CN218645827U

CN218645827U - A cold storage plant for tuna

Info

Publication number: CN218645827U
Application number: CN202223173408.8U
Authority: CN
Inventors: 林柏润; 陈嘉男
Original assignee: Fujian Tianyang Food Co ltd
Current assignee: Fujian Tianyang Food Co ltd
Priority date: 2022-11-29
Filing date: 2022-11-29
Publication date: 2023-03-17
Anticipated expiration: 2032-11-29

Abstract

The utility model discloses a refrigerating plant for tuna, which comprises a box body mechanism for storing and preserving heat of the tuna and two refrigerating mechanisms symmetrically arranged on two sides of the bottom for freezing the tuna, wherein the refrigerating mechanisms are arranged on two sides of the box body mechanism, and a collecting mechanism for collecting and storing nitrogen is arranged at the top of the box body mechanism; the refrigerating mechanism comprises a liquid nitrogen tank, a first air inlet pipe is arranged on one side of the liquid nitrogen tank, a first sleeve is installed in the first air inlet pipe, and a first control valve is installed in the middle of the first sleeve. The utility model discloses a cold storage plant for tuna, 1, through the setting of freezing of bottom both sides, liquid nitrogen evaporates in the bottom of the storage tank, has accelerated the frozen speed of tuna; 2. through the arrangement of liquid nitrogen freezing, the oxidation degree of the tuna is reduced, and the preservation effect of the tuna is improved; 3. through the setting of collecting nitrogen gas, make things convenient for the staff to the recycle of nitrogen gas.

Description

A cold storage plant for tuna

Technical Field

The utility model belongs to the cold-stored field of tuna especially relates to a cold storage plant for tuna.

Background

With the improvement of living standard of people, people have higher and higher requirements on the freshness of food, tuna is regarded as food with rich nutrition and delicious taste, the preservation is more important, and freezing and refrigeration are one of the methods for preserving the freshness of the tuna. The temperature adopted during freezing is lower (-25-5 ℃), and the method can inhibit the activity of protease and improve the refreshing time during freezing.

However, in the prior art, the refrigeration devices for tuna: 1. the freezing speed of the tuna is low by freezing the whole space in the box body; 2. the tuna is frozen by using the condenser, so that the oxidation degree is increased, and the preservation effect is poor; 3. the nitrogen is directly put in the air, and the nitrogen cannot be recycled.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cold storage plant for tuna 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:

a refrigerating device for tunas comprises a box body mechanism for storing and preserving heat of the tunas and two refrigerating mechanisms symmetrically arranged and used for freezing the tunas from two sides of the bottom, wherein the refrigerating mechanisms are arranged on two sides of the box body mechanism, and a collecting mechanism used for collecting and storing nitrogen is arranged at the top of the box body mechanism; the refrigeration mechanism comprises a liquid nitrogen tank, a first air inlet pipe is arranged on one side of the liquid nitrogen tank, a first sleeve is arranged on the first air inlet pipe, a first control valve is arranged in the middle of the first sleeve, a first exhaust pipe is arranged at the top of the liquid nitrogen tank, and a second control valve is arranged in the middle of the first exhaust pipe; the collecting mechanism comprises a collecting box, a second air inlet pipe is mounted in front of the collecting box, a suction pump is mounted in the middle of the second air inlet pipe, a second exhaust pipe is mounted on one side of the second air inlet pipe, a second sleeve is mounted on the second exhaust pipe, and a third control valve is mounted in the middle of the second sleeve.

Further: the box mechanism comprises a machine box body, a foam plate is filled in the middle of the machine box body, a storage groove is formed in the machine box body, a support column is arranged on one side of the machine box body, two hinges are symmetrically arranged on one side, away from the support column, of the machine box body in an up-and-down mode, a box door is arranged on one side of each hinge, a hook is rotatably installed on one side of the box door, a handle is arranged in front of the box door, and a sealing ring is installed on the back of the box door.

Further: the liquid nitrogen tank is cylindrical.

Further: the first air inlet pipe is in threaded connection with the liquid nitrogen tank, and the second air outlet pipe is in threaded connection with the collecting box.

Further: the sealing ring is rectangular.

Further: the collecting box is connected with the case body through bolts, and the supporting columns are connected with the case body in a welded mode.

