CN112921434A - Silver ion antibacterial fabric and application thereof - Google Patents
Silver ion antibacterial fabric and application thereof Download PDFInfo
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- CN112921434A CN112921434A CN202110104730.6A CN202110104730A CN112921434A CN 112921434 A CN112921434 A CN 112921434A CN 202110104730 A CN202110104730 A CN 202110104730A CN 112921434 A CN112921434 A CN 112921434A
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/02—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D01F6/18—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polymers of unsaturated nitriles, e.g. polyacrylonitrile, polyvinylidene cyanide
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
- B01J19/0066—Stirrers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D1/00—Treatment of filament-forming or like material
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D13/00—Complete machines for producing artificial threads
- D01D13/02—Elements of machines in combination
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
- D01F1/103—Agents inhibiting growth of microorganisms
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Textile Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The invention discloses a silver ion antibacterial fabric and application thereof, and a preparation method of the silver ion antibacterial fabric comprises the following steps: s1, weighing the following raw materials in parts by weight: 50-60 parts of polyacrylonitrile, 100 parts of solvent and 150 parts of water; s2, putting polyacrylonitrile and a solvent as raw materials into a mixing and stirring device, and stirring for 2-3 hours at the temperature of 80-90 ℃ to obtain a mixture; s3, purifying silver by an electrolytic method, and then placing the purified silver into water for micro-electrolysis to release anions, so as to obtain a colorless and transparent silver ion aqueous solution; s4, putting the mixture into silver ion aqueous solution, adjusting the stirring speed, and performing a vacuum pumping treatment process on the stock solution when the solution is light yellow in color to obtain fiber stock solution; s5, obtaining the nascent fiber from the fiber stock solution through an emulsion spinning method, and then carrying out water washing, drafting, oiling, curling and post-processing procedures to form the silver ion antibacterial fabric.
Description
Technical Field
The invention relates to the technical field of antibacterial fabrics, in particular to a silver ion antibacterial fabric and application thereof.
Background
The improvement of living standard promotes the rise of body-building sports and leisure life, thereby increasing the demand of people on leisure sports clothes and providing higher requirements on the comfort and the health-care function of the clothes. Thereby promoting the development of functional garment materials. The body temperature of people can rise in sports, and the people can sweat to different degrees at the same time, although obvious sweat can not be formed under many conditions, the microclimate between the clothes and the human body is in a high-temperature high-humidity state, so that bacteria are easy to breed on the skin of the human body and the clothes contacting with the skin of the human body, and the health of the people is influenced. Human skin is a good nutrient supplier for microorganisms in the nature, resident bacteria on the skin of people play a role in protecting the skin from pathogenic bacteria, and once the flora in the microorganisms is disordered, a small amount of pathogenic bacteria in the microorganisms can multiply and cause harm to the human body through the skin, the respiratory tract, the digestive tract and the genital tract mucosa. The antibacterial textile as a possible product for preventing and cutting off the infection source of diseases plays a crucial role in the prevention and treatment of diseases. Therefore, the functional clothes with good antibacterial and bacteriostatic properties are designed and developed, and the development prospect is wide.
The prior method for making fiber products have antibacterial performance is to add antibacterial agents on the fiber products, the antibacterial agents have poor antibacterial effect and weak bonding force with the fiber products, and the antibacterial agents are basically removed after being washed for several times, so that the fiber products lose the antibacterial capability; the stirring of the mixing stirring device of current preparation silver ion antibacterial fabric is abundant inadequately, and stirring efficiency and effect are all very low, and have the condition that the material blockked up feed inlet and discharge gate, cause the waste of material on the one hand, and on the other hand influences the normal work of device, reduces stirring efficiency.
In order to solve the above-mentioned drawbacks, a technical solution is now provided.
Disclosure of Invention
The invention aims to provide a silver ion antibacterial fabric and application thereof.
The technical problems to be solved by the invention are as follows:
the prior method for making fiber products have antibacterial performance is to add antibacterial agents on the fiber products, the antibacterial agents have poor antibacterial effect and weak bonding force with the fiber products, and the antibacterial agents are basically removed after being washed for several times, so that the fiber products lose the antibacterial capability; the stirring of the mixing stirring device of current preparation silver ion antibacterial fabric is abundant inadequately, and stirring efficiency and effect are all very low, and have the condition that the material blockked up feed inlet and discharge gate, cause the waste of material on the one hand, and on the other hand influences the normal work of device, reduces stirring efficiency.
The purpose of the invention can be realized by the following technical scheme:
the preparation method of the silver ion antibacterial fabric comprises the following steps:
s1, weighing the following raw materials in parts by weight: 50-60 parts of polyacrylonitrile, 100 parts of solvent and 150 parts of water;
s2, putting polyacrylonitrile and a solvent as raw materials into a mixing and stirring device, and stirring for 2-3 hours at the temperature of 80-90 ℃ to obtain a mixture; the concrete operation steps of the mixing and stirring device are as follows:
firstly, sequentially putting two raw materials into two feeding hoppers, starting a second motor, driving an output end of the second motor to drive a second driving belt pulley to rotate, driving a second driven belt pulley to rotate through a second transmission belt, and driving a second feeding shaft to rotate through a second driven belt pulley so as to drive a stirring rod to mix the raw materials;
secondly, starting a first motor, driving an output end of the first motor to drive a first driving belt pulley to rotate, driving a first driven belt pulley to rotate through a first transmission belt by the first driving belt, driving a stirring shaft to rotate by the first driven belt pulley, driving a driving bevel gear to rotate by the stirring shaft, driving a driven bevel gear meshed with the driving bevel gear to rotate, further driving a spiral feeding blade on a first feeding shaft to rotate, pushing raw materials to be conveyed into a stirring tank, and realizing a raw material feeding process;
thirdly, the stirring shaft drives the first stirring blade to stir the mixture, meanwhile, the centripetal force generated by the rotation of the first stirring blade drives the movable rod to slide in the movable groove, and the mixture and the second stirring blade are stirred to drive the second stirring blade to rotate so as to stir the raw materials;
s3, purifying silver by an electrolytic method, and then placing the purified silver into water for micro-electrolysis to release anions, so as to obtain a colorless and transparent silver ion aqueous solution;
s4, putting the mixture into silver ion aqueous solution, adjusting the stirring speed, and performing a vacuum pumping treatment process on the stock solution when the solution is light yellow in color to obtain fiber stock solution;
s5, obtaining the nascent fiber from the fiber stock solution through an emulsion spinning method, and then carrying out water washing, drafting, oiling, curling and post-processing procedures to form the silver ion antibacterial fabric.
Further, the solvent is one or more of concentrated sodium thiocyanate aqueous solution, concentrated zinc chloride aqueous solution, nitric acid, dimethyl sulfoxide, dimethylformamide and dimethylacetamide which are mixed in any proportion;
in the step S4, the stirring speed is 60-100r/min, the temperature is 70-100 ℃, and the reaction lasts 2-4 h.
Further, in the step S2, the mixing and stirring apparatus includes a protective cover, a plurality of uniformly distributed support legs are fixed to an outer bottom end of the protective cover, a stirring tank is disposed inside the protective cover, a top of the stirring tank is fixed to an inner top end of the protective cover, a stirring shaft is disposed inside the stirring tank, a plurality of uniformly distributed first stirring blades are fixed to an outer side of the stirring shaft, a movable groove is vertically penetrated through the first stirring blades, a movable rod and a telescopic spring are disposed inside the movable groove, symmetrically distributed first fixed blocks are fixed to outer sides of upper and lower ends of the movable rod, and a plurality of uniformly distributed second stirring blades are fixed to an outer side of the first fixed block;
the feeding mechanism is arranged at the top end of the outer portion of the protective cover and comprises a feeding cover, the bottom end of the outer portion of the feeding cover is fixed to the top end of the outer portion of the protective cover, a transmission chamber is fixed to the bottom end of the inner portion of the feeding cover, a stirring shaft penetrates through the transmission chamber and is in rotating connection with the transmission chamber, symmetrically distributed feeding chambers are fixed to two sides of the outer portion of the transmission chamber, a driving bevel gear is fixed to the outer side of the stirring shaft, a first feeding shaft is arranged inside the feeding chamber, one end of the first feeding shaft penetrates through the feeding chamber and the transmission chamber and is in rotating connection with the feeding chamber and the transmission chamber, a driven bevel gear is fixed to one end of the first feeding shaft, the driving bevel gear and the driven bevel gear are located inside the transmission chamber, the driving bevel gear is respectively meshed with the two driven;
a feeding hole is formed in one side, close to the transmission chamber, of the top end of the outer portion of the feeding chamber, a feeding hopper is fixed to the top end of the outer portion of the feeding cover, a second motor is fixed to one side wall of the outer portion of the feeding hole, a second driving belt wheel is fixed to the output end of the second motor, a second feeding shaft is arranged inside the feeding hole, the other end of the second feeding shaft penetrates through the feeding hole and is fixed with a second driven belt wheel, a second transmission belt is installed between the second driving belt wheel and the second driven belt wheel, a plurality of second fixing blocks which are evenly distributed are fixed to the outer side of the second feeding shaft, and a plurality of stirring rods which are evenly distributed are fixed to;
a discharge hole is fixed on one side of the outer part of the stirring tank, a dredging mechanism is arranged on one side, close to the discharge hole, of the outer part of the protective cover, the dredging mechanism comprises a first supporting plate, one end of the first supporting plate is fixed to one side of the outer side of the protective cover, second supporting plates which are symmetrically distributed are fixed to two sides of the bottom of the other end of the first supporting plate, a supporting frame is arranged between the two second supporting plates, sliding grooves are formed in the front and rear sides of each second supporting plate in a penetrating mode, sliding blocks which are symmetrically distributed are fixed to the front and rear ends of each supporting frame, a telescopic cylinder is fixed to the top end of the;
the bottom mounting of support frame has the movable plate, the lower surface both sides of movable plate are fixed with the fixing base of symmetric distribution, be fixed with the slide bar of two symmetric distributions between two fixing bases, the outside of one of them fixing base is fixed with the third motor, the output of third motor is fixed with the threaded rod, the threaded rod has cup jointed the removal seat with the outside of two slide bars, the lower surface one side of removing the seat is fixed with the third backup pad, one side of third backup pad is fixed with the fourth motor, the front end of fourth motor is equipped with the mediation axle, the output of fourth motor is fixed with the third driving pulley, the one end of mediation axle is fixed with the third driven pulley, install third driving belt between third driving pulley and the third driven pulley, the other end of mediation axle is fixed with the mediation roller.
Furthermore, the two ends of the extension spring are respectively fixed with the inner walls of the movable rod and the movable groove, the movable rod is movably connected with the movable groove, two sliding disks are symmetrically distributed on the outer side of the movable rod, the two sliding disks are symmetrically distributed on the upper side and the lower side of the first stirring blade, and the sliding disks are slidably connected with the first stirring blade.
Furthermore, the rear end of feeding cover is fixed with the bracing piece, and the rear side wall of bracing piece is fixed with first motor, and the output of first motor is fixed with first drive pulley, and the outside top center department of feeding cover is fixed with the bearing frame, and the top of (mixing) shaft passes protection casing, feeding cover and bearing frame in proper order and rotates with protection casing, feeding cover and bearing frame respectively and be connected, and the top of (mixing) shaft is fixed with first driven pulley, installs first drive belt between first drive pulley and the first driven pulley.
