CN106631150A - An insulating prop used for high-voltage isolators and a manufacturing method thereof - Google Patents

An insulating prop used for high-voltage isolators and a manufacturing method thereof Download PDF

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Publication number
CN106631150A
CN106631150A CN201610983854.5A CN201610983854A CN106631150A CN 106631150 A CN106631150 A CN 106631150A CN 201610983854 A CN201610983854 A CN 201610983854A CN 106631150 A CN106631150 A CN 106631150A
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parts
raw material
weight
temperature
insulation column
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CN106631150B (en
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张丽娟
崔均亮
王丁
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Zhengzhou Electric Power College
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Zhengzhou Electric Power College
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
    • H01H31/02—Details
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B33/00—Clay-wares
    • C04B33/02—Preparing or treating the raw materials individually or as batches
    • C04B33/13—Compounding ingredients
    • C04B33/1305—Organic additives
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B33/00—Clay-wares
    • C04B33/02—Preparing or treating the raw materials individually or as batches
    • C04B33/13—Compounding ingredients
    • C04B33/131—Inorganic additives
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B33/00—Clay-wares
    • C04B33/02—Preparing or treating the raw materials individually or as batches
    • C04B33/13—Compounding ingredients
    • C04B33/132—Waste materials; Refuse; Residues
    • C04B33/1321—Waste slurries, e.g. harbour sludge, industrial muds
    • C04B33/1322—Red mud
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B33/00—Clay-wares
    • C04B33/02—Preparing or treating the raw materials individually or as batches
    • C04B33/13—Compounding ingredients
    • C04B33/132—Waste materials; Refuse; Residues
    • C04B33/138—Waste materials; Refuse; Residues from metallurgical processes, e.g. slag, furnace dust, galvanic waste
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/10—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by using foaming agents or by using mechanical means, e.g. adding preformed foam
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B19/00—Apparatus or processes specially adapted for manufacturing insulators or insulating bodies
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3418—Silicon oxide, silicic acids, or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3427—Silicates other than clay, e.g. water glass
    • C04B2235/3463—Alumino-silicates other than clay, e.g. mullite
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
    • C04B2235/52—Constituents or additives characterised by their shapes
    • C04B2235/5208—Fibers
    • C04B2235/5216—Inorganic
    • C04B2235/522—Oxidic
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/60—Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Inorganic Insulating Materials (AREA)
  • Compositions Of Oxide Ceramics (AREA)

Abstract

An insulating prop used for high-voltage isolators and a firing method thereof are disclosed. The insulating prop is manufactured by firing a base material, a filler and a pore-forming agent. The base material includes calcinated kaolin, clay, gangue, aluminum ash and red mud. The filler includes fine kyanite powder, activated alumina micropowder and modified nanometer silica. The pore-forming agent comprises silicon carbide fine powder, sodium bicarbonate and soda lime. The modified nanometer silica is prepared by mixing commercially available nanometer silica and a surface modifying agent the weight of which is 3-5% of the weight of the commercially available nanometer silica. The surface modifying agent is prepared by mixing barium hydroxide, sodium carbonate and KH550 in a weight ratio of 3-4:1-2:30. The insulating prop can be soaked in inorganic or organic insulating materials so that air pores in the insulating prop are filled with the insulating materials, thus further enhancing safety performance of the insulating prop and prolonging the service lifetime of the insulating prop.

Description

A kind of high voltage isolator insulation column and preparation method thereof
Technical field
The present invention relates to the high voltage isolator of power system, specifically a kind of high voltage isolator insulation Post and its method for cooking.
Background technology
High voltage isolator is device for switching important in power plant and transformer station's electrical system, need to be matched somebody with somebody with primary cut-out Set is used, and its major function is the safety for ensureing High-Voltage Electrical Appliances and device in service work, plays isolation voltage, it is impossible to With with cut off, put into load current and cut-off short circuit current, can only be used to not produce some handover operations of powerful electric arc, be Say that it does not have arc-suppression function；High voltage isolator is divided into formula outside formula within doors and room by infield difference, by insulation column number Mesh is divided into open side type, queen post and three pillar type, and each electric pressure has optional equipment.
