CN113273661A - Preparation method and preparation system of environment-friendly food deoxidizer - Google Patents

Preparation method and preparation system of environment-friendly food deoxidizer Download PDF

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Publication number
CN113273661A
CN113273661A CN202110307822.4A CN202110307822A CN113273661A CN 113273661 A CN113273661 A CN 113273661A CN 202110307822 A CN202110307822 A CN 202110307822A CN 113273661 A CN113273661 A CN 113273661A
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Prior art keywords
deoxidizer
layer
base cloth
cloth layer
preparation
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CN202110307822.4A
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Chinese (zh)
Inventor
沈文辉
薛从福
卢灯荣
戴文智
何承政
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Fujian Jixian Biotechnology Co ltd
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Fujian Jixian Biotechnology Co ltd
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    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L3/00Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
    • A23L3/34Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals
    • A23L3/3409Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals in the form of gases, e.g. fumigation; Compositions or apparatus therefor
    • A23L3/3418Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals in the form of gases, e.g. fumigation; Compositions or apparatus therefor in a controlled atmosphere, e.g. partial vacuum, comprising only CO2, N2, O2 or H2O
    • A23L3/3427Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals in the form of gases, e.g. fumigation; Compositions or apparatus therefor in a controlled atmosphere, e.g. partial vacuum, comprising only CO2, N2, O2 or H2O in which an absorbent is placed or used
    • A23L3/3436Oxygen absorbent
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/06Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/10Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • B32B37/1207Heat-activated adhesive
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • B32B37/1284Application of adhesive
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00Ancillary operations in connection with laminating processes
    • B32B38/08Impregnating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00Ancillary operations in connection with laminating processes
    • B32B38/16Drying; Softening; Cleaning
    • B32B38/164Drying
    • DTEXTILES; PAPER
    • D03WEAVING
    • D03DWOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/07Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with halogens; with halogen acids or salts thereof; with oxides or oxyacids of halogens or salts thereof
    • D06M11/11Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with halogens; with halogen acids or salts thereof; with oxides or oxyacids of halogens or salts thereof with halogen acids or salts thereof
    • D06M11/155Halides of elements of Groups 2 or 12 of the Periodic Table
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/83Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with metals; with metal-generating compounds, e.g. metal carbonyls; Reduction of metal compounds on textiles
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/01Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
    • D06M15/03Polysaccharides or derivatives thereof
    • D06M15/11Starch or derivatives thereof
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • B32B37/1207Heat-activated adhesive
    • B32B2037/1215Hot-melt adhesive
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00Layers arrangement
    • B32B2250/20All layers being fibrous or filamentary
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2101/00Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
    • D06M2101/16Synthetic fibres, other than mineral fibres
    • D06M2101/30Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M2101/32Polyesters

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Nutrition Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Wrappers (AREA)

Abstract

The invention discloses a preparation method and a preparation system of an environment-friendly food deoxidizer, belonging to the technical field of food preservation, wherein polyester fibers and cross hollow polyester fibers are subjected to spunlace reinforcement to obtain a first cloth; carrying out spunlace reinforcement on chitin fibers and polyester fibers to obtain a second fabric; putting the first cloth into a first deoxidizing solution for dipping, drying and controlling the moisture content to obtain a first base cloth layer; placing the second fabric into a second deoxidizing solution for dipping, drying and controlling the moisture content to obtain a second base fabric layer; adhering the second base cloth layer to the upper surface and the lower surface of the first base cloth layer through an adhering device by ultrasonic hot-pressing fusion to obtain the preservation card; and (4) putting the preservation card into a packaging bag and sewing the preservation card to obtain the deoxidizer. The invention has the beneficial effects that: through ultrasonic wave hot pressing butt fusion, not only can reduce compound cost, can keep the inside spatial structure of first base cloth layer and second base cloth layer not destroyed moreover to the greatest extent.

Description

Preparation method and preparation system of environment-friendly food deoxidizer
Technical Field
The invention relates to the technical field of food preservation, in particular to a preparation method and a preparation system of an environment-friendly food deoxidizer.
