CN113880496A - Mineral volcanic rock fire-resistant bus - Google Patents

Mineral volcanic rock fire-resistant bus Download PDF

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Publication number
CN113880496A
CN113880496A CN202111130989.4A CN202111130989A CN113880496A CN 113880496 A CN113880496 A CN 113880496A CN 202111130989 A CN202111130989 A CN 202111130989A CN 113880496 A CN113880496 A CN 113880496A
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volcanic rock
epoxy resin
mineral
curing agent
resistance
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CN202111130989.4A
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任庆
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Jiangsu Yingju Electric Co ltd
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Jiangsu Yingju Electric Co ltd
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Priority to CN202111130989.4A priority Critical patent/CN113880496A/en
Publication of CN113880496A publication Critical patent/CN113880496A/en
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    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B26/00Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
    • C04B26/02Macromolecular compounds
    • C04B26/10Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C04B26/14Polyepoxides
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B14/00Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B14/02Granular materials, e.g. microballoons
    • C04B14/04Silica-rich materials; Silicates
    • C04B14/14Minerals of vulcanic origin
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/22Sheathing; Armouring; Screening; Applying other protective layers
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/17Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/29Protection against damage caused by extremes of temperature or by flame
    • H01B7/292Protection against damage caused by extremes of temperature or by flame using material resistant to heat
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/20Resistance against chemical, physical or biological attack
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/20Resistance against chemical, physical or biological attack
    • C04B2111/28Fire resistance, i.e. materials resistant to accidental fires or high temperatures
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/76Use at unusual temperatures, e.g. sub-zero

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing & Machinery (AREA)
  • Civil Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The invention discloses a mineral volcanic rock fire-resistant bus, which comprises the following steps: the raw material components are as follows: the fireproof bus bar is formed by mixing epoxy resin, curing agent, volcanic, zirconium dioxide powder, chromium oxide powder and quartz sand to form mineral volcanic, and the mineral volcanic protects the fireproof bus bar, so that the mineral volcanic can be well protected by the epoxy resin, the curing agent, the volcanic, the zirconium dioxide powder, the chromium oxide powder and the quartz sand to be burnt for three hours, and then the mineral volcanic is sprayed for fifteen minutes to dissipate heat, so that the fireproof effect is achieved, the fireproof bus bar can operate in water throughout the year, can normally operate under minus 110 ℃ extremely cold weather gas, and can further operate for a long time in severe environments such as acid and alkali.

Description

Mineral volcanic rock fire-resistant bus
Technical Field
The invention relates to the technical field of refractory buses, in particular to a mineral volcanic rock refractory bus.
Background
The traditional fire-resistant bus can not adapt to various environments, can not use under the omnidirectional environment, and protection level is low, common traditional fire-resistant bus, if the fire prevention pouring bus is formed by resin or polyurethane quartz sand mixed pouring, the production technology of present domestic enterprise lags behind, leads to the product front and back pouring to solidify unevenly, has the bubble in the middle of the product, can ftracture after operation three, five years, and the maintenance is complicated, therefore the market fails the large tracts of land and uses. Meanwhile, the traditional fire-resistant bus is physically fire-resistant, for example, on the basis of fire-resistant casting of the bus, the shell is coated with the fire-resistant cotton, the asbestos and the iron plate, and the fire-resistant paint is brushed on the iron plate, so that the volume is large, the cost is high, the fire-resistant bus is coated with the fire-resistant plate when the fire-resistant bus really encounters a big fire, the fire-resistant bus is coated in the middle, the fire-resistant bus process is adopted, the fire-resistant bus is melted at a high temperature of 220 ℃, and the fire-resistant requirement cannot be met at all. Traditional fire-resistant generating line fire resistance is low easily burnt out by fire, and fire resistance is low, also can't use for a long time in aqueous, still is corroded by corrosive substance easily, and life is short, and is with high costs, can't use in low temperature environment simultaneously, still can appear the unstable phenomenon of voltage when the power supply.
