CN112892900A - Pneumatic spraying device matched with large-scale coating equipment for use and spraying method of nano silver wire - Google Patents
Pneumatic spraying device matched with large-scale coating equipment for use and spraying method of nano silver wire Download PDFInfo
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- CN112892900A CN112892900A CN202110065026.4A CN202110065026A CN112892900A CN 112892900 A CN112892900 A CN 112892900A CN 202110065026 A CN202110065026 A CN 202110065026A CN 112892900 A CN112892900 A CN 112892900A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
- B05B7/0416—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/12—Spray pistols; Apparatus for discharge designed to control volume of flow, e.g. with adjustable passages
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
- B05D3/0218—Pretreatment, e.g. heating the substrate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
- B05D3/0254—After-treatment
- B05D3/0272—After-treatment with ovens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/02—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to macromolecular substances, e.g. rubber
- B05D7/04—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to macromolecular substances, e.g. rubber to surfaces of films or sheets
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Nozzles (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention relates to the field of film material spraying, in particular to a pneumatic spraying device matched with large-scale coating equipment and a spraying method of a nano silver wire. The pneumatic spraying device comprises a base and a main box body, wherein the main box body is connected with the base through a support column capable of moving up and down, an air filter and a spraying mechanism are respectively arranged at the two horizontal ends of the main box body, and an air inlet pipe penetrates through the air filter, the main box body and the spraying mechanism; the base is internally provided with a storage tank, the storage tank is provided with a liquid medicine liquid inlet pipe, and the other end of the liquid medicine liquid inlet pipe is communicated with the main tank body. The pneumatic spraying device matched with large-scale coating equipment for use has the advantages of simple structure, low cost and easy installation; can support continuous production and has high stability; different models of coating equipment can be supported; can support coating different substrates; can support the application of different liquid medicines.
Description
Technical Field
The invention relates to the field of film material spraying, in particular to a pneumatic spraying device matched with large-scale coating equipment and a spraying method of a nano silver wire.
Background
The large-scale coating machine has the characteristics of stability, continuity, high production efficiency and the like in the process of coating a film material, but the large-scale coating machine can only coat a single liquid medicine of a homogeneous system at a time, and large-scale coating equipment catches the toggle under the condition that two or even different liquid medicines of different phases need to be synchronously matched for use; the cost for modifying large-scale coating equipment is high, and the service life of the equipment is influenced.
Disclosure of Invention
In order to solve the problems, the invention provides a pneumatic spraying device matched with large-scale coating equipment for use, which has the following specific technical scheme:
a pneumatic spraying device matched with large-scale coating equipment comprises a base and a main box body, wherein the main box body is connected with the base through a support column capable of moving up and down,
an air filter and a spraying mechanism are respectively arranged at the two horizontal ends of the main box body, and an air inlet pipe penetrates through the air filter, the main box body and the spraying mechanism;
the base is internally provided with a storage tank, the storage tank is provided with a liquid medicine liquid inlet pipe, and the other end of the liquid medicine liquid inlet pipe is communicated with the main tank body.
Further, the spraying mechanism comprises a fixing component, a telescopic bending component and a spraying head which are connected in sequence, and the fixing component is connected with the main box body.
Furthermore, the telescopic bending component comprises a telescopic sleeve and a bendable round pipe fixedly connected with the sleeve, the liquid medicine inlet pipe penetrates through the inner parts of the sleeve and the round pipe, the air inlet pipe penetrates through the inner part of the sleeve and the outer part of the round pipe,
each tube layer of the sleeve is provided with a telescopic spring, the outer surface of the circular tube is provided with a rubber outer layer,
the sleeve pipe is equipped with first flange, the pipe is equipped with the second flange.
Further, the spraying head includes interconnect's connecting piece and spraying mouth, the other end of connecting piece is equipped with the third flange, the spraying head is equipped with atomizing chamber, air intake pipe and liquid medicine feed liquor pipe enter into atomizing chamber, the atomizing chamber other end is equipped with out the fog pipe and extends to spraying mouth surface.
Further, the second flange is connected with the third flange, so that the telescopic bending component and the spraying head are fixedly connected.
Furthermore, the included angle between the air inlet pipe and the liquid medicine inlet pipe is 28-35 degrees.
Further, the fixing member is provided with a liquid amount control valve. The liquid quantity control valve is used for controlling the flow and the pressure of the liquid medicine in the liquid medicine inlet pipe.
