CN111678283B - Yak meat quick freezing device - Google Patents
Yak meat quick freezing device Download PDFInfo
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- CN111678283B CN111678283B CN202010756982.2A CN202010756982A CN111678283B CN 111678283 B CN111678283 B CN 111678283B CN 202010756982 A CN202010756982 A CN 202010756982A CN 111678283 B CN111678283 B CN 111678283B
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- 239000007788 liquid Substances 0.000 claims abstract description 49
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 49
- 239000007921 spray Substances 0.000 claims abstract description 34
- 238000001816 cooling Methods 0.000 claims abstract description 33
- 238000005192 partition Methods 0.000 claims abstract description 12
- 238000005507 spraying Methods 0.000 claims description 20
- 229910000831 Steel Inorganic materials 0.000 claims description 6
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- 238000009395 breeding Methods 0.000 description 2
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- 239000013078 crystal Substances 0.000 description 2
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- 238000002203 pretreatment Methods 0.000 description 2
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- 125000003275 alpha amino acid group Chemical group 0.000 description 1
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- 239000008280 blood Substances 0.000 description 1
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- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D3/00—Devices using other cold materials; Devices using cold-storage bodies
- F25D3/10—Devices using other cold materials; Devices using cold-storage bodies using liquefied gases, e.g. liquid air
- F25D3/11—Devices using other cold materials; Devices using cold-storage bodies using liquefied gases, e.g. liquid air with conveyors carrying articles to be cooled through the cooling space
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
- A23B4/00—General methods for preserving meat, sausages, fish or fish products
- A23B4/06—Freezing; Subsequent thawing; Cooling
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
- A23B4/00—General methods for preserving meat, sausages, fish or fish products
- A23B4/06—Freezing; Subsequent thawing; Cooling
- A23B4/08—Freezing; Subsequent thawing; Cooling with addition of chemicals or treatment with chemicals before or during cooling, e.g. in the form of an ice coating or frozen block
- A23B4/09—Freezing; Subsequent thawing; Cooling with addition of chemicals or treatment with chemicals before or during cooling, e.g. in the form of an ice coating or frozen block with direct contact between the food and the chemical, e.g. liquid N2, at cryogenic temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D25/00—Charging, supporting, and discharging the articles to be cooled
- F25D25/04—Charging, supporting, and discharging the articles to be cooled by conveyors
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
- A23V2002/00—Food compositions, function of food ingredients or processes for food or foodstuffs
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Combustion & Propulsion (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
- Meat, Egg Or Seafood Products (AREA)
Abstract
The invention discloses a yak meat rapid freezing device which comprises a cooling chamber, wherein a partition plate is welded in the cooling chamber, conveying rollers are arranged on two sides of the cooling chamber and matched with a conveying belt, a low-temperature drying device is arranged on the left side of the partition plate, a liquid nitrogen conveying device is fixedly connected to the top wall of the cooling chamber, a conveying pipe is fixedly connected to the liquid nitrogen conveying device, one end of the conveying pipe is fixedly connected with the liquid nitrogen conveying device, the other end of the conveying pipe extends into the cooling chamber, a plurality of spray heads are arranged on the conveying pipe located on the upper wall of the conveying belt, and a driving motor is welded on one side, far away from the liquid nitrogen conveying device. Has the advantages that: the method has the advantages that the yak meat can be dried before freezing, residual moisture on the surface of the yak meat is removed, the condition that the yak meat is frozen and cannot be taken down on a conveying belt after being frozen due to the residual moisture on the surface is prevented, meanwhile, the yak meat to be frozen can be pre-frozen, freezing time is shortened, and a better freezing effect is obtained.
Description
Technical Field
The invention relates to the technical field of quick freezing, in particular to a quick yak meat freezing device.
Background
The yak meat is a dish product and is mainly made from yak buttock meat, soybean oil and the like. The yak meat is tender and delicious. Has high nutritive value. The beverage is rich in protein, amino acid, carotene, calcium, phosphorus and other trace elements, has extremely low fat content and extremely high heat, and has obvious effects of enhancing the disease resistance, cell activity and organ function of a human body; the yak meat has higher protein content than other meat, and lower fat content than other meat, and has rich mineral element content and amino acid structure ratio similar to that of human body. Meanwhile, the livestock breeding is in a pollution-free alpine zone for long-term life, the meat quality is natural and health-care, the livestock breeding is the most ideal product for consuming meat, and the meat products are always required to be frozen for fresh keeping.
In the prior art, most of existing refrigerating devices are usually refrigerated in a heat exchange mode, the required refrigerating time is long, large-batch refrigeration cannot be realized, the working efficiency is extremely low, drying and pre-freezing before refrigeration cannot be performed, so that the frozen consumed beef cannot be taken down on the refrigerating device, direct refrigeration without pre-freezing also increases energy consumption, and therefore the yak meat quick refrigerating device is provided.
Disclosure of Invention
The invention aims to solve the problem that the slow freezing speed is poor in freezing effect in the prior art, and provides a yak meat quick freezing device.
In order to achieve the purpose, the invention adopts the following technical scheme:
a rapid yak meat freezing device comprises a cooling chamber, a partition board is welded in the cooling chamber, conveying rollers are arranged on two sides of the cooling chamber, the conveying roller wheel is matched with a conveying belt, the left side of the partition board is provided with a low-temperature drying device, the top wall of the cooling chamber is fixedly connected with a liquid nitrogen conveying device, the liquid nitrogen conveying device is fixedly connected with a conveying pipe, one end of the conveying pipe is fixedly connected with the liquid nitrogen conveying device, the other end of the conveying pipe extends into the cooling chamber, the conveying pipe positioned on the upper wall of the conveying belt is provided with a plurality of spray headers, a driving motor is welded on one side of the partition plate, which is far away from the liquid nitrogen conveying device, through a support, a rotating shaft is welded on an output shaft of the driving motor, the rotating shaft is in interference fit with a plurality of worms, each worm is meshed with a worm wheel, each worm wheel is in interference fit with a second driven shaft, and two ends of each second driven shaft are rotationally connected with the side wall of the cooling chamber through bearings;
every the equal interference fit of driven shaft has a plurality of third gears, every the third gear all meshes there is the fourth gear, every the fourth gear lateral wall all welds and has rotated spray set.
In foretell yak meat quick freezing device, the axis of rotation meshing has first gear, first gear meshing has the second gear, second gear interference fit has first driven shaft, first driven shaft one end passes through the bearing rotation with the baffle and is connected, the first driven shaft other end passes through the bearing rotation with the cooling chamber inside wall and is connected, first driven shaft interference fit has a plurality of first bevel gears, every first bevel gear all meshes there is second bevel gear, every the equal interference fit of second bevel gear has the dwang, the welding has the baffle between baffle and the cooling chamber, every the dwang all runs through with the baffle through the bearing and rotates and be connected, every the one end that the dwang is located baffle upper portion all welds a plurality of flabellums.
In foretell yak meat quick freezing device, the conveyer belt is the steel conveyer belt, a plurality of through-holes have been seted up to the conveyer belt.
In foretell yak meat quick freezing device, every rotate spray set and all run through the rotation with the conveyer pipe through the bearing and be connected, every it all runs through a plurality of shower heads of fixedly connected with to rotate spray set.
In foretell yak meat quick freezing device, it is provided with four groups at least to rotate the conveyer pipe that spray set is located between the conveyer belt, it should adopt sealed bearing to rotate the bearing between spray set and the conveyer pipe.
In foretell yak meat quick refrigeration device, first bevel gear, second bevel gear, dwang are provided with two sets at least.
In the yak meat quick freezing device, the driving motor is a motor with a model Y280M-2, and the spray head is a Feizhuo-1/4JN-SS + SUE18A-SS +3 atomizing spray head.
The invention also discloses a rapid yak meat freezing process which comprises the following steps: the method is characterized in that the yak meat is quickly frozen in a liquid nitrogen spraying mode, and the method comprises the following steps:
(1) pretreatment before freezing
Pretreating the beef to be frozen in a freezing chamber to treat surface impurities and water;
(2) pre-freezing after pre-treatment
Pre-freezing the pretreated beef to 0-10 deg.C, and pre-freezing with cold air of not higher than-10 deg.C and air speed of 0-6m/s for 1-4 min.
(3) Liquid nitrogen spray freezing
And performing liquid nitrogen spray freezing on the pre-frozen beef, wherein the spray freezing time is controlled to be 1-5min according to the flow rate of liquid nitrogen in a liquid nitrogen conveying system.
(4) Packaging after freezing
After freezing, the frozen beef is subjected to vacuum packaging or refrigeration treatment to ensure that the beef does not deteriorate.
Preferably, the food is pre-frozen before freezing, and pre-frozen by cold air with the temperature of-15 ℃ and the air speed of 4m/s for 3min, and the consumed beef is frozen to-10 ℃ by pre-freezing, and then is subjected to liquid nitrogen spray freezing.
Preferably, the pre-frozen beef is subjected to liquid nitrogen spray freezing, the flow rate of liquid nitrogen in a liquid nitrogen conveying system is 2m/s, the spray freezing time is 3min, and liquid nitrogen carried by the volatile food is recovered in the freezing process and is used for quick-freezing finished product packaging.
Compared with the prior art, the invention has the advantages that:
1. placing the beef to be frozen on a conveyor belt, starting the conveyor belt, starting a driving motor, driving a first gear to rotate by the driving motor, enabling a second gear to rotate, driving a first driven shaft in interference fit with the second gear to rotate, enabling a rotating rod to drive fan blades to rotate by the first driven shaft through meshing of bevel gears, air-drying the beef to be frozen, and preventing the beef to be frozen and the conveyor belt from being frozen together and being incapable of being taken out after moisture on the surface of the beef is frozen;
2. an output shaft of the driving motor drives the rotating shaft to rotate, the worm in interference fit with the rotating shaft rotates, the worm drives the worm wheel meshed with the worm wheel to rotate, the worm wheel rotates to drive the second driven shaft in interference fit with the worm wheel to rotate, the second driven shaft drives the fourth gear in interference fit with the worm wheel to rotate, the fourth gear drives the fifth gear meshed with the worm wheel to rotate, the fifth gear drives the rotating spraying device welded with the fifth gear to rotate, liquid nitrogen is sprayed to the bottom of beef to be frozen under the action of rotating centrifugal force, so that the beef to be frozen is uniformly sprayed with the liquid nitrogen to obtain a better freezing effect, when the rotating spraying device rotates and sprays, the liquid nitrogen is sprayed onto a conveying belt moving to the bottom to cool the conveying belt, the temperature of the conveying belt is reduced due to the fact that the conveying belt is made of steel to the conveying belt, the temperature of the conveying belt can be reduced, the beef to be frozen can be pre-, and faster freezing efficiency can be obtained;
3. a plurality of through holes are formed in the steel belt, the rotating spraying device at the bottom can spray liquid nitrogen to the bottom of the consumed beef through the through holes, the liquid nitrogen can be sprayed to the surface of the whole consumed beef, and a better freezing effect is obtained.
4. In order to obtain a faster freezing speed, the invention also provides a yak meat rapid freezing process, the ordinary heat exchange freezing usually needs several hours, the freezing effect is good through liquid nitrogen spraying, the frozen food has good quality, the original color and the original fragrance of the consumed beef can be ensured, the shelf life is long and is 1-3 times of that of the traditional freezing mode, the dry consumption hardly occurs in the freezing process, the formed capsule can inhibit the expansion and the deformation of the food during freezing, the crack of the surface layer of the food can be prevented, the original state of the food can be maintained to the maximum extent, the generation of large ice crystals can be inhibited through controlling the freezing speed, the damage effect of the ice crystals on the cells is reduced, the mouth feel of the thawed product is good, and the product has no aging phenomenon.
Drawings
Fig. 1 is a schematic structural diagram of a rapid yak meat freezing device provided by the invention;
fig. 2 is an enlarged schematic view of a part A of the rapid yak meat freezing device provided by the invention;
fig. 3 is a cross-sectional view at the position B of the rapid yak meat freezing device provided by the invention;
fig. 4 is an enlarged schematic view of the structure of a rotary spraying device of the rapid yak meat freezing device provided by the invention;
in the figure: 1 cooling chamber, 2 conveying rollers, 21 conveying belts, 3 partition plates, 4 driving motors, 41 rotating shafts, 42 worms, 43 worm gears, 44 second driven shafts, 45 third gears, 46 fourth gears, 5 first gears, 6 second gears, 7 first driven shafts, 8 first bevel gears, 9 second bevel gears, 10 baffles, 11 rotating rods, 12 liquid nitrogen conveying devices, 13 conveying pipes, 14 spray headers, 15 rotating spray devices and 16 fan blades.
Detailed Description
The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.
Examples
Referring to fig. 1-4, a yak meat rapid freezing device, which comprises a cooling chamber 1, and is characterized in that a partition plate 3 is welded in the cooling chamber 1, conveying rollers 2 are arranged on two sides of the cooling chamber 1, the conveying rollers 2 are matched with a conveying belt 21, a low-temperature drying device is arranged on the left side of the partition plate 3, a liquid nitrogen conveying device 12 is fixedly connected on the top wall of the cooling chamber 1, a conveying pipe 13 is fixedly connected on the liquid nitrogen conveying device 12, one end of the conveying pipe 13 is fixedly connected with the liquid nitrogen conveying device, the other end of the conveying pipe extends into the cooling chamber 1, the conveying pipe 13 on the upper wall of the conveying belt 21 is provided with a plurality of spray heads 14, a driving motor 4 is welded on one side of the partition plate 3 away from the liquid nitrogen conveying device 12 through a support, a rotating shaft 41 is welded on an output shaft of the driving motor 4, the, both ends of each second driven shaft 44 are rotatably connected with the side wall of the cooling chamber 1 through bearings;
every second driven shaft 44 all interference fit has a plurality of third gears 45, and every third gear 45 all meshes has fourth gear 46, and every fourth gear 46 lateral wall all welds and has rotated spray set 15.
The 41 meshing of axis of rotation has first gear 5, first gear 5 meshing has second gear 6, 6 interference fit of second gear has first driven shaft 7, 7 one end of first driven shaft and baffle 3 pass through the bearing and rotate and be connected, the 7 other end of first driven shaft passes through the bearing with 1 inside wall of cooling chamber and rotates and be connected, 7 interference fit of first driven shaft has a plurality of first bevel gear 8, every first bevel gear 8 all meshes there is second bevel gear 9, the equal interference fit of every second bevel gear 9 has dwang 11, the welding has baffle 10 between baffle 3 and the cooling chamber 1, every dwang 11 all passes through the bearing with baffle 10 and rotates and be connected, the one end that every dwang 11 is located baffle 10 upper portion has all welded a plurality of flabellums 16.
The conveyer belt 21 is a steel conveyer belt, and the conveyer belt 21 is provided with a plurality of through holes.
Each rotary spraying device 15 is connected with the conveying pipe 13 in a penetrating and rotating mode through a bearing, and each rotary spraying device 15 is fixedly connected with a plurality of spraying heads 14 in a penetrating and rotating mode.
At least four groups of rotary spraying devices 15 are arranged on the conveying pipe 13 between the conveying belts 21, and a sealing bearing is adopted as a bearing between the rotary spraying devices 15 and the conveying pipe 13.
At least two groups of first bevel gears 8, second bevel gears 9 and rotating rods 11 are arranged.
The driving motor 4 adopts a motor of Y280M-2 type, and the spray head 14 adopts a Feizhuo-1/4JN-SS + SUE18A-SS +3 atomizing spray head.
The invention provides a rapid yak meat freezing device, which is characterized in that yak meat to be frozen is placed on a conveyor belt 21, a driving motor 4 is started, an output shaft of the driving motor 4 drives a rotating shaft 41 to rotate, the rotating shaft 41 drives a first gear 5 engaged with the rotating shaft to rotate, the first gear 5 drives a second gear 6 engaged with the first gear to rotate, the second gear 6 drives a first driven shaft 7 in interference fit with the second gear to rotate, the first driven shaft 7 drives all first bevel gears 8 in interference fit with the first driven shaft to rotate, the first bevel gears 8 drive second bevel gears 9 engaged with the first bevel gears to rotate, the second bevel gears 9 drive a rotating rod 11 to rotate, the rotating rod 11 drives fan blades 16 to rotate, cold air is blown to the yak meat to be frozen, on one hand, moisture on the surface of the yak meat is dried, residual moisture on the surface of the yak meat is prevented from entering a cooling chamber 1, and the yak;
the output shaft of the driving motor 4 drives the rotating shaft 41 to rotate, the worm 42 in interference fit with the rotating shaft 41 rotates, the worm 42 drives the worm wheel 43 engaged with the worm 42 to rotate, the worm wheel 43 drives the second driven shaft 44 in interference fit with the worm wheel to rotate, the second driven shaft 44 drives the fourth gear 45 in interference fit with the worm to rotate, the fourth gear 45 drives the fifth gear 46 engaged with the worm to rotate, the fifth gear 46 drives the rotating spraying device 15 welded with the fifth gear to rotate, under the action of rotating centrifugal force, liquid nitrogen is sprayed to the bottom of the upper conveying belt 21, because the conveying belt 21 is the conveying belt 21 provided with a plurality of through holes, the rotating spraying device can spray the liquid nitrogen to the bottom of beef to be frozen through the through holes, so that the beef is uniformly sprayed with the liquid nitrogen, a better freezing effect is obtained, when the rotating spraying device 15 rotates to spray, the liquid nitrogen is sprayed, for the conveyer belt 21 cooling, because the conveyer belt 21 is steel to the conveyer belt, the temperature of conveyer belt 21 can be reduced very low, can be for waiting to freeze the consumptive beef and carry out the prefreezing at this moment.
The invention also discloses a yak meat rapid freezing process, which is used for rapidly freezing yak meat in a liquid nitrogen spraying mode and comprises the following steps:
(1) pretreatment before freezing
Cleaning the yak meat to be frozen, cleaning blood and dirt on the surface of the yak meat, and preventing the yak meat from deteriorating due to the fact that the yak meat and the magazine meat are frozen together;
(2) pre-freezing after pre-treatment
Pre-freezing the food before freezing, namely pre-freezing the food by using cold air with the temperature of-15 ℃ and the air speed of 4m/s for 3min, freezing the beef to-10 ℃, and then performing liquid nitrogen spray freezing;
(3) liquid nitrogen spray freezing
The pre-frozen beef-consumption is subjected to liquid nitrogen spray freezing, the flow velocity of liquid nitrogen in a liquid nitrogen conveying system is adjusted to 2m/s, the spray freezing time is 3min, the liquid nitrogen is uniformly sprayed on the surface of the beef-consumption, the temperature of the liquid nitrogen is about-192 ℃, the liquid nitrogen is vaporized to instantly take away a large amount of heat, the spray time can be properly shortened if the spray amount is increased, and the quick freezing can be finished after the liquid nitrogen is sprayed for 2 min;
(4) packaging after freezing
After freezing, vacuum packaging or cold storage treatment is carried out on the frozen yak meat to ensure that the yak meat does not deteriorate, and liquid nitrogen carried by the volatile food is recovered in the freezing process and is used for packaging quick-frozen finished products.
Although the cooling chamber 1, the conveying rollers 2 and 21, the conveying belt, the partition plate 3, the driving motor 4, the rotating shaft 41, the worm 42, the worm wheel 43, the second driven shaft 44, the third gear 45, the fourth gear 46, the first gear 5, the second gear 6, the first driven shaft 7, the first bevel gear 8, the second bevel gear 9, the baffle 10, the rotating rod 11, the liquid nitrogen conveying device 12, the conveying pipe 13, the shower head 14, the rotating shower device 15 and the fan blades 16 are more used herein. Etc., but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (7)
1. The utility model provides a yak meat rapid freezing device, includes cooling chamber (1), its characterized in that, welded baffle (3) in cooling chamber (1), the both sides of cooling chamber (1) are provided with transport running roller (2), transport running roller (2) cooperation has conveyer belt (21), baffle (3) left side is provided with the cryodrying device, cooling chamber (1) roof fixedly connected with liquid nitrogen conveyor (12), liquid nitrogen conveyor (12) fixedly connected with conveyer pipe (13), conveyer pipe (13) one end and liquid nitrogen conveyor fixed connection, the other end extend to inside cooling chamber (1), be located conveyer pipe (13) of conveyer belt (21) upper wall are provided with a plurality of shower heads (14), there are driving motor (4) one side that liquid nitrogen conveyor (12) were kept away from in baffle (3) through the welding of support, a rotating shaft (41) is welded on an output shaft of the driving motor (4), a plurality of worms (42) are in interference fit with the rotating shaft (41), each worm (42) is meshed with a worm wheel (43), each worm wheel (43) is in interference fit with a second driven shaft (44), and two ends of each second driven shaft (44) are rotatably connected with the side wall of the cooling chamber (1) through bearings;
every second driven shaft (44) all interference fit has a plurality of third gears (45), every third gear (45) all meshes fourth gear (46), every fourth gear (46) lateral wall all welds and has rotated spray set (15).
2. The yak meat rapid freezing device according to claim 1, wherein the rotating shaft (41) is engaged with a first gear (5), the first gear (5) is engaged with a second gear (6), the second gear (6) is in interference fit with a first driven shaft (7), one end of the first driven shaft (7) is rotatably connected with the partition plate (3) through a bearing, the other end of the first driven shaft (7) is rotatably connected with the inner side wall of the cooling chamber (1) through a bearing, the first driven shaft (7) is in interference fit with a plurality of first bevel gears (8), each first bevel gear (8) is engaged with a second bevel gear (9), each second bevel gear (9) is in interference fit with a rotating rod (11), a baffle plate (10) is welded between the partition plate (3) and the cooling chamber (1), and each rotating rod (11) is rotatably connected with the baffle plate (10) through a bearing, each one end that dwang (11) are located baffle (10) upper portion all welds has a plurality of flabellums (16).
3. The yak meat rapid freezing device according to claim 1, wherein the conveying belt (21) is a steel conveying belt, and a plurality of through holes are formed in the conveying belt (21).
4. The yak meat rapid freezing device according to claim 1, wherein each rotary spraying device (15) is rotatably connected with the conveying pipe (13) through a bearing in a penetrating manner, and each rotary spraying device (15) is fixedly connected with a plurality of spraying heads (14) in a penetrating manner.
5. The yak meat rapid freezing device according to claim 1, wherein at least four groups of rotating spraying devices (15) are arranged on the conveying pipe (13) between the conveying belts (21), and a sealing bearing is adopted as a bearing between the rotating spraying devices (15) and the conveying pipe (13).
6. The yak meat rapid freezing device according to claim 2, wherein at least two groups of the first bevel gear (8), the second bevel gear (9) and the rotating rod (11) are arranged.
7. The yak meat rapid freezing device according to claim 2, wherein the driving motor (4) is a Y280M-2 motor, and the spray head (14) is a Feizhuo-1/4JN-SS + SUE18A-SS +3 atomizing spray head.
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| CN113911630B (en) * | 2021-10-26 | 2023-04-25 | 内蒙古绿色大地农牧业有限公司 | Feeding device and method for beef and mutton thawing |
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| GB2538706A (en) * | 2015-05-19 | 2016-11-30 | Linde Ag | Ultrasound and cryogenic gas to destroy campylobacter and other bacteria on foodstuffs |
| CN106259825A (en) * | 2016-08-17 | 2017-01-04 | 郑州子非鱼食品有限公司 | A kind of processing method of quick-freezing the Yellow River Cyprinus carpio |
| CN107683895A (en) * | 2017-09-19 | 2018-02-13 | 江苏维乐益生食品科技有限公司 | A kind of preparation method of frozen fresh spinacs |
| CN108402382A (en) * | 2018-04-09 | 2018-08-17 | 太仓鼎膳食品有限公司 | A kind of anti-spilling type quick-frozen food production liquid nitrogen flash freezer system |
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