CN103739302A - Production process of high-temperature-resistant ceramic - Google Patents
Production process of high-temperature-resistant ceramic Download PDFInfo
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- CN103739302A CN103739302A CN201410004948.4A CN201410004948A CN103739302A CN 103739302 A CN103739302 A CN 103739302A CN 201410004948 A CN201410004948 A CN 201410004948A CN 103739302 A CN103739302 A CN 103739302A
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Abstract
The invention discloses a production process of a high-temperature-resistant ceramic. The production process adopts a formula comprising the following components in percentage by weight: 43-52% of Australian spodumene, 5-9% of quartz, 6-10% of Guangxi attaclay, 13-17% of Guangdong washed kaolin, 10-14% of Longyan washed kaolin, 7-11% of Guizhou washed kaolin, 10% of talc powder and the balance of clear water. The production process comprises the steps of crushing; weighing; mixing the components of the formula together, adding the clear water, and then grinding; performing magnetic separation to remove iron impurities; pressing a slurry raw material into a clay cake product for forming; performing biscuit firing; enameling; performing high-temperature firing at 1240 DEG C to obtain a finished product. The raw materials of the production process disclosed by the invention are easily available, the Australian spodumene, Guangxi attaclay, Guangdong washed kaolin, Longyan washed kaolin, Guizhou washed kaolin and the talc powder abound in respective corresponding areas, so that the raw material obtaining cost is low, the whole manufacturing process is relatively simple, the manufacturing cost is greatly reduced compared with that in the past, and the prepared ceramic is good in quality.
Description
Technical field
The present invention relates to ceramic product technical field, be specifically related to a kind of production technique of refractory ceramics.
Background technology
Refractory ceramics is the important component part of special cermacis, sometimes also as the integral part of high-temperature refractory.Can be used as high-temperature structural material, for many fields such as aerospace, nuclear power, electronic technology, machinery, chemical industry, metallurgy, is the indispensable high temperature engineering materials of modern science and technology, and various in style, purposes is very extensive.
Because traditional high temperature ceramic material composition is single, in nature, exist obvious deficiency, as corundum material, sintering temperature is high, and the thermal expansivity of sintered compact is large, and heat-shock resistance is poor, and the oxidation-resistance of thyrite is poor etc.And high temperature ceramic material in use, has processing difficulties, heat-shock resistance is poor, the shortcoming such as be difficult for boning, so the industry novel fire resistant stupalith Composite that begins one's study.NEW TYPE OF COMPOSITE high temperature ceramic material has the performances such as good heat-shock resistance, anti-fracture toughness, high temperature resistant melt salt hot corrosion.Yet NEW TYPE OF COMPOSITE high temperature ceramic material ubiquity raw material obtains the shortcomings such as difficulty, manufacturing process difficulty is high, manufacturing cost is high.
Summary of the invention
The technical problem to be solved in the present invention is the defect for prior art, provides that a kind of preparation condition is not high, raw material easily obtains, the production technique of good product quality, refractory ceramics that manufacturing cost is lower.
For solving the problems of the technologies described above, the present invention adopts following technical scheme: a kind of production technique of refractory ceramics, is characterized in that: adopt formula as follows:
Spodumene 43-52%
Quartzy 5-9%
Guangxi attaclay 6-10%
Guangdong water-washed kaoline 13-17%
Longyan water-washed kaoline 10-14%
Guizhou water-washed kaoline 7-11%
Talcum powder 1%
Clear water
Wherein, Spodumene is Li
2oAl
2o
34SiO
2(8%Li
2o).
Production technique is carried out according to the following steps:
1), pulverize: Spodumene, quartz raw material are crushed to the particulate state that diameter is less than 5 millimeters;
2), weigh: according to formula rate, take Guangxi attaclay, Guangdong water-washed kaoline, Longyan water-washed kaoline, Guizhou water-washed kaoline and talcum powder;
3), by aforementioned each formula mix and add clear water, then put ball mill grinding and within 28-30 hours, obtain mud, it can be standard by 250 mesh sieves that moil fineness be take, the row filter of going forward side by side;
4), carry out magnetic separation, by iron contamination removal contained in mud raw material;
5), mud raw material is pressed into mud cake, the water ratio of mud cake is less than 23%;
6), formed product;
7), biscuiting: the kiln temperature with 800 degrees Celsius is fired 5-6 hour;
8), glazing;
9), with the high-temperature firings of 1240 degrees Celsius 8-10 hours, obtain finished product.
The grinding rotating speed of described ball mill is that per minute 13 turns, long 4 meters of grinding container, 3.2 meters of diameters.
The raw material that the present invention adopts easily obtains, Spodumene, Guangxi attaclay, Guangdong water-washed kaoline, Longyan water-washed kaoline, Guizhou water-washed kaoline etc. all exist in a large number in each self-corresponding area, raw material procurement cost is low, whole manufacturing process is fairly simple, manufacturing cost is than greatly reducing in the past, the ceramic mass making is good, both can be applicable to the industrial circles such as machinery, chemical industry, metallurgy, also can be applicable to daily life field.
