CN114853341B - Hydrophobic corrosion-resistant porcelain insulator glaze - Google Patents
Hydrophobic corrosion-resistant porcelain insulator glaze Download PDFInfo
- Publication number
- CN114853341B CN114853341B CN202210604113.7A CN202210604113A CN114853341B CN 114853341 B CN114853341 B CN 114853341B CN 202210604113 A CN202210604113 A CN 202210604113A CN 114853341 B CN114853341 B CN 114853341B
- Authority
- CN
- China
- Prior art keywords
- solid phase
- parts
- stirring
- ball
- solid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
-
- 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
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
- C04B41/5022—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials with vitreous materials
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Structural Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Insulators (AREA)
- Silicates, Zeolites, And Molecular Sieves (AREA)
Abstract
The invention discloses a hydrophobic corrosion-resistant porcelain insulator glaze, which comprises raw materials including potassium feldspar, nano silicon dioxide powder, boron oxide, ferric oxide, cerium oxide, porous calcium carbonate, chitin and zirconium silicate. The glaze prepared by the method has good mechanical properties and good hydrophobicity, sewage or acid liquor is not easy to deposit on the surface of the insulator, the service life of the insulator is prolonged, and the maintenance cost is saved.
Description
Technical Field
The invention belongs to the technical field of electrical equipment processing, and particularly relates to a hydrophobic corrosion-resistant porcelain insulator glaze.
Background
The insulator is a main body of the transmission line insulation, and is used for suspending the wire and keeping the wire insulated from the tower and the ground. The insulator is subject to not only the operating voltage and overvoltage, but also the vertical load, horizontal load and wire tension of the wire. Therefore, the insulator must have good insulating properties and sufficient mechanical strength. Meanwhile, since the insulator is installed in an open air environment, it is required to withstand weather erosion throughout the year, and thus the insulator surface is required to have certain hydrophobicity and corrosion resistance so as to improve the service life and safety of the insulator.
Disclosure of Invention
In order to achieve the technical aim, the invention provides a hydrophobic corrosion-resistant porcelain insulator glaze, which comprises raw materials including potassium feldspar, nano silicon dioxide powder, boron oxide, ferric oxide, cerium oxide, porous calcium carbonate, chitin and zirconium silicate; the preparation method of the porous calcium carbonate comprises the following steps:
1) Preparing an aqueous solution of calcium chloride, adding sodium stearate and sodium carbonate into the aqueous solution of calcium chloride, stirring the solution for more than 40 minutes after the addition is finished, filtering, washing the obtained solid phase with deionized water, and drying;
2) Calcining the dried solid phase at 400-420 ℃ for 50-60 min, and then air-cooling to normal temperature to obtain a solid phase A;
3) Dispersing the solid phase A into ethanol to form a suspension, keeping the temperature of the suspension at 70+/-5 ℃ in a water bath, continuously stirring the suspension in the heat preservation process, adding hexadecyl phosphate into the suspension in a stirring state, continuously keeping the temperature and stirring for 60-70 min after the addition is finished, then air cooling the suspension to normal temperature, carrying out solid-liquid separation, washing the solid phase with ethanol, and drying to obtain the porous calcium carbonate;
the preparation method of the nano silicon dioxide powder comprises the following steps:
preparing aqueous solution of sodium hydroxide and cetyltrimethylammonium bromide in a container, stirring the aqueous solution of sodium hydroxide and cetyltrimethylammonium bromide, adding tetraethyl orthosilicate into the solution in a stirring state, continuously stirring for 100-150 min after the addition, sealing the container after the stirring is finished, heating to 110+/-5 ℃, preserving heat for 70-80 h, then air-cooling to normal temperature, opening the container, separating solid from liquid, washing a solid phase twice with ethanol, washing 2-3 times with deionized water, and drying to obtain a solid phase B;
Step two, mixing the solid phase B, 3-aminopropyl triethoxysilane and toluene to form a mixture, heating the mixture to 50+/-5 ℃ in an oil bath, adding triethylamine into the mixture, continuously heating the mixture to 105+/-2 ℃ in the oil bath after the addition is finished, preserving heat for 5-6 hours, stirring the solution in the heat preserving process, air-cooling the mixture to normal temperature after the heat preserving is finished, separating solid from liquid, washing the solid phase with acetone for 2-3 times, and airing to obtain a solid phase C;
step three, hydroxylation modification: preparing sodium hydroxide solution, adding the solid phase C into the sodium hydroxide solution, keeping the temperature in a water bath to 80+/-5 ℃ for 2 hours, stirring the solution in the heat preservation process, air-cooling to normal temperature after heat preservation is finished, performing solid-liquid separation, washing the solid phase with deionized water, and airing to obtain the nano silicon dioxide powder.
Further, the raw materials are as follows in parts by weight: 10 parts of potassium feldspar, 7-9 parts of nano silicon dioxide powder, 2-4 parts of boron oxide, 2-4 parts of ferric oxide, 1-2 parts of cerium oxide, 5-8 parts of porous calcium carbonate, 2-3 parts of chitin and 2-3 parts of zirconium silicate.
Further, in the aqueous solution of calcium chloride, the concentration of the calcium chloride is 80-100 g/L, and the volume ratio of the added mass of the sodium stearate and the sodium carbonate to the aqueous solution of the calcium chloride is sodium stearate: sodium carbonate: aqueous solution of calcium chloride = 20-30 g: 130-150 g:1L.
Further, the solid-liquid mass ratio of the solid phase A dispersed in the ethanol is solid/liquid=6-8:100; the mass ratio of the added hexadecyl phosphate to the solid phase A is hexadecyl phosphate: solid phase a=2 to 3:6 to 8.
Further, in the aqueous solution of sodium hydroxide and cetyl trimethyl ammonium bromide, the concentration of the sodium hydroxide is 1-1.5 g/100mL, the concentration of the cetyl trimethyl ammonium bromide is 0.8-1.0 g/100mL, and the solvent is water; the mass ratio of the added tetraethyl orthosilicate to the cetyltrimethylammonium bromide in the solution is that the tetraethyl orthosilicate: cetyl trimethylammonium bromide=40 to 46g:0.8 g to 1g.
Further, the mixing amount ratio of the solid phase B, the 3-aminopropyl triethoxysilane and the toluene is that of the solid phase B: 3-aminopropyl triethoxysilane: toluene=4 to 5g: 9-10 mL:100mL, the ratio of the addition amount of the triethylamine to the toluene is triethylamine: toluene=4 to 6mL:100mL.
Further, in the hydroxylation modification step, the concentration of sodium hydroxide in the sodium hydroxide solution is 0.4-0.5 mol/L, and the solvent is water; the solid phase C is added into the sodium hydroxide solution, and the solid-liquid ratio of the solid phase C to the liquid phase C is=3-5 g to 100mL.
The invention also discloses a glazing method of the hydrophobic corrosion-resistant porcelain insulator glaze, which comprises the following steps:
1. respectively ball-milling and crushing potassium feldspar, the nano silicon dioxide powder, boron oxide, ferric oxide, cerium oxide, porous calcium carbonate and zirconium silicate, sieving with a 500-mesh sieve, collecting sieving powder as raw materials, weighing the raw materials according to the parts by weight, adding water into the uniformly mixed mixture, ball-milling to obtain glaze slurry, and glazing an insulator blank;
2. placing the glazed blank in an argon atmosphere for 60-80 min, heating to 400+/-10 ℃, and preserving heat for 2h; and heating to 1280+/-10 ℃ and sintering for 1-2 hours, and cooling to normal temperature along with a furnace to obtain the finished insulator.
Further, the ball milling process of adding water into the glaze raw material mixture comprises the following steps: the weight ratio of the material to the ball to the water is: ball: water=1:2:1; the grinding ball adopts zirconia ceramic grinding ball, the ball milling adopts a star ball mill, the rotating speed is set to be 80-100 r/min, and the ball milling time is 5-6 h.