The insulation column of existing high voltage isolator is essentially all to fire to form using ceramic material, not only security It is good, and resistance to natural erosion, it is durable in use.
The content of the invention
It is an object of the invention to provide a kind of high voltage isolator insulation column and its method for cooking, by party's legal system The insulation column of work, not only weight is compared to existing ceramic insulation pillar a reduction, and its insulating properties and Adaptability in various environment is greatly improved, and the security performance of high voltage isolator is greatly improved.
The present invention for realize technical scheme that above-mentioned technical purpose adopted for：A kind of insulation of high voltage isolator Post, the insulation column is fired by base-material, inserts and perforating agent and formed, and according to weight ratio, the base-material is calcined by 30-32 parts The red mud composition of kaolin, the clay of 8-10 parts, the gangue of 16-18 parts, the aluminium ash of 4-5 parts and 2-3 parts, inserts is by 4-5 Reactive alumina and 3-4 part of kyanite fine powder, 5-7 part fineness of part fineness less than 45 microns less than 5 microns Modified manometer silicon dioxide is constituted, carbide fine powder, the bicarbonate of 1-2 part of the perforating agent by 7-9 parts fineness less than 30 microns The soda lime composition of sodium and 2-3 parts；The modified manometer silicon dioxide is the table of commercially available nano silicon and its weight 3-5% Face modifying agent is mixed to get, and the surface modifier compares 3-4 by barium hydroxide, sodium carbonate and KH550 according to weight:1-2:30 Ratio is mixed.
The potassium chloride of 0.2-0.4 parts is additionally added in the surface modifier.
The also modified crystal whisker of hexa potassium titanate containing 0.2-0.4 parts in the inserts, the modified crystal whisker of hexa potassium titanate is Commercially available crystal whisker of hexa potassium titanate compares 100 with dodecyl silane coupler, titanate coupling agent, nano titanium oxide according to weight： 3:2:8-10。
Also containing the potassium manganate of 0.5-0.7 parts in the perforating agent.
The preparation method of the insulator of above-mentioned ultra-high-tension power transmission line, is first according to above-mentioned requirements and chooses each raw material and to original Material is processed, and then sends into die cast in mould after batch mixing, milling in proportion, is finally sintered and is obtained product, described right Raw material carries out process and refers to, the surface modifier of commercially available nano silicon and its weight 3-5% is mixed to get into modified Nano two Silica, the surface modifier compares 3-4 by barium hydroxide, sodium carbonate and KH550 according to weight:1-2:30 ratio mixing and Into.
The batch mixing, milling refer to, add the water of each raw material gross weight 35%, each raw material in mixed each raw material successively The carbon dust of the acetone of gross weight 2%, the vegetable oil for industry purpose of each raw material gross weight 1% and each raw material gross weight 0.8%, then mix is uniform and grinds It is milled into the powder that fineness is 300 mesh.
The sintering is divided into low-temperature zone, middle-temperature section and the part of oxidation and sinter section three, wherein, low-temperature zone is to instigate in-furnace temperature 420 DEG C are uniformly increased in 6h from normal temperature, and keep temperature 1-2h, in the process, oxygen content is not higher than in holding furnace 4%；
The middle-temperature section refers to, makes in-furnace temperature uniformly be increased to 1050 DEG C in 4h from 420 DEG C, in the process, in holding furnace Oxygen content is not less than 45%；
The oxidation and sinter section refers to, makes in-furnace temperature uniformly be increased to 1450 DEG C in 2h from 1050 DEG C, and keeps temperature 3h, In the process, oxygen content is not less than 45% in holding furnace.
