Liquid nitrogen spraying instant freezer for squid rings
By combining a V-shaped jet nozzle and a hollow spiral conveyor frame with a liquid nitrogen storage cylinder nozzle, the problems of temperature difference and adhesion during the freezing process of squid rings are solved, achieving uniform freezing and aesthetic protection.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-09
- Publication Date
- 2026-03-27
AI Technical Summary
Existing liquid nitrogen freezing equipment for squid rings has problems such as temperature differences causing ice crystals to pierce muscle fibers, poor quick-freezing effect, and squid rings sticking to the conveyor rack, affecting their appearance.
The system employs a V-shaped jet nozzle and a hollow spiral conveyor frame combined with a liquid nitrogen storage cylinder nozzle to create a low-temperature mist for uniform freezing. The scraping structure also prevents the squid rings from sticking to the conveyor frame.
This method achieves uniform freezing of squid rings, improves the quick-freezing effect, maintains an attractive appearance, and avoids the problem of ice crystals piercing muscle fibers.
Smart Images

Figure CN224050738U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to squid food processing technical field, specifically, relate to a kind of squid ring liquid nitrogen spray quick freezer. BACKGROUND
[0002] In food processing industry, squid ring is as a kind of popular seafood, needs to be frozen quickly in processing process, to keep its freshness and quality;Liquid nitrogen spray quick freezer is as a kind of efficient freezing equipment, is widely applied in food quick freezing field.
[0003] Prior art discloses a kind to be frozen to water product spiral liquid nitrogen equipment (CN221076869U), including freezer and the two cabinet doors being set on freezer, two cabinet doors are rotatably connected with freezer by hinge, two cabinet doors are equipped with handle, freezer is equipped with conveyor belt in, the side of freezer is equipped with shovel mechanism, shovel mechanism includes shovel plate for shovel condensation water product on conveyor belt, the utility model uses compression spring, by the reset characteristic of spring extrusion shovel plate closely adhering to conveyor belt, by spring buffering, the friction between shovel plate and conveyor belt can be effectively slowed down, condensation water product on conveyor belt passes through shovel plate, shovel plate will be inserted between water product and conveyor belt, and then water product is separated from conveyor belt, facilitate the transportation of water product, adopt spiral conveying frame and conveyor belt cooperation to convey water product, increase the conveying period of water product, so that the freezing time of water product is lengthened, improve the freezing effect of water product.
[0004] After searching, it is found that the liquid nitrogen storage tank of prior art is arranged at the two sides of spiral conveying frame, and the vertical spraying on the two sides causes temperature difference inside and outside squid ring, ice crystals are easy to pierce the muscle fiber of squid ring, causing taste loss, and at the same time, leading to poor quick freezing effect, furthermore, the surface of spiral conveying frame and conveyor belt is mostly plane, and the contact surface with squid ring is high in adhesion, which is easy to cause the collapse of ring structure under the impact of liquid nitrogen, affecting the appearance of squid ring.
[0005] Therefore, the utility model is proposed. UTILITY MODEL CONTENT
[0006] To solve the above technical problems, the basic idea of the technical scheme of the utility model is:
[0007] A kind of squid ring liquid nitrogen spray quick freezer, including
[0008] The utility model provides a freeze tank, the top surface of freeze tank is matched with the tank cover, is equipped with the conveyer belt in freeze tank, one side of freeze tank is fixedly arranged with liquid nitrogen storage tank, the top surface of tank cover is fixedly arranged with the feed pump, is fixedly arranged with liquid nitrogen delivery pipe between feed pump and liquid nitrogen storage tank, feed pump communicates with liquid nitrogen storage tank through liquid nitrogen delivery pipe, freeze tank communicates with liquid nitrogen storage tank through liquid nitrogen delivery pipe, be fixedly arranged with a plurality of jet pipes in freeze tank, be provided with spiral conveying frame in freeze tank, spiral conveying frame is sleeved with liquid nitrogen storage cylinder, be fixedly arranged with a plurality of nozzles on liquid nitrogen storage cylinder,
[0009] The utility model provides a freeze tank, the top surface of freeze tank is matched with the tank cover, is equipped with the conveyer belt in freeze tank, one side of freeze tank is fixedly arranged with liquid nitrogen storage tank, the top surface of tank cover is fixedly arranged with the feed pump, is fixedly arranged with liquid nitrogen delivery pipe between feed pump and liquid nitrogen storage tank, feed pump communicates with liquid nitrogen storage tank through liquid nitrogen delivery pipe, freeze tank communicates with liquid nitrogen storage tank through liquid nitrogen delivery pipe, be fixedly arranged with a plurality of jet pipes in freeze tank, be provided with spiral conveying frame in freeze tank, spiral conveying frame is sleeved with liquid nitrogen storage cylinder, be fixedly arranged with a plurality of nozzles on liquid nitrogen storage cylinder,
[0010] As a preferred embodiment of the utility model, the top surface of the tank cover is fixedly provided with an inlet pipe, the liquid nitrogen delivery pipe is a Y-shaped pipe, a heat preservation cavity is formed in the interior of the freeze tank, the output end of the feed pump is connected to the top end of the liquid nitrogen storage cylinder, one end of the liquid nitrogen delivery pipe communicates with the liquid nitrogen storage cylinder through the feed pump, and the other end of the liquid nitrogen delivery pipe communicates with the heat preservation cavity.
