CN105086558A - Anti-corrosion coating for power grid overhead conductor - Google Patents
Anti-corrosion coating for power grid overhead conductor Download PDFInfo
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- CN105086558A CN105086558A CN201510490350.5A CN201510490350A CN105086558A CN 105086558 A CN105086558 A CN 105086558A CN 201510490350 A CN201510490350 A CN 201510490350A CN 105086558 A CN105086558 A CN 105086558A
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Abstract
The invention provides an anti-corrosion coating for a power grid overhead conductor. The coating is obtained by adding nanometer-scale fine graphite powder to a prepared Dacromet solution according to a certain proportion, conducting ultrasonic oscillation so that the nanometer-scale fine graphite powder can be evenly dispersed in the liquid, and then conducting coating and solidifying. The coating comprises, by weight, 12% of graphite powder, 35% of sheet zinc powder, 8% of sheet aluminum powder, 7% of chromic anhydride, 30% of ethanediol, 5% of dispersing agents, 0.1% of flexibilizer, 0.9% of thickening agents, and 2% of composite reducing agents and water. Through the invention improvement of the coating formula and addition of the nanometer-scale fine graphite powder, tests prove that the novel coating achieves the aim of not reducing the conductivity of coating materials while not influencing the anti-corrosion and anti-rusting effect. The anti-corrosion coating is suitable for corrosion prevention and rust prevention of the power grid overhead conductor.
Description
Technical field
The present invention relates to a kind of electrical network aerial condutor protective system, belong to technical field of chemical paint.
Background technology
Along with the fast development of China's industry, improving constantly of living standards of the people, electric power energy becomes the important leverage of promoting economic development, in order to adapt to the requirement of extensive transregional transmission of electricity and new energy power generation grid-connection, accelerate modern power network System Construction, China is greatly developing and is building ultra-high voltage, ultra-high voltage transformer station.Electrical network aerial condutor is directly exposed in air, due to factors such as air environmental pollutions, in air, the material such as unwanted corrosion medium, acid rain, dirt slag is for a long time to electrical network aerial condutor infringement corrosion, cause the serious corrosion of wire, even produce hazardness crackle and cause fracture, serious will cause power station, substation all out of service, and what have even develops into serious systematic failures, run cause certain harm to whole power grid security economic stability.Therefore, solving electrical network aerial condutor etching problem, ensure its electroconductibility, extend electrical network aerial condutor work-ing life, is power grid security economic production problem in the urgent need to address.
Dacromet Technology is a kind of brand-new antirust treatment technology, and Dacromet/steel is primarily of superfine sheet metal zinc well-regulated lateral overlap film forming in base metal surface.Meanwhile, water-soluble chromium acid salt and water-soluble organic reducing agent carry out redox reaction, make most of hexavalent chrome reduction generate trivalent chromium oxide as the tackiness agent between sheet zinc layers, form firmly zinc chrome water system, play rot-resistant effect.The birth of Dacromet Technology, not only fundamentally solves the pollution problem in the course of processing, and utilizes the top coat of this technical finesse to have performance excellent especially, is that traditional plating series products is incomparable far away.Therefore, in industrially developed country, Dacromet Technology has been widely used in the multiple fields such as automotive industry, civil construction, electric power, chemical industry, oceanographic engineering, household electrical appliance, railway, highway, bridge, tunnel, shipbuilding, war industry.
The advantage that Dacromet Technology has other traditional anticorrosion process incomparable in anticorrosion, but electrical network aerial condutor plays electric action, after using the coating of Dacroment aseptic technic, its conductivity has certain reduction, and this just governs the extensive utilization of this technology in electrical network field.
Summary of the invention
The object of the invention is, for the Anticorrosion of electrical network aerial condutor, disclose a kind of electrical network aerial condutor protective system, on the basis not reducing electrical network aerial condutor conductivity, play good preservative activity, extend its work-ing life.
Realizing technical scheme of the present invention is, in the Dacroment liquid of configuration, add nano level fine graphite powders by a certain percentage, uses ultrasonic oscillation, nano level fine graphite powders is dispersed in liquid, then carry out applying, solidification treatment.
