CN112892900B - Pneumatic spraying device matched with large-scale coating equipment and spraying method of nano silver wire - Google Patents
Pneumatic spraying device matched with large-scale coating equipment and spraying method of nano silver wire Download PDFInfo
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- CN112892900B CN112892900B CN202110065026.4A CN202110065026A CN112892900B CN 112892900 B CN112892900 B CN 112892900B CN 202110065026 A CN202110065026 A CN 202110065026A CN 112892900 B CN112892900 B CN 112892900B
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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
Abstract
The invention relates to the field of film spraying, in particular to a pneumatic spraying device matched with large-scale coating equipment and a spraying method of nano silver wires. The pneumatic spraying device comprises a base and a main box body, wherein the main box body is connected with the base through a supporting column capable of moving up and down, an air filter and a spraying mechanism are respectively arranged at the horizontal two 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 inside to be equipped with the storage tank, the storage tank is equipped with liquid medicine feed liquor pipe, the other end of liquid medicine feed liquor pipe with main tank intercommunication. The pneumatic spraying device matched with large-scale coating equipment is simple in structure, low in cost and easy to install; continuous production can be supported, and the stability is high; different types of coating equipment can be supported; can support coating different substrates; can support the application of different medicinal liquids.
Description
Technical Field
The invention relates to the field of film spraying, in particular to a pneumatic spraying device matched with large-scale coating equipment and a spraying method of nano silver wires.
Background
The large-scale coating machine has the characteristics of stability, continuity, high production efficiency and the like in the process of coating the film material, but can only coat the liquid medicine of a single homogeneous system at a time, and the large-scale coating equipment catches the front part to meet the elbow under the situation that two liquid medicines of different phases even different species need to be synchronously matched for use; the large-scale coating equipment is high in reconstruction cost and can influence the service life of the equipment.
Disclosure of Invention
In order to solve the problems, the invention provides a pneumatic spraying device matched with large-scale coating equipment, which comprises the following specific technical scheme:
the 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,
the air inlet pipe penetrates through the air filter, the main box body and the spraying mechanism;
the base is inside to be equipped with the storage tank, the storage tank is equipped with liquid medicine feed liquor pipe, the other end of liquid medicine feed liquor pipe with main tank intercommunication.
Further, the spraying mechanism comprises a fixing member, a telescopic bending member and a spraying head which are sequentially connected, and the fixing member is connected with the main box body.
Further, the telescopic bending member comprises a telescopic sleeve and a bendable circular tube fixedly connected with the sleeve, the liquid medicine inlet tube passes through the sleeve and the inside of the circular tube, the air inlet tube passes through the sleeve and the outside of the circular tube,
each tube layer of the sleeve is provided with a telescopic spring, the outer surface of the round tube is provided with a rubber outer layer,
the sleeve is provided with a first flange, and the circular tube is provided with a second flange.
Further, the spraying head comprises a connecting piece and a spraying opening which are connected with each other, a third flange is arranged at the other end of the connecting piece, an atomization cavity is formed in the spraying head, an air inlet pipe and a liquid medicine inlet pipe enter the atomization cavity, and a mist outlet pipe is arranged at the other end of the atomization cavity and extends to the surface of the spraying opening.
Further, the second flange is connected with the third flange, so that the telescopic bending member is fixedly connected with the spraying head.
Further, 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 amount control valve is used for controlling the flow and pressure of the liquid medicine in the liquid medicine inlet pipe.
Further, the air inlet pipe is provided with an air quantity control valve. The air flow 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 regulating valve. The booster pump can pump the liquid medicine from the storage tank and flow along the liquid medicine feed pipe until entering the atomizing cavity for atomization. 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.
Further, the pulley is arranged at the bottom of the base, and the brake device is arranged on the pulley, so that the horizontal position of the pneumatic spraying device can be conveniently moved.
The atomization mode of the pneumatic spraying device matched with large-scale coating equipment is as follows: 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 subject to unstable fluctuation generated by gas disturbance, and on the interface of liquid-gas two phases, the liquid is broken into liquid drops so as to be atomized; atomization is affected by nozzle structure, liquid and gas flow rates, gas density, surface tension of the liquid, viscosity and density;
the pneumatic spraying device matched with the large-scale coating equipment controls the atomization effect by controlling the air inflow of air, the liquid inflow of liquid medicine, the liquid inflow 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 is simple in structure, low in cost and easy to install; continuous production can be supported, and the stability is high; different types of coating equipment can be supported; can support coating different substrates; can support the application of different medicinal liquids. The pneumatic spraying device matched with the large-scale coating equipment optimizes 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: isopropanol=1: 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 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 flow control valve and a liquid flow 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 organosilicon modifier in glycol to obtain a reaction stock solution, reacting for 2-3 hours at 110-130 ℃ under mechanical stirring of 200-400r/min to obtain a reaction solution, washing with acetone, and drying to obtain the modified nano silver wire.
Further, the mass fraction of the nano silver wire in the reaction stock solution is 0.01-0.05%, and the mass fraction of the organosilicon modifier is 1-2%.
Further, the coater oven is composed of a plurality of sections of ovens, the temperature gradient of the sections of ovens rises, and coating is performed after the temperature of the ovens is stable. For example, the coater is provided with 5 ovens, and the temperature is set to 50 ℃, 70 ℃, 80 ℃, 100 ℃, 120 ℃ in order, and the like, and the coating is performed after the oven temperature is stable.
The modification method of the nano silver wire adopts the pneumatic spraying device, only 1001 is needed to prepare nano silver wire suspension and uniformly spray the nano silver wire suspension on a large-scale coating machine, equipment modification on the large-scale coating machine is not needed, the operation is simple, the cost is low, the installation is easy, continuous production can be supported, and the stability is high.
Drawings
For a clearer description of embodiments of the invention or of solutions in the prior art, the drawings which are used in the description of the embodiments or of the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained from them without inventive effort for a person skilled in the art.
FIG. 1 is a block diagram of a pneumatic spray device of the present invention for use with a large coating apparatus;
FIG. 2 is a block diagram of the telescoping curved member of FIG. 1;
FIG. 3 is a block diagram of the spray head of FIG. 1;
wherein, the liquid crystal display device comprises a liquid crystal display device,
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 storage tank 7, a liquid medicine inlet pipe 8, a liquid amount control valve 9, a gas amount control valve 10, a booster pump 11, a lifting regulating valve 12 and a pulley 13;
51 a fixing member;
the flexible bending member 52, the sleeve 52-1, the round tube 52-2, the flexible spring 52-3, the rubber outer layer 52-4, the first flange 52-5 and the second flange 52-6;
the spray head 53, the connecting piece 53-1, the spray opening 53-2, the third flange 53-3, the atomizing chamber 53-4 and the mist outlet pipe 53-5.
Detailed Description
The technical solutions of the present invention will be clearly and completely described below in conjunction with specific embodiments, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to fall within the scope of the invention.
Example 1
As shown in fig. 1, a pneumatic spraying device matched 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 capable of moving up and down,
the two horizontal ends of the main box body 2 are respectively provided with an air filter 4 and a spraying mechanism 5, 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 internally provided with a storage tank 7, the storage tank 7 is provided with a liquid medicine liquid inlet pipe 8, and the other end of the liquid medicine liquid inlet pipe 8 is communicated with the main box body 2.
Further, the spraying mechanism 5 includes a fixing member 51, a telescopic bending member 52, and a spraying head 53 connected in this order, and the fixing member 51 is connected to the main casing 2.
Further, as shown in FIG. 2, the telescopic bending member 52 comprises a telescopic sleeve 52-1 and a bendable circular 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 circular tube 52-2, the air inlet tube 6 passes through the sleeve 52-1 and the outside of the circular 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 a glue outer layer 52-4,
the sleeve 52-1 is provided with a first flange 52-5 and the tubular 52-2 is provided with a second flange 52-6.
Further, 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 piece 53-1 and a spray opening 53-2, the other end of the connecting piece 53-1 is provided with a third flange 53-3, the spray head is provided with an atomization chamber 53-4, the air inlet pipe 6 and the liquid medicine inlet pipe 8 enter the atomization chamber 53-4, and the other end of the atomization 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 such that the telescopic curved 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 rate 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 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 pumps the liquid medicine from the storage tank 7 and flows along the liquid medicine inlet pipe 8 until entering the atomizing chamber 53-4 for atomization. The elevation adjustment valve 12 can move the support column 3 up and down, thereby adjusting the position of the spray head 53 in the vertical direction.
Further, the pulley 13 is arranged at the bottom of the base 1, and the pulley is provided with a braking device, so that the horizontal position of the pneumatic spraying device can be conveniently moved.
Example 2
A method of spraying silver nanowires 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: isopropanol=1: 5:4, preparing a nano silver wire suspension with the mass fraction of 0.01%;
(2) The nano silver wire suspension is placed at a storage tank 7 of the pneumatic spraying device in the embodiment 1, the position of the pneumatic spraying device is adjusted through a pulley 13 and a lifting adjusting valve 12, an air flow control valve 10 and an liquid flow control valve 9 are adjusted, and the position of a spraying opening 53-2 is adjusted;
(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 (3) dissolving the nano silver wire and the organosilicon modifier in ethylene glycol, reacting for 2 hours at 120 ℃ under the mechanical stirring of 300r/min to obtain a reaction solution, washing 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 nano silver wires with the diameter of 8-12nm and the length of 30-40 mu m and an organosilicon modifier in ethylene glycol to obtain a reaction stock solution, wherein the mass fraction of the nano silver wires in the reaction stock solution is 0.01%, the mass fraction of the organosilicon modifier is 1%, reacting for 2 hours under the mechanical stirring at 120 ℃ and 300r/min to obtain a reaction solution, and cleaning with acetone and drying with nitrogen to obtain the modified nano silver wires.
Further, the coater was equipped with 5 ovens, and the temperature was set to 50℃and 70℃and 80℃and 100℃and 120℃in this order, and the temperature of the ovens was stabilized before coating.
Example 3
A method of spraying silver nanowires 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: isopropanol=1: 5:4, preparing a nano silver wire suspension with the mass fraction of 0.1%;
(2) The nano silver wire suspension is placed at a storage tank 7 of the pneumatic spraying device in the embodiment 1, the position of the pneumatic spraying device is adjusted through a pulley 13 and a lifting adjusting valve 12, an air flow control valve 10 and an liquid flow control valve 9 are adjusted, and the position of a spraying opening 53-2 is adjusted;
(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 ℃ to obtain the nano silver wire antibacterial layer.
Further, the modification method of the nano silver wire comprises the following steps: dissolving nano silver wires with the diameter of 8-12nm and the length of 30-40 mu m and an organosilicon modifier in ethylene glycol to obtain a reaction stock solution, wherein the mass fraction of the nano silver wires in the reaction stock solution is 0.05%, the mass fraction of the organosilicon modifier is 1%, reacting for 2 hours under the mechanical stirring of 200r/min at 130 ℃ to obtain a reaction solution, and cleaning with acetone and drying with nitrogen to obtain the modified nano silver wires.
Further, the coater was equipped with 5 ovens, and the temperature was set to 50℃and 70℃and 80℃and 100℃and 120℃in this order, and the temperature of the ovens was stabilized before coating.
Example 4
A method of spraying silver nanowires 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: isopropanol=1: 5:4, preparing a nano silver wire suspension with the mass fraction of 0.01%;
(2) The nano silver wire suspension is placed at a storage tank 7 of the pneumatic spraying device in the embodiment 1, the position of the pneumatic spraying device is adjusted through a pulley 13 and a lifting adjusting valve 12, an air flow control valve 10 and an liquid flow control valve 9 are adjusted, and the position of a spraying opening 53-2 is adjusted;
(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 nano silver wires with the diameter of 8-12nm and the length of 30-40 mu m and an organosilicon modifier in ethylene glycol to obtain a reaction stock solution, wherein the mass fraction of the nano silver wires in the reaction stock solution is 0.05%, the mass fraction of the organosilicon modifier is 2%, reacting for 2 hours under the mechanical stirring at 110 ℃ and 400r/min to obtain a reaction solution, and cleaning with acetone and drying with nitrogen to obtain the modified nano silver wires.
