CN114525039B - Graphene modified resin and preparation method thereof - Google Patents
Graphene modified resin and preparation method thereof Download PDFInfo
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- CN114525039B CN114525039B CN202210251479.0A CN202210251479A CN114525039B CN 114525039 B CN114525039 B CN 114525039B CN 202210251479 A CN202210251479 A CN 202210251479A CN 114525039 B CN114525039 B CN 114525039B
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
- C08K3/042—Graphene or derivatives, e.g. graphene oxides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
- B08B3/022—Cleaning travelling work
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The invention belongs to the field of resin preparation, in particular to graphene modified resin and a preparation method thereof, wherein the graphene modified resin is prepared by a conveyor belt, a water pump, a fan and a heating coil; the resin particles fall onto the conveyor belt, the resin particles are driven to move to the bottom of the water washing tank, the water pump pressurizes the clean water in the tap water pipe and sprays out from the water spraying hole, the water pump is sprayed on the surface of the resin particles, dust on the surface of the resin particles is taken away, the fan is started to generate wind, the wind is heated by the heating coil, the high-temperature wind blows the washed resin particles, the resin particles are dried, and the dust splashing of the resin particles is further reduced due to the internal safety of the shell in the whole process, the dust cleaning work of the resin particles is completed, the dust splashing of the resin particles in the working environment is reduced, and the physical health of staff is improved.
Description
Technical Field
The invention belongs to the field of resin preparation, and particularly relates to graphene modified resin and a preparation method thereof.
Background
Resins refer to polymers as plastic substrates, and can be classified into natural resins and synthetic resins; the synthetic resin is a resin product obtained by chemical synthesis of simple organic matters or chemical reaction of certain natural products, and is a main component for preparing plastics; the graphene-modified resin is a novel synthetic resin in which the addition of graphene to the synthetic resin improves the characteristics of the resin.
One Chinese patent with publication number of CN108047636B discloses a graphene modified ABS resin and a preparation method thereof, wherein the preparation method comprises the following steps: providing melamine and diphenyl phosphoryl chloride, mixing the melamine and the diphenyl phosphoryl chloride and carrying out a combination reaction to obtain a melamine-diphenyl phosphoryl chloride compound; providing graphene oxide, mixing melamine-diphenyl phosphoryl chloride compound with the graphene oxide, and performing grafting reaction to obtain melamine-diphenyl phosphoryl chloride-graphene oxide; providing an ABS matrix, and melt-blending melamine-diphenyl phosphoryl chloride-graphene oxide with the ABS matrix to obtain the graphene modified ABS resin. The invention solves the problem of poor flame retardant property of ABS resin in the prior art.
After the graphene modified resin comes out, the resin needs to be dried, and then the dried resin is crushed into small particles, resin dust can be generated in the process, and the resin dust splashes in a working environment, is easily inhaled into the lung by a worker, and seriously damages the body health of the worker.
For this reason, the invention provides a graphene modified resin and a preparation method thereof.
Disclosure of Invention
In order to overcome the deficiencies of the prior art, at least one technical problem presented in the background art is solved.
The technical scheme adopted for solving the technical problems is as follows: the invention discloses a graphene modified resin, which comprises the following raw materials in parts by weight:
100-200 parts of resin
10-20 parts of graphene
1-10 parts of synthesis auxiliary agent
1-10 parts of curing agent.
Preferably, the synthesis auxiliary agent comprises the following raw materials in parts by weight:
1-5 parts of filler
0.5-5 parts of water-resistant agent
0.1-5 parts of tackifier
1-5 parts of an anti-aging agent;
the filler can prevent the resin adhesive layer from shrinking to generate internal stress, so that the ageing resistance of the resin is improved, and the service life of the resin is prolonged; the water resistance of the resin is improved by the water resistance agent; the tackifier improves the primary adhesion performance of the resin; the anti-aging agent reduces the aging speed of the resin and reduces the phenomena of cracking, photoresist stripping and falling off of the delivery site of the resin.
Preferably, the curing agent is ammonium chloride or ammonium sulfate; has the advantages of good water solubility, low cost, no toxicity, no smell, convenient use, etc.
