CN115088755A - Micro-freezing preservation equipment and method for meat - Google Patents
Micro-freezing preservation equipment and method for meat Download PDFInfo
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- CN115088755A CN115088755A CN202211017211.7A CN202211017211A CN115088755A CN 115088755 A CN115088755 A CN 115088755A CN 202211017211 A CN202211017211 A CN 202211017211A CN 115088755 A CN115088755 A CN 115088755A
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- meat
- supporting plate
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- 238000004321 preservation Methods 0.000 title claims abstract description 42
- 238000007710 freezing Methods 0.000 title claims abstract description 39
- 235000013372 meat Nutrition 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000007599 discharging Methods 0.000 claims abstract description 15
- 235000013622 meat product Nutrition 0.000 claims description 45
- 230000008014 freezing Effects 0.000 claims description 22
- 238000005057 refrigeration Methods 0.000 claims description 17
- 238000009434 installation Methods 0.000 claims description 9
- 230000004888 barrier function Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 239000002918 waste heat Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 235000011389 fruit/vegetable juice Nutrition 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000004781 supercooling Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Classifications
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- 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
- A23B4/066—Freezing; Subsequent thawing; Cooling the materials not being transported through or in the apparatus with or without shaping, e.g. in the form of powder, granules or flakes
- A23B4/068—Freezing; Subsequent thawing; Cooling the materials not being transported through or in the apparatus with or without shaping, e.g. in the form of powder, granules or flakes with packages or with shaping in the form of blocks or portions
-
- 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
- A23B4/015—Preserving by irradiation or electric treatment without heating effect
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
-
- 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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B7/00—Compression machines, plants or systems, with cascade operation, i.e. with two or more circuits, the heat from the condenser of one circuit being absorbed by the evaporator of the next circuit
-
- 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)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Chemical & Material Sciences (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention relates to the technical field of preservation equipment, in particular to a micro-freezing preservation equipment and a method for meat, wherein a preservation cavity is arranged in an equipment body, a cavity cover is arranged in the preservation cavity, the cavity cover is connected with a connecting strip, and the connecting strip is connected with a linear actuator; the left side surface and the right side surface of the equipment body are respectively provided with a feeding conveyer belt and a discharging conveyer belt; the fresh-keeping cavity is provided with a plurality of inclined supporting plates, adjacent supporting plates are connected through connecting rods, and two ends of each connecting rod are respectively hinged to the corresponding supporting plates; the top end of the connecting rod at the left end of the top surface of the supporting plate at the highest position is hinged with an electric telescopic rod; the connecting rod at the right end of the top surface of the supporting plate at the highest position is hinged with a fixed rod; the bottom surface of the cavity cover is provided with two baffle plates, one baffle plate is positioned between the rear wall of the fresh-keeping cavity and the rear side of the supporting plate, and the other baffle plate is positioned between the front wall of the fresh-keeping cavity and the front side of the supporting plate; the equipment body is provided with an ultrasonic generator and a refrigerating device, and the preservation cavity is internally provided with an electrostatic plate. The invention can better perform the micro-freezing preservation of the meat.
Description
Technical Field
The invention relates to the technical field of preservation equipment, in particular to micro-freezing preservation equipment and a method for meat.
Background
The micro-freezing preservation is a preservation technology for storing the fish catch on a fishing boat, which is developed in the sixty-seven decades of the last century, and compared with the traditional refrigeration, the technology can obviously prolong the shelf life of aquatic products by 1.5-4 times, so that the technology is increasingly paid attention to people. The method refers to slight freezing storage at a temperature range between the freezing point (freezing point) of an organism and 1-2 ℃ below the freezing point, and is also called partial freezing and supercooling refrigeration.
Compared with the traditional refrigeration, the micro-freezing preservation has the following advantages: 1) the mechanical damage, cell collapse and gas expansion of the product caused by ice crystals generated in the freezing process can be reduced; 2) the product is not required to be unfrozen when being eaten, so that the juice loss during unfreezing can be reduced, and the original freshness of the food is kept; 3) the slightly frozen fresh-keeping product has less dry consumption and good surface color, and the shelf life is prolonged by at least 1.4-4 times; 4) can ensure high quality and high yield of products, and has simple required equipment, low cost and low energy consumption.
The existing micro-freezing preservation equipment often needs to manually transfer meat into or take out, wastes time and labor, is difficult to be matched with the continuous production of a meat production line, can cause the meat production line to be low in efficiency, and therefore needs preservation equipment with high automation degree.
Disclosure of Invention
The present invention is directed to an apparatus and method for partial freezing and refreshing meat that overcomes one or more of the deficiencies of the prior art.
According to the invention, the micro-freezing preservation equipment for meat comprises an equipment body, wherein a preservation cavity with an upward opening is arranged in the equipment body, a cavity cover is arranged at the opening of the preservation cavity, the front side and the rear side of the cavity cover are respectively connected with a connecting strip, the connecting strip is connected with a linear actuator, and the connecting strip can be lifted up and down along with the linear actuator; the left side surface and the right side surface of the equipment body are respectively provided with a feeding conveyer belt and a discharging conveyer belt;
the fresh-keeping cavity is provided with a plurality of inclined supporting plates, adjacent supporting plates are arranged in parallel and connected at four corners through connecting rods, and two ends of each connecting rod are respectively hinged to the corresponding supporting plates; the four corners of the top surface of the supporting plate at the highest position are also hinged with connecting rods, the top end of the connecting rod at the left end of the top surface of the supporting plate at the highest position is hinged with an electric telescopic rod, and the top end of the electric telescopic rod is fixed on the bottom surface of the cavity cover; the connecting rod at the right end of the top surface of the supporting plate at the highest position is hinged with a fixed rod, and the top end of the fixed rod is fixed on the bottom surface of the cavity cover;
the bottom surface of the cavity cover is provided with two baffle plates, one baffle plate is positioned between the rear wall of the fresh-keeping cavity and the rear side of the supporting plate, and the other baffle plate is positioned between the front wall of the fresh-keeping cavity and the front side of the supporting plate;
be equipped with supersonic generator and refrigerating plant on the equipment body, the fresh-keeping intracavity is equipped with a plurality of static boards.
Preferably, the supporting plate comprises two parallel mounting bars, a plurality of shaft rods are connected between the mounting bars, the shaft rods are sleeved with rotating drums, and all the rotating drums are sleeved with a belt.
Preferably, a plurality of balls are attached to the outer side of the mounting bar and the outer side of the baffle plate, respectively, and the balls are attached to the corresponding baffle plate.
Preferably, the belt and the baffle are both provided with a plurality of through holes.
Preferably, the top surfaces of the feeding conveying belt and the discharging conveying belt are aligned with the opening of the fresh-keeping cavity.
Preferably, the left and right cavity walls of the preservation cavity are also provided with a plurality of balls.
Preferably, the refrigeration device performs refrigeration by a CO/NH cascade refrigeration system.
Preferably, the linear actuator comprises a body, an installation cavity is arranged in the body, a lead screw is arranged in the installation cavity, a lead screw nut is sleeved on the lead screw and connected with a connecting block, a strip-shaped hole is formed in one side of the installation cavity, the connecting block is movably clamped in the strip-shaped hole, and one end of the connecting block is connected with the connecting strip; the screw rod is driven by a motor, and the motor is arranged at the top end of the device body.
The invention also provides a micro-freezing preservation method for meat, which adopts the micro-freezing preservation equipment for meat and comprises the following steps:
the left end of the support plate at the lowest position is aligned with the opening of the fresh-keeping cavity by lifting the cavity cover through the linear actuator, and the left end of the support plate is higher than the right end by adjusting through the electric telescopic rod;
conveying the bagged meat product to a support plate at the lowest position through a feeding conveying belt, wherein the support plate is obliquely arranged, so that the bagged meat product can slide to the right end until the support plate is filled with the bagged meat product; then, the cavity cover is lowered, the next supporting plate is aligned with the opening of the fresh-keeping cavity, and then meat is loaded until all the supporting plates are filled with the bagged meat product;
lowering the cavity cover to tightly cover the opening of the fresh-keeping cavity, and adjusting through an electric telescopic rod to enable the supporting plate to be horizontal;
fourthly, enabling the ultrasonic generator, the refrigerating device and the electrostatic plate to work, and starting micro-freezing and fresh-keeping;
fifthly, when the bagged meat product is taken out, the left end of the supporting plate is higher than the right end by adjusting through an electric telescopic rod;
sixthly, the cavity cover is lifted through the linear actuator, so that the right end of the highest supporting plate is aligned with the opening of the preservation cavity, and the bagged meat product slides onto the discharging conveyor belt to be discharged; then the next supporting plate is lifted and discharged, and then all the bagged meat products slide out.
Preferably, when the bagged meat product slides to the supporting plate and slides out of the supporting plate, the electric telescopic rod is controlled to stretch up and down, and the sliding process is accelerated through shaking.
The invention can automatically convey the bagged meat product into the preservation cavity for slight freezing preservation and automatically convey the bagged meat product out of the preservation cavity, thereby being very convenient. Through utilizing the gravity of meat products in bags, meat products in bags can be convenient slide to the fresh-keeping intracavity, also can make things convenient for the fresh-keeping chamber of roll-off. And the electrostatic plate can produce the electrostatic wave, and it can produce resonance with the cell hydrone of storing the goods, and the effectual ice temperature area that enlarges the storage goods. The ultrasonic generator can improve the quality of meat in the process of preservation.
Drawings
FIG. 1 is a schematic perspective view of a partial freezing and refreshing apparatus for meat according to an embodiment;
FIG. 2 is a schematic front view of a partial freezing and refreshing apparatus for meat according to an embodiment;
FIG. 3 is an enlarged view of the structure of the fresh keeping cavity in the embodiment;
FIG. 4 is a schematic diagram of the structure of the fresh keeping cavity in the embodiment from the right;
FIG. 5 is a schematic structural view of a support plate in the embodiment;
fig. 6 is a schematic structural diagram of the linear actuator in the embodiment.
Detailed Description
For a further understanding of the invention, reference should be made to the following detailed description taken in conjunction with the accompanying drawings and examples. It is to be understood that the examples are illustrative of the invention and not limiting.
Examples
As shown in fig. 1-6, the embodiment provides a partial freezing preservation device for meat, which includes a device body 110, a preservation cavity 111 with an upward opening is arranged in the device body 110, a cavity cover 112 is arranged at the opening of the preservation cavity 111, the front side and the rear side of the cavity cover 112 are respectively connected with a connecting bar 113, the connecting bar 113 is connected with a linear actuator 120, and the connecting bar 113 can be lifted up and down along with the linear actuator 120; the left side surface and the right side surface of the equipment body 110 are respectively matched with a feeding conveyer belt 130 and a discharging conveyer belt 140;
the preservation cavity 111 is provided with a plurality of inclined support plates 150, the adjacent support plates 150 are arranged in parallel, the adjacent support plates 150 are connected at four corners through connecting rods 160, and two ends of each connecting rod 160 are respectively hinged on the corresponding support plate 150; the four corners of the top surface of the supporting plate 150 at the highest position are also hinged with connecting rods 160, the top end of the connecting rod 160 at the left end of the top surface of the supporting plate 150 at the highest position is hinged with an electric telescopic rod 170, and the top end of the electric telescopic rod 170 is fixed on the bottom surface of the cavity cover 112; the connecting rod 160 at the right end of the top surface of the supporting plate 150 at the highest position is hinged with a fixed rod 180, and the top end of the fixed rod 180 is fixed on the bottom surface of the cavity cover 112;
the bottom surface of the cavity cover 112 is provided with two baffles 190, one baffle 190 is positioned between the rear wall of the fresh-keeping cavity 111 and the rear side of the supporting plate 150, and the other baffle 190 is positioned between the front wall of the fresh-keeping cavity 111 and the front side of the supporting plate 150; the baffle 190 can block the bagged meat product, so that the stability of the bagged meat product in sliding is improved;
an ultrasonic generator and a refrigerating device are arranged on the equipment body 110, and a plurality of electrostatic plates are arranged in the preservation cavity 111.
The linear actuator 120 can drive the cavity cover 112 to lift, so as to conveniently open and close the cavity cover 112, and can lift the supporting plates 150 below the cavity cover during feeding, so as to sequentially correspond the supporting plates 150 to the feeding conveyer belt 130, so that the bagged meat products on the feeding conveyer belt 130 can be conveyed to each supporting plate 150; during discharging, the supporting plates 150 under the cavity cover can be lifted, so that the supporting plates 150 sequentially correspond to the discharging conveyer belt 140, and the bagged meat product on each supporting plate 150 can be conveyed out.
