CN115320918A - Method for preserving cattle and sheep carcasses by edible controlled-release film spraying and film spraying equipment - Google Patents

Method for preserving cattle and sheep carcasses by edible controlled-release film spraying and film spraying equipment Download PDF

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Publication number
CN115320918A
CN115320918A CN202211113682.8A CN202211113682A CN115320918A CN 115320918 A CN115320918 A CN 115320918A CN 202211113682 A CN202211113682 A CN 202211113682A CN 115320918 A CN115320918 A CN 115320918A
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CN
China
Prior art keywords
film spraying
overflow
hanging
shaped
film
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Granted
Application number
CN202211113682.8A
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Chinese (zh)
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CN115320918B (en
Inventor
张丽
马晓彤
郭兆斌
张玉斌
陈骋
师希雄
马国源
余群力
韩玲
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Gansu Agricultural University
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Gansu Agricultural University
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Publication of CN115320918A publication Critical patent/CN115320918A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B25/00—Packaging other articles presenting special problems
    • B65B25/06—Packaging slices or specially-shaped pieces of meat, cheese, or other plastic or tacky products
    • B65B25/065—Packaging slices or specially-shaped pieces of meat, cheese, or other plastic or tacky products of meat
    • B65B25/067—Packaging slices or specially-shaped pieces of meat, cheese, or other plastic or tacky products of meat combined with its conservation
    • 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
    • A23B4/10—Coating with a protective layer; Compositions or apparatus therefor
    • 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
    • A23B4/18—Preserving with chemicals not covered by groups A23B4/02 or A23B4/12 in the form of liquids or solids
    • A23B4/20—Organic compounds; Microorganisms; Enzymes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B33/00—Packaging articles by applying removable, e.g. strippable, coatings
    • B65B33/02—Packaging small articles, e.g. spare parts for machines or engines
    • 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

Abstract

The invention provides an edible controlled-release film spraying preservation method for cattle and sheep carcasses and film spraying equipment, which relate to the field of cattle and sheep carcass packaging and comprise the following operation steps: preparing a matrix material; the matrix material is used as a protection and transportation carrier, and the matrix material is mixed with the natural active substances; uniformly spraying the mixture of the matrix material and the natural active matter on the surface of the carcass by using film spraying equipment; the edible intelligent controlled-release packaging mode has the advantages that the composite particles with good dispersion are prepared through the electrostatic interaction between the protein and the polysaccharide, and are used as the protection and conveying carriers of natural active substances, the antibacterial and antioxidant properties of the coating material are improved, the raw materials are food-grade, the fresh-keeping effect is obvious, and the edible intelligent controlled-release packaging mode has application prospects in the aspects of storage and fresh keeping of fresh beef and mutton.

Description

Method for preserving cattle and sheep carcasses by edible controlled-release film spraying and film spraying equipment
Technical Field
The invention relates to the field of packaging of cattle and sheep carcasses, in particular to an edible controlled-release film spraying method and film spraying equipment for preserving cattle and sheep carcasses.
Background
In order to prevent the oxidation and microbial contamination of fresh beef and mutton during storage, a plurality of novel packaging modes such as vacuum packaging, modified air packaging, edible film active packaging and the like are developed.
Compared with the traditional packaging mode, the edible film-coated active package adds different biological activities or prepared functional packaging systems into the matrix material to obviously improve the safety of the fresh beef and mutton, furthest maintain the original taste of the fresh beef and mutton in the transportation and storage processes, and simultaneously, the natural active substances can also be used as functional antibacterial and antioxidant ingredients to improve the safety and quality of food.
Accordingly, based on the advantages of the edible coating active package, the edible coating prepared by using a new material and a new process is provided, and the packaging advantages of the edible coating are further deepened.
Disclosure of Invention
The invention aims to provide an edible controlled-release film spraying method for preserving cattle and sheep carcasses and film spraying equipment, which aim to solve the technical problems.
In order to solve the technical problems, the invention adopts the following technical scheme: the method for preserving the cattle and sheep carcasses by using the edible controlled-release spray film comprises the following operation steps:
preparing a matrix material;
the matrix material is used as a protection and transportation carrier, and the matrix material is mixed with the natural active substances;
uniformly spraying the mixture of the matrix material and the natural active matter on the surface of the carcass by using film spraying equipment;
wherein the matrix material comprises polysaccharide (such as sodium alginate, pectin, and chitosan) and protein (such as lactalbumin, collagen, and bovine serum albumin);
natural actives include gallic acid, quercetin and eugenol.