Background
Food spoilage is the most prominent problem in food quality and safety, and brings huge economic loss to the world every year. The key factor causing food spoilage is the growth and metabolism of microorganisms, and the essence of the growth and metabolism is that nutritional ingredients such as protein, carbohydrate, fat and the like in food are decomposed by degrading enzymes secreted by the microorganisms, for example, protein decomposition products comprise substances which are repugnant to human beings after smelling, such as amines, hydrogen sulfide, mercaptan, indole, skatole and the like; fatty rancidity produces aldehydes, ketones, etc., and further decomposes to produce a special rancid taste. In addition, the sensory and sanitary quality of the food is seriously affected by the ulceration of the texture of the food, mucus dirt and the like, and the use value is reduced or lost. The food spoilage not only reduces the nutritive value of the food and causes people to have aversion to the taste, but also can generate various toxic and harmful substances to cause acute poisoning or chronic poisoning of eaters, and in order to achieve the purposes of food preservation, fresh keeping and prolonging the shelf life and shelf life of the food, people adopt various fresh-keeping technologies such as refrigeration, irradiation and the like, but the more convenient and economic technology is a method of adopting a deoxidizer or a fresh-keeping card for preservation, for example, Chinese patent CN103653185A discloses a moisture-proof deoxidizer for the food, which consists of 90-110 parts of iron powder, 5-15 parts of calcium chloride, 5-15 parts of activated carbon and 20-40 parts of auxiliary materials; wherein the auxiliary materials are attapulgite and montmorillonite with the mass ratio of 4-6: 4-6. Although the moisture-proof deoxidizer can maintain the deoxidizing performance under high humidity conditions and is not easy to reverse water, when a packaging bag of the deoxidizer is broken, food is easy to pollute and cannot be eaten, and the deoxidizer is hard particles and is easy to collide with food during transportation to damage the appearance of the food.
Still like chinese patent CN107215044A, an alcohol tablet food fresh-keeping card and a manufacturing method thereof are disclosed, including making into lamellar card body, the card body includes a first film material layer, a substrate layer and a second film material layer, the substrate layer is made of a cloth-based material with alcohol, the first film material layer is fixedly connected on the bottom surface of the substrate layer through adhesive glue, and the second film material layer is fixedly connected on the top surface of the substrate layer through adhesive glue. Although the mildew-proof preservative has a good mildew-proof effect, does not pollute food, and can effectively avoid the damage of food appearance caused by collision with the food in the transportation process, the preservative effect is reduced under the humidity condition, and the like.
Disclosure of Invention
The invention discloses a preparation method and a preparation system of an environment-friendly food deoxidizer, aiming at the problems that the preservation effect under the humidity condition cannot be well treated and food is easily polluted by preservation materials to cause inedibility and the like in the prior art.
Through ultrasonic wave hot pressing butt fusion, not only can reduce compound cost, can keep the inside spatial structure of first base cloth layer and second base cloth layer not destroyed moreover to the greatest extent.
Preferably, the adhesion device includes the feeding roller group, presses and attaches the workstation and pushes down the subassembly, the feeding roller group is including the first feeding roller group that is used for carrying the second base cloth layer on upper strata, the second feeding roller group that is used for carrying the first base cloth layer in the middle of second feeding roller group and the third feeding roller group that is used for carrying the second base cloth layer of lower floor, the feeding roller group sets up press and attach workstation entry position, it is located to push down the subassembly press and attach directly over the workstation, it adopts ultrasonic wave hot pressing butt fusion to push down the subassembly.
Preferably, the pushing assembly comprises a pushing plate, a pushing support rod, a pushing driving assembly and an ultrasonic generator, wherein the pushing driving assembly and the ultrasonic generator are used for controlling the pushing support rod to push downwards, the pushing support rod is installed on the pushing driving assembly, the pushing plate is fixedly installed at the lower end part of the pushing support rod, and the ultrasonic generator is installed on the pushing support rod. The outer surface of the pressing support rod is also provided with a slide rail used for guiding the pressing support rod to slide up and down.
Preferably, the pushing driving assembly comprises a driving motor, a driven wheel and a cam, the driving motor drives the driven wheel to rotate, the central shaft of the driven wheel is coaxial with the rotating shaft of the cam, and the cam abuts against the upper end of the pushing supporting rod.
Preferably, a driving wheel is installed on the rotating shaft of the driving motor, and the driving wheel and the driven wheel are in transmission through a belt.
Preferably, the lower surface of the lower lamination plate is distributed with lamination pattern welding joints for ultrasonic lamination.
Preferably, the laminate pattern weld is a matrix sequence, and each pattern element within the matrix sequence is one of circular, rectangular or oval.
Preferably, a limiting plate assembly for limiting the thickness of the adhered composite sheet is mounted behind the pressing assembly.
Preferably, a limiting wheel set for controlling the distance between the composite front base cloth is arranged in front of the pressing component.
Preferably, a rolling assembly for performing secondary compaction on the composite sheet is installed behind the limiting plate assembly.
The invention also provides a preparation method of the environment-friendly food deoxidizer, which comprises the following steps:
step one, carrying out spunlace reinforcement on 30-40 wt% of polyester fibers with the specification of 1.5D/51 mm and 60-70 wt% of cross hollow polyester fibers with the specification of 1.5-2D/51 mm to obtain a cloth I, wherein the cloth thickness is 0.8-1.2mm, and the gram weight is 80-120g/cm2(ii) a 30-40 wt% of chitin fiber with specification of 2-3D 51mm and 60-70 wt% of polyester fiber with specification of 3-6D 51mm are subjected to spunlace reinforcement to obtain a second fabric, wherein the thickness of the second fabric is 0.8-1.2mm, and the gram weight is 100-2
Step two, putting the first cloth into a first deoxidizing solution for dipping treatment, and drying the first cloth in an oven to enable the moisture content of the first cloth to be below 1% to obtain a first base cloth layer; controlling the pressure of a compression roller in the dipping process to be 10-15N, and enabling the content of the first deoxidizer in the first base cloth layer to be 30-40 wt%; placing the second fabric into a second deoxidizing solution for dipping treatment, and drying the second fabric through an oven to enable the water content of the second fabric to be below 1% to obtain a second base fabric layer; controlling the pressure of a compression roller in the dipping process to be 10-15N, and enabling the content of a second deoxidizer in the second base cloth layer to be 30-40 wt%;
adhering a second base cloth layer to the upper surface and the lower surface of the first base cloth layer, curing, and cutting into blocks with fixed sizes to obtain the preservation card;
and step four, putting the preservation card into a packaging bag and sewing the preservation card to obtain the deoxidizer.
Preferably, in the third step, the low melting point particles are attached to the upper layer and the lower layer of the first base fabric layer, the second base fabric layer is then laminated on the upper surface and the lower surface of the first base fabric layer, and the low melting point particles are melted by ultrasonic hot-press welding to attach the second base fabric layer to the first base fabric layer.
The low-melting-point particles on the surfaces of the first base cloth layer and the second base cloth layer are melted and bonded under the action of ultrasonic vibration and quickly release pressure, then a bonding structure formed by the low-melting-point particles is still in a semi-molten state in the process that the base cloth continues to move forwards and is pulled into a filament bundle shape by restoring force between the two base cloth layers, the filament bundle shape fineness and filaments are kept relatively stable and further cooled due to the limitation of the limiting plate component, and then the base cloth layers are compressed again under the action of the rolling component to achieve the purpose of adhesion.
Preferably, the ultrasonic hot-pressing pressure is 20-30N, and the amplitude is controlled to be 15-25um during welding; the vibration frequency is controlled at 20-40 KHz.
Preferably, the low-melting point particles are low-melting point polypropylene particles or low-melting point polyester particles, and the melting point of the low-melting point particles is 160-180 ℃.
Preferably, the first deoxidation solution comprises the following components in percentage by weight:
Figure BDA0002988575870000041
Figure BDA0002988575870000051
the water absorption formula system mainly containing anhydrous calcium chloride and the deoxidation formula system mainly containing activated iron powder are matched to form a film adhered to the surface of the fibers in the first base cloth layer, so that the double-layer effects of water absorption and deoxidation are achieved.