The invention has the beneficial effects that: the glaze prepared by the method has good mechanical properties and good hydrophobicity, sewage or acid liquor is not easy to deposit on the surface of the insulator, the service life of the insulator is prolonged, and the maintenance cost is saved.
Detailed Description
The following is a detailed description of embodiments:
example 1
The raw materials of the hydrophobic corrosion-resistant porcelain insulator glaze comprise potassium feldspar, nano silicon dioxide powder, boron oxide, ferric oxide, cerium oxide, porous calcium carbonate, chitin and zirconium silicate; the raw materials are as follows in parts by weight: 10 parts of potassium feldspar, 7 parts of nano silicon dioxide powder, 2 parts of boron oxide, 2 parts of ferric oxide, 1 part of cerium dioxide, 5 parts of porous calcium carbonate, 2 parts of chitin and 2 parts of zirconium silicate.
The preparation method of the porous calcium carbonate comprises the following steps:
1) Preparing an aqueous solution of calcium chloride, wherein in the aqueous solution of calcium chloride, the concentration of calcium chloride is 80g/L, sodium stearate and sodium carbonate are added into the aqueous solution of calcium chloride, and the volume ratio of the added mass of the sodium stearate and the sodium carbonate to the aqueous solution of calcium chloride is sodium stearate: sodium carbonate: aqueous solution of calcium chloride = 20g:130g:1L; stirring the solution for 40min at 50r/min after the addition is completed, filtering, washing the obtained solid phase with deionized water for 3 times, and drying;
2) Calcining the dried solid phase at 400 ℃ for 60min, and then air-cooling to normal temperature to obtain a solid phase A;
3) Dispersing the solid phase A into ethanol to form a suspension, wherein the solid-liquid mass ratio of the solid phase A dispersed into the ethanol is solid/liquid=6:100; the suspension is subjected to water bath constant temperature to 70+/-5 ℃ and heat preservation, the suspension is continuously stirred at the speed of 50r/min in the heat preservation process, and hexadecyl phosphate is added into the suspension in a stirring state, wherein the mass ratio of the added hexadecyl phosphate to the solid phase A is hexadecyl phosphate: solid phase a=2: 6, preparing a base material; continuing to keep the temperature at 50r/min for 60min after the addition is finished, then air cooling the suspension to normal temperature, carrying out solid-liquid separation, washing the solid phase with ethanol for 3 times, and drying to obtain the porous calcium carbonate;
The preparation method of the nano silicon dioxide powder comprises the following steps:
firstly, preparing aqueous solution of sodium hydroxide and hexadecyl trimethyl ammonium bromide in a container, wherein the concentration of the sodium hydroxide is 1g/100mL, the concentration of the hexadecyl trimethyl ammonium bromide is 0.8g/100mL, and the solvent is water; stirring the aqueous solution of sodium hydroxide and cetyltrimethylammonium bromide at 50r/min, and adding tetraethyl orthosilicate into the solution in a stirring state, wherein the mass ratio of the added tetraethyl orthosilicate to the cetyltrimethylammonium bromide in the solution is tetraethyl orthosilicate: cetyl trimethylammonium bromide=40g: 0.8g; continuing stirring for 100min after the addition is completed, sealing the container after the stirring is completed, heating to 110+/-5 ℃ and preserving heat for 70h, then air-cooling to normal temperature, opening the container, performing solid-liquid separation, washing the solid phase twice with ethanol, washing the solid phase 3 times with deionized water, and drying to obtain a solid phase B;
step two, mixing the solid phase B, 3-aminopropyl triethoxysilane and toluene to form a mixture, wherein the mixing amount ratio of the solid phase B, 3-aminopropyl triethoxysilane and toluene in the mixture is as follows: 3-aminopropyl triethoxysilane: toluene=4 g:9mL:100mL; heating the mixture to 50+/-5 ℃ in an oil bath, and adding triethylamine into the mixture, wherein the addition amount of the triethylamine and the proportion of the toluene are as follows: toluene = 4mL:100mL; after the addition, continuing to heat up to 105+/-2 ℃ in an oil bath, preserving heat for 5 hours, stirring the solution at 50r/min in the heat preservation process, air-cooling the mixture to normal temperature after the heat preservation is finished, performing solid-liquid separation, washing the solid phase with acetone for 3 times, and airing to obtain a solid phase C;
Step three, hydroxylation modification: preparing a sodium hydroxide solution, wherein the concentration of sodium hydroxide in the sodium hydroxide solution is 0.5mol/L, and the solvent is water; adding the solid phase C to the sodium hydroxide solution, the solid-to-liquid ratio of the solid phase C to the sodium hydroxide solution solid/liquid = 3g:100ml; and (3) keeping the temperature in a water bath to 80+/-5 ℃ for 2 hours, stirring the solution in the heat preservation process, setting the stirring speed to 50r/min, air-cooling to normal temperature after the heat preservation is finished, performing solid-liquid separation, washing the solid phase with deionized water for 3 times, and airing to obtain the nano silicon dioxide powder.
Glazing the hydrophobic corrosion-resistant porcelain insulator glaze, which comprises the following steps:
1. respectively ball-milling and crushing potassium feldspar, the nano silicon dioxide powder, boron oxide, ferric oxide, cerium dioxide, porous calcium carbonate and zirconium silicate, sieving with a 500-mesh sieve, collecting sieving powder as raw materials, weighing the raw materials according to the parts by weight, adding water into the mixture after uniformly mixing the raw materials, and ball-milling, wherein the ball-milling process comprises the following steps: the weight ratio of the material to the ball to the water is: ball: water=1:2:1; the grinding ball adopts zirconia ceramic grinding ball, the ball milling adopts a star-shaped ball mill, the rotating speed is set to 80r/min, and the ball milling time is 5h; the glaze slurry is obtained, and glazing is carried out on the insulator blank;
2. Placing the glazed blank in an argon atmosphere for 60min, heating to 400+/-10 ℃, and preserving heat for 2h; and heating to 1280+/-10 ℃ and sintering for 2 hours, and cooling to normal temperature along with a furnace to obtain the finished insulator product.
Example 2
The raw materials of the hydrophobic corrosion-resistant porcelain insulator glaze comprise potassium feldspar, nano silicon dioxide powder, boron oxide, ferric oxide, cerium oxide, porous calcium carbonate, chitin and zirconium silicate; the raw materials are as follows in parts by weight: 10 parts of potassium feldspar, 8 parts of nano silicon dioxide powder, 3 parts of boron oxide, 3 parts of ferric oxide, 1 part of cerium dioxide, 6 parts of porous calcium carbonate, 2 parts of chitin and 2 parts of zirconium silicate.
The preparation method of the porous calcium carbonate comprises the following steps:
1) Preparing an aqueous solution of calcium chloride, wherein in the aqueous solution of calcium chloride, the concentration of calcium chloride is 80g/L, sodium stearate and sodium carbonate are added into the aqueous solution of calcium chloride, and the volume ratio of the added mass of the sodium stearate and the sodium carbonate to the aqueous solution of calcium chloride is sodium stearate: sodium carbonate: aqueous solution of calcium chloride = 24g:140g:1L; stirring the solution for 40min at 50r/min after the addition is completed, filtering, washing the obtained solid phase with deionized water for 3 times, and drying;
2) Calcining the dried solid phase at 400 ℃ for 60min, and then air-cooling to normal temperature to obtain a solid phase A;
3) Dispersing the solid phase A into ethanol to form a suspension, wherein the solid-liquid mass ratio of the solid phase A dispersed into the ethanol is solid/liquid=6:100; the suspension is subjected to water bath constant temperature to 70+/-5 ℃ and heat preservation, the suspension is continuously stirred at the speed of 50r/min in the heat preservation process, and hexadecyl phosphate is added into the suspension in a stirring state, wherein the mass ratio of the added hexadecyl phosphate to the solid phase A is hexadecyl phosphate: solid phase a=2: 6, preparing a base material; continuing to keep the temperature at 50r/min for 60min after the addition is finished, then air cooling the suspension to normal temperature, carrying out solid-liquid separation, washing the solid phase with ethanol for 3 times, and drying to obtain the porous calcium carbonate;
the preparation method of the nano silicon dioxide powder comprises the following steps:
firstly, preparing aqueous solution of sodium hydroxide and hexadecyl trimethyl ammonium bromide in a container, wherein the concentration of the sodium hydroxide is 1g/100mL, the concentration of the hexadecyl trimethyl ammonium bromide is 0.8g/100mL, and the solvent is water; stirring the aqueous solution of sodium hydroxide and cetyltrimethylammonium bromide at 50r/min, and adding tetraethyl orthosilicate into the solution in a stirring state, wherein the mass ratio of the added tetraethyl orthosilicate to the cetyltrimethylammonium bromide in the solution is tetraethyl orthosilicate: cetyl trimethylammonium bromide=42 g:0.8g; continuing stirring for 100min after the addition is completed, sealing the container after the stirring is completed, heating to 110+/-5 ℃ and preserving heat for 70h, then air-cooling to normal temperature, opening the container, performing solid-liquid separation, washing the solid phase twice with ethanol, washing the solid phase 3 times with deionized water, and drying to obtain a solid phase B;
Step two, mixing the solid phase B, 3-aminopropyl triethoxysilane and toluene to form a mixture, wherein the mixing amount ratio of the solid phase B, 3-aminopropyl triethoxysilane and toluene in the mixture is as follows: 3-aminopropyl triethoxysilane: toluene=4 g:9mL:100mL; heating the mixture to 50+/-5 ℃ in an oil bath, and adding triethylamine into the mixture, wherein the addition amount of the triethylamine and the proportion of the toluene are as follows: toluene = 5mL:100mL; after the addition, continuing to heat up to 105+/-2 ℃ in an oil bath, preserving heat for 5 hours, stirring the solution at 50r/min in the heat preservation process, air-cooling the mixture to normal temperature after the heat preservation is finished, performing solid-liquid separation, washing the solid phase with acetone for 3 times, and airing to obtain a solid phase C;
step three, hydroxylation modification: preparing a sodium hydroxide solution, wherein the concentration of sodium hydroxide in the sodium hydroxide solution is 0.5mol/L, and the solvent is water; adding the solid phase C to the sodium hydroxide solution, the solid-to-liquid ratio of the solid phase C to the sodium hydroxide solution solid/liquid = 3g:100ml; and (3) keeping the temperature in a water bath to 80+/-5 ℃ for 2 hours, stirring the solution in the heat preservation process, setting the stirring speed to 50r/min, air-cooling to normal temperature after the heat preservation is finished, performing solid-liquid separation, washing the solid phase with deionized water for 3 times, and airing to obtain the nano silicon dioxide powder.
Glazing the hydrophobic corrosion-resistant porcelain insulator glaze, which comprises the following steps:
1. respectively ball-milling and crushing potassium feldspar, the nano silicon dioxide powder, boron oxide, ferric oxide, cerium dioxide, porous calcium carbonate and zirconium silicate, sieving with a 500-mesh sieve, collecting sieving powder as raw materials, weighing the raw materials according to the parts by weight, adding water into the mixture after uniformly mixing the raw materials, and ball-milling, wherein the ball-milling process comprises the following steps: the weight ratio of the material to the ball to the water is: ball: water=1:2:1; the grinding ball adopts zirconia ceramic grinding ball, the ball milling adopts a star-shaped ball mill, the rotating speed is set to 80r/min, and the ball milling time is 5h; the glaze slurry is obtained, and glazing is carried out on the insulator blank;
2. placing the glazed blank in an argon atmosphere for 60min, heating to 400+/-10 ℃, and preserving heat for 2h; and heating to 1280+/-10 ℃ and sintering for 2 hours, and cooling to normal temperature along with a furnace to obtain the finished insulator product.
Example 3
The raw materials of the hydrophobic corrosion-resistant porcelain insulator glaze comprise potassium feldspar, nano silicon dioxide powder, boron oxide, ferric oxide, cerium oxide, porous calcium carbonate, chitin and zirconium silicate; the raw materials are as follows in parts by weight: 10 parts of potassium feldspar, 8 parts of nano silicon dioxide powder, 3 parts of boron oxide, 3 parts of ferric oxide, 2 parts of cerium dioxide, 7 parts of porous calcium carbonate, 3 parts of chitin and 3 parts of zirconium silicate.
The preparation method of the porous calcium carbonate comprises the following steps:
1) Preparing an aqueous solution of calcium chloride, wherein in the aqueous solution of calcium chloride, the concentration of calcium chloride is 80g/L, sodium stearate and sodium carbonate are added into the aqueous solution of calcium chloride, and the volume ratio of the added mass of the sodium stearate and the sodium carbonate to the aqueous solution of calcium chloride is sodium stearate: sodium carbonate: aqueous solution of calcium chloride = 27g:140g:1L; stirring the solution for 40min at 50r/min after the addition is completed, filtering, washing the obtained solid phase with deionized water for 3 times, and drying;
2) Calcining the dried solid phase at 420 ℃ for 50min, and then air-cooling to normal temperature to obtain a solid phase A;
3) Dispersing the solid phase A into ethanol to form a suspension, wherein the solid-liquid mass ratio of the solid phase A dispersed into the ethanol is solid/liquid=6:100; the suspension is subjected to water bath constant temperature to 70+/-5 ℃ and heat preservation, the suspension is continuously stirred at the speed of 50r/min in the heat preservation process, and hexadecyl phosphate is added into the suspension in a stirring state, wherein the mass ratio of the added hexadecyl phosphate to the solid phase A is hexadecyl phosphate: solid phase a=3: 6, preparing a base material; continuing to keep the temperature at 50r/min for 60min after the addition is finished, then air cooling the suspension to normal temperature, carrying out solid-liquid separation, washing the solid phase with ethanol for 3 times, and drying to obtain the porous calcium carbonate;
The preparation method of the nano silicon dioxide powder comprises the following steps:
firstly, preparing aqueous solution of sodium hydroxide and hexadecyl trimethyl ammonium bromide in a container, wherein the concentration of the sodium hydroxide is 1g/100mL, the concentration of the hexadecyl trimethyl ammonium bromide is 0.8g/100mL, and the solvent is water; stirring the aqueous solution of sodium hydroxide and cetyltrimethylammonium bromide at 50r/min, and adding tetraethyl orthosilicate into the solution in a stirring state, wherein the mass ratio of the added tetraethyl orthosilicate to the cetyltrimethylammonium bromide in the solution is tetraethyl orthosilicate: cetyl trimethylammonium bromide=44 g:0.8g; continuing stirring for 100min after the addition is completed, sealing the container after the stirring is completed, heating to 110+/-5 ℃ and preserving heat for 70h, then air-cooling to normal temperature, opening the container, performing solid-liquid separation, washing the solid phase twice with ethanol, washing the solid phase 3 times with deionized water, and drying to obtain a solid phase B;
step two, mixing the solid phase B, 3-aminopropyl triethoxysilane and toluene to form a mixture, wherein the mixing amount ratio of the solid phase B, 3-aminopropyl triethoxysilane and toluene in the mixture is as follows: 3-aminopropyl triethoxysilane: toluene=5 g:10mL:100mL; heating the mixture to 50+/-5 ℃ in an oil bath, and adding triethylamine into the mixture, wherein the addition amount of the triethylamine and the proportion of the toluene are as follows: toluene = 5mL:100mL; after the addition, continuing to heat up to 105+/-2 ℃ in an oil bath, preserving heat for 5 hours, stirring the solution at 50r/min in the heat preservation process, air-cooling the mixture to normal temperature after the heat preservation is finished, performing solid-liquid separation, washing the solid phase with acetone for 3 times, and airing to obtain a solid phase C;
Step three, hydroxylation modification: preparing a sodium hydroxide solution, wherein the concentration of sodium hydroxide in the sodium hydroxide solution is 0.5mol/L, and the solvent is water; adding the solid phase C to the sodium hydroxide solution, the solid-to-liquid ratio of the solid phase C to the sodium hydroxide solution solid/liquid = 3g:100ml; and (3) keeping the temperature in a water bath to 80+/-5 ℃ for 2 hours, stirring the solution in the heat preservation process, setting the stirring speed to 50r/min, air-cooling to normal temperature after the heat preservation is finished, performing solid-liquid separation, washing the solid phase with deionized water for 3 times, and airing to obtain the nano silicon dioxide powder.