In the present invention, using the convenient source calcined kaolin of firing ceramics, clay, gangue and aluminium ash, red mud as master Material, wherein being mixed into carborundum, sodium acid carbonate and soda lime as perforating agent, both can ensure that and had been opened containing some in the ceramics after burning till Put type pore（Or title open pore）, nor its intensity can be affected；Carborundum is susceptible to oxygen in high temperature oxidative atmosphere Change reaction：SiC+2O2→CO2+SiO2, the reaction started temperature is higher, and 1000 DEG C start substantially oxidation, and particle is thinner, then aoxidize Speed is faster, product CO2Effusion easily cause ceramic body surface and form open pore, and product SiO2Have Greater activity, with oxidation reactive aluminum mullite is generated, so as to form mullite reinforcement in ceramics；Sodium acid carbonate high temperature is generated Sodium carbonate, while the NaOH and potassium hydroxide in soda lime can't participate at high temperature any reaction, and due to it Fusing point is high, so disperse, when these particles are entered into pore and during pore edge, can increase pottery in whole system under high temperature Porcelain surface and the area of pore, so as to when it is combined with other materials, there is provided higher adhesion；Meanwhile, fill out in the present invention At high temperature, kyanite fine powder therein both can ensure that and generate more mullite phase, it is ensured that the mechanical strength of product charge, Kyanite starts to decompose, generates mullite and SiO from 1100 DEG C or so2, 1300 DEG C of notable decomposition and inversions later, because this does not come Petrochemical industry reaction is accompanied by the volumetric expansion of 16-18%, therefore can also fill the hole produced due to Oxidation of SiC, makes single hole Gap diminishes, and overall porosity is reduced, and can change shape and the distribution of ceramic inner pore.
In the present invention, nano level SiO is allowed as catalyst by the use of barium hydroxide and sodium carbonate mixing2The surface of particle Can be acted on by hydroxyl, so as to contain a number of oxygen-containing functional group, increased nanoscale SiO2The relevant table of particle Face compatibility, in nanoscale SiO2When particle is sufficiently mixed as inserts and remaining raw material, because SiO2Particle very little, and compare Surface area is big, and the structure of granular causes rest materials to increase with its contact area, makes SiO2Particle can be in material Even dispersion, consequently facilitating SiO2There is chemical bonding or physical bond at high temperature with remaining material.Additionally, homodisperse Nanoscale SiO2Equivalent to " anchor point ", it can make the reinforcing matrix generated under hot environment in connection, rushed by external force Under the effect of hitting, the effect of " stress concentration " can be produced so that some matrixes " surrender " around it simultaneously absorb more deformation Work(, can also produce in addition " pinning-climb up and over " effect, increase the crackle resistance suffered in extension, consume work of deformation, from And increase its toughness.
In the present invention, after the completion of insulation column sintering, can be placed in the nitrile rubber of thawing, and keep melting State soaks 20-30min, so that its surface forms electro-insulating rubber layer；
It is of course also possible in being placed on the mixture that cement mortar, plastic powders and glass fibre are formed, and cement mortar, plastics The weight ratio of powder and glass fibre is 10:1:2, cement mortar compares 1 using cement and water according to weight:The ratio mixing of 10-20 Obtain.
Beneficial effect：The present invention compared with prior art, possesses advantages below：
1）The present invention using the convenient source calcined kaolin of firing ceramics, clay, gangue, as major ingredient, wherein being mixed into carbonization Silicon, sodium acid carbonate and soda lime both can ensure that and contain in the ceramics after burning till some opening pores as perforating agent（Or claim to open Implication hole）, nor its intensity can be affected, by the aquamaine stone flour for adding high temperature volumetric expansion so that opening pore It is obviously reduced, it is exhausted with remaining so as to help the insulation daughter after firing so as to form tiny pore with surface inside ceramics The combination of edge material, such as plastics and rubber；
2）Also containing aluminium ash and red mud in the major ingredient of the present invention, wherein, in aluminium ash the aluminum oxide, silica and the magnesia that contain with The iron oxide contained in red mud combines generate magnesia-alumina spinel structure and hercynite structure at high temperature, so as to significantly increase It is strong fire after ceramic matrix intensity；
3）The present invention in addition to adding conventional water, is also added into acetone, vegetable oil for industry purpose and carbon dust in batch mixing, and this two After planting material mixing, can slowly gasify in low-temperature zone, so as to depart from unpainted clay idol, and small pore be formed on unpainted clay idol surface, And the viscosity of compound can be strengthened, crackle occurs in surface when preventing from firing causes to be damaged in follow-up firing；
4）In the present invention, after modified it is dispersed and is strengthened with the bond strength at matrix, interface for nano silicon, When it is used as inserts, under its hot conditions in sintering, can closely tie with the mullite reinforcement formed when sintering Close, increase substantially globality and intensity, and at high temperature can also be used as the presence of similar nucleator so as in oxidation Aluminium and silica can preferably form mullite Reinforcement structure；
5）The insulation column that the present invention is fired may be dipped in inorganic or organic insulation, so that these insulating materials are filled out It is charged in the pore in insulation column, further enhances the security performance and service life of insulation column.
Specific embodiment
With reference to specific embodiment, the present invention is further elaborated, and raw material used is in following embodiment The conventional raw material in this area or from can be commercially available on the market.
Embodiment 1
A kind of high voltage isolator insulation column, the insulation column is fired by base-material, inserts and perforating agent and formed, according to Weight ratio, the base-material is by 30 parts of calcined kaolins, 8 parts of clay, 16 parts of gangue, 4 parts of aluminium ash and 2 parts of red mud group Into Reactive alumina of kyanite fine powder, 5 part fineness of the inserts by 4 parts of fineness less than 45 microns less than 5 microns Modified manometer silicon dioxide composition with 3 parts, carbide fine powder, 1 part of carbonic acid of the perforating agent by 7 parts of fineness less than 30 microns Hydrogen sodium and 2 parts of soda lime composition；The modified manometer silicon dioxide is the surface of commercially available nano silicon and its weight 3% Modifying agent is mixed to get, and the surface modifier compares 3 by barium hydroxide, sodium carbonate and KH550 according to weight:1:30 ratio is mixed Conjunction is formed；
The method for cooking of above-mentioned high voltage isolator insulation column, is first according to above-mentioned requirements and chooses each raw material and raw material is entered Row is processed, and then sends into die cast in mould after batch mixing, milling in proportion, is finally sintered and is obtained product, described to raw material Carry out process to refer to, the surface modifier of commercially available nano silicon and its weight 3% is mixed to get into modified nano-silica Silicon, the surface modifier compares 3 by barium hydroxide, sodium carbonate and KH550 according to weight:1:30 ratio is mixed；
The batch mixing, milling refer to, add the water of each raw material gross weight 35%, each raw material gross weight in mixed each raw material successively The carbon dust of 2% acetone, the vegetable oil for industry purpose of each raw material gross weight 1% and each raw material gross weight 0.8%, then mix is uniformly and the system of grinding Into the powder that fineness is 300 mesh；
The sintering is divided into low-temperature zone, middle-temperature section and the part of oxidation and sinter section three, wherein, low-temperature zone is to instigate in-furnace temperature from normal Temperature is uniformly increased to 420 DEG C in 6h, and keeps temperature 1h, and in the process, oxygen content is not higher than 4% in holding furnace；
The middle-temperature section refers to, makes in-furnace temperature uniformly be increased to 1050 DEG C in 4h from 420 DEG C, in the process, in holding furnace Oxygen content is not less than 45%；
The oxidation and sinter section refers to, makes in-furnace temperature uniformly be increased to 1450 DEG C in 2h from 1050 DEG C, and keeps temperature 3h, In the process, oxygen content is not less than 45% in holding furnace.
Above for the present embodiment basic embodiment, can more than on the basis of further improved, optimized and limited：
Such as, 0.2 part of potassium chloride is additionally added in the surface modifier；
And for example, also containing 0.2 part of modified crystal whisker of hexa potassium titanate in the inserts, the modified crystal whisker of hexa potassium titanate is commercially available Crystal whisker of hexa potassium titanate compares 100 with dodecyl silane coupler, titanate coupling agent, nano titanium oxide according to weight：3:2: 8；
For another example, also containing 0.5 part of potassium manganate in the perforating agent.
Embodiment 2
A kind of high voltage isolator insulation column, the insulation column is fired by base-material, inserts and perforating agent and formed, according to Weight ratio, the base-material is by 32 parts of calcined kaolins, 10 parts of clay, 18 parts of gangue, 5 parts of aluminium ash and 3 parts of red mud Composition, activated alumina of kyanite fine powder, 7 part fineness of the inserts by 5 parts of fineness less than 45 microns less than 5 microns is micro- Powder and 4 parts of modified manometer silicon dioxide composition, carbide fine powder, 2 part of carbon of the perforating agent by 9 parts of fineness less than 30 microns Sour hydrogen sodium and 3 parts of soda lime composition；The modified manometer silicon dioxide is the table of commercially available nano silicon and its weight 5% Face modifying agent is mixed to get, and the surface modifier compares 4 by barium hydroxide, sodium carbonate and KH550 according to weight:2:30 ratio Mix；
The method for cooking of above-mentioned high voltage isolator insulation column, is first according to above-mentioned requirements and chooses each raw material and raw material is entered Row is processed, and then sends into die cast in mould after batch mixing, milling in proportion, is finally sintered and is obtained product, described to raw material Carry out process to refer to, the surface modifier of commercially available nano silicon and its weight 5% is mixed to get into modified nano-silica Silicon, the surface modifier compares 4 by barium hydroxide, sodium carbonate and KH550 according to weight:2:30 ratio is mixed；
The batch mixing, milling refer to, add the water of each raw material gross weight 35%, each raw material gross weight in mixed each raw material successively The carbon dust of 2% acetone, the vegetable oil for industry purpose of each raw material gross weight 1% and each raw material gross weight 0.8%, then mix is uniformly and the system of grinding Into the powder that fineness is 300 mesh；
The sintering is divided into low-temperature zone, middle-temperature section and the part of oxidation and sinter section three, wherein, low-temperature zone is to instigate in-furnace temperature from normal Temperature is uniformly increased to 420 DEG C in 6h, and keeps temperature 2h, and in the process, oxygen content is not higher than 4% in holding furnace；
The middle-temperature section refers to, makes in-furnace temperature uniformly be increased to 1050 DEG C in 4h from 420 DEG C, in the process, in holding furnace Oxygen content is not less than 45%；
The oxidation and sinter section refers to, makes in-furnace temperature uniformly be increased to 1450 DEG C in 2h from 1050 DEG C, and keeps temperature 3h, In the process, oxygen content is not less than 45% in holding furnace.
Above for the present embodiment basic embodiment, can more than on the basis of further improved, optimized and limited：
Such as, 0.4 part of potassium chloride is additionally added in the surface modifier；
And for example, also containing 0.4 part of modified crystal whisker of hexa potassium titanate in the inserts, the modified crystal whisker of hexa potassium titanate is commercially available Crystal whisker of hexa potassium titanate compares 100 with dodecyl silane coupler, titanate coupling agent, nano titanium oxide according to weight：3:2: 10；
For another example, also containing 0.7 part of potassium manganate in the perforating agent.
Embodiment 3
A kind of high voltage isolator insulation column, the insulation column is fired by base-material, inserts and perforating agent and formed, according to Weight ratio, the base-material is by 31 parts of calcined kaolins, 9 parts of clay, 17 parts of gangue, 4.5 parts of aluminium ash and 2.5 parts red Mud is constituted, active oxidation of kyanite fine powder, 6 part fineness of the inserts by 4.5 parts of fineness less than 45 microns less than 5 microns The modified manometer silicon dioxide composition of aluminium micro mist and 3.5 parts, carbide fine powder of the perforating agent by 8 parts of fineness less than 30 microns, 1.5 parts of sodium acid carbonate and 2.5 parts of soda lime composition；The modified manometer silicon dioxide be commercially available nano silicon and its The surface modifier of weight 4% is mixed to get, and the surface modifier is by barium hydroxide, sodium carbonate and KH550 according to weight ratio 3.5:1.5:30 ratio is mixed；
The method for cooking of above-mentioned high voltage isolator insulation column, is first according to above-mentioned requirements and chooses each raw material and raw material is entered Row is processed, and then sends into die cast in mould after batch mixing, milling in proportion, is finally sintered and is obtained product, described to raw material Carry out process to refer to, the surface modifier of commercially available nano silicon and its weight 4% is mixed to get into modified nano-silica Silicon, the surface modifier compares 3.5 by barium hydroxide, sodium carbonate and KH550 according to weight:1.5:30 ratio is mixed；
The batch mixing, milling refer to, add the water of each raw material gross weight 35%, each raw material gross weight in mixed each raw material successively The carbon dust of 2% acetone, the vegetable oil for industry purpose of each raw material gross weight 1% and each raw material gross weight 0.8%, then mix is uniformly and the system of grinding Into the powder that fineness is 300 mesh；
The sintering is divided into low-temperature zone, middle-temperature section and the part of oxidation and sinter section three, wherein, low-temperature zone is to instigate in-furnace temperature from normal Temperature is uniformly increased to 420 DEG C in 6h, and keeps temperature 1.5h, and in the process, oxygen content is not higher than 4% in holding furnace；
The middle-temperature section refers to, makes in-furnace temperature uniformly be increased to 1050 DEG C in 4h from 420 DEG C, in the process, in holding furnace Oxygen content is not less than 45%；
The oxidation and sinter section refers to, makes in-furnace temperature uniformly be increased to 1450 DEG C in 2h from 1050 DEG C, and keeps temperature 3h, In the process, oxygen content is not less than 45% in holding furnace.
Above for the present embodiment basic embodiment, can more than on the basis of further improved, optimized and limited：
Such as, 0.3 part of potassium chloride is additionally added in the surface modifier；
And for example, also containing 0.3 part of modified crystal whisker of hexa potassium titanate in the inserts, the modified crystal whisker of hexa potassium titanate is commercially available Crystal whisker of hexa potassium titanate compares 100 with dodecyl silane coupler, titanate coupling agent, nano titanium oxide according to weight：3:2: 9；
For another example, also containing 0.6 part of potassium manganate in the perforating agent.

Claims (7)

1. a kind of high voltage isolator insulation column, it is characterised in that：The insulation column is by base-material, inserts and perforating agent Firing is formed, according to weight ratio, the base-material by 30-32 part calcined kaolins, the clay of 8-10 parts, the gangue of 16-18 parts, The aluminium ash of 4-5 parts and the red mud of 2-3 parts are constituted, kyanite fine powder, the 5-7 part of inserts by 4-5 parts fineness less than 45 microns The modified manometer silicon dioxide composition of Reactive alumina and 3-4 part of the fineness less than 5 microns, perforating agent is thin by 7-9 parts The soda lime composition of carbide fine powder, the sodium acid carbonate of 1-2 part and 2-3 part of the degree less than 30 microns；The modified Nano two Silica is that commercially available nano silicon is mixed to get with the surface modifier of its weight 3-5%, and the surface modifier is by hydrogen-oxygen Change barium, sodium carbonate and KH550 and compare 3-4 according to weight:1-2:30 ratio is mixed.
2. a kind of high voltage isolator insulation column according to claim 1, it is characterised in that：The surface modifier In be additionally added the potassium chloride of 0.2-0.4 parts.
3. a kind of high voltage isolator insulation column according to claim 1, it is characterised in that：In the inserts also Modified crystal whisker of hexa potassium titanate containing 0.2-0.4 parts, the modified crystal whisker of hexa potassium titanate is commercially available crystal whisker of hexa potassium titanate and 12 Alkyl silane coupling agent, titanate coupling agent, nano titanium oxide compare 100 according to weight：3:2:8-10.
4. a kind of high voltage isolator insulation column according to claim 1, it is characterised in that：In the perforating agent also Potassium manganate containing 0.5-0.7 parts.
5. a kind of method for cooking of high voltage isolator insulation column according to claim 1, is first according to right and wants The requirement for asking 1 chooses each raw material and raw material is processed, and then sends into die cast in mould after batch mixing, milling in proportion, Finally sinter and obtain product, it is characterised in that：It is described process is carried out to raw material to refer to, commercially available nano silicon is heavy with it The surface modifier of amount 3-5% is mixed to get modified manometer silicon dioxide, the surface modifier by barium hydroxide, sodium carbonate and KH550 compares 3-4 according to weight:1-2:30 ratio is mixed.
6. the method for cooking of a kind of high voltage isolator insulation column according to claim 5, it is characterised in that：It is described Batch mixing, milling refer to, add in mixed each raw material successively the water of each raw material gross weight 35%, the acetone of each raw material gross weight 2%, The carbon dust of the vegetable oil for industry purpose of each raw material gross weight 1% and each raw material gross weight 0.8%, then mix is uniformly and grinding is made fineness and is The powder of 300 mesh.
7. the method for cooking of a kind of high voltage isolator insulation column according to claim 5, it is characterised in that：It is described Sintering is divided into low-temperature zone, middle-temperature section and the part of oxidation and sinter section three, wherein, low-temperature zone is to instigate in-furnace temperature equal in 6h from normal temperature It is even to be increased to 420 DEG C, and temperature 1-2h is kept, in the process, oxygen content is not higher than 4% in holding furnace；
The middle-temperature section refers to, makes in-furnace temperature uniformly be increased to 1050 DEG C in 4h from 420 DEG C, in the process, in holding furnace Oxygen content is not less than 45%；
The oxidation and sinter section refers to, makes in-furnace temperature uniformly be increased to 1450 DEG C in 2h from 1050 DEG C, and keeps temperature 3h, In the process, oxygen content is not less than 45% in holding furnace.
CN201610983854.5A 2016-11-09 2016-11-09 A kind of high voltage isolator insulation column and preparation method thereof Expired - Fee Related CN106631150B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107235705A (en) * 2017-06-12 2017-10-10 安徽青花坊瓷业股份有限公司 Corrosion-and high-temp-resistant ceramics and preparation method thereof
CN110922203A (en) * 2019-12-12 2020-03-27 江西高强电瓷集团有限公司 Porcelain insulator for high-voltage transmission line and manufacturing method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002308668A (en) * 2001-04-11 2002-10-23 Noritake Co Ltd Refractory and its production method
CN1528491A (en) * 2003-10-08 2004-09-15 武汉理工大学 Method for manufacturing environmental-protection ceramic filter ball
CN103146197A (en) * 2013-03-11 2013-06-12 深圳大学 Method for preparing lyophobic heat conduction material with micro-nano core-shell structure
CN104231917A (en) * 2014-10-13 2014-12-24 北京国泰瑞华精藻硅特种材料有限公司 Nanometer high temperature resistant thermal insulation and prevention coating
CN106045563A (en) * 2016-06-08 2016-10-26 郏县宏大瓷业有限公司 Light blue jun porcelain and firing method thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002308668A (en) * 2001-04-11 2002-10-23 Noritake Co Ltd Refractory and its production method
CN1528491A (en) * 2003-10-08 2004-09-15 武汉理工大学 Method for manufacturing environmental-protection ceramic filter ball
CN103146197A (en) * 2013-03-11 2013-06-12 深圳大学 Method for preparing lyophobic heat conduction material with micro-nano core-shell structure
CN104231917A (en) * 2014-10-13 2014-12-24 北京国泰瑞华精藻硅特种材料有限公司 Nanometer high temperature resistant thermal insulation and prevention coating
CN106045563A (en) * 2016-06-08 2016-10-26 郏县宏大瓷业有限公司 Light blue jun porcelain and firing method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107235705A (en) * 2017-06-12 2017-10-10 安徽青花坊瓷业股份有限公司 Corrosion-and high-temp-resistant ceramics and preparation method thereof
CN110922203A (en) * 2019-12-12 2020-03-27 江西高强电瓷集团有限公司 Porcelain insulator for high-voltage transmission line and manufacturing method thereof

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