Furthermore, the air inlet pipe is provided with an air volume control valve. The air quantity control valve is used for controlling the flow and the pressure of air in the air inlet pipe.
Further, the liquid medicine feed pipe is provided with a booster pump, and the support column is provided with a lifting adjusting valve. The booster pump can make the liquid medicine pump out from the storage tank to flow along liquid medicine feed liquor pipe, atomize in getting into the atomizing chamber. The lifting adjusting valve can enable the supporting column to move up and down, and then the position of the spraying head in the vertical direction is adjusted.
Furthermore, the bottom of the base is provided with a pulley, and the pulley is provided with a braking device, so that the pneumatic spraying device can move horizontally conveniently.
The invention relates to an atomization mode of a pneumatic spraying device matched with large-scale coating equipment, which comprises the following steps: the air source is provided by an air compressor, the air quantity entering the atomizing chamber is controlled by an air quantity control valve, and compressed air is conveyed into the atomizing chamber; meanwhile, the liquid medicine is pressurized by a booster pump, and the liquid quantity entering the atomizing chamber is controlled by a liquid quantity control valve; the liquid medicine is subjected to unstable fluctuation generated by gas disturbance, and the liquid is broken into liquid drops on the interface of liquid and gas phases, so that the liquid drops are atomized; atomization is affected by the nozzle configuration, the flow rates of the liquid and gas, the gas density, the surface tension, viscosity and density of the liquid;
the pneumatic spraying device matched with the large-scale coating equipment is used for controlling the atomization effect by controlling the air inflow of air, the liquid inlet quantity of liquid medicine, the liquid inlet pressure of the liquid medicine and the included angle between the air inlet pipe and the liquid medicine inlet pipe.
The pneumatic spraying device matched with large-scale coating equipment for use has the advantages of simple structure, low cost and easy installation; can support continuous production and has high stability; different models of coating equipment can be supported; can support coating different substrates; can support the application of different liquid medicines. The pneumatic spraying device matched with the large-scale coating equipment is used for optimizing the equipment under the condition of not modifying the large-scale coating equipment, so that the pneumatic spraying device is suitable for various application scenes, and more economic benefits are created.
The invention also provides a spraying method of the nano silver wire by adopting the pneumatic spraying device, which comprises the following steps:
(1) adding water into the modified nano silver wire according to the mass percentage: ethanol: 1-isopropyl alcohol: 5: 4, preparing a nano silver wire suspension with the mass fraction of 0.01-0.1%;
(2) placing the nano silver wire suspension at a material storage tank of a pneumatic spraying device, adjusting the position of the pneumatic spraying device through a pulley and a lifting adjusting valve, adjusting an air quantity control valve and a liquid quantity control valve, and adjusting the position of a spraying opening;
(3) placing a polytetrafluoroethylene film (PTFE film) coiled material on a large-scale coating machine, and setting the temperature of an oven;
(4) after spraying, sintering at 70-90 ℃ to obtain the nano silver wire antibacterial layer.
Further, the modification method of the nano silver wire comprises the following steps: dissolving the nano silver wire and the organic silicon modifier in ethylene glycol to obtain a reaction stock solution, reacting for 2-3 hours at the temperature of 110-.
Furthermore, the mass fraction of the nano silver wires in the reaction stock solution is 0.01-0.05%, and the mass fraction of the organic silicon modifier is 1-2%.
Furthermore, the coating machine oven is composed of a plurality of sections of ovens, the temperature gradient of the plurality of sections of ovens rises, and coating is carried out after the temperature of the ovens is stable. For example, the coater is provided with 5 ovens, and the coating is performed after the ovens are stabilized at temperatures of 50 ℃, 70 ℃, 80 ℃, 100 ℃ and 120 ℃.
The modification method of the nano silver wire adopts the pneumatic spraying device, only 1001 needs to prepare the nano silver wire suspension and uniformly spray the suspension on the large-scale coating machine, does not need to modify equipment of the large-scale coating machine, and has the advantages of simple operation, low cost, easy installation, continuous production support and high stability.
