CN219741730U - Aquatic product liquid nitrogen quick cooling device - Google Patents
Aquatic product liquid nitrogen quick cooling device Download PDFInfo
- Publication number
- CN219741730U CN219741730U CN202320755980.0U CN202320755980U CN219741730U CN 219741730 U CN219741730 U CN 219741730U CN 202320755980 U CN202320755980 U CN 202320755980U CN 219741730 U CN219741730 U CN 219741730U
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- Prior art keywords
- liquid nitrogen
- quick
- plate
- conveying belt
- pipe
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 108
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 54
- 239000007788 liquid Substances 0.000 title claims abstract description 52
- 238000001816 cooling Methods 0.000 title claims abstract description 15
- 238000005507 spraying Methods 0.000 claims abstract description 50
- 238000007710 freezing Methods 0.000 claims abstract description 49
- 238000001514 detection method Methods 0.000 claims abstract description 18
- 239000007921 spray Substances 0.000 claims description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 24
- 230000008014 freezing Effects 0.000 claims description 22
- 239000000110 cooling liquid Substances 0.000 claims 1
- 239000002699 waste material Substances 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 241000251468 Actinopterygii Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Abstract
The utility model provides a liquid nitrogen quick cooling device for aquatic products, which comprises a conveying belt, a quick-freezing box, a liquid nitrogen storage box, a spraying mechanism and a size detection mechanism, wherein the size detection mechanism comprises a main control unit, side plates, springs, a pressure sensor, an inclined stress plate and a moving plate, the aquatic products are conveyed on the conveying belt, the aquatic products firstly pass through the size detection mechanism before entering the quick-freezing box, after contacting the inclined stress plate, the inclined stress plate and the moving plate are pushed to move outwards, the springs are compressed, the pressure sensor can collect the pressure provided by the springs at the moment, the main control unit can convert the pressure data to obtain the approximate width of the aquatic products, and then when the aquatic products are conveyed into the quick-freezing box, the main control unit can control the spraying mechanism to carry out limited spraying, so that the liquid nitrogen is only sprayed on the aquatic products, the waste of the liquid nitrogen is avoided, and the production cost is reduced.
Description
Technical Field
The utility model relates to the technical field of aquatic product processing, in particular to a liquid nitrogen rapid cooling device for an aquatic product.
Background
The aquatic products are required to be preserved at low temperature in the process of processing, transporting and storing, so as to avoid spoilage, most of traditional modes are to store the aquatic products in an ice warehouse, however, the aquatic products can be reduced to a low temperature state after being put in the ice warehouse for a period of time, and the edible taste of the aquatic products can be influenced due to slower cooling speed. For example, the liquid nitrogen quick-freezing equipment (hereinafter referred to as D1) for quick-freezing fillets with the publication number of CN212116894U comprises a processing supporting table, wherein the right side of the processing supporting table is rotationally connected with a driven transmission wheel, the left side of the processing supporting table is rotationally connected with a driving transmission wheel, the driven transmission wheel is in transmission connection with the outer surface of the driving transmission wheel, a quick-freezing outer frame is fixedly connected with the middle position of the top of the processing supporting table, a filleting transmission net is arranged at the middle position of the transmission belt, a liquid nitrogen inlet pipe is fixedly and communicated on the right side of the quick-freezing outer frame, a liquid nitrogen storage tank is fixedly connected on the right side of the inside of the quick-freezing outer frame, a booster pump is fixedly connected on the right side of the inside of the quick-freezing outer frame, a top ventilation pipe is connected with the output end of the booster pump, a separation baffle is fixedly connected on the left side of the inside of the quick-freezing outer frame, the transmission belt conveys fillets between the fixed ventilation pipe and a bottom spray pipe, and liquid nitrogen can be sprayed out for quick-freezing, however, when the fish fillets are quickly frozen, liquid nitrogen is sprayed out simultaneously by the fixed ventilation pipe and the spray heads on the bottom spray pipes, and the fish fillets are not fully distributed on the conveying belt, so that waste is caused by the liquid nitrogen, and the production cost is increased.