Preferably, the first deoxidation solution comprises the following components in percentage by weight:
Figure BDA0002988575870000052
preferably, the second deoxidation solution comprises the following components in percentage by weight:
Figure BDA0002988575870000053
preferably, the second deoxidation solution comprises the following components in percentage by weight:
Figure BDA0002988575870000061
the deoxidation method is characterized in that a deoxidation formula system with activated iron powder, diatomite and active carbon as main bodies is adopted, the activated iron powder is used as a base, the diatomite, the active carbon and sodium chloride are used as auxiliary materials, and the deoxidation formula system is uniformly dispersed in a solution through the combined action of a dispersing agent, cross-linked starch and an adhesive, so that a film is formed and attached to the surface of a fiber and keeps stable adhesive force with the surface of the fiber.
The carrier for containing the deoxidizing components is formed by compounding the three layers of non-woven fabrics, and the carrier is of a three-dimensional reticular space structure built by fibers, so that when the carrier is soaked in the deoxidizing solution, the deoxidizing solution forms an even film on the surfaces of the fibers, the contact area between the deoxidizing components and the space is greatly increased, and the deoxidizing effect of the deoxidizing agent and the utilization rate of the deoxidizing agent are improved.
The first base cloth layer located on the inner layer adopts the fiber with thinner specification and larger density, has good one-way moisture-conducting performance, enables moisture adsorbed on the outer layer to be quickly conducted to the inner layer and absorbed by the drying agent attached to the fiber on the inner layer, and keeps the outer layer dry.
Has the advantages that:
the technical scheme of the invention has the following beneficial effects:
(1) through ultrasonic wave hot pressing butt fusion, not only can reduce compound cost, can keep the inside spatial structure of first base cloth layer and second base cloth layer not destroyed moreover to the greatest extent.
(2) The low-melting-point particles on the surfaces of the first base cloth layer and the second base cloth layer are melted and bonded under the action of ultrasonic vibration and quickly release pressure, then a bonding structure formed by the low-melting-point particles is still in a semi-molten state in the process that the base cloth continues to move forwards and is pulled into a filament bundle shape by restoring force between the two base cloth layers, the filament bundle shape fineness and filaments are kept relatively stable and further cooled due to the limitation of the limiting plate component, and then the base cloth layers are compressed again under the action of the rolling component to achieve the purpose of adhesion.
(3) The water absorption formula system mainly containing anhydrous calcium chloride and the deoxidation formula system mainly containing activated iron powder are matched to form a film adhered to the surface of the fibers in the first base cloth layer, so that the double-layer effects of water absorption and deoxidation are achieved.
(4) The deoxidation method is characterized in that a deoxidation formula system with activated iron powder, diatomite and active carbon as main bodies is adopted, the activated iron powder is used as a base, the diatomite, the active carbon and sodium chloride are used as auxiliary materials, and the deoxidation formula system is uniformly dispersed in a solution through the combined action of a dispersing agent, cross-linked starch and an adhesive, so that a film is formed and attached to the surface of a fiber and keeps stable adhesive force with the surface of the fiber.
(5) The carrier for containing the deoxidizing components is formed by compounding the three layers of non-woven fabrics, and the carrier is of a three-dimensional reticular space structure built by fibers, so that when the carrier is soaked in the deoxidizing solution, the deoxidizing solution forms an even film on the surfaces of the fibers, the contact area between the deoxidizing components and the space is greatly increased, and the deoxidizing effect of the deoxidizing agent and the utilization rate of the deoxidizing agent are improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a control diagram of a system for preparing a deoxidizer for an environment-friendly food according to the present invention;
FIG. 2 is a schematic view of a preferred adhering apparatus of the present invention;
FIG. 3 is a partial view of a preferred hold-down assembly of the present invention.
