CN103044016A - High thermal resistant ceramic and preparation method thereof - Google Patents

High thermal resistant ceramic and preparation method thereof Download PDF

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Publication number
CN103044016A
CN103044016A CN2012105398016A CN201210539801A CN103044016A CN 103044016 A CN103044016 A CN 103044016A CN 2012105398016 A CN2012105398016 A CN 2012105398016A CN 201210539801 A CN201210539801 A CN 201210539801A CN 103044016 A CN103044016 A CN 103044016A
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China
Prior art keywords
parts
heat
ceramic
resisting ceramic
resisting
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Pending
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CN2012105398016A
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Chinese (zh)
Inventor
詹铨
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ZHENTONG CERAMICS CO Ltd
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ZHENTONG CERAMICS CO Ltd
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Priority to CN2012105398016A priority Critical patent/CN103044016A/en
Publication of CN103044016A publication Critical patent/CN103044016A/en
Pending legal-status Critical Current

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Abstract

The invention provides high thermal resistant ceramic and a preparation method thereof, containing the following components by weight: 44-46 parts of petalite, 12-13 parts of quartz, 14-15 parts of kaolin, 6-7 parts of talcum, 22-28 parts of clay, 3-4 parts of zinc oxide, 3-4 parts of barium oxide, 5-6 parts of waste ceramic slag, 0.6-1.2 parts of niobium oxides, 0.25-0.4 parts of dispersant, and 0.4-0.5 parts of polyacrylamide.

Description

High heat-resisting ceramic and preparation method thereof
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 broken easily, 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: 44~46 parts of petalites, quartzy 12~13 parts, 14~15 parts of kaolin, 6~7 parts in talcum, 22~28 parts of clays, 3~4 parts in zinc oxide, 3~4 parts in barium oxide, 5~6 parts of waste porcelain slags, 0.6~1.2 part of niobium oxides, 0.25~0.4 part of dispersion agent, 0.4~0.5 part of polyacrylamide.
The weight content of K in this high heat-resisting ceramic, Na, Fe, Ti, Zn is respectively: 0.8~1.1 part of K; 0.22~0.28 part of Na; 0.2~0.3 part of Fe; 0~0.01 part of Ti; 0~0.005 part of Ba; Zn0~0.005 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 adopt 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: 45 parts of petalites, 12 parts in quartz, 15 parts of kaolin, 6 parts in talcum, 22 parts of clays, 3 parts in zinc oxide, 3 parts in barium oxide, 5 parts of waste porcelain slags, 0.6 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: 44~46 parts of petalites, quartzy 12~13 parts, 14~15 parts of kaolin, 6~7 parts in talcum, 22~28 parts of clays, 3~4 parts in zinc oxide, 3~4 parts in barium oxide, 5~6 parts of waste porcelain slags, 0.6~1.2 part of niobium oxides, 0.25~0.4 part of dispersion agent, 0.4~0.5 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: 0.8~1.1 part of K; 0.22~0.28 part of Na; 0.2~0.3 part of Fe; 0~0.01 part of Ti; 0~0.005 part of Ba; Zn0~0.005 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 ℃.
CN2012105398016A 2012-12-14 2012-12-14 High thermal resistant ceramic and preparation method thereof Pending CN103044016A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012105398016A CN103044016A (en) 2012-12-14 2012-12-14 High thermal resistant ceramic and preparation method thereof

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Application Number Priority Date Filing Date Title
CN2012105398016A CN103044016A (en) 2012-12-14 2012-12-14 High thermal resistant ceramic and preparation method thereof

Publications (1)

Publication Number Publication Date
CN103044016A true CN103044016A (en) 2013-04-17

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103435329A (en) * 2013-08-19 2013-12-11 湖南华联瓷业股份有限公司 Low-water absorption stoneware and production method thereof
CN103664217A (en) * 2013-12-13 2014-03-26 朱金河 High-strength high-temperature ceramic and preparation method thereof
CN108863304A (en) * 2018-07-24 2018-11-23 湖南嘉盛电陶新材料股份有限公司 Ceramic batch, pottery and preparation method thereof
CN108892475A (en) * 2018-08-01 2018-11-27 江西帮企陶瓷有限公司 A kind of preparation method of black glaze thermal-resisting ceramic vessel

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1562871A (en) * 2004-04-09 2005-01-12 天津大学 Method for preparing nano far infrared powder in Al2O3 vacant spinel type
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1562871A (en) * 2004-04-09 2005-01-12 天津大学 Method for preparing nano far infrared powder in Al2O3 vacant spinel type
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 (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103435329A (en) * 2013-08-19 2013-12-11 湖南华联瓷业股份有限公司 Low-water absorption stoneware and production method thereof
CN103435329B (en) * 2013-08-19 2015-06-17 湖南华联瓷业股份有限公司 Low-water absorption stoneware and production method thereof
CN103664217A (en) * 2013-12-13 2014-03-26 朱金河 High-strength high-temperature ceramic and preparation method thereof
CN108863304A (en) * 2018-07-24 2018-11-23 湖南嘉盛电陶新材料股份有限公司 Ceramic batch, pottery and preparation method thereof
CN108863304B (en) * 2018-07-24 2020-09-22 湖南嘉盛电陶新材料股份有限公司 Ceramic blank, ceramic vessel and preparation method thereof
CN108892475A (en) * 2018-08-01 2018-11-27 江西帮企陶瓷有限公司 A kind of preparation method of black glaze thermal-resisting ceramic vessel

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Application publication date: 20130417

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