Disclosure of Invention
In order to solve the problems in the background art, the invention aims to provide a mineral volcanic rock fire-resistant bus, which has the advantages of being capable of adapting to various environments and solves the problem that the traditional fire-resistant bus cannot adapt to various environments.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a mineral substance volcanic rock fire-resistant generating line which characterized in that: the method comprises the following steps:
the raw material components are as follows: 20-30 kg of epoxy resin, 10-15 kg of curing agent, 20-30 kg of volcanic rock, 20-30 kg of zirconium dioxide powder, 20-30 kg of chromium oxide powder and 10-15 kg of quartz sand;
stirring: pouring 10-15 kg of epoxy resin into a stirrer, stirring for 2-4 minutes to make raw materials in the epoxy resin uniform, pouring 5-7.5 kg of curing agent into the stirrer, stirring for 2-4 minutes to make the epoxy resin and the curing agent uniformly mixed, enabling the epoxy resin to be crosslinked and cured through the curing agent, pouring 10-15 kg of volcanic rock into the stirrer, stirring for 1-2 minutes to make the epoxy resin, the curing agent and the volcanic rock uniformly mixed, wherein no chemical reaction is generated due to the volcanic rock, pouring 10-15 kg of zirconium dioxide powder into the stirrer, stirring for 1-2 minutes to make the epoxy resin, the curing agent, the volcanic rock and the zirconium dioxide powder uniformly mixed, pouring 10-15 kg of chromium oxide powder into the stirrer, stirring for 1-2 minutes to make the epoxy resin, the curing agent and the curing agent, Uniformly mixing volcanic rock, zirconium dioxide powder and chromium oxide powder, wherein the zirconium dioxide and the chromium oxide powder are mixed to enable the characteristics of the zirconium dioxide and the chromium oxide powder to be complementary and improve the high temperature resistance, after the mixture is completed, 6-8.5 kg of quartz sand is poured into a stirrer to be stirred for 1-2 minutes, so that epoxy resin, a curing agent, volcanic rock, the zirconium dioxide powder, the chromium oxide powder and the quartz sand are uniformly mixed, and the quartz sand is added to improve the fire resistance, the anti-cracking property, the tensile action and the moisture resistance;
the manufacturing steps are as follows: after stirring, directly pouring 10-15 kg of the remaining epoxy resin, 5-7.5 kg of a curing agent, 10-15 kg of volcanic rock, 10-15 kg of zirconium dioxide powder, 10-15 kg of chromium oxide powder and 4-6.5 kg of quartz sand into a stirrer, stirring for 2-3 minutes to form mineral volcanic rock, uniformly pouring 100-150 kg of mineral volcanic rock in a container into a plurality of moulds with busbar copper bars, placing the moulds on a vibration platform, vibrating for 1-3 minutes to uniformly fix the mineral volcanic rock on the surface of the busbar copper bars, placing the moulds in an environment at the temperature of 30 ℃, waiting for 7 hours to take out mineral volcanic rock fire-resistant busbars from the moulds, and measuring the resistance by using a megohmmeter to ensure that the resistance of each busbar can reach 1000 megaohms.
Preferably, the epoxy resin is bisphenol A epoxy resin, the bisphenol A epoxy resin has the largest yield, the most variety and high quality, so that the phenomenon of goods breakdown is avoided, and due to the fact that the bisphenol A epoxy resin has more resources and all varieties, the bisphenol A epoxy resin with proper price can be selected, and certain funds are saved.
In the present invention, the curing agent is preferably a basic curing agent WTF, which includes aliphatic diamines and polyamines, aromatic polyamines, other nitrogen-containing compounds, modified aliphatic amines, primary amines and secondary amines, and the curing action of the basic curing agent WTF on the epoxy resin is to open the epoxy group by active hydrogen on the nitrogen atom to crosslink and cure the epoxy resin.