In the figure:
1-an adhesion device; 2-a feeding roller set; 21-a first set of feed rollers; 22-a second set of feed rollers;
23-a third set of feed rollers; 3-pressing and attaching the workbench; 4-pressing the assembly; 41-pressing the laminate;
42-pressing the support rod downwards; 43-a push down drive assembly; 431-a drive motor; 432-a driven wheel;
433-a cam; 44-an ultrasonic generator; 5-a slide rail; 6-driving wheel; 7-a belt;
8-laminating pattern welding joints; 9-a limiting plate component; 10-a limit wheel set; 11-a rolling assembly;
12-a first scrim layer preparation device; 13-a second scrim layer preparation device; 14-a dicing device;
15-packaging device.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
As shown in fig. 1, the preparation system of the environment-friendly food deoxidizer comprises a first base fabric layer preparation device 12, a second base fabric layer preparation device 13, an adhesion device 1, a dicing device 14 and a packaging device 15, wherein the first base fabric layer preparation device 12 comprises an opener (not shown), a web former (not shown) and a spunlace machine (not shown), and the adhesion device 1 is an ultrasonic composite device capable of realizing ultrasonic hot-press welding of three sheets.
Through ultrasonic wave hot pressing butt fusion, not only can reduce compound cost, can keep the inside spatial structure of first base cloth layer and second base cloth layer not destroyed moreover to the greatest extent.
As shown in fig. 2, as a preferred embodiment, the adhering device 1 includes a feeding roller set 2, a pressing table 3 and a pressing assembly 4, the feeding roller set 2 includes a first feeding roller set 21 for conveying the second base fabric layer on the upper layer, a second feeding roller set 22 for conveying the first base fabric layer in the middle, and a third feeding roller set 23 for conveying the second base fabric layer on the lower layer, the feeding roller set 2 is disposed at an inlet of the pressing table 3, the pressing assembly 4 is located right above the pressing table 3, and the pressing assembly 4 is welded by ultrasonic hot pressing.
As shown in fig. 3, as a preferred embodiment, the pressing assembly 4 includes a pressing plate 41, a pressing support rod 42, a pressing driving assembly 43 for controlling the pressing of the pressing support rod 42, and an ultrasonic generator 44, wherein the pressing support rod 42 is mounted on the pressing driving assembly 43, the pressing plate 41 is fixedly mounted at the lower end of the pressing support rod 42, and the ultrasonic generator 44 is mounted on the pressing support rod 42. The outer surface of the lower pressing support rod 42 is also provided with a slide rail 5 for guiding the lower pressing support rod 42 to slide up and down.
In a preferred embodiment, the pressing drive assembly 43 includes a driving motor 431, a driven wheel 432 and a cam 433, the driving motor 431 drives the driven wheel 432 to rotate, the central axis of the driven wheel 432 is coaxial with the rotating axis of the cam 433, and the cam 433 abuts against the upper end of the pressing support rod 42.
In a preferred embodiment, a driving wheel 6 is mounted on a rotating shaft of the driving motor 431, and the driving wheel 6 and the driven wheel 432 are driven by a belt 7.
In a preferred embodiment, a lamination pattern welding head 8 for ultrasonic lamination is distributed on the lower surface of the lower lamination plate 41.
As a preferred embodiment, the laminate pattern-weld 8 is a matrix sequence, and each pattern unit in the matrix sequence is one of a circle, a rectangle or an ellipse.
In a preferred embodiment, a limiting plate assembly 9 for limiting the thickness of the adhered composite sheet is mounted behind the pressing assembly 4.
In a preferred embodiment, a limiting wheel set 10 for controlling the distance between the composite front base fabrics is installed in front of the pressing component 4.
In a preferred embodiment, a rolling assembly 11 for secondary pressing of the composite sheet is installed behind the limiting plate assembly 9.
The embodiment also provides a preparation method of the environment-friendly food deoxidizer, which comprises the following steps:
step one, carrying out spunlace reinforcement on 30-40 wt% of polyester fibers with the specification of 1.5D/51 mm and 60-70 wt% of cross hollow polyester fibers with the specification of 1.5-2D/51 mm to obtain a cloth I, wherein the cloth thickness is 0.8-1.2mm, and the gram weight is 80-120g/cm2(ii) a 30-40 wt% of chitin fiber with specification of 2-3D 51mm and 60-70 wt% of polyester fiber with specification of 3-6D 51mm are subjected to spunlace reinforcement to obtain a second fabric, wherein the thickness of the second fabric is 0.8-1.2mm, and the gram weight is 100-2
Step two, putting the first cloth into a first deoxidizing solution for dipping treatment, and drying the first cloth in an oven to enable the moisture content of the first cloth to be below 1% to obtain a first base cloth layer; controlling the pressure of a compression roller in the dipping process to be 10-15N, and enabling the content of the first deoxidizer in the first base cloth layer to be 30-40 wt%; placing the second fabric into a second deoxidizing solution for dipping treatment, and drying the second fabric through an oven to enable the water content of the second fabric to be below 1% to obtain a second base fabric layer; controlling the pressure of a compression roller in the dipping process to be 10-15N, and enabling the content of a second deoxidizer in the second base cloth layer to be 30-40 wt%;
adhering a second base cloth layer to the upper surface and the lower surface of the first base cloth layer, curing, and cutting into blocks with fixed sizes to obtain the preservation card;
and step four, putting the preservation card into a packaging bag and sewing the preservation card to obtain the deoxidizer.