[0011] As a preferred embodiment of the utility model, a plurality of groups of jet pipes are circumferentially arranged on the inner wall surface of the freeze tank, each group of jet pipes is composed of two V-shaped jet pipes, and the jet pipes communicate with the heat preservation cavity.
[0012] As a preferred embodiment of the utility model, a plurality of nozzles are annularly arranged on the liquid nitrogen storage cylinder, the spiral conveying frame is a hollow structure, and the nozzles communicate with the liquid nitrogen storage cylinder.
[0013] As a preferred embodiment of the utility model, three movable grooves are vertically arranged on the inner wall surface of the freeze tank, one scraper is fixedly arranged in each movable groove, and the scraper is slidingly arranged between the movable groove and the shaft rod.
[0014] As a preferred embodiment of the utility model, the scraper is composed of an F-shaped frame and a triangular strip, the triangular strip is attached to the wall surface of the spiral conveying frame, and the F-shaped frame slides between the movable groove and the shaft rod.
[0015] As a preferred embodiment of the utility model, a spring is arranged on each of the upper side and the lower side of the F-shaped frame, the spring is located between the scraper and the movable groove, the spring is sleeved on the shaft rod, and the scraper is elastically connected to the shaft rod through the springs on both sides.
[0016] Compared with the prior art, the utility model has the following beneficial effects:
[0017] 1. by two V-shaped setting of each group of jet pipe in the jet pipe, with cross jet spray mode, impact freezing for the inner arc surface and bottom of squid ring, at the same time, the nozzle on the liquid nitrogen storage cylinder is arranged in ring, covering the outer arc surface and top of squid ring, the spiral conveying frame is set to hollow structure, so that in the process of liquid nitrogen spraying, low temperature mist is formed in the freezing tank, thereby spraying and freezing squid ring from many aspects, realizing uniform coverage spraying to improve the quick freezing effect.
[0018] 2. by setting the scraping structure, the scraping frame is elastically arranged on the inner wall of the freezing tank, while the spiral conveying frame spirally conveys the squid ring, the scraping frame elastically moves on the wall surface of the spiral conveying frame, and the squid ring on the spiral conveying frame is scraped off, so that the adhesion of the squid ring to the surface of the spiral conveying frame after freezing is avoided, and the appearance of the squid ring is protected.
[0019] The specific embodiments of the utility model will be further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS
[0020] In the drawings:
[0021] Figure 1 It is the whole schematic view of the utility model;
[0022] Figure 2 It is the internal section view schematic view of the freezing tank of the utility model;
[0023] Figure 3 It is the partial structure section view schematic view of the utility model;
[0024] Figure 4 It is the exploded schematic view of the spray pipe and spiral conveying frame of the utility model;
[0025] Figure 5 It is the utility model Figure 3 The enlarged schematic view of A in the utility model.
[0026] In the drawing: 10, freezing tank; 11, tank cover; 12, conveying belt; 13, feed pipe; 14, material pump; 15, liquid nitrogen conveying pipe; 16, liquid nitrogen storage tank; 17, heat preservation cavity; 18, jet pipe; 19, liquid nitrogen storage cylinder; 20, nozzle; 21, spiral conveying frame; 22, scraping frame; 23, movable groove; 24, shaft; 25, spring. DETAILED DESCRIPTION
[0027] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model more clear, the technical scheme in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the utility model, and the following embodiments are used to illustrate the utility model.
[0028] A squid ring liquid nitrogen spray quick freezer, as shown in Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5
[0029] As shown in
[0030] The freezing tank 10 is engaged with the tank cover 11 on the top surface, the conveying belt 12 is arranged in the freezing tank 10, the liquid nitrogen storage tank 16 is fixedly arranged on one side of the freezing tank 10, the feed pump 14 is fixedly arranged on the top surface of the tank cover 11, the liquid nitrogen conveying pipe 15 is fixedly arranged between the feed pump 14 and the liquid nitrogen storage tank 16, the feed pump 14 communicates with the liquid nitrogen storage tank 16 through the liquid nitrogen conveying pipe 15, the freezing tank 10 communicates with the liquid nitrogen storage tank 16 through the liquid nitrogen conveying pipe 15, a plurality of jet nozzles 18 are fixedly arranged in the freezing tank 10, the spiral conveying frame 21 is arranged in the freezing tank 10, the liquid nitrogen storage cylinder 19 is sleeved in the spiral conveying frame 21, and a plurality of nozzles 20 are fixedly arranged on the liquid nitrogen storage cylinder 19;
[0031] As shown in Figure 1 and Figure 2 The feed pipe 13 is fixedly arranged on the top surface of the tank cover 11, the liquid nitrogen conveying pipe 15 is a Y-shaped pipe, the heat preservation cavity 17 is arranged in the freezing tank 10, the output end of the feed pump 14 is connected to the top end of the liquid nitrogen storage cylinder 19, one end of the liquid nitrogen conveying pipe 15 communicates with the liquid nitrogen storage cylinder 19 through the feed pump 14, and the other end of the liquid nitrogen conveying pipe 15 communicates with the heat preservation cavity 17;
[0032] As shown in Figure 1 、 Figure 2 and Figure 3 A plurality of groups of jet nozzles 18 are circumferentially arranged on the inner wall surface of the freezing tank 10, each group of jet nozzles 18 is composed of two V-shaped nozzles, and the jet nozzles 18 communicate with the heat preservation cavity 17;
[0033] As shown in Figure 2 、 Figure 3 and Figure 4 A plurality of nozzles 20 are annularly arranged on the liquid nitrogen storage cylinder 19, the spiral conveying frame 21 is a hollow structure, and the nozzles 20 communicate with the liquid nitrogen storage cylinder 19.
[0034] Specifically, the conveying belt 12 is provided with a discharge pipe at the connection with the freezing tank 10, the conveying belt 12 is located in the discharge pipe, the squid ring is placed from the feeding pipe 13 to the spiral conveying frame 21, when the spiral conveying frame 21 is spirally conveyed, the annular array type distributed nozzle 20 adopts an atomizing spray head, the liquid nitrogen in the liquid nitrogen conveying pipe 15 is pressurized and sprayed out by the conveying pump 14, is atomized and sprayed out through the nozzle 20, and then covers the outer arc surface and the top of the squid ring through the hollow spiral conveying frame 21 to form a low-temperature mist curtain; in the process of spiral conveying of the spiral conveying frame 21 driven by the squid ring, the V-shaped inclined jet pipe 18 impacts the inner arc surface and the bottom of the squid ring, the jet pipe 18 is combined with the atomizing spray of the nozzle 20 to provide a low-temperature environment in the freezing tank 10, so that uniform covering spraying is realized and the quick-freezing effect is improved.
[0035] It is worth noting that the spiral conveying frame 21 conveys the material in the freezing tank 10, and the conveying belt 12 is used for outputting the material. The conveying belt 12 and the spiral conveying frame 21 used in the device are disclosed in detail in the prior art one kind of aquatic product spiral type liquid nitrogen freezing equipment (CN221076869U), and will not be repeated here.
[0036] The scraping structure is movably arranged in the freezing tank 10, and the scraping structure includes a scraping frame 22 and a shaft rod 24. The shaft rod 24 is fixedly arranged in the freezing tank 10, and the scraping frame 22 is movably arranged between the freezing tank 10 and the shaft rod 24. The scraping frame 22 is slidably arranged on the wall surface of the spiral conveying frame 21.
[0037] As shown in Figure 3 and Figure 5 , three movable grooves 23 are vertically arranged on the inner wall surface of the freezing tank 10. One scraping frame 22 is fixedly arranged in each movable groove 23. The scraping frame 22 is slidably arranged between the movable groove 23 and the shaft rod 24.
[0038] As shown in Figure 3 and Figure 5 , the scraping frame 22 is composed of an F-shaped frame and a triangular strip. The triangular strip is attached to the wall surface of the spiral conveying frame 21, and the F-shaped frame slides between the movable groove 23 and the shaft rod 24.
[0039] As shown in Figure 5 , one spring 25 is arranged on each side of the F-shaped frame. The spring 25 is located between the scraping frame 22 and the movable groove 23, and the spring 25 is sleeved on the shaft rod 24. The scraping frame 22 is elastically connected to the shaft rod 24 through the springs 25 on both sides.
[0040] Specifically, in use, the squid ring is placed on the spiral conveying frame 21 from the feeding pipe 13, the liquid nitrogen in the liquid nitrogen conveying pipe 15 is pumped by the feeding pump 14, and the liquid nitrogen conveying pipe 15 delivers the liquid nitrogen into the heat preservation cavity 17 to cool the whole freezing tank 10, the liquid nitrogen is sprayed out through the jet pipe 18, the liquid nitrogen in the liquid nitrogen storage cylinder 19 is pressurized and delivered by the feeding pump 14, the nozzle 20 and the jet pipe 18 spray out the liquid nitrogen at the same time, when the squid ring is spirally conveyed on the spiral conveying frame 21, it can be rapidly frozen under the mist curtain of the liquid nitrogen, and when the frozen squid ring passes through the scraping frame 22, it is scraped off the wall surface of the spiral conveying frame 21 by the triangular strips, and at the same time, the scraping frame 22 is adapted to the spiral movement of the spiral conveying frame 21 under the cooperation of the spring 25, after the spiral conveying, the squid ring is discharged when passing through the conveying belt 12.
