CN103232222B - Low-temperature stoneware formula - Google Patents
Low-temperature stoneware formula Download PDFInfo
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- CN103232222B CN103232222B CN201310181797.5A CN201310181797A CN103232222B CN 103232222 B CN103232222 B CN 103232222B CN 201310181797 A CN201310181797 A CN 201310181797A CN 103232222 B CN103232222 B CN 103232222B
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Abstract
The invention relates provides a low-temperature stoneware formula, relating to stoneware. The low-temperature stoneware formula provided by the invention has the advantages that the firing temperature and energy consumption can be obviously reduced and the firing pass rate can be increased. The low-temperature stoneware formula comprises grouting mud and raw glaze, wherein the grouting mud is prepared from potash feldspar, lithium porcelain stone, quartz powder, kaolin, black clay, pyrophyllite powder and ceramic powder; the raw glaze is transparent glaze or matte glaze; the transparent glaze is prepared from potash feldspar, lithium porcelain stone, quartz powder, strontium carbonate, barium carbonate, calcined talc, light calcium carbonate, kaolin and ceramic powder; and the matte glaze is prepared from potash feldspar, lithium porcelain stone, quartz powder, strontium carbonate, alumina, calcined talc, light calcium carbonate, kaolin, calcined zinc oxide and barium carbonate.
Description
Technical field
The present invention relates to Shi porcelain, especially relate to a kind of low temperature Shi porcelain formula.
Background technology
Traditional Shi porcelain firing temperature is 1250～1280 ℃, and its shortcoming is that energy consumption is high, and sintering qualified rate is low.
Chinese patent CN101066862 discloses a kind of low temperature high silicon stoneware and manufacture craft thereof, this technique is for the coefficient of expansion and the unmatched problem of some special artistic glazes of traditional high silicon stoneware, guaranteeing under the prerequisite of its physicochemical property, in base substrate, introduce the quartz of a large amount of variable grain ranks, increase the coefficient of expansion of base substrate.On the basis of former Shi porcelain composition, add the quartz of variable grain rank, main expressivity mineral composition is feldspar, kaolin, quartz and rhombspar, and the proportioning of each composition is as follows: albite 15%～35%; Kaolin 25%～40%; Quartz 35%～50%; Rhombspar 1%～5%.Adopt common Shi porcelain sintering technology, it is characterized in that: firing range is 1175～1225 ℃, and water-intake rate is controlled between 1%～4%.
Summary of the invention
The object of the present invention is to provide and can obviously reduce firing temperature and energy consumption, improve a kind of low temperature Shi porcelain formula of sintering qualified rate.
The formula of described low temperature Shi porcelain comprises slip-casting mud and raw glaze;
Described slip-casting mud raw material by mass percentage consists of: potassium felspar sand 18.5%～20.5%, lithium porcelain stone 24.5%～26.5%, silica powder 15%, kaolin 15%, smolmitza 15%, pyrophyllite powder 5%, porcelain powder 5%;
Described raw glaze can adopt transparent or matt glaze;
Described transparent raw material by mass percentage consists of: potassium felspar sand 13%～17%, lithium porcelain stone 28%～32%, silica powder 21%, Strontium carbonate powder 3%, barium carbonate 5%, calcination of talc 3%, light calcium carbonate 14%, kaolin 5%, porcelain powder 4%;
Described matt glaze raw material by mass percentage consists of: potassium felspar sand 23%～28%, lithium porcelain stone 8%～13%, silica powder 9%, Strontium carbonate powder 3%, aluminum oxide 5%, calcination of talc 3%, light calcium carbonate 12%, kaolin 8%, calcination zinc oxide 4%, barium carbonate 20%.
In described slip-casting mud, it is 200 order powderies that described potassium felspar sand can adopt quality standard, K
2o+Na
2o>=12%, Na
2o≤3%; It is 100 order powderies that described lithium porcelain stone can adopt quality standard, Li
2o≤2%, K
2o+Na
2o>=5%, for example: the 801 lithium porcelain stones that produce in Jiangxi; It is 325 order powderies that described silica powder can adopt quality standard, Si
2o>=95%; It is 325 orders that described kaolin can adopt quality standard, eluriates soil, for example: kaolin is produced in Longyan; It is 200 orders that described smolmitza can adopt quality standard, eluriates soil, for example: smolmitza is produced in Guangdong; It is 200 orders that described pyrophyllite powder can adopt quality standard, for example: pyrophyllite powder is produced in Fujian; It is 200 orders that described porcelain powder can adopt quality standard.