Disclosure of Invention
In view of the above, the utility model provides the aquatic product liquid nitrogen rapid cooling device which can pertinently spray after detecting the size of aquatic products, avoid waste of liquid nitrogen and save production cost.
The technical scheme of the utility model is realized as follows:
the utility model provides a quick-cooling device of aquatic products liquid nitrogen, includes conveyer belt, quick-freeze case, liquid nitrogen storage box, spraying mechanism and size detection mechanism, be provided with the groove of walking on the relative lateral wall of quick-freeze case, the conveyer belt runs through the quick-freeze case through the groove of walking, the liquid nitrogen storage box sets up at quick-freeze case top surface, spraying mechanism sets up in the quick-freeze case to be connected with the liquid nitrogen storage box; the size detection mechanism comprises a main control unit, side plates, springs, pressure sensors, an inclined stress plate and a movable plate, wherein the side plates are oppositely arranged on the side walls of the quick-freezing box and located above the conveying belt, the movable plate is oppositely arranged between the side plates, the pressure sensors are arranged on the side walls of the side plates, the springs are connected with the side walls of the movable plate and the pressure sensors, one side of the inclined stress plate is connected with one side of the movable plate, the other side of the inclined stress plate extends in the direction away from the side plates, and the main control unit is arranged on the top surface of the quick-freezing box and is electrically connected with the conveying belt, the spraying mechanism and the pressure sensors respectively.
Preferably, the size detection mechanism further comprises a top plate, wherein the top plate is arranged on one side of the quick-freezing box and is positioned above the side plate and the moving plate, and the top surface of the moving plate is in sliding connection with the bottom surface of the top plate.
Preferably, the top surface of the movable plate is provided with a T-shaped block, the bottom surface of the top plate is provided with a T-shaped groove, and the T-shaped block is positioned in the T-shaped groove.
Preferably, the size detection mechanism further comprises a transmitting tube and a receiving tube, wherein the transmitting tube is embedded in the inner top surface of the passing groove, the receiving tube is embedded in the inner bottom surface of the passing groove and is positioned below the transmitting tube, the conveying belt is a transparent grid-shaped conveying belt, and the main control unit is electrically connected with the transmitting tube and the receiving tube respectively.
Preferably, the spraying mechanism comprises a water pump, a conveying pipe, an upper spraying disc and a spray head, wherein the water pump is arranged on the inner top surface of the quick-freezing box, the water inlet end of the water pump is connected with the liquid nitrogen storage box, the water outlet end of the water pump is connected with the top end of the conveying pipe, the bottom end of the conveying pipe is connected with the upper spraying disc, the spray head is arranged on the bottom surface of the upper spraying disc and is positioned above the conveying belt, and the main control unit is respectively electrically connected with the water pump and the spray head.
Preferably, the spraying mechanism further comprises a lower spraying disc and a connecting pipe, wherein the lower spraying disc is arranged in the quick-freezing box and positioned below the conveying belt, the spray head is arranged on the top surface of the lower spraying disc, and the connecting pipe is connected with the lower spraying disc and the conveying pipe.
Compared with the prior art, the utility model has the beneficial effects that:
(1) after the aquatic products to be frozen are placed on the conveying belt, the conveying belt can convey the aquatic products into the quick freezing box, then the spraying mechanism can spray the liquid nitrogen in the liquid nitrogen storage box onto the aquatic products, the aquatic products can be quickly refrigerated through the liquid nitrogen, and the putrefaction caused by slow freezing of the aquatic products is avoided;
(2) before the aquatic products are conveyed into the quick-freezing box, the aquatic products can pass through the size detection mechanism first, the aquatic products can push the inclined stress plate and the movable plate to move, so that the spring applies force on the pressure sensor, the approximate size of the aquatic products can be obtained through pressure data collected by the pressure sensor, the spraying mechanism can be controlled to spray in a targeted manner, waste of liquid nitrogen is avoided, and production cost is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only preferred embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a liquid nitrogen rapid cooling device for aquatic products;
FIG. 2 is a schematic diagram showing the bottom view of a size detection mechanism of the aquatic product liquid nitrogen rapid cooling device;
FIG. 3 is a schematic diagram of a connection structure between a movable plate and a top plate of the aquatic product liquid nitrogen rapid cooling device;
in the figure, 1 is a conveying belt, 2 is a quick-freezing box, 3 is a liquid nitrogen storage box, 4 is a passing groove, 5 is a main control unit, 6 is a side plate, 7 is a spring, 8 is a pressure sensor, 9 is an inclined stress plate, 10 is a moving plate, 11 is a top plate, 12 is a T-shaped block, 13 is a T-shaped groove, 14 is a transmitting pipe, 15 is a receiving pipe, 16 is a water pump, 17 is a conveying pipe, 18 is an upper spray disk, 19 is a spray head, 20 is a lower spray disk, and 21 is a connecting pipe.
Detailed Description
For a better understanding of the technical content of the present utility model, a specific example is provided below, and the present utility model is further described with reference to the accompanying drawings.
Referring to fig. 1 to 3, the aquatic product liquid nitrogen quick cooling device provided by the utility model comprises a conveying belt 1, a quick freezing box 2, a liquid nitrogen storage box 3, a spraying mechanism and a size detection mechanism, wherein a passing groove 4 is formed in the opposite side wall of the quick freezing box 2, the conveying belt 1 passes through the quick freezing box 2 through the passing groove 4, the liquid nitrogen storage box 3 is arranged on the top surface of the quick freezing box 2, and the spraying mechanism is arranged in the quick freezing box 2 and is connected with the liquid nitrogen storage box 3; the size detection mechanism comprises a main control unit 5, side plates 6, springs 7, pressure sensors 8, inclined stress plates 9 and moving plates 10, wherein the side plates 6 are oppositely arranged on the side walls of the quick-freezing box 2 and located above the conveying belt 1, the moving plates 10 are oppositely arranged between the side plates 6, the pressure sensors 8 are arranged on the side walls of the side plates 6, the springs 7 are connected with the side walls of the moving plates 10 and the pressure sensors 8, one side of each inclined stress plate 9 is connected with one side of the corresponding moving plate 10, the other side extends to the side plate 6 in a direction away from each other, and the main control unit 5 is arranged on the top surface of the quick-freezing box 2 and is electrically connected with the conveying belt 1, the spraying mechanism and the pressure sensors 8 respectively.
The aquatic products to be frozen are conveyed on the conveying belt 1, the conveying belt 1 conveys the aquatic products to the inside of the quick-freezing box 2, the spraying mechanism arranged in the quick-freezing box 2 can spray the liquid nitrogen stored in the liquid nitrogen storage box 3 onto the aquatic products, the liquid nitrogen can cool and freeze the aquatic products rapidly, so that the aquatic products are prevented from being spoiled, the vaporized nitrogen can overflow to the outside from the passing groove 4, and meanwhile the frozen aquatic products can be conveyed to the outside from the passing groove 4 along with the conveying belt 1, so that the aquatic products can be collected and then transported to a refrigeration house in a concentrated mode.
Before the aquatic products are conveyed into the quick-freezing box 2, the aquatic products firstly pass through the size detection mechanism, the front end of the size detection mechanism is an inclined stress plate 9, the outer side of the aquatic products can be in contact with the inclined stress plate 9 in the conveying process, the inclined stress plate 9 is pushed to drive the movable plate 10 to move towards the side plate 6, the springs 7 can be compressed in the moving process, the pressure sensor 8 can acquire certain pressure data, the main control unit 5 can roughly judge the width of the aquatic products according to the pressure data, and then after the aquatic products are conveyed into the quick-freezing box 2, the main control unit 5 can control the spraying mechanism to perform targeted spraying, so that the waste of liquid nitrogen is avoided, and the production cost is reduced.