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, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of a pneumatic spray apparatus of the present invention used with a large coating apparatus;
FIG. 2 is a view of the configuration of the telescoping flexure of FIG. 1;
FIG. 3 is a schematic view of the spray head of FIG. 1;
wherein the content of the first and second substances,
the device comprises a base 1, a main box body 2, a support column 3, an air filter 4, a spraying mechanism 5, an air inlet pipe 6, a material storage tank 7, a liquid medicine inlet pipe 8, a liquid quantity control valve 9, a gas quantity control valve 10, a booster pump 11, a lifting adjusting valve 12 and a pulley 13, wherein the base is fixed on the main box body;
51 a fixing member;
52 telescopic bending members, 52-1 sleeves, 52-2 round pipes, 52-3 telescopic springs, 52-4 rubber outer layers, 52-5 first flanges and 52-6 second flanges;
53 spraying heads, 53-1 connecting pieces, 53-2 spraying ports, 53-3 third flanges, 53-4 atomizing chambers and 53-5 mist outlet pipes.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to specific embodiments, and it should be understood 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
As shown in fig. 1, the pneumatic spraying device used with large-scale coating equipment comprises a base 1 and a main box body 2, wherein the main box body 2 is connected with the base 1 through a support column 3 which can move up and down,
an air filter 4 and a spraying mechanism 5 are respectively arranged at the two horizontal ends of the main box body 2, and an air inlet pipe 6 penetrates through the air filter 4, the main box body 2 and the spraying mechanism 5;
the base 1 is inside to be equipped with storage tank 7, storage tank 7 is equipped with liquid medicine feed pipe 8, the other end of liquid medicine feed pipe 8 with 2 intercommunications of main tank.
Further, the spraying mechanism 5 comprises a fixing member 51, a telescopic bending member 52 and a spraying head 53 which are connected in sequence, wherein the fixing member 51 is connected with the main box body 2.
Further, as shown in fig. 2, the telescopic bending member 52 comprises a telescopic sleeve 52-1 and a bendable round tube 52-2 fixedly connected with the sleeve, the liquid medicine inlet tube 8 passes through the sleeve 52-1 and the inside of the round tube 52-2, the air inlet tube 6 passes through the inside of the sleeve 52-1 and the outside of the round tube 52-2,
each tube layer of the sleeve 52-1 is provided with a telescopic spring 52-3, the outer surface of the round tube 52-2 is provided with an outer glue layer 52-4,
the sleeve 52-1 is provided with a first flange 52-5, and the circular tube 52-2 is provided with a second flange 52-6.
Furthermore, the included angle between the air inlet pipe 6 and the liquid medicine inlet pipe 8 is 30 degrees.
Further, as shown in fig. 3, the spray head 53 includes a connecting member 53-1 and a spray opening 53-2 connected to each other, the other end of the connecting member 53-1 is provided with a third flange 53-3, the spray head is provided with an atomizing chamber 53-4, the air inlet pipe 6 and the liquid medicine inlet pipe 8 enter the atomizing chamber 53-4, and the other end of the atomizing chamber 53-4 is provided with a mist outlet pipe 53-5 and extends to the surface of the spray opening 53-2.
Further, the second flange 52-6 is connected to the third flange 53-3, so that the telescopic bending member 52 and the spray head 53 are fixedly connected.
Further, the fixing member 51 is provided with a liquid amount control valve 9. The liquid amount control valve 9 is used for controlling the flow and pressure of the liquid medicine in the liquid medicine inlet pipe 8.
Further, the air inlet pipe 6 is provided with an air quantity control valve 10. The air quantity control valve 10 is used to control the flow rate and pressure of air in the air intake pipe 6.
Further, the liquid medicine inlet pipe 8 is provided with a booster pump 11, and the support column 2 is provided with a lifting adjusting valve 12. The booster pump 11 can pump the liquid medicine out of the material storage tank 7 and flow along the liquid medicine inlet pipe 8 until the liquid medicine enters the atomization chamber 53-4 for atomization. The lift regulating valve 12 can move the support column 3 up and down to regulate the position of the spray head 53 in the vertical direction.
Furthermore, the bottom of the base 1 is provided with a pulley 13 which is provided with a braking device, so that the pneumatic spraying device can move horizontally conveniently.
Example 2
A method of spraying a nano-silver wire using the pneumatic spraying apparatus of example 1, comprising the steps of:
(1) adding water into the modified nano silver wire according to the mass percentage: ethanol: 1-isopropyl alcohol: 5: 4, preparing a nano silver wire suspension with the mass fraction of 0.01%;
(2) placing the nano silver wire suspension at a material storage tank 7 of the pneumatic spraying device in the embodiment 1, adjusting the position of the pneumatic spraying device through a pulley 13 and a lifting adjusting valve 12, adjusting an air quantity control valve 10 and a liquid quantity control valve 9, and adjusting the position of a spraying opening 53-2;
(3) placing a polytetrafluoroethylene film (PTFE film) coiled material on a large-scale coating machine, and setting the temperature of an oven;
(4) after spraying, sintering at 80 ℃ to obtain the nano silver wire antibacterial layer.
Further, the modification method of the nano silver wire comprises the following steps: and dissolving the nano silver wire and the organic silicon modifier in ethylene glycol, reacting for 2 hours at 120 ℃ under the mechanical stirring of 300r/min to obtain a reaction solution, cleaning with acetone and drying to obtain the modified nano silver wire.
Further, the modification method of the nano silver wire comprises the following steps: dissolving a nano silver wire with the diameter of 8-12nm and the length of 30-40 mu m and an organic silicon modifier in ethylene glycol to obtain a reaction stock solution, wherein the mass fraction of the nano silver wire in the reaction stock solution is 0.01 percent, the mass fraction of the organic silicon modifier is 1 percent, reacting for 2 hours at the temperature of 120 ℃ and under the mechanical stirring of 300r/min to obtain a reaction solution, cleaning with acetone and drying with nitrogen to obtain the modified nano silver wire.
Further, the coater was equipped with 5 ovens, and the coating was performed after the temperatures of the ovens were set to 50 ℃, 70 ℃, 80 ℃, 100 ℃ and 120 ℃ in this order.
Example 3
A method of spraying a nano-silver wire using the pneumatic spraying apparatus of example 1, comprising the steps of:
(1) adding water into the modified nano silver wire according to the mass percentage: ethanol: 1-isopropyl alcohol: 5: 4, preparing a nano silver wire suspension with the mass fraction of 0.1%;
(2) placing the nano silver wire suspension at a material storage tank 7 of the pneumatic spraying device in the embodiment 1, adjusting the position of the pneumatic spraying device through a pulley 13 and a lifting adjusting valve 12, adjusting an air quantity control valve 10 and a liquid quantity control valve 9, and adjusting the position of a spraying opening 53-2;
(3) placing a polytetrafluoroethylene film (PTFE film) coiled material on a large-scale coating machine, and setting the temperature of an oven;
(4) after spraying, the nano silver wire antibacterial layer is obtained after sintering at 70 ℃.
Further, the modification method of the nano silver wire comprises the following steps: dissolving a nano silver wire with the diameter of 8-12nm and the length of 30-40 mu m and an organic silicon modifier in ethylene glycol to obtain a reaction stock solution, wherein the mass fraction of the nano silver wire in the reaction stock solution is 0.05 percent, the mass fraction of the organic silicon modifier is 1 percent, reacting for 2 hours at the temperature of 130 ℃ and under the mechanical stirring of 200r/min to obtain a reaction solution, cleaning with acetone and drying with nitrogen to obtain the modified nano silver wire.
Further, the coater was equipped with 5 ovens, and the coating was performed after the temperatures of the ovens were set to 50 ℃, 70 ℃, 80 ℃, 100 ℃ and 120 ℃ in this order.
Example 4
A method of spraying a nano-silver wire using the pneumatic spraying apparatus of example 1, comprising the steps of:
(1) adding water into the modified nano silver wire according to the mass percentage: ethanol: 1-isopropyl alcohol: 5: 4, preparing a nano silver wire suspension with the mass fraction of 0.01%;
(2) placing the nano silver wire suspension at a material storage tank 7 of the pneumatic spraying device in the embodiment 1, adjusting the position of the pneumatic spraying device through a pulley 13 and a lifting adjusting valve 12, adjusting an air quantity control valve 10 and a liquid quantity control valve 9, and adjusting the position of a spraying opening 53-2;
(3) placing a polytetrafluoroethylene film (PTFE film) coiled material on a large-scale coating machine, and setting the temperature of an oven;
(4) after spraying, sintering at 90 ℃ to obtain the nano silver wire antibacterial layer.
Further, the modification method of the nano silver wire comprises the following steps: dissolving a nano silver wire with the diameter of 8-12nm and the length of 30-40 mu m and an organic silicon modifier in ethylene glycol to obtain a reaction stock solution, wherein the mass fraction of the nano silver wire in the reaction stock solution is 0.05 percent, the mass fraction of the organic silicon modifier is 2 percent, reacting for 2 hours at 110 ℃ under the mechanical stirring of 400r/min to obtain a reaction solution, cleaning with acetone and drying with nitrogen to obtain the modified nano silver wire.
Further, the coater was equipped with 5 ovens, and the coating was performed after the temperatures of the ovens were set to 50 ℃, 70 ℃, 80 ℃, 100 ℃ and 120 ℃ in this order.