Furthermore, one end of the feeding chamber, which is far away from the transmission chamber, is communicated with the outside, two symmetrically distributed feeding channels are formed in the bottom of the feeding cover, the feeding cover is communicated with the stirring tank through the feeding channels, and the feeding channels are located under one end, which is far away from the transmission chamber, of the feeding chamber.
Furthermore, the top of the feed inlet is communicated with the inside of the bottom of the feed hopper, the bottom of the feed inlet is communicated with the inside of the feed chamber, and one end of the second feed shaft is rotatably connected with the inner side wall of the feed inlet.
Further, the one end of discharge gate communicates with each other with agitator tank is inside, and the other end of discharge gate passes the protection casing and communicates with each other with the external world, sliding block and sliding tray sliding connection, and the inside both sides of sliding tray are seted up the spout of symmetric distribution, and the both sides of sliding block are fixed with the slider of symmetric distribution, slider and spout sliding connection.
Furthermore, the threaded rod passes to be fixed with one of them fixing base and rotates with another fixing base inner wall to be connected, and the threaded rod is located between two slide bars, removes seat and slide bar sliding connection and with threaded rod threaded connection, and the mediation axle passes the third backup pad and rotates with the third backup pad to be connected.
The application of the silver ion antibacterial fabric is that the silver ion antibacterial fabric is applied to bedding.
The invention has the beneficial effects that:
according to the invention, silver is refined into colorless and odorless transparent liquid by an electrolytic method, and the colorless and odorless transparent liquid is uniformly mixed with liquid polyacrylonitrile and spun, so that silver components are not easy to fall off from the fabric, a more lasting antibacterial and deodorant effect can be achieved, the silver antibacterial deodorant fabric can be used in the fields of underwear, medical consumables, sanitary products and the like, and has a certain curative effect on foot odor, peeling, wound healing and gynecological diseases.
The stirring rod on the second feeding shaft is driven to rotate through the second motor, materials are mixed, the materials are prevented from being condensed, the subsequent stirring process is facilitated, and the stirring effect is improved. Put into two kinds of raw materials in proper order earlier, start the second motor, drive its output and drive the rotation of second drive pulley, second drive pulley drives the rotation of second driven pulley through second driving belt, and second driven pulley drives the rotation of second feeding axle to drive the puddler and mix the raw materials.
Drive two first feeding axle rotations through (mixing) shaft, drive bevel gear and driven bevel gear's cooperation, in the cooperation spiral feeding blade made the even entering agitator tank of material, the speed of control feeding avoided leading to blockking up because of the input speed is too fast, influences the normal function of device, reduces stirring efficiency. The first motor is started, the output end of the first motor is driven to drive the first driving belt pulley to rotate, the first driving belt pulley drives the first driven belt pulley to rotate through the first transmission belt, the first driven belt pulley drives the stirring shaft to rotate, the stirring shaft drives the driving bevel gear to rotate, so that the driven bevel gear meshed with the driving bevel gear is driven to rotate, the spiral feeding blade on the first feeding shaft is driven to rotate, raw materials are pushed to be conveyed into the stirring tank, and the feeding process of the raw materials is achieved.
The centripetal force brought by rotation of the stirring shaft drives the movable rod to slide in the movable groove, the rotating speed of the stirring shaft is controlled to control the distance between the movable rod and the stirring shaft, and the mixture and the second stirring blade are stirred to drive the second stirring blade to rotate, so that the stirring efficiency of the mixture is improved, and the stirring is more sufficient. The first motor is arranged to drive the stirring shaft to rotate, and meanwhile, the first feeding shaft is driven to rotate, so that transmission between devices is realized, and electricity cost is greatly saved. The stirring shaft drives the first stirring blade to stir the mixture, the centripetal force generated by the rotation of the first stirring blade drives the movable rod to slide in the movable groove, and the mixture and the second stirring blade are stirred to drive the second stirring blade to rotate.
Promote the carriage through telescopic cylinder and move in the vertical direction, drive through the third motor and remove the seat and move on the horizontal direction to drive in the mediation roller gets into the discharge gate, drive the mediation roller through the fourth motor and rotate, clear up the inner wall of discharge gate, avoid the device to use for a long time and lead to discharge gate inner wall adhesion mixture, cause the waste of raw materials on the one hand, on the other hand causes the jam of discharge gate, make the unable normal work of device, influence stirring efficiency.
Drawings
The invention is described in further detail below with reference to the figures and specific embodiments.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged view of the invention at A in FIG. 1;
FIG. 3 is a top view of a first stirring blade of the present invention;
FIG. 4 is a schematic structural view of the feed mechanism of the present invention;
FIG. 5 is a side view of a portion of the feed mechanism of the present invention;
FIG. 6 is a schematic view of the feed gap configuration of the present invention;
FIG. 7 is a schematic structural view of the deoccluding mechanism of the present invention;
FIG. 8 is a side view of the support bracket of the present invention;
fig. 9 is a bottom view of the dredging mechanism.