In the present invention, the raw material component is preferably a rock mass produced by eruption of natural volcanoes, the rock mass is burnt at a high temperature and can withstand a high temperature of 2200 ℃ or higher, and the volcanic rock is a natural high-temperature-resistant material, does not cause any chemical reaction, and improves fire resistance by the volcanic rock.
Preferably, the raw material components, namely the zirconium dioxide powder, have the characteristics of high temperature resistance, high melting point, high resistance, low thermal expansion coefficient, chemical corrosion resistance, oxidation resistance, high limiting temperature resistance and the like, and the characteristics of the zirconium dioxide powder and the chromium oxide are complemented to play a great role in high temperature resistance, so that the fire resistance of the mineral volcanic refractory bus is improved again.
Preferably, the raw material components, namely the chromium oxide powder, have the characteristics of high temperature resistance, high melting point, strong slag corrosion resistance, strong wear resistance, strong corrosion resistance, slow high temperature transmission and the like, and the characteristics of the chromium oxide powder and the zirconium dioxide are complementary when the chromium oxide powder is used in combination, so that the chromium oxide powder and the zirconium dioxide play a great role in high temperature resistance, and the corrosion resistance and the wear resistance of the mineral volcanic refractory bus are improved.
Preferably, the raw material components increase the fire resistance and the crack resistance of the mineral volcanic refractory bus through the characteristics of the quartz sand, so that the service life of the mineral volcanic refractory bus is prolonged.
Preferably, in the stirring step, the stirrer is a large-scale stirring device, and can stir 180-200 kg of raw materials, so that the requirement of a user for distributing and stirring the raw materials is avoided.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the mineral volcanic material is formed by mixing the epoxy resin, the curing agent, the volcanic, the zirconium dioxide powder, the chromium oxide powder and the quartz sand, the mineral volcanic material is used for protecting the refractory bus copper bar, the mineral volcanic refractory bus is sprayed for fifteen minutes after being burnt for three hours, the current is not cut off and the current can still be normally powered on, the mineral volcanic refractory bus can run in water all the year round, the protection grade reaches IP68, the mineral volcanic refractory bus can normally work under minus 110 ℃ extremely cold weather gas and can work for a long time under severe environments such as acid and alkali, the effect of long service life is achieved, meanwhile, the epoxy resin, the curing agent, the volcanic, the zirconium dioxide powder, the chromium oxide powder and the quartz sand are cheap substances on the market, the economic cost is saved, and the epoxy resin, the curing agent, the volcanic, the chromium oxide powder, the zirconium dioxide powder and the quartz sand are cheap substances on the market, The mineral volcanic rock formed by mixing the chromium oxide powder and the quartz sand is very stable during power supply, so that certain electric quantity can be saved, the traditional power transmission mode is changed, the effect of adapting to various environments is achieved, and the problem that the traditional fire-resistant bus cannot adapt to various environments is solved.