The adjacent supporting plates 150 are hinged through the connecting rods 160, the top end of the connecting rod 160 at the left end of the top surface of the highest supporting plate 150 is hinged with the electric telescopic rod 170, and the connecting rod 160 at the right end of the top surface of the highest supporting plate 150 is hinged with the fixing rod 180, so that when the electric telescopic rod 170 stretches, the inclination angles of all the supporting plates 150 can be changed, when the supporting plates 150 incline (high left and low right), the bagged meat product can slide down to the right end from the left end of the supporting plate 150, and thus, the supporting plates 150 can be conveniently filled with the bagged meat product, the right end of the supporting plate 150 can be blocked by the fresh-keeping cavity 111, and the position of the bagged meat product is very stable; after the right end of the supporting plate 150 is aligned with the opening of the fresh-keeping cavity 111, the bagged meat products slide down to the discharging conveyer belt 140, and discharging is very convenient.
When the electric telescopic rod 170 stretches continuously up and down, the supporting plate 150 can be shaken, so that the sliding process is accelerated, and the electric telescopic rod is very convenient.
The refrigerating device is used for refrigerating, maintains the temperature in the preservation cavity 111, and enables the bagged meat product to be slightly frozen and preserved. The electrostatic plate can produce the electrostatic wave, and it can produce resonance with the cell hydrone of storing the goods, and the effective ice temperature area of storing the goods that enlarges. The ultrasonic generator can improve the quality of meat in the process of preservation.
The supporting plate 150 includes two parallel mounting bars 151, a plurality of axles 152 are connected between the mounting bars 151, the axles 152 are sleeved with rotating drums, and all the rotating drums are sleeved with a belt 153.
The belt 153 can be rotated so that the pouched meat product slides down more easily when the support plate 150 is tilted.
A plurality of balls 154 are respectively mounted on the outer side of the mounting bar 151 and the outer side of the baffle 190, and the balls 154 are attached to the corresponding baffle 190.
The balls 154 can improve the stability of the barrier 190 when the barrier 190 is inclined (when the inclination angle is changed), and the balls 154 of the barrier 190 can improve the stability when the barrier is lifted, thereby facilitating the lifting.
The belt 153 and the baffle 190 are provided with a plurality of through holes.
The through holes are convenient to refrigerate and facilitate the passing of cold air.
The top surfaces of the feeding conveyor belt 130 and the discharging conveyor belt 140 are aligned with the opening of the fresh keeping cavity 111. Thus, the feeding and the discharging are very convenient.
The left and right walls of the fresh-keeping chamber 111 are also provided with a plurality of balls 154. The ball 154 on the wall of the fresh-keeping cavity 111 is convenient for the lifting of the bagged meat product.
Refrigerating plant passing CO 2 /NH 3 The cascade refrigeration system performs refrigeration.
CO 2 /NH 3 For a cascade refrigeration system, reference is made to the patent publication CN 204648736U. CO 2 2 /NH 3 The cascade refrigeration system has high refrigeration efficiency, high energy utilization rate, low cost and good safety, the COP is improved by more than 5 percent, and the operation and maintenance cost is saved by 60 percent.
The fresh-keeping cavity 111 is connected with a refrigerating system waste heat recovery device for multi-temperature-zone water supply. The waste heat recovery device of the refrigeration system for supplying water in multiple temperature zones can refer to the patent with the publication number of CN 106969538B. The waste heat recovery device of the refrigeration system for supplying water in multiple temperature regions realizes the comprehensive supply of low-temperature refrigeration and high-temperature heat supply in a wide temperature region range (-55-200 ℃), and the energy efficiency ratio is improved by more than 15% compared with a single refrigeration system.
The linear actuator 120 comprises a body 201, an installation cavity 202 is arranged in the body 201, a lead screw 203 is arranged in the installation cavity 202, a lead screw nut 204 is sleeved on the lead screw 203, the lead screw nut 204 is connected with a connecting block 205, a strip-shaped hole 206 is arranged on one side of the installation cavity 202, the connecting block 205 is movably clamped in the strip-shaped hole 206, and one end of the connecting block 205 is connected with a connecting strip 113; the screw rod 203 is driven by a motor 207, and the motor 207 is arranged at the top end of the body 201.
The motor 207 drives the lead screw 203 to rotate, so that the lead screw nut 204 has rotational drive, but the connecting block 205 connected with the lead screw nut 204 is blocked by the strip-shaped hole 206, therefore, the lead screw nut 204 performs linear motion, and the connecting strip 113 is driven to lift.
The embodiment also provides a meat micro-freezing preservation method, which adopts the meat micro-freezing preservation equipment and comprises the following steps:
firstly, the cavity cover 112 is lifted through the linear actuator 120, so that the left end of the supporting plate 150 at the lowest position is aligned with the opening of the fresh-keeping cavity 111, and the left end of the supporting plate 150 is higher than the right end through the adjustment of the electric telescopic rod 170;
conveying the bagged meat product to the lowest support plate 150 through the feeding conveyer belt 130, wherein the bagged meat product slides to the right end due to the inclined arrangement of the support plate 150 until the support plate 150 is filled with the bagged meat product; then, the cavity cover 112 is lowered, the next supporting plate 150 is aligned with the opening of the fresh-keeping cavity 111, and then meat is loaded until all the supporting plates 150 are filled with the bagged meat products;
thirdly, lowering the cavity cover 112 to enable the cavity cover 112 to tightly cover the opening of the fresh-keeping cavity 111, and meanwhile, adjusting through the electric telescopic rod 170 to enable the supporting plate 150 to be horizontal; here, the inclination of the support plate 150 may not be adjusted, but the original angle is still maintained, so that when the support plate 150 is in a horizontal state, the stress of the support plate 150 can be more uniform, thereby increasing the durability;
fourthly, enabling the ultrasonic generator, the refrigerating device and the electrostatic plate to work, and starting micro-freezing and fresh-keeping;
fifthly, when the bagged meat product is taken out, the left end of the supporting plate 150 is higher than the right end through the adjustment of the electric telescopic rod 170;
sixthly, the cavity cover 112 is lifted through the linear actuator 120, so that the right end of the highest supporting plate 150 is aligned with the opening of the fresh-keeping cavity 111, and the bagged meat product slides onto the discharging conveyer belt 140 to be discharged; the next support plate 150 is then raised and discharged, so that all the bagged meat products slide out.
When the bagged meat product slides to the supporting plate 150 and slides out of the supporting plate 150, the electric telescopic rod 170 is controlled to stretch up and down, and the sliding process is accelerated by shaking.
The method can automatically convey the bagged meat product into the preservation cavity 111 for slight freezing preservation, and can automatically convey the bagged meat product out of the preservation cavity 111, thereby being very convenient. The bagged meat product automatically slides on the supporting plate 150 by utilizing the gravity of the bagged meat product, so that time and labor are saved, and the cost is saved; the linear actuator 120 can drive the supporting plates 150 to move up and down, so that the supporting plates 150 can be filled with the bagged meat product. And the electrostatic plate can produce the electrostatic wave, and it can produce resonance with the cell hydrone of storing the goods, and the effective ice temperature area of storing the goods that enlarges. The ultrasonic generator can improve the quality of meat in the process of preservation.
The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the invention, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the invention.
Claims (10)
1. Meat is with freezing fresh-keeping equipment a little, its characterized in that: the device comprises a device body (110), wherein a fresh-keeping cavity (111) with an upward opening is arranged in the device body (110), a cavity cover (112) is arranged at the opening of the fresh-keeping cavity (111), the front side and the rear side of the cavity cover (112) are respectively connected with a connecting strip (113), the connecting strip (113) is connected with a linear actuator (120), and the connecting strip (113) can be lifted up and down along with the linear actuator (120); the left side surface and the right side surface of the equipment body (110) are respectively provided with a feeding conveyer belt (130) and a discharging conveyer belt (140);
the fresh-keeping cavity (111) is provided with a plurality of inclined supporting plates (150), the adjacent supporting plates (150) are arranged in parallel, the adjacent supporting plates (150) are connected at four corners through connecting rods (160), and two ends of each connecting rod (160) are respectively hinged to the corresponding supporting plates (150); the four corners of the top surface of the supporting plate (150) at the highest position are also hinged with connecting rods (160), the top end of the connecting rod (160) at the left end of the top surface of the supporting plate (150) at the highest position is hinged with an electric telescopic rod (170), and the top end of the electric telescopic rod (170) is fixed on the bottom surface of the cavity cover (112); a connecting rod (160) at the right end of the top surface of the supporting plate (150) at the highest position is hinged with a fixed rod (180), and the top end of the fixed rod (180) is fixed on the bottom surface of the cavity cover (112);
two baffles (190) are arranged on the bottom surface of the cavity cover (112), one baffle (190) is positioned between the rear wall of the fresh keeping cavity (111) and the rear side of the support plate (150), and the other baffle (190) is positioned between the front wall of the fresh keeping cavity (111) and the front side of the support plate (150);
an ultrasonic generator and a refrigerating device are arranged on the equipment body (110), and a plurality of electrostatic plates are arranged in the fresh-keeping cavity (111).
2. The partial freezing and fresh-keeping apparatus for meat according to claim 1, wherein: the supporting plate (150) comprises two parallel mounting bars (151), a plurality of shaft rods (152) are connected between the mounting bars (151), the shaft rods (152) are sleeved with rotating drums, and all the rotating drums are sleeved with a belt (153).
3. The partial freezing and fresh-keeping apparatus for meat according to claim 2, wherein: a plurality of balls (154) are respectively arranged on the outer side of the mounting bar (151) and the outer side of the baffle (190), and the balls (154) are attached to the corresponding baffle (190).
4. The partial freezing preservation device for meat according to claim 3, characterized in that: the belt (153) and the baffle (190) are provided with a plurality of through holes.
5. The partial freezing and fresh-keeping apparatus for meat according to claim 4, wherein: the top surfaces of the feeding conveyer belt (130) and the discharging conveyer belt (140) are aligned with the opening of the fresh-keeping cavity (111).
6. The partial freezing and fresh-keeping apparatus for meat according to claim 5, wherein: a plurality of balls (154) are also arranged on the left and right cavity walls of the fresh-keeping cavity (111).
7. The partial freezing and fresh-keeping apparatus for meat according to claim 6, wherein: refrigerating plant passing CO 2 /NH 3 The cascade refrigeration system performs refrigeration.
8. The partial freezing and fresh-keeping apparatus for meat according to claim 7, wherein: the linear actuator (120) comprises an actuator body (201), an installation cavity (202) is arranged in the actuator body (201), a lead screw (203) is arranged in the installation cavity (202), a lead screw nut (204) is sleeved on the lead screw (203), the lead screw nut (204) is connected with a connecting block (205), a strip-shaped hole (206) is formed in one side of the installation cavity (202), the connecting block (205) is movably clamped in the strip-shaped hole (206), and one end of the connecting block (205) is connected with a connecting strip (113); the screw rod (203) is driven by a motor (207), and the motor (207) is arranged at the top end of the device body (201).
9. The micro-freezing preservation method for meat is characterized by comprising the following steps: which employs a partial freezing and refreshing apparatus for meat as claimed in any one of claims 1 to 8 and comprises the steps of:
firstly, a cavity cover (112) is lifted through a linear actuator (120), so that the left end of a support plate (150) at the lowest position is aligned with an opening of a fresh-keeping cavity (111), and the left end of the support plate (150) is higher than the right end through adjustment of an electric telescopic rod (170);
conveying the bagged meat product to a lowest support plate (150) through a feeding conveying belt (130), wherein the bagged meat product slides to the right end due to the inclined arrangement of the support plate (150) until the support plate (150) is filled with the bagged meat product; then, the cavity cover (112) is lowered, the next supporting plate (150) is aligned with the opening of the fresh-keeping cavity (111) and then meat is loaded, and therefore the meat products in bags are loaded until all the supporting plates (150) are filled with the meat products in bags;
thirdly, lowering the cavity cover (112), enabling the cavity cover (112) to tightly cover the opening of the fresh-keeping cavity (111), and meanwhile, adjusting through an electric telescopic rod (170) to enable the supporting plate (150) to be horizontal;
fourthly, enabling the ultrasonic generator, the refrigerating device and the electrostatic plate to work, and starting micro-freezing and fresh-keeping;
fifthly, when the bagged meat product is taken out, the left end of the supporting plate (150) is higher than the right end through the adjustment of the electric telescopic rod (170);
sixthly, the cavity cover (112) is lifted through the linear actuator (120), so that the right end of the highest supporting plate (150) is aligned with the opening of the fresh-keeping cavity (111), and the bagged meat product slides onto the discharging conveyer belt (140) to be discharged; the next support plate (150) is then raised and discharged, in this way, until all the bagged meat products have slipped out.
10. The partial freezing preservation method for meat according to claim 9, characterized in that: when the bagged meat product slides to the supporting plate (150) and slides out of the supporting plate (150), the electric telescopic rod (170) is controlled to stretch up and down, and the sliding process is accelerated by shaking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211017211.7A CN115088755B (en) | 2022-08-24 | 2022-08-24 | Micro-freezing preservation equipment and method for meat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211017211.7A CN115088755B (en) | 2022-08-24 | 2022-08-24 | Micro-freezing preservation equipment and method for meat |
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| CN115336627A (en) * | 2022-10-18 | 2022-11-15 | 合肥工业大学 | Ice-temperature vacuum quick-cooling equipment and method for meat industry |
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| CN115088755B (en) | 2022-11-18 |
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