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

1. through the arrangement of freezing on two sides of the bottom, liquid nitrogen is evaporated at the bottom of the storage tank, so that the freezing speed of the tuna is accelerated;

2. through the arrangement of liquid nitrogen freezing, the oxidation degree of the tuna is reduced, and the preservation effect of the tuna is improved;

3. through the setting of collecting nitrogen gas, make things convenient for the staff to the recycle of nitrogen gas.

Drawings

Fig. 1 is a schematic structural view of a refrigerating apparatus for tuna according to the present invention;

fig. 2 is a schematic diagram of a box mechanism of a refrigerating device for tuna according to the present invention;

fig. 3 is a schematic view of a refrigerating mechanism of the refrigerating apparatus for tuna according to the present invention;

fig. 4 is a schematic view of a collecting mechanism of the refrigerating device for tuna according to the present invention.

In the reference symbols: 1. a box mechanism; 101. a case body; 102. a foam board; 103. a storage tank; 104. a support pillar; 105. a hinge; 106. a box door; 107. a seal ring; 108. a handle; 109. hooking; 2. a refrigeration mechanism; 201. a liquid nitrogen tank; 202. a first intake pipe; 203. a first sleeve; 204. a first control valve; 205. a first exhaust pipe; 206. a second control valve; 3. a collection mechanism; 301. a collection box; 302. a second exhaust pipe; 303. a second sleeve; 304. a third control valve; 305. a second intake pipe; 306. an aspirator pump.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

Referring to fig. 1-4, a refrigerating apparatus for tuna comprises a box mechanism 1 for storing and preserving heat of the tuna, and further comprises two refrigerating mechanisms 2 symmetrically arranged for freezing the tuna from two sides of the bottom, wherein the refrigerating mechanisms 2 are arranged at two sides of the box mechanism 1, and a collecting mechanism 3 for collecting and storing nitrogen is installed at the top of the box mechanism 1.

In this embodiment: the box body mechanism 1 comprises a box body 101, a foam plate 102 is filled in the middle of the box body 101, a storage groove 103 is arranged in the box body 101, a support column 104 is arranged on one side of the box body 101, two hinges 105 are symmetrically arranged on the side, away from the support column 104, of the box body 101, a box door 106 is arranged on one side of each hinge 105, a hook 109 is rotatably arranged on one side of the box door 106, a handle 108 is arranged in front of the box door 106, a sealing ring 107 is arranged on the back of the box door 106, the sealing ring 107 is rectangular, the support column 104 is connected with the box body 101 in a welding manner, tunas are placed into the storage groove 103, the box door 106 is pushed by the handle 108 to rotate and close the box body 101 through the hinge 105, the sealing ring 107 seals a gap between the box door 106 and the box body 101, and the rotating hook 109 is hung on the support column 104 to prevent the box door 106 from rotating;

in this embodiment: the refrigerating mechanism 2 comprises a liquid nitrogen tank 201, a first air inlet pipe 202 is arranged on one side of the liquid nitrogen tank 201, a first sleeve 203 is arranged on the first air inlet pipe 202, a first control valve 204 is arranged in the middle of the first sleeve 203, a first exhaust pipe 205 is arranged at the top of the liquid nitrogen tank 201, a second control valve 206 is arranged in the middle of the first exhaust pipe 205, the liquid nitrogen tank 201 is cylindrical, the first air inlet pipe 202 is in threaded connection with the liquid nitrogen tank 201, the second control valve 206 is opened, and liquid nitrogen enters the fast-freezing tuna from the two liquid nitrogen tanks 201 through the first exhaust pipe 205 from the two sides of the bottom of the storage tank 103 by utilizing the pressure difference between the liquid nitrogen tank 201 and the atmosphere, so that the preservation effect is improved;

in this embodiment: the collecting mechanism 3 comprises a collecting box 301, a second air inlet pipe 305 is installed in the front of the collecting box 301, a suction pump 306 is installed in the middle of the second air inlet pipe 305, a second air outlet pipe 302 is installed on one side of the second air inlet pipe 305, a second sleeve pipe 303 is installed on the second air outlet pipe 302, a third control valve 304 is installed in the middle of the second sleeve pipe 303, the second air outlet pipe 302 is in threaded connection with the collecting box 301, the collecting box 301 is in bolted connection with the machine box body 101, meanwhile, the suction pump 306 sucks liquid nitrogen evaporated in the machine box body 101 into the collecting box 301 through the second air inlet pipe 305, and recycling of the nitrogen is facilitated.

