CN110723906A - Glaze for producing porcelain insulator - Google Patents
Glaze for producing porcelain insulator Download PDFInfo
- Publication number
- CN110723906A CN110723906A CN201911178920.1A CN201911178920A CN110723906A CN 110723906 A CN110723906 A CN 110723906A CN 201911178920 A CN201911178920 A CN 201911178920A CN 110723906 A CN110723906 A CN 110723906A
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- CN
- China
- Prior art keywords
- parts
- glaze
- porcelain
- oxide
- porcelain insulator
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- 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
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Insulators (AREA)
- Inorganic Insulating Materials (AREA)
- Insulating Bodies (AREA)
Abstract
The invention discloses a glaze for producing porcelain insulators, which is characterized by comprising the following components in parts by weight: 30-40 parts of porcelain stone, 17-35 parts of zircon sand, 6-8 parts of aluminum oxide, 10-12 parts of talcum, 3-5 parts of calcium fluoride, 4-6 parts of barium carbonate, 16-18 parts of an opacifier, 1-3 parts of zinc oxide and 3-4.5 parts of sodium carbonate, wherein the mass percentage of magnesium oxide in the talcum is more than 20%; the opacifier is antimony oxide. The glaze produced according to the formula has the breaking strength of more than 160MPa, the cold and hot shock resistance of more than 240 ℃, and stable performance, and is suitable for various power industries.
Description
Technical Field
The invention belongs to the technical field of electric porcelain, and particularly relates to a glaze for producing porcelain insulators.
Background
The porcelain insulator is mainly applied to transmission lines, substations and electrical equipment with various voltage grades in an electric power system, and other special industries such as the electric power system of rail transit, and is used for connecting conductors or components with different electric potentials and playing roles in insulation and support. For example, disk-shaped suspension insulators and long rod-shaped insulators for high-voltage line strain or suspension, rod-shaped post insulators for transformer substation buses or equipment supports, hollow insulators for transformer bushings, switchgear, capacitors or transformers, and the like, have high requirements for mechanical properties, electrical properties, environmental resistance (cold and hot, pollution resistance, aging resistance, and the like), stability, and the like, because of relating to the power industry.
Disclosure of Invention
In order to overcome the defects and shortcomings of the prior art, the invention provides a glaze for producing porcelain insulators, which comprises the following components in parts by weight: 30-40 parts of porcelain stone, 17-35 parts of zircon sand, 6-8 parts of aluminum oxide, 10-12 parts of talcum, 3-5 parts of calcium fluoride, 4-6 parts of barium carbonate, 16-18 parts of opacifier, 1-3 parts of zinc oxide and 3-4.5 parts of sodium carbonate, wherein the mass percentage of magnesium oxide in the talcum is more than 20%.
Preferably, the opacifying agent is antimony oxide.
The invention also discloses a preparation method of the porcelain insulator, which comprises the following steps:
mixing a glaze with water to prepare glaze slurry, wherein the glaze is the glaze of the glaze according to claim 1 or 2;
glazing the insulator blank by using the glaze slip;
and glaze firing the glazed ceramic biscuit at 1125-1145 ℃ to obtain the porcelain insulator.
Compared with the prior art, the invention has the following beneficial effects:
the glaze for producing porcelain insulator has breaking strength over 160MPa, cold and hot shock resistance over 240 deg.c and stable performance, and is suitable for use in various electric power industry.
Detailed Description
The present invention is further described below in conjunction with examples, which are to be understood as being illustrative only and in no way limiting.
Example 1
A glaze for producing porcelain insulators is composed of the following components in parts by weight: 30 parts of porcelain stone, 17 parts of zircon sand, 6 parts of aluminum oxide, 10 parts of talc, 3 parts of calcium fluoride, 4 parts of barium carbonate, 16 parts of opacifier, 1 part of zinc oxide and 3 parts of sodium carbonate, wherein the mass percentage of magnesium oxide in the talc is 25%.
The opacifier is antimony oxide.
A preparation method of a porcelain insulator comprises the following steps:
mixing a glaze material with water to prepare glaze slurry, wherein the glaze material is the glaze material;
glazing the insulator blank by using the glaze slip;
and glaze firing the glazed ceramic biscuit at 1125 ℃ to obtain the porcelain insulator.
