CN113058533A - Preparation process of negative oxygen ion coating - Google Patents
Preparation process of negative oxygen ion coating Download PDFInfo
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- CN113058533A CN113058533A CN202110431249.8A CN202110431249A CN113058533A CN 113058533 A CN113058533 A CN 113058533A CN 202110431249 A CN202110431249 A CN 202110431249A CN 113058533 A CN113058533 A CN 113058533A
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- 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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- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0006—Controlling or regulating processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- 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
- B01J19/0006—Controlling or regulating processes
- B01J19/0013—Controlling the temperature of the process
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- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
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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
- B01J19/006—Baffles
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- 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
- B01J19/0053—Details of the reactor
- B01J19/0073—Sealings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/087—Cleaning containers, e.g. tanks by methods involving the use of tools, e.g. brushes, scrapers
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- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
- B01J2219/00076—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements inside the reactor
- B01J2219/00081—Tubes
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- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00162—Controlling or regulating processes controlling the pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
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- B01J2219/00182—Controlling or regulating processes controlling the level of reactants in the reactor vessel
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Abstract
The invention discloses a preparation process of a negative oxygen ion coating, which comprises the following steps: slowly putting the filler and the graphene into a sample machine in sequence according to a proportion, grinding the filler and the graphene, putting the sample machine into a constant-temperature reaction device again after grinding, mixing and stirring the mixture in the adding process, raising the temperature to 45-65 ℃ after adding, and continuously mixing and stirring the mixture; and after the completion, adding the tackifier, the antifreeze agent, the dispersant, the film forming agent, the defoaming agent and the antioxidant into the stirrer again, mixing and stirring again, continuing adding the pigment into the stirrer, and raising the temperature to 80-100 ℃ again. According to the invention, the hydraulic pressure supplied into the elastic circulating pipes is increased, the elastic circulating pipes expand and become larger, the adjacent elastic circulating pipes are mutually extruded, so that the internal volume of the reaction kettle is reduced, the liquid level of the material is quickly raised, and the booster pump is closed after the material reaches a proper height, so that the material can be fully contacted with the elastic circulating pipes.
Description
Technical Field
The invention belongs to the technical field of preparation of negative oxygen ion coatings, and particularly relates to a preparation process of a negative oxygen ion coating.
Background
The coating is a traditional building material, the function of the coating is generally used for decoration and protection, but with air pollution caused by indoor decoration, the traditional building material is further required to have the functions of antibiosis, air purification and the like, and although similar air purification coatings appear in the market at present, the effects of the coatings are not ideal. With the health and environmental importance of people, the non-toxic and odorless characteristics of the interior wall coating are more concerned, so that the traditional coating does not accord with the pursuit of people for high-quality life.
The negative ion coating is a coating type which is popularized at present and has a higher environment-friendly effect, but when the negative ion coating is prepared at present, the structures of most adopted reaction kettles are simpler, so that the efficiency of the preparation process is influenced, and the influence is caused by the cleaning work at later stage
Disclosure of Invention
Aiming at the problems, the invention provides a preparation process of a negative oxygen ion coating, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a preparation process of a negative oxygen ion coating comprises the following steps:
s1, selecting a constant-temperature reaction device, and carrying out disinfection and sterilization treatment on the constant-temperature reaction device;
s2, slowly putting the filler and the graphene into a sample machine in sequence according to the proportion, grinding the filler and the graphene, putting the sample machine into the constant-temperature reaction device again after grinding, mixing and stirring the mixture in the adding process, raising the temperature to 45-65 ℃ after adding, and continuing mixing and stirring the mixture;
s3, after S2 is finished, adding the tackifier, the antifreeze agent, the dispersant, the film forming agent, the defoaming agent and the antioxidant into the stirrer again, mixing and stirring again, continuing to add the pigment into the stirrer, raising the temperature to 80-100 ℃ again, and slowly stirring;
s4, after the above steps are finished, taking out, placing the mixture in a cool closed space, cooling, after the temperature is reduced to 20-25 ℃, obtaining a mixture, placing the mixture in a grinder for grinding, wherein the ground particles are not more than 2 microns, and obtaining the negative oxygen ion coating;
the constant-temperature reaction device comprises a reaction kettle and a constant-temperature constant-pressure water supply device communicated with the reaction kettle, wherein the top of the reaction kettle comprises a feed inlet and a liquid inlet, the bottom of the reaction kettle is provided with a feed outlet, the inner wall of the reaction kettle is provided with an elastic circulating pipe, the elastic circulating pipe is spirally arranged on the inner wall of the reaction kettle, the upper end of the elastic circulating pipe is communicated to the constant-temperature constant-pressure water supply device through a water outlet pipe, the lower end of the elastic circulating pipe is communicated to the constant-temperature constant-pressure water supply device through a water inlet pipe, and;
a stirring motor is installed at the top of the reaction kettle, the output end of the stirring motor is connected with a stirring shaft, the outer surface of the stirring shaft is provided with a convex rib along the axial direction of the stirring shaft, the outer side of the stirring shaft is connected with a sliding block in a sliding manner, the inner side of the sliding block is provided with a groove matched with the convex rib, and the side surface of the sliding block is connected with a stirring mechanism;
rabbling mechanism is including being located the arc baffle of slider both sides, arc baffle's the centre of a circle is located (mixing) shaft one side, arc baffle is close to the top and the bottom of slider one side and all rotates through rolling bearing and is connected with a set of paddle, the cylindricality cavity has been seted up to the inboard of paddle, the internal surface of cavity is equipped with the direction screw thread, the inboard of cavity is equipped with the threaded rod, the threaded rod with the direction screw thread cooperatees, the inboard of cavity is equipped with the spring, the spring is used for outwards pushing the threaded rod, threaded rod and slider fixed connection, the upper and lower both ends that arc baffle is close to one side of reation kettle inner wall all install the brush, the brush is located between the.
Preferably, the elastic circulating pipe is made of inert materials. The service life of the elastic circulating pipe can be effectively prolonged by selecting the inert material.
Preferably, the top of the reaction kettle is provided with a liquid level meter. Through the setting of level gauge, the change condition of the inside liquid level of reation kettle of audio-visual observation when the in-service use of relevant personnel of being convenient for.
Preferably, a sealing ring is arranged on the side surface of the opening of the cavity. Through setting up the sealing washer, effectively reduce the inside material of reation kettle and enter into the inside condition of cavity to this threaded connection effect of assurance threaded rod and cavity inside.
Preferably, the thread of the threaded rod is arranged at one end located in the cavity. Through set up the screw thread in the one end of threaded rod, can improve the sealed effect of threaded rod and sealing washer complex.
Preferably, the constant-temperature and constant-pressure water supply device comprises an electric boiler, a booster pump used for boosting the inside of the electric boiler is installed on the electric boiler, and a pressure release valve is further installed on the electric boiler. The pressure in the electric heating boiler can be adjusted by the matching of the booster pump and the pressure release valve, so that the expansion state of the elastic circulating pipe can be adjusted.
Preferably, one side of the interior of the elastic circulating pipe, which is close to the stirring shaft, is provided with a plurality of groups of permanent magnets, the groups of permanent magnets are arranged along the direction of the elastic circulating pipe, and the arc-shaped baffle is made of a magnetic corrosion-resistant material. Through permanent magnet and cowl's adsorption effect, can further improve cowl along the stability that elastic circulation pipe removed, further avoid cowl and elastic circulation pipe to break away from.
The invention has the technical effects and advantages that:
1. according to the invention, the water temperature can be controlled to a specified temperature through the electric heating boiler, after raw materials are put into the reaction kettle, the circulating pump is started to heat the reaction kettle in a water bath, meanwhile, the pressure in the electric heating boiler is increased through the booster pump, so that the hydraulic pressure fed into the elastic circulating pipe is increased due to the increase of the air pressure in the electric heating boiler, the elastic circulating pipe expands and becomes larger, the adjacent elastic circulating pipes are mutually extruded, the internal volume of the reaction kettle is reduced, the liquid level of the materials is quickly raised, the booster pump is closed after the proper height is reached, so that the materials can be fully contacted with the elastic circulating pipes, the water bath heating efficiency is improved, and the situations that the materials are too small in amount and the rapid water bath heating is;
2. when the stirring motor drives the stirring mechanism to rotate, the brush slides between the two adjacent groups of elastic circulating pipes, so that the stirring mechanism can conveniently move along the direction of the elastic circulating pipes, the stirring mechanism can spirally move when the stirring motor rotates, materials in the reaction kettle can be comprehensively stirred, the processing efficiency is improved, meanwhile, the brush moves along the surface of the elastic circulating pipes, the surface of the elastic circulating pipes can be conveniently cleaned, the situation that the elastic circulating pipes are attached to the materials is effectively reduced, and the resource waste is reduced;
3. when the material in the reaction kettle is increased, the pressure in the electric boiler can be reduced by exhausting through the pressure relief valve, so that the pressure in the elastic circulating pipe is reduced, the elastic circulating pipe is contracted, the internal volume of the reaction kettle is increased, the requirement of the current material quantity is met, and if the liquid level of the material is lower after pressure relief, the liquid level of the material can be regulated to a proper position in a booster pump boosting mode again, so that the material in the reaction kettle is always in a proper position, and the heating efficiency of the material in a water bath is ensured;
4. when the elastic circulating pipe contracts and expands, the materials attached to the surface of the elastic circulating pipe are conveniently separated from the elastic circulating pipe, so that the waste of the materials is effectively reduced, and the materials attached to the inner part of the reaction kettle are more conveniently cleaned;
5. when the elastic circulating pipe contracts, the stirring mechanism is driven by the spring and the permanent magnet sucks the arc baffle plate, the threaded rod moves outwards from the cavity, the paddle rotates by matching with the guiding effect of the guiding thread, the inclination angle of the paddle is increased, and on the basis of the second time, when the stirring shaft drives the stirring mechanism to rotate, the stirring effect on materials in the reaction kettle can be further improved, so that the elastic circulating pipe is suitable for causing the positive volume of the reaction kettle when the elastic circulating pipe contracts, and the stirring effect is ensured; on the contrary, when the elastic circulation pipe expanded, reation kettle internal volume reduced, and the threaded rod extrudeed to the cavity in, and the paddle rotated this moment and made the inclination of paddle diminish, and the paddle reduces the stirring dynamics of material, and the power of agitator motor output is used for driving the rabbling mechanism more rotatory, and the rabbling mechanism's of being convenient for rotation on this basis to this reply elastic circulation pipe extrusion rabbling mechanism, leads to the rabbling mechanism to be difficult to the pivoted condition.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 shows a process flow diagram of the present invention;
FIG. 2 shows an isometric view of an embodiment of the present invention;
FIG. 3 is a partial sectional view showing a contracted state of the elastic circulation tube in the embodiment of the present invention;
FIG. 4 is a partial sectional view showing an expanded state of the elastic circulation tube in the embodiment of the present invention;
FIG. 5 is a schematic cross-sectional view of a stirring mechanism according to an embodiment of the present invention;
FIG. 6 shows a schematic view of the connection of the slider and the stirring shaft according to the embodiment of the present invention;
FIG. 7 shows an enlarged view of the area of FIG. 3A;
in the figure: 1. a reaction kettle; 2. an electric boiler; 3. a booster pump; 4. a pressure relief valve; 5. a water inlet pipe; 6. a circulation pump; 7. a water outlet pipe; 8. a liquid inlet; 9. a feed inlet; 10. a stirring motor; 11. a liquid level meter; 12. a feeding port; 13. a slider; 14. an elastic circulation tube; 15. a paddle; 16. a spring; 17. a cavity; 18. a rotating bearing; 19. an arc-shaped baffle plate; 20. a brush; 21. a stirring shaft; 22. a rib; 23. grooving; 24. a permanent magnet; 25. a threaded rod; 26. and (5) sealing rings.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. 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.
As shown in FIGS. 1 to 7, the invention provides a preparation process of a negative oxygen ion coating, which comprises the following steps:
s1, selecting a constant-temperature reaction device, and carrying out disinfection and sterilization treatment on the constant-temperature reaction device;
s2, slowly putting the filler and the graphene into a sample machine in sequence according to the proportion, grinding the filler and the graphene, putting the sample machine into the constant-temperature reaction device again after grinding, mixing and stirring the mixture in the adding process, raising the temperature to 45-65 ℃ after adding, and continuing mixing and stirring the mixture;
s3, after S2 is finished, adding the tackifier, the antifreeze agent, the dispersant, the film forming agent, the defoaming agent and the antioxidant into the stirrer again, mixing and stirring again, continuing to add the pigment into the stirrer, raising the temperature to 80-100 ℃ again, and slowly stirring;
s4, after the above steps are finished, taking out, placing the mixture in a cool closed space, cooling, after the temperature is reduced to 20-25 ℃, obtaining a mixture, placing the mixture in a grinder for grinding, wherein the ground particles are not more than 2 microns, and obtaining the negative oxygen ion coating;
above-mentioned constant temperature reaction unit includes reation kettle 1 and the constant temperature and pressure water supply installation who communicates with reation kettle 1, reation kettle 1's top includes feed inlet 9 and inlet 8, reation kettle 1's bottom is equipped with feed opening 12, reation kettle 1's inner wall is equipped with elastic circulation pipe 14, elastic circulation pipe 14 is the heliciform setting at reation kettle 1's inner wall, elastic circulation pipe 14's upper end communicates to constant temperature and pressure water supply installation through outlet pipe 7, elastic circulation pipe 14's lower extreme communicates to constant temperature and pressure water supply installation through inlet tube 5, install circulating pump 6 on the inlet tube 5.
When the device is used, the water temperature can be controlled to a specified temperature through the constant-temperature constant-pressure water supply device, after raw materials are put into the reaction kettle 1, the circulating pump 6 is started to heat the reaction kettle 1 in a water bath, and meanwhile, the constant-temperature constant-pressure water supply device is used for pressurizing, as the air pressure of the constant-temperature constant-pressure water supply device is increased, the hydraulic pressure supplied into the elastic circulating pipes 14 is increased, the elastic circulating pipes 14 expand and become larger, the adjacent elastic circulating pipes 14 are mutually extruded, so that the internal volume of the reaction kettle 1 is reduced, the liquid level of the materials is quickly raised, and the pressurizing pump 3 is closed after the proper height is reached, so that the materials can be fully contacted with the elastic circulating pipes 14 at the moment, the water bath heating efficiency is improved, and the situations that the;
when 1 inside material of reation kettle increases, exhaust through constant temperature and pressure water supply installation, can make constant temperature and pressure water supply installation internal pressure decline, thereby make the pressure reduction in the elastic circulation pipe 14, the elastic circulation pipe 14 shrink, 1 inside volume increase of reation kettle, with this demand that satisfies current material volume, and if the material liquid level is lower after the pressure release, can pass through the mode of booster pump 3 pressure boost once more, with the liquid level control of material to suitable position, thereby 1 inside material of reation kettle is in suitable position all the time, guarantee material water bath heating efficiency.
The stirring device is characterized in that a stirring motor 10 is installed at the top of the reaction kettle 1, the output end of the stirring motor 10 is connected with a stirring shaft 21, a convex rib 22 is arranged on the outer surface of the stirring shaft 21 along the axial direction of the stirring shaft 21, a sliding block 13 is connected to the outer side of the stirring shaft 21 in a sliding manner, a slot 23 matched with the convex rib 22 is arranged on the inner side of the sliding block 13, and a stirring mechanism is connected to the side surface of the sliding block 13;
rabbling mechanism is including being located the arc baffle 19 of slider 13 both sides, the centre of a circle of arc baffle 19 is located (mixing) shaft 21 one side, arc baffle 19 is close to top and the bottom of slider 13 one side and all rotates through rolling bearing 18 and is connected with a set of paddle 15, cylindricality cavity 17 has been seted up to the inboard of paddle 15, the internal surface of cavity 17 is equipped with the direction screw thread, the inboard of cavity 17 is equipped with threaded rod 25, threaded rod 25 with the direction screw thread cooperatees, the inboard of cavity 17 is equipped with spring 16, spring 16 is used for outwards pushing threaded rod 25, threaded rod 25 and slider 13 fixed connection, arc baffle 19 all installs brush 20 near the upper and lower both ends of one side of reation kettle 1 inner wall, brush 20 is located between the adjacent elasticity circulating pipe 14 from top to bottom.
When using, when agitator motor 10 drives the rabbling mechanism rotatory, slide between two sets of adjacent elastic circulation pipes 14 through brush 20, the rabbling mechanism of can being convenient for removes along the direction of elastic circulation pipe 14, thereby when agitator motor 10 is just reversing, the rabbling mechanism can upwards or move down by the spiral, with this can carry out comparatively comprehensive stirring to the material in reation kettle 1, thereby improve machining efficiency, rely on brush 20 to remove along the surface of elastic circulation pipe 14 simultaneously, can be convenient for clear up the surface of elastic circulation pipe 14, with this condition of attached material has effectively been avoided to the elastic circulation pipe 14 that has reduced, with this extravagant resource.
As an embodiment of the present invention, the elastic circulation tube 14 is made of an inert material. The service life of the elastic circulation tube 14 can be effectively prolonged by selecting the inert material.
As an embodiment of the invention, the top of the reaction kettle 1 is provided with a liquid level meter 11. Through the setting of level gauge 11, the change condition of reation kettle 1 inside liquid level is observed to relevant personnel's intuitionistic when in actual use of being convenient for.
In one embodiment of the present invention, the open side of the cavity 17 is provided with a sealing ring 26. Through setting up sealing washer 26, effectively reduce the inside material of reation kettle 1 and enter into the inside condition of cavity 17 to this threaded connection effect of assurance threaded rod 25 and cavity 17 inside.
As an embodiment of the invention, the thread of the threaded rod 25 is arranged at one end in the cavity 17. By providing a thread at one end of the threaded rod 25, the sealing effect of the threaded rod 25 and the seal ring 26 can be improved.
As an embodiment of the invention, the constant-temperature and constant-pressure water supply device comprises an electric boiler 2, wherein a booster pump 3 for boosting the interior of the electric boiler 2 is arranged on the electric boiler 2, and a pressure release valve 4 is also arranged on the electric boiler 2. The pressure in the electric boiler 2 can be adjusted through the matching of the booster pump 3 and the pressure release valve 4, so that the expansion state of the elastic circulating pipe 14 can be adjusted.
As an embodiment of the invention, a plurality of groups of permanent magnets 24 are arranged on one side of the interior of the elastic circulating pipe 14 close to the stirring shaft 21, the plurality of groups of permanent magnets 24 are arranged along the direction of the elastic circulating pipe 14, and the arc-shaped baffle 19 is made of a magnetic-philic corrosion-resistant material. The stability of the movement of the arc-shaped baffle plate 19 along the elastic circulation pipe 14 can be further improved by the adsorption effect of the permanent magnet 24 and the arc-shaped baffle plate 19, and the arc-shaped baffle plate 19 is further prevented from being separated from the elastic circulation pipe 14.