The preparation method of the graphene modified resin is suitable for the graphene modified resin, and comprises the following steps of:
s1: adding resin and graphene into a reaction kettle according to a proportion, and stirring and mixing to obtain a mixed solution;
s2: adding a synthesis auxiliary agent and a curing agent into the mixed solution, and then mixing and stirring;
s3: filtering and drying the reacted mixed solution to obtain graphene modified resin semisolid;
s4: putting the graphene modified resin semisolid into forming equipment, and drying and crushing the graphene modified resin semisolid into graphene modified resin particles;
s5: putting graphene modified resin particles into a dust removing device, putting the resin particles onto a conveyor belt to drive the resin particles to move, spraying clear water in a tap water pipe from a water spraying hole by a water pump, spraying the clear water on the surface of the resin particles, taking away dust on the surface of the resin particles, discharging dust mixed clear water from a water discharging hole, starting a fan to generate wind, heating the wind through a heating coil, blowing the high-temperature wind to the position of the washed resin particles, and blow the resin particles to dry, wherein the whole process is finished in the shell, so that dust splashing of the resin particles is further reduced, and the dust removing work of the resin particles is finished;
s6: and packaging the clean graphene modified resin particles to obtain a graphene modified resin finished product.
Preferably, the dust removing device in the step S5 comprises a shell, a discharging bin, a conveyor belt, a washing tank, a water pump, a drying tank, a fan and a heating coil; the top one end of the shell is communicated with the discharging bin, the inside of the shell is rotationally provided with a conveying belt, the conveying belt is provided with a filtering hole, one side of the conveying belt is connected with a driving motor through a rotating shaft, the feeding end of the conveying belt is positioned at the bottom of the discharging bin, one side, close to the discharging bin, of the top of the shell is fixedly connected with a water washing tank, the inside of the water washing tank is fixedly connected with a water pump, the water inlet end of the water pump is communicated with a tap water pipe, the inside of the top of the shell is provided with a water tank, the water outlet end of the water pump is communicated with the water tank, the bottom end of the water tank is provided with a plurality of water spraying holes, one side, far from the discharging bin, of the top of the shell is fixedly connected with a drying box, the top wall of the drying box is provided with an air inlet, the bottom of the drying box is provided with an air outlet, the bottom of the drying box is fixedly connected with a heating coil, the heating coil is connected with a power supply through a wire and a controller, one end, far away from the discharging bin, of the shell is communicated with the discharging bin, and the bottom of the shell is communicated with the water outlet. During operation, the crushed resin particles are placed in a discharging bin, the resin particles fall onto a conveying belt, a driving motor drives the conveying belt to move to drive the resin particles to move to the bottom of a water washing tank, a water pump pressurizes clean water in a tap water pipe, the clean water is sent into a water tank and sprayed out from a water spraying hole, dust on the surface of the resin particles is carried away, dust mixed clean water is discharged from a water discharging hole, a fan is started, external air is sucked into a drying tank to generate wind, the wind is heated by a heating coil, high-temperature wind blows to the washed resin particles, the resin particles are dried, and the dried resin particles are discharged from the discharging hole; because the whole process is safe in the shell, the dust splashing of the resin particles is further reduced, so that the dust cleaning work of the resin particles is completed, the dust splashing of the resin is reduced in the working environment, and the physical health of workers is improved.
Preferably, the nozzle is arranged on the inner thread of the water spraying hole, a plurality of spray holes are formed in the inclined surface of the outer ring of the nozzle, a supporting rod is fixedly connected to the inner bottom surface of the nozzle, a sealing seat is slidably arranged at the top of the supporting rod, the top of the outer ring of the sealing seat is slidably matched with the top surface of the inner outer ring of the nozzle, a first spring is fixedly connected to the top of the supporting rod, a rotating block is fixedly connected to the top end of the first spring, and the top surface of the rotating block is rotationally connected with the top surface of the groove of the sealing seat; when the device works, after clean water enters the nozzle, the sealing seat is pushed to slide downwards, the first spring is pushed to compress, the clean water is dispersed and sprayed out from surrounding spray holes, the clean water is further dispersed, the uniformity of washing resin particles is improved, and the uniformity of removing dust mixed in the resin particles is improved; when the water pump stops, the sealing seat seals the top of the nozzle under the action of the elastic force of the first spring, so that the water in the water tank is prevented from flowing into the nozzle, and meanwhile, external dust is prevented from entering the water tank, so that the cleaning degree of the water tank is ensured.
Preferably, the bottom of the outer ring of the sealing seat is fixedly connected with a plurality of herringbone elastic strips, one side of the herringbone elastic strips, which is far away from the sealing seat, is fixedly connected with supporting strips, one side of the supporting strips, which is close to the inner wall of the nozzle, is fixedly connected with fluff, the fluff is in sliding fit with the inner wall of the nozzle, the inner walls of the two sides of the herringbone elastic strips are fixedly connected with one end of a second spring, the other end of the second spring is fixedly connected with the middle part of the supporting strips, the top end of the sealing seat is fixedly connected with fan blades, and the outer ring of each fan blade is sleeved on the inner ring of the nozzle; when the spray nozzle works, clean water passes through the fan blades after entering the spray nozzle, the fan blades are driven to rotate, the sealing seat is driven to rotate along the rotating block, and the supporting bars are driven to rotate, so that the fluff scratches the inner wall of the spray nozzle, the spray hole is cleaned, and the probability of scale generation in the spray nozzle and the probability of blockage of the spray nozzle are reduced; the supporting strips are pushed to squeeze the inner wall of the nozzle by the elasticity of the herringbone elastic strips and the elasticity of the second springs at the two sides, so that the cleaning strength of the fluff on the inner wall of the nozzle is improved.
Preferably, the outer wall of the conveyor belt is fixedly connected with a plurality of elastic partition boards, a cavity is formed in the elastic partition boards, the inner top wall of the shell is fixedly connected with a plurality of helical teeth, the tops of the helical teeth are in sliding fit with the tops of the elastic partition boards, and the helical teeth and the nozzles are alternately distributed; the resin particles falling from the blanking bin are separated through the elastic partition plate, the conveyor belt moves to drive the elastic partition plate to strike the helical teeth, so that the elastic partition plate deforms and vibrates, the separated resin particles vibrate and disperse, and the dust cleaning effect on the impurities in the resin particles is improved.
Preferably, a dispersing seat is fixedly connected in the discharging bin, and the dispersing seat is in a water drop shape; when the resin particles are added into the discharging bin, the resin particles are dispersed by the dispersing seat, so that the dispersing degree of the resin particles falling on the conveyor belt is further improved, and the dust cleaning effect on the impurities in the resin particles is further improved.
The beneficial effects of the invention are as follows:
1. according to the graphene modified resin and the preparation method thereof, the graphene modified resin is prepared from a conveyor belt, a water pump, a fan and a heating coil; the resin particles fall onto the conveyor belt, the resin particles are driven to move to the bottom of the water washing tank, the water pump pressurizes the clean water in the tap water pipe and sprays out from the water spraying hole, the water pump is sprayed on the surface of the resin particles, dust on the surface of the resin particles is taken away, the fan is started to generate wind, the wind is heated by the heating coil, the high-temperature wind blows the washed resin particles, the resin particles are dried, and the dust splashing of the resin particles is further reduced due to the internal safety of the shell in the whole process, the dust cleaning work of the resin particles is completed, the dust splashing of the resin particles in the working environment is reduced, and the physical health of staff is improved.
2. According to the graphene modified resin and the preparation method thereof, the elastic partition plate and the helical teeth are arranged; the resin particles falling from the blanking bin are separated through the elastic partition plate, the conveyor belt moves to drive the elastic partition plate to strike the helical teeth, so that the elastic partition plate deforms and vibrates, the separated resin particles vibrate and disperse, and the dust cleaning effect on the impurities in the resin particles is improved.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a perspective view of a first embodiment of the present invention;
FIG. 2 is a front view of a first embodiment of the invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is an enlarged view of a portion of FIG. 3 at B;
FIG. 5 is a cross-sectional view of a resilient diaphragm according to a second embodiment of the present invention;
FIG. 6 is a flow chart of a method of making the present invention;
in the figure: 1. a housing; 2. discharging the material bin; 3. a conveyor belt; 4. a washing tank; 5. a water pump; 6. a drying box; 7. a fan; 8. a heating coil; 9. a water tank; 10. a water discharge port; 11. a nozzle; 12. a spray hole; 13. a support rod; 14. a sealing seat; 15. a first spring; 16. a rotating block; 17. a herringbone spring bar; 18. a support bar; 19. fluff; 20. a second spring; 21. an elastic partition; 22. a cavity; 23. helical teeth; 24. a dispersion seat; 25. a crescent magnet; 26. a spherical magnet; 27. a connecting rod; 28. a push plate; 29. and (3) a fan blade.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
Example 1
The graphene modified resin provided by the embodiment of the invention comprises the following raw materials in parts by weight:
100-200 parts of resin
10-20 parts of graphene
1-10 parts of synthesis auxiliary agent
1-10 parts of curing agent.
The synthesis auxiliary agent consists of the following raw materials in parts by weight:
1-5 parts of filler
0.5-5 parts of water-resistant agent
0.1-5 parts of tackifier
1-5 parts of an anti-aging agent;
the filler can prevent the resin adhesive layer from shrinking to generate internal stress, so that the ageing resistance of the resin is improved, and the service life of the resin is prolonged; the water resistance of the resin is improved by the water resistance agent; the tackifier improves the primary adhesion performance of the resin; the anti-aging agent reduces the aging speed of the resin and reduces the phenomena of cracking, photoresist stripping and falling off of the delivery site of the resin.
The curing agent is ammonium chloride or ammonium sulfate; has the advantages of good water solubility, low cost, no toxicity, no smell, convenient use, etc.
As shown in fig. 6, a preparation method of a graphene modified resin is applicable to the graphene modified resin, and comprises the following steps:
s1: adding resin and graphene into a reaction kettle according to a proportion, and stirring and mixing to obtain a mixed solution;
s2: adding a synthesis auxiliary agent and a curing agent into the mixed solution, and then mixing and stirring;
s3: filtering and drying the reacted mixed solution to obtain graphene modified resin semisolid;
s4: putting the graphene modified resin semisolid into forming equipment, and drying and crushing the graphene modified resin semisolid into graphene modified resin particles;
s5: the graphene modified resin particles are put into a dust removing device, the resin particles fall onto a conveyor belt 3 to drive the resin particles to move, a water pump 5 sprays clear water in a tap water pipe from a water spraying hole to spray on the surface of the resin particles, dust on the surface of the resin particles is carried away, dust mixed clear water is discharged from a water discharging hole 10, a fan 7 is started to generate wind, the wind is heated by a heating coil 8, high-temperature wind blows to the washed resin particles, the resin particles are dried, and dust splashing of the resin particles is further reduced due to the fact that the whole process is completed in a shell 1, so that the dust removing work of the resin particles is completed;
s6: and packaging the clean graphene modified resin particles to obtain a graphene modified resin finished product.
As shown in fig. 1 to 2, the dust removing device described in S5 includes a housing 1, a discharging bin 2, a conveyor belt 3, a washing tank 4, a water pump 5, a drying tank 6, a fan 7, and a heating coil 8; the top one end of the shell 1 is communicated with the discharging bin 2, the inside of the shell 1 is rotatably provided with the conveying belt 3, the conveying belt 3 is provided with a filtering hole, one side of the conveying belt 3 is connected with a driving motor in a rotating way, the feeding end of the conveying belt 3 is positioned at the bottom of the discharging bin 2, the top of the shell 1 is close to one side of the discharging bin 2 and fixedly connected with the washing tank 4, the inside of the washing tank 4 is fixedly connected with the water pump 5, the water inlet end of the water pump 5 is communicated with a tap water pipe, the inside of the top of the shell 1 is provided with a water tank 9, the water outlet end of the water pump 5 is communicated with the water tank 9, the bottom end of the water tank 9 is provided with a plurality of water spraying holes, one side of the top of the shell 1, away from the discharging bin 2, the top wall of the drying bin 6 is fixedly connected with a drying box 6, the top wall of the drying box 6 is provided with an air outlet, the top wall of the drying box 6 is fixedly connected with a fan 7, the bottom of the drying box 6 is fixedly connected with a heating coil 8, the heating coil 8 is connected with a power supply through a wire and a controller, one end of the shell 1, which is far away from the discharging bin 2, and the bottom of the shell 1 is communicated with the discharging outlet 10. During operation, crushed resin particles are placed in a discharging bin 2, the resin particles fall onto a conveying belt 3, a driving motor drives the conveying belt 3 to move to drive the resin particles to move to the bottom of a water washing tank 4, a water pump 5 pressurizes clean water in a tap water pipe to be sent into a water tank 9, the clean water is sprayed out from a water spraying hole and sprayed on the surface of the resin particles, dust on the surface of the resin particles is carried away, dust mixed clean water is discharged from a water discharge port 10, a fan 7 is started, external air is sucked into a drying tank 6 to generate wind, the wind is heated by a heating coil 8, high-temperature wind blows to the washed resin particles, the resin particles are dried, and the dried resin particles are discharged from a discharging port; because the whole process is safe in the shell 1, the dust splashing of the resin particles is further reduced, so that the dust cleaning work of the resin particles is completed, the dust splashing of the resin is reduced in the working environment, and the physical health of staff is improved.
As shown in fig. 3 to 4, the nozzle 11 is mounted in the inner thread of the water spraying hole, the outer ring inclined surface of the nozzle 11 is provided with a plurality of spray holes 12, the inner bottom surface of the nozzle 11 is fixedly connected with the supporting rod 13, the top of the supporting rod 13 is slidably provided with the sealing seat 14, the outer ring top of the sealing seat 14 is slidably matched with the inner outer ring top surface of the nozzle 11, the top of the supporting rod 13 is fixedly connected with the first spring 15, the top of the first spring 15 is fixedly connected with the rotating block 16, and the top surface of the rotating block 16 is rotatably connected with the groove top surface of the sealing seat 14; when the device works, clean water enters the nozzle 11, then pushes the sealing seat 14 to slide downwards, pushes the first spring 15 to compress, dispersedly sprays clean water from surrounding spray holes 12, further disperses the clean water, improves the uniformity of washing resin particles, and improves the uniformity of removing dust mixed in the resin particles; when the water pump 5 stops, the sealing seat 14 seals the top of the nozzle 11 under the action of the elastic force of the first spring 15, so that the water in the water tank 9 is prevented from flowing into the nozzle 11, and meanwhile, the external dust is prevented from entering the water tank 9, so that the cleaning degree of the water tank 9 is ensured.
The bottom of the outer ring of the sealing seat 14 is fixedly connected with a plurality of lambdoidal spring strips 17, one side of the lambdoidal spring strips 17, which is far away from the sealing seat 14, is fixedly connected with a supporting strip 18, one side of the supporting strip 18, which is close to the inner wall of the nozzle 11, is fixedly connected with a fluff 19, the fluff 19 is in sliding fit with the inner wall of the nozzle 11, the inner walls of the two sides of the lambdoidal spring strips 17 are fixedly connected with one end of a second spring 20, the other end of the second spring 20 is fixedly connected with the middle part of the supporting strip 18, the top end of the sealing seat 14 is fixedly connected with a fan blade 29, and the outer ring of the fan blade 29 is sleeved on the inner ring of the nozzle 11; when the spray nozzle is in operation, after clean water enters the spray nozzle 11, the clean water passes through the fan blades 29, the fan blades 29 are driven to rotate, the sealing seat 14 is driven to rotate along the rotating block 16, the supporting bars 18 are driven to rotate, so that the fluff 19 scratches the inner wall of the spray nozzle 11, the spray hole 12 is cleaned, the probability of scale generation in the spray nozzle 11 and the probability of blockage of the spray nozzle 11 are reduced; the supporting bar 18 is pushed to squeeze the inner wall of the nozzle 11 by the elasticity of the lambdoidal elastic bar 17 and the elasticity of the second springs 20 at the two sides, so that the cleaning strength of the fluff 19 on the inner wall of the nozzle 11 is improved.
The outer wall of the conveyor belt 3 is fixedly connected with a plurality of elastic partition plates 21, a cavity 22 is formed in the elastic partition plates 21, a plurality of bevel gears 23 are fixedly connected to the inner top wall of the shell 1, the tops of the bevel gears 23 are in sliding fit with the tops of the elastic partition plates 21, and the bevel gears 23 and the nozzles 11 are alternately distributed; the resin particles falling from the blanking bin 2 are separated through the elastic partition plate 21, the conveyor belt 3 moves to drive the elastic partition plate 21 to strike the helical teeth 23, so that the elastic partition plate 21 deforms and vibrates, the separated resin particles vibrate and disperse, and the dust cleaning effect on the resin particles is improved.
A dispersing seat 24 is fixedly connected in the discharging bin 2, and the dispersing seat 24 is in a water drop shape; when the resin particles are added into the discharging bin 2, the resin particles are dispersed by the dispersing seat 24, so that the dispersing degree of the resin particles falling on the conveyor belt 3 is further improved, and the cleaning effect of dust mixed in the resin particles is further improved.
Example two
As shown in fig. 5, in comparative example one, another embodiment of the present invention is: the cavity 22 is fixedly connected with the crescent magnet 25 near one end of the conveyor belt 3, the spherical magnet 26 is slidably arranged in the cavity 22, the top of the spherical magnet 26 is attracted to the bottom of the crescent magnet 25, the bottom of the spherical magnet 26 is fixedly connected with the connecting rod 27, the connecting rod 27 penetrates through the outer wall of the cavity 22, one end, away from the conveyor belt 3, of the connecting rod 27 is fixedly connected with the push plate 28, the push plate 28 is slidably matched with the bottom wall of the shell 1, and the attraction between the spherical magnet 26 and the crescent magnet 25 is smaller than the gravity of the spherical magnet 26; when the cleaning device works, the conveyor belt 3 drives the elastic partition plate 21 to move to the bottom of the shell 1, the spherical magnet 26 acts on the crescent magnet 25 under the action of gravity, so that the push plate 28 contacts the bottom wall of the shell 1, the conveyor belt 3 drives the push plate 28 to be attached to the bottom wall of the shell 1 to move, and dust deposited on the bottom wall of the shell 1 is pushed into the water drain port 10, so that the cleaning degree of the interior of the shell 1 is further improved.
When in operation, the device comprises: placing the crushed resin particles into a discharging bin 2, dispersing the resin particles by a dispersing seat 24, and falling the resin particles onto a conveying belt 3, separating the resin particles falling from the discharging bin 2 by an elastic partition plate 21, driving the conveying belt 3 to move by a driving motor, driving the elastic partition plate 21 to strike inclined teeth 23, so that the elastic partition plate 21 deforms and vibrates, and the separated resin particles vibrate and disperse;
resin particles move to the bottom of the washing tank 4, the water pump 5 pressurizes the clean water in the tap water pipe into the water tank 9, after the clean water enters the nozzle 11, the sealing seat 14 is pushed to slide downwards, the first spring 15 is pushed to compress, the clean water is dispersed and sprayed out from surrounding spray holes 12, the clean water is dispersed, meanwhile, the clean water passes through the fan blades 29, the fan blades 29 are driven to rotate, the sealing seat 14 is driven to rotate along the rotating block 16, the supporting bar 18 is driven to rotate, the fluff 19 scratches the inner wall of the nozzle 11, the spray holes 12 are cleaned, the probability of scale generation in the nozzle 11 is reduced, and the probability of blockage of the nozzle 11 is reduced; the clean water is sprayed on the surfaces of the resin particles to carry away dust on the surfaces of the resin particles, and the dust mixed clean water is discharged from the water discharge port 10;
the fan 7 is started to suck outside air into the drying box 6 to generate wind, the wind is heated by the heating coil 8, the high-temperature wind blows to the washed resin particles, the resin particles are dried, and the dried resin particles are discharged from the discharging opening; because the whole process is safe in the shell 1, the dust splashing of the resin particles is further reduced, so that the dust cleaning work of the resin particles is completed, the dust splashing of the resin is reduced in the working environment, and the physical health of staff is improved.
The front, rear, left, right, up and down are all based on fig. 1 in the drawings of the specification, the face of the device facing the observer is defined as front, the left side of the observer is defined as left, and so on, according to the viewing angle of the person.
In the description of the present invention, it should be understood that the terms "center," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present invention.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. A preparation method of graphene modified resin is characterized by comprising the following steps: the graphene modified resin comprises the following raw materials in parts by weight:
100-200 parts of resin
10-20 parts of graphene
1-10 parts of synthesis auxiliary agent
1-10 parts of curing agent;
the synthesis auxiliary agent consists of the following raw materials in parts by weight:
1-5 parts of filler
0.5-5 parts of water-resistant agent
0.1-5 parts of tackifier
1-5 parts of an anti-aging agent;
the curing agent is ammonium chloride or ammonium sulfate;
the preparation method of the graphene modified resin comprises the following steps:
s1: adding resin and graphene into a reaction kettle according to a proportion, and stirring and mixing to obtain a mixed solution;
s2: adding a synthesis auxiliary agent and a curing agent into the mixed solution, and then mixing and stirring;
s3: filtering and drying the reacted mixed solution to obtain graphene modified resin semisolid;
s4: putting the graphene modified resin semisolid into forming equipment, and drying and crushing the graphene modified resin semisolid into graphene modified resin particles;
s5: putting the graphene modified resin particles into a dust removal device, and cleaning dust on the surfaces of the graphene modified resin particles;
s6: packaging the clean graphene modified resin particles to obtain a graphene modified resin finished product;
the dust removing device in the S5 comprises a shell (1), a discharging bin (2), a conveyor belt (3), a washing tank (4), a water pump (5), a drying box (6), a fan (7) and a heating coil (8); the utility model discloses a heating coil, including casing (1), conveyer belt (3) is installed in the inside rotation of casing (1), filter screen (9) are seted up to conveyer belt (3), one side pivot of conveyer belt (3) is connected driving motor, the material loading end of conveyer belt (3) is located the bottom of lower feed bin (2), one side rigid coupling water washing case (4) that the top of casing (1) is close to lower feed bin (2), the inside rigid coupling water pump (5) of water washing case (4), the water inlet end intercommunication of water pump (5) is from the water pipe, water tank (9) are seted up to the inside top of casing (1), water outlet pipeline intercommunication basin (9) of water tank (5), a plurality of water spray holes are seted up to the bottom of water tank (9), one side rigid coupling drying case (6) are kept away from to the top of casing (1), the roof of drying case (6) is seted up, the air outlet is seted up to the diapire of drying case (6), the roof of drying case (7), drying case (8) are kept away from the heating coil (8) through the bottom of heating coil (8) and one end of heating coil (8) are kept away from under the connecting the heating coil (1), the bottom of the shell (1) is communicated with a water drain port (10);
the inner thread of the water spraying hole is provided with a nozzle (11), the inclined surface of the outer ring of the nozzle (11) is provided with a plurality of spray holes (12), the inner bottom surface of the nozzle (11) is fixedly connected with a supporting rod (13), the top of the supporting rod (13) is slidably provided with a sealing seat (14), the top of the outer ring of the sealing seat (14) is slidably matched with the top surface of the inner outer ring of the nozzle (11), the top of the supporting rod (13) is fixedly connected with a first spring (15), the top of the first spring (15) is fixedly connected with a rotating block (16), and the top surface of the rotating block (16) is rotationally connected with the top surface of a groove of the sealing seat (14);
the sealing seat is characterized in that a plurality of herringbone elastic strips (17) are fixedly connected to the bottom of the outer ring of the sealing seat (14), one side, far away from the sealing seat (14), of the herringbone elastic strips (17) is fixedly connected with a supporting strip (18), one side, close to the inner wall of the nozzle (11), of the supporting strip (18) is fixedly connected with fluff (19), the fluff (19) is in sliding fit with the inner wall of the nozzle (11), one end of a second spring (20) is fixedly connected to the inner walls of the two sides of the herringbone elastic strips (17), the other end of the second spring (20) is fixedly connected with the middle part of the supporting strip (18), a fan blade (29) is fixedly connected to the top end of the sealing seat (14), and the outer ring of the fan blade (29) is sleeved on the inner ring of the nozzle (11).
2. The method for preparing the graphene modified resin according to claim 1, wherein: the outer wall rigid coupling of conveyer belt (3) is a plurality of elastic baffle (21), cavity (22) are seted up to the inside of elastic baffle (21), the inside roof rigid coupling of casing (1) is a plurality of skewed tooth (23), the top of skewed tooth (23) and the top sliding fit of elastic baffle (21), skewed tooth (23) and nozzle (11) distribute in turn.
3. The method for preparing the graphene modified resin according to claim 1, wherein: the inside rigid coupling of lower feed bin (2) disperses seat (24), dispersion seat (24) are the water droplet form.
4. The method for preparing the graphene modified resin according to claim 2, wherein: the utility model discloses a conveyer belt, including cavity (22), conveyer belt (3) and ball magnet (25) are installed to the one end rigid coupling crescent magnet (25) that cavity (22) is close to, the inside slidable mounting ball magnet (26) of cavity (22), the top of ball magnet (26) attracts with the bottom of crescent magnet (25), the bottom rigid coupling connecting rod (27) of ball magnet (26), the outer wall of cavity (22) is run through to connecting rod (27), one end rigid coupling push pedal (28) of conveyer belt (3) are kept away from to connecting rod (27), push pedal (28) and the diapire sliding fit of casing (1), the suction between ball magnet (26) and crescent magnet (25) is less than the gravity of ball magnet (26).
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