Claims (10)
1. A pneumatic spraying device matched with large-scale coating equipment for use is characterized by comprising a base and a main box body, wherein the main box body is connected with the base through a support column capable of moving up and down,
an air filter and a spraying mechanism are respectively arranged at the two horizontal ends of the main box body, and an air inlet pipe penetrates through the air filter, the main box body and the spraying mechanism;
the base is internally provided with a storage tank, the storage tank is provided with a liquid medicine liquid inlet pipe, and the other end of the liquid medicine liquid inlet pipe is communicated with the main tank body.
2. The pneumatic spraying device according to claim 1, wherein the spraying mechanism comprises a fixing member, a telescopic bending member and a spraying head which are connected in sequence, and the fixing member is connected with the main tank.
3. The pneumatic spraying device according to claim 2, wherein the telescopic bending member comprises a telescopic sleeve and a bendable round tube fixedly connected with the sleeve, the liquid medicine inlet tube passes through the inner parts of the sleeve and the round tube, the air inlet tube passes through the inner part of the sleeve and the outer part of the round tube,
each tube layer of the sleeve is provided with a telescopic spring, the outer surface of the circular tube is provided with a rubber outer layer,
the sleeve pipe is equipped with first flange, the pipe is equipped with the second flange.
4. The pneumatic spraying device of claim 2, wherein the spraying head comprises a connecting piece and a spraying opening which are connected with each other, the other end of the connecting piece is provided with a third flange, the spraying head is provided with an atomizing chamber, the air inlet pipe and the liquid medicine inlet pipe enter the atomizing chamber, and the other end of the atomizing chamber is provided with a mist outlet pipe and extends to the surface of the spraying opening.
5. The pneumatic spraying device according to claim 2, wherein the fixing member is provided with a control liquid amount control valve.
6. The pneumatic spraying device of claim 1, wherein the air inlet pipe is provided with an air amount control valve.
7. The pneumatic spraying device of claim 1, wherein the liquid medicine inlet pipe is provided with a booster pump, and the supporting column is provided with a lifting adjusting valve.
8. The pneumatic painting apparatus of claim 1, wherein a pulley is provided at a bottom of the base.
9. A method of spraying a nano silver wire using the pneumatic spraying apparatus according to any one of claims 1 to 8, comprising the steps of:
(1) adding water into the modified nano silver wire according to the mass percentage: ethanol: 1-isopropyl alcohol: 5: 4, preparing a nano silver wire suspension with the mass fraction of 0.01-0.1%;
(2) placing the nano silver wire suspension at a material storage tank of a pneumatic spraying device, adjusting the position of the pneumatic spraying device through a pulley and a lifting adjusting valve, adjusting an air quantity control valve and a liquid quantity control valve, and adjusting the position of a spraying opening;
(3) placing a polytetrafluoroethylene film (PTFE film) coiled material on a large-scale coating machine, and setting the temperature of an oven;
(4) after spraying, sintering at 70-90 ℃ to obtain the nano silver wire antibacterial layer.
10. The spraying method according to claim 9, wherein the modification method of the nano silver wire is: dissolving the nano silver wire and the organic silicon modifier in ethylene glycol to obtain a reaction stock solution, reacting for 2-3 hours at the temperature of 110-.
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| CN202110065026.4A CN112892900B (en) | 2021-01-18 | 2021-01-18 | Pneumatic spraying device matched with large-scale coating equipment and spraying method of nano silver wire |
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| CN104907223A (en) * | 2015-05-25 | 2015-09-16 | 苏州建鑫建设集团有限公司 | Paint spraying device |
| CN105618290A (en) * | 2016-03-16 | 2016-06-01 | 湖北荷普药业股份有限公司 | Atomizer |
| CN106076707A (en) * | 2016-07-25 | 2016-11-09 | 柳州合科技有限公司 | A kind of paint sprayer tool equipment |
| CN109015103A (en) * | 2018-08-21 | 2018-12-18 | 东莞理工学院 | A kind of cutting fluid high-pressure atomizing device |
| CN211964643U (en) * | 2020-03-11 | 2020-11-20 | 随州三特环保科技有限公司 | Fog making device of viscous liquid fog making machine |
| CN111440346A (en) * | 2020-03-12 | 2020-07-24 | 深圳市华科创智技术有限公司 | Nano-silver wire antibacterial layer and nano-silver wire anti-mask |
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