In described transparent, it is 200 order powderies that described potassium felspar sand can adopt quality standard, K
2o+Na
2o>=12%, Na
2o≤3%; It is 100 order powderies that described lithium porcelain stone can adopt quality standard, Li
2o≤2%, K
2o+Na
2o>=5%, for example: the 801 lithium porcelain stones that produce in Jiangxi; It is 325 order powderies that described silica powder can adopt quality standard, Si
2o>=95%; It is 200 orders that described calcination of talc can adopt quality standard, 1250 ℃ of calcinings, MgO28%～30%; It is 325 orders that described kaolin can adopt quality standard, eluriates soil, for example: kaolin is produced in Longyan; It is 200 orders that described porcelain powder can adopt quality standard.
In described matt glaze, it is 200 order powderies that described potassium felspar sand can adopt quality standard, K
2o+Na
2o>=12%, Na
2o≤3%, for example: too rather produce potassium felspar sand; It is 100 order powderies that described lithium porcelain stone can adopt quality standard, Li
2o≤2%, K
2o+Na
2o>=5%, for example: the 801 lithium porcelain stones that produce in Jiangxi; It is 325 order powderies that described silica powder can adopt quality standard, Si
2o>=95%, for example: Fujian Province's Xianyou is produced silica powder; It is 200 order powderies that described Strontium carbonate powder can adopt quality standard, content 99%; It is 200 order powderies that described aluminum oxide can adopt quality standard, content 99%; It is 200 orders that described calcination of talc can adopt quality standard, 1250 ℃ of calcinings; It is 325 orders that described kaolin can adopt quality standard, eluriates soil, for example: kaolin is produced in Longyan.
The preparation method of described low temperature Shi porcelain is as follows:
By each raw material ball milling, old aftershaping, then glazing after drying, after burning till, on glaze, decorate again, then, after decoration firing, can check and dispatch from the factory.Wherein, need to carry out the preparation of glaze before glazing, the glazing batching in glaze preparation needs through ball milling and old.
The present invention is reduced to 1140～1160 ℃ by formulation optimization by firing temperature, realizes water-intake rate and is controlled in 3%, and thermostability and intensity reach the standard of Shi porcelain.In addition, by formulation optimization, keep using raw glaze (not adding low temperature frit, because low temperature frit glaze can increase energy consumption in the time of calcining).The technique of the formula after adjustment and technical parameter, as water-intake rate, thermostability, firing temperature, midge and the time of consolidating reach or exceed the level of original formulation, and sintering qualified rate obviously improves.
Embodiment
Embodiment 1:
The formula of described low temperature Shi porcelain comprises slip-casting mud and raw glaze;
Described slip-casting mud raw material by mass percentage consists of: potassium felspar sand 18.5%, lithium porcelain stone 26.5%, silica powder 15%, kaolin 15%, smolmitza 15%, pyrophyllite powder 5%, porcelain powder 5%;
Described raw glaze can adopt transparent; Described transparent raw material by mass percentage consists of: potassium felspar sand 13%, lithium porcelain stone 32%, silica powder 21%, Strontium carbonate powder 3%, barium carbonate 5%, calcination of talc 3%, light calcium carbonate 14%, kaolin 5%, porcelain powder 4%;
In described slip-casting mud, it is 200 order powderies that described potassium felspar sand can adopt quality standard, K
2o+Na
2o>=12%, Na
2o≤3%; It is 100 order powderies that described lithium porcelain stone can adopt quality standard, Li
2o≤2%, K
2o+Na
2o>=5%, for example: the 801 lithium porcelain stones that produce in Jiangxi; It is 325 order powderies that described silica powder can adopt quality standard, Si
2o>=95%; It is 325 orders that described kaolin can adopt quality standard, eluriates soil, for example: kaolin is produced in Longyan; It is 200 orders that described smolmitza can adopt quality standard, eluriates soil, for example: smolmitza is produced in Guangdong; It is 200 orders that described pyrophyllite powder can adopt quality standard, for example: pyrophyllite powder is produced in Fujian; It is 200 orders that described porcelain powder can adopt quality standard.
In described transparent, it is 200 order powderies that described potassium felspar sand can adopt quality standard, K
2o+Na
2o>=12%, Na
2o≤3%; It is 100 order powderies that described lithium porcelain stone can adopt quality standard, Li
2o≤2%, K
2o+Na
2o>=5%, for example: the 801 lithium porcelain stones that produce in Jiangxi; It is 325 order powderies that described silica powder can adopt quality standard, Si
2o>=95%; It is 200 orders that described calcination of talc can adopt quality standard, 1250 ℃ of calcinings, MgO28%～30%; It is 325 orders that described kaolin can adopt quality standard, eluriates soil, for example: kaolin is produced in Longyan; It is 200 orders that described porcelain powder can adopt quality standard.
The preparation method of described low temperature Shi porcelain is as follows:
By each raw material ball milling, old aftershaping, then glazing after drying, after burning till, on glaze, decorate again, then, after decoration firing, can check and dispatch from the factory.Wherein, need to carry out the preparation of glaze before glazing, the glazing batching in glaze preparation needs through ball milling and old.
Embodiment 2:
Similar to Example 1, described raw glaze adopts matt glaze, and described matt glaze raw material by mass percentage consists of: potassium felspar sand 23%, lithium porcelain stone 13%, silica powder 9%, Strontium carbonate powder 3%, aluminum oxide 5%, calcination of talc 3%, light calcium carbonate 12%, kaolin 8%, calcination zinc oxide 4%, barium carbonate 20%.
In described matt glaze, it is 200 order powderies that described potassium felspar sand can adopt quality standard, K
2o+Na
2o>=12%, Na
2o≤3%, for example: too rather produce potassium felspar sand; It is 100 order powderies that described lithium porcelain stone can adopt quality standard, Li
2o≤2%, K
2o+Na
2o>=5%, for example: the 801 lithium porcelain stones that produce in Jiangxi; It is 325 order powderies that described silica powder can adopt quality standard, Si
2o>=95%, for example: Fujian Province's Xianyou is produced silica powder; It is 200 order powderies that described Strontium carbonate powder can adopt quality standard, content 99%; It is 200 order powderies that described aluminum oxide can adopt quality standard, content 99%; It is 200 orders that described calcination of talc can adopt quality standard, 1250 ℃ of calcinings; It is 325 orders that described kaolin can adopt quality standard, eluriates soil, for example: kaolin is produced in Longyan.
Embodiment 3:
Similar to Example 1, its difference is that described slip-casting mud raw material by mass percentage consists of: potassium felspar sand 19.5%, lithium porcelain stone 25.5%; Described transparent raw material by mass percentage consists of: potassium felspar sand 15%, lithium porcelain stone 30%;
Embodiment 4:
Similar to Example 2, its difference is that described slip-casting mud raw material by mass percentage consists of: potassium felspar sand 19.5%, lithium porcelain stone 25.5%; Described matt glaze raw material by mass percentage consists of: potassium felspar sand 25%, lithium porcelain stone 10%.
Embodiment 5:
Similar to Example 3, its difference is that described slip-casting mud raw material by mass percentage consists of: potassium felspar sand 20.5%, lithium porcelain stone 24.5%; Described transparent raw material by mass percentage consists of: potassium felspar sand 17%, lithium porcelain stone 28%.
Embodiment 6:
Similar to Example 4, its difference is that described slip-casting mud raw material by mass percentage consists of: potassium felspar sand 20.5%, lithium porcelain stone 24.5%; Described matt glaze raw material by mass percentage consists of: potassium felspar sand 28%, lithium porcelain stone 8%.
Below provide the test result of the prepared low temperature Shi porcelain of the present invention:
1, the shrinking percentage of slip-casting mud: be dryly punctured into 2.5%, burn till and be punctured into 8.4%, be always punctured into 10.8%.
2, firing temperature is 1150 ℃, and firing period is 8h (4.5h that wherein heats up, cooling 3.5h), and the water-intake rate of test is 1.76%.
, there is not wind glaze, burst and other defects in 3, thermostability: 180 ℃ to room temperature heat exchange 3 times.
4, suction time, consolidate time, mobility, the isoparametric test result of thixotropy: with original formulation ratio, all meet or exceed original level, wherein: suction time reduce 4min, consolidate time shorten 8min, opening's edge deformation rate significantly reduces.
Compared with existing Shi porcelain formula, main advantage of the present invention is as follows:
1, burn till energy consumption and can reduce 18%.
2, the production efficiency of grouting with plunger can improve 12%.
3, sintering qualified rate can improve 2.1%, and major embodiment is that deformation rate reduces 1.5%, and cracking reduces 0.6%, and other ratio of defects remains basically stable.
Claims (7)
1. a low temperature Shi porcelain, is characterized in that the formula of described low temperature Shi porcelain comprises slip-casting mud and raw glaze;
Described slip-casting mud raw material by mass percentage consists of: potassium felspar sand 18.5%～20.5%, lithium porcelain stone 24.5%～26.5%, silica powder 15%, kaolin 15%, smolmitza 15%, pyrophyllite powder 5%, porcelain powder 5%.
2. a kind of low temperature Shi porcelain as claimed in claim 1, is characterized in that described raw glaze adopts transparent or matt glaze.
3. a kind of low temperature Shi porcelain as claimed in claim 2, is characterized in that described transparent raw material by mass percentage consists of: potassium felspar sand 13%～17%, lithium porcelain stone 28%～32%, silica powder 21%, Strontium carbonate powder 3%, barium carbonate 5%, calcination of talc 3%, light calcium carbonate 14%, kaolin 5%, porcelain powder 4%.
4. a kind of low temperature Shi porcelain as claimed in claim 2, is characterized in that described matt glaze raw material by mass percentage consists of: potassium felspar sand 23%～28%, lithium porcelain stone 8%～13%, silica powder 9%, Strontium carbonate powder 3%, aluminum oxide 5%, calcination of talc 3%, light calcium carbonate 12%, kaolin 8%, calcination zinc oxide 4%, barium carbonate 20%.
5. a kind of low temperature Shi porcelain as claimed in claim 1, is characterized in that in described slip-casting mud, and it is 200 order powderies that described potassium felspar sand adopts quality standard, K
2o+Na
2o>=12%, Na
2o≤3%; It is 100 order powderies that described lithium porcelain stone adopts quality standard, Li
2o≤2%, K
2o+Na
2o>=5%; It is 325 order powderies that described silica powder adopts quality standard, Si
2o>=95%; It is 325 orders that described kaolin adopts quality standard, eluriates soil; It is 200 orders that described smolmitza adopts quality standard, eluriates soil; It is 200 orders that described pyrophyllite powder adopts quality standard; It is 200 orders that described porcelain powder adopts quality standard.
6. a kind of low temperature Shi porcelain as claimed in claim 3, is characterized in that in described transparent, and it is 200 order powderies that described potassium felspar sand adopts quality standard, K
2o+Na
2o>=12%, Na
2o≤3%; It is 100 order powderies that described lithium porcelain stone adopts quality standard, Li
2o≤2%, K
2o+Na
2o>=5%; It is 325 order powderies that described silica powder adopts quality standard, Si
2o>=95%; It is 200 orders that described calcination of talc adopts quality standard, 1250 ℃ of calcinings, MgO28%～30%; It is 325 orders that described kaolin adopts quality standard, eluriates soil; It is 200 orders that described porcelain powder adopts quality standard.
7. a kind of low temperature Shi porcelain as claimed in claim 4, is characterized in that in described matt glaze, and it is 200 order powderies that described potassium felspar sand adopts quality standard, K
2o+Na
2o>=12%, Na
2o≤3%; It is 100 order powderies that described lithium porcelain stone adopts quality standard, Li
2o≤2%, K
2o+Na
2o>=5%; It is 325 order powderies that described silica powder adopts quality standard, Si
2o>=95%; It is 200 order powderies that described Strontium carbonate powder adopts quality standard, content 99%; It is 200 order powderies that described aluminum oxide adopts quality standard, content 99%; It is 200 orders that described calcination of talc adopts quality standard, 1250 ℃ of calcinings; It is 325 orders that described kaolin adopts quality standard, eluriates soil.
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| CN201310181797.5A CN103232222B (en) | 2013-05-16 | 2013-05-16 | Low-temperature stoneware formula |
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|---|---|---|---|
| CN201310181797.5A CN103232222B (en) | 2013-05-16 | 2013-05-16 | Low-temperature stoneware formula |
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| CN103232222A CN103232222A (en) | 2013-08-07 |
| CN103232222B true CN103232222B (en) | 2014-07-02 |
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| CN103467067A (en) * | 2013-08-15 | 2013-12-25 | 淮北市惠尔普建筑陶瓷有限公司 | Polished crystal tile |
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| CN103951379A (en) * | 2014-04-16 | 2014-07-30 | 景德镇高新东风陶瓷有限公司 | Method for producing low-temperature porcelain medicine bottle |
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| CN108083851A (en) * | 2017-12-26 | 2018-05-29 | 湖南华联瓷业股份有限公司 | A kind of medium temperature mat glaze and preparation method thereof |
| CN108821588B (en) * | 2018-06-25 | 2021-05-18 | 广东家美陶瓷有限公司 | High-alumina barium ceramic glaze, ink-jet ceramic tile containing high-alumina barium ceramic glaze and preparation method of ink-jet ceramic tile |
| CN108947475B (en) * | 2018-08-13 | 2021-06-18 | 广东宝爵新材料实业有限公司 | Stoneware capable of improving water quality |
| CN110981425A (en) * | 2019-10-31 | 2020-04-10 | 醴陵振美艺术陶瓷有限公司 | Daily-use porcelain and processing technology thereof |
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