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Flue gas purified anticorrosive conductive coating

An anti-corrosion conductive and flue gas purification technology, applied in anti-corrosion coatings, conductive coatings, coatings, etc., can solve the problems of reducing anti-corrosion costs, corrosion protection of flue gas purification equipment, etc. Affected, Stripped Beneficial Effects

Active Publication Date: 2008-03-12
ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID SHANDONG ELECTRIC POWER COMPANY +1
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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 provide a low-cost, easy-to-manufacture and use anti-corrosion conductive coating that not only meets the anti-corrosion requirements of the corrosive environment of the aforementioned flue gas purification equipment, but also meets the conductivity requirements of corona discharge, so as to solve the problem of corona discharge smoke. Corrosion protection of gas purification equipment to reduce corrosion costs

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment example 1

[0027] Implementation case 1, bisphenol A type vinyl ester resin conductive coating is composed as follows:

[0028] Bisphenol A type vinyl ester resin 100 parts

[0029] Graphite 22 parts

[0030] Carbon black 8 parts

[0031] 2 parts methyl ethyl ketone peroxide

[0032] 1.5 parts of cobalt naphthenate solution

[0033] Styrene 5 parts

[0034] 3 parts simethicone

[0035] The temperature resistance of the paint is 90°C, and the specific resistance is 10 4 Ω·cm, the coating adhesion is grade 1, the flexibility is 1-2mm, the impact resistance is 45cm, and the corrosion resistance is 5% hot acid-base solution at 60°C. Surface dry time < 4h, hard dry time ≤ 20h.

Embodiment example 2

[0036] Implementation case 2, the composition of phenolic vinyl ester resin conductive coating is as follows:

[0037] 100 parts of phenolic vinyl ester resin

[0038] graphite 15 parts

[0039] 3 parts methyl ethyl ketone peroxide

[0040] Cobalt isooctanoate solution 2 parts

[0041] Vapor SiO 2 1.5 servings

[0042] 1 part simethicone

[0043] Red Dan 3 servings

[0044] The coating has a temperature resistance of 160°C and a specific resistance of 10 6 Ω·cm, the coating adhesion is grade 1, the flexibility is 1mm, the impact resistance is not less than 45cm, and the corrosion resistance is 5% hot acid and alkali solution at 80°C. Surface dry time ≤ 3h, hard dry time ≤ 18h.

Embodiment example 3

[0045] Implementation case 3, the composition of the modified vinyl ester resin HCGP-1 conductive coating is as follows:

[0046] Modified vinyl ester resin HCGP-1 100 parts

[0047] Graphite 35 parts

[0048] Carbon black 10 parts

[0049] Cyclohexanone peroxide paste 5 parts

[0050] 4 parts cobalt isooctanoate

[0051] 0.5 parts of simethicone

[0052] The coating has a temperature resistance of 200°C and a specific resistance of 10 2 Ω·cm, the coating adhesion is grade 1~2; the flexibility is 1~2mm; the impact resistance is 50cm. Corrosion resistance to 5% hot acid and alkali solution at 80°C. Surface dry time ≤ 1.5h, hard dry time ≤ 14h.

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Abstract

The invention relates to an antisepsis conductive coating combination that contains vinyl ester resin 100 portions, conductive particle 5-70 portions, peroxide curing agent 1-10 portions, accelerant 0.5-10 portions, and styrene 0-20 portions. It has low cost for antisepsis and is easy to construct.

Description

technical field [0001] The invention relates to an anti-corrosion conductive coating composition, which is particularly suitable for anti-corrosion conductive coatings for corrosion protection of corona discharge type flue gas purification equipment. Background technique [0002] With the rapid development of the economy, environmental problems have become increasingly prominent, the types of environmental pollutants controlled have been increasing, and the emission standards have been continuously improved. Flue gas purification equipment such as ultra-low temperature electrostatic precipitator and wet electrostatic precipitator, flue gas desulfurization, and denitrification have been or will soon be popularized and applied in thermal power plants. Since the flue gas contains H 2 O, O 2 , SO 2 , NOx, HCl and other components, when the flue gas purification process reduces the temperature of the flue gas below its dew point, the flue gas will condense on the surface of th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D151/08C09D5/08C09D5/24B01D53/00
Inventor 姜雨泽沈竞为史向东周少玲
Owner ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID SHANDONG ELECTRIC POWER COMPANY
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