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A kind of self-cleaning coating and spraying method thereof for electrostatic precipitating electric board

An electrostatic dust removal and electric plate technology, which is applied in conductive coatings, anti-fouling/underwater coatings, coatings, etc., can solve the need for regular cleaning, the electrode plate is easily adhered by grease particles, and the mixed pollution of oil fume particles and cleaning fluids, etc. problem, to achieve the effect of water saving and sewage discharge, good electrical conductivity and self-cleaning function, excellent oil resistance and adhesion performance

Active Publication Date: 2021-06-01
青岛东方雨虹建筑材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the problem that the electrode plate of the existing industrial asphalt oil fume dedusting equipment is easily adhered by grease particles, so that regular cleaning is required; and because the cleaning liquid is used for cleaning, the collected oil fume particles will be mixed and polluted by the cleaning liquid. It cannot be added back to the asphalt for utilization, resulting in the discharge and disposal of secondary pollutants

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Embodiment 1: Preparation of a self-cleaning coating for electrostatic precipitator panels

[0035] Based on the total weight of the self-cleaning coating for electrostatic precipitating panels, the self-cleaning coating for electrostatic precipitating panels includes the following components:

[0036] 15wt% of JONCRYL538 acrylic emulsion produced by BASF China Co., Ltd., 40wt% of Wacker SAF9001 emulsion produced by Wacker Chemical (China) Co., Ltd., 10wt% of 2000 mesh silver powder, 15wt% of graphite powder, 15wt% of propylene glycol, and 0.5% silicone defoamer wt%, water 4.5 wt%.

[0037] The obtained paint is sprayed on the electrostatic precipitator panel in the above-mentioned manner, and the key performance test values ​​are as follows:

[0038] The coating resistance is less than 400 ohms; the elastic modulus is greater than 120GPa; the Brinell hardness is greater than 80HB; the ultrasonic cleaning machine test 7d has no peeling and peeling;

Embodiment 2

[0039] Embodiment 2: Preparation of a self-cleaning coating for electrostatic precipitating panels

[0040] Based on the total weight of the self-cleaning coating for electrostatic precipitating panels, the self-cleaning coating for electrostatic precipitating panels includes the following components:

[0041]25wt% of JONCRYL538 acrylic emulsion produced by BASF China Co., Ltd., 29.5wt% of Wacker SAF9001 emulsion produced by Wacker Chemical (China) Co., Ltd., 15wt% of 2000 mesh silver powder, 10wt% of graphite powder, 20wt% of propylene glycol, silicone defoamer 0.5 wt%.

[0042] The obtained paint is sprayed on the electrostatic precipitator panel in the above-mentioned manner, and the key performance test values ​​are as follows:

[0043] The coating resistance is less than 400 ohms; the elastic modulus is greater than 150GPa; the Brinell hardness is greater than 100HB; the ultrasonic cleaning machine test has no peeling and peeling for 7 days;

Embodiment 3

[0044] Embodiment 3: Preparation of a self-cleaning coating for electrostatic precipitating panels

[0045] Based on the total weight of the self-cleaning coating for electrostatic precipitating panels, the self-cleaning coating for electrostatic precipitating panels includes the following components:

[0046] 10wt% of JONCRYL538 acrylic emulsion produced by BASF China Co., Ltd., 45wt% of Wacker SAF9001 emulsion produced by Wacker Chemical (China) Co., Ltd., 20wt% of 2000 mesh silver powder, 5wt% of graphite powder, 19.5wt% of propylene glycol, silicone defoamer 0.5 wt%.

[0047] The obtained paint is sprayed on the electrostatic precipitator panel in the above-mentioned manner, and the key performance test values ​​are as follows:

[0048] The coating resistance is less than 200 ohms; the elastic modulus is greater than 100GPa; the Brinell hardness is greater than 80HB; the ultrasonic cleaning machine test has no peeling and peeling for 7 days;

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Abstract

The invention discloses a self-cleaning paint for an electrostatic precipitator and a spraying method thereof. Based on the total weight of the self-cleaning coating for electrostatic precipitating panels, the self-cleaning coating for electrostatic precipitating panels includes the following components: 10-25wt% acrylic emulsion, 15-45wt% silicone hybrid emulsion, 10-20wt% silver powder , graphite powder 5-15wt%, co-solvent 15-20wt%, defoamer 0.1-0.5wt%, water 0-4.5wt%. Through the innovation and use of materials, the present invention realizes the collection of pure soot particles without consumables or cleaning. Because the soot particles themselves belong to the substances volatilized in asphalt affected by temperature, they can be used again to produce asphalt products after collection, realizing environmental protection collection secondary use.

Description

technical field [0001] The invention belongs to the field of supporting materials for oil fume and dust removal equipment in the asphalt industry, and more specifically relates to a self-cleaning coating for electrostatic dust removal electric panels and a spraying method thereof. Background technique [0002] In the tail gas collected by the asphalt industry, there are a large number of low and medium molecular weight organic viscous particles. Generally, after the asphalt tail gas dust removal equipment adopts electrostatic dust removal, its electrode plate will be covered by the oily particles in the tail gas, and it needs to be used every 1-2 days. The cleaning liquid is used for cleaning, so that the recovered tail gas solids cannot be directly used in production due to the mixing of the cleaning liquid, and new waste liquids are discharged, and there is a problem of secondary sewage discharge. The current dust removal and environmental protection equipment is all in th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D133/00C09D5/16C09D5/24C09D7/61
CPCC08K2003/0806C08K2201/001C08L2205/03C09D5/1675C09D5/1687C09D5/24C09D133/00C08L83/04C08K3/08C08K3/04
Inventor 沈恒贾建军
Owner 青岛东方雨虹建筑材料有限公司
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