For the main control unit 5, the utility model selects STM32 series single-chip microcomputer, and the model of the pressure sensor 8 is NS-P-I.
Preferably, the size detection mechanism further comprises a top plate 11, the top plate 11 is arranged on one side of the quick-freezing box 2 and is located above the side plate 6 and the moving plate 10, the top surface of the moving plate 10 is slidably connected with the bottom surface of the top plate 11, the top surface of the moving plate 10 is provided with a T-shaped block 12, the bottom surface of the top plate 11 is provided with a T-shaped groove 13, and the T-shaped block 12 is located in the T-shaped groove 13.
The top plate 11 is used for supporting the movable plate 10, the movable plate 10 can be hung below the top plate 11 through the arrangement of the T-shaped blocks 12 and the T-shaped grooves 13, when aquatic products are in contact with the inclined stress plate 9, the inclined stress plate 9 and the movable plate 10 can be pushed to move, the T-shaped blocks 12 can move along the T-shaped grooves 13, and the springs 7 are small-load springs 7, so that when the inclined stress plate 9 is pushed by the aquatic products, the movable plate 10 can push the springs 7 to be extruded, and in the moving process of the aquatic products, the elasticity provided by the springs 7 to the aquatic products can not cause the aquatic products to stop moving.
Preferably, the size detection mechanism further comprises a transmitting tube 14 and a receiving tube 15, the transmitting tube 14 is embedded in the inner top surface of the passing groove 4, the receiving tube 15 is embedded in the inner bottom surface of the passing groove 4 and is located below the transmitting tube 14, the conveying belt 1 is a transparent grid-shaped conveying belt 1, and the main control unit 5 is electrically connected with the transmitting tube 14 and the receiving tube 15 respectively.
When the aquatic products pass through the passing trough 4 along with the conveyer belt 1, infrared light transmitted to the receiving pipe 15 by the transmitting pipe 14 is cut off, the main control unit 5 can approximately acquire the length of the aquatic products according to the time when the infrared light is cut off and the conveying speed of the conveyer belt 1, and finally the main control unit 5 can control the spraying mechanism to carry out limited spraying according to the length and the width of the aquatic products, so that waste of liquid nitrogen is avoided, and the infrared geminate transistors of the transmitting pipe 14 and the receiving pipe 15 are realized by adopting LHI 778.
Preferably, the spraying mechanism comprises a water pump 16, a conveying pipe 17, an upper spraying disc 18 and a spray head 19, wherein the water pump 16 is arranged on the inner top surface of the quick freezing box 2, the water inlet end of the water pump 16 is connected with the liquid nitrogen storage box 3, the water outlet end of the water pump 16 is connected with the top end of the conveying pipe 17, the bottom end of the conveying pipe 17 is connected with the upper spraying disc 18, the spray head 19 is arranged on the bottom surface of the upper spraying disc 18 and is positioned above the conveying belt 1, and the main control unit 5 is respectively electrically connected with the water pump 16 and the spray head 19.
When the liquid nitrogen spraying quick freezing is carried out, the main control unit 5 controls the water pump 16 to convey the liquid nitrogen in the liquid nitrogen storage box 3 to the upper spraying tray 18 through the conveying pipe 17, and controls the spray heads 19 to spray the liquid nitrogen to the surface of the aquatic products for quick freezing, the number of the spray heads 19 is multiple, the spray heads are uniformly distributed on the bottom surface of the upper spraying tray 18, and the main control unit 5 can realize spraying quick freezing of the aquatic products with corresponding sizes by controlling the opening of part of the spray heads 19.
Preferably, the spraying mechanism further comprises a lower spraying tray 20 and a connecting pipe 21, wherein the lower spraying tray 20 is arranged in the quick freezing box 2 and positioned below the conveying belt 1, the spray heads 19 are arranged on the top surface of the lower spraying tray 20, and the connecting pipe 21 is connected with the lower spraying tray 20 and the conveying pipe 17.
