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Novel anticorrosive coating for grid fitting

A technology for anti-corrosion coatings and power grids, applied in anti-corrosion coatings and other directions, to achieve good economic benefits, excellent performance, and the effect of solving pollution problems

Inactive Publication Date: 2013-01-02
ELECTRIC POWER RES INST STATE GRID JIANGXI ELECTRIC POWER CO +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Dacromet technology has incomparable advantages in anti-corrosion with other traditional anti-corrosion processes. Afterwards, its conductivity will be reduced to a certain extent, which restricts the wide application of this technology in the field of power grids.

Method used

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  • Novel anticorrosive coating for grid fitting

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Embodiment Construction

[0020] The specific embodiment of the present invention is as figure 1 As shown, the following is a detailed description of the new anti-corrosion paint coating process for power grid fittings of the present invention.

[0021] The technological process of coating the anti-corrosion paint of the new type power grid fittings in the embodiment of the present invention is as follows:

[0022] Configuration of the coating solution - degreasing and degreasing of the coating base material - mechanical shot blasting to remove scale - coating - preheating and baking - sintering and solidification - cooling - coating - preheating and baking - sintering and solidification - cooling - inspection.

[0023] 1. Preparation of coating solution

[0024] The preparation of the coating solution is different from the general multi-component coatings, which can be mixed and dispersed in proportion. The coating mixing and preparation process is a redox reaction process, so in the coating mixi...

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Abstract

A novel anticorrosive coating for grid fitting. A prepared Dacromet solution is added with nanometer fine graphite powder according to a certain proportion, and oscillated by ultrasonic to evenly disperse the nanometer fine graphite powder in the solution; and then coating and curing processing are performed. The formula of the coating comprises, by weight, 10-13% of a graphite powder, 20-55% of a flake zinc powder, 5-10% of an flake aluminum powder, 5-10% of chromic anhydride, 30-45% of ethylene glycol, 6-12% of a dispersant, 0.1-0.2% of a toughening agent, 1-2% of a thickener, and 2-3% of a composite reducing agent and water. According to the present invention, the coating formula is improved by adding the nanometer grade fine graphite powder; and tests prove that the novel coating realizes the goal of no decrease on the conductivity of the coating material, without affecting the anti-corrosion and rust-proof functions. The anticorrosive coating provided by the invention is applicable to antisepsis and rust protection of grid fitting.

Description

[0001] technical field [0002] The invention relates to a preparation method of a novel anti-corrosion coating for electric grid hardware, belonging to the technical field of chemical coatings. Background technique [0003] With the rapid development of my country's industry and the continuous improvement of people's living standards, electric energy has increasingly become an important guarantee for promoting economic development. my country is vigorously developing and constructing ultra-high voltage and ultra-high voltage substations. A large number of power grid facility fittings in substations are directly exposed to the atmosphere. Due to atmospheric environmental pollution and other factors, harmful corrosive media, dust residues and other substances in the air have long-term damage and corrosion to power grid facility fittings, resulting in severe corrosion of the fittings, and even harmful cracks leading to breakage. Although the proportion of fittings for subs...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D5/10
Inventor 涂湛唐囡赵康文
Owner ELECTRIC POWER RES INST STATE GRID JIANGXI ELECTRIC POWER CO
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