Embodiment
Below in conjunction with embodiment, be described further:
Embodiment 1, and the production technique of described refractory ceramics adopts formula as follows:
Spodumene 43%
Quartzy 9%
Guangxi attaclay 10%
Guangdong water-washed kaoline 14%
Longyan water-washed kaoline 13%
Guizhou water-washed kaoline 10%
Talcum powder 1%
Clear water
Production technique is carried out according to the following steps:
1), pulverize: Spodumene, quartz raw material are crushed to the particulate state that diameter is less than 5 millimeters;
2), weigh: according to formula rate, take Guangxi attaclay, Guangdong water-washed kaoline, Longyan water-washed kaoline, Guizhou water-washed kaoline and talcum powder;
3), by aforementioned each formula mix and add clear water, then put ball mill grinding and within 28 hours, obtain mud, it can be standard by 250 mesh sieves that moil fineness be take, the row filter of going forward side by side;
4), carry out magnetic separation, by iron contamination removal contained in mud raw material;
5), mud raw material is pressed into mud cake, the water ratio of mud cake is less than 23%;
6), formed product;
7), biscuiting: fire 5 hours with the kiln temperature of 800 degrees Celsius;
8), glazing;
9), with the high-temperature firings of 1240 degrees Celsius 8 hours, obtain finished product.
Embodiment 2, and the production technique of described refractory ceramics adopts formula as follows:
Spodumene 48%
Quartzy 7%
Guangxi attaclay 8%
Guangdong water-washed kaoline 15%
Longyan water-washed kaoline 12%
Guizhou water-washed kaoline 9%
Talcum powder 1%
Clear water
Production technique is carried out according to the following steps:
1), pulverize: Spodumene, quartz raw material are crushed to the particulate state that diameter is less than 5 millimeters;
2), weigh: according to formula rate, take Guangxi attaclay, Guangdong water-washed kaoline, Longyan water-washed kaoline, Guizhou water-washed kaoline and talcum powder;
3), by aforementioned each formula mix and add clear water, then put ball mill grinding 29 hours, it can be standard by 250 mesh sieves that moil fineness be take, the row filter of going forward side by side;
4), carry out magnetic separation, by iron contamination removal contained in mud raw material;
5), mud raw material is pressed into mud cake, the water ratio of mud cake is less than 23%;
6), formed product;
7), biscuiting: fire 5.5 hours with the kiln temperature of 800 degrees Celsius;
8), glazing;
9), with the high-temperature firings of 1240 degrees Celsius 9 hours, obtain finished product.
Embodiment 3, and the production technique of described refractory ceramics adopts formula as follows:
Spodumene 52%
Quartzy 5%
Guangxi attaclay 6%
Guangdong water-washed kaoline 13%
Longyan water-washed kaoline 12%
Guizhou water-washed kaoline 11%
Talcum powder 1%
Clear water
Production technique is carried out according to the following steps:
1), pulverize: Spodumene, quartz raw material are crushed to the particulate state that diameter is less than 5 millimeters;
2), weigh: according to formula rate, take Guangxi attaclay, Guangdong water-washed kaoline, Longyan water-washed kaoline, Guizhou water-washed kaoline and talcum powder;
3), by aforementioned each formula mix and add clear water, then put ball mill grinding 30 hours, it can be standard by 250 mesh sieves that moil fineness be take, the row filter of going forward side by side;
4), carry out magnetic separation, by iron contamination removal contained in mud raw material;
5), mud raw material is pressed into mud cake, the water ratio of mud cake is less than 23%;
6), formed product;
7), biscuiting: fire 6 hours with the kiln temperature of 800 degrees Celsius;
8), glazing;
9), with the high-temperature firings of 1240 degrees Celsius 10 hours, obtain finished product.
Embodiment 4, and the production technique of described refractory ceramics adopts formula as follows:
Spodumene 52%
Quartzy 7%
Guangxi attaclay 6%
Guangdong water-washed kaoline 13%
Longyan water-washed kaoline 14%
Guizhou water-washed kaoline 7%
Talcum powder 1%
Clear water
Production technique is carried out according to the following steps:
1), pulverize: Spodumene, quartz raw material are crushed to the particulate state that diameter is less than 5 millimeters;
2), weigh: according to formula rate, take Guangxi attaclay, Guangdong water-washed kaoline, Longyan water-washed kaoline, Guizhou water-washed kaoline and talcum powder;
3), by aforementioned each formula mix and add clear water, then put ball mill grinding 28 hours, it can be standard by 250 mesh sieves that moil fineness be take, the row filter of going forward side by side;
4), carry out magnetic separation, by iron contamination removal contained in mud raw material;
5), mud raw material is pressed into mud cake, the water ratio of mud cake is less than 23%;
6), formed product;
7), biscuiting: fire 5.5 hours with the kiln temperature of 800 degrees Celsius;
8), glazing;
9), with the high-temperature firings of 1240 degrees Celsius 9 hours, obtain finished product.
Embodiment 5, and the production technique of described refractory ceramics adopts formula as follows:
Spodumene 52%
Quartzy 5%
Guangxi attaclay 6%
Guangdong water-washed kaoline 17%
Longyan water-washed kaoline 10%
Guizhou water-washed kaoline 9%
Talcum powder 1%
Clear water
Production technique is carried out according to the following steps:
1), pulverize: Spodumene, quartz raw material are crushed to the particulate state that diameter is less than 5 millimeters;
2), weigh: according to formula rate, take Guangxi attaclay, Guangdong water-washed kaoline, Longyan water-washed kaoline, Guizhou water-washed kaoline and talcum powder;
3), by aforementioned each formula mix and add clear water, then put ball mill grinding 28 hours, it can be standard by 250 mesh sieves that moil fineness be take, the row filter of going forward side by side;
4), carry out magnetic separation, by iron contamination removal contained in mud raw material;
5), mud raw material is pressed into mud cake, the water ratio of mud cake is less than 23%;
6), formed product;
7), biscuiting: fire 5 hours with the kiln temperature of 800 degrees Celsius;
8), glazing;
9), with the high-temperature firings of 1240 degrees Celsius 10 hours, obtain finished product.
Wherein, Guangdong water-washed kaoline detects data as following table:
| Element | Fe 2O 3 | MgO | CaO | TiO 2 | