CN109349332B - Aquatic product treatment device and treatment method thereof - Google Patents
Aquatic product treatment device and treatment method thereof Download PDFInfo
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- CN109349332B CN109349332B CN201811355855.0A CN201811355855A CN109349332B CN 109349332 B CN109349332 B CN 109349332B CN 201811355855 A CN201811355855 A CN 201811355855A CN 109349332 B CN109349332 B CN 109349332B
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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
- A23B4/14—Preserving with chemicals not covered by groups A23B4/02 or A23B4/12
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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
Abstract
The invention relates to aquatic product treatment, in particular to an aquatic product treatment device and an aquatic product treatment method. The aquatic product treatment device comprises an ultrahigh pressure treatment device, wherein the ultrahigh pressure treatment device comprises an upper die and a lower die, a lifting mechanism is arranged at the bottom of the lower die, a plurality of aquatic product treatment cavities are formed in the lower die, air suction cavities are formed in the lower die, one end of each air suction cavity is connected with a vacuum air pump, the air suction cavities are communicated with the aquatic product treatment cavities through a plurality of air suction holes, air-permeable sleeves are embedded in the aquatic product treatment cavities, and supporting nets for supporting aquatic products are horizontally fixed on the air-permeable sleeves; an air containing cavity is arranged inside the upper die, an air blowing hole corresponding to the position of the aquatic product processing cavity is arranged on the lower surface of the upper die, the air blowing hole is communicated with the air containing cavity, and one end of the air containing cavity is connected with an ultrahigh pressure compressor with the exhaust pressure being more than 1000 MPa. The invention has the advantages of effectively improving the production quality of aquatic products, enhancing the sterilization effect, reducing the sterilization cost, improving the production efficiency and the like.
Description
Technical Field
The invention relates to aquatic product treatment, in particular to an aquatic product treatment device and an aquatic product treatment method.
Background
The existing aquatic products need to be transported to a production line for sorting and freezing after being salvaged. However, the aquatic products carry a large amount of fungi in water in the growing environment, so that the aquatic products are easy to deteriorate, and great potential safety hazards are brought to later eating. The existing aquatic product production line does not have a sterilization process, so that aquatic products are in long-term contact with fungi in the production link and are easy to deteriorate. Some production lines are provided with sterilization procedures, but the sterilization adopts a light irradiation mode for sterilization, so that part of fungi on the aquatic products cannot be killed, and the sterilization effect is poor. And before the aquatic products are frozen, a water control procedure is required, so that caking in the freezing process is prevented, the procedure is complex, the production period is long, and the insurance quality of the aquatic products is reduced.
Disclosure of Invention
The invention mainly aims at the problems and provides an aquatic product treatment device and an aquatic product treatment method which can effectively improve the production quality of aquatic products, enhance the sterilization effect, reduce the sterilization cost and improve the production efficiency.
The purpose of the invention is mainly realized by the following scheme: an aquatic product treatment device comprises an ultrahigh pressure treatment device, wherein the ultrahigh pressure treatment device comprises an upper die and a lower die, a lifting mechanism is arranged at the bottom of the lower die, a plurality of aquatic product treatment cavities are arranged on the lower die, air suction cavities are arranged in the lower die, one end of each air suction cavity is connected with a vacuum air pump, the air suction cavities are communicated with the aquatic product treatment cavities through a plurality of air suction holes, air permeable sleeves are embedded in the aquatic product treatment cavities, and supporting nets for supporting aquatic products are horizontally fixed on the air permeable sleeves; an air containing cavity is arranged inside the upper die, an air blowing hole corresponding to the position of the aquatic product processing cavity is arranged on the lower surface of the upper die, the air blowing hole is communicated with the air containing cavity, and one end of the air containing cavity is connected with an ultrahigh pressure compressor with the exhaust pressure being more than 1000 MPa. The upper die and the lower die correspond to each other in the vertical direction, the lifting mechanism is started to separate the lower die from the upper die, aquatic products are placed into the aquatic product treatment cavity, and the aquatic products fall on the supporting net in the aquatic product treatment cavity. Aquatic products are suspended on the supporting net, and primary water control can be realized. Starting the lifting device to enable the lower die to be attached to the upper die, and forming sealing in the aquatic product treatment cavity; and starting the vacuum air pump to form downward vacuum negative pressure in the air suction cavity and the aquatic product treatment cavity. In the process, the aquatic products are sucked from top to bottom, so that water on the aquatic products is separated from the aquatic products more easily, and secondary water control is realized. But also can exhaust the air in the aquatic product treatment cavity. The ultrahigh pressure compressor is started to discharge high-pressure gas more than 1000MPa into the air containing cavity, the vacuum air pump is simultaneously closed, the high-pressure gas can quickly enter the aquatic product treatment cavity due to the negative pressure in the aquatic product treatment cavity, and when the high-pressure gas is blown into the aquatic product treatment cavity through the air blowing holes, the aquatic products are subjected to instantaneous high pressure, so that the water on the aquatic products is separated from the aquatic products more easily, and the water control for three times is realized. After the aquatic product treatment cavity is filled with high-pressure gas, high pressure is formed in the aquatic product treatment cavity, so that the aquatic product is kept in a high-pressure state for 20 minutes in the aquatic product treatment cavity; starting a vacuum air pump to discharge high-pressure air in the aquatic product treatment cavity, then closing the vacuum air pump, starting an ultrahigh pressure compressor to increase air pressure in the aquatic product treatment cavity, and keeping the high-pressure state for 20 minutes; repeating the above operation again, and maintaining the high pressure for 20 minutes to finish sterilization. The whole device can keep the aquatic products for 20 minutes under the high pressure of more than 1000MPa, and the cycle is carried out for three times, so that most kinds of bacteria can be effectively killed, and effective sterilization is realized; in addition, in the whole sterilization process, the aquatic products are subjected to the water control process of which the degree is gradually increased three times, so that the water on the aquatic products is separated from the aquatic products, and the subsequent freezing is facilitated. Not only enhances the sterilization effect and improves the production quality, but also simultaneously carries out sterilization and water control and saves the production time.
Preferably, one surface of the inner surface of the air suction cavity, which is close to the aquatic product treatment cavity, is provided with a plurality of air guide grooves, the air guide grooves are spherical crown surfaces, a plurality of air suction holes are connected to the same air guide groove, and the axes of the air suction holes are positioned in the diameter direction of the air guide grooves. One side that the intracavity surface of breathing in is close to aquatic products treatment chamber is provided with a plurality of air guide recess, and the air guide recess is the spherical crown face moreover, and a plurality of suction holes are connected on same air guide recess, and the air guide recess can be to the gas direction, and before gas got into the chamber of breathing in through the suction hole, utilize the air guide recess to the direction of flow and the buffering of the interior inspiratory gas of a plurality of suction holes, avoid breathing in the intracavity and form the vortex, the increase efficiency of breathing in. The axis of the air suction hole is located in the diameter direction of the air guide groove, namely, the distribution density of one end, close to the air guide sleeve, of the air suction hole is increased, so that the suction force on the surface of the air guide die sleeve is uniform, the direction of air sucked by the air suction hole faces to the sphere center of the air guide groove, the guide balance and the buffering effect of the air guide groove are increased, and meanwhile, the efficiency of separating water from aquatic products on the aquatic products is improved during secondary water control.
Preferably, the breathable sleeve is formed by weaving breathable threads, the cross section of the breathable threads is triangular, the breathable threads comprise a first longitudinal thread, a second longitudinal thread, a third longitudinal thread and a winding thread, the diameters of the first longitudinal thread, the second longitudinal thread and the third longitudinal thread are the same, the axis of the first longitudinal thread, the axis of the second longitudinal thread and the axis of the third longitudinal thread are respectively located at three end points of a regular triangle, the center of the regular triangle is the center of the breathable threads, one end of the winding thread surrounds a semicircular arc surface on one side, away from the center of the breathable threads, of the first longitudinal thread, surrounds a semicircular arc surface on one side, away from the center of the breathable threads, of the second longitudinal thread, surrounds a semicircular arc surface on one side, away from the center of the breathable threads, of the third longitudinal thread, surrounds the center of the breathable threads, winds back on the semicircular arc surface on one side, away from the center of the first longitudinal threads, and sequentially surrounds the first longitudinal thread, the second longitudinal thread, the semicircular arc surface, the second longitudinal thread, the third longitudinal thread and the semicircular arc surface, Between the second longitudinal line and the third longitudinal line. The breathable sleeve is formed by weaving breathable lines, each breathable line comprises a first longitudinal line, a second longitudinal line, a third longitudinal line and a winding, the first longitudinal line, the second longitudinal line and the third longitudinal line serve as a supporting base of the whole breathable line, one end of the winding surrounds a semicircular arc surface on one side, away from the center of the breathable line, of the first longitudinal line, surrounds a semicircular arc surface on one side, away from the center of the breathable line, of the second longitudinal line after the center of the breathable line is wound, surrounds a semicircular arc surface on one side, away from the center of the breathable line, of the third longitudinal line after the center of the breathable line is wound, winds the semicircular arc surface on one side, away from the center of the breathable line, of the first longitudinal line after the center of the breathable line is wound, and sequentially winds among the first longitudinal line, the second longitudinal line and the third longitudinal line. The winding becomes a connecting line among the first longitudinal line, the second longitudinal line and the third longitudinal line, so that the cross section of the whole breathable line is in a regular triangle shape. The wire winding alternates in first indulge the line, the second indulges the space department between the line and the third indulges, has increased ventilative line's joint strength, has increased ventilative radial elasticity simultaneously, has increased ventilative radial shrinkage promptly and tensile performance, has strengthened whole ventilative line self axial and radial gas permeability moreover. The winding layer upon layer twines between first vertical line, second vertical line and the third vertical line, has increased the axial elasticity of ventilative line through the winding, has increased ventilative line promptly to tensile and the performance of shrink. The first longitudinal line, the second longitudinal line and the third longitudinal line can limit the axial stretching of the breathable threads to the maximum extent, and the breathable threads are prevented from being broken. The breathable sleeve is formed by weaving the breathable lines, the edges and corners of the breathable lines are clear, the pores between any two adjacent breathable lines can be enlarged, and the breathable sleeve formed by weaving has stronger tensile performance in any direction at the moment of receiving suction and high pressure, so that the breathability of the breathable sleeve can be increased.
Preferably, both ends of the ventilation line are twisted relatively to form a spiral shape. The two ends of the air permeable wire are twisted towards opposite directions, so that the air permeable wires are in a spiral shape, the hole between every two adjacent spiral air permeable wires is larger, and the air permeability is stronger. Along with ventilative line local atress is different, the helix variation in size, and the spiral degree is different, further increases the hole between the ventilative line, makes the hole inhomogeneous moreover, avoids the hole to be blockked up by other ventilative lines.
Preferably, the support net includes a plurality of sections basic units and the fold portion that sets up with the basic unit interval, and fold portion is the bilayer structure that both ends are bent, and fold portion is located the basic unit inboard, and the both ends of fold portion link to each other with the basic unit an organic whole of controlling adjacent respectively, and two adjacent basic units contact, all are provided with the inclined hole that the body was run through in the slope in basic unit and the fold portion. The fold portion sets up with the basic unit interval, and the both ends of fold portion are upwards bent and are formed bilayer structure, and the position of bending is connected with the basic unit, makes the fold position in the inboard of basic unit, and two adjacent basic units contact, make the folding three layer construction that is of supporting network. All set up the inclined hole that runs through the body of slope on basic unit and fold portion, because the supporting network is three layer construction, when high-pressure gas fills the aquatic products processing intracavity, area crescent behind the supporting network upper surface pressurized, the inclined hole opens, high-pressure gas need run through the supporting network through the inclined hole, the supporting network can be separated the high pressure, form the time delay, at this time delay in-process, aquatic products receive the pressure from top to bottom, and aquatic products self receives the support of supporting network, the water and the aquatic products separation on the aquatic products of being convenient for. When high pressure crescent, the gap department that the fold portion can be followed between two adjacent basic units expands out, and this deformation process can produce the vibration to aquatic products, makes the water on the aquatic products more can break away from with aquatic products. And fold portion is expanded by two adjacent gaps and when going out, the inclined hole on the fold portion makes high-pressure gas disperse towards each different direction, can be full of aquatic products treatment chamber rapidly after accomplishing above-mentioned process.
The treatment method of the aquatic product treatment device comprises the following steps: 1) grading, cleaning and screening according to the size of the aquatic products; 2) sterilizing the aquatic products of the same grade by using an ultrahigh pressure treatment device; 3) and (5) carrying out bolt quick freezing on the sterilized aquatic products.
Preferably, in the step 2), the lifting mechanism is started to separate the lower die from the upper die, aquatic products are put into the aquatic product treatment cavity, and the aquatic products fall on the supporting net in the aquatic product treatment cavity; starting the lifting device to enable the lower die to be attached to the upper die, and forming sealing in the aquatic product treatment cavity; starting a vacuum air pump to form downward vacuum negative pressure in the air suction cavity and the aquatic product treatment cavity; starting the ultrahigh pressure compressor to discharge high pressure gas of more than 1000MPa into the gas containing cavity, simultaneously closing the vacuum gas pump, forming high pressure in the aquatic product treatment cavity, and keeping the high pressure state for 20 minutes; starting a vacuum air pump to discharge high-pressure air in the aquatic product treatment cavity, then closing the vacuum air pump, starting an ultrahigh pressure compressor to increase air pressure in the aquatic product treatment cavity, and keeping the high-pressure state for 20 minutes; repeating the previous operation again, and maintaining the high pressure for 20 minutes to finish sterilization.
Therefore, the aquatic product treatment device and the treatment method thereof have the following advantages: the whole device can keep the aquatic products for 20 minutes under the high pressure of more than 1000MPa, and the cycle is carried out for three times, so that most kinds of bacteria can be effectively killed, and effective sterilization is realized; in addition, in the whole sterilization process, the aquatic products are subjected to the water control process of which the degree is gradually increased three times, so that the water on the aquatic products is separated from the aquatic products, and the subsequent freezing is facilitated. Not only enhances the sterilization effect and improves the production quality, but also simultaneously carries out sterilization and water control and saves the production time.
Drawings
FIG. 1 is a schematic diagram of the present invention;
FIG. 2 is a schematic view of a configuration of a state of use of the present invention;
FIG. 3 is a cross-sectional view of a gas permeable wire according to the present invention;
FIG. 4 is an enlarged partial cross-sectional view of a breathable web according to the present invention;
FIG. 5 is a schematic cross-sectional view of a support screen;
fig. 6 is a schematic structural view of a deformed state of the support net.
Illustration of the drawings: the method comprises the following steps of 1-an upper die, 2-a lower die, 3-a vacuum air pump, 4-an air suction cavity, 5-an air suction hole, 6-an air guide groove, 7-an ultrahigh pressure compressor, 8-an air containing cavity, 9-an air blowing hole, 10-a lifting device, 11-an aquatic product processing cavity, 12-an air permeable sleeve, 13-a first longitudinal line, 14-a second longitudinal line, 15-a third longitudinal line, 16-a winding line, 17-a support net, 18-a base layer, 19-a folded part, 20-an inclined hole and 21-a sealing gasket.
Detailed Description
The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.
Example 1: as shown in fig. 1, an aquatic product treatment device comprises an ultrahigh pressure treatment device, wherein the ultrahigh pressure treatment device comprises an upper die 1 and a lower die 2, a sealing gasket 21 is arranged between the upper die and the lower die, a lifting mechanism 10 is arranged at the bottom of the lower die, a plurality of aquatic product treatment cavities 11 are arranged on the lower die, an air suction cavity 4 is arranged inside the lower die, one end of the air suction cavity is connected with a vacuum air pump 3, the air suction cavity is communicated with the aquatic product treatment cavities through a plurality of air suction holes 5, an air permeable sleeve 12 is embedded inside the aquatic product treatment cavities, and a supporting net 17 for supporting aquatic products is horizontally fixed on the air permeable sleeve; an air containing cavity 8 is arranged in the upper die, a blowing hole 9 corresponding to the position of the aquatic product processing cavity is arranged on the lower surface of the upper die, the blowing hole is communicated with the air containing cavity, and one end of the air containing cavity is connected with an ultrahigh pressure compressor 7 with the exhaust pressure being more than 1000 MPa. The surface of the inner surface of the air suction cavity, which is close to the aquatic product treatment cavity, is provided with a plurality of air guide grooves 6, the air guide grooves are spherical crown surfaces, a plurality of air suction holes are connected to the same air guide groove, and the axes of the air suction holes are positioned in the diameter direction of the air guide grooves. As shown in fig. 3 and 4, the air permeable cover is woven by air permeable threads, the cross section of the air permeable threads is triangular, the air permeable threads comprise a first longitudinal thread 13, a second longitudinal thread 14, a third longitudinal thread 15 and a winding 16, the diameters of the first longitudinal thread, the second longitudinal thread and the third longitudinal thread are the same, the axis of the first longitudinal thread, the axis of the second longitudinal thread and the axis of the third longitudinal thread are respectively located at three end points of a regular triangle, the center of the regular triangle is the center of the yarn, one end of the winding surrounds a semicircular arc surface at one side of the first longitudinal thread far from the center of the yarn, surrounds a semicircular arc surface at one side of the second longitudinal thread far from the center of the yarn after the center of the yarn, surrounds a semicircular arc surface at one side of the third longitudinal thread far from the center of the yarn after the center of the yarn, winds the semicircular arc surfaces at one side of the first longitudinal thread far from the center of the yarn after the center of the yarn, and winds the semicircular arc surfaces at one side of the first longitudinal thread far from the center of the first longitudinal thread in sequence, Between the second longitudinal line and the third longitudinal line. The two ends of the ventilation line are twisted relatively to form a spiral shape. As shown in fig. 5 and 6, the support net includes a plurality of sections of base layers 18 and a corrugated portion 19 arranged at an interval with the base layers, the corrugated portion is a double-layer structure with two bent ends, the corrugated portion is located inside the base layers, two ends of the corrugated portion are respectively connected with left and right adjacent base layers integrally, two adjacent base layers are in contact with each other, and inclined holes 20 penetrating through the pipe body in an inclined manner are arranged on the base layers and the corrugated portion.
The upper die and the lower die correspond to each other in the vertical direction, the lifting mechanism is started to separate the lower die from the upper die, aquatic products are put into the aquatic product treatment cavity, and the aquatic products fall on the supporting net in the aquatic product treatment cavity. Aquatic products are suspended on the supporting net, and primary water control can be realized. Starting the lifting device to enable the lower die to be attached to the upper die, and forming sealing in the aquatic product treatment cavity; and starting the vacuum air pump to form downward vacuum negative pressure in the air suction cavity and the aquatic product treatment cavity. In the process, the aquatic products are sucked from top to bottom, so that water on the aquatic products is separated from the aquatic products more easily, and secondary water control is realized. But also can exhaust the air in the aquatic product treatment cavity. The ultrahigh pressure compressor is started to discharge high-pressure gas more than 1000MPa into the air containing cavity, the vacuum air pump is simultaneously closed, the high-pressure gas can quickly enter the aquatic product treatment cavity due to the negative pressure in the aquatic product treatment cavity, and when the high-pressure gas is blown into the aquatic product treatment cavity through the air blowing holes, the aquatic products are subjected to instantaneous high pressure, so that the water on the aquatic products is separated from the aquatic products more easily, and the water control for three times is realized. After the aquatic product treatment cavity is filled with high-pressure gas, high pressure is formed in the aquatic product treatment cavity, so that the aquatic product is kept in a high-pressure state for 20 minutes in the aquatic product treatment cavity; starting a vacuum air pump to discharge high-pressure air in the aquatic product treatment cavity, then closing the vacuum air pump, starting an ultrahigh pressure compressor to increase air pressure in the aquatic product treatment cavity, and keeping the high-pressure state for 20 minutes; repeating the above operation again, and maintaining the high pressure for 20 minutes to finish sterilization. The whole device can keep the aquatic products for 20 minutes under the high pressure of more than 1000MPa, and the cycle is carried out for three times, so that most kinds of bacteria can be effectively killed, and effective sterilization is realized; in addition, in the whole sterilization process, the aquatic products are subjected to the water control process with the degree gradually increased for three times, so that water on the aquatic products is separated from the aquatic products, and the subsequent freezing is facilitated. Not only enhances the sterilization effect and improves the production quality, but also simultaneously performs sterilization and water control and saves the production time. One side that the intracavity surface of breathing in is close to aquatic products processing chamber is provided with a plurality of air guide recess, and the air guide recess is the spherical crown face moreover, and a plurality of suction holes are connected on same air guide recess, and the air guide recess can be to gas direction, and before gas got into the chamber of breathing in through the suction hole, utilize the air guide recess to the flow direction and the buffering of the interior suction gas of a plurality of suction holes, avoid breathing in the intracavity and form the vortex, the increase efficiency of breathing in. The axis of the air suction hole is located in the diameter direction of the air guide groove, namely, the distribution density of one end, close to the air guide sleeve, of the air suction hole is increased, so that the surface suction force of the air guide sleeve is uniform, the direction of air sucked by the air suction hole faces to the center of a sphere of the air guide groove, the guide balance and the buffering effect of the air guide groove are increased, and meanwhile, the separation efficiency of water on aquatic products and aquatic products is improved during secondary water control. The breathable cover is formed by weaving breathable lines, each breathable line comprises a first longitudinal line, a second longitudinal line, a third longitudinal line and a winding, the first longitudinal line, the second longitudinal line and the third longitudinal line serve as a supporting base of the whole breathable line, one end of the winding surrounds a semicircular arc surface on one side, away from the center of the breathable line, of the first longitudinal line, surrounds a semicircular arc surface on one side, away from the center of the breathable line, of the second longitudinal line after the center of the breathable line, surrounds a semicircular arc surface on one side, away from the center of the breathable line, of the third longitudinal line after the center of the breathable line, winds the semicircular arc surfaces on one side, away from the center of the breathable line, of the first longitudinal line back around the center of the breathable line, and sequentially winds the breathable cover between the first longitudinal line, the second longitudinal line and the third longitudinal line. The winding becomes a connecting line among the first longitudinal line, the second longitudinal line and the third longitudinal line, so that the cross section of the whole breathable line is in a regular triangle shape. The wire winding alternates in the first line of indulging, the second is indulged the space department between the line and the third, has increased the joint strength of ventilative line, has increased the radial elasticity of ventilative line simultaneously, has increased ventilative line radial shrinkage promptly and tensile performance, has strengthened whole ventilative line self axial and radial gas permeability moreover. The winding layer upon layer twines between first vertical line, second vertical line and the third vertical line, has increased the axial elasticity of ventilative line through the winding, has increased ventilative line promptly to tensile and the performance of shrink. The first longitudinal line, the second longitudinal line and the third longitudinal line can limit the axial stretching of the breathable threads to the maximum extent, and the breathable threads are prevented from being broken. The breathable sleeve is formed by weaving the breathable threads, the edges and corners of the breathable threads are clear, the pores between any two adjacent breathable threads can be increased, and the breathable sleeve formed by weaving has stronger tensile performance in any direction at the moment of receiving suction and high pressure, so that the breathability of the breathable sleeve can be increased. The two ends of the air permeable wire are twisted towards opposite directions, so that the air permeable wires are in a spiral shape, the hole between every two adjacent spiral air permeable wires is large, and the air permeability is stronger. Along with the local atress of ventilative line is different, the helix size is different, and the spiral degree is different, further increases the hole between the ventilative line, makes the hole inhomogeneous moreover, avoids the hole to be blockked up by other ventilative lines. The fold portion sets up with the basic unit interval, and the both ends of fold portion are upwards bent and are formed bilayer structure, and the position of bending is connected with the basic unit, makes the fold position in the inboard of basic unit, and two adjacent basic units contact, make the folding three layer construction that is of supporting network. All set up the inclined hole that runs through the body of slope on basic unit and fold portion, because the supporting network is three layer construction, when high-pressure gas fills the aquatic products processing intracavity, area crescent behind the supporting network upper surface pressurized, the inclined hole opens, high-pressure gas need run through the supporting network through the inclined hole, the supporting network can be separated the high pressure, form the time delay, at this time delay in-process, aquatic products receive the pressure from top to bottom, and aquatic products self receives the support of supporting network, the water and the aquatic products separation on the aquatic products of being convenient for. When high pressure crescent, the gap department that the fold portion can be followed between two adjacent basic units expands out, and this deformation process can produce the vibration to aquatic products, makes the water on the aquatic products more can break away from with aquatic products. And when the fold part is expanded out from two adjacent gaps, the inclined holes in the fold part face to different directions, so that high-pressure gas is diffused, and the aquatic product treatment cavity can be quickly filled with the high-pressure gas after the process is completed.
The treatment method of the aquatic product treatment device comprises the following steps: 1) grading, cleaning and screening according to the size of the aquatic products; 2) sterilizing the aquatic products of the same grade by using an ultrahigh pressure treatment device; 3) and (5) carrying out bolt quick freezing on the sterilized aquatic products. Starting the lifting mechanism in the step 2), separating the lower die from the upper die, putting aquatic products into the aquatic product treatment cavity, and enabling the aquatic products to fall on the supporting net in the aquatic product treatment cavity; starting the lifting device to enable the lower die to be attached to the upper die, and forming sealing in the aquatic product treatment cavity; starting a vacuum air pump to form downward vacuum negative pressure in the air suction cavity and the aquatic product treatment cavity; starting the ultrahigh pressure compressor to discharge high pressure gas of more than 1000MPa into the gas containing cavity, simultaneously closing the vacuum gas pump, forming high pressure in the aquatic product treatment cavity, and keeping the high pressure state for 20 minutes; starting a vacuum air pump to discharge high-pressure air in the aquatic product treatment cavity, then closing the vacuum air pump, starting an ultrahigh pressure compressor to increase air pressure in the aquatic product treatment cavity, and keeping the high-pressure state for 20 minutes; repeating the above operation again, and maintaining the high pressure for 20 minutes to finish sterilization.
It should be understood that this example is only for illustrating the present invention and is not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.
Claims (5)
1. An aquatic product treatment device is characterized by comprising an ultrahigh pressure treatment device, wherein the ultrahigh pressure treatment device comprises an upper die and a lower die, the bottom of the lower die is provided with a lifting mechanism, the lower die is provided with a plurality of aquatic product treatment cavities, an air suction cavity is arranged in the lower die, one end of the air suction cavity is connected with a vacuum air pump, the air suction cavity is communicated with the aquatic product treatment cavities through a plurality of air suction holes, an air permeable sleeve is embedded in each aquatic product treatment cavity, and a supporting net for supporting aquatic products is horizontally fixed on each air permeable sleeve; go up the mould inside and be provided with the appearance air cavity, it is provided with the hole of blowing that corresponds with aquatic products processing chamber position to go up the mould lower surface, the hole of blowing is linked together with the appearance air cavity, the one end in appearance air cavity is connected with the superhigh pressure compressor that the exhaust pressure is greater than 1000MPa, the support network includes a plurality of sections basic units and the fold portion that sets up with the basic unit interval, the both ends of fold portion are upwards bent and are formed bilayer structure, the position of bending is connected with the basic unit, make the fold position in the inboard of basic unit, the both ends of fold portion link to each other with control adjacent basic unit an organic whole respectively, two adjacent basic units contact, make the folding three layer construction that is of support network, all be provided with the inclined hole that the body was run through in the slope in basic unit and fold portion.
2. The aquatic product treatment device according to claim 1, wherein a plurality of air guide grooves are formed in one surface of the inner surface of the air suction cavity, which is close to the aquatic product treatment cavity, the air guide grooves are spherical crown surfaces, a plurality of air suction holes are connected to the same air guide groove, and the axis of each air suction hole is located in the diameter direction of the air guide groove.
3. The aquatic product processing device according to claim 1, wherein the air permeable cover is woven from air permeable threads, the cross section of the air permeable threads is triangular, the air permeable threads comprise a first longitudinal thread, a second longitudinal thread, a third longitudinal thread and a winding thread, the diameters of the first longitudinal thread, the second longitudinal thread and the third longitudinal thread are the same, the axial center of the first longitudinal thread, the axial center of the second longitudinal thread and the axial center of the third longitudinal thread are respectively located at three end points of the regular triangle, the center of the regular triangle is the center of the yarn, one end of the winding thread is wound around a semicircular arc surface on one side of the first longitudinal thread far away from the center of the yarn, then wound around a semicircular arc surface on one side of the second longitudinal thread far away from the center of the yarn, wound around a semicircular arc surface on one side of the third longitudinal thread far away from the center of the yarn after the center of the yarn, and then wound around the center of the yarn and then wound back around a semicircular arc surface on one side of the first longitudinal thread far away from the center of the yarn, and sequentially wound around and between the first longitudinal line, the second longitudinal line and the third longitudinal line.
4. A aquatic product processing apparatus according to claim 3, wherein both ends of the ventilation line are twisted relatively to each other to form a spiral shape.
5. A method for treating a marine product treatment facility according to any one of claims 1 to 4, comprising the steps of: 1) grading, cleaning and screening according to the size of the aquatic products; 2) the method comprises the following steps of (1) sterilizing the aquatic products of the same grade by using an ultrahigh pressure treatment device: starting the lifting mechanism to separate the lower die from the upper die, putting aquatic products into the aquatic product treatment cavity, and enabling the aquatic products to fall on the supporting net in the aquatic product treatment cavity; starting the lifting device to enable the lower die to be attached to the upper die, and forming sealing in the aquatic product treatment cavity; starting a vacuum air pump to form downward vacuum negative pressure in the air suction cavity and the aquatic product treatment cavity; starting the ultrahigh pressure compressor to discharge high-pressure gas of more than 1000MPa into the gas containing cavity, closing the vacuum gas pump, forming high pressure in the aquatic product treatment cavity, and keeping the high pressure state for 20 minutes; starting a vacuum air pump to discharge high-pressure air in the aquatic product treatment cavity, then closing the vacuum air pump, starting an ultrahigh pressure compressor to increase air pressure in the aquatic product treatment cavity, and keeping the high-pressure state for 20 minutes; repeating the previous operation again, and maintaining the high pressure for 20 minutes to finish sterilization; 3) and (5) carrying out bolt quick freezing on the sterilized aquatic products.
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