In the figure, 1, a protective cover; 11. supporting legs; 2. a stirring tank; 21. a stirring shaft; 22. a first stirring blade; 23. a movable groove; 24. a movable rod; 25. a sliding disk; 26. a first fixed block; 27. a second stirring blade; 28. a discharge port; 3. a feeding mechanism; 301. a feed hood; 302. a support bar; 303. a first motor; 304. a first drive pulley; 305. a bearing seat; 306. a first driven pulley; 307. a first drive belt; 308. a transmission chamber; 309. a feed chamber; 310. a drive bevel gear; 311. a first feed shaft; 312. a driven bevel gear; 313. a helical feed blade; 314. a feed inlet; 315. a feed hopper; 316. a second motor; 317. a second drive pulley; 318. a second feed shaft; 319. a second driven pulley; 320. a second drive belt; 321. a second fixed block; 322. a stirring rod; 4. a dredging mechanism; 401. a first support plate; 402. a second support plate; 403. a support frame; 404. a sliding groove; 405. a slider; 406. a telescopic cylinder; 407. moving the plate; 408. a fixed seat; 409. a slide bar; 410. a third motor; 411. a threaded rod; 412. a movable seat; 413. a third support plate; 414. a fourth motor; 415. a dredging shaft; 416. a third drive pulley; 417. a third driven pulley; 418. a third drive belt; 419. and (4) dredging rollers.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The preparation method of the silver ion antibacterial fabric comprises the following steps:
s1, weighing the following raw materials in parts by weight: 50 parts of polyacrylonitrile, 100 parts of solvent and 130 parts of water;
s2, putting polyacrylonitrile and a solvent as raw materials into a mixing and stirring device, and stirring for 2 hours at the temperature of 80 ℃ to obtain a mixture;
s3, purifying silver by an electrolytic method, and then placing the purified silver into water for micro-electrolysis to release anions, so as to obtain a colorless and transparent silver ion aqueous solution;
s4, putting the mixture into silver ion aqueous solution, adjusting the stirring speed, and performing a vacuum pumping treatment process on the stock solution when the solution is light yellow in color to obtain fiber stock solution;
s5, obtaining the nascent fiber from the fiber stock solution through an emulsion spinning method, and then carrying out water washing, drafting, oiling, curling and post-processing procedures to form the silver ion antibacterial fabric.
The solvent is one or more of concentrated sodium thiocyanate aqueous solution, concentrated zinc chloride aqueous solution, nitric acid, dimethyl sulfoxide, dimethylformamide and dimethylacetamide which are mixed in any proportion;
in the step S4, the stirring speed is 60r/min, the temperature is 70 ℃, and the reaction is carried out for 2 h.
Example 2
The preparation method of the silver ion antibacterial fabric comprises the following steps:
s1, weighing the following raw materials in parts by weight: 55 parts of polyacrylonitrile, 110 parts of solvent and 140 parts of water;
s2, putting polyacrylonitrile and a solvent as raw materials into a mixing and stirring device, and stirring for 2.5 hours at the temperature of 80-90 ℃ to obtain a mixture;
s3, purifying silver by an electrolytic method, and then placing the purified silver into water for micro-electrolysis to release anions, so as to obtain a colorless and transparent silver ion aqueous solution;
s4, putting the mixture into silver ion aqueous solution, adjusting the stirring speed, and performing a vacuum pumping treatment process on the stock solution when the solution is light yellow in color to obtain fiber stock solution;
s5, obtaining the nascent fiber from the fiber stock solution through an emulsion spinning method, and then carrying out water washing, drafting, oiling, curling and post-processing procedures to form the silver ion antibacterial fabric.
The solvent is one or more of concentrated sodium thiocyanate aqueous solution, concentrated zinc chloride aqueous solution, nitric acid, dimethyl sulfoxide, dimethylformamide and dimethylacetamide which are mixed in any proportion;
in the step S4, the stirring speed is 80r/min, the temperature is 85 ℃, and the reaction is carried out for 3 h.
Example 3
The preparation method of the silver ion antibacterial fabric comprises the following steps:
s1, weighing the following raw materials in parts by weight: 60 parts of polyacrylonitrile, 120 parts of solvent and 150 parts of water;
s2, putting polyacrylonitrile and a solvent as raw materials into a mixing and stirring device, and stirring for 3 hours at the temperature of 90 ℃ to obtain a mixture;
s3, purifying silver by an electrolytic method, and then placing the purified silver into water for micro-electrolysis to release anions, so as to obtain a colorless and transparent silver ion aqueous solution;
s4, putting the mixture into silver ion aqueous solution, adjusting the stirring speed, and performing a vacuum pumping treatment process on the stock solution when the solution is light yellow in color to obtain fiber stock solution;
s5, obtaining the nascent fiber from the fiber stock solution through an emulsion spinning method, and then carrying out water washing, drafting, oiling, curling and post-processing procedures to form the silver ion antibacterial fabric.
The solvent is one or more of concentrated sodium thiocyanate aqueous solution, concentrated zinc chloride aqueous solution, nitric acid, dimethyl sulfoxide, dimethylformamide and dimethylacetamide which are mixed in any proportion;
in the step S4, the stirring speed is 100r/min, the temperature is 100 ℃, and the reaction is carried out for 4 h.
Referring to fig. 1-9, the mixing and stirring device of the above embodiment includes a protection cover 1, a plurality of supporting legs 11 are fixed at the bottom of the exterior of the protection cover 1, a stirring tank 2 is arranged inside the protection cover 1, the top of the stirring tank 2 is fixed to the top of the interior of the protection cover 1, the protection cover 1 is arranged outside the stirring tank 2, and can continuously keep the stirring tank 2 warm, and meanwhile, the protection and explosion-proof effects are achieved, and the safety of personnel is protected. A stirring shaft 21 is arranged in the stirring tank 2, a plurality of first stirring blades 22 which are uniformly distributed are fixed on the outer side of the stirring shaft 21, a movable groove 23 is formed in the upper part and the lower part of each first stirring blade 22 in a penetrating manner, a movable rod 24 and a telescopic spring are arranged in the movable groove 23, two ends of each telescopic spring are respectively fixed on the inner walls of the movable rod 24 and the inner wall of the movable groove 23, the movable rod 24 is movably connected with the movable groove 23, two sliding disks 25 which are symmetrically distributed are fixed on the outer side of the movable rod 24, the two sliding disks 25 are symmetrically distributed on the upper side and the lower side of the first stirring blade 22, the sliding disks 25 are slidably connected with the first stirring blades 22, the movable rod 24 is positioned on the first stirring blades 22 through the sliding disks 25 to play a limiting role, first fixed blocks 26 which are symmetrically distributed are fixed on the outer sides of the upper end and the lower end of the movable rod 24, and a plurality; the centripetal force caused by the rotation of the stirring shaft 21 drives the movable rod 24 to slide in the movable groove 23, the rotating speed of the stirring shaft 21 is controlled to control the distance between the movable rod 24 and the stirring shaft 21, and the mixture and the second stirring blade 27 are stirred to drive the second stirring blade 27 to rotate, so that the stirring efficiency of the mixture is improved.
The feeding mechanism 3 is arranged at the top end of the outer portion of the protective cover 1, the feeding mechanism 3 comprises a feeding cover 301, the bottom end of the outer portion of the feeding cover 301 is fixed with the top end of the outer portion of the protective cover 1, a supporting rod 302 is fixed at the rear end of the feeding cover 301, a first motor 303 is fixed on the rear side wall of the supporting rod 302, a first driving pulley 304 is fixed at the output end of the first motor 303, a bearing seat 305 is fixed at the center of the top end of the outer portion of the feeding cover 301, the top end of the stirring shaft 21 sequentially penetrates through the protective cover 1, the feeding cover 301 and the bearing seat 305 and is respectively in rotating connection with the protective cover 1, the feeding cover 301 and the bearing seat 305, a first driven pulley 306 is fixed at the top end of the stirring shaft 21;
a transmission chamber 308 is fixed at the bottom end inside the feeding cover 301, the stirring shaft 21 penetrates through the transmission chamber 308 and is rotationally connected with the transmission chamber 308, symmetrically distributed feeding chambers 309 are fixed at two sides outside the transmission chamber 308, one end of the feeding chamber 309 far away from the transmission chamber 308 is communicated with the outside, two symmetrically distributed feeding channels are formed at the bottom of the feeding cover 301, the feeding cover 301 is communicated with the stirring tank 2 through the feeding channels, the feeding channels are positioned under one end of the feeding chamber 309 far away from the transmission chamber 308, a driving bevel gear 310 is fixed at the outer side of the stirring shaft 21, a first feeding shaft 311 is arranged inside the feeding chamber 309, one end of the first feeding shaft 311 penetrates through the feeding chamber 309 and the transmission chamber 308 and is rotationally connected with the feeding chamber 309 and the transmission chamber 308, a driven bevel gear 312 is fixed at one end of the first feeding shaft 311, the driving bevel gear 310 and the driven bevel gear 312 are both positioned inside the transmission chamber 308, and the driving bevel gear 310 is respectively meshed with the two, a spiral feeding blade 313 is fixed on the outer side of the first feeding shaft 311; the cooperation through (mixing) shaft 21, drive bevel gear 310 and driven bevel gear 312 drives two first feeding axles 311 and rotates, and the speed of control feeding is avoided leading to blockking up because of the input speed is too fast in cooperation spiral feeding blade 313 makes the even entering agitator tank 2 of material, influences the normal operating of device, reduces stirring efficiency.
A feeding hole 314 is formed in one side, close to the transmission chamber 308, of the top end of the outer portion of the feeding chamber 309, a feeding funnel 315 is fixed to the top end of the outer portion of the feeding cover 301, the top of the feeding hole 314 is communicated with the inner portion of the bottom of the feeding funnel 315, the bottom of the feeding hole 314 is communicated with the inner portion of the feeding chamber 309, a second motor 316 is fixed to one side wall of the outer portion of the feeding hole 314, a second driving pulley 317 is fixed to an output end of the second motor 316, a second feeding shaft 318 is arranged inside the feeding hole 314, one end of the second feeding shaft 318 is rotatably connected with the inner side wall of the feeding hole 314, the other end of the second feeding shaft 318 penetrates through the feeding hole 314 and is fixed with a second driven pulley 319, a second transmission belt 320 is installed between the second driving pulley 317 and the second driven pulley 319, a plurality of second fixing blocks 321 which are uniformly distributed are fixed to the outer side of the second feeding. The first motor 303 is arranged to drive the stirring shaft 21 to rotate and drive the first feeding shaft 311 to rotate, so that transmission between devices is realized, and electricity consumption cost is greatly saved. The stirring rod 322 on the second feeding shaft 318 is driven to rotate through the second motor 316, so that the materials are mixed, the materials are prevented from being condensed, the subsequent stirring process is facilitated, and the stirring effect is improved.
