CN102557734B - Formula of high-strength electroceramic brown glaze - Google Patents
Formula of high-strength electroceramic brown glaze Download PDFInfo
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- CN102557734B CN102557734B CN2011104143354A CN201110414335A CN102557734B CN 102557734 B CN102557734 B CN 102557734B CN 2011104143354 A CN2011104143354 A CN 2011104143354A CN 201110414335 A CN201110414335 A CN 201110414335A CN 102557734 B CN102557734 B CN 102557734B
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Abstract
The invention discloses a formula of high-strength electroceramic brown glaze. The formula comprises the following components in parts by weight: 30 to 40 parts of potassium feldspar, 25 to 30 parts of silica flour, 8 to 14 parts of Datong soil, 7 to 12 parts of Dongsheng soil, 9 to 13 parts of grammite, 1 to 3 parts of forging talc, 8 to 12 parts of red brown agent, 6 to 10 parts of high-strength blank, and 1 to 3 parts of barium carbonate. The electroceramic brown glaze produced by the formula is suitable for various ceramic electroceramic blanks, and has the advantage of reasonable thermal expansion coefficient. A favorable interlayer is formed after the ceramic electroceramic blanks are glazed, thus the mechanical, electrical and heat characteristics of ceramic are greatly enhanced, the flexural strength of the ceramic is enhanced by more than 30%, and all the performance indexes of the electroceramic exceed the standards of strong aluminum ceramic C121b in GB8411.
Description
Technical field
The invention belongs to the electroceramics technical field, be specifically related to a kind of brown glaze for high-strength electric porcelains.
Background technology
Physical strength is the most important performance that electric porcelain production is pursued always, because electroporcelain material while having high strength, under the condition of equal voltage range, can improve the rate of utilization of material, reduces the cost of product.Traditional electroceramics palm fibre glaze, after glazing, to improve electroceramics mechanical, electrical, the thermal characteristics effect is bad, the flexural strength of raising porcelain that especially can not be larger, resistance to chemical corrosion and antifouling property are also undesirable simultaneously.
Summary of the invention
The objective of the invention is, for mechanical, electrical, defect that the thermal characteristics effect is bad after electroceramics glazing in above-mentioned prior art, provides a kind of high-strength palm glaze formula that is applicable to various electroceramics base substrates, for achieving the above object, the invention provides following technical scheme:
A kind of brown glaze for high-strength electric porcelains, the component that it comprises and ratio of weight and number are: potassium felspar sand 18～25, silica powder 25～30, Datong District's soil 8～14, east victory soil 7～12, wollastonite 9～13, forge talcum 1～3, reddish brown toner 8～12, high-strength blank 6～10, barium carbonate 1～3.
The mixture that described reddish brown toner is ferric oxide, manganese oxide and chromic oxide, wherein the percentage composition of ferric oxide is 25%, and the percentage composition of manganese oxide is 15%, and the percentage composition of chromic oxide is 60%.
Manufacturing process and the prior art of brown glaze for high-strength electric porcelains of the present invention are basic identical, all adopt the manufacture of wet ball grinding technique.
The brown glaze for high-strength electric porcelains that the component of formula and ratio of weight and number are produced according to the present invention, after glazing, the physicals of electroceramics is as following table:
| Performance project | Unit | Product numerical value of the present invention |
| The glazing flexural strength | MPa | ≥235 |
| Withstand voltage | KV/mm | ≥35 |
| Volume specific resistance | Ω·cm | ≥10 14 |
| Cold-hot shock property (temperature difference) | ℃ | ＞230 |
| Relative permittivity (50HZ, 20 ℃) | ? | 7.3 |
The electroceramics palm fibre glaze of producing by the present invention is applicable to the electroceramics base substrate of various porcelains, there is rational thermal expansivity, form good middle layer after glazing, increase substantially mechanical, electrical, the thermal property of porcelain, improve the porcelain flexural strength more than 30%, the smooth fine and smooth light of glaze, be red-brown simultaneously, resistance to chemical corrosion and antifouling property all are better than the common brown glaze, and property indices surpasses the GB8411 standard-required.
Embodiment
The present invention, via unified production technique, according to the Different Weight portion rate of component, can produce the electroceramics palm fibre glaze product of different performance, existing by following embodiment explanation:
Embodiment 1
The component that the present embodiment comprises and ratio of weight and number are:
Potassium felspar sand 18
Silica powder 25
Datong District's soil 8
East victory soil 7
Wollastonite 9
Forge talcum 1
Reddish brown toner 8
High-strength blank 6
Barium carbonate 1.
The mixture that described reddish brown toner is ferric oxide, manganese oxide and chromic oxide, wherein the percentage composition of ferric oxide is 25%, and the percentage composition of manganese oxide is 15%, and the percentage composition of chromic oxide is 60%.
The brown glaze of producing according to component and the ratio of weight and number of the present embodiment, after glazing, the performance of electroceramics is as follows:
Glazing flexural strength 235MPa
Withstand voltage 35 KV/mm
Volume specific resistance 10
14Ω cm
235 ℃ of cold-hot shock properties (temperature difference)
Relative permittivity (50HZ, 20 ℃) 7.3
Embodiment 2
The component that the present embodiment comprises and ratio of weight and number are:
Potassium felspar sand 25
Silica powder 30
Datong District's soil 14
East victory soil 12
Wollastonite 13
Forge talcum 3
Reddish brown toner 12
High-strength blank 10
Barium carbonate 3.
The mixture that described reddish brown toner is ferric oxide, manganese oxide and chromic oxide, wherein the percentage composition of ferric oxide is 25%, and the percentage composition of manganese oxide is 15%, and the percentage composition of chromic oxide is 60%.
The brown glaze of producing according to component and the ratio of weight and number of the present embodiment, after glazing, the performance of electroceramics is as follows:
Glazing flexural strength 240MPa
Withstand voltage 38KV/mm
Volume specific resistance 10
15Ω cm
233 ℃ of cold-hot shock properties (temperature difference)
Relative permittivity (50HZ, 20 ℃) 7.3
Mass-produced the electroceramics palm fibre glaze product of 220-1000Kv grade according to above-described embodiment 1-2, these electroceramics palm fibre glaze product properties are good, improve the flexural strength of porcelain more than 30%, reach the advanced level of domestic similar electroceramics technology, met the requirement of high voltage generating station power transmission and transformation system fully.
Claims (3)
1. a brown glaze for high-strength electric porcelains, is characterized in that, comprises following component and ratio of weight and number:
Potassium felspar sand 18～25
Silica powder 25～30
Datong District's soil 8～14
East victory soil 7～12
Wollastonite 9～13
Forge talcum 1～3
Reddish brown toner 8～12
High-strength blank 6～10
Barium carbonate 1～3,
Wherein, the mixture that described reddish brown toner is ferric oxide, manganese oxide and chromic oxide, wherein the percentage composition of ferric oxide is 25%, and the percentage composition of manganese oxide is 15%, and the percentage composition of chromic oxide is 60%.
2. brown glaze for high-strength electric porcelains according to claim 1, is characterized in that, the component comprised and ratio of weight and number are:
Potassium felspar sand 18
Silica powder 25
Datong District's soil 8
East victory soil 7
Wollastonite 9
Forge talcum 1
Reddish brown toner 8
High-strength blank 6
Barium carbonate 1.
3. brown glaze for high-strength electric porcelains according to claim 1, is characterized in that, the component comprised and ratio of weight and number are:
Potassium felspar sand 25
Silica powder 30
Datong District's soil 14
East victory soil 12
Wollastonite 13
Forge talcum 3
Reddish brown toner 12
High-strength blank 10
Barium carbonate 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104143354A CN102557734B (en) | 2011-12-13 | 2011-12-13 | Formula of high-strength electroceramic brown glaze |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104143354A CN102557734B (en) | 2011-12-13 | 2011-12-13 | Formula of high-strength electroceramic brown glaze |
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| Publication Number | Publication Date |
|---|---|
| CN102557734A CN102557734A (en) | 2012-07-11 |
| CN102557734B true CN102557734B (en) | 2013-12-25 |
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| CN2011104143354A Expired - Fee Related CN102557734B (en) | 2011-12-13 | 2011-12-13 | Formula of high-strength electroceramic brown glaze |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102815924B (en) * | 2012-08-08 | 2014-11-05 | 大悟县博源电瓷厂 | Method for manufacturing high-voltage electro-ceramic insulator |
| CN102786323A (en) * | 2012-08-28 | 2012-11-21 | 江苏南瓷绝缘子有限公司 | Novel high-strength electrotechnical porcelain brown glaze formulation |
| CN102838384B (en) * | 2012-09-27 | 2014-03-12 | 重庆鸽牌电瓷有限公司 | High-voltage insulation ceramic ash glaze formula |
| CN102838383B (en) * | 2012-09-27 | 2014-07-30 | 重庆鸽牌电瓷有限公司 | High-voltage insulation sky blue glaze formula |
| CN103531315B (en) * | 2013-09-24 | 2016-02-17 | 中材高新材料股份有限公司 | ± 1120kV extra-high voltage direct-current bar-shaped porcelain insulator preparation method |
| CN108218234A (en) * | 2016-12-13 | 2018-06-29 | 大连电瓷集团输变电材料有限公司 | High tension insulator palm fibre glaze composition of raw materials that oxidizing flame is rapidly fired to and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1887810A (en) * | 2006-07-18 | 2007-01-03 | 广东三水大鸿制釉有限公司 | Press formed dry glaze for ceramic tile adobe and its prepn process |
| CN1887811A (en) * | 2006-07-18 | 2007-01-03 | 广东三水大鸿制釉有限公司 | Glaze material for surface of ceramic tile |
| CN101439988A (en) * | 2008-12-25 | 2009-05-27 | 抚顺电瓷制造有限公司 | Inorganic binding glaze for electric porcelain |
| CN102115343A (en) * | 2011-04-12 | 2011-07-06 | 抚顺高科电瓷电气制造有限公司 | Brown glaze for high-strength electric porcelains |
-
2011
- 2011-12-13 CN CN2011104143354A patent/CN102557734B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1887810A (en) * | 2006-07-18 | 2007-01-03 | 广东三水大鸿制釉有限公司 | Press formed dry glaze for ceramic tile adobe and its prepn process |
| CN1887811A (en) * | 2006-07-18 | 2007-01-03 | 广东三水大鸿制釉有限公司 | Glaze material for surface of ceramic tile |
| CN101439988A (en) * | 2008-12-25 | 2009-05-27 | 抚顺电瓷制造有限公司 | Inorganic binding glaze for electric porcelain |
| CN102115343A (en) * | 2011-04-12 | 2011-07-06 | 抚顺高科电瓷电气制造有限公司 | Brown glaze for high-strength electric porcelains |
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| CN102557734A (en) | 2012-07-11 |
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