CN105198380A - High-pressure formed porcelain clay and preparation method thereof - Google Patents
High-pressure formed porcelain clay and preparation method thereof Download PDFInfo
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- CN105198380A CN105198380A CN201510744174.3A CN201510744174A CN105198380A CN 105198380 A CN105198380 A CN 105198380A CN 201510744174 A CN201510744174 A CN 201510744174A CN 105198380 A CN105198380 A CN 105198380A
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Abstract
The invention relates to high-pressure formed porcelain clay and a preparation method thereof. The porcelain clay comprises components in percentage by mass as follows: 25%-28% of ball clay, 12%-14% of feldspar, 9%-12% of kaolin, 2%-4% of black soil, 35%-45% of elutriation mud and 5%-7% of dolomite. The porcelain clay has the characteristics of high-pressure forming, low sintering temperature and high strength. The preparation method is simple to operate, and the ratio of the kaolin to the dolomite is given originally, so that the formed porcelain clay has fewer cracks, high density and high flatness, and can be formed by a high-pressure grouting machine at a high pressure higher than 11 atmospheres, and the sintered porcelain clay has the characteristics of low sintering temperature and high strength.
Description
Technical field
The invention belongs to ceramic sanitary ware field, porcelain mud being specifically related to a kind of high-pressure molding and preparation method thereof.
Background technology
Pottery shaping available high-pressure grout injector, carry out shaping to porcelain mud, after carry out subsequent operations.Traditional ceramic mud, mostly all use the form of mould slip casting to carry out shaping, this grouting mode comparatively efficiency is not high, and along with the industrial requirement of Production of Ceramics is aggravated, high-pressure slip-casting is shaping instead of mould injection forming gradually.Existing porcelain mud is difficult to the requirement adapting to high-pressure slip-casting molding device, and for traditional porcelain mud, under the high pressure of high-pressure grout injector, the base substrate of formation easily ftractures, and cannot adapt to the requirement of high-pressure molding.
Summary of the invention
The present invention overcomes above-mentioned defect, porcelain mud providing a kind of high-pressure molding and preparation method thereof, and it is atmospheric higher than 11 that this porcelain mud adapts to high-pressure grout injector.
Technical solution of the present invention is as follows.
A porcelain mud for high-pressure molding, described porcelain mud comprises according to mass percent:
Ball clay 25%-28%
Feldspar 12%-14%
Kaolin 9%-12%
The native 2%-4% of crow
Eluriate mud 35%-45%
Rhombspar 5%-7%.
Further, the mass ratio between described kaolin and rhombspar is 1.3 ~ 2.4.
A preparation method for the porcelain mud of high-pressure molding, comprises the steps:
(1) pulled an oar by ball clay, eluriate, get mud and remove sand, screening 140-180 object ball clay, obtains pretreated ball clay;
(2) by after feldspar, kaolin, rhombspar and the mixing of crow soil, ball milling 15-18h, makes fineness reach 100-140 order, obtains mixture A;
(3) mixed by the mixture A of the pretreated ball clay of step (1) gained with step (2) gained, pressure mud, obtains mixture B;
(4) elutriation mud machinery is forged, make pug fineness reach 200-240 order, obtain pretreated elutriation mud;
(5), after mixture B and elutriation mud fully being mixed with hollander, 5-7h is stirred;
(6) utilize the die perfusion of high-pressure grout injector, described infusion time is 46-50min, obtains the base substrate prepared by the porcelain mud of high-pressure molding.
In aforesaid method, in step (3), the time of described pressure mud is 1 ~ 2h.
In aforesaid method, the follow-up sintering temperature of described base substrate is 1230 ~ 1250 DEG C.
In aforesaid method, the described die perfusion utilizing high-pressure grout injector, pressure is wherein 10 ~ 12 normal atmosphere.
There is provided a kind of porcelain mud of high-pressure molding low frit high strength in the present invention, this porcelain mud is established for the high-pressure slip-casting in high-pressure grout injector shaping, completes high-pressure slip-casting shaping under 11 normal atmosphere; Study discovery through contriver, the pressure mud step in the present invention and pressure mud time value play critical impact for the shaping of the finished product.Press mud step can remove the acidity of porcelain mud in the present invention, reduce soda content, improve porcelain mud stability with mobility, reduce crackle.In the present invention's formula, the ratio between kaolin and rhombspar is also a kind of important additional proportion, the porcelain mud in this ratio, and the melting excellent of its product, the cracking rate of product is low.