A discharge hole 28 is fixed on one side of the outside of the stirring tank 2, one end of the discharge hole 28 is communicated with the inside of the stirring tank 2, the other end of the discharge hole 28 passes through the protective cover 1 and is communicated with the outside, one side of the outside of the protective cover 1 close to the discharge hole 28 is provided with a dredging mechanism 4, the dredging mechanism 4 comprises a first supporting plate 401, one end of the first supporting plate 401 is fixed with one side of the outside of the protective cover 1, two sides of the bottom of the other end of the first supporting plate 401 are fixed with symmetrically distributed second supporting plates 402, a supporting frame 403 is arranged between the two second supporting plates 402, the front side and the rear side of each second supporting plate 402 are provided with a sliding groove 404 in a penetrating way, the front end and the rear end of each supporting frame 403 are fixed with symmetrically distributed sliding blocks 405, the sliding blocks 405 are connected with the sliding groove 404, the sliding block is connected with the sliding groove in a sliding mode, a telescopic cylinder 406 is fixed at the top end inside the sliding groove 404, and the output end of the telescopic cylinder 406 is fixed with the top of the sliding block 405;
a moving plate 407 is fixed at the bottom end of the supporting frame 403, fixed seats 408 which are symmetrically distributed are fixed on both sides of the lower surface of the moving plate 407, two sliding rods 409 which are symmetrically distributed are fixed between the two fixed seats 408, a third motor 410 is fixed on the outer side of one of the fixed seats 408, a threaded rod 411 is fixed at the output end of the third motor 410, the threaded rod 411 passes through one of the fixed seats 408 and is rotatably connected with the inner wall of the other fixed seat 408, the threaded rod 411 is located between the two sliding rods 409, a moving seat 412 is sleeved on the outer sides of the threaded rod 411 and the two sliding rods 409, the moving seat 412 is slidably connected with the sliding rods 409 and is in threaded connection with the threaded rod 411, a third supporting plate 413 is fixed on one side of the lower surface of the moving seat 412, a fourth motor 414 is fixed on one side of the third supporting plate 413, a dredging shaft 415 is arranged at the front end of, a third driving pulley 416 is fixed at the output end of the fourth motor 414, a third driven pulley 417 is fixed at one end of the dredging shaft 415, a third transmission belt 418 is installed between the third driving pulley 416 and the third driven pulley 417, and a dredging roller 419 is fixed at the other end of the dredging shaft 415; promote support frame 403 to move in vertical direction through telescopic cylinder 406, drive through third motor 410 and remove seat 412 and remove in the horizontal direction, thereby drive dredge roller 419 and get into in discharge gate 28, drive dredge roller 419 through fourth motor 414 and rotate, clear up the inner wall of discharge gate 28, avoid the device to use for a long time and lead to discharge gate 28 inner wall adhesion mixture, cause the waste of raw materials on the one hand, on the other hand causes the jam of discharge gate 28, make the unable normal work of device, influence stirring efficiency.
The working process and the principle of the mixing and stirring device are as follows:
when the mixing device is used, two raw materials are sequentially put into the two feeding hoppers 315, the second motor 316 is started to drive the output end of the second motor to drive the second driving pulley 317 to rotate, the second driving pulley 317 drives the second driven pulley 319 to rotate through the second transmission belt 320, and the second driven pulley 319 drives the second feeding shaft 318 to rotate, so that the mixing rod 322 is driven to mix the raw materials. The stirring rod 322 on the second feeding shaft 318 is driven to rotate through the second motor 316, so that the materials are mixed, the materials are prevented from being condensed, the subsequent stirring process is facilitated, and the stirring effect is improved.
The first motor 303 is started, the output end of the first motor is driven to drive the first driving pulley 304 to rotate, the first driving pulley 304 drives the first driven pulley 306 to rotate through the first transmission belt 307, the first driven pulley 306 drives the stirring shaft 21 to rotate, the stirring shaft 21 drives the driving bevel gear 310 to rotate, so that the driven bevel gear 312 engaged with the first driving pulley is driven to rotate, the spiral feeding blade 313 on the first feeding shaft 311 is driven to rotate, raw materials are pushed to be conveyed into the stirring tank 2, and the feeding process of the raw materials is realized. The cooperation through (mixing) shaft 21, drive bevel gear 310 and driven bevel gear 312 drives two first feeding axles 311 and rotates, and the speed of control feeding is avoided leading to blockking up because of the input speed is too fast in cooperation spiral feeding blade 313 makes the even entering agitator tank 2 of material, influences the normal operating of device, reduces stirring efficiency.
The stirring shaft 21 drives the first stirring blade 22 to stir the mixture, and simultaneously the centripetal force generated by the rotation of the first stirring blade 22 drives the movable rod 24 to slide in the movable groove 23, and the mixture and the second stirring blade 27 are stirred to drive the second stirring blade 27 to rotate. The centripetal force brought by the rotation of the stirring shaft 21 drives the movable rod 24 to slide in the movable groove 23, the rotating speed of the stirring shaft 21 is controlled to control the distance between the movable rod 24 and the stirring shaft 21, and the mixture and the second stirring blade 27 are stirred to drive the rotation of the second stirring blade 27, so that the stirring efficiency of the mixture is improved, and the stirring is more sufficient. The first motor 303 is arranged to drive the stirring shaft 21 to rotate and drive the first feeding shaft 311 to rotate, so that transmission between devices is realized, and electricity consumption cost is greatly saved.
When a large amount of materials are adhered to the discharge port 28, the telescopic cylinder 406 is started to drive the output end of the telescopic cylinder to drive the sliding block 405 to slide downwards in the sliding groove 404, so as to drive the support frame 403 to move downwards, until the dredging roller 419 and the discharge port 28 are on the same horizontal line, the third motor 410 is started to drive the output end of the telescopic cylinder to drive the threaded rod 411 to rotate, the threaded rod 411 is in threaded connection with the movable seat 412, the movable seat 412 is driven to move in the horizontal direction by matching with the limiting effect of the sliding rod 409 on the movable seat 412, so that the dredging roller 419 enters the discharge port 28, the fourth motor 414 is started to drive the output end of the fourth motor to drive the third driving pulley 416 to rotate, the third driving pulley 416 drives the third driven pulley 417 to rotate through the third driving belt 418, and the third driven pulley 417 drives the dredging roller 419 on the dredging shaft 415 to. Promote support frame 403 to move in vertical direction through telescopic cylinder 406, drive through third motor 410 and remove seat 412 and remove in the horizontal direction, thereby drive dredge roller 419 and get into in discharge gate 28, drive dredge roller 419 through fourth motor 414 and rotate, clear up the inner wall of discharge gate 28, avoid the device to use for a long time and lead to discharge gate 28 inner wall adhesion mixture, cause the waste of raw materials on the one hand, on the other hand causes the jam of discharge gate 28, make the unable normal work of device, influence stirring efficiency.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the accompanying claims.
Claims (10)
1. The silver ion antibacterial fabric is characterized in that the preparation method of the silver ion antibacterial fabric comprises the following steps:
s1, weighing the following raw materials in parts by weight: 50-60 parts of polyacrylonitrile, 100 parts of solvent and 150 parts of water;
s2, putting polyacrylonitrile and a solvent as raw materials into a mixing and stirring device, and stirring for 2-3 hours at the temperature of 80-90 ℃ to obtain a mixture; the concrete operation steps of the mixing and stirring device are as follows:
firstly, sequentially putting two raw materials into two feeding hoppers (315), starting a second motor (316), driving the output end of the second motor to drive a second driving belt pulley (317) to rotate, driving a second driven belt pulley (319) to rotate by the second driving belt (317) through a second transmission belt (320), and driving a second feeding shaft (318) to rotate by the second driven belt pulley (319), so as to drive a stirring rod (322) to mix the raw materials;
secondly, starting a first motor (303), driving an output end of the first motor to drive a first driving belt pulley (304) to rotate, driving a first driven belt pulley (306) to rotate through a first transmission belt (307), driving a stirring shaft (21) to rotate through the first driven belt pulley (306), driving a driving bevel gear (310) to rotate through the stirring shaft (21), so as to drive a driven bevel gear (312) meshed with the driving bevel gear to rotate, further driving a spiral feeding blade (313) on a first feeding shaft (311) to rotate, pushing raw materials to be conveyed into a stirring tank (2), and realizing a feeding process of the raw materials;
thirdly, the stirring shaft (21) drives the first stirring blade (22) to stir the mixture, meanwhile, the centripetal force generated by the rotation of the first stirring blade (22) drives the movable rod (24) to slide in the movable groove (23), and the mixture and the second stirring blade (27) are stirred to drive the second stirring blade (27) to rotate so as to stir the raw materials;
s3, purifying silver by an electrolytic method, and then placing the purified silver into water for micro-electrolysis to release anions, so as to obtain a colorless and transparent silver ion aqueous solution;
s4, putting the mixture into silver ion aqueous solution, adjusting the stirring speed, and performing a vacuum pumping treatment process on the stock solution when the solution is light yellow in color to obtain fiber stock solution;
s5, obtaining the nascent fiber from the fiber stock solution through an emulsion spinning method, and then carrying out water washing, drafting, oiling, curling and post-processing procedures to form the silver ion antibacterial fabric.
2. The silver ion antibacterial fabric according to claim 1, wherein the solvent is one or more of concentrated sodium thiocyanate aqueous solution, concentrated zinc chloride aqueous solution, nitric acid, dimethyl sulfoxide, dimethylformamide and dimethylacetamide mixed in any proportion;
in the step S4, the stirring speed is 60-100r/min, the temperature is 70-100 ℃, and the reaction lasts 2-4 h.
3. The silver ion antibacterial fabric according to claim 1, wherein the mixing and stirring device in step S2 comprises a protective cover (1), a plurality of uniformly distributed support legs (11) are fixed to the bottom of the outer portion of the protective cover (1), a stirring tank (2) is arranged inside the protective cover (1), the top of the stirring tank (2) is fixed to the top of the inner portion of the protective cover (1), a stirring shaft (21) is arranged inside the stirring tank (2), a plurality of uniformly distributed first stirring blades (22) are fixed to the outer side of the stirring shaft (21), a movable groove (23) is arranged in the first stirring blade (22) in a vertically penetrating manner, a movable rod (24) and a telescopic spring are arranged inside the movable groove (23), first fixed blocks (26) are symmetrically distributed and fixed to the outer sides of the upper and lower ends of the movable rod (24), and a plurality of uniformly distributed second stirring blades (27) are fixed to the outer side of the first fixed blocks (26);
the feeding mechanism (3) is arranged at the top end of the outer portion of the protective cover (1), the feeding mechanism (3) comprises a feeding cover (301), the bottom end of the outer portion of the feeding cover (301) is fixed to the top end of the outer portion of the protective cover (1), a transmission chamber (308) is fixed to the bottom end of the inner portion of the feeding cover (301), a stirring shaft (21) penetrates through the transmission chamber (308) and is rotatably connected with the transmission chamber (308), symmetrically distributed feeding chambers (309) are fixed to two sides of the outer portion of the transmission chamber (308), a driving bevel gear (310) is fixed to the outer side of the stirring shaft (21), a first feeding shaft (311) is arranged inside the feeding chamber (309), one end of the first feeding shaft (311) penetrates through the feeding chamber (309) and the transmission chamber (308) and is rotatably connected with the feeding chamber (309) and the transmission chamber (308), a driven bevel gear (312) is fixed to one end of the first feeding shaft (311), and the driving bevel gear (310) and the driven bevel gear, the driving bevel gear (310) is respectively meshed with the two driven bevel gears (312), and the outer side of the first feeding shaft (311) is fixedly provided with a spiral feeding blade (313);
a feeding hole (314) is formed in one side, close to the transmission chamber (308), of the top end of the outer portion of the feeding chamber (309), a feeding funnel (315) is fixed to the top end of the outer portion of the feeding cover (301), a second motor (316) is fixed to one side wall of the outer portion of the feeding hole (314), a second driving pulley (317) is fixed to the output end of the second motor (316), a second feeding shaft (318) is arranged inside the feeding hole (314), the other end of the second feeding shaft (318) penetrates through the feeding hole (314) and is fixed with a second driven pulley (319), a second transmission belt (320) is installed between the second driving pulley (317) and the second driven pulley (319), a plurality of second fixing blocks (321) which are uniformly distributed are fixed to the outer side of the second feeding shaft (318), and a plurality of stirring rods (322) which are uniformly distributed are fixed to the outer side of the second fixing;
a discharge hole (28) is fixed on one side of the outer portion of the stirring tank (2), a dredging mechanism (4) is arranged on one side, close to the discharge hole (28), of the outer portion of the protective cover (1), the dredging mechanism (4) comprises a first supporting plate (401), one end of the first supporting plate (401) is fixed on one side of the outer side of the protective cover (1), second supporting plates (402) which are symmetrically distributed are fixed on two sides of the bottom of the other end of the first supporting plate (401), a supporting frame (403) is arranged between the two second supporting plates (402), sliding grooves (404) are formed in the front side and the rear side of each second supporting plate (402) in a penetrating mode, sliding blocks (405) which are symmetrically distributed are fixed at the front end and the rear end of each supporting frame (403), a telescopic cylinder (406) is fixed at the top end of the inner portion of each sliding groove (;
a movable plate (407) is fixed at the bottom end of the support frame (403), fixing seats (408) which are symmetrically distributed are fixed on two sides of the lower surface of the movable plate (407), two sliding rods (409) which are symmetrically distributed are fixed between the two fixing seats (408), a third motor (410) is fixed on the outer side of one fixing seat (408), a threaded rod (411) is fixed at the output end of the third motor (410), a movable seat (412) is sleeved on the threaded rod (411) and the outer sides of the two sliding rods (409), a third support plate (413) is fixed on one side of the lower surface of the movable seat (412), a fourth motor (414) is fixed on one side of the third support plate (413), a dredging shaft (415) is arranged at the front end of the fourth motor (414), a third driving pulley (416) is fixed at the output end of the fourth motor (414), and a third driven pulley (417) is fixed at one end of the, a third transmission belt (418) is arranged between the third driving pulley (416) and the third driven pulley (417), and a dredging roller (419) is fixed at the other end of the dredging shaft (415).