Glazing the hydrophobic corrosion-resistant porcelain insulator glaze, which comprises the following steps:
1. respectively ball-milling and crushing potassium feldspar, the nano silicon dioxide powder, boron oxide, ferric oxide, cerium dioxide, porous calcium carbonate and zirconium silicate, sieving with a 500-mesh sieve, collecting sieving powder as raw materials, weighing the raw materials according to the parts by weight, adding water into the mixture after uniformly mixing the raw materials, and ball-milling, wherein the ball-milling process comprises the following steps: the weight ratio of the material to the ball to the water is: ball: water=1:2:1; the grinding ball adopts zirconia ceramic grinding ball, the ball milling adopts a star-shaped ball mill, the rotating speed is set to 80r/min, and the ball milling time is 5h; the glaze slurry is obtained, and glazing is carried out on the insulator blank;
2. Placing the glazed blank in an argon atmosphere for 60min, heating to 400+/-10 ℃, and preserving heat for 2h; and heating to 1280+/-10 ℃ and sintering for 2 hours, and cooling to normal temperature along with a furnace to obtain the finished insulator product.
Example 4
The raw materials of the hydrophobic corrosion-resistant porcelain insulator glaze comprise potassium feldspar, nano silicon dioxide powder, boron oxide, ferric oxide, cerium oxide, porous calcium carbonate, chitin and zirconium silicate; the raw materials are as follows in parts by weight: 10 parts of potassium feldspar, 9 parts of nano silicon dioxide powder, 4 parts of boron oxide, 4 parts of ferric oxide, 2 parts of cerium dioxide, 8 parts of porous calcium carbonate, 3 parts of chitin and 3 parts of zirconium silicate.
The preparation method of the porous calcium carbonate comprises the following steps:
1) Preparing an aqueous solution of calcium chloride, wherein in the aqueous solution of calcium chloride, the concentration of calcium chloride is 80g/L, sodium stearate and sodium carbonate are added into the aqueous solution of calcium chloride, and the volume ratio of the added mass of the sodium stearate and the sodium carbonate to the aqueous solution of calcium chloride is sodium stearate: sodium carbonate: aqueous solution of calcium chloride = 30g:150g:1L; stirring the solution for 40min at 50r/min after the addition is completed, filtering, washing the obtained solid phase with deionized water for 3 times, and drying;
2) Calcining the dried solid phase at 420 ℃ for 50min, and then air-cooling to normal temperature to obtain a solid phase A;
3) Dispersing the solid phase A into ethanol to form a suspension, wherein the solid-liquid mass ratio of the solid phase A dispersed into the ethanol is solid/liquid=6:100; the suspension is subjected to water bath constant temperature to 70+/-5 ℃ and heat preservation, the suspension is continuously stirred at the speed of 50r/min in the heat preservation process, and hexadecyl phosphate is added into the suspension in a stirring state, wherein the mass ratio of the added hexadecyl phosphate to the solid phase A is hexadecyl phosphate: solid phase a=3: 6, preparing a base material; continuing to keep the temperature at 50r/min for 60min after the addition is finished, then air cooling the suspension to normal temperature, carrying out solid-liquid separation, washing the solid phase with ethanol for 3 times, and drying to obtain the porous calcium carbonate;
the preparation method of the nano silicon dioxide powder comprises the following steps:
firstly, preparing aqueous solution of sodium hydroxide and hexadecyl trimethyl ammonium bromide in a container, wherein the concentration of the sodium hydroxide is 1g/100mL, the concentration of the hexadecyl trimethyl ammonium bromide is 0.8g/100mL, and the solvent is water; stirring the aqueous solution of sodium hydroxide and cetyltrimethylammonium bromide at 50r/min, and adding tetraethyl orthosilicate into the solution in a stirring state, wherein the mass ratio of the added tetraethyl orthosilicate to the cetyltrimethylammonium bromide in the solution is tetraethyl orthosilicate: cetyl trimethylammonium bromide=46 g:0.8g; continuing stirring for 100min after the addition is completed, sealing the container after the stirring is completed, heating to 110+/-5 ℃ and preserving heat for 70h, then air-cooling to normal temperature, opening the container, performing solid-liquid separation, washing the solid phase twice with ethanol, washing the solid phase 3 times with deionized water, and drying to obtain a solid phase B;
Step two, mixing the solid phase B, 3-aminopropyl triethoxysilane and toluene to form a mixture, wherein the mixing amount ratio of the solid phase B, 3-aminopropyl triethoxysilane and toluene in the mixture is as follows: 3-aminopropyl triethoxysilane: toluene=5 g:10mL:100mL; heating the mixture to 50+/-5 ℃ in an oil bath, and adding triethylamine into the mixture, wherein the addition amount of the triethylamine and the proportion of the toluene are as follows: toluene = 6mL:100mL; after the addition, continuing to heat up to 105+/-2 ℃ in an oil bath, preserving heat for 5 hours, stirring the solution at 50r/min in the heat preservation process, air-cooling the mixture to normal temperature after the heat preservation is finished, performing solid-liquid separation, washing the solid phase with acetone for 3 times, and airing to obtain a solid phase C;
step three, hydroxylation modification: preparing a sodium hydroxide solution, wherein the concentration of sodium hydroxide in the sodium hydroxide solution is 0.5mol/L, and the solvent is water; adding the solid phase C to the sodium hydroxide solution, the solid-to-liquid ratio of the solid phase C to the sodium hydroxide solution solid/liquid = 3g:100ml; and (3) keeping the temperature in a water bath to 80+/-5 ℃ for 2 hours, stirring the solution in the heat preservation process, setting the stirring speed to 50r/min, air-cooling to normal temperature after the heat preservation is finished, performing solid-liquid separation, washing the solid phase with deionized water for 3 times, and airing to obtain the nano silicon dioxide powder.
Glazing the hydrophobic corrosion-resistant porcelain insulator glaze, which comprises the following steps:
1. respectively ball-milling and crushing potassium feldspar, the nano silicon dioxide powder, boron oxide, ferric oxide, cerium dioxide, porous calcium carbonate and zirconium silicate, sieving with a 500-mesh sieve, collecting sieving powder as raw materials, weighing the raw materials according to the parts by weight, adding water into the mixture after uniformly mixing the raw materials, and ball-milling, wherein the ball-milling process comprises the following steps: the weight ratio of the material to the ball to the water is: ball: water=1:2:1; the grinding ball adopts zirconia ceramic grinding ball, the ball milling adopts a star-shaped ball mill, the rotating speed is set to 80r/min, and the ball milling time is 5h; the glaze slurry is obtained, and glazing is carried out on the insulator blank;
2. placing the glazed blank in an argon atmosphere for 60min, heating to 400+/-10 ℃, and preserving heat for 2h; and heating to 1280+/-10 ℃ and sintering for 2 hours, and cooling to normal temperature along with a furnace to obtain the finished insulator product.