A kind of electrical network aerial condutor protective system, by weight percentage, Graphite Powder 99 accounts for 12% to the formula of described coating, zinc flake accounts for 35%, flake aluminum accounts for 8%, chromic trioxide accounts for 7%, ethylene glycol accounts for 30%, dispersion agent accounts for 5%, toughner accounts for 0.1%, thickening material accounts for 0.9%, complex reducing agent and water account for 2%.。
The preparation method of described coating is:
(1) zinc flake, flake aluminum, chromic trioxide, ethylene glycol, complex reducing agent and water are made Dacroment liquid by formula rate;
(2) in Dacroment liquid, add Graphite Powder 99 and dispersion agent, use ultrasonic oscillation, make nano level fine graphite powders be dispersed in liquid;
(3) add toughner and thickening material in a liquid, obtain electrical network aerial condutor protective system.
Described Graphite Powder 99 should reach nano level, is of a size of 50 ~ 100nm, particulate state.
Described zinc flake, flake aluminum thickness are 0.1 ~ 0.3 μm, median size 3 ~ 6 μm, sheet.
The time of described ultrasonic oscillation is 3-10min.
The present invention's beneficial effect is compared with the prior art, the present invention is by improving the invention of formulation for coating material, add nano level fine graphite powders, proving that this new coating serves by test is not affecting under antiseptic and rustproof effect, reach the object of the conductivity not reducing coated material, the present invention has good antiseptic and rustproof effect to electrical network aerial condutor, and long service life, has good economic benefit simultaneously.
The present invention is applicable to the antiseptic and rustproof of electrical network aerial condutor.
Accompanying drawing explanation
Fig. 1 is electrical network aerial condutor protective system of the present invention preparation schematic diagram.
Embodiment
As shown in Figure 1, below, novel power grid aerial condutor anti-corrosion paint of the present invention technical process is described in detail the specific embodiment of the invention.
The technical process of embodiment of the present invention novel power grid aerial condutor anti-corrosion paint is:
The configuration of masking liquid--coated substrates material degreasing degreasing-mechanical ball blast descales-applies-prewarming baking-sintering curing-cooling-coating-prewarming baking-sintering curing-cooling-inspection.
(1) preparation of masking liquid
The preparation of masking liquid is different from general many component coatings, and to be mixed in proportion dispersion just passable, coating mixed preparing process is a redox reaction process, so in coating blending dispersion process, need a suitable temperature condition, so mix and blend drum requires to be immersed in the water-bath of heating or refrigeration carry out process of heating or lower the temperature.
(2) pre-treatment is applied
Pre-treatment is the preparation work before coating, generally has oil removing and rust cleaning two processes.Workpiece surface have oil can affect masking liquid the soaking of substrate surface, sprawl and levelling, and then have influence on outward appearance and the antiseptic property of final coating, and during coating 300 DEG C solidification, greasy dirt can carbonize the sticking power that volatilization affects coating; Workpiece surface has corrosion can affect the combination of masking liquid and matrix, and in corrosion and coating, the difference in Electrode Potential of zinc-aluminium is comparatively large, can accelerate the corrosion speed of coating, so corrosion can affect sticking power and the solidity to corrosion of coating, must remove.
(3) storage of masking liquid
After masking liquid preparation under 20 DEG C of continuous slow whipped states, the shelf lives was no more than 30 days.Due to cause specific can not continuous seepage time, feed liquid is preferably released from coating machine, is stored in the environment of less than 10 DEG C.
(4) centrifugal
Centrifugal main order ground gets rid of unnecessary feed liquid, makes feed liquid even at workpiece surface, smooth, need to process to the workpiece that some appearance requirement are stricter.
(5) sintering curing
Solidification value and time, can according to different materials, geometrical shape and volume confirm further.
Claims (5)
1. an electrical network aerial condutor protective system, it is characterized in that, by weight percentage, Graphite Powder 99 accounts for 12% to the formula of described coating, zinc flake accounts for 35%, flake aluminum accounts for 8%, chromic trioxide accounts for 7%, ethylene glycol accounts for 30%, dispersion agent accounts for 5%, toughner accounts for 0.1%, thickening material accounts for 0.9%, complex reducing agent and water account for 2%.
