CN108892507A - A kind of preparation method of the coating material for outdoor lightning arrester - Google Patents
A kind of preparation method of the coating material for outdoor lightning arrester Download PDFInfo
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
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- C04B35/62218—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products obtaining ceramic films, e.g. by using temporary supports
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- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
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- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
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- C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
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- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
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Abstract
The present invention provides a kind of preparation method of coating material for outdoor lightning arrester, the wet gel stablized and prepared jointly after suspension with barium acetate, cerous acetate, zirconium nitrate, acetic acid yttrium is prepared by the method for sol-gel with zinc acetate using redox graphene first to be compounded, it is made lightning arrester dipping after coating gel wherein, by special heat treatment, the ceramic coating film of Nano grade is obtained；The main solid solution for being replaced part cerium ion using yttrium, zirconium, the mixed conductivity of electron hole is shown in wet oxygen or air atmosphere, improves the conductivity of lightning arrester；The doping for cooperating graphene zinc oxide, improves the compactness of ceramic coating, further increases conductivity；It is used for the surface of outdoor lightning arrester using the coating material of the method for the present invention preparation, can not only achieve the purpose that protect lightning protection system, prolong the service life, and the lightning protection effect of lightning arrester can be enhanced.
Description
Technical field
The present invention relates to lightning arrester technical field more particularly to a kind of coating materials for outdoor lightning arrester
Preparation method.
Background technique
Thunder and lightning is a kind of strong natural electric discharge phenomena, and Lightning Disaster is the meteorological calamity occurred since ancient times in nature
Evil, in China and foreign countries' historical records, lightning stroke causes the record of fire, building collapsing and people and animals' injures and deaths commonplace.Currently, people
Think that thunder and lightning there are 3 kinds of forms：Direct lightning strike, inductive lightning and ball-type thunder, by high energy low-frequency component and great infiltrative high frequency at
It is grouped as；Since the mankind are using line telecommunications, phone and electrical equipment, there is the new model of Lightning Disaster.Therefore, to thunder
The research of electricity protection, is protected by the direct lightning strike at initial stage, develops to the modern lightning-protection research of electrical system, electronic system；Lightning protection
Standard also voluntarily formulates standard by various countries, develops to the whole world and gradually forms unified standard.But on the whole for, thunder and lightning is anti-
Protecting system is made of 3 parts：Exterior protection is made of arrester, downlead, grounding body；Transition is protected by reasonably shielding, connecing
Ground, wiring composition；Internal Protection is connected by equalized voltage, overvoltage protection forms；Each section has its important function, does not deposit
It is all these to be provided to through thunder energy of greatly rapidly releasing alternative.
Since the special operating environment requirements material of lightening protection installation will adapt to humid climate, stable chemical performance, electric conductivity
It can wait by force, and lightning rod call wire is ferrous metals under normal conditions, since working environment is severe, is exposed in air, daylight,
The corrosion such as rainwater are easy to oxidation, denaturation, line-outage contingency when being easy to appear lightning stroke.In traditional processing technology, so that people can be
One layer of paint is smeared on the outer wall of arrester, but in long-time use process, paint is easy to fall off, and paint is easy to
By the damage of soda acid ingredient, so that the service life of arrester be made to substantially reduce；This just needs to use lightning arrester surface
Protection appropriate not only will not influence the conductivity of lightning rod, but also can extend the service life of lightning rod.
Summary of the invention
The purpose of the present invention is to provide a kind of preparation methods of coating material for outdoor lightning arrester, with solution
Certainly above-mentioned technical problem.
The present invention using following technical scheme in order to solve the above technical problems, realized：
A kind of preparation method of the coating material for outdoor lightning arrester, including step in detail below：
(1) using ethylene glycol monomethyl ether as solvent, zinc acetate and stabilizer are added in sequence, being configured to concentration is
The zinc acetate solution of 0.5mo l is gradually cooling to obtain after room temperature transparent stirred in water bath 30-40 minutes of 60-65 DEG C
It is aged within solution left standstill about 24 hours；
(2) proportionally appropriate redox graphene is added in above-mentioned ageing liquid, after mixing evenly by ultrasound
It is stand-by to obtain the stable suspension of black so that redox graphene powder is fully dispersed for processing 60-90 minutes；
(3) barium acetate, cerous acetate, zirconium nitrate, acetic acid yttrium are mixed according to certain molar ratio, it is equal that distilled water mixing is added
It is even to obtain mixed solution, suitable urea mixing is added, obtaining concentration is 10wt% urea mixed solution, in 80-82 DEG C of water
Continuing stirring after being sufficiently stirred in bath 30-40 minutes, gradually to flash to wet gel stand-by；
(4) step (2) product is mixed according to a certain percentage with step (3) product, obtains mixed sols-gel, used
Dipping technique is coated on the lightning arrester surface of cast iron substrate, obtains the coating of 200 ran thickness, is being heat-treated
Before, static 5-8 minutes makes organic solvent sufficiently volatilize, and the substrate with film is sent into 420-450 DEG C of Muffle furnace and is heated
5-6 minutes, solvent is made sufficiently to volatilize, be finally sent in program-controlled high temperature furnace, be sintered in air, and is permanent under certain high temperature
Temperature processing 90-120 minutes stops work and is cooled to room temperature taking-up.