Detailed Description
The following will clearly and completely describe the technical solutions in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
a mineral volcanic rock refractory bus comprises the following steps:
the raw material components are as follows: 20kg of epoxy resin, 10kg of curing agent, 20kg of volcanic rock, 20kg of zirconium dioxide powder, 20kg of chromium oxide powder and 10kg of quartz sand;
stirring: pouring 10kg of epoxy resin into a stirrer, stirring for 2 minutes to ensure that raw materials in the epoxy resin are uniform, pouring 5kg of curing agent into the stirrer, stirring for 2 minutes to ensure that the epoxy resin and the curing agent are uniformly mixed, enabling the epoxy resin to be crosslinked and cured through the curing agent, pouring 10kg of volcanic rock into the stirrer, stirring for 1 minute to ensure that the epoxy resin, the curing agent and the volcanic rock are uniformly mixed, wherein no chemical reaction is generated due to the volcanic rock, pouring 10kg of zirconium dioxide powder into the stirrer after the completion of the reaction, stirring for 1 minute to ensure that the epoxy resin, the curing agent, the volcanic rock and the zirconium dioxide powder are uniformly mixed, pouring 10kg of chromium oxide powder into the stirrer, stirring for 1 minute to ensure that the epoxy resin, the curing agent, the volcanic rock, the zirconium dioxide powder and the chromium oxide powder are uniformly mixed, and the mixing of the zirconium dioxide and the chromium oxide powder can ensure that the characteristics of the epoxy resin, the curing agent, the volcanic rock, the zirconium dioxide powder and the chromium oxide powder are complementary and the high temperature resistance is improved, after the completion, 6kg of quartz sand is poured into the stirrer, the stirring is carried out for 1 minute, so that the epoxy resin, the curing agent, the volcanic rock, the zirconium dioxide powder, the chromium oxide powder and the quartz sand are uniformly mixed, and the fireproof property, the anti-cracking property, the tensile action and the damp-proof action are improved by adding the quartz sand;
the manufacturing steps are as follows: after stirring, directly pouring 10kg of the remaining epoxy resin, 5kg of curing agent, 10kg of volcanic rock, 10kg of zirconium dioxide powder, 10kg of chromium oxide powder and 4kg of quartz sand into the stirrer, stirring for 2 minutes to form mineral volcanic rock, uniformly pouring 100kg of mineral volcanic rock in the container into a plurality of moulds with busbar copper bars, placing the moulds on a vibration platform, vibrating for 1 minute to uniformly fix the mineral volcanic rock on the surface of the busbar copper bars, placing the moulds in an environment with the temperature of 30 ℃, waiting for 7 hours to take out the mineral volcanic rock refractory busbars from the moulds, and measuring the resistance by using a megohmmeter to ensure that each busbar can reach the resistance of 1000 megohmmets.
Example two:
a mineral volcanic rock refractory bus comprises the following steps:
the raw material components are as follows: 25kg of epoxy resin, 12.5kg of curing agent, 25kg of volcanic rock, 25kg of zirconium dioxide powder, 25kg of chromium oxide powder and 12.5kg of quartz sand;
stirring: pouring 12.5kg of epoxy resin into a stirrer, stirring for 3 minutes to ensure that raw materials in the epoxy resin are uniform, pouring 6.25kg of curing agent into the stirrer after the completion of the stirring, stirring for 3 minutes to ensure that the epoxy resin and the curing agent are uniformly mixed, enabling the epoxy resin to be crosslinked and cured through the curing agent, pouring 12.5kg of volcanic rock into the stirrer after the completion of the stirring, stirring for 1 minute and 30 seconds to ensure that the epoxy resin, the curing agent and the volcanic rock are uniformly mixed, causing no chemical reaction due to the volcanic rock, pouring 12.5kg of zirconium dioxide powder into the stirrer after the completion of the stirring, stirring for 1 minute and 30 seconds to ensure that the epoxy resin, the curing agent, the volcanic rock and the zirconium dioxide powder are uniformly mixed, pouring 12.5kg of chromium oxide powder into the stirrer after the completion of the stirring for 1 minute and 30 seconds to ensure that the epoxy resin, the curing agent, the volcanic rock, the zirconium dioxide powder and the chromium oxide powder are uniformly mixed, the zirconium dioxide and the chromium oxide powder are mixed to enable the characteristics of the zirconium dioxide and the chromium oxide powder to be complementary and improve the high temperature resistance, after the mixing is finished, 6.75kg of quartz sand is poured into a stirrer to be stirred for 1 minute and 30 seconds, so that the epoxy resin, the curing agent, the volcanic rock, the zirconium dioxide powder, the chromium oxide powder and the quartz sand are uniformly mixed, and the fire resistance, the anti-cracking property, the tensile action and the damp-proof action are improved by adding the quartz sand;
the manufacturing steps are as follows: after stirring, directly pouring 12.5kg of the remaining epoxy resin, 6.25kg of the curing agent, 12.5kg of the volcanic rock, 12.5kg of the zirconium dioxide powder, 12.5kg of the chromium oxide powder and 5.25kg of the quartz sand into the stirrer, stirring for 2 minutes and 30 seconds to form mineral volcanic rock, uniformly pouring 125kg of the mineral volcanic rock in the container into a plurality of moulds with bus bar copper bars, placing the moulds on a vibration platform, vibrating for 2 minutes to uniformly fix the mineral volcanic rock on the surface of the bus bar copper bars, placing the moulds in an environment with the air temperature of 30 ℃, waiting for 7 hours to take out the mineral volcanic rock refractory bus bars from the moulds, and measuring the resistance by using a megaohm meter to ensure that each bus bar can reach the resistance of 1000 megaohms.
Example three:
a mineral volcanic rock refractory bus comprises the following steps:
the raw material components are as follows: 30kg of epoxy resin, 15kg of curing agent, 30kg of volcanic rock, 30kg of zirconium dioxide powder, 30kg of chromium oxide powder and 15kg of quartz sand;
stirring: pouring 15kg of epoxy resin into a stirrer, stirring for 4 minutes to ensure that raw materials in the epoxy resin are uniform, pouring 7.5kg of curing agent into the stirrer, stirring for 4 minutes to ensure that the epoxy resin and the curing agent are uniformly mixed, enabling the epoxy resin to be crosslinked and cured through the curing agent, pouring 15kg of volcanic rock into the stirrer, stirring for 2 minutes to ensure that the epoxy resin, the curing agent and the volcanic rock are uniformly mixed, wherein no chemical reaction is generated due to the volcanic rock, pouring 15kg of zirconium dioxide powder into the stirrer after the completion of the reaction, stirring for 2 minutes to ensure that the epoxy resin, the curing agent, the volcanic rock, the zirconium dioxide powder and the chromium dioxide powder are uniformly mixed, pouring 15kg of chromium oxide powder into the stirrer, stirring for 2 minutes to ensure that the epoxy resin, the curing agent, the volcanic rock, the zirconium dioxide powder and the chromium oxide powder are uniformly mixed, and the mixture of the zirconium dioxide and the chromium oxide powder can ensure that the characteristics of the epoxy resin, the curing agent, the volcanic rock, the zirconium dioxide and the chromium oxide powder are complementary and the high temperature resistance is improved, after the reaction is finished, 8.5kg of quartz sand is poured into a stirrer and stirred for 2 minutes, so that epoxy resin, a curing agent, volcanic rock, zirconium dioxide powder, chromium oxide powder and the quartz sand are uniformly mixed, and the fireproof property, the anti-cracking property, the tensile action and the damp-proof action are improved by adding the quartz sand;
the manufacturing steps are as follows: after stirring, directly pouring 15kg of the remaining epoxy resin, 7.5kg of the curing agent, 15kg of the volcanic rock, 15kg of the zirconium dioxide powder, 15kg of the chromium oxide powder and 6.5kg of the quartz sand into the stirrer, stirring for 3 minutes to form mineral volcanic rock, uniformly pouring 150kg of the mineral volcanic rock in the container into a plurality of molds with bus copper bars, placing the molds on a vibration platform, vibrating for 3 minutes to uniformly fix the mineral volcanic rock on the surfaces of the bus copper bars, placing the molds in an environment with the temperature of 30 ℃, waiting for 7 hours to take out the mineral volcanic rock refractory bus bars from the molds, and measuring the resistance by using a megohmmeter to ensure that each bus bar can reach the resistance of 1000 megohmmets.
1. Pressure resistance test before and after aging:
the assessment method comprises the following steps:
and after production, randomly extracting mineral volcanic rock fire-resistant bus ducts, carrying out pressure resistance tests before and after aging, and recording data.