Compared with prior art, advantage of the present invention is:
Porcelain mud of the present invention has high-pressure molding, sintering temperature and low, the feature of high strength.Preparation method of the present invention, simple to operate, the present invention provides the ratio between kaolin and rhombspar originally, and crackle is less after shaping to make porcelain mud, density is high, planeness is high be adapted at the condition of high voltage of high-pressure grout injector under (higher than 11 normal atmosphere) shaping; Porcelain mud has sintering temperature and low after firing, the feature of high strength.
Embodiment
Do specifically to describe in detail further to the present invention below in conjunction with specific embodiment, but embodiments of the present invention are not limited thereto, for the processing parameter do not indicated especially, can refer to routine techniques and carry out.
embodiment 1
Row material is taken off according to mass percent:
Ball clay 25%, feldspar 12%, kaolin 11%, crow soil 2%, elutriation mud 45%, rhombspar 5%, altogether 2kg;
(1) ball clay is pulled an oar, eluriate, get mud and remove sand, screen 160 object ball clays, obtain pretreated ball clay;
(2) by after feldspar, kaolin, rhombspar and the mixing of crow soil, ball milling 16h, makes fineness reach 120 orders, obtains mixture A;
(3) mixed by the mixture A of the pretreated ball clay of step (1) gained with step (2) gained, pressure mud, obtains mixture B;
(4) elutriation mud machinery is forged, make pug fineness reach 220 orders, obtain pretreated;
(5) two kinds of porcelain mud are made fully to stir 5h with hollander;
(6) utilize the die perfusion of high-pressure grout injector, described infusion time is 46min(pressure is 11 normal atmosphere), obtain the base substrate prepared by the porcelain mud of high-pressure molding.
embodiment 2
Row material is taken off according to mass percent:
Ball clay 28%, feldspar 14%, kaolin 12%, crow soil 4%, elutriation mud 35%, rhombspar 7%, altogether 2kg.
(1) ball clay is pulled an oar, eluriate, get mud and remove sand, screen 180 object ball clays, obtain pretreated ball clay;
(2) by after feldspar, kaolin, rhombspar and the mixing of crow soil, ball milling 18h, makes fineness reach 140 orders, obtains mixture A;
(3) mixed by the mixture A of the pretreated ball clay of step (1) gained with step (2) gained, pressure mud, obtains mixture B;
(4) elutriation mud machinery is forged, make pug fineness reach 240 orders, obtain pretreated;
(5) two kinds of porcelain mud are made fully to stir 7h with hollander;
(6) utilize the mould high pressure pouring of high-pressure grout injector, described infusion time is 50min(pressure is 11 normal atmosphere), obtain the base substrate prepared by the porcelain mud of high-pressure molding.
embodiment 3
Described porcelain mud comprises according to mass percent: ball clay 27%, feldspar 13%, kaolin 10%, crow soil 4%, elutriation mud 40%, rhombspar 6%, altogether 2kg.
(1) ball clay is pulled an oar, eluriate, get mud and remove sand, screen 160 object ball clays, obtain pretreated ball clay;
(2) by after feldspar, kaolin, rhombspar and the mixing of crow soil, ball milling 15h, makes fineness reach 120 orders, obtains mixture A;
(3) mixed by the mixture A of the pretreated ball clay of step (1) gained with step (2) gained, pressure mud, obtains mixture B;
(4) elutriation mud machinery is forged, make pug fineness reach 220 orders, obtain pretreated;
(5) two kinds of porcelain mud are made fully to stir 6h with hollander;
(6) utilize the die perfusion of high-pressure grout injector, described infusion time is 48min(pressure is 11 normal atmosphere), obtain the base substrate prepared by the porcelain mud of high-pressure molding.
By test, embodiment 1 ~ 3 obtains the base substrate prepared by the porcelain mud of high-pressure molding; Through conventional ceramic sintering method, under the condition of 1230 DEG C, firing its water-intake rate of product obtained is 0.1%, and by test, its intensity gets a promotion.