The film spraying equipment comprises a film spraying pool, wherein a supporting block which is outwards protruded is arranged at the corner of the film spraying pool, and two through grooves which are flush with the supporting block are arranged along the length direction of the film spraying pool;
the two support frames cross the film spraying pool in the width direction of the film spraying pool, two ends of each support frame extend outwards from the through grooves until the two ends of each support frame are opposite to the abutting blocks, and first springs are arranged between the outwards extending parts of the support frames and the abutting blocks, so that the support frames can horizontally translate in the length direction of the film spraying pool;
the coating assembly comprises a coating quilt and a hanging rack, wherein the coating quilt is internally provided with an accommodating cavity, and one surface of the coating quilt, which is contacted with the trunk body, is provided with a plurality of overflow parts for enabling the film spraying agent to overflow outwards; the hanging rack is an end connecting piece covering the quilt in the width direction, and is hung below the supporting rack, so that the hanging rack can axially rotate relative to the supporting rack;
the height control assemblies are positioned at two ends of the width direction of the film spraying pool and are provided with two parallel channels;
the conveying pipe penetrates through a channel, so that one end of the conveying pipe is connected to a hanging point of the hanging frame and the support frame, and the conveying pipe is used for guiding the film spraying agent into the coating quilt from the support frame;
the rope, the rope passes another passageway, makes rope one end be connected to the stores pylon and keeps away from the tip of hanging the point, and the counter weight is hung to the other end for when the trunk suppression cladding is by, make two support frames gather together to after the counter weight conflict height control subassembly, keep away from the tip of hanging the point by rope tractive stores pylon, make the stores pylon for supporting the deflection of frame, and by the cladding totally clad the trunk.
Preferably, the plurality of overflow parts are small concave holes arranged on one surface of the cladding quilt contacting body, and the small concave holes are communicated with the containing cavity in the cladding quilt.
Preferably, the plurality of overflow portions are outer convex portions arranged on one surface of the coated body, the outer convex portions comprise overflow cups which are reversely buckled on the surface of the coated body and bulges which are arranged in the overflow cups and extend inwards to the coated body, a plurality of overflow holes are arranged on the side walls of the overflow cups, and the bulges keep intervals to the side walls of the overflow cups, so that the film spraying agent can overflow outwards from the intervals to the overflow holes.
Preferably, the two ends of the film spraying pool in the width direction are provided with T-shaped grooves parallel to the height direction, and the T-shaped grooves are in sliding fit with the height control assembly and used for changing the deflection time of the hanging frame relative to the support frame when the height control assembly moves to the height direction relative to the film spraying pool.
Preferably, the height control assembly comprises a sliding block matched with the T-shaped groove and a hanging seat arranged outside the T-shaped groove and connected with the sliding block, the sliding block is hollow, a screw groove which is directly pointed to the groove wall of the T-shaped groove is formed in the sliding block and hanging seat assembly, and a screw is bolted in the screw groove and used for fixing the assembly to the T-shaped groove when the screw tightly presses the groove wall of the T-shaped groove.
Preferably, the hanging seat is provided with two parallel through channels.
Preferably, a material conveying valve used for controlling the opening or closing of the material conveying pipe is hung at the other end of the material conveying pipe, the material conveying valve comprises a valve cup and a valve cover covering the opening of the valve cup, a pipeline interface connected with an external pump set is arranged at the bottom of the valve cup, and a sleeve pipe with two ends extending beyond the valve cover is inserted into the middle of the valve cover;
the sleeve is arranged in the middle of the valve cover, a plurality of L-shaped insertion blocks surrounding the sleeve are arranged in the middle of the valve cover, and the L-shaped insertion blocks are inversely inserted at the valve cover and extend into the sleeve until being tightly attached to the surface of the sleeve;
through holes which are opposite to the plurality of L-shaped inserting blocks are arranged at the sleeve positioned in the valve cup;
and the L-shaped insertion block in the valve cup is provided with an adaptation port which can be coincided with the through holes, and the adaptation port is abutted against the height control assembly and is gradually coincided with the through holes when the L-shaped insertion block is deeply inserted into the valve cup.
Preferably, a plurality of lantern rings are arranged at the outward end part of the valve cover; the L-shaped insert block positioned outside the valve cup is provided with a second spring which is close to and contacted with the end part of the valve cover, one end of the second spring, which is contacted with the valve cover, is embedded into the sleeve ring and used for accumulating the kinetic energy required by the reset of the L-shaped insert block by the second spring when the L-shaped insert block is deep into the valve cup.
Preferably, the supporting frame comprises a supporting plate and a limiting plate arranged at the top of the supporting plate, wherein two ends of the supporting plate extend outwards from the through groove, and two ends of the limiting plate are tightly attached to the inner wall of the membrane spraying pool, so that the supporting plate can horizontally move only in the through groove along one direction;
the middle of the supporting plate and the limiting plate is provided with a shaft tube which can rotate axially relative to the supporting plate and the limiting plate, and the shaft tube is used for connecting the material conveying pipe and hanging the hanging rack so as to communicate the material conveying pipe with the overflow part.
The invention has the beneficial effects that:
1. the edible intelligent controlled-release packaging mode has the advantages that the composite particles with good dispersion are prepared through the electrostatic interaction between the protein and the polysaccharide, and are used as the protection and conveying carriers of natural active substances, the antibacterial and antioxidant properties of the coating material are improved, the raw materials are food-grade, the fresh-keeping effect is obvious, and the edible intelligent controlled-release packaging mode has application prospects in the aspects of storage and fresh keeping of fresh beef and mutton.
2. The film spraying device aims at enabling the supporting frames at two sides of the coated quilt to approach the middle of a film spraying pool under the action of pulling force when the trunk body falls into the tank from high to low and presses the coated quilt, and enabling the supporting frames at two ends of the coated quilt to deflect compared with the supporting frames by the aid of further movement of a binding rope when the height control assembly is contacted by a balance weight during the approaching period, so that the coated quilt is distorted, a U-shaped or V-shaped opening exposed at the coated position is closed, the trunk body is coated in a closed space, the film spraying agent is released into the closed space from an inwards concave small hole in the matching of a conveying pipe, the film spraying agent is attached to the surface of the trunk body in a narrow space as much as possible, and excessive waste of the film spraying agent is avoided.
Drawings
FIG. 1 is a schematic structural view of a film spraying apparatus according to the present invention;
FIG. 2 is a schematic structural diagram of the film spraying device after the material conveying valve is removed when the cattle and sheep carcasses sink;
FIG. 3 is a schematic view of the film spraying apparatus with the feed delivery valve and the torsion assembly removed;
fig. 4 is a schematic view of a combination structure of a bracket and a cladding assembly in embodiment 2;
FIG. 5 is a schematic view of the combination structure of a material delivery valve and a torsion assembly to a height control assembly in the film spraying device;
FIG. 6 is a schematic view showing the construction of a delivery valve;
FIG. 7 is a schematic sectional view showing the structure of a delivery valve;
FIG. 8 is a schematic cross-sectional view of a height control assembly;
FIG. 9 is a schematic structural view of a film spraying apparatus proposed in example 3;
fig. 10 is a schematic view of an assembly structure of a bracket and a sheathing assembly in embodiment 3;
FIG. 11 is a schematic sectional view showing an overflow section in example 3;
reference numerals: 1. a film spraying pool; 2. a delivery valve; 21. a valve cup; 22. a valve cover; 23. a collar; 24. an L-shaped insert block; 25. a second spring; 26. a through hole; 27. a sleeve; 3. balancing weight; 4. a height control assembly; 41. a through passage; 42. hanging a seat; 43. a screw channel; 44. a screw; 45. a slider; 5. a rope; 6. a delivery pipe; 7. a first spring; 8. a sheathing assembly; 81. an overflow section; 811. a protrusion; 812. an overflow aperture; 813. an overflow cup; 82. coating; 83. a hanger; 9. a supporting frame; 91. an axle tube; 92. a limiting plate; 93. and supporting plates.
Detailed Description
In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easily understood, the invention is further described below with reference to the specific embodiments and the attached drawings, but the following embodiments are only the preferred embodiments of the invention, and not all embodiments. Other embodiments obtained by persons skilled in the art without making creative efforts based on the embodiments in the implementation belong to the protection scope of the invention.
Specific embodiments of the present invention are described below with reference to the accompanying drawings.
Example 1
In the embodiment, the method for preserving the cattle and sheep carcasses by using the edible controlled-release spray film comprises the following operation steps:
1) Preparing a matrix material;
2) The matrix material is used as a protection and transportation carrier, and the matrix material is mixed with the natural active substances;
3) Uniformly spraying the mixture of the matrix material and the natural active substance on the surface of the carcass by using film spraying equipment;
it is noted that matrix materials include polysaccharides (e.g., sodium alginate, pectin, chitosan) and proteins (e.g., whey protein, collagen, bovine serum albumin); while natural actives include gallic acid, quercetin and eugenol.
Description of the film spraying apparatus in example 1:
the film spraying agent made of the substrate material and the natural active matter is dispersed and attached to the surface of the carcass of the cattle and sheep in a high-pressure spraying mode by a mist spraying device, and from the practical operation, most of the atomized film spraying agent disappears in the air in the dispersion process of the film spraying agent, and only part of atomized spraying agent is attached to the surface of the carcass, namely, the currently used mist spraying device has the use problem that the spraying agent is obviously wasted.
Example 2
The embodiment provides a film spraying device which comprises a film spraying pool 1, wherein a supporting block which is protruded outwards is arranged at the corner of the film spraying pool 1, two through grooves which are flush with the supporting block are arranged along the length direction of the film spraying pool 1, two supporting frames 9 stretch across the film spraying pool 1 in the width direction of the film spraying pool 1, two ends of each supporting frame 9 extend outwards from the through grooves until the supporting frame is opposite to the supporting block, and then a first spring 7 is arranged between the outwards extending part of each supporting frame 9 and the supporting block, so that the supporting frames 9 can horizontally translate in the length direction of the film spraying pool 1;
as a contact device for coating the trunk, the coating assembly 8 comprises a coating quilt 82 and a hanging rack 83, wherein a containing cavity is arranged in the coating quilt 82, and one surface of the coating quilt 82 contacting the trunk is provided with a plurality of overflow parts 81 for enabling the film spraying agent to overflow outwards, and it is noted that the overflow parts 81 are small concave holes arranged on one surface of the coating quilt 82 contacting the trunk, and the small concave holes are communicated with the containing cavity in the coating quilt 82;
the hanging rack 83 is an end connector covering the quilt 82 in the width direction, and is hung below the supporting frame 9, so that the hanging rack 83 can rotate axially relative to the supporting frame 9, and in particular, the specific rotation condition is shown in fig. 2;
in this embodiment, the height control assembly 4 is only a device fixed at two ends of the film spraying pool 1 for binding the pipeline, for this purpose, the height control assembly 4 has two parallel passages, wherein the feed pipe 6 passes through one passage, one end of the feed pipe 6 is connected to the hanging point of the hanger 83 and the supporting frame 9 for guiding the film spraying agent into the covering quilt 82 from the supporting frame 9, the rope 5 passes through the other passage, one end of the rope 5 is connected to the end of the hanger 83 far from the hanging point, and the other end is used for hanging the counterweight 3, when the covering quilt 82 is pressed by the carcass, the two supporting frames 9 are gathered together, and after the counterweight 3 is abutted against the height control assembly 4, the end of the hanger 83 far from the hanging point is pulled by the rope 5, so that the hanger 83 deflects relative to the supporting frames 9, and the covering quilt 82 completely covers the carcass.
Referring to fig. 1-7, in the present embodiment, a film spraying apparatus is proposed, which combines a film spraying tank 1, a counterweight 3, a height control assembly 4 (only fixed to two ends of the film spraying tank 1 for constraining a pipeline), a rope 5, a material conveying pipe 6, a first spring 7, a coating assembly 8, and a support frame 9, and aims to make the support frames 9 located at two sides of the coating 82 approach to the middle of the film spraying tank 1 under the pulling force action when a body falls from high to low and presses the coating 82, and make the counterweight 3 contact the height control assembly 4 during the approach, so as to further move the binding rope 5, make the hangers 83 mounted at two ends of the coating 82 deflect compared with the support frames 9, further distort the coating 82, close a U-shaped or V-shaped opening exposed at the coating 82, so as to coat the body with a closed space, so that a small hole releases a spraying film into the closed space, so as much as possible to avoid the film spraying agent from being attached to the inner concave surface of the body, and avoid the film spraying agent being wasted.
It should be noted that when the covering 82 is pressed down by the carcass, the friction force generated by the contact between the bottom of the covering 82, which is first in contact with the carcass, and the carcass is significantly larger than the friction force generated by the contact between the bottom of the covering 82 and the carcass at other positions, so that the relative sliding and deflection is difficult or impossible at the contact position between the bottom of the covering 82 and the carcass during the twisting, and therefore, the covering 82 can completely cover the carcass when the rope 5 pulls one end of the hanging rack 83.
Further, the surface of the coverlet 82 has a hydrophobic as well as an oleophobic coating, so that there is no concern that oil or sprays will contaminate the coverlet 82 during contact with the carcass.
Example 3
The embodiment provides a film spraying device which comprises a film spraying pool 1, wherein a supporting block which is protruded outwards is arranged at the corner of the film spraying pool 1, two through grooves which are flush with the supporting block are arranged along the length direction of the film spraying pool 1, two supporting frames 9 stretch across the film spraying pool 1 in the width direction of the film spraying pool 1, two ends of each supporting frame 9 extend outwards from the through grooves until the supporting frame is opposite to the supporting block, and then a first spring 7 is arranged between the outwards extending part of each supporting frame 9 and the supporting block, so that the supporting frames 9 can horizontally translate in the length direction of the film spraying pool 1;
the coating assembly 8 comprises a coating quilt 82 and a hanging rack 83 as a contact device for coating the trunk body, wherein the coating quilt 82 is internally provided with a containing cavity, and one surface of the coating quilt 82 contacting the trunk body is provided with a plurality of overflow parts 81 for enabling the film spraying agent to overflow outwards;
unlike embodiment 2, the plurality of overflow portions 81 are arranged on the side of the covering 82 contacting the carcass, and the outer convex portions include an overflow cup 813 reversely buckled on the surface of the covering 82 and a protrusion 811 embedded in the overflow cup 813 and extending into the covering 82, wherein the sidewall of the overflow cup 813 is arranged with a plurality of overflow holes 812, and the protrusion 811 keeps a distance from the sidewall of the overflow cup 813 so that the film spraying agent can overflow from the distance to the plurality of overflow holes 812, please refer to fig. 9-11, the overflow portion 81 in this embodiment is further optimized compared with the overflow portion 81 in embodiment 1, and the optimization lies in that the overflow cup 813 contacts the carcass, so that the carcass has a certain gap with the surface of the covering 82, and the overflow holes 812 are exposed from the gap, which facilitates the film spraying agent to contact the surface of the carcass without obstruction;
further, referring to fig. 11, the overflow cup 813 is provided with a protrusion 811 extending into the covering quilt 82, and the protrusion 811 can cover the inner wall of the covering quilt 82 with the protrusion 811 by pushing against the protrusion 811 during the twisting of the covering quilt 82, so that the connection between the overflow cup 813 and the covering quilt 82 is always in a smooth state, and the phenomenon that the connection between the overflow cup 813 and the covering quilt 82 is pressed and the passage is blocked when the covering quilt 82 is pressed and twisted by the trunk is avoided.
The hanging rack 83 is an end connector covering the quilt 82 in the width direction, and is hung below the supporting frame 9, so that the hanging rack 83 can rotate axially relative to the supporting frame 9, and in particular, the specific rotation condition is shown in fig. 2;
different from the embodiment 2, the height control assembly 4 is a wire harness device capable of moving in the height direction relative to the side wall of the film spraying pool 1, specifically referring to fig. 8, T-shaped grooves parallel to the height direction are arranged at two ends in the width direction of the film spraying pool 1, and the T-shaped grooves are in sliding fit with the height control assembly 4 and used for changing the deflection time of the hanging frame 83 relative to the support frame 9 when the height control assembly 4 moves in the height direction relative to the film spraying pool 1;
for an explanation of the deflection timing, please refer to the following example:
in example 1, please refer to fig. 9, the height control assembly 4 is moved upward from the position, after the movement, the movement property of the rope 5 tied by the counterweight 3 is unchanged, but the length of the rope 5 entering the film spraying tank 1 is obviously lengthened when being tied, therefore, the supporting frame 9 needs to be moved further to the middle to enable the hanging frame 83 to deflect relative to the supporting frame 9;
in example 2, referring to fig. 9, the height control assembly 4 is moved downward from this position, and after the movement, the movement property of the counterweight 3 for binding the rope 5 is unchanged, but when the rope 5 is bound, the length of the rope entering the film spraying pool 1 is obviously shortened, and accordingly, after the amount of the movement of the support frame 9 in the middle direction is obviously shortened compared with that in example 1, the hanging frame 83 can also deflect relative to the support frame 9.
In combination with examples 1 and 2, the height control assembly 4 has a function of controlling the timing of the swing of the hanger 83 with respect to the support frame 9, and the timing of the swing can be controlled based on the size of the carcass during use.
The height control assembly 4 is further explained and comprises a sliding block 45 matched with the T-shaped groove and a hanging seat 42 positioned outside the T-shaped groove and connected with the sliding block 45, wherein the sliding block 45 is hollow, a screw groove 43 which is directly pointed to the wall of the T-shaped groove is arranged in a combination body of the sliding block 45 and the hanging seat 42, and a screw 44 is bolted in the screw groove 43 and used for fixing the combination body to the T-shaped groove when the screw 44 tightly presses the wall of the T-shaped groove;
it should be noted that the hanging seat 42 is provided with two parallel through channels 41;
the conveying pipe 6 penetrates through one through channel 41, one end of the conveying pipe 6 is connected to a hanging point of the hanging frame 83 and the supporting frame 9 and used for enabling the film spraying agent to be guided into the covering quilt 82 through the supporting frame 9, the rope 5 penetrates through the other through channel 41, one end of the rope 5 is connected to the end portion, far away from the hanging point, of the hanging frame 83, the balance weight 3 is hung at the other end of the rope, when the body is used for pressing the covering quilt 82, the two supporting frames 9 are gathered inwards, and after the balance weight 3 abuts against the height control assembly 4, the end portion, far away from the hanging point, of the hanging frame 83 is pulled through the rope 5, the hanging frame 83 deflects relative to the supporting frames 9, and the covering quilt 82 completely covers the body.
Referring to fig. 8-11, the present embodiment provides a film spraying apparatus, which combines a film spraying tank 1, a counterweight 3, a height control assembly 4, a rope 5, a material conveying pipe 6, a first spring 7, a coating assembly 8, and a support frame 9, and aims to make the support frames 9 located at two sides of the coated film 82 approach to the middle of the film spraying tank 1 in a pulling force effect when the body falls from high to low and presses the coated film 82, and make the counterweight 3 contact the height control assembly 4 during the approach period, so as to further move the rope 5, so that the hangers 83 installed at two ends of the coated film 82 deflect compared with the support frames 9, further distort the coated film 82, so as to close the U-like or V-like opening exposed at the coated film 82, so as to coat the body relative to the closed space, so that in cooperation with the material conveying pipe 6, the film spraying agent is released into the closed space from a small hole, so that the film spraying agent is released into the closed space as small as possible, and the film spraying agent is prevented from being attached to the surface of the body, and excessive atomization.
In the embodiment 2 and the embodiment 3, in order to make the film spraying agent enter and be matched with the body covered by the covering 82, the other end of the feed pipe 6 is hung with the feed valve 2 for controlling the opening or closing of the feed pipe 6, and the feed valve 2 is completely spliced by mechanical components, is supported by no gasification equipment in the using process, has extremely high response speed, and the feed valve 2 is further explained by referring to fig. 6 and fig. 7 as follows:
the other end of the feed delivery pipe 6 is hung with a feed delivery valve 2 for controlling the opening or closing of the feed delivery pipe 6, the feed delivery valve 2 comprises a valve cup 21 and a valve cover 22 covering the opening of the valve cup 21, wherein the bottom of the valve cup 21 is provided with a pipeline interface connected with an external pump set, and a sleeve 27 with two ends extending beyond the valve cover 22 is inserted in the middle of the valve cover 22;
a plurality of L-shaped inserts 24 surrounding the sleeve 27 are arranged in the sleeve 27, and the L-shaped inserts 24 are inversely inserted at the valve cover 22 and extend into the sleeve 27 until being tightly attached to the surface of the sleeve 27;
a through hole 26 opposite to the plurality of L-shaped insertion blocks 24 is arranged at a sleeve 27 positioned in the valve cup 21;
an adapting opening which can be coincided with the through holes 26 is arranged at the L-shaped inserting block 24 positioned in the valve cup 21 and is used for enabling the adapting opening and the through holes 26 to approach and gradually coincide when the L-shaped inserting block 24 props against the height control assembly 4 and is deep towards the valve cup 21.
The working mechanism of the feed delivery valve 2 is whether to contact the height control assembly 4, namely, the L-shaped insert 24 contacts the height control assembly 4 during the movement of the feed delivery pipe 6 pulled by the shaft tube 91, and the L-shaped insert 24 is pressed further into the valve cup 21 during the continuous pulling of the feed delivery pipe 6, so that the atomized film spraying agent is guided into the quilt 82 when the adapting port at the L-shaped insert 24 is close to and overlapped with the through hole 26 at the sleeve 27;
it should be noted that when the covering 82 covers the carcass completely, the fitting opening is completely overlapped with the through hole 26;
in order to quickly return the L-shaped insert 24 when the barrel releases the pressing of the covering quilt 82, a plurality of collars 23 are provided on the outward end of the valve cover 22, and the second spring 25 disposed in the L-shaped insert 24 located outside the valve cup 21 is fitted into the collars 23, so that when the L-shaped insert 24 is inserted deep into the valve cup 21, the kinetic energy required for returning the L-shaped insert 24 is accumulated in the second spring 25, and when the barrel releases the pressing of the covering quilt 82, the L-shaped insert 24 is retracted outward from the valve cup 21, and the fitting opening is displaced from the through hole 26 again.
