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Anti-corrosion conductive coating for electric power grounding grid

A conductive coating and grounding grid technology, applied in conductive coatings, epoxy resin coatings, coatings, etc., can solve the threat to the safe and reliable operation of the power system, endanger the safe operation of ground devices, and reduce the leakage capacity of the grounding grid. It is suitable for large-scale promotion, eliminates operational risks, and has the effect of reasonable formula

Inactive Publication Date: 2015-11-25
STATE GRID TIANJIN ELECTRIC POWER +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the soil corrosivity is different in different places, and it will cause different degrees of corrosion to the grounding point. Due to the corrosion of the soil to the grounding grid, it poses a great threat to the safe and reliable operation of the power system.
The grounding electrode is continuously damaged due to electrochemical corrosion in the soil. In severely corrosive soil, the grounding electrode will be corroded within a few years. After the grounding grid is corroded, corrosion products will be formed on its surface. The conductivity of the grounding grid, if the grounding grid is broken due to corrosion, the leakage capacity of the entire grounding grid will be reduced, thus endangering the safe operation of the ground device
Cause major accidents and economic losses

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0029] Adhesive: 10 parts

[0030] High-efficiency conductive coating type I: 30 parts

[0031] Solvent: 20 parts

[0032] Additive type I: 40 parts,

[0033] Wherein, the mass fractions of each component of the adhesive in the total mass of the adhesive are: 6101 epoxy resin: 60 parts, acetone: 5 parts, ethylenediamine: 5 parts;

[0034] Among them, the mass parts of each component of the high-efficiency conductive coating type I in the total mass of the high-efficiency conductive coating type I are: dibutyl phthalate: 15 parts, organic bentonite: 15 parts, silane coupling agent KH-560: 25 parts parts, carbon fiber: 55 parts;

[0035] Wherein, the mass fractions of each component of the solvent in the total mass of the solvent are: T31 curing agent: 70 parts, ethylene glycol: 15 parts;

[0036] Among them, the mass parts of each component of additive type I in the total mass of additive type I are: silver powder: 70 parts, indium powder: 25 parts, iron powder: 25 parts. ...

example 2

[0039] A kind of corrosion-resistant conductive coating for electric grounding grid, the coating comprises the following components in parts by mass:

[0040] Adhesive: 35 parts

[0041] High-efficiency conductive coating type I: 15 parts

[0042] Solvent: 30 parts

[0043] Additive type I: 20 parts,

[0044] Wherein, the mass fractions of each component of the adhesive in the total mass of the adhesive are: 6101 epoxy resin: 85 parts, acetone: 10 parts, ethylenediamine: 10 parts;

[0045] Among them, the mass parts of each component of the high-efficiency conductive coating type I in the total mass of the high-efficiency conductive coating type I are: dibutyl phthalate: 10 parts, organic bentonite: 10 parts, silane coupling agent KH-560: 20 parts, carbon fiber: 50 parts;

[0046] Wherein, the mass fractions of each component of the solvent in the total mass of the solvent are: T31 curing agent: 85 parts, ethylene glycol: 30 parts;

[0047] Among them, the mass parts of e...

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Abstract

The invention relates to an anti-corrosion conductive coating for an electric power grounding grid. The coating comprises, by mass, 10-35 parts of binding agents, 15-30 parts of I type efficient conductive coatings, 20-30 parts of solvent and 20-40 parts of I type additives. The conductive coating can solve the corrosion problem of grounding materials and can not influence the conductivity of the grounding materials, and running risks caused by grounding grid corrosion are eliminated. The anti-corrosion conductive coating is reasonable in formula, simple in preparation process and suitable for large-area popularization, and all components of the formula are easy to obtain and low in cost.

Description

technical field [0001] The invention belongs to the technical field of conductive coatings, in particular to a corrosion-resistant conductive coating for electric grounding grids. Background technique [0002] The grounding grid of the power system is used to eliminate the accumulated charge of the ground equipment, and the metal that constitutes the grounding grid is directly buried in the ground. However, the soil corrosivity is different in different places, and it will cause different degrees of corrosion to the grounding point. Due to the corrosion of the soil to the grounding grid, it poses a great threat to the safe and reliable operation of the power system. The grounding electrode is continuously damaged due to electrochemical corrosion in the soil. In severely corrosive soil, the grounding electrode will be corroded within a few years. After the grounding grid is corroded, corrosion products will be formed on its surface. The conductivity of the grounding grid, if...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/00C09D7/12C09D5/24
Inventor 于金山郭军科林琳路菲郑中原邵林
Owner STATE GRID TIANJIN ELECTRIC POWER
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