2. a kind of electrical network aerial condutor protective system according to claim 1, the preparation method of described coating is:
(1) zinc flake, flake aluminum, chromic trioxide, ethylene glycol, complex reducing agent and water are made Dacroment liquid by formula rate;
(2) in Dacroment liquid, add Graphite Powder 99 and dispersion agent, use ultrasonic oscillation, make nano level fine graphite powders be dispersed in liquid;
(3) add toughner and thickening material in a liquid, obtain electrical network aerial condutor protective system.
3. a kind of electrical network aerial condutor protective system according to claim 1, described Graphite Powder 99 should reach nano level, is of a size of 50 ~ 100nm, particulate state.
4. a kind of electrical network aerial condutor protective system according to claim 1, described zinc flake, flake aluminum thickness are 0.1 ~ 0.3 μm, median size 3 ~ 6 μm, sheet.
5. a kind of electrical network aerial condutor protective system according to claim 1, the time of described ultrasonic oscillation is 3-10min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510490350.5A CN105086558A (en) | 2015-08-12 | 2015-08-12 | Anti-corrosion coating for power grid overhead conductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510490350.5A CN105086558A (en) | 2015-08-12 | 2015-08-12 | Anti-corrosion coating for power grid overhead conductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105086558A true CN105086558A (en) | 2015-11-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510490350.5A Pending CN105086558A (en) | 2015-08-12 | 2015-08-12 | Anti-corrosion coating for power grid overhead conductor |
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| Country | Link |
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| CN (1) | CN105086558A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107173350A (en) * | 2017-06-13 | 2017-09-19 | 超品贸易（上海）有限公司 | It is unleaded to fish pendant and preparation method thereof |
| CN107384041A (en) * | 2017-08-24 | 2017-11-24 | 南通捷皋家具有限公司 | A kind of furniture special anti-corrosion paint |
| CN109836999A (en) * | 2018-12-27 | 2019-06-04 | 安徽伊法拉电力科技有限公司 | A kind of power grid aerial condutor anticorrosive paint and preparation method thereof |
Citations (4)
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| CN101085889A (en) * | 2007-06-06 | 2007-12-12 | 孔繁明 | Surface antiseptic treating agent for cable bridge frame |
| CN102850831A (en) * | 2012-08-27 | 2013-01-02 | 江西省电力科学研究院 | Novel anticorrosive coating for grid fitting |
| CN103740153A (en) * | 2013-11-12 | 2014-04-23 | 宁波墨西科技有限公司 | Graphene-modified Dacromet coating material |
| CN104250462A (en) * | 2014-08-21 | 2014-12-31 | 王广波 | Dacromet coating |
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2015
- 2015-08-12 CN CN201510490350.5A patent/CN105086558A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101085889A (en) * | 2007-06-06 | 2007-12-12 | 孔繁明 | Surface antiseptic treating agent for cable bridge frame |
| CN102850831A (en) * | 2012-08-27 | 2013-01-02 | 江西省电力科学研究院 | Novel anticorrosive coating for grid fitting |
| CN103740153A (en) * | 2013-11-12 | 2014-04-23 | 宁波墨西科技有限公司 | Graphene-modified Dacromet coating material |
| CN104250462A (en) * | 2014-08-21 | 2014-12-31 | 王广波 | Dacromet coating |
Non-Patent Citations (1)
| Title |
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| 刘光源: "《简明电工布线手册》", 31 May 2014, 上海科学技术出版社 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107173350A (en) * | 2017-06-13 | 2017-09-19 | 超品贸易（上海）有限公司 | It is unleaded to fish pendant and preparation method thereof |
| CN107384041A (en) * | 2017-08-24 | 2017-11-24 | 南通捷皋家具有限公司 | A kind of furniture special anti-corrosion paint |
| CN109836999A (en) * | 2018-12-27 | 2019-06-04 | 安徽伊法拉电力科技有限公司 | A kind of power grid aerial condutor anticorrosive paint and preparation method thereof |
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Application publication date: 20151125 |