In order to ensure the uniformity of quick freezing of the aquatic products, the utility model is also provided with the lower spray pipe, the water pump 16 conveys liquid nitrogen into the conveying pipe 17, and the liquid nitrogen is simultaneously conveyed to the lower spray tray 20 through the connecting pipe 21, so that the spray quick freezing of the lower surface of the aquatic products is realized.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (6)
1. The aquatic product liquid nitrogen quick cooling device is characterized by comprising a conveying belt, a quick freezing box, a liquid nitrogen storage box, a spraying mechanism and a size detection mechanism, wherein a passing groove is formed in the opposite side wall of the quick freezing box, the conveying belt passes through the quick freezing box through the passing groove, the liquid nitrogen storage box is arranged on the top surface of the quick freezing box, and the spraying mechanism is arranged in the quick freezing box and is connected with the liquid nitrogen storage box; the size detection mechanism comprises a main control unit, side plates, springs, pressure sensors, an inclined stress plate and a movable plate, wherein the side plates are oppositely arranged on the side walls of the quick-freezing box and located above the conveying belt, the movable plate is oppositely arranged between the side plates, the pressure sensors are arranged on the side walls of the side plates, the springs are connected with the side walls of the movable plate and the pressure sensors, one side of the inclined stress plate is connected with one side of the movable plate, the other side of the inclined stress plate extends in the direction away from the side plates, and the main control unit is arranged on the top surface of the quick-freezing box and is electrically connected with the conveying belt, the spraying mechanism and the pressure sensors respectively.
2. The apparatus of claim 1, wherein the size detecting mechanism further comprises a top plate, the top plate is disposed on one side of the quick freezing box and above the side plate and the moving plate, and the top surface of the moving plate is slidably connected with the bottom surface of the top plate.
3. The aquatic product liquid nitrogen rapid cooling device according to claim 2, wherein the top surface of the movable plate is provided with a T-shaped block, the bottom surface of the top plate is provided with a T-shaped groove, and the T-shaped block is located in the T-shaped groove.
4. The aquatic product liquid nitrogen rapid cooling device according to claim 1, wherein the size detection mechanism further comprises a transmitting pipe and a receiving pipe, the transmitting pipe is embedded in the inner top surface of the passing groove, the receiving pipe is embedded in the inner bottom surface of the passing groove and is positioned below the transmitting pipe, the conveying belt is a transparent grid-shaped conveying belt, and the main control unit is electrically connected with the transmitting pipe and the receiving pipe respectively.
5. The aquatic product liquid nitrogen quick cooling device according to claim 1, wherein the spraying mechanism comprises a water pump, a conveying pipe, an upper spraying disc and a spray head, the water pump is arranged on the inner top surface of the quick freezing box, the water inlet end of the water pump is connected with the liquid nitrogen storage box, the water outlet end of the water pump is connected with the top end of the conveying pipe, the bottom end of the conveying pipe is connected with the upper spraying disc, the spray head is arranged on the bottom surface of the upper spraying disc and is positioned above the conveying belt, and the main control unit is respectively electrically connected with the water pump and the spray head.
6. The device for rapidly cooling liquid nitrogen in aquatic products according to claim 5, wherein the spraying mechanism further comprises a lower spraying disc and a connecting pipe, the lower spraying disc is arranged in the quick freezing box and below the conveying belt, the spray head is arranged on the top surface of the lower spraying disc, and the connecting pipe is connected with the lower spraying disc and the conveying pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320755980.0U CN219741730U (en) | 2023-04-07 | 2023-04-07 | Aquatic product liquid nitrogen quick cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320755980.0U CN219741730U (en) | 2023-04-07 | 2023-04-07 | Aquatic product liquid nitrogen quick cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219741730U true CN219741730U (en) | 2023-09-26 |
Family
ID=88089397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320755980.0U Active CN219741730U (en) | 2023-04-07 | 2023-04-07 | Aquatic product liquid nitrogen quick cooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219741730U (en) |
-
2023
- 2023-04-07 CN CN202320755980.0U patent/CN219741730U/en active Active
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