CN102850831A - Novel anticorrosive coating for grid fitting - Google Patents
Novel anticorrosive coating for grid fitting Download PDFInfo
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- CN102850831A CN102850831A CN2012103056851A CN201210305685A CN102850831A CN 102850831 A CN102850831 A CN 102850831A CN 2012103056851 A CN2012103056851 A CN 2012103056851A CN 201210305685 A CN201210305685 A CN 201210305685A CN 102850831 A CN102850831 A CN 102850831A
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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
Technical field
The present invention relates to a kind of preparation method of novel power grid gold utensil protective system, belong to the chemistry painting industry technical field.
Background technology
Fast development along with China's industry, improving constantly of living standards of the people, electric power energy more and more becomes the important leverage of promoting economic development, the requirement of being incorporated into the power networks in order to adapt to extensive transregional transmission of electricity and generation of electricity by new energy, accelerate the modern power network System Construction, China is greatly developing and is building ultra-high voltage, ultra-high voltage transformer station.A large amount of electrical network facilities gold utensils are directly exposed in the atmosphere in the substation; because the factors such as air environmental pollution; harmful corrosive medium in the air; the materials such as dirt slag are for a long time to electrical network facilities gold utensil infringement corrosion; cause the serious corrosion of gold utensil; even generation hazardness crackle causes fracture; although substation's electrical network facilities gold utensil shared ratio in the whole investment of substation is little; but the accident that causes because of its inefficacy is extremely surprising; its second set in can very fast destruction electrical network; such as direct current; protection; the equipment such as communication; accidents caused; what have causes primary equipment to damage and catches fire; what have causes the power station; substation is all out of service, have in addition develop into serious systematic failures, caused certain harm for the substation safety economical operation.Therefore, continuous expansion along with substation capacity, the requirement of electrical network facilities gold utensil safe operation is more and more stricter, corrosion-resistant requirement to gold utensil is also just higher, therefore solve electrical network facilities gold utensil etching problem, guaranteeing its electroconductibility, prolong the work-ing life of electrical network gold utensil, 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 mainly by superfine sheet metal zinc well-regulated lateral overlap film forming on base metal surface.Simultaneously, 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 the sheet zinc layer, form firmly zinc chrome water system, play the rot-resistant effect.The birth of Dacromet Technology has not only fundamentally solved the pollution problem in the course of processing, and utilizes the top coat of this technical finesse to have good especially performance, 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.
Dacromet Technology has the incomparable advantage of other traditional anticorrosion process aspect anticorrosion, but the electrical network facilities gold utensil is a lot of to electric action, its conductivity has certain reduction after using the coating of Dacroment aseptic technic, and this is just restricting this technology in the extensive utilization in electrical network field.
Summary of the invention
The objective of the invention is, disclose a kind of novel electrical network gold utensil protective system, can on the basis that does not reduce electrical network facilities gold utensil conductivity, play good preservative activity, prolong its work-ing life.
Realize that technical scheme of the present invention is, in the Dacroment liquid of configuration, add by a certain percentage the nano level fine graphite powders, use ultrasonic oscillation, the nano level fine graphite powders is dispersed in the liquid, apply again, solidification treatment.
The prescription of novel power grid gold utensil protective system of the present invention is, by weight percentage, Graphite Powder 99 accounts for 10%～13%, zinc flake accounts for 20%～55%, flake aluminum accounts for 5%～10%, chromic trioxide accounts for 5%～10%, ethylene glycol accounts for 30%～45%, dispersion agent accounts for 6%～12%, toughner accounts for 0.1%～0.2%, thickening material accounts for 1%～2%, complex reducing agent and water account for 2%～3%.
Wherein, Graphite Powder 99 should reach nano level, is of a size of 50～100nm, particulate state; Zinc flake, flake aluminum thickness are 0. 1～0. 3 μ m, median size 3～6 μ m, sheet.
The preparation method of novel power grid gold utensil protective system of the present invention is that zinc flake, flake aluminum, chromic trioxide, ethylene glycol, complex reducing agent and water are made Dacroment liquid by formula rate; Then, add therein Graphite Powder 99 and dispersion agent, use ultrasonic oscillation, the nano level fine graphite powders is dispersed in the liquid, in liquid, add again toughner and thickening material, obtain electrical network gold utensil protective system.
During preparation electrical network gold utensil protective system solution, use the time of ultrasonic oscillation to be 3-10 minute.
The present invention's beneficial effect compared with the prior art is, the present invention improves by the invention to formulation for coating material, add the nano level fine graphite powders, having played by this new coating of evidence is not affecting under the antiseptic and rustproof effect, reach the purpose of the conductivity that does not reduce coated material, the present invention has preferably antiseptic and rustproof effect to the electrical network gold utensil, and long service life has preferably economic benefit simultaneously.
The present invention is applicable to the antiseptic and rustproof of electrical network gold utensil.
Description of drawings
Fig. 1 is electrical network gold utensil protective system preparation synoptic diagram of the present invention;
Picture in picture number: the 1st, zinc metal sheet and aluminium flake; The 2nd, the point graphite particle; The 3rd, chromic trioxide (nCr
2O
3+ m Cr
2O
3); The 4th, body material.
Embodiment
The specific embodiment of the invention below is elaborated in the face of novel power grid gold utensil protective system coating processes flow process of the present invention as shown in Figure 1.
The technical process that embodiment of the invention novel power grid gold utensil protective system applies 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-check.
1, the preparation of masking liquid
The preparation of masking liquid be different from general many component coatings be mixed in proportion disperse just passable, coating mixed preparing process is a redox reaction process, so in coating blending dispersion process, a suitable temperature condition need to be arranged, so the mix and blend drum requires to be immersed in the processing of heating or lower the temperature in the water-bath of heating or freezing.
2, apply pre-treatment
Pre-treatment is the preparation work before applying, and oil removing and two processes of rust cleaning are generally arranged.Workpiece surface have oil can affect masking liquid substrate surface wetting, sprawl and levelling, and then have influence on outward appearance and the antiseptic property of final coating, and 300 ℃ of coatings are when solidifying, greasy dirt can charing volatilizees affects the sticking power of coating; Workpiece surface has the corrosion meeting to affect the combination of masking liquid and matrix, and the difference in Electrode Potential of zinc-aluminium is larger in corrosion and the coating, can accelerate the corrosion speed of coating, so the corrosion meeting affects sticking power and the solidity to corrosion of coating, must remove.
3, the storage of masking liquid
Under 20 ℃ of lasting low rate mixing states, the shelf lives should not be above 30 days after the masking liquid preparation.Because when cause specific can not be produced continuously, feed liquid was preferably released from coating machine, is stored in the environment below 10 ℃.
4, centrifugal
Centrifugal main order ground is to get rid of unnecessary feed liquid, makes feed liquid even, smooth at workpiece surface, need to process the workpiece that some appearance requirement are stricter.
5, sintering curing
Solidification value and time, can be according to different materials, geometrical shape and volume are further confirmed.
Claims (4)
1. novel power grid gold utensil protective system, it is characterized in that described coating adds the nano level fine graphite powders by a certain percentage in the Dacroment liquid of configuration, use ultrasonic oscillation, the nano level fine graphite powders is dispersed in the liquid, applies again, solidification treatment;
The prescription of described coating is: by weight percentage, Graphite Powder 99 accounts for 10%～13%, zinc flake accounts for 20%～55%, flake aluminum accounts for 5%～10%, chromic trioxide accounts for 5%～10%, ethylene glycol accounts for 30%～45%, dispersion agent accounts for 6%～12%, toughner accounts for 0.1%～0.2%, thickening material accounts for 1%～2%, complex reducing agent and water account for 2%～3%;
The preparation method of described coating is: zinc flake, flake aluminum, chromic trioxide, ethylene glycol, complex reducing agent and water are made Dacroment liquid by formula rate; Then, add therein Graphite Powder 99 and dispersion agent, use ultrasonic oscillation, the nano level fine graphite powders is dispersed in the liquid, in liquid, add again toughner and thickening material, obtain electrical network gold utensil protective system.
2. novel power grid gold utensil protective system according to claim 1 is characterized in that described Graphite Powder 99 should reach nano level, is of a size of 50～100nm, particulate state.
3. novel power grid gold utensil protective system according to claim 1 is characterized in that, described zinc flake, flake aluminum thickness are 0. 1～0. 3 μ m, median size 3～6 μ m, sheet.
4. novel power grid gold utensil protective system according to claim 1 is characterized in that, the time of described ultrasonic oscillation is 3-10min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103056851A CN102850831A (en) | 2012-08-27 | 2012-08-27 | Novel anticorrosive coating for grid fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103056851A CN102850831A (en) | 2012-08-27 | 2012-08-27 | Novel anticorrosive coating for grid fitting |
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| Publication Number | Publication Date |
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| CN102850831A true CN102850831A (en) | 2013-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012103056851A Pending CN102850831A (en) | 2012-08-27 | 2012-08-27 | Novel anticorrosive coating for grid fitting |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105086558A (en) * | 2015-08-12 | 2015-11-25 | 国网江西省电力科学研究院 | Anti-corrosion coating for power grid overhead conductor |
| CN105385252A (en) * | 2015-11-16 | 2016-03-09 | 国网山东省电力公司电力科学研究院 | Undersurface integrated heavy anticorrosion coating |
| CN109679450A (en) * | 2018-12-21 | 2019-04-26 | 中国特种飞行器研究所 | A kind of economical anticorrosive paint and preparation method thereof |
| CN110527926A (en) * | 2019-08-23 | 2019-12-03 | 徐州东坤耐磨材料有限公司 | A kind of preparation method of anti-corrosive water pump blower inlet casing |
| CN110591429A (en) * | 2019-10-10 | 2019-12-20 | 江阴达克罗金属制品有限公司 | Preparation method and application of low hexavalent chromium Dacromet coating liquid |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1401708A (en) * | 2002-03-21 | 2003-03-12 | 鞍山万事达电力有限公司 | Zinc-chromium composite coating corrosion-proofing technique |
| CN1428379A (en) * | 2002-12-19 | 2003-07-09 | 殷跃军 | Production method of coating material |
| CN101085889A (en) * | 2007-06-06 | 2007-12-12 | 孔繁明 | Surface antiseptic treating agent for cable bridge frame |
| CN101781521A (en) * | 2009-01-16 | 2010-07-21 | 比亚迪股份有限公司 | Paint and coating |
| CN102559006A (en) * | 2011-12-13 | 2012-07-11 | 上海安福隆涂复工业有限公司 | Black dacromet paint |
-
2012
- 2012-08-27 CN CN2012103056851A patent/CN102850831A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1401708A (en) * | 2002-03-21 | 2003-03-12 | 鞍山万事达电力有限公司 | Zinc-chromium composite coating corrosion-proofing technique |
| CN1428379A (en) * | 2002-12-19 | 2003-07-09 | 殷跃军 | Production method of coating material |
| CN101085889A (en) * | 2007-06-06 | 2007-12-12 | 孔繁明 | Surface antiseptic treating agent for cable bridge frame |
| CN101781521A (en) * | 2009-01-16 | 2010-07-21 | 比亚迪股份有限公司 | Paint and coating |
| CN102559006A (en) * | 2011-12-13 | 2012-07-11 | 上海安福隆涂复工业有限公司 | Black dacromet paint |
Non-Patent Citations (1)
| Title |
|---|
| 郑淑萍: "达克罗涂料工艺配方研究", 《昆明理工大学硕士学位论文》, 15 October 2006 (2006-10-15), pages 23 - 81 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105086558A (en) * | 2015-08-12 | 2015-11-25 | 国网江西省电力科学研究院 | Anti-corrosion coating for power grid overhead conductor |
| CN105385252A (en) * | 2015-11-16 | 2016-03-09 | 国网山东省电力公司电力科学研究院 | Undersurface integrated heavy anticorrosion coating |
| CN105385252B (en) * | 2015-11-16 | 2017-12-08 | 国网山东省电力公司电力科学研究院 | A kind of bottom surface integration anticorrosive paint |
| CN109679450A (en) * | 2018-12-21 | 2019-04-26 | 中国特种飞行器研究所 | A kind of economical anticorrosive paint and preparation method thereof |
| CN110527926A (en) * | 2019-08-23 | 2019-12-03 | 徐州东坤耐磨材料有限公司 | A kind of preparation method of anti-corrosive water pump blower inlet casing |
| CN110591429A (en) * | 2019-10-10 | 2019-12-20 | 江阴达克罗金属制品有限公司 | Preparation method and application of low hexavalent chromium Dacromet coating liquid |
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| PB01 | Publication | ||
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Application publication date: 20130102 |