In a preferred embodiment, in the third step, the low melting point particles are attached to the upper and lower layers of the first base fabric layer, the second base fabric layer is then laminated on both the upper and lower surfaces of the first base fabric layer, and the low melting point particles are melted by ultrasonic heat and pressure welding to adhere the second base fabric layer to the first base fabric layer.
The low-melting-point particles on the surfaces of the first base cloth layer and the second base cloth layer are melted and bonded under the action of ultrasonic vibration and quickly release pressure, then the bonding structure formed by the low-melting-point particles is still in a semi-molten state in the process that the base cloth continues to move forwards and is pulled into a filament bundle shape by restoring force between the two base cloth layers, the filament bundle shape fineness and filaments are kept relatively stable and further cooled due to the limitation of the limiting plate assembly 9, and then the base cloth layers are compressed again under the action of the rolling assembly 11 to achieve the purpose of adhesion.
As a preferred embodiment, the ultrasonic hot-pressing pressure is 20-30N, and the amplitude is controlled to be 15-25um during welding; the vibration frequency is controlled at 20-40 KHz.
As a preferred embodiment, the low-melting point particles are low-melting point polypropylene particles or low-melting point polyester particles, and the melting point of the low-melting point particles is 160-180 ℃.
As a preferred embodiment, the content of each component in the first deoxygenating solution is as follows by weight percent:
Figure BDA0002988575870000111
the water absorption formula system mainly containing anhydrous calcium chloride and the deoxidation formula system mainly containing activated iron powder are matched to form a film adhered to the surface of the fibers in the first base cloth layer, so that the double-layer effects of water absorption and deoxidation are achieved.
As a preferred embodiment, the content of each component in the first deoxygenating solution is as follows by weight percent:
Figure BDA0002988575870000121
as a preferred embodiment, the content of each component in the second deoxidation solution is as follows by weight percent:
Figure BDA0002988575870000122
as a preferred embodiment, the content of each component in the second deoxidation solution is as follows by weight percent:
Figure BDA0002988575870000131
the deoxidation method is characterized in that a deoxidation formula system with activated iron powder, diatomite and active carbon as main bodies is adopted, the activated iron powder is used as a base, the diatomite, the active carbon and sodium chloride are used as auxiliary materials, and the deoxidation formula system is uniformly dispersed in a solution through the combined action of a dispersing agent, cross-linked starch and an adhesive, so that a film is formed and attached to the surface of a fiber and keeps stable adhesive force with the surface of the fiber.
The carrier for containing the deoxidizing components is formed by compounding the three layers of non-woven fabrics, and the carrier is of a three-dimensional reticular space structure built by fibers, so that when the carrier is soaked in the deoxidizing solution, the deoxidizing solution forms an even film on the surfaces of the fibers, the contact area between the deoxidizing components and the space is greatly increased, and the deoxidizing effect of the deoxidizing agent and the utilization rate of the deoxidizing agent are improved.