[0041] It can be understood that the utility model is described through some embodiments, and those skilled in the art know that various changes or equivalent replacements can be made to these features and embodiments without departing from the spirit and scope of the utility model. In addition, under the guidance of the utility model, these features and embodiments can be modified to adapt to specific conditions and materials without departing from the spirit and scope of the utility model. Therefore, the utility model is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application belong to the scope protected by the utility model.
Claims
1. A squid ring liquid nitrogen spray freezer characterized by, Comprising The top surface of the freezing tank (10) is hingedly connected with a tank cover (11), a conveying belt (12) is arranged in the freezing tank (10), a liquid nitrogen storage tank (16) is fixedly arranged on one side of the freezing tank (10), a material feeding pump (14) is fixedly arranged on the top surface of the tank cover (11), a liquid nitrogen conveying pipe (15) is fixedly arranged between the material feeding pump (14) and the liquid nitrogen storage tank (16), the material feeding pump (14) is communicated with the liquid nitrogen storage tank (16) through the liquid nitrogen conveying pipe (15), the freezing tank (10) is communicated with the liquid nitrogen storage tank (16) through the liquid nitrogen conveying pipe (15), a plurality of jet pipes (18) are fixedly arranged in the freezing tank (10), a spiral conveying frame (21) is arranged in the freezing tank (10), a liquid nitrogen storage cylinder (19) is sleeved in the spiral conveying frame (21), and a plurality of nozzles (20) are fixedly arranged on the liquid nitrogen storage cylinder (19). A material scraping structure is movably arranged in the freezing tank (10), the material scraping structure comprises a scraping frame (22) and a shaft rod (24), the shaft rod (24) is fixedly arranged in the freezing tank (10), and the scraping frame (22) is movably arranged between the freezing tank (10) and the shaft rod (24). The scraping frame (22) is slidably arranged on the wall surface of the spiral conveying frame (21).
2. The squid ring liquid nitrogen spray freezer according to claim 1, wherein, The top surface of the tank cover (11) is fixedly provided with a feeding pipe (13), the liquid nitrogen conveying pipe (15) is a Y-shaped pipe, the inside of the freezing tank (10) is provided with a heat preservation cavity (17), the output end of the material feeding pump (14) is connected to the top end of the liquid nitrogen storage cylinder (19), one end of the liquid nitrogen conveying pipe (15) is communicated with the liquid nitrogen storage cylinder (19) through the material feeding pump (14), and the other end of the liquid nitrogen conveying pipe (15) is communicated with the heat preservation cavity (17).
3. The squid ring liquid nitrogen spray freezer of claim 2, wherein, A plurality of groups of jet pipes (18) are circumferentially arranged on the inner wall surface of the freezing tank (10), each group of the jet pipes (18) comprises two V-shaped jet pipes, and the jet pipes (18) are communicated with the heat preservation cavity (17).
4. The squid ring liquid nitrogen spray freezer of claim 2, wherein, A plurality of nozzles (20) are annularly arranged on the liquid nitrogen storage cylinder (19), the spiral conveying frame (21) is a hollow structure, and the nozzles (20) are communicated with the liquid nitrogen storage cylinder (19).
5. The squid ring liquid nitrogen spray freezer of claim 1, wherein, Three movable grooves (23) are vertically arranged on the inner wall surface of the freezing tank (10), one scraping frame (22) is fixedly arranged in each movable groove (23), and the scraping frame (22) is slidably arranged between the movable groove (23) and the shaft rod (24).
6. A squid ring liquid nitrogen spray freezer according to claim 5, wherein, The scraping frame (22) comprises an F-shaped frame and a triangular strip, the triangular strip is attached to the wall surface of the spiral conveying frame (21), and the F-shaped frame slides between the movable groove (23) and the shaft rod (24).
7. A squid ring liquid nitrogen spray freezer according to claim 6, wherein A spring (25) is arranged on each of the upper side and the lower side of the F-shaped frame, the spring (25) is located between the scraping frame (22) and the movable groove (23), the spring (25) is sleeved on the shaft rod (24), and the scraping frame (22) is elastically connected with the shaft rod (24) through the springs (25) on the two sides.
Citation Information
Patent Citations
Spiral liquid nitrogen freezing equipment for aquatic products
CN221076869U