A kind of preparation method of the coating material for outdoor lightning arrester, stabilizer described in step (1) is steady
Determine agent EMA, and the molar ratio of stabilizer and zinc acetate is 1:1.
A kind of preparation method of the coating material for outdoor lightning arrester proportionally will described in step (2)
Appropriate redox graphene is added to above-mentioned ageing liquid, is specifically added to 4 millis according to every 1 milligram of redox graphene
The ratio in ageing liquid risen is added.
A kind of preparation method of the coating material for outdoor lightning arrester, barium acetate, acetic acid described in step (3)
Cerium, zirconium nitrate, acetic acid yttrium refer to according to certain molar ratio mixing according to 1:0.8:0.1:0.1 molar ratio is mixed.
A kind of preparation method of the coating material for outdoor lightning arrester produces step (2) described in step (4)
Object mixes according to a certain percentage with step (3) product, refers to according to 9:1 volume ratio is mixed.
A kind of preparation method of the coating material for outdoor lightning arrester, in certain high temperature described in step (4)
Lower constant temperature processing refers to that constant temperature is handled at 1150-1200 DEG C.
The beneficial effects of the invention are as follows：
The present invention uses redox graphene and zinc acetate to prepare stable suspension by the method for sol-gel first
The wet gel prepared jointly with barium acetate, cerous acetate, zirconium nitrate, acetic acid yttrium afterwards is compounded, and will be taken shelter from the thunder after coating gel is made
Device impregnates wherein, by special heat treatment, obtains the ceramic coating film of Nano grade；Mainly use yttrium, zirconium substitution portion
The solid solution for dividing cerium ion shows that oxonium ion, proton and the mixing of electron hole are led in wet oxygen or air atmosphere
Electrically, the conductivity of lightning arrester is improved；The doping for cooperating graphene zinc oxide, improves the compactness of ceramic coating, and
And the presence of graphene microchip, a 3D network is being formed in film coating, since graphene has good electrical property
Can, conductive channel can be formed in the film, move in the film for drift current and shortcut is provided, further increase conductivity,
Simultaneously because graphene is lighter, the graphene for generally requiring to add a small amount of specific gravity in the film can play modified effect；It adopts
It is used for the surface of outdoor lightning arrester with coating material prepared by the method for the present invention, protection lightning protection system can not only be reached, prolonged
The purpose of long life, and the lightning protection effect of lightning arrester can be enhanced.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Specific embodiment is closed, the present invention is further explained, and however, the following embodiments are merely preferred embodiments of the present invention, and not all.
Based on the implementation example in the implementation mode, those skilled in the art's obtained other realities without making creative work
Example is applied, protection scope of the present invention is belonged to.Experimental method in following embodiments is unless otherwise specified conventional method,
The materials, reagents and the like used in the following examples is commercially available unless otherwise specified.
A kind of preparation method of the coating material for outdoor lightning arrester, including step in detail below：
(1) using ethylene glycol monomethyl ether as solvent, zinc acetate and stabilizer EMA, stabilizer and acetic acid are added in sequence
The molar ratio of zinc is 1:1, it is configured to the zinc acetate solution that concentration is 0.5mo l, stirred in water bath 30 minutes of 65 DEG C, gradually
The clear solution obtained after being cooled to room temperature stands about 24 hours and is aged；
(2) ratio being added to according to every 1 milligram of redox graphene in 4 milliliters of ageing liquid, by redox
Graphene is added in above-mentioned ageing liquid, after mixing evenly by ultrasonic treatment 90 minutes, so that redox graphene powder
It is fully dispersed, it is stand-by to obtain the stable suspension of black；
(3) by barium acetate, cerous acetate, zirconium nitrate, acetic acid yttrium according to 1:0.8:0.1:0.1 molar ratio is mixed, and is added
Enter distilled water and be uniformly mixed to obtain mixed solution, adds the mixing of suitable urea, obtaining concentration is 10wt% urea mixed solution,
Continuing stirring after being sufficiently stirred in 80 DEG C of water-bath 35 minutes, gradually to flash to wet gel stand-by；
(4) by step (2) product and step (3) product according to 9:1 volume ratio is mixed, and mixed sols-gel is obtained,
It is coated on the lightning arrester surface of cast iron substrate using dipping technique, the coating of 200 ran thickness is obtained, in Re Chu
Before reason, so that organic solvent is sufficiently volatilized within static 7 minutes, the substrate with film is sent into 450 DEG C of Muffle furnace and heats 5 points
Clock makes solvent sufficiently volatilize, and is finally sent in program-controlled high temperature furnace, is sintered in air, and constant temperature is handled at 1150 DEG C
120 minutes, stops work and be cooled to room temperature taking-up.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
For personnel it should be appreciated that the present invention is not limited to the above embodiments, described in the above embodiment and specification is only the present invention
Preference, be not intended to limit the invention, without departing from the spirit and scope of the present invention, the present invention also has various
Changes and improvements, these changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by institute
Attached claims and its equivalent thereof.
Claims (6)
1. a kind of preparation method of the coating material for outdoor lightning arrester, which is characterized in that including walking in detail below
Suddenly：
(1) using ethylene glycol monomethyl ether as solvent, zinc acetate and stabilizer are added in sequence, being configured to concentration is 0.5mol's
Zinc acetate solution is gradually cooling to the clear solution obtained after room temperature standing stirred in water bath 30-40 minutes of 60-65 DEG C
It is aged within about 24 hours；
(2) proportionally appropriate redox graphene is added in above-mentioned ageing liquid, after mixing evenly by ultrasonic treatment
60-90 minutes, so that redox graphene powder is fully dispersed, it is stand-by to obtain the stable suspension of black；
(3) barium acetate, cerous acetate, zirconium nitrate, acetic acid yttrium are mixed according to certain molar ratio, distilled water is added and is uniformly mixed
To mixed solution, suitable urea mixing is added, obtaining concentration is 10wt% urea mixed solution, in 80-82 DEG C of water-bath
Continuing stirring after being sufficiently stirred 30-40 minutes, gradually to flash to wet gel stand-by；
(4) step (2) product is mixed according to a certain percentage with step (3) product, mixed sols-gel is obtained, using dipping
Technology is coated on the lightning arrester surface of cast iron substrate, obtains the coating of 200 ran thickness, before heat treatment, quiet
Only so that organic solvent is sufficiently volatilized within 5-8 minutes, the substrate with film is sent into in 420-450 DEG C of Muffle furnace 5-6 points of heating
Clock makes solvent sufficiently volatilize, and is finally sent in program-controlled high temperature furnace, is sintered in air, and under certain high temperature at constant temperature
Reason 90-120 minutes stops work and is cooled to room temperature taking-up.
2. a kind of preparation method of coating material for outdoor lightning arrester according to claim 1, feature
It is, stabilizer described in step (1) is stabilizer EMA, and the molar ratio of stabilizer and zinc acetate is 1:1.
3. a kind of preparation method of coating material for outdoor lightning arrester according to claim 1, feature
It is, appropriate redox graphene is proportionally added to above-mentioned ageing liquid described in step (2), specifically according to every 1
The ratio that the redox graphene of milligram is added in 4 milliliters of ageing liquid is added.
4. a kind of preparation method of coating material for outdoor lightning arrester according to claim 1, feature
It is, barium acetate described in step (3), cerous acetate, zirconium nitrate, acetic acid yttrium refer to according to certain molar ratio mixing according to 1:
0.8:0.1:0.1 molar ratio is mixed.
5. a kind of preparation method of coating material for outdoor lightning arrester according to claim 1, feature
It is, described in step (4) step (2) product is mixed according to a certain percentage with step (3) product, referred to according to 9:1 volume
Than being mixed.
6. a kind of preparation method of coating material for outdoor lightning arrester according to claim 1, feature
It is, constant temperature is handled under certain high temperature described in step (4), refers to that constant temperature is handled at 1150-1200 DEG C.
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| US20130004752A1 (en) * | 2009-11-25 | 2013-01-03 | Udo Adler | Method for applying carbon/tin mixtures to metal or alloy layers |
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2018
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Patent Citations (4)
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| US20130004752A1 (en) * | 2009-11-25 | 2013-01-03 | Udo Adler | Method for applying carbon/tin mixtures to metal or alloy layers |
| CN104098088A (en) * | 2014-06-17 | 2014-10-15 | 华南理工大学 | Preparation method for nano-zinc oxide modified graphene hybrid material |
| CN104928660A (en) * | 2015-05-18 | 2015-09-23 | 江苏亨通光电股份有限公司 | Preparation method for YxCe1-xO2/La2Zr2O7 composite transition layer film for superconducting coating |
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| 余夏阳: "掺石墨烯透明导电薄膜制备及表征", 《中国优秀硕士学位论文全文数据库 基础科学辑》 * |
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Application publication date: 20181127 |