Comparative example 1
A porcelain insulator glaze as a comparison, the raw materials including potassium feldspar, silicon dioxide powder (commercially available, chemical, analytical pure), boron oxide, ferric oxide, cerium oxide, porous calcium carbonate, chitin and zirconium silicate; the raw materials are as follows in parts by weight: 10 parts of potassium feldspar, 8 parts of silicon dioxide powder, 3 parts of boron oxide, 3 parts of ferric oxide, 2 parts of cerium dioxide, 7 parts of porous calcium carbonate, 3 parts of chitin and 3 parts of zirconium silicate.
The preparation method of the porous calcium carbonate comprises the following steps:
1) Preparing an aqueous solution of calcium chloride, wherein in the aqueous solution of calcium chloride, the concentration of calcium chloride is 80g/L, sodium stearate and sodium carbonate are added into the aqueous solution of calcium chloride, and the volume ratio of the added mass of the sodium stearate and the sodium carbonate to the aqueous solution of calcium chloride is sodium stearate: sodium carbonate: aqueous solution of calcium chloride = 27g:140g:1L; stirring the solution for 40min at 50r/min after the addition is completed, filtering, washing the obtained solid phase with deionized water for 3 times, and drying;
2) Calcining the dried solid phase at 420 ℃ for 50min, and then air-cooling to normal temperature to obtain a solid phase A;
3) Dispersing the solid phase A into ethanol to form a suspension, wherein the solid-liquid mass ratio of the solid phase A dispersed into the ethanol is solid/liquid=6:100; the suspension is subjected to water bath constant temperature to 70+/-5 ℃ and heat preservation, the suspension is continuously stirred at the speed of 50r/min in the heat preservation process, and hexadecyl phosphate is added into the suspension in a stirring state, wherein the mass ratio of the added hexadecyl phosphate to the solid phase A is hexadecyl phosphate: solid phase a=3: 6, preparing a base material; continuing to keep the temperature at 50r/min for 60min after the addition is finished, then air cooling the suspension to normal temperature, carrying out solid-liquid separation, washing the solid phase with ethanol for 3 times, and drying to obtain the porous calcium carbonate;
Glazing the hydrophobic corrosion-resistant porcelain insulator glaze, which comprises the following steps:
1. respectively ball-milling and crushing potassium feldspar, silicon dioxide powder, boron oxide, ferric oxide, cerium oxide, porous calcium carbonate and zirconium silicate, sieving with a 500-mesh sieve, collecting sieving powder as raw materials, weighing the raw materials according to the parts by weight, adding water into the mixture after the raw materials are uniformly mixed, and ball-milling, wherein the ball-milling process comprises the following steps: the weight ratio of the material to the ball to the water is: ball: water=1:2:1; the grinding ball adopts zirconia ceramic grinding ball, the ball milling adopts a star-shaped ball mill, the rotating speed is set to 80r/min, and the ball milling time is 5h; the glaze slurry is obtained, and glazing is carried out on the insulator blank;
2. placing the glazed blank in an argon atmosphere for 60min, heating to 400+/-10 ℃, and preserving heat for 2h; and heating to 1280+/-10 ℃ and sintering for 2 hours, and cooling to normal temperature along with a furnace to obtain the finished insulator product of the comparative example.
Comparative example 2
The porcelain insulator glaze for comparison comprises potassium feldspar, nano silicon dioxide powder, boron oxide, ferric oxide, cerium dioxide, calcium carbonate powder (commercially available, crystal chemical industry, analytical purity), chitin and zirconium silicate as raw materials; the raw materials are as follows in parts by weight: 10 parts of potassium feldspar, 8 parts of nano silicon dioxide powder, 3 parts of boron oxide, 3 parts of ferric oxide, 2 parts of cerium dioxide, 7 parts of calcium carbonate powder, 3 parts of chitin and 3 parts of zirconium silicate.
The preparation method of the nano silicon dioxide powder comprises the following steps:
firstly, preparing aqueous solution of sodium hydroxide and hexadecyl trimethyl ammonium bromide in a container, wherein the concentration of the sodium hydroxide is 1g/100mL, the concentration of the hexadecyl trimethyl ammonium bromide is 0.8g/100mL, and the solvent is water; stirring the aqueous solution of sodium hydroxide and cetyltrimethylammonium bromide at 50r/min, and adding tetraethyl orthosilicate into the solution in a stirring state, wherein the mass ratio of the added tetraethyl orthosilicate to the cetyltrimethylammonium bromide in the solution is tetraethyl orthosilicate: cetyl trimethylammonium bromide=44 g:0.8g; continuing stirring for 100min after the addition is completed, sealing the container after the stirring is completed, heating to 110+/-5 ℃ and preserving heat for 70h, then air-cooling to normal temperature, opening the container, performing solid-liquid separation, washing the solid phase twice with ethanol, washing the solid phase 3 times with deionized water, and drying to obtain a solid phase B;
step two, mixing the solid phase B, 3-aminopropyl triethoxysilane and toluene to form a mixture, wherein the mixing amount ratio of the solid phase B, 3-aminopropyl triethoxysilane and toluene in the mixture is as follows: 3-aminopropyl triethoxysilane: toluene=5 g:10mL:100mL; heating the mixture to 50+/-5 ℃ in an oil bath, and adding triethylamine into the mixture, wherein the addition amount of the triethylamine and the proportion of the toluene are as follows: toluene = 5mL:100mL; after the addition, continuing to heat up to 105+/-2 ℃ in an oil bath, preserving heat for 5 hours, stirring the solution at 50r/min in the heat preservation process, air-cooling the mixture to normal temperature after the heat preservation is finished, performing solid-liquid separation, washing the solid phase with acetone for 3 times, and airing to obtain a solid phase C;
Step three, hydroxylation modification: preparing a sodium hydroxide solution, wherein the concentration of sodium hydroxide in the sodium hydroxide solution is 0.5mol/L, and the solvent is water; adding the solid phase C to the sodium hydroxide solution, the solid-to-liquid ratio of the solid phase C to the sodium hydroxide solution solid/liquid = 3g:100ml; and (3) keeping the temperature in a water bath to 80+/-5 ℃ for 2 hours, stirring the solution in the heat preservation process, setting the stirring speed to 50r/min, air-cooling to normal temperature after the heat preservation is finished, performing solid-liquid separation, washing the solid phase with deionized water for 3 times, and airing to obtain the nano silicon dioxide powder.
Glazing the hydrophobic corrosion-resistant porcelain insulator glaze, which comprises the following steps:
1. respectively ball-milling and crushing potassium feldspar, the nano silicon dioxide powder, boron oxide, ferric oxide, cerium dioxide, calcium carbonate powder and zirconium silicate, sieving with a 500-mesh sieve, collecting sieving powder as raw materials, weighing the raw materials according to the parts by weight, adding water into the mixture after the raw materials are uniformly mixed, and then ball-milling, wherein the ball-milling process comprises the following steps: the weight ratio of the material to the ball to the water is: ball: water=1:2:1; the grinding ball adopts zirconia ceramic grinding ball, the ball milling adopts a star-shaped ball mill, the rotating speed is set to 80r/min, and the ball milling time is 5h; the glaze slurry is obtained, and glazing is carried out on the insulator blank;
2. Placing the glazed blank in an argon atmosphere for 60min, heating to 400+/-10 ℃, and preserving heat for 2h; and heating to 1280+/-10 ℃ and sintering for 2 hours, and cooling to normal temperature along with a furnace to obtain the finished insulator product of the comparative example.
Comparative example 3
The porcelain insulator glaze for comparison comprises potassium feldspar, nano silicon dioxide powder, boron oxide, ferric oxide, cerium oxide, calcium carbonate, chitin and zirconium silicate as raw materials; the raw materials are as follows in parts by weight: 10 parts of potassium feldspar, 8 parts of nano silicon dioxide powder, 3 parts of boron oxide, 3 parts of ferric oxide, 2 parts of cerium dioxide, 7 parts of calcium carbonate, 3 parts of chitin and 3 parts of zirconium silicate.