When the electric heating water bath heating device is used, the water temperature can be controlled to a specified temperature through the electric heating boiler 2, after raw materials are put into the reaction kettle 1, the circulating pump 6 is started to heat the reaction kettle 1 in a water bath, meanwhile, the pressure in the electric heating boiler 2 is increased through the booster pump 3, the air pressure in the electric heating boiler 2 is increased, so that the hydraulic pressure supplied into the elastic circulating pipes 14 is increased, the elastic circulating pipes 14 expand and become larger, the adjacent elastic circulating pipes 14 are mutually extruded, so that the internal volume of the reaction kettle 1 is reduced, the liquid level of materials is quickly raised, the booster pump 3 is closed after the proper height is reached, the materials can be fully contacted with the elastic circulating pipes 14 at the moment, the water bath heating efficiency is improved, and the situations that the materials are too small and the rapid water bath heating is difficult;
when the stirring motor 10 drives the stirring mechanism to rotate, the brush 20 slides between the two adjacent groups of elastic circulating pipes 14, so that the stirring mechanism can conveniently move along the direction of the elastic circulating pipes 14, when the stirring motor 10 rotates, the stirring mechanism can spirally move, materials in the reaction kettle 1 can be more comprehensively stirred, the processing efficiency is improved, meanwhile, the brush 20 moves along the surfaces of the elastic circulating pipes 14, the surfaces of the elastic circulating pipes 14 can be conveniently cleaned, the situation that the elastic circulating pipes 14 are prevented from being attached with the materials is effectively reduced, and the resource waste is reduced;
when the material in the reaction kettle 1 is increased, the pressure in the electric boiler 2 can be reduced by exhausting through the pressure relief valve 4, so that the pressure in the elastic circulating pipe 14 is reduced, the elastic circulating pipe 14 is contracted, the internal volume of the reaction kettle 1 is increased, the requirement of the current material quantity is met, and after pressure relief, if the liquid level of the material is low, the liquid level of the material can be regulated to a proper position in a pressurizing mode of the booster pump 3 again, so that the material in the reaction kettle 1 is always in a proper position, and the heating efficiency of the material in a water bath is ensured;
when the elastic circulating pipe 14 contracts and expands, the materials attached to the surface of the elastic circulating pipe 14 are conveniently separated from the elastic circulating pipe 14, so that the waste of the materials is effectively reduced, and the materials attached to the inside of the reaction kettle 1 are more conveniently cleaned;
when the elastic circulating pipe 14 contracts, the stirring mechanism is driven by the spring 16 and the permanent magnet 24 sucks the arc-shaped baffle 19, the threaded rod 25 moves outwards from the cavity 17, the paddle 15 rotates by matching with the guiding effect of the guiding thread, the inclination angle of the paddle 15 is increased, and on the basis of the rotation, when the stirring shaft 21 drives the stirring mechanism to rotate, the stirring effect on the materials in the reaction kettle 1 can be further improved, so that the elastic circulating pipe 14 contracts to cause the positive internal volume of the reaction kettle 1, and the stirring effect is ensured; on the contrary, when the elastic circulation pipe 14 expands, the internal volume of the reaction kettle 1 is reduced, the threaded rod 25 extrudes into the cavity 17, at the moment, the paddle 15 rotates to reduce the inclination angle of the paddle 15, the stirring force of the paddle 15 to the material is reduced, more power output by the stirring motor 10 is used for driving the stirring mechanism to rotate, the stirring mechanism is convenient to rotate on the basis, the stirring mechanism is extruded by the elastic circulation pipe 14, and the stirring mechanism is difficult to rotate.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (7)
1. The preparation process of the negative oxygen ion coating is characterized by comprising the following steps of:
s1, selecting a constant-temperature reaction device, and carrying out disinfection and sterilization treatment on the constant-temperature reaction device;
s2, slowly putting the filler and the graphene into a sample machine in sequence according to the proportion, grinding the filler and the graphene, putting the sample machine into the constant-temperature reaction device again after grinding, mixing and stirring the mixture in the adding process, raising the temperature to 45-65 ℃ after adding, and continuing mixing and stirring the mixture;
s3, after S2 is finished, adding the tackifier, the antifreeze agent, the dispersant, the film forming agent, the defoaming agent and the antioxidant into the stirrer again, mixing and stirring again, continuing to add the pigment into the stirrer, raising the temperature to 80-100 ℃ again, and slowly stirring;
s4, after the above steps are finished, taking out, placing the mixture in a cool closed space, cooling, after the temperature is reduced to 20-25 ℃, obtaining a mixture, placing the mixture in a grinder for grinding, wherein the ground particles are not more than 2 microns, and obtaining the negative oxygen ion coating;
the constant-temperature reaction device comprises a reaction kettle (1) and a constant-temperature and constant-pressure water supply device communicated with the reaction kettle (1), wherein the top of the reaction kettle (1) comprises a feed inlet (9) and a liquid inlet (8), the bottom of the reaction kettle (1) is provided with a feed outlet (12), the inner wall of the reaction kettle (1) is provided with an elastic circulating pipe (14), the elastic circulating pipe (14) is spirally arranged on the inner wall of the reaction kettle (1), the upper end of the elastic circulating pipe (14) is communicated to the constant-temperature and constant-pressure water supply device through a water outlet pipe (7), the lower end of the elastic circulating pipe (14) is communicated to the constant-temperature and constant-pressure water supply device through a water inlet pipe (5), and a circulating pump (6;
a stirring motor (10) is installed at the top of the reaction kettle (1), the output end of the stirring motor (10) is connected with a stirring shaft (21), a convex rib (22) is arranged on the outer surface of the stirring shaft (21) along the axial direction of the stirring shaft (21), a sliding block (13) is connected to the outer side of the stirring shaft (21) in a sliding manner, a groove (23) matched with the convex rib (22) is formed in the inner side of the sliding block (13), and a stirring mechanism is connected to the side face of the sliding block (13);
the stirring mechanism comprises arc-shaped baffles (19) positioned on two sides of a sliding block (13), the circle center of each arc-shaped baffle (19) is positioned on one side of a stirring shaft (21), the top and the bottom of each arc-shaped baffle (19) close to one side of the sliding block (13) are rotatably connected with a group of blades (15) through rotating bearings (18), cylindrical cavities (17) are formed in the inner sides of the blades (15), guide threads are arranged on the inner surfaces of the cavities (17), threaded rods (25) are arranged on the inner sides of the cavities (17), the threaded rods (25) are matched with the guide threads, springs (16) are arranged on the inner sides of the cavities (17), the springs (16) are used for outwards pushing the threaded rods (25), the threaded rods (25) are fixedly connected with the sliding block (13), and brushes (20) are respectively installed at the upper end and the lower end of one side, close to the inner wall of, the brush (20) is positioned between the upper and lower adjacent elastic circulating pipes (14).
2. The process for preparing negative oxygen ion paint according to claim 1,
the elastic circulating pipe (14) is made of inert materials.
3. The process for preparing a negative oxygen ion coating according to claim 1 or 2,
the top of the reaction kettle (1) is provided with a liquid level meter (11).
4. The process for preparing negative oxygen ion paint according to claim 3,
and a sealing ring (26) is arranged on the side surface of the opening of the cavity (17).
5. The process for preparing negative oxygen ion paint according to claim 4,
the thread of the threaded rod (25) is arranged at one end in the cavity (17).
6. The process for preparing a negative oxygen ion coating according to claim 1 or 2,
the constant-temperature and constant-pressure water supply device comprises an electric heating boiler (2), a booster pump (3) used for internal pressurization of the electric heating boiler (2) is installed on the electric heating boiler (2), and a pressure release valve (4) is further installed on the electric heating boiler (2).
7. The process for preparing negative oxygen ion paint according to claim 6,
a plurality of groups of permanent magnets (24) are arranged on one side, close to the stirring shaft (21), in the elastic circulating pipe (14), the groups of permanent magnets (24) are arranged along the direction of the elastic circulating pipe (14), and the arc-shaped baffle (19) is made of a magnetic corrosion-resistant material.
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| CN202110431249.8A CN113058533A (en) | 2021-04-21 | 2021-04-21 | Preparation process of negative oxygen ion coating |
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Application publication date: 20210702 |