CN103030384A - High-heat-resistance ceramic and preparation method thereof - Google Patents
High-heat-resistance ceramic and preparation method thereof Download PDFInfo
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- CN103030384A CN103030384A CN2012105398251A CN201210539825A CN103030384A CN 103030384 A CN103030384 A CN 103030384A CN 2012105398251 A CN2012105398251 A CN 2012105398251A CN 201210539825 A CN201210539825 A CN 201210539825A CN 103030384 A CN103030384 A CN 103030384A
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Abstract
The invention discloses a high-heat-resistance ceramic and a preparation method thereof. The high-heat-resistance ceramic is prepared from the following components in parts by weight: 42-48 parts of castorite, 9-15 parts of quartz, 12-17 parts of kaolin, 5-8 parts of talcum, 18-32 parts of clay, 2-5 parts of zinc oxide, 2-5 parts of barium oxide, 4-8 parts of waste ceramic slag, 0.4-1.5 parts of niobium oxide, 0.05-0.6 part of dispersant and 0.2-0.7 part of polyacrylamide.
Description
Technical field
The present invention relates to high heat-resisting ceramic and preparation method thereof.
Background technology
The research of heat-stable ceramic is a difficult problem in domestic ceramics field always, existing heat-stable ceramic goods have following shortcoming: the one, and heat resisting temperature can only reach 400-600 ℃ usually, the human consumer is when using such ceramic, usually food materials are fast ripe, ceramic has also just split, not only waste food materials, also have great potential safety hazard; The 2nd, thermal expansivity is higher, and thermal shock resistance is relatively poor, and heat exchange is easily broken, and can not use under harsh environment.
Summary of the invention
Shortcoming for prior art the invention provides a kind of high heat-resisting ceramic and preparation method thereof.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
A kind of high heat-resisting ceramic, its component by following weight content is prepared from: 42～48 parts of petalites, quartzy 9～15 parts, 12～17 parts of kaolin, 5～8 parts in talcum, 18～32 parts of clays, 2～5 parts in zinc oxide, 2～5 parts in barium oxide, 4～8 parts of waste porcelain slags, 0.4～1.5 part of niobium oxides, 0.05～0.6 part of dispersion agent, 0.2～0.7 part of polyacrylamide.
The weight content of K in this high heat-resisting ceramic, Na, Fe, Ti, Zn is respectively: 0.6～1.3 part of K; 0.2～0.3 part of Na; 0.1～0.4 part of Fe; 0～0.02 part of Ti; 0～0.01 part of Ba; Zn0～0.01 part.
The weight content of Li in this high heat-resisting ceramic is 6-8 part.
Described dispersion agent is a kind of or its combination in water glass, Sodium hexametaphosphate 99, sodium polyphosphate and the Sodium salts humic acids.
The invention provides a kind of preparation method of high heat-resisting ceramic, it comprises the steps:
S1: petalite, quartz, kaolin, talcum, clay, waste porcelain slag, zinc oxide, barium oxide and niobium oxides are carried out picking of raw material, hard raw material crushing, removal of impurities;
S2: by the prescription batching, and carry out grain composition;
S3: add water slurrying, the control solid content is 9-11%;
S4: add the dispersion agent dispersed with stirring;
S5: add polyacrylamide and carry out selective flocculation, remove throw out;
S6: be met the slurry of requirement, precipitation obtains blank;
S7: blank is made ceramic body, burn till to get ceramic product.
Firing temperature among the described step S7 is 1380 ℃～1450 ℃.
Compared with prior art, prescription forms a kind of high heat-resisting ceramic of the present invention owing to adopting reasonably, strict control grain composition, and adopt flocculence strictly to control the content of K, Na, Fe, Ti, Li, Zn, Ba, so that its resistance toheat can reach more than 800 ℃; Adopt dispersion agent, improved the dispersed and stable of stupalith, the niobium oxides that adds simultaneously trace, suppress material grains and grow up, reduce the coefficient of expansion, thermal shock resistance is good, can anti-800-20 ℃ heat exchange ten times and do not split, and nontoxic, plumbous chromium stripping quantity is zero, and radioactive element content meets national standard.
Embodiment
The present invention is further illustrated below in conjunction with specific embodiment.
Embodiment 1
The present invention discloses a kind of preparation method of high heat-resisting ceramic, comprises the steps:
S1: petalite, quartz, kaolin, talcum, clay, waste porcelain slag, zinc oxide, barium oxide and niobium oxides are carried out picking of raw material, hard raw material crushing, removal of impurities;
S2: the prescription by following weight content is prepared burden: 42 parts of petalites, 12 parts in quartz, 15 parts of kaolin, 5 parts in talcum, 20 parts of clays, 2 parts in zinc oxide, 2 parts in barium oxide, 5 parts of waste porcelain slags, 0.5 part of niobium oxides, and carry out grain composition: 60-120 order 30%, 120-250 order 1O%, 325 orders 60%;
S3: add water slurrying, the control solid content is 10%;
S4: add the dispersion agent dispersed with stirring;
S5: add polyacrylamide and carry out selective flocculation, remove throw out;
S6: be met the slurry of requirement, precipitation obtains blank;
S7: blank is made ceramic body, burn till to get ceramic product.
The ceramic pot product that makes is detected as can be known: can anti-800 ℃ of high temperature, and the thermal expansivity plate is little, and thermal shock resistance is good, can anti-800-20 ℃ heat exchange ten times and do not split, and nontoxic, plumbous chromium stripping quantity is zero, and radioactive element content meets national standard.
Claims (6)
1. a high heat-resisting ceramic is characterized in that, is prepared from by the component of following weight content: 42～48 parts of petalites, quartzy 9～15 parts, 12～17 parts of kaolin, 5～8 parts in talcum, 18～32 parts of clays, 2～5 parts in zinc oxide, 2～5 parts in barium oxide, 4～8 parts of waste porcelain slags, 0.4～1.5 part of niobium oxides, 0.05～0.6 part of dispersion agent, 0.2～0.7 part of polyacrylamide.
2. according to the described high heat-resisting ceramic of claim l, it is characterized in that, the weight content of the K in this high heat-resisting ceramic, Na, Fe, Ti, Zn is respectively: 0.6～1.3 part of K; 0.2～0.3 part of Na; 0.1～0.4 part of Fe; 0～0.02 part of Ti; 0～0.01 part of Ba; Zn0～0.01 part.
3. high heat-resisting ceramic according to claim 1 is characterized in that, the weight content of the Li in this high heat-resisting ceramic is 6-8 part.
4. high heat-resisting ceramic according to claim 1 is characterized in that, described dispersion agent is a kind of or its combination in water glass, Sodium hexametaphosphate 99, sodium polyphosphate and the Sodium salts humic acids.
5. the preparation method of a high heat-resisting ceramic according to claim 1 is characterized in that, comprises the steps:
S1: petalite, quartz, kaolin, talcum, clay, waste porcelain slag, zinc oxide, barium oxide and niobium oxides are carried out picking of raw material, hard raw material crushing, removal of impurities;
S2: by the prescription batching, and carry out grain composition;
S3: add water slurrying, the control solid content is 9-11%;
S4: add the dispersion agent dispersed with stirring;
S5: add polyacrylamide and carry out selective flocculation, remove throw out;
S6: be met the slurry of requirement, precipitation obtains blank;
S7: blank is made ceramic body, burn till to get ceramic product.
6. the preparation method of high heat-resisting ceramic according to claim 5 is characterized in that, the firing temperature among the described step S7 is 1380 ℃～1450 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2012105398251A CN103030384A (en) | 2012-12-14 | 2012-12-14 | High-heat-resistance ceramic and preparation method thereof |
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| CN2012105398251A CN103030384A (en) | 2012-12-14 | 2012-12-14 | High-heat-resistance ceramic and preparation method thereof |
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| CN103030384A true CN103030384A (en) | 2013-04-10 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107098678A (en) * | 2017-06-04 | 2017-08-29 | 于泽洪 | Low thermal coefficient of expansion porous ceramics and preparation method thereof |
| CN108250801A (en) * | 2018-01-26 | 2018-07-06 | 西安文理学院 | A kind of overglaze color color material and preparation method thereof |
| CN113336534A (en) * | 2021-06-28 | 2021-09-03 | 武汉理工大学 | Low-thermal-expansion domestic ceramic free of lithium minerals and preparation method thereof |
| CN115894052A (en) * | 2022-09-20 | 2023-04-04 | 宜兴市隆昌耐火材料有限公司 | Wear-resistant and fire-resistant new material for preheater outside kiln and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1730430A (en) * | 2005-06-27 | 2006-02-08 | 陈瑶武 | Middle temperature heat-stable ceramic and its preparation method |
| CN102515715A (en) * | 2011-11-02 | 2012-06-27 | 福建省德化县锦龙陶瓷有限公司 | High-heat-resistance ceramic and preparation method thereof |
-
2012
- 2012-12-14 CN CN2012105398251A patent/CN103030384A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1730430A (en) * | 2005-06-27 | 2006-02-08 | 陈瑶武 | Middle temperature heat-stable ceramic and its preparation method |
| CN102515715A (en) * | 2011-11-02 | 2012-06-27 | 福建省德化县锦龙陶瓷有限公司 | High-heat-resistance ceramic and preparation method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107098678A (en) * | 2017-06-04 | 2017-08-29 | 于泽洪 | Low thermal coefficient of expansion porous ceramics and preparation method thereof |
| CN108250801A (en) * | 2018-01-26 | 2018-07-06 | 西安文理学院 | A kind of overglaze color color material and preparation method thereof |
| CN108250801B (en) * | 2018-01-26 | 2020-08-07 | 西安文理学院 | Color material for overglaze color and preparation method thereof |
| CN113336534A (en) * | 2021-06-28 | 2021-09-03 | 武汉理工大学 | Low-thermal-expansion domestic ceramic free of lithium minerals and preparation method thereof |
| CN115894052A (en) * | 2022-09-20 | 2023-04-04 | 宜兴市隆昌耐火材料有限公司 | Wear-resistant and fire-resistant new material for preheater outside kiln and preparation method thereof |
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Application publication date: 20130410 |