Standard reference:
according to GB/T1408.1-2016 [ insulating material electrical strength test method part 1: test under power frequency, according to GB/T2423.2-2008 [ part 2 of environment test of electrical and electronic products): test methods test B: high temperature, technical requirements of enterprises.
The experimental requirements are as follows:
power frequency withstand voltage test before aging: the test voltage is 3750V, and the test time is 1min, and the phenomena of breakdown and flashover are avoided. Power frequency withstand voltage test after aging: and (3) placing the bus sample in a high-temperature test box, carrying out 12000h continuous high-temperature test under the environment condition of 150 +/-2 ℃, and carrying out power frequency voltage withstand test under the condition of recovering to a normal environment after the test. Test voltage is 3750V, and the test voltage is 1min, and breakdown and flashover phenomena are avoided.
The experimental results are as follows:
the test results of a plurality of random spot check samples have no phenomena of breakdown and flashover.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides a mineral substance volcanic rock fire-resistant generating line which characterized in that: the method comprises the following steps: the raw material components are as follows: 20-30 kg of epoxy resin, 10-15 kg of curing agent, 20-30 kg of volcanic rock, 20-30 kg of zirconium dioxide powder, 20-30 kg of chromium oxide powder and 10-15 kg of quartz sand; stirring: pouring 10-15 kg of epoxy resin into a stirrer, stirring for 2-4 minutes to make raw materials in the epoxy resin uniform, pouring 5-7.5 kg of curing agent into the stirrer, stirring for 2-4 minutes to make the epoxy resin and the curing agent uniformly mixed, enabling the epoxy resin to be crosslinked and cured through the curing agent, pouring 10-15 kg of volcanic rock into the stirrer, stirring for 1-2 minutes to make the epoxy resin, the curing agent and the volcanic rock uniformly mixed, wherein no chemical reaction is generated due to the volcanic rock, pouring 10-15 kg of zirconium dioxide powder into the stirrer, stirring for 1-2 minutes to make the epoxy resin, the curing agent, the volcanic rock and the zirconium dioxide powder uniformly mixed, pouring 10-15 kg of chromium oxide powder into the stirrer, stirring for 1-2 minutes to make the epoxy resin, the curing agent and the curing agent, Uniformly mixing volcanic rock, zirconium dioxide powder and chromium oxide powder, wherein the zirconium dioxide and the chromium oxide powder are mixed to enable the characteristics of the zirconium dioxide and the chromium oxide powder to be complementary and improve the high temperature resistance, after the mixture is completed, 6-8.5 kg of quartz sand is poured into a stirrer to be stirred for 1-2 minutes, so that epoxy resin, a curing agent, volcanic rock, the zirconium dioxide powder, the chromium oxide powder and the quartz sand are uniformly mixed, and the quartz sand is added to improve the fire resistance, the anti-cracking property, the tensile action and the moisture resistance; the manufacturing steps are as follows: after stirring, directly pouring 10-15 kg of the remaining epoxy resin, 5-7.5 kg of a curing agent, 10-15 kg of volcanic rock, 10-15 kg of zirconium dioxide powder, 10-15 kg of chromium oxide powder and 4-6.5 kg of quartz sand into a stirrer, stirring for 2-3 minutes to form mineral volcanic rock, uniformly pouring 100-150 kg of mineral volcanic rock in a container into a plurality of moulds with busbar copper bars, placing the moulds on a vibration platform, vibrating for 1-3 minutes to uniformly fix the mineral volcanic rock on the surface of the busbar copper bars, placing the moulds in an environment at the temperature of 30 ℃, waiting for 7 hours to take out mineral volcanic rock fire-resistant busbars from the moulds, and measuring the resistance by using a megohmmeter to ensure that the resistance of each busbar can reach 1000 megaohms.
2. The mineral volcanic rock fire resistant bus as defined in claim 1, wherein: the raw material composition, epoxy resin are bisphenol A type epoxy resin, and bisphenol A type epoxy resin is not only the output is the biggest, and the variety is complete, the high quality to avoid appearing the phenomenon of disconnected goods, because bisphenol A type epoxy resin resource is many and the variety is complete, can select the bisphenol A type epoxy resin of suitable price, save certain fund.
3. The mineral volcanic rock fire resistant bus as defined in claim 1, wherein: the curing agent of the raw material component is alkaline curing agent WTF which comprises aliphatic diamine and polyamine, aromatic polyamine, other nitrogen-containing compounds, modified aliphatic amine, primary amine and secondary amine, wherein the curing effect of the alkaline curing agent WTF on epoxy resin is that active hydrogen on nitrogen atoms opens epoxy groups to enable the epoxy groups to be crosslinked and cured.
4. The mineral volcanic rock fire resistant bus as defined in claim 1, wherein: the volcanic rock is a rock mass generated after eruption of natural volcano, the rock mass is burnt at high temperature and can resist high temperature of over 2200 ℃, the volcanic rock is a natural high-temperature-resistant material and does not generate any chemical reaction, and the fire resistance is improved through the volcanic rock.
5. The mineral volcanic rock fire resistant bus as defined in claim 1, wherein: the zirconium dioxide powder has the characteristics of high temperature resistance, high melting point, high resistance, low thermal expansion coefficient, chemical corrosion resistance, oxidation resistance, high limitation temperature resistance and the like, has a great effect on high temperature resistance due to the characteristic complementation between the zirconium dioxide powder and the chromium oxide, and improves the fire resistance of the mineral volcanic refractory bus again.
6. The mineral volcanic rock fire resistant bus as defined in claim 1, wherein: the raw material components, namely the chromium oxide powder, have the characteristics of high temperature resistance, high melting point, high slag corrosion resistance, high wear resistance, high corrosion resistance, slow high temperature transmission and the like, and the characteristics of the chromium oxide powder and the zirconium dioxide are complementary to each other when the chromium oxide powder is used in combination with the zirconium dioxide, so that the chromium oxide powder plays a great role in high temperature resistance, and the corrosion resistance and the wear resistance of the mineral volcanic refractory bus are improved.
7. The mineral volcanic rock fire resistant bus as defined in claim 1, wherein: the raw material components increase the fire resistance and the anti-cracking property of the mineral volcanic refractory bus through the characteristics of quartz sand, so that the service life of the mineral volcanic refractory bus is prolonged.
8. The mineral volcanic rock fire resistant bus as defined in claim 1, wherein: in the stirring step, the stirrer is a large stirring device and can stir 180-200 kg of raw materials, so that the requirement of a user for distributing and stirring the raw materials is avoided.
CN202111130989.4A 2021-09-26 2021-09-26 Mineral volcanic rock fire-resistant bus Pending CN113880496A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115259746A (en) * 2022-09-28 2022-11-01 江苏盈聚电气有限公司 Mineral volcanic rock fire-resistant bus and processing technology thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103926013A (en) * 2013-01-15 2014-07-16 宝山钢铁股份有限公司 Protective sleeve of high-temperature thermocouple for sintering
CN108462130A (en) * 2018-04-08 2018-08-28 江苏银庆电气有限公司 Fireproof bus duct and preparation method thereof
JP2019112480A (en) * 2017-12-21 2019-07-11 積水化学工業株式会社 Fire-resistant epoxy resin composition

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103926013A (en) * 2013-01-15 2014-07-16 宝山钢铁股份有限公司 Protective sleeve of high-temperature thermocouple for sintering
JP2019112480A (en) * 2017-12-21 2019-07-11 積水化学工業株式会社 Fire-resistant epoxy resin composition
CN108462130A (en) * 2018-04-08 2018-08-28 江苏银庆电气有限公司 Fireproof bus duct and preparation method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115259746A (en) * 2022-09-28 2022-11-01 江苏盈聚电气有限公司 Mineral volcanic rock fire-resistant bus and processing technology thereof

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