energy loss in the tank body is greatly reduced; the rack can rotate around the center of the tank body, so that articles can be conveniently taken and placed, only one placing cavity is used for carrying out heat exchange with outside air, the energy loss in the tank body can be reduced to the greatest extent, and the problem of large loss of the large-caliber liquid nitrogen tank is effectively solved.

Drawings

FIG. 1 is a schematic diagram of a large-caliber liquid nitrogen tank according to the utility model;

FIG. 2 is a schematic cross-sectional view of a large caliber liquid nitrogen tank of the present utility model;

FIG. 3 is a schematic view of the structure of the placement frame and the cover of FIG. 2;

in the figure: 1-tank body, 2-base, 3-tank mouth, 4-annular track, 5-rail wheel, 6-mount pad, 7-fixed upright, 8-rotation upright, 9-bottom plate, 10-riser, 11-handle, 12-sheath, 13-closing cap, 14-annular groove, 15-apron, 16-baffle, 17-string knot.

Description of the embodiments

The large-caliber liquid nitrogen tank of the utility model is described in more detail below by means of specific embodiments with reference to the accompanying drawings.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1-2, the large-caliber liquid nitrogen tank of the embodiment is characterized in that a tank opening is formed in one side of the top of the tank body and is matched with a placing frame and a sealing cover in the tank body, so that the contact between nitrogen in the tank body and external air is reduced, and the energy loss is greatly reduced.

In this embodiment, see fig. 1-3 in detail, a heavy-calibre liquid nitrogen container, including jar body 1, rack and jar mouth 3, jar mouth 3 sets up in jar body 1 top one side, rack swivelling joint is in jar body 1, jar body 1 bottom and top center fixedly connected with mount pad 6 respectively, fixedly connected with stand 7 between two mount pads 6, the cover is equipped with hollow rotatory stand 8 in the stand 7 outside, the rack passes through rotatory stand 8 and the fixed stand 7 swivelling joint in jar body center, the rack includes bottom plate 9 and riser 10, bottom plate 9 and riser 10 all with rotatory stand 8 fixed connection, jar body 1 bottom is provided with annular track 4, installs the rail wheel 5 with annular track 4 assorted below the bottom plate 9 of rack for support the rack, make things convenient for the rack to rotate around the stand, and can alleviate wearing and tearing between rotatory stand and the stand.

In this embodiment, see fig. 3 in detail, the vertical plate 10 is uniformly arranged on the bottom plate 9, equally dividing the tank body into four placing cavities, the top of the vertical plate 10 is provided with the handle 11 for manually rotating the placing frame, the handle 11 is sleeved with the sheath 12, the direct contact between workers and the handle is avoided, the top of the vertical plate 10 is provided with the sealing cover 13, the sealing cover 13 is fixed on the tank body 1 above the vertical plate 10, the middle part of the sealing cover 13 is provided with the ring groove 14 matched with the handle 11, the ring groove 14 of the sealing cover 13 is hinged with the cover plate 15 at the tank opening for sealing and isolating the three placing cavities far away from the tank opening, and the loss in the tank body is reduced.

In this embodiment, see fig. 3 in detail, a separation component is provided between adjacent risers, the separation component includes a partition 16 and a hanging buckle 17, the partition 16 is a retractable fan-shaped plate, one side of the partition 16 is hinged on the riser 10, the hanging buckle 17 matched with the other side of the partition 16 is provided on the adjacent riser 10, the partition 16 is overlapped with the bottom surface of the placing cavity after being unfolded, the other side of the partition 16 is lapped on the hanging buckle 17, the placing cavity can be separated again, the space can be fully utilized, and the articles are prevented from being stacked and extruded.

When the jar cover of jar mouth is opened in the use, rotate the rack to one place the chamber and be located jar mouth position, if need use the baffle, turn over the baffle to upwards earlier, put into the lowermost floor with article, pull out the baffle of shrink again, take on the knot of hanging, continue upwards place article again can, after putting, rotate the handle with next place the chamber rotate to jar mouth department and continue to place article.

When the article is required to be taken out, the placing cavity of the article to be taken out is rotated to the tank opening, so that the article can be taken out, and the other three cavities are very convenient, and the energy loss is reduced due to the sealing cover.

Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, whether direct or indirect.

While the exemplary embodiments of the present utility model have been described in detail with reference to the preferred embodiments, those skilled in the art will appreciate that many changes and modifications can be made to the specific embodiments described above without departing from the spirit of the utility model, and that many combinations of technical features and structures can be made without departing from the scope of the utility model.

Claims (6)

1. The utility model provides a heavy-calibre liquid nitrogen container, includes jar body, rack and jar mouth, its characterized in that: the rack is rotationally connected in the tank body, and the jar mouth sets up in tank body top one side, the rack includes bottom plate and riser, the riser is even to be arranged on the bottom plate, and the handle is installed at the riser top, and the riser top is provided with the closing cap, is provided with separation subassembly between the adjacent riser.

2. The large-caliber liquid nitrogen tank according to claim 1, wherein: the tank body bottom and top center are fixedly connected with mount pad respectively, fixedly connected with fixed stand between two mount pads.

3. The large-caliber liquid nitrogen tank according to claim 1 or 2, characterized in that: the placement frame is rotationally connected with a fixed upright post in the center of the tank body through a rotary upright post, the rotary upright post is a hollow cylinder and is sleeved on the fixed upright post, and the bottom plate and the upright plate are fixedly connected with the rotary upright post.

4. The large-caliber liquid nitrogen tank according to claim 1, wherein: the bottom of the tank body is provided with an annular rail, and rail wheels matched with the annular rail are arranged below the bottom plate of the placing rack.

5. The large-caliber liquid nitrogen tank according to claim 1, wherein: the sealing cover is arranged on the tank body above the vertical plate, the middle part of the sealing cover is provided with an annular groove matched with the handle, and the annular groove of the sealing cover is hinged with a cover plate at the tank opening.

6. The large-caliber liquid nitrogen tank according to claim 1, wherein: the separation assembly comprises a partition plate and hanging buckles, the partition plate is a retractable sector plate, one side of the partition plate is hinged to the vertical plate, and hanging buckles matched with the other side of the partition plate are arranged on the adjacent vertical plates.