CN101429034B - Process for producing high-surface quality high-class daily fine china - Google Patents
Process for producing high-surface quality high-class daily fine china Download PDFInfo
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- CN101429034B CN101429034B CN2008102380616A CN200810238061A CN101429034B CN 101429034 B CN101429034 B CN 101429034B CN 2008102380616 A CN2008102380616 A CN 2008102380616A CN 200810238061 A CN200810238061 A CN 200810238061A CN 101429034 B CN101429034 B CN 101429034B
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Abstract
The invention relates to a method for preparing high-grade daily fine porcelain with high surface quality, which belongs to the technical field of ceramics, wherein a formed biscuit is applied with glaze for glaze firing. The method is characterized in that products after the glaze firing are subjected to secondary glaze application and secondary firing. The method adopts the simple and feasible technology of 'glaze application for two times', obviously improves the finished product rate of secondary glaze firing and the glaze quality, makes the glaze surface more leveled and smooth, obviously improves the thermal stability of the products, improves the strength and the glaze hardness of the products, not only improves the surface apparent quality of the high-grade daily fine porcelain but also improves the mechanical inherent quality, solves the problem of 'softness' of soft porcelain, and improves the product grade.
Description
Technical field
The present invention relates to a kind of preparation method of high-surface quality high-class daily fine china, belong to the ceramic technology field.
Background technology
For distortion and the glaze quality problem that solves high-grade daily-use fine porcelain, taked double-firing process.At first with the base substrate biscuiting of moulding, glaze firing is carried out in glazing then (comprise glaze spraying or soak glaze etc.) again.What adopt is the high temperature biscuiting, low temperature glaze firing, and general temperature of glaze firing is lower 100～200 ℃ than biscuiting temperature, the effect preferably of acquisition, especially external effect is like the level and smooth smoothness of glaze etc.
Find that in actual production traditional secondary is burnt till senior fine porcelain at present, in products such as sclerotin porcelain, quartz enriched porcelain, has following outstanding problem: the one, the glaze firing yield rate is low, and the glaze plane defect is many, and quality is not good enough.The 2nd, the goods of twice firing, intensity is low, and poor heat stability has only a heat exchange of 140 ℃～20 ℃ water not burst like the thermostability of sclerotin porcelain, claims that for this reason this type fine porcelain is soft porcelain.For a long time, people are studying the quality that how to improve this type fine porcelain always, comprise high, the thermally-stabilised good inner quality of the visual appearance of level and smooth smoothness and intensity, solve the problem of soft porcelain " soft ".
Summary of the invention
The object of the present invention is to provide a kind of preparation method of high-surface quality high-class daily fine china, the high-grade daily-use fine porcelain product surface of acquisition is smoothly smooth, and intensity is high, thermally-stabilised good.
The preparation method of high-surface quality high-class daily fine china of the present invention carries out glaze firing after molding biscuit, the glazing, it is characterized in that the product after the glaze firing is carried out secondary glazing and twice firing.
Wherein:
High melting glaze or medium temperature glaze are used in glazing for the first time, and like high temperature raw glaze or middle temperature raw glaze, the glazing gauge control is that 0.18mm ± 0.02mm is suitable, and temperature of glaze firing is than low 40～90 ℃ of base substrate maturing temperature;
The raw glaze high temperature viscosity is bigger, on the one hand, can obtain the glaze of smooth and free of pinholes effectively with the hole covering of biscuit itself, and it is smooth and thick and heavy to help the finished product overglaze.On the other hand,, can generate good body-glaze intermediate layer, help the raising of porcelain body intensity and thermostability with the biscuit precursor reactant because temperature of glaze firing is higher.
Low temperature glaze is used in glazing for the second time, and like the low temperature frit glaze etc., the glazing gauge control is that 0.15mm ± 0.02mm is suitable, and temperature of glaze firing is than low 100～200 ℃ of base substrate maturing temperature.
