CN213178946U - Liquid nitrogen instant freezer - Google Patents
Liquid nitrogen instant freezer Download PDFInfo
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- CN213178946U CN213178946U CN202021906195.3U CN202021906195U CN213178946U CN 213178946 U CN213178946 U CN 213178946U CN 202021906195 U CN202021906195 U CN 202021906195U CN 213178946 U CN213178946 U CN 213178946U
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- liquid nitrogen
- transmission
- instant freezer
- electric fan
- freezing tunnel
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Abstract
The utility model discloses a liquid nitrogen instant freezer, including freezing tunnel and the transmission mesh belt installed in freezing tunnel, the transmission mesh belt is connected with the first motor driving its operation, the liquid nitrogen shower nozzle and the electric fan are installed above the transmission mesh belt in the freezing tunnel, the hot gas shower nozzle of the side-to-electric fan is also installed in the freezing tunnel, the liquid nitrogen instant freezer also includes a central control device, the hot gas shower nozzle is connected with one end of the first electromagnetic valve electrically connected with the central control device, the central control device is also connected with the timer; articles needing to be frozen are placed on a transmission mesh belt at the entrance of the freezing tunnel, the liquid nitrogen spray head and the electric fan continuously operate, the central control device regularly starts the hot air spray head through the feedback of the timer, the hot air spray head regularly sprays hot air to the electric fan to melt frosting and freezing on the electric fan, and the defrosting effect is good, so that the electric fan continuously and normally operates.
Description
Technical Field
The utility model relates to a cryo-preservation apparatus technical field especially relates to a liquid nitrogen frozen machine.
Background
The quick-freezing equipment can be divided into air quick-freezing equipment, ammonia (liquid ammonia) quick-freezing equipment and nitrogen (liquid nitrogen) quick-freezing equipment from the cold sources, and the liquid nitrogen quick-freezing machine is firstly pushed from the aspects of refrigerating speed and environmental protection.
A liquid nitrogen instant freezer is a highly efficient freezing apparatus capable of freezing a large number of products in a short time. It is possible to efficiently and economically freeze various products such as meat, fish, shrimp, balls, vegetables, and prepared foods, dairy products, etc. in various shapes, which are placed inside the instant freezer. The device mainly comprises a freezing tunnel and a transmission mesh belt arranged in the freezing tunnel, wherein a liquid nitrogen nozzle facing the upper part of the transmission mesh belt is arranged at the top of the freezing tunnel, an object needing to be frozen fast is placed on the transmission mesh belt and is driven by the transmission mesh belt to move, and the liquid nitrogen nozzle sprays liquid nitrogen on the object, so that the object is frozen fast.
The skilled person is therefore working to develop a frost-free liquid nitrogen instant freezer.
Disclosure of Invention
In view of the above-mentioned defects in the prior art, the technical problem to be solved by the present invention is to provide a frost-free liquid nitrogen instant freezer.
In order to realize the above purpose, the utility model provides a liquid nitrogen instant freezer, include freezing tunnel and install transmission mesh belt in the freezing tunnel, transmission mesh belt is connected with and drives its moving first motor, be located in the freezing tunnel liquid nitrogen shower nozzle and electric fan are installed to transmission mesh belt's top, it is right still to install the side in the freezing tunnel the steam shower nozzle of electric fan.
The liquid nitrogen instant freezer further comprises a central control device, the hot air spray head is connected with one end of a first electromagnetic valve which is electrically connected with the central control device, and the central control device is further connected with a timer; the other end of the first electromagnetic valve is sequentially connected with a heating device and a first compressed air tank, and the first compressed air tank is provided with a compressed air inlet pipe.
And a gas filter is arranged between the other end of the first electromagnetic valve and the heating device.
The electric fans are symmetrically arranged on two sides of the freezing tunnel respectively, and the hot air nozzles are arranged between the two electric fans.
Two the hot gas shower nozzle is connected in one end that a gas supply was responsible for, the other end that the gas supply was responsible for with first solenoid valve is connected.
A second electromagnetic valve electrically connected with the central control device is arranged between the compressed air inlet pipe and the first compressed air tank.
The freezing tunnel comprises a base and an upper cover covering the base, the transmission mesh belt and the motor are installed on the base, and the liquid nitrogen nozzle, the electric fan and the hot air nozzle are installed on the upper cover.
The electric fan is provided with a third motor installed on the first partition plate, the liquid nitrogen spray head is connected with a liquid nitrogen delivery pipe and a second compressed air tank which are installed on the first partition plate, the liquid nitrogen spray head and a hot gas spray head are arranged below the second partition plate, and the heating device and the first compressed air tank are installed on the first partition plate.
The lateral part of upper cover fixed mounting has the lift section of thick bamboo of vertical trend, install the lead screw in the lift section of thick bamboo, threaded connection has fixed mounting on the lead screw ball nut on the lift section of thick bamboo inner wall, the lead screw is connected with and drives its pivoted power device.
The power device comprises a second motor, a first main transmission shaft, a first transmission reverser, a first three-way transmission reverser, a second transmission shaft and a third transmission reverser; the output shaft of the second motor is connected with the input end of the first transmission commutator, the output end of the first transmission commutator is connected with the input end of the first three-way transmission commutator, three output ends of the first three-way transmission commutator are respectively connected with two second transmission shafts and a first main transmission shaft, the second transmission shafts are connected with the input end of the third transmission commutator, and the output end of the third transmission commutator is connected with the screw rod.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is one of the partial structural schematic diagrams of the present invention;
fig. 3 is a second partial schematic structural view of the present invention;
fig. 4 is a schematic bottom structure of the present invention;
fig. 5 is a partial structural sectional view of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples, wherein it is noted that, in the description of the invention, the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular manner, and therefore should not be construed as limiting the present invention. The terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1 to 5, a liquid nitrogen instant freezer comprises a freezing tunnel and a transmission mesh belt 2 arranged in the freezing tunnel, wherein the transmission mesh belt 2 is connected with a first motor for driving the transmission mesh belt to operate, a liquid nitrogen nozzle 3 and an electric fan 4 are arranged above the transmission mesh belt 2 in the freezing tunnel, a hot gas nozzle 5 which is arranged laterally to the electric fan 4 is also arranged in the freezing tunnel, the liquid nitrogen instant freezer further comprises a central control device, the hot gas nozzle 5 is connected with one end of a first electromagnetic valve 6 electrically connected with the central control device, and the central control device is further connected with a timer; the article that needs freezing is placed on the transmission mesh belt 2 of freezing tunnel entrance, and liquid nitrogen shower nozzle 3 and electric fan 4 continue the operation, and central control unit regularly opens hot gas shower nozzle 5 through the feedback of timer, and hot gas shower nozzle 5 regular is to electric fan 4 blowout hot gas frost and the frosting on melting electric fan 4, and the defrosting is effectual to ensure that the electric fan lasts normal operating.
In this embodiment, the other end of the first electromagnetic valve 6 is connected with a heating device 7 and a first compressed air tank 8 in sequence, the first compressed air tank 8 is provided with a compressed air inlet pipe 9, a gas filter is arranged between the other end of the first electromagnetic valve 6 and the heating device 7, and the gas filter further filters the compressed air heated by the heating device 7 to ensure that the air blown into the freezing tunnel is clean and sanitary.
The two electric fans 4 are symmetrically arranged and are respectively positioned at two sides of the freezing tunnel, and the two hot air nozzles 5 are arranged and are positioned in the middle of the two electric fans 4; the two hot air nozzles 5 are connected to one end of a main air supply pipe 10, the other end of the main air supply pipe 10 is connected with the first electromagnetic valve 6, the two hot air nozzles 5 are not interfered with each other, and hot air can be well blown to the electric fan 4.
A second electromagnetic valve 11 electrically connected with the central control device is arranged between the compressed air inlet pipe 9 and the first compressed air tank 8, and the second electromagnetic valve 11 controls the flow of the gas entering the first compressed air tank 8, so that the safety of the first compressed air tank 8 is ensured.
In the embodiment, the freezing tunnel comprises a base 12 and an upper cover 1 covering the base 12, the transmission mesh belt 2 and the motor are arranged on the base 12, and the liquid nitrogen nozzle 3, the electric fan 4 and the hot air nozzle 5 are arranged on the upper cover 1; the upper cover 1 comprises an outer cover 14, a first partition plate 15 and a second partition plate 16 which are sequentially stacked from outside to inside, the electric fan 4 is provided with a third motor 17 which is arranged on the first partition plate 15, the liquid nitrogen spray head 3 is connected with a liquid nitrogen delivery pipe 18 and a second compressed air tank 19 which are arranged on the first partition plate 15, the liquid nitrogen spray head 3 and the hot air spray head 5 are arranged below the second partition plate 16, the heating device 7 and the first compressed air tank 8 are arranged on the first partition plate 15, a third electromagnetic valve 13 is also arranged between the liquid nitrogen spray head 3 and the liquid nitrogen delivery pipe 18, the third electromagnetic valve 13 controls the opening and closing of the liquid nitrogen spray head 3, and the liquid nitrogen delivery pipe 18 is also provided with a drain valve 29 for draining redundant liquid nitrogen; the outer cover 14, the first partition plate 15 and the second partition plate 16 divide the freezing tunnel into different temperature intervals, and the heat preservation effect is good.
In order to facilitate maintenance, disassembly and assembly of the freezing tunnel, a vertically-oriented lifting cylinder 20 is fixedly mounted on the side part of an upper cover 1, a screw rod 21 is mounted in the lifting cylinder 20, a ball nut 22 fixedly mounted on the inner wall of the lifting cylinder 20 is connected to the screw rod 21 in a threaded manner, and the screw rod 21 is connected with a power device for driving the screw rod 21 to rotate; the power device comprises a second motor 23, a first main transmission shaft 24, a first transmission commutator 25, a first three-way transmission commutator 26, a second transmission shaft 27 and a third transmission commutator 28; the output shaft of the second motor 23 is connected with the input end of a first transmission commutator 25, the output end of the first transmission commutator 25 is connected with the input end of a first three-way transmission commutator 26, three output ends of the first three-way transmission commutator 26 are respectively connected with two second transmission shafts 27 and a first main transmission shaft 24, the second transmission shafts 27 are connected with the input end of a third transmission commutator 28, the output end of the third transmission commutator 28 is connected with a screw rod 21, and the first main transmission shaft 24, the first three-way transmission commutator 26, the second transmission shafts 27 and the third transmission commutator 28 are provided with a plurality of groups with extended arrays according to actual conditions.
The utility model discloses a theory of operation does:
the article that needs freezing is placed on the transmission mesh belt 2 of freezing tunnel entrance, and transmission mesh belt 2 removes under the drive of first motor, and liquid nitrogen shower nozzle 3 spouts into the liquid nitrogen and carries out quick freezing to article, and hot gas shower nozzle 5 melts the frosting on electric fan 4, and defrosting effect is good.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.
Claims (10)
1. The utility model provides a liquid nitrogen frozen machine, includes freezing tunnel and installs transmission mesh belt (2) in the freezing tunnel, transmission mesh belt (2) are connected with and drive its moving first motor, lie in the freezing tunnel the top of transmission mesh belt (2) is installed liquid nitrogen shower nozzle (3) and electric fan (4), characterized by: and a hot air nozzle (5) which faces the electric fan (4) laterally is also arranged in the freezing tunnel.
2. A liquid nitrogen instant freezer as claimed in claim 1 wherein: the hot air spray head (5) is connected with one end of a first electromagnetic valve (6) which is electrically connected with the central control device, and the central control device is also connected with a timer; the other end of the first electromagnetic valve (6) is sequentially connected with a heating device (7) and a first compressed air tank (8), and the first compressed air tank (8) is provided with a compressed air inlet pipe (9).
3. A liquid nitrogen instant freezer as claimed in claim 2 wherein: and a gas filter is arranged between the other end of the first electromagnetic valve (6) and the heating device (7).
4. A liquid nitrogen instant freezer as claimed in claim 2 wherein: the electric fans (4) are symmetrically arranged and are respectively positioned on two sides of the freezing tunnel, and the hot air nozzles (5) are arranged and are positioned between the two electric fans (4).
5. A liquid nitrogen instant freezer as claimed in claim 4 wherein: two hot gas shower nozzle (5) are connected in one end of a gas supply person in charge (10), the gas supply person in charge's (10) the other end with first solenoid valve (6) are connected.
6. A liquid nitrogen instant freezer as claimed in claim 2 wherein: a second electromagnetic valve (11) electrically connected with the central control device is arranged between the compressed air inlet pipe (9) and the first compressed air tank (8).
7. A liquid nitrogen instant freezer as claimed in claim 2 wherein: the freezing tunnel comprises a base (12) and an upper cover (1) covering the base (12), the transmission mesh belt (2) and the motor are installed on the base (12), and the liquid nitrogen spray head (3), the electric fan (4) and the hot air spray head (5) are installed on the upper cover (1).
8. The liquid nitrogen instant freezer as claimed in claim 7, characterized in that: the upper cover (1) comprises an outer cover (14), a first partition plate (15) and a second partition plate (16) which are sequentially stacked from outside to inside, the electric fan (4) is provided with a third motor (17) installed on the first partition plate (15), the liquid nitrogen spray head (3) is connected with a liquid nitrogen conveying pipe (18) and a second compressed air tank (19) which are installed on the first partition plate (15), the liquid nitrogen spray head (3) and the hot air spray head (5) are arranged below the second partition plate (16), and the heating device (7) and the first compressed air tank (8) are installed on the first partition plate (15).
9. The liquid nitrogen instant freezer as claimed in claim 7, characterized in that: the lateral part fixed mounting of upper cover (1) has a lift section of thick bamboo (20) of vertical trend, install lead screw (21) in the lift section of thick bamboo (20), threaded connection has fixed mounting on lead screw (21) ball nut (22) on lift section of thick bamboo (20) inner wall, lead screw (21) are connected with and drive its pivoted power device.
10. A liquid nitrogen instant freezer as claimed in claim 9 wherein: the power device comprises a second motor (23), a first main transmission shaft (24), a first transmission commutator (25), a first three-way transmission commutator (26), a second transmission shaft (27) and a third transmission commutator (28); the output shaft of the second motor (23) is connected with the input end of the first transmission commutator (25), the output end of the first transmission commutator (25) is connected with the input end of the first three-way transmission commutator (26), three output ends of the first three-way transmission commutator (26) are respectively connected with two second transmission shafts (27) and a first main transmission shaft (24), the second transmission shafts (27) are connected with the input end of the third transmission commutator (28), and the output end of the third transmission commutator (28) is connected with the screw rod (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021906195.3U CN213178946U (en) | 2020-09-02 | 2020-09-02 | Liquid nitrogen instant freezer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021906195.3U CN213178946U (en) | 2020-09-02 | 2020-09-02 | Liquid nitrogen instant freezer |
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| Publication Number | Publication Date |
|---|---|
| CN213178946U true CN213178946U (en) | 2021-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021906195.3U Active CN213178946U (en) | 2020-09-02 | 2020-09-02 | Liquid nitrogen instant freezer |
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| CN (1) | CN213178946U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115183513A (en) * | 2022-07-21 | 2022-10-14 | 绍兴老鹰冷冻设备有限公司 | Ultra-low temperature tunnel type instant freezer for cold chain fresh-keeping and quick freezing |
-
2020
- 2020-09-02 CN CN202021906195.3U patent/CN213178946U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115183513A (en) * | 2022-07-21 | 2022-10-14 | 绍兴老鹰冷冻设备有限公司 | Ultra-low temperature tunnel type instant freezer for cold chain fresh-keeping and quick freezing |
| CN115183513B (en) * | 2022-07-21 | 2023-12-15 | 绍兴老鹰冷冻设备有限公司 | Ultralow-temperature tunnel type instant freezer for cold chain fresh-keeping and quick freezing |
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