CN115231900A - Method for producing and manufacturing ultra-high voltage industrial alumina cylinder head porcelain insulator - Google Patents
Method for producing and manufacturing ultra-high voltage industrial alumina cylinder head porcelain insulator Download PDFInfo
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- CN115231900A CN115231900A CN202210715051.7A CN202210715051A CN115231900A CN 115231900 A CN115231900 A CN 115231900A CN 202210715051 A CN202210715051 A CN 202210715051A CN 115231900 A CN115231900 A CN 115231900A
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- 239000012212 insulator Substances 0.000 title claims abstract description 48
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 47
- 229910052573 porcelain Inorganic materials 0.000 title claims abstract description 38
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 title claims abstract description 35
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 56
- 238000000034 method Methods 0.000 claims abstract description 48
- 229910052742 iron Inorganic materials 0.000 claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000004927 clay Substances 0.000 claims abstract description 22
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229910052622 kaolinite Inorganic materials 0.000 claims abstract description 22
- 239000002994 raw material Substances 0.000 claims abstract description 16
- 229910001570 bauxite Inorganic materials 0.000 claims abstract description 11
- 239000010433 feldspar Substances 0.000 claims abstract description 11
- 239000004014 plasticizer Substances 0.000 claims abstract description 11
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 9
- 239000012535 impurity Substances 0.000 claims abstract description 9
- 239000010959 steel Substances 0.000 claims abstract description 9
- 238000005516 engineering process Methods 0.000 claims abstract description 8
- 238000003825 pressing Methods 0.000 claims abstract description 8
- 230000000007 visual effect Effects 0.000 claims abstract description 8
- 238000000227 grinding Methods 0.000 claims abstract description 7
- 239000002002 slurry Substances 0.000 claims description 21
- 229910052570 clay Inorganic materials 0.000 claims description 20
- 238000002156 mixing Methods 0.000 claims description 12
- 238000000498 ball milling Methods 0.000 claims description 10
- 239000010453 quartz Substances 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 10
- 238000009966 trimming Methods 0.000 claims description 10
- 238000005303 weighing Methods 0.000 claims description 10
- 238000001354 calcination Methods 0.000 claims description 7
- 238000007873 sieving Methods 0.000 claims description 7
- 229920000742 Cotton Polymers 0.000 claims description 5
- 239000000835 fiber Substances 0.000 claims description 5
- 238000004513 sizing Methods 0.000 claims description 4
- 230000006866 deterioration Effects 0.000 abstract description 4
- 238000007670 refining Methods 0.000 abstract 2
- 239000006185 dispersion Substances 0.000 abstract 1
- 238000004537 pulping Methods 0.000 abstract 1
- 238000004886 process control Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000010409 ironing Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009422 external insulation Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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- 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
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
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- 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
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
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- 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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
- C04B41/81—Coating or impregnation
- C04B41/85—Coating or impregnation with inorganic materials
- C04B41/86—Glazes; Cold glazes
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- 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
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- 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
- C04B2235/349—Clays, e.g. bentonites, smectites such as montmorillonite, vermiculites or kaolines, e.g. illite, talc or sepiolite
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
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- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Insulating Bodies (AREA)
Abstract
The invention relates to the technical field of insulator production, and discloses a production and manufacturing method of an extra-high voltage industrial alumina cylindrical head porcelain insulator, which comprises the following raw materials in parts by weight: 10 to 25 percent of kaolinite type clay, 10 to 25 percent of quartz-added kaolinite type clay, 20 to 35 percent of calcined bauxite, 15 to 25 percent of industrial alumina, 10 to 20 percent of feldspar and 0.5 to 2 percent of plasticizer. In the production and processing process of the insulator, the mud press adopts a secondary water pressure technology to ensure that no core mud is generated in the mud pressing process, fine grinding is adopted to strictly control the content of iron points and impurities in mud sections subjected to fine pulping, rough refining and vacuum mud refining, a visual positioning system is adopted for cementing to ensure that the centers of a steel foot, an iron cap and a porcelain are consistent, and products with unqualified sizes are removed from the head part of a blank through a thickness measuring instrument, so that the problem that the existing porcelain insulator product has high deterioration rate in operation due to large dispersion of various properties of the product caused by basic manual operation is solved.
Description
Technical Field
The invention relates to the technical field of insulator production, in particular to a method for producing an extra-high voltage industrial alumina cylindrical head porcelain insulator.
Background
Suspension insulators are generally made of insulating parts (such as porcelain and glass) and metal accessories (such as steel legs, iron caps, flanges, etc.) by gluing or mechanically fastening with an adhesive. Insulators are widely used in power systems, generally belong to external insulation, and work under atmospheric conditions. The buses of overhead transmission lines, power plants and substations and the external live conductors of various electrical equipment are supported by insulators, and the insulators are insulated from the ground (or earthed objects) or other conductors with potential differences, and the insulators are indispensable components in high-voltage transmission lines. The function of the cable is mainly embodied in two aspects, namely, in the first aspect, the cable can enable a lead at a high potential and a tower at a low potential to be connected with each other, and mechanical forces such as gravity and wind power of the lead are borne, so that the cable needs to meet the requirement of mechanical performance.
At present, in the production process of the insulator, the porcelain insulator product is basically manually operated, and the dispersibility of various properties of the product is high, so that the deterioration rate of the insulator product in operation is high.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a method for producing and manufacturing an extra-high voltage industrial alumina cylindrical head porcelain insulator, and solves the problem that the porcelain insulator product has high deterioration rate in operation due to large dispersity of various properties of the product caused by basic manual operation.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: the production and manufacturing method of the ultra-high voltage industrial alumina cylindrical head porcelain insulator comprises the following raw materials in parts by weight: 10 to 25 percent of kaolinite type clay, 10 to 25 percent of quartz and kaolinite type clay, 20 to 35 percent of calcined bauxite, 15 to 25 percent of industrial alumina, 10 to 20 percent of feldspar and 0.5 to 2 percent of plasticizer.
The production and manufacturing method of the high-voltage industrial alumina cylindrical head porcelain insulator comprises the following steps:
s1, weighing raw materials such as kaolinite type clay, quartz and kaolinite type clay, calcined bauxite, industrial alumina, feldspar and the like by adopting corresponding weighing equipment for later use, mixing and stirring the raw materials for later use by mixing and stirring equipment, adding a plasticizer, obtaining mixed pug after the completion, and carrying out ball milling on the pug after removing iron by adopting slurry.
S2, the proportion of the new slurry and the old slurry is accurately controlled by a DCS, so that the proportion is consistent.
And S3, pugging the pug by a pug mill to remove a large amount of water in the pug.
And S4, performing water pressure treatment on the pug through a mud press, wherein the mud press adopts a secondary water pressure technology to ensure that no core mud is generated in the mud pressing process.
And S5, performing press trimming on the processed pug to form the pug, wherein the press trimming adopts a machine automatic power-assisted mode.
And S6, after the blank making operation is finished, putting the blank into a kiln for calcining to form the blank, and removing products with unqualified sizes by using a blank head thickness measuring instrument.
And S7, carrying out glazing and sanding process treatment on the formed blank, wherein a mode of firstly glazing an umbrella tray and then glazing a head part is adopted.
And S8, cementing the blank after the glazing and sanding process treatment.
S9, curing finished products after the cementing, wherein the curing process adopts water temperature of 25-35 ℃ for curing.
Preferably, in the step S1, the ball milling process adopts a process of fine milling, sieving through 4 passes of 300 meshes, and removing iron through 4 passes, and the content of iron points and impurities in the mud segments of fine sizing, rough sizing and vacuum pugging are strictly controlled.
Preferably, the pug mill in the step S3 adopts a manipulator for feeding, so that the uniform feeding speed can be ensured.
Preferably, the plunger pump used in conjunction with the mud press in step S4 is an intelligent variable pump, and the power is one third of the power of the pump.
Preferably, the kiln in the step S6 adopts the design of all-fiber cotton, and the computer automatically controls the whole process.
Preferably, the temperature of the kiln for calcining the blank in the step S6 is 1200 ℃ to 1350 ℃.
Preferably, the cementing in the step S8 adopts a visual positioning system to ensure that the centers of the steel foot, the iron cap and the porcelain piece are consistent.
Preferably, the water temperature curing time in the step S9 is 36 hours.
(III) advantageous effects
Compared with the prior art, the invention provides a method for producing an extra-high voltage industrial alumina cylindrical head porcelain insulator, which has the following beneficial effects:
according to the method for manufacturing the ultra-high voltage industrial alumina cylindrical head porcelain insulator, in the production and processing process of the insulator, a mud press adopts a secondary hydraulic pressure technology, core-wrapped mud is not generated in the mud pressing process, the content of iron points and impurities is strictly controlled by a mud section subjected to vacuum pugging through a process of fine grinding, sieving for 4 times with 300 meshes and removing iron for 4 times, the content of iron points and impurities is strictly controlled by fine pulp, the proportion of new and old pulp is accurately controlled by a DCS (distributed control System), the proportion can be ensured to be consistent, a visual positioning system is adopted for cementing, the centers of a steel foot, an iron cap and a porcelain piece are ensured to be consistent, products with unqualified sizes are removed through a thickness measuring instrument at the head of a blank, the production quality of the insulator is strictly controlled in the whole production process, the appearance of inferior insulators is reduced, and the problem that the insulator has high performance dispersity and high deterioration rate of the insulator in operation due to the existing porcelain insulator products is solved due to the basic manual operation.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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 of the 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:
the production and manufacturing method of the ultra-high voltage industrial alumina cylindrical head porcelain insulator comprises the following raw materials in parts by weight: 15% of kaolinite type clay, 15% of quartz and kaolinite type clay, 25% of calcined bauxite, 25% of industrial alumina, 18% of feldspar and 2% of plasticizer.
The production method of the high-voltage industrial alumina cylindrical head porcelain insulator comprises the following steps:
s1, weighing raw materials such as kaolinite type clay, quartz and kaolinite type clay, calcined bauxite, industrial alumina, feldspar and the like for later use by adopting corresponding weighing equipment, mixing and stirring the spare raw materials by using mixing and stirring equipment, adding a plasticizer to obtain mixed mud after the mixing, carrying out a ball milling process after the mud is subjected to slurry de-ironing, carrying out fine grinding on the mud in the ball milling process, sieving the mud by 4 times through a 300-mesh sieve, and removing the iron by 4 times, and strictly controlling the iron points and the content of impurities in mud segments of refined slurry, rough slurry and vacuum pugging.
S2, the proportion of the new slurry and the old slurry is accurately controlled by a DCS, so that the proportion is consistent.
And S3, pugging the pug by a pug mill to remove a large amount of water in the pug, and feeding by the pug mill by using a manipulator to ensure uniform feeding speed.
And S4, performing water pressure treatment on the mud through a mud press, wherein the mud press adopts a secondary water pressure technology to ensure that no core mud is generated in the mud pressing process, and a plunger pump matched with the mud press adopts an intelligent variable pump, so that the power is one third of the previous power.
And S5, performing press trimming on the processed pug to form the pug, wherein the press trimming adopts a machine automatic power-assisted mode.
S6, after the blank making operation is finished, the blank is placed into a kiln to be calcined to be formed, products with unqualified sizes are removed through a blank head thickness measuring instrument, the kiln adopts the design of all-fiber cotton, the computer is used for automatic whole-process control, and the temperature of the kiln for calcining the blank is 1200-1350 ℃.
And S7, glazing and sanding the formed blank in a mode of firstly glazing umbrella disc glaze and then glazing head glaze.
And S8, cementing the blank after the glazing and sanding process, wherein the cementing adopts a visual positioning system to ensure that the centers of the steel foot, the iron cap and the porcelain piece are consistent.
And S9, curing finished products after the cementing is finished, wherein the curing process adopts water temperature of 25-35 ℃ for curing, and the water temperature curing time is 36 hours.
The second embodiment:
the production and manufacturing method of the ultra-high voltage industrial alumina cylindrical head porcelain insulator comprises the following raw materials in parts by weight: 20% of kaolinite type clay, 25% of quartz and kaolinite type clay, 20% of calcined bauxite, 25% of industrial alumina, 18% of feldspar and 2% of plasticizer.
The production and manufacturing method of the high-voltage industrial alumina cylindrical head porcelain insulator comprises the following steps:
s1, weighing raw materials such as kaolinite type clay, quartz and kaolinite type clay, calcined bauxite, industrial alumina, feldspar and the like for later use by adopting corresponding weighing equipment, mixing and stirring the spare raw materials by using mixing and stirring equipment, adding a plasticizer to obtain mixed mud after the mixing, carrying out a ball milling process after the mud is subjected to slurry de-ironing, carrying out fine grinding on the mud in the ball milling process, sieving the mud by 4 times through a 300-mesh sieve, and removing the iron by 4 times, and strictly controlling the iron points and the content of impurities in mud segments of refined slurry, rough slurry and vacuum pugging.
S2, the proportion of the new slurry and the old slurry is accurately controlled by a DCS, so that the proportion is consistent.
And S3, pugging the pug by a pug mill to remove a large amount of water in the pug, and feeding by the pug mill by using a manipulator to ensure uniform feeding speed.
And S4, performing water pressure treatment on the mud through a mud press, wherein the mud press adopts a secondary water pressure technology to ensure that no core mud is generated in the mud pressing process, and the plunger pump matched with the mud press adopts an intelligent variable pump, so that the power is one third of the previous power.
And S5, performing press trimming on the processed pug to form the pug, wherein the press trimming adopts a machine automatic power-assisted mode.
S6, after the blank making operation is finished, the blank is placed into a kiln to be calcined and formed, products with unqualified sizes are removed through a blank head thickness measuring instrument, the kiln is designed by adopting all-fiber cotton, the automatic whole-process control is realized by a computer, and the temperature of the kiln for calcining the blank is 1200-1350 ℃.
And S7, glazing and sanding the formed blank in a mode of firstly glazing umbrella disc glaze and then glazing head glaze.
And S8, cementing the blank after the glazing and sanding process, wherein a visual positioning system is adopted for cementing, so that the centers of the steel leg, the iron cap and the porcelain piece are consistent.
And S9, curing the finished product after the cementing is finished, wherein the curing process adopts water temperature curing at 25-35 ℃, and the water temperature curing time is 36 hours.
Example three:
the production and manufacturing method of the ultra-high voltage industrial alumina cylindrical head porcelain insulator comprises the following raw materials in parts by weight: 25% of kaolinite type clay, 20% of quartz and kaolinite type clay, 20% of calcined bauxite, 25% of industrial alumina, 18% of feldspar and 2% of plasticizer.
The production and manufacturing method of the high-voltage industrial alumina cylindrical head porcelain insulator comprises the following steps:
s1, weighing raw materials such as kaolinite type clay, quartz and kaolinite type clay, calcined bauxite, industrial alumina and feldspar by adopting corresponding weighing equipment for later use, mixing and stirring the raw materials for later use by mixing and stirring equipment, adding a plasticizer to obtain mixed mud, performing a ball milling process after the mud is subjected to slurry iron removal, and performing fine grinding, sieving for 4 times through 300 meshes and iron removal for 4 times through the ball milling process to strictly control the iron points and the content of impurities in mud segments of refined slurry, rough slurry and vacuum pugging.
S2, the proportion of the new slurry and the old slurry is accurately controlled by a DCS, so that the proportion is consistent.
And S3, pugging the pug by a pug mill to remove a large amount of water in the pug, and feeding by the pug mill by using a manipulator to ensure uniform feeding speed.
And S4, performing water pressure treatment on the mud through a mud press, wherein the mud press adopts a secondary water pressure technology to ensure that no core mud is generated in the mud pressing process, and a plunger pump matched with the mud press adopts an intelligent variable pump, so that the power is one third of the previous power.
And S5, performing press trimming on the processed pug to form the pug, wherein the press trimming adopts a machine automatic power-assisted mode.
S6, after the blank making operation is finished, the blank is placed into a kiln to be calcined to be formed, products with unqualified sizes are removed through a blank head thickness measuring instrument, the kiln adopts the design of all-fiber cotton, the computer is used for automatic whole-process control, and the temperature of the kiln for calcining the blank is 1200-1350 ℃.
And S7, glazing and sanding the formed blank in a mode of firstly glazing umbrella disc glaze and then glazing head glaze.
And S8, cementing the blank after the glazing and sanding process, wherein the cementing adopts a visual positioning system to ensure that the centers of the steel foot, the iron cap and the porcelain piece are consistent.
And S9, curing the finished product after the cementing is finished, wherein the curing process adopts water temperature curing at 25-35 ℃, and the water temperature curing time is 36 hours.
The invention has the beneficial effects that: in the production and processing process of the insulator, a mud press adopts a secondary water pressure technology to ensure that no core-wrapped mud is generated in the mud pressing process, fine grinding is adopted, 4-pass 300-mesh sieving is adopted, 4-pass iron removal is adopted, the content of iron points and impurities is strictly controlled by a mud section subjected to vacuum pugging, the proportion of new and old mud is accurately controlled by a DCS (distributed control system), the proportion is ensured to be consistent, a visual positioning system is adopted for cementing, the centers of steel feet, an iron cap and a porcelain piece are ensured to be consistent, products with unqualified sizes are removed by a thickness measuring instrument at the head of a blank, the production quality of the insulator is strictly controlled in the whole production process, the occurrence of inferior insulators is reduced, and the problem that the degradation rate of the insulator in operation is high due to the fact that the performance dispersibility of products is high because of basic manual operation of the existing porcelain insulator products is solved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. The term "comprising", without further limitation, means that the element so defined is not excluded from the group consisting of additional identical elements in the process, method, article, or apparatus that comprises the element.
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 production and manufacturing method of the ultra-high voltage industrial alumina cylindrical head porcelain insulator is characterized by comprising the following raw materials in parts by weight: 10 to 25 percent of kaolinite type clay, 10 to 25 percent of quartz and kaolinite type clay, 20 to 35 percent of calcined bauxite, 15 to 25 percent of industrial alumina, 10 to 20 percent of feldspar and 0.5 to 2 percent of plasticizer;
the production method of the high-voltage industrial alumina cylindrical head porcelain insulator comprises the following steps:
s1, weighing raw materials such as kaolinite type clay, quartz and kaolinite type clay, calcined bauxite, industrial alumina, feldspar and the like for later use by adopting corresponding weighing equipment, mixing and stirring the standby raw materials by using mixing and stirring equipment, adding a plasticizer, obtaining mixed pug after the completion, and performing a ball milling process after the pug is subjected to slurry iron removal;
s2, adopting a DCS (distributed control system) accurate control mode to match new slurry and old slurry to ensure the proportion to be consistent;
s3, pugging the pug by a pug mill to remove a large amount of water in the pug;
s4, performing water pressure treatment on the pug through a mud press, wherein the mud press adopts a secondary water pressure technology to ensure that no core-wrapping mud is generated in the mud pressing process;
s5, performing press trimming on the processed pug to form the pug, wherein the press trimming adopts a machine automatic power-assisted mode;
s6, after the blank making operation is finished, putting the blank into a kiln for calcining to form the blank, and removing products with unqualified sizes by using a blank head thickness measuring instrument;
s7, carrying out glazing and sanding process treatment on the formed blank, wherein a mode of firstly glazing umbrella disc glaze and then glazing head glaze is adopted;
s8, cementing the blank after the glazing and sanding process treatment;
s9, curing the finished product after the cementing is finished, wherein the curing process adopts water temperature of 25-35 ℃ for curing.
2. The method for producing the ultra-high voltage industrial alumina cylindrical head porcelain insulator according to claim 1, wherein in the step S1, the ball milling process adopts a process of fine grinding, sieving for 4 times through 300 meshes and removing iron for 4 times, and the content of iron points and impurities in mud segments of fine sizing, rough sizing and vacuum pugging is strictly controlled.
3. The method for manufacturing the extra-high voltage industrial alumina cylindrical head porcelain insulator according to claim 1, wherein the pug mill in the step S3 adopts a manipulator for feeding, so that the uniform feeding speed can be ensured.
4. The method for manufacturing the extra-high voltage industrial alumina cylindrical head porcelain insulator according to claim 1, wherein a plunger pump matched with the mud press in the step S4 is an intelligent variable pump, and the power of the plunger pump is one third of that of the plunger pump.
5. The method for manufacturing the extra-high voltage industrial alumina cylindrical porcelain insulator according to claim 1, wherein in the step S6, a kiln adopts an all-fiber cotton design, and a computer automatically controls the whole process.
6. The method for manufacturing the ultra-high voltage industrial alumina cylindrical porcelain insulator according to claim 1, wherein the temperature of the kiln for calcining the blank in the step S6 is 1200-1350 ℃.
7. The manufacturing method for the extra-high voltage industrial alumina cylindrical porcelain insulator according to claim 1, characterized in that in the step S8, a visual positioning system is adopted for cementing, and the centers of a steel foot, an iron cap and a porcelain piece are ensured to be consistent.
8. The method for producing and manufacturing the ultra-high voltage industrial alumina cylindrical porcelain insulator according to claim 1, wherein the water temperature curing time of the step S9 is 36 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210715051.7A CN115231900A (en) | 2022-06-22 | 2022-06-22 | Method for producing and manufacturing ultra-high voltage industrial alumina cylinder head porcelain insulator |
Applications Claiming Priority (1)
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| CN202210715051.7A CN115231900A (en) | 2022-06-22 | 2022-06-22 | Method for producing and manufacturing ultra-high voltage industrial alumina cylinder head porcelain insulator |
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| CN115893977A (en) * | 2022-11-18 | 2023-04-04 | 湖南阳东电瓷电气股份有限公司 | Post insulator and preparation method thereof |
| CN116924820A (en) * | 2023-06-27 | 2023-10-24 | 萍乡欧姆绝缘子有限公司 | Formula of high-performance column porcelain insulator and porcelain insulator thereof |
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