Use high-pressure grout injector to pour in common porcelain mud, under 11 normal atmosphere, its planeness of the base substrate of formation follows cracking breakout higher than the planeness of the base using porcelain mud and preparation method in the present invention all far away with cracking breakout.
The above embodiment of the present invention is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.All any amendments done within the spirit and principles in the present invention, equivalent to replace and improvement etc., within the protection domain that all should be included in the claims in the present invention.
Claims (6)
1. the porcelain mud of high-pressure molding, is characterized in that, described porcelain mud comprises according to mass percent:
Ball clay 25%-28%
Feldspar 12%-14%
Kaolin 9%-12%
The native 2%-4% of crow
Eluriate mud 35%-45%
Rhombspar 5%-7%.
2. the porcelain mud of high-pressure molding according to claim 1, it is characterized in that, the mass ratio between described kaolin and rhombspar is 1.3 ~ 2.4.
3. the preparation method of the porcelain mud of high-pressure molding described in claim 1, is characterized in that, comprise the steps:
(1) pulled an oar by ball clay, eluriate, get mud and remove sand, screening 140-180 object ball clay, obtains pretreated ball clay;
(2) by after feldspar, kaolin, rhombspar and the mixing of crow soil, ball milling 15-18h, makes fineness reach 100-140 order, obtains mixture A;
(3) mixed by the mixture A of the pretreated ball clay of step (1) gained with step (2) gained, pressure mud, obtains mixture B;
(4) elutriation mud machinery is forged, make pug fineness reach 200-240 order, obtain pretreated elutriation mud;
(5), after mixture B and elutriation mud fully being mixed with hollander, 5-7h is stirred;
(6) utilize the die perfusion of high-pressure grout injector, described infusion time is 46-50min, obtains the base substrate prepared by the porcelain mud of high-pressure molding.
4. preparation method according to claim 3, is characterized in that, in step (3), the time of described pressure mud is 1 ~ 2h.
5. preparation method according to claim 3, is characterized in that, the follow-up sintering temperature of described base substrate is 1230 ~ 1250 DEG C.
6. preparation method according to claim 3, is characterized in that, the described die perfusion utilizing high-pressure grout injector, and pressure is wherein 10 ~ 12 normal atmosphere.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510744174.3A CN105198380A (en) | 2015-11-05 | 2015-11-05 | High-pressure formed porcelain clay and preparation method thereof |
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| CN201510744174.3A CN105198380A (en) | 2015-11-05 | 2015-11-05 | High-pressure formed porcelain clay and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106082960A (en) * | 2016-06-24 | 2016-11-09 | 九牧厨卫股份有限公司 | A kind of compositions for preparing ceramic high pressure casting mud and use the mud that said composition is prepared from |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101386520A (en) * | 2008-10-31 | 2009-03-18 | 景德镇哈哈尼陶瓷文化发展有限公司 | Colorful ceramic and preparation method thereof |
| CN101597161A (en) * | 2009-06-23 | 2009-12-09 | 山东硅元新型材料有限责任公司 | High silicon porcelain |
| CN104016661A (en) * | 2014-06-03 | 2014-09-03 | 黄利川 | Preparing method of bone art porcelain |
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2015
- 2015-11-05 CN CN201510744174.3A patent/CN105198380A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101386520A (en) * | 2008-10-31 | 2009-03-18 | 景德镇哈哈尼陶瓷文化发展有限公司 | Colorful ceramic and preparation method thereof |
| CN101597161A (en) * | 2009-06-23 | 2009-12-09 | 山东硅元新型材料有限责任公司 | High silicon porcelain |
| CN104016661A (en) * | 2014-06-03 | 2014-09-03 | 黄利川 | Preparing method of bone art porcelain |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106082960A (en) * | 2016-06-24 | 2016-11-09 | 九牧厨卫股份有限公司 | A kind of compositions for preparing ceramic high pressure casting mud and use the mud that said composition is prepared from |
| CN106082960B (en) * | 2016-06-24 | 2019-01-08 | 九牧厨卫股份有限公司 | A kind of composition being used to prepare ceramic high pressure casting mud and its mud being prepared using the composition |
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Application publication date: 20151230 |