The glaze produced according to the formula has the breaking strength of 172MPa and the cold and hot shock resistance of 250 ℃.
Example 2
A glaze for producing porcelain insulators is composed of the following components in parts by weight: 35 parts of porcelain stone, 20 parts of zircon sand, 8 parts of alumina, 12 parts of talc, 5 parts of calcium fluoride, 6 parts of barium carbonate, 18 parts of opacifier, 2 parts of zinc oxide and 4 parts of sodium carbonate, wherein the mass percentage of magnesium oxide in the talc is 30%.
The opacifier is antimony oxide.
The invention also discloses a preparation method of the porcelain insulator, which comprises the following steps:
mixing a glaze material with water to prepare glaze slurry, wherein the glaze material is the glaze material;
glazing the insulator blank by using the glaze slip;
and (3) glaze firing the glazed ceramic biscuit at 1145 ℃ to obtain the porcelain insulator.
The glaze produced according to the formula has the breaking strength of 178MPa and the cold and hot shock resistance of 260 ℃.
Example 3
A glaze for producing porcelain insulators is composed of the following components in parts by weight: 40 parts of porcelain stone, 35 parts of zircon sand, 8 parts of aluminum oxide, 11 parts of talc, 4 parts of calcium fluoride, 6 parts of barium carbonate, 18 parts of opacifier, 3 parts of zinc oxide and 4.5 parts of sodium carbonate, wherein the mass percentage of magnesium oxide in the talc is 35.
The opacifier is antimony oxide.
The invention also discloses a preparation method of the porcelain insulator, which comprises the following steps:
mixing glaze with water to prepare glaze slurry, wherein the glaze is the glaze;
glazing the insulator blank by using the glaze slip;
and (3) glaze firing the glazed ceramic biscuit at 1145 ℃ to obtain the porcelain insulator.
The glaze produced according to the formula has the breaking strength of 179MPa and the cold and heat resistance sudden change performance of 255 ℃.
The above embodiments only describe the best mode of use of the existing device, and similar common means are used to replace the elements in the present embodiments, which fall into the protection scope.
Claims (3)
1. The glaze for producing the porcelain insulator is characterized by comprising the following components in parts by weight: 30-40 parts of porcelain stone, 17-35 parts of zircon sand, 6-8 parts of aluminum oxide, 10-12 parts of talcum, 3-5 parts of calcium fluoride, 4-6 parts of barium carbonate, 16-18 parts of opacifier, 1-3 parts of zinc oxide and 3-4.5 parts of sodium carbonate, wherein the mass percentage of magnesium oxide in the talcum is more than 20%.
2. The glaze for producing porcelain insulators as claimed in claim 1, wherein the opacifying agent is antimony oxide.
3. The preparation method of the porcelain insulator is characterized by comprising the following steps:
mixing a glaze with water to prepare glaze slurry, wherein the glaze is the glaze of the glaze according to claim 1 or 2;
glazing the insulator blank by using the glaze slip;
and glaze firing the glazed ceramic biscuit at 1125-1145 ℃ to obtain the porcelain insulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911178920.1A CN110723906A (en) | 2019-11-27 | 2019-11-27 | Glaze for producing porcelain insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911178920.1A CN110723906A (en) | 2019-11-27 | 2019-11-27 | Glaze for producing porcelain insulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110723906A true CN110723906A (en) | 2020-01-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911178920.1A Pending CN110723906A (en) | 2019-11-27 | 2019-11-27 | Glaze for producing porcelain insulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110723906A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111439928A (en) * | 2020-06-02 | 2020-07-24 | 苏州电瓷厂股份有限公司 | Self-leveling low-expansion glaze slip composition |
| CN112608028A (en) * | 2020-12-31 | 2021-04-06 | 江苏南瓷绝缘子股份有限公司 | High-strength suspension insulator head glaze and preparation method thereof |
-
2019
- 2019-11-27 CN CN201911178920.1A patent/CN110723906A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111439928A (en) * | 2020-06-02 | 2020-07-24 | 苏州电瓷厂股份有限公司 | Self-leveling low-expansion glaze slip composition |
| CN112608028A (en) * | 2020-12-31 | 2021-04-06 | 江苏南瓷绝缘子股份有限公司 | High-strength suspension insulator head glaze and preparation method thereof |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200124 |
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| WD01 | Invention patent application deemed withdrawn after publication |