The first base cloth layer located on the inner layer adopts the fiber with thinner specification and larger density, has good one-way moisture-conducting performance, enables moisture adsorbed on the outer layer to be quickly conducted to the inner layer and absorbed by the drying agent attached to the fiber on the inner layer, and keeps the outer layer dry.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The preparation method of the environment-friendly food deoxidizer is characterized by comprising the following steps of:
step one, carrying out spunlace reinforcement on 30-40 wt% of polyester fibers with the specification of 1.5D/51 mm and 60-70 wt% of cross hollow polyester fibers with the specification of 1.5-2D/51 mm to obtain a cloth I, wherein the cloth thickness is 0.8-1.2mm, and the gram weight is 80-120g/cm2(ii) a 30-40 wt% of chitin fiber with specification of 2-3D 51mm and 60-70 wt% of polyester fiber with specification of 3-6D 51mm are subjected to spunlace reinforcement to obtain a second fabric, wherein the thickness of the second fabric is 0.8-1.2mm, and the gram weight is 100-2
Step two, putting the first cloth into a first deoxidizing solution for dipping treatment, and drying the first cloth in an oven to enable the moisture content of the first cloth to be below 1% to obtain a first base cloth layer; controlling the pressure of a compression roller in the dipping process to be 10-15N, and enabling the content of the first deoxidizer in the first base cloth layer to be 30-40 wt%; placing the second fabric into a second deoxidizing solution for dipping treatment, and drying the second fabric through an oven to enable the water content of the second fabric to be below 1% to obtain a second base fabric layer; controlling the pressure of a compression roller in the dipping process to be 10-15N, and enabling the content of a second deoxidizer in the second base cloth layer to be 30-40 wt%;
adhering a second base cloth layer to the upper surface and the lower surface of the first base cloth layer, curing, and cutting into blocks with fixed sizes to obtain the preservation card;
and step four, putting the preservation card into a packaging bag and sewing the preservation card to obtain the deoxidizer.
2. The method for preparing the deoxidizer for environment-friendly food according to claim 1, wherein in the third step, the low-melting-point particles are attached to the upper and lower layers of the first base fabric layer, the second base fabric layer is laminated on the upper and lower surfaces of the first base fabric layer, and the low-melting-point particles are melted by ultrasonic hot-press welding to adhere the second base fabric layer to the first base fabric layer.
3. The method for preparing deoxidizer for environmental protection food of claim 2, wherein the ultrasonic hot-pressing pressure is 20-30N, and the amplitude during welding is controlled to 15-25 um; the vibration frequency is controlled at 20-40 KHz.
4. The method as claimed in claim 3, wherein the low-melting-point particles are low-melting-point polypropylene particles or low-melting-point polyester particles, and the melting point of the low-melting-point polypropylene particles or the low-melting-point polyester particles is 160-180 ℃.
5. The preparation method of the deoxidizer for the environment-friendly food as claimed in claim 1, wherein the first deoxidizing solution comprises the following components in percentage by weight:
Figure FDA0002988575860000021
6. the preparation method of the deoxidizer for the environment-friendly food as claimed in claim 5, wherein the first deoxidizing solution comprises the following components in percentage by weight:
Figure FDA0002988575860000022
7. the preparation method of the deoxidizer for the environment-friendly food as claimed in claim 1, wherein the second deoxidizing solution comprises the following components in percentage by weight:
Figure FDA0002988575860000023
Figure FDA0002988575860000031
8. the preparation method of the deoxidizer for the environment-friendly food as claimed in claim 7, wherein the second deoxidizing solution comprises the following components in percentage by weight:
Figure FDA0002988575860000032
9. the preparation system of the environment-friendly food deoxidizer is characterized by comprising a first base cloth layer preparation device, a second base cloth layer preparation device, an adhesion device, a cutting device and a packaging device, wherein the first base cloth layer preparation device comprises an opener, a web former and a spunlace machine, and the adhesion device is an ultrasonic composite device capable of realizing ultrasonic hot-pressing fusion of three sheets.
10. The preparation system of the environment-friendly food deoxidizer according to claim 9, wherein the adhering device comprises a feeding roller set, a pressing attachment workbench and a pressing assembly, the feeding roller set comprises a first feeding roller set for conveying the second base cloth layer on the upper layer, a second feeding roller set for conveying the first base cloth layer in the middle and a third feeding roller set for conveying the second base cloth layer on the lower layer, the feeding roller set is arranged at an inlet of the pressing attachment workbench, the pressing assembly is located right above the pressing attachment workbench, and the pressing assembly is welded by ultrasonic hot pressing.
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