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Programmed type electrostatic spraying device

An electrostatic spraying and program-controlled technology, which is applied in the direction of electrostatic spraying devices, spraying devices, liquid spraying equipment, etc., can solve problems such as technology and functions that cannot be realized, and achieve the effects of improving utilization, stabilizing slurry flow control, and saving consumption

Active Publication Date: 2015-12-23
NANJING UNIV +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The invention relates to a program-controlled electrostatic spraying device, which aims to solve the technical and functional problems that cannot be realized by the above traditional electrostatic spraying device

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] The nanoscale platinum-carbon catalyst slurry is sprayed on the surface of the proton exchange membrane by using the invention, and is used for preparing the catalyst layer in the membrane electrode of the fuel cell. The specific usage steps are:

[0041] 1. Spread the proton exchange membrane on the center of the vacuum adsorption platform, set the temperature of the vacuum adsorption platform to 70~100°C, after the proton exchange membrane shrinks by heat, start the external vacuum pump to adsorb and fix the proton exchange membrane.

[0042]2. Use a disposable plastic syringe to draw a certain volume of catalyst slurry, clamp it into the syringe pump in the slurry delivery system, connect the polytetrafluoroethylene tube and start the syringe pump to push the catalyst slurry into the stainless steel needle at the front of the nozzle.

[0043] 3. Connect the program-controlled electrostatic spraying device to the computer with a USB cable and run the scanning spray...

Embodiment 2

[0048] The nanoscale platinum-carbon catalyst slurry is sprayed on the surface of the gas diffusion layer by using the invention, and is used for preparing the catalytic layer in the membrane electrode of the fuel cell. The specific usage steps are:

[0049] 1. Spread the proton exchange membrane on the center of the vacuum adsorption platform, set the temperature of the vacuum adsorption platform to 70-100°C, and then start the external vacuum pump to adsorb and fix the gas diffusion layer.

[0050] 2. Draw a certain volume of catalyst slurry with a disposable plastic syringe, clamp the syringe to the syringe pump in the slurry delivery system, connect the PTFE tube and start the syringe pump, and push the catalyst slurry to the stainless steel needle at the front of the nozzle middle.

[0051] 3. Connect the program-controlled electrostatic spraying device to the computer with a USB cable and run the scanning spraying program directly, or use an SD card with a running tr...

Embodiment 3

[0056] The nano-scale carbon black particle slurry is sprayed on the surface of the carbon fiber material by using the invention to prepare the gas diffusion layer of the fuel cell. The specific usage steps are:

[0057] 1. Spread the carbon fiber material in the middle of the vacuum adsorption platform, set the temperature of the vacuum adsorption platform to 70~100°C, and then start the external vacuum pump to adsorb and fix the carbon fiber.

[0058] 2. Use a disposable plastic syringe to draw a certain volume of carbon black slurry, clamp the syringe to the injection pump in the slurry delivery system, connect the PTFE tube and start the injection pump to push the carbon black slurry to the front end of the nozzle. In the stainless steel needle.

[0059] 3. Connect the program-controlled electrostatic spraying device to the computer with a USB cable and run the scanning spraying program directly, or use an SD card with a running track program and insert it into the SD ...

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Abstract

The invention provides a programmed type electrostatic spraying device. The programmed type electrostatic spraying device comprises a box, a control mainboard and a switching power supply. The programmed type electrostatic spraying device is characterized in that the programmed type electrostatic spraying device further comprises a high-voltage electrostatic spraying nozzle module, a spraying nozzle movement support, a slurry conveying system, an automatic lifting platform and an air connector; the box comprises a box chamber A and a box chamber B; the control mainboard, the switching power supply, the high-voltage electrostatic spraying nozzle module, the spraying nozzle movement support, the automatic lifting platform and the air connector are arranged in the box chamber A; the slurry conveying system is arranged in the box chamber B; the high-voltage electrostatic spraying nozzle module is arranged on the spraying nozzle movement support; the automatic lifting platform is arranged below the high-voltage electrostatic spraying nozzle module; the slurry conveying system is connected with the high-voltage electrostatic spraying nozzle module through a polytetrafluoroethylene tube; the air connector is arranged on the side wall of the box chamber A and connected with the automatic lifting platform through a hose. The programmed type electrostatic spraying device can remarkably increase the utilization rate of sprayed slurry and reduce the usage quantity of expensive slurry.

Description

technical field [0001] The invention relates to a program-controlled electrostatic spraying device, which belongs to the electrostatic spraying device and is mainly used for the preparation of coatings requiring high spraying quality such as flat thin-layer electrodes. Background technique [0002] Electrostatic spraying technology is a method of spraying using a high-voltage electrostatic field. The specific method is that the tip of the nozzle and the collecting end are respectively charged with different charges, and a high-voltage electrostatic field is formed; then the charged slurry is transported to the tip of the nozzle, and due to the action of the high-voltage electric field, the slurry is atomized and sprayed to the collected end. Spray the surface of the object. Relying on the traction of the electric field force, the electrostatic spraying method can realize the spraying of the concave surface or dead angle of the object. [0003] The traditional electrostatic...

Claims

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Application Information

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IPC IPC(8): B05B5/08
CPCB05B5/08B05B5/082
Inventor 黄林刘建国林法强陈芳贺丹丹邹志刚
Owner NANJING UNIV
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