The working principle is as follows: the tuna is put into the storage tank 103, the box door 106 is pushed by the handle 108 to be supported by the hinge 105 to rotate and close the case body 101, the sealing ring 107 seals a gap between the box door 106 and the case body 101, the rotating hook 109 is hung on the supporting column 104 to prevent the box door 106 from rotating, the second control valve 206 is opened, the liquid nitrogen enters the fast-freezing tuna from two sides of the bottom of the storage tank 103 through the first exhaust pipe 205 by utilizing the pressure difference between the liquid nitrogen tank 201 and the atmosphere, the preservation effect is improved, the foam board 102 keeps the temperature of the case body 101 warm, meanwhile, the air suction pump 306 sucks the evaporated liquid nitrogen in the case body 101 into the collection box 301 through the second intake pipe 305, the recycling of the nitrogen is facilitated, after the tuna in the case body 101 is frozen, the second control valve 206 is closed, when the liquid nitrogen in the liquid nitrogen tank 201 runs out, the liquid nitrogen supplementing device is connected with the first intake pipe 202 through the first sleeve 203, the first control valve 204 is opened to supplement the liquid nitrogen to the liquid nitrogen tank 201 through the first intake pipe 202, when the collection box 301 is fully collected, the external collection device is connected with the second sleeve 303, and the second exhaust pipe 302 is opened to discharge the third exhaust pipe 302 to discharge the nitrogen discharge control exhaust pipe 304.

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. A cold storage plant for tuna, includes box mechanism (1) that is used for depositing the tuna and keeps warm, its characterized in that: the device is characterized by also comprising two refrigeration mechanisms (2) which are symmetrically arranged and used for freezing tunas from two sides of the bottom, wherein the refrigeration mechanisms (2) are arranged at two sides of the box body mechanism (1), and a collection mechanism (3) for collecting and storing nitrogen is arranged at the top of the box body mechanism (1);

the refrigeration mechanism (2) comprises a liquid nitrogen tank (201), a first air inlet pipe (202) is arranged on one side of the liquid nitrogen tank (201), a first sleeve pipe (203) is installed on the first air inlet pipe (202), a first control valve (204) is installed in the middle of the first sleeve pipe (203), a first exhaust pipe (205) is installed at the top of the liquid nitrogen tank (201), and a second control valve (206) is installed in the middle of the first exhaust pipe (205);

the collecting mechanism (3) comprises a collecting box (301), a second air inlet pipe (305) is installed in front of the collecting box (301), a suction pump (306) is installed in the middle of the second air inlet pipe (305), a second air outlet pipe (302) is installed on one side of the second air inlet pipe (305), a second sleeve pipe (303) is installed on the second air outlet pipe (302), and a third control valve (304) is installed in the middle of the second sleeve pipe (303).

2. A cold storage device for tuna according to claim 1, characterized in that: the box mechanism (1) comprises a box body (101), a foam plate (102) is filled in the middle of the box body (101), a storage groove (103) is formed in the box body (101), a supporting column (104) is arranged on one side of the box body (101), two hinges (105) are symmetrically arranged on one side, far away from the supporting column (104), of the box body (101), a box door (106) is arranged on one side of each hinge (105), a hook (109) is rotatably arranged on one side of the box door (106), a handle (108) is arranged in front of the box door (106), and a sealing ring (107) is arranged on the back of the box door (106).

3. A cold storage device for tuna according to claim 1, characterized in that: the liquid nitrogen tank (201) is cylindrical in shape.

4. A cold storage device for tuna according to claim 1, characterized in that: the first air inlet pipe (202) is in threaded connection with the liquid nitrogen tank (201), and the second air outlet pipe (302) is in threaded connection with the collection box (301).

5. A cold storage device for tuna according to claim 2, characterized in that: the sealing ring (107) is rectangular.

6. A cold storage device for tuna according to claim 2, characterized in that: the collecting box (301) is connected with the machine box body (101) through bolts, and the supporting column (104) is connected with the machine box body (101) in a welded mode.