4. The silver ion antibacterial fabric according to claim 3, wherein two ends of the extension spring are respectively fixed to the inner walls of the movable rod (24) and the movable groove (23), the movable rod (24) is movably connected with the movable groove (23), two sliding disks (25) are symmetrically distributed on the outer side of the movable rod (24), the two sliding disks (25) are symmetrically distributed on the upper side and the lower side of the first stirring blade (22), and the sliding disks (25) are slidably connected with the first stirring blade (22).
5. The silver ion antibacterial fabric according to claim 3, wherein a support rod (302) is fixed to the rear end of the feeding cover (301), a first motor (303) is fixed to the rear side wall of the support rod (302), a first driving pulley (304) is fixed to the output end of the first motor (303), a bearing seat (305) is fixed to the center of the top end of the outer portion of the feeding cover (301), the top end of the stirring shaft (21) sequentially penetrates through the protective cover (1), the feeding cover (301) and the bearing seat (305) and is respectively connected with the protective cover (1), the feeding cover (301) and the bearing seat (305) in a rotating mode, a first driven pulley (306) is fixed to the top end of the stirring shaft (21), and a first transmission belt (307) is installed between the first driving pulley (304) and the first driven pulley (306).
6. The silver ion antibacterial fabric according to claim 3, wherein one end of the feeding chamber (309) far away from the transmission chamber (308) is communicated with the outside, two symmetrically distributed feeding channels are formed in the bottom of the feeding cover (301), the feeding cover (301) is communicated with the stirring tank (2) through the feeding channels, and the feeding channels are located right below one end of the feeding chamber (309) far away from the transmission chamber (308).
7. The silver ion antibacterial fabric according to claim 3, wherein the top of the feed port (314) is communicated with the interior of the bottom of the feed hopper (315), the bottom of the feed port (314) is communicated with the interior of the feed chamber (309), and one end of the second feed shaft (318) is rotatably connected with the inner side wall of the feed port (314).
8. The silver ion antibacterial fabric according to claim 3, wherein one end of the discharge port (28) is communicated with the inside of the stirring tank (2), the other end of the discharge port (28) penetrates through the protective cover (1) and is communicated with the outside, the sliding block (405) is slidably connected with the sliding groove (404), sliding grooves which are symmetrically distributed are formed in two sides of the inside of the sliding groove (404), sliding blocks which are symmetrically distributed are fixed on two sides of the sliding block (405), and the sliding blocks are slidably connected with the sliding grooves.
9. The silver ion antibacterial fabric according to claim 3, wherein the threaded rod (411) penetrates through one of the fixed seats (408) and is rotatably connected with the inner wall of the other fixed seat (408), the threaded rod (411) is located between the two sliding rods (409), the movable seat (412) is slidably connected with the sliding rods (409) and is in threaded connection with the threaded rod (411), and the dredging shaft (415) penetrates through the third support plate (413) and is rotatably connected with the third support plate (413).
10. Use of a silver ion antibacterial fabric according to any one of claims 1 to 9, characterized in that the silver ion antibacterial fabric is applied to bedding.
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| CN202110104730.6A CN112921434A (en) | 2021-01-26 | 2021-01-26 | Silver ion antibacterial fabric and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110104730.6A CN112921434A (en) | 2021-01-26 | 2021-01-26 | Silver ion antibacterial fabric and application thereof |
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| CN112921434A true CN112921434A (en) | 2021-06-08 |
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| CN202110104730.6A Pending CN112921434A (en) | 2021-01-26 | 2021-01-26 | Silver ion antibacterial fabric and application thereof |
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| CN114293269A (en) * | 2022-01-05 | 2022-04-08 | 新乡市新科防护科技有限公司 | Premixing and curing process for multi-layer flame-retardant special garment fabric |
| CN114369877A (en) * | 2021-12-27 | 2022-04-19 | 武彪彪 | Hollow fiber membrane spinning production equipment and production process thereof |
| CN115787109A (en) * | 2022-12-08 | 2023-03-14 | 江苏凯瑞家纺科技有限公司 | Antibacterial polyester fiber fabric preparation device |
| CN116815432A (en) * | 2023-06-12 | 2023-09-29 | 连云港市方舟实业有限公司 | Protein fiber antibacterial finishing method and system based on enzymatic graft copolymerization |
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