The bracing frame 9 related to embodiments 2 and 3 is described, which includes a bracing plate 93 and a limiting plate 92 mounted on the top of the bracing plate 93, wherein two ends of the bracing plate 93 extend outwards from a through groove, and two ends of the limiting plate 92 are tightly attached to the inner wall of the film spraying tank 1, so that the bracing plate 93 can move horizontally only in the through groove along one direction;
a shaft tube 91 axially rotatable relative to the support plate 93 and the limit plate 92 is provided at the center of the support plate 93 and the limit plate 92, and the shaft tube 91 is used for connecting the feed pipe 6 and hanging the hanger 83 so that the feed pipe 6 communicates with the overflow part 81.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.
The foregoing shows and describes the general principles, principal features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. The method for preserving the cattle and sheep carcasses by the edible controlled-release spray film is characterized by comprising the following operation steps:
preparing a matrix material;
the matrix material is used as a protection and transportation carrier, and the matrix material is mixed with the natural active substances;
uniformly spraying the mixture of the matrix material and the natural active substance on the surface of the carcass by using film spraying equipment;
wherein the matrix material comprises a polysaccharide and a protein;
natural actives include gallic acid, quercetin and eugenol.
2. The apparatus for coating an edible controlled release coated bovine or ovine carcass according to claim, comprising:
the corner of the film spraying pool is provided with a support block which is convex outwards, and two through grooves which are flush with the support block are arranged along the length direction of the film spraying pool;
the two support frames cross the film spraying pool in the width direction of the film spraying pool, two ends of each support frame extend outwards from the through grooves until the two ends of each support frame are opposite to the abutting blocks, and first springs are arranged between the outwards extending parts of the support frames and the abutting blocks, so that the support frames can horizontally translate in the length direction of the film spraying pool;
the coating assembly comprises a coating quilt and a hanging rack, wherein the coating quilt is internally provided with an accommodating cavity, and one surface of the coating quilt, which is contacted with the body, is provided with a plurality of overflow parts for enabling the film spraying agent to overflow outwards; the hanging rack is an end connecting piece covering the quilt in the width direction, and is hung below the supporting rack, so that the hanging rack can axially rotate relative to the supporting rack;
the height control assemblies are positioned at two ends of the width direction of the film spraying pool and are provided with two parallel channels;
the conveying pipe penetrates through a channel, so that one end of the conveying pipe is connected to a hanging point of the hanging rack and the supporting rack, and the conveying pipe is used for guiding the film spraying agent into the coating quilt from the supporting rack;
the rope, the rope passes another passageway, makes rope one end be connected to the stores pylon and keeps away from the tip of hanging the point, and the counter weight is hung to the other end for when the trunk suppression cladding is by, make two support frames gather together to after the counter weight conflict height control subassembly, keep away from the tip of hanging the point by rope tractive stores pylon, make the stores pylon for supporting the deflection of frame, and by the cladding totally clad the trunk.
3. The film spraying apparatus according to claim 2, wherein: the overflow parts are small concave holes arranged on one surface of the cladding quilt contacted body, and the small concave holes are communicated with the containing cavity in the cladding quilt.
4. The film spraying apparatus according to claim 2, wherein: the plurality of overflow parts are outer convex parts arranged on one surface of the cladding contacted with the carcass, the outer convex parts comprise overflow cups buckled on the surface of the cladding contacted with the carcass and bulges which are arranged in the overflow cups and extend inwards to the cladding contacted with the carcass, a plurality of overflow holes are arranged on the side walls of the overflow cups, and the distance is kept between the bulges and the side walls of the overflow cups, so that the film spraying agent can overflow outwards from the distance to the overflow holes.
5. The film spraying apparatus according to claim 2, wherein: and T-shaped grooves parallel to the height direction are formed in the two ends of the width direction of the film spraying pool, and the T-shaped grooves are in sliding fit with the height control assembly and used for changing the deflection time of the hanging frame relative to the support frame when the height control assembly moves to the height direction relative to the film spraying pool.
6. The film spraying apparatus according to claim 5, wherein: the height control assembly comprises a sliding block matched with the T-shaped groove and a hanging seat which is positioned outside the T-shaped groove and connected with the sliding block, wherein the sliding block is hollow, a screw groove which is directly pointed to the wall of the T-shaped groove is arranged in the sliding block and hanging seat assembly, and a screw is bolted in the screw groove and used for fixing the assembly to the T-shaped groove when the screw tightly presses the wall of the T-shaped groove.
7. The film spraying apparatus according to claim 6, wherein: the hanging seat is provided with two parallel through channels.
8. The film spraying apparatus according to claim 2, wherein: the other end of the delivery pipe is hung with a delivery valve for controlling the opening or closing of the delivery pipe, the delivery valve comprises a valve cup and a valve cover covering the opening of the valve cup, wherein the bottom of the valve cup is provided with a pipeline interface connected with an external pump set, and a sleeve pipe with two ends extending beyond the valve cover is inserted into the middle of the valve cover;
the sleeve is used as the center, a plurality of L-shaped inserting blocks surrounding the sleeve are arranged, and the L-shaped inserting blocks are inversely inserted at the valve cover and extend into the sleeve until the L-shaped inserting blocks are tightly attached to the surface of the sleeve;
through holes opposite to the L-shaped inserting blocks are formed in the sleeve positioned in the valve cup;
and the L-shaped insertion block in the valve cup is provided with an adaptation port which can be coincided with the through holes, and the adaptation port is abutted against the height control assembly and is gradually coincided with the through holes when the L-shaped insertion block is deeply inserted into the valve cup.
9. The film spraying apparatus according to claim 8, wherein: a plurality of lantern rings are arranged at the outward end part of the valve cover; the L-shaped insert block positioned outside the valve cup is provided with a second spring which is close to and contacted with the end part of the valve cover, and one end of the second spring, which is contacted with the valve cover, is embedded into the sleeve ring and used for accumulating the kinetic energy required by the reset of the L-shaped insert block by the second spring when the L-shaped insert block is deep into the valve cup.
10. The film spraying apparatus according to claim 2, wherein: the supporting frame comprises a supporting plate and a limiting plate arranged at the top of the supporting plate, wherein two ends of the supporting plate extend outwards from the through groove, and two ends of the limiting plate are tightly attached to the inner wall of the film spraying pool, so that the supporting plate can horizontally move in one direction only at the through groove;
the middle of the supporting plate and the limiting plate is provided with a shaft tube which can rotate axially relative to the supporting plate and the limiting plate, and the shaft tube is used for connecting the material conveying pipe and hanging the hanging rack so as to communicate the material conveying pipe with the overflow part.
CN202211113682.8A 2022-09-14 2022-09-14 Method for preserving carcasses of cattle and sheep by edible controlled-release spray film Active CN115320918B (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002330708A (en) * 2001-05-09 2002-11-19 Fuaabest:Kk Edible film, packaged food and antimicrobial agent
US20040043134A1 (en) * 2002-08-27 2004-03-04 Corriveau Christine Leclair Rolled edible thin film products and methods of making same
CN104140568A (en) * 2014-07-30 2014-11-12 江南大学 Edible film with continuous antioxidant function and preparation method and application thereof
CN104693811A (en) * 2015-03-27 2015-06-10 四川大学 Functional gelatin food packaging film and preparation method thereof
CN211165420U (en) * 2019-12-16 2020-08-04 中南大学 Domestic edible environmental protection plastic wrap preparation facilities
CN215270349U (en) * 2021-02-03 2021-12-24 陶虎 Biological fresh-keeping unit and biological fresh-keeping system using same

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002330708A (en) * 2001-05-09 2002-11-19 Fuaabest:Kk Edible film, packaged food and antimicrobial agent
US20040043134A1 (en) * 2002-08-27 2004-03-04 Corriveau Christine Leclair Rolled edible thin film products and methods of making same
CN104140568A (en) * 2014-07-30 2014-11-12 江南大学 Edible film with continuous antioxidant function and preparation method and application thereof
CN104693811A (en) * 2015-03-27 2015-06-10 四川大学 Functional gelatin food packaging film and preparation method thereof
CN211165420U (en) * 2019-12-16 2020-08-04 中南大学 Domestic edible environmental protection plastic wrap preparation facilities
CN215270349U (en) * 2021-02-03 2021-12-24 陶虎 Biological fresh-keeping unit and biological fresh-keeping system using same

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