Further, the coater was equipped with 5 ovens, and the temperature was set to 50℃and 70℃and 80℃and 100℃and 120℃in this order, and the temperature of the ovens was stabilized before coating.
Claims (7)
1. A pneumatic spraying device matched with large-scale coating equipment 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,
the air inlet pipe penetrates through the air filter, the main box body and the spraying mechanism;
a liquid storage tank is arranged in the base, a liquid medicine inlet pipe is arranged in the liquid storage tank, and the other end of the liquid medicine inlet pipe is communicated with the main box body;
the spraying mechanism is characterized by comprising a fixing member, a telescopic bending member and a spraying head which are sequentially connected, wherein the fixing member is connected with the main box body;
the telescopic bending component comprises a telescopic sleeve and a bendable circular tube fixedly connected with the sleeve, the liquid medicine inlet tube passes through the sleeve and the inside of the circular tube, and the air inlet tube passes through the sleeve and the outside of the circular tube;
the included angle between the air inlet pipe and the liquid medicine inlet pipe is 28-35 degrees;
each tube layer of the sleeve is provided with a telescopic spring, the outer surface of the round tube is provided with a rubber outer layer,
the sleeve is provided with a first flange, and the circular tube is provided with a second flange;
the spraying head comprises a connecting piece and a spraying opening which are connected with each other, a third flange is arranged at the other end of the connecting piece, an atomization cavity is formed in the spraying head, an air inlet pipe and a liquid medicine inlet pipe enter the atomization cavity, and a mist outlet pipe is arranged at the other end of the atomization cavity and extends to the surface of the spraying opening.
2. A pneumatic spraying device according to claim 1, wherein the fixed member is provided with a control fluid amount control valve.
3. A pneumatic spraying device according to claim 1, characterised in that the air inlet pipe is provided with a gas flow control valve.
4. A pneumatic spraying device according to claim 1, wherein the liquid medicine inlet pipe is provided with a booster pump, and the support column is provided with a lifting adjusting valve.
5. A pneumatic spraying device according to claim 1, wherein the base bottom is provided with pulleys.
6. A method of spraying nano silver wire using the pneumatic spraying apparatus according to any one of claims 1 to 5, comprising the steps of:
(1) Adding water into the modified nano silver wire according to the mass percentage: ethanol: isopropanol=1: 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 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 flow control valve and a liquid flow 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.
7. The spraying method according to claim 6, wherein the modification method of the nano silver wire comprises: dissolving the nano silver wire and the organosilicon modifier in glycol to obtain a reaction stock solution, reacting for 2-3 hours at 110-130 ℃ under mechanical stirring of 200-400r/min to obtain a reaction solution, washing with acetone, and drying to obtain the modified nano silver wire.
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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 |
| CN106076707A (en) * | 2016-07-25 | 2016-11-09 | 柳州合科技有限公司 | A kind of paint sprayer tool equipment |
| 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 |
| CN111440346B (en) * | 2020-03-12 | 2023-08-01 | 深圳市华科创智技术有限公司 | Antibacterial layer of nano silver wire and antibacterial mask of nano silver wire |
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|---|---|---|---|---|
| CA2784109A1 (en) * | 2012-07-27 | 2014-01-27 | Nex Flow Air Products Corp. | Apparatus and method for cooling and lubrication |
| CN105618290A (en) * | 2016-03-16 | 2016-06-01 | 湖北荷普药业股份有限公司 | Atomizer |
| CN109015103A (en) * | 2018-08-21 | 2018-12-18 | 东莞理工学院 | A kind of cutting fluid high-pressure atomizing device |
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