After the glaze layer arrives maturing temperature during secondary glaze firing; Merge rapidly with the high melting glaze of a glaze firing, can make glaze smoother, simultaneously at the better intermediate layer of base glaze intermediate formation; Suitable coefficient of expansion missionary society is eased various stress, thereby improves thermostability and porcelain body intensity.
The glaze slip of glazing requires preparation to get final product according to common process, and can add inorganic suspension agents such as organic suspending agent such as methylcellulose gum, CMC 99.5 or clay like the glaze slip of fritted glaze with frit and process, or the like.
Table 1 is seen in the product detection technique index contrast that test obtains.
Table 1, product detection technique index contrast table
Find out obviously that from table the thermostability of the quartz enriched porcelain that the present invention obtains exceeds 20 ℃ than general quartz enriched porcelain, exceeds 60 ℃ than sclerotin porcelain; The porcelain body bending strength exceeds 30% than general quartz enriched porcelain, exceeds nearly 60% than sclerotin porcelain; The glaze microhardness also is higher than general quartz enriched porcelain and sclerotin porcelain.
The present invention has adopted simple " twice glaze " technology, has obviously improved the yield rate and the glaze quality of secondary glaze firing, and makes the more smooth smoothness of glaze; Significantly improve the thermostability of product, improved the intensity and the hardness of glaze surface of product, both improved the appearance quality of high-grade daily-use fine porcelain; The more important thing is; Also improve the mechanics inner quality, solved the problem of soft porcelain " soft ", promoted product specification.
Embodiment
Below in conjunction with embodiment the present invention is described further.
It is on sale to test raw materials used equal market, directly buys to get final product.
Embodiment 1
Select quartz enriched porcelain for use, the biscuiting temperature of quartz enriched porcelain is 1300 ± 15 ℃;
Glazing for the first time uses the percentage composition of glaze ingredients by weight to be:
Potassium felspar sand 45%, quartz 30%, Stalactitum 10%, burning talcum 6%, burning zinc oxide 4%, Suzhou soil 5%.
Temperature of glaze firing is 1250 ± 15 ℃.
Glazing for the second time uses the ingredients by weight percentage composition of frit to be:
Potassium felspar sand 20%, quartz 30%, aluminum oxide 5%, burning talcum 5%, zinc oxide 2%, borax 15%, boric acid 6%, Strontium carbonate powder 5%, lime carbonate 12%.
Temperature of glaze firing is 1170 ± 15 ℃.
The product detection technique index that test obtains is seen contrast table 2.
The product detection technique index contrast table that table 2, test obtain
Embodiment 2
Select the sclerotin porcelain for use, the biscuiting temperature of sclerotin porcelain is 1280 ± 10 ℃;
Glazing for the first time uses the percentage composition of glaze ingredients by weight to be:
Albite 60%, quartz 15%, Stalactitum 15%, burning talcum 2%, burning zinc oxide 5%, Suzhou soil 3%.
Temperature of glaze firing is 1220 ± 15 ℃.
Glazing for the second time uses the ingredients by weight percentage composition of frit to be:
Potassium felspar sand 30%, quartz 20%, aluminum oxide 8%, burning talcum 2%, zinc oxide 3%, borax 12%, boric acid 12%, Strontium carbonate powder 5%, barium carbonate 3%, lime carbonate 5%.
Temperature of glaze firing is 1150 ± 15 ℃.
The product detection technique index that test obtains is seen contrast table 3.
Table 3, product detection technique index contrast table
Embodiment 3,
Select magnesia porcelain for use, the biscuiting temperature of magnesia porcelain is 1350 ± 7.5 ℃;
Glazing for the first time uses the percentage composition of glaze ingredients by weight to be:
Potassium felspar sand 60%, quartz 15%, burning talcum 5%, burning zinc oxide 3%, barium carbonate 5%, Suzhou soil 12%.
Temperature of glaze firing is 1260 ± 15 ℃.
Glazing for the second time uses the ingredients by weight percentage composition of frit to be:
Potassium felspar sand 50%, quartz 8%, aluminum oxide 2%, burning talcum 5%, zinc oxide 3%, borax 13%, boric acid 8%, lime carbonate 8%, barium carbonate 3%.
Temperature of glaze firing is 1150 ± 15 ℃.
The product detection technique index that test obtains is seen table 4.
Table 4, product detection technique index table
Claims (1)
1. the preparation method of a high-surface quality high-class daily fine china carries out glaze firing after molding biscuit, the glazing, it is characterized in that the product after the glaze firing is carried out secondary glazing and twice firing;
Wherein:
High melting glaze or medium temperature glaze are used in glazing for the first time, and the glazing gauge control of glazing for the first time is 0.18mm ± 0.02mm, and the temperature of glaze firing of glaze firing for the first time is than low 40～90 ℃ of base substrate maturing temperature;
Low temperature glaze is used in glazing for the second time, and the glazing gauge control of glazing for the second time is 0.15mm ± 0.02mm, and the temperature of glaze firing of glaze firing for the second time is than low 100～200 ℃ of base substrate maturing temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102380616A CN101429034B (en) | 2008-12-02 | 2008-12-02 | Process for producing high-surface quality high-class daily fine china |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102380616A CN101429034B (en) | 2008-12-02 | 2008-12-02 | Process for producing high-surface quality high-class daily fine china |
Publications (2)
| Publication Number | Publication Date |
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| CN101429034A CN101429034A (en) | 2009-05-13 |
| CN101429034B true CN101429034B (en) | 2012-05-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2008102380616A Expired - Fee Related CN101429034B (en) | 2008-12-02 | 2008-12-02 | Process for producing high-surface quality high-class daily fine china |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101967060B (en) * | 2009-12-30 | 2012-10-17 | 福建省德化县云姿陶瓷有限公司 | Method for firing domestic porcelain |
| CN102953060B (en) * | 2011-10-13 | 2014-06-25 | 四会市维力有限公司 | Method for preparing enameled air conditioner bracket |
| CN102936128A (en) * | 2012-11-25 | 2013-02-20 | 山东硅元新型材料有限责任公司 | High-grade daily fine porcelain |
| CN108530034B (en) * | 2018-06-27 | 2020-07-07 | 福建省德化县陶缘茗陶瓷文化有限公司 | Full-glaze ceramic and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1253124A (en) * | 1998-10-29 | 2000-05-17 | 淄博通博高档骨质瓷有限责任公司 | Green porcelain glaze and process for preparing products of green porcelain glaze |
| CN1724459A (en) * | 2005-06-23 | 2006-01-25 | 青岛科技大学 | Daily used reinforced ceramic and its preparation process |
| CN1847198A (en) * | 2005-04-11 | 2006-10-18 | 赵孟冬 | Recipe of high temperature hard glaze for bone china and bone china producing process |
-
2008
- 2008-12-02 CN CN2008102380616A patent/CN101429034B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1253124A (en) * | 1998-10-29 | 2000-05-17 | 淄博通博高档骨质瓷有限责任公司 | Green porcelain glaze and process for preparing products of green porcelain glaze |
| CN1847198A (en) * | 2005-04-11 | 2006-10-18 | 赵孟冬 | Recipe of high temperature hard glaze for bone china and bone china producing process |
| CN1724459A (en) * | 2005-06-23 | 2006-01-25 | 青岛科技大学 | Daily used reinforced ceramic and its preparation process |
Non-Patent Citations (1)
| Title |
|---|
| 杨世源等.釉烧温度和保温时间对陶瓷坯釉适应性影响的研究.《陶瓷研究》.1994,第9卷(第4期),第192-196页. * |
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| CN101429034A (en) | 2009-05-13 |
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Granted publication date: 20120523 Termination date: 20211202 |