The preparation method of the calcium carbonate in the comparative example comprises the following steps:
1) Preparing an aqueous solution of calcium chloride, wherein in the aqueous solution of calcium chloride, the concentration of calcium chloride is 80g/L, sodium stearate and sodium carbonate are added into the aqueous solution of calcium chloride, and the volume ratio of the added mass of the sodium stearate and the sodium carbonate to the aqueous solution of calcium chloride is sodium stearate: sodium carbonate: aqueous solution of calcium chloride = 27g:140g:1L; stirring the solution for 40min at 50r/min after the addition is completed, filtering, washing the obtained solid phase with deionized water for 3 times, and drying;
2) Calcining the dried solid phase at 420 ℃ for 50min, then air-cooling to normal temperature, washing with ethanol for 3 times, and drying to obtain the calcium carbonate of the comparative example.
The preparation method of the nano silicon dioxide powder comprises the following steps:
firstly, preparing aqueous solution of sodium hydroxide and hexadecyl trimethyl ammonium bromide in a container, wherein the concentration of the sodium hydroxide is 1g/100mL, the concentration of the hexadecyl trimethyl ammonium bromide is 0.8g/100mL, and the solvent is water; stirring the aqueous solution of sodium hydroxide and cetyltrimethylammonium bromide at 50r/min, and adding tetraethyl orthosilicate into the solution in a stirring state, wherein the mass ratio of the added tetraethyl orthosilicate to the cetyltrimethylammonium bromide in the solution is tetraethyl orthosilicate: cetyl trimethylammonium bromide=44 g:0.8g; continuing stirring for 100min after the addition is completed, sealing the container after the stirring is completed, heating to 110+/-5 ℃ and preserving heat for 70h, then air-cooling to normal temperature, opening the container, performing solid-liquid separation, washing the solid phase twice with ethanol, washing the solid phase 3 times with deionized water, and drying to obtain a solid phase B;
step two, mixing the solid phase B, 3-aminopropyl triethoxysilane and toluene to form a mixture, wherein the mixing amount ratio of the solid phase B, 3-aminopropyl triethoxysilane and toluene in the mixture is as follows: 3-aminopropyl triethoxysilane: toluene=5 g:10mL:100mL; heating the mixture to 50+/-5 ℃ in an oil bath, and adding triethylamine into the mixture, wherein the addition amount of the triethylamine and the proportion of the toluene are as follows: toluene = 5mL:100mL; after the addition, continuing to heat up to 105+/-2 ℃ in an oil bath, preserving heat for 5 hours, stirring the solution at 50r/min in the heat preservation process, air-cooling the mixture to normal temperature after the heat preservation is finished, performing solid-liquid separation, washing the solid phase with acetone for 3 times, and airing to obtain a solid phase C;
Step three, hydroxylation modification: preparing a sodium hydroxide solution, wherein the concentration of sodium hydroxide in the sodium hydroxide solution is 0.5mol/L, and the solvent is water; adding the solid phase C to the sodium hydroxide solution, the solid-to-liquid ratio of the solid phase C to the sodium hydroxide solution solid/liquid = 3g:100ml; and (3) keeping the temperature in a water bath to 80+/-5 ℃ for 2 hours, stirring the solution in the heat preservation process, setting the stirring speed to 50r/min, air-cooling to normal temperature after the heat preservation is finished, performing solid-liquid separation, washing the solid phase with deionized water for 3 times, and airing to obtain the nano silicon dioxide powder.
Glazing the hydrophobic corrosion-resistant porcelain insulator glaze, which comprises the following steps:
1. respectively ball-milling and crushing potassium feldspar, the nano silicon dioxide powder, boron oxide, ferric oxide, cerium dioxide, calcium carbonate and zirconium silicate, sieving with a 500-mesh sieve, collecting sieving powder as raw materials, weighing the raw materials according to the parts by weight, adding water into the mixture after the raw materials are uniformly mixed, and then ball-milling, wherein the ball-milling process comprises the following steps: the weight ratio of the material to the ball to the water is: ball: water=1:2:1; the grinding ball adopts zirconia ceramic grinding ball, the ball milling adopts a star-shaped ball mill, the rotating speed is set to 80r/min, and the ball milling time is 5h; the glaze slurry is obtained, and glazing is carried out on the insulator blank;
2. Placing the glazed blank in an argon atmosphere for 60min, heating to 400+/-10 ℃, and preserving heat for 2h; and heating to 1280+/-10 ℃ and sintering for 2 hours, and cooling to normal temperature along with a furnace to obtain the finished insulator product of the comparative example.
Comparative example 4
The porcelain insulator glaze for comparison comprises potassium feldspar, nano silicon dioxide powder, boron oxide, ferric oxide, cerium oxide, porous calcium carbonate and zirconium silicate as raw materials; the raw materials are as follows in parts by weight: 10 parts of potassium feldspar, 8 parts of nano silicon dioxide powder, 3 parts of boron oxide, 3 parts of ferric oxide, 2 parts of cerium dioxide, 7 parts of porous calcium carbonate and 3 parts of zirconium silicate.
The preparation method of the porous calcium carbonate comprises the following steps:
1) Preparing an aqueous solution of calcium chloride, wherein in the aqueous solution of calcium chloride, the concentration of calcium chloride is 80g/L, sodium stearate and sodium carbonate are added into the aqueous solution of calcium chloride, and the volume ratio of the added mass of the sodium stearate and the sodium carbonate to the aqueous solution of calcium chloride is sodium stearate: sodium carbonate: aqueous solution of calcium chloride = 27g:140g:1L; stirring the solution for 40min at 50r/min after the addition is completed, filtering, washing the obtained solid phase with deionized water for 3 times, and drying;
2) Calcining the dried solid phase at 420 ℃ for 50min, and then air-cooling to normal temperature to obtain a solid phase A;
3) Dispersing the solid phase A into ethanol to form a suspension, wherein the solid-liquid mass ratio of the solid phase A dispersed into the ethanol is solid/liquid=6:100; the suspension is subjected to water bath constant temperature to 70+/-5 ℃ and heat preservation, the suspension is continuously stirred at the speed of 50r/min in the heat preservation process, and hexadecyl phosphate is added into the suspension in a stirring state, wherein the mass ratio of the added hexadecyl phosphate to the solid phase A is hexadecyl phosphate: solid phase a=3: 6, preparing a base material; continuing to keep the temperature at 50r/min for 60min after the addition is finished, then air cooling the suspension to normal temperature, carrying out solid-liquid separation, washing the solid phase with ethanol for 3 times, and drying to obtain the porous calcium carbonate;
the preparation method of the nano silicon dioxide powder comprises the following steps:
firstly, preparing aqueous solution of sodium hydroxide and hexadecyl trimethyl ammonium bromide in a container, wherein the concentration of the sodium hydroxide is 1g/100mL, the concentration of the hexadecyl trimethyl ammonium bromide is 0.8g/100mL, and the solvent is water; stirring the aqueous solution of sodium hydroxide and cetyltrimethylammonium bromide at 50r/min, and adding tetraethyl orthosilicate into the solution in a stirring state, wherein the mass ratio of the added tetraethyl orthosilicate to the cetyltrimethylammonium bromide in the solution is tetraethyl orthosilicate: cetyl trimethylammonium bromide=44 g:0.8g; continuing stirring for 100min after the addition is completed, sealing the container after the stirring is completed, heating to 110+/-5 ℃ and preserving heat for 70h, then air-cooling to normal temperature, opening the container, performing solid-liquid separation, washing the solid phase twice with ethanol, washing the solid phase 3 times with deionized water, and drying to obtain a solid phase B;
Step two, mixing the solid phase B, 3-aminopropyl triethoxysilane and toluene to form a mixture, wherein the mixing amount ratio of the solid phase B, 3-aminopropyl triethoxysilane and toluene in the mixture is as follows: 3-aminopropyl triethoxysilane: toluene=5 g:10mL:100mL; heating the mixture to 50+/-5 ℃ in an oil bath, and adding triethylamine into the mixture, wherein the addition amount of the triethylamine and the proportion of the toluene are as follows: toluene = 5mL:100mL; after the addition, continuing to heat up to 105+/-2 ℃ in an oil bath, preserving heat for 5 hours, stirring the solution at 50r/min in the heat preservation process, air-cooling the mixture to normal temperature after the heat preservation is finished, performing solid-liquid separation, washing the solid phase with acetone for 3 times, and airing to obtain a solid phase C;
step three, hydroxylation modification: preparing a sodium hydroxide solution, wherein the concentration of sodium hydroxide in the sodium hydroxide solution is 0.5mol/L, and the solvent is water; adding the solid phase C to the sodium hydroxide solution, the solid-to-liquid ratio of the solid phase C to the sodium hydroxide solution solid/liquid = 3g:100ml; and (3) keeping the temperature in a water bath to 80+/-5 ℃ for 2 hours, stirring the solution in the heat preservation process, setting the stirring speed to 50r/min, air-cooling to normal temperature after the heat preservation is finished, performing solid-liquid separation, washing the solid phase with deionized water for 3 times, and airing to obtain the nano silicon dioxide powder.
Glazing the hydrophobic corrosion-resistant porcelain insulator glaze, which comprises the following steps:
1. respectively ball-milling and crushing potassium feldspar, the nano silicon dioxide powder, boron oxide, ferric oxide, cerium dioxide, porous calcium carbonate and zirconium silicate, sieving with a 500-mesh sieve, collecting sieving powder as raw materials, weighing the raw materials according to the parts by weight, adding water into the mixture after uniformly mixing the raw materials, and ball-milling, wherein the ball-milling process comprises the following steps: the weight ratio of the material to the ball to the water is: ball: water=1:2:1; the grinding ball adopts zirconia ceramic grinding ball, the ball milling adopts a star-shaped ball mill, the rotating speed is set to 80r/min, and the ball milling time is 5h; the glaze slurry is obtained, and glazing is carried out on the insulator blank;
2. placing the glazed blank in an argon atmosphere for 60min, heating to 400+/-10 ℃, and preserving heat for 2h; and heating to 1280+/-10 ℃ and sintering for 2 hours, and cooling to normal temperature along with a furnace to obtain the finished insulator product of the comparative example.
Example 5
The glaze of the insulators prepared in each of the above examples and comparative examples was subjected to flexural strength test and drop contact angle test, and the results are shown in table 1.
TABLE 1
| Test group | Flexural Strength/MPa | Contact angle |
| Example 1 | 209 | 141° |
| Example 2 | 214 | 143° |
| Example 3 | 217 | 144° |
| Example 4 | 211 | 143° |
| Comparative example 1 | 172 | 140° |
| Comparative example 2 | 178 | 141° |
| Comparative example 3 | 185 | 113° |
| Comparative example 4 | 202 | 109° |
As shown in Table 1, the glaze prepared by the method has good mechanical properties and good hydrophobicity, and sewage or acid liquor is not easy to deposit on the surface of the insulator, so that the service life of the insulator is prolonged, and the maintenance cost is saved.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (8)
1. The hydrophobic corrosion-resistant porcelain insulator glaze is characterized in that raw materials comprise potassium feldspar, nano silicon dioxide powder, boron oxide, ferric oxide, cerium dioxide, porous calcium carbonate, chitin and zirconium silicate; the raw materials are as follows in parts by weight: 10 parts of potassium feldspar, 7-9 parts of nano silicon dioxide powder, 2-4 parts of boron oxide, 2-4 parts of ferric oxide, 1-2 parts of cerium oxide, 5-8 parts of porous calcium carbonate, 2-3 parts of chitin and 2-3 parts of zirconium silicate; the preparation method of the porous calcium carbonate comprises the following steps:
1) Preparing an aqueous solution of calcium chloride, adding sodium stearate and sodium carbonate into the aqueous solution of calcium chloride, stirring the solution for more than 40 minutes after the addition is finished, filtering, washing the obtained solid phase with deionized water, and drying;
2) Calcining the dried solid phase at 400-420 ℃ for 50-60 min, and then air-cooling to normal temperature to obtain a solid phase A;
3) Dispersing the solid phase A into ethanol to form a suspension, keeping the temperature of the suspension at 70+/-5 ℃ in a water bath, continuously stirring the suspension in the heat preservation process, adding hexadecyl phosphate into the suspension in a stirring state, continuously keeping the temperature and stirring for 60-70 min after the addition is finished, then air cooling the suspension to normal temperature, carrying out solid-liquid separation, washing the solid phase with ethanol, and drying to obtain the porous calcium carbonate;
the preparation method of the nano silicon dioxide powder comprises the following steps:
preparing aqueous solution of sodium hydroxide and cetyltrimethylammonium bromide in a container, stirring the aqueous solution of sodium hydroxide and cetyltrimethylammonium bromide, adding tetraethyl orthosilicate into the solution in a stirring state, continuously stirring for 100-150 min after the addition, sealing the container after the stirring is finished, heating to 110+/-5 ℃, preserving heat for 70-80 h, then air-cooling to normal temperature, opening the container, separating solid from liquid, washing a solid phase twice with ethanol, washing 2-3 times with deionized water, and drying to obtain a solid phase B;
Step two, mixing the solid phase B, 3-aminopropyl triethoxysilane and toluene to form a mixture, heating the mixture to 50+/-5 ℃ in an oil bath, adding triethylamine into the mixture, continuously heating the mixture to 105+/-2 ℃ in the oil bath after the addition is finished, preserving heat for 5-6 hours, stirring the solution in the heat preserving process, air-cooling the mixture to normal temperature after the heat preserving is finished, separating solid from liquid, washing the solid phase with acetone for 2-3 times, and airing to obtain a solid phase C;
step three, hydroxylation modification: preparing sodium hydroxide solution, adding the solid phase C into the sodium hydroxide solution, keeping the temperature in a water bath to 80+/-5 ℃ for 2 hours, stirring the solution in the heat preservation process, air-cooling to normal temperature after heat preservation is finished, performing solid-liquid separation, washing the solid phase with deionized water, and airing to obtain the nano silicon dioxide powder.
2. The hydrophobic corrosion-resistant porcelain insulator glaze according to claim 1, wherein in the aqueous solution of calcium chloride, the concentration of calcium chloride is 80-100 g/L, and the ratio of the added mass of sodium stearate and sodium carbonate to the volume of the aqueous solution of calcium chloride is sodium stearate: sodium carbonate: aqueous solution of calcium chloride = 20-30 g: 130-150 g:1L.
3. The hydrophobic corrosion resistant porcelain insulator glaze according to claim 1, wherein the solid-liquid mass ratio of solid phase a dispersed in ethanol is solid/liquid=6 to 8:100; the mass ratio of the added hexadecyl phosphate to the solid phase A is hexadecyl phosphate: solid phase a=2 to 3:6 to 8.
4. The hydrophobic corrosion-resistant porcelain insulator glaze according to claim 1, wherein in the aqueous solution of sodium hydroxide and cetyltrimethylammonium bromide, the concentration of the sodium hydroxide is 1-1.5 g/100mL, the concentration of the cetyltrimethylammonium bromide is 0.8-1.0 g/100mL, and the solvent is water; the mass ratio of the added tetraethyl orthosilicate to the cetyltrimethylammonium bromide in the solution is that the tetraethyl orthosilicate: cetyl trimethylammonium bromide=40 to 46g:0.8 g to 1g.
5. The hydrophobic corrosion-resistant porcelain insulator glaze according to claim 1, wherein the mixing amount ratio of the solid phase B, 3-aminopropyl triethoxysilane and toluene is solid phase B: 3-aminopropyl triethoxysilane: toluene=4 to 5g: 9-10 mL:100mL, the ratio of the addition amount of the triethylamine to the toluene is triethylamine: toluene=4 to 6mL:100mL.
6. The hydrophobic corrosion-resistant porcelain insulator glaze according to claim 1, wherein in the hydroxylation modification step, the concentration of sodium hydroxide in the sodium hydroxide solution is 0.4-0.5 mol/L, and the solvent is water; the solid phase C is added into the sodium hydroxide solution, and the solid-liquid ratio of the solid phase C to the liquid phase C is=3-5 g to 100mL.
7. The glazing method of a hydrophobic corrosion resistant porcelain insulator glaze according to any one of claims 1 to 6, wherein the steps are:
1. respectively ball-milling and crushing potassium feldspar, the nano silicon dioxide powder, boron oxide, ferric oxide, cerium oxide, porous calcium carbonate and zirconium silicate, sieving with a 500-mesh sieve, collecting sieving powder as raw materials, weighing the raw materials according to the parts by weight, adding water into the uniformly mixed mixture, ball-milling to obtain glaze slurry, and glazing an insulator blank;
2. placing the glazed blank in an argon atmosphere for 60-80 min, heating to 400+/-10 ℃, and preserving heat for 2h; and heating to 1280+/-10 ℃ and sintering for 1-2 hours, and cooling to normal temperature along with a furnace to obtain the finished insulator.
8. The glazing method according to claim 7, wherein the ball milling process of adding water to the glaze raw material mixture is: the weight ratio of the material to the ball to the water is: ball: water=1:2:1; the grinding ball adopts zirconia ceramic grinding ball, the ball milling adopts a star ball mill, the rotating speed is set to be 80-100 r/min, and the ball milling time is 5-6 h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210604113.7A CN114853341B (en) | 2022-05-30 | 2022-05-30 | Hydrophobic corrosion-resistant porcelain insulator glaze |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210604113.7A CN114853341B (en) | 2022-05-30 | 2022-05-30 | Hydrophobic corrosion-resistant porcelain insulator glaze |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114853341A CN114853341A (en) | 2022-08-05 |
| CN114853341B true CN114853341B (en) | 2023-07-28 |
Family
ID=82641621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210604113.7A Active CN114853341B (en) | 2022-05-30 | 2022-05-30 | Hydrophobic corrosion-resistant porcelain insulator glaze |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114853341B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115974534B (en) * | 2023-02-07 | 2023-09-08 | 江西省萍乡市华东出口电瓷有限公司 | Suspension porcelain insulator with alumina cylindrical head structure |
| CN116514528B (en) * | 2023-03-27 | 2024-04-12 | 湖南兴诚电瓷电器有限公司 | Ceramic insulator for isolating switch and preparation process thereof |
| CN116639960A (en) * | 2023-06-19 | 2023-08-25 | 萍乡市锦宏瓷业有限公司 | Preparation method of high-strength porcelain insulator |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101475179A (en) * | 2009-01-16 | 2009-07-08 | 南京大学 | Preparation of organic-inorganic hybridization silicon oxide nanosphere |
| CN108483898A (en) * | 2018-06-05 | 2018-09-04 | 安徽洪福工艺品有限公司 | The preparation method of green glaze ceramic cup craftwork |
| CN111116171A (en) * | 2019-12-31 | 2020-05-08 | 泉州阳光创艺陶瓷股份有限公司 | Antibacterial and mildew-proof ceramic artwork and preparation method thereof |
| CN112299465A (en) * | 2020-10-30 | 2021-02-02 | 广西大学 | Synthetic method of modified porous calcium carbonate |
| CN113337064A (en) * | 2021-06-17 | 2021-09-03 | 广东川奥高新科技有限公司 | Antibacterial wear-resistant runway floor composite material and preparation method thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ATE459379T1 (en) * | 2003-09-08 | 2010-03-15 | Fmc Biopolymer As | BIOPOLYMER-BASED GEL FOAM |
| CN102428145B (en) * | 2009-03-18 | 2014-03-26 | 巴斯夫欧洲公司 | Modified silica particles and dirt repellent polymer compositions comprising them |
| SI2447213T1 (en) * | 2010-10-26 | 2015-07-31 | Omya International Ag | Production of high purity precipitated calcium carbonate |
-
2022
- 2022-05-30 CN CN202210604113.7A patent/CN114853341B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101475179A (en) * | 2009-01-16 | 2009-07-08 | 南京大学 | Preparation of organic-inorganic hybridization silicon oxide nanosphere |
| CN108483898A (en) * | 2018-06-05 | 2018-09-04 | 安徽洪福工艺品有限公司 | The preparation method of green glaze ceramic cup craftwork |
| CN111116171A (en) * | 2019-12-31 | 2020-05-08 | 泉州阳光创艺陶瓷股份有限公司 | Antibacterial and mildew-proof ceramic artwork and preparation method thereof |
| CN112299465A (en) * | 2020-10-30 | 2021-02-02 | 广西大学 | Synthetic method of modified porous calcium carbonate |
| CN113337064A (en) * | 2021-06-17 | 2021-09-03 | 广东川奥高新科技有限公司 | Antibacterial wear-resistant runway floor composite material and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 多孔超细碳酸钙微球的制备;杨辉;李欢;;陕西科技大学学报(自然科学版)(05);全文 * |
| 氨基化树枝状介孔二氧化硅固定葡萄糖氧化酶用于检测葡萄糖;王欢;所金泉;王春艳;王润伟;;高等学校化学学报(08);全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114853341A (en) | 2022-08-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114853341B (en) | Hydrophobic corrosion-resistant porcelain insulator glaze | |
| CN112441824A (en) | Low-temperature-resistant high-voltage power transmission porcelain insulator and preparation method thereof | |
| CN110467442B (en) | High-strength porcelain insulator and preparation method thereof | |
| CN112608028A (en) | High-strength suspension insulator head glaze and preparation method thereof | |
| KR20150031228A (en) | Aluminum silicate and method for producing same | |
| CN113880109A (en) | Method for solid-phase synthesis of morphology-controllable ZSM-5 molecular sieve by using fly ash | |
| CN101817693B (en) | Method for preparing foamed ceramics based on nano-alumina | |
| CN115974534B (en) | Suspension porcelain insulator with alumina cylindrical head structure | |
| CN106276931A (en) | A kind of microwave synthesis method of lithium magnesium silicate | |
| CN112898003A (en) | High-strength siliceous brown glaze electric porcelain and preparation method thereof | |
| CN101838006A (en) | Novel method for separating strontium carbonate waste slag acid leaching slurry | |
| CN102173867B (en) | Method for preparing zirconium iron pink pigment from electrically-melted zirconium oxide | |
| CN101508438B (en) | Method for producing mullite with kleit as raw material | |
| CN112095017B (en) | Method for recycling fly ash based on reduction roasting-acid leaching | |
| CN103819086A (en) | Method for preparing basic formula of soda-lime silicate glass and method for extracting aluminum from fly ash and co-producing glass | |
| CN111943699A (en) | Large length-diameter ratio mullite whisker-combined andalusite refractory brick for propane dehydrogenation device and preparation process thereof | |
| CN110922176A (en) | Production process of quartz ceramic crucible material | |
| CN103566888B (en) | Activation method for p-xylene adsorbent carrier and preparation method of p-xylene adsorbent | |
| CN112645595B (en) | Glaze water, preparation process thereof and method for preparing high-temperature strengthened household porcelain by using glaze water | |
| CN116813308B (en) | High-strength light column porcelain insulator and preparation method thereof | |
| CN111320183A (en) | Process for improving calcination whiteness of high-calcium kaolin | |
| CN108276808B (en) | Reinforcing filler and preparation method thereof | |
| CN111517329A (en) | Calcination method for protecting mesoporous structure of natural ore | |
| CN107188187A (en) | A kind of preparation method of high-purity silicasol | |
| CN104843752B (en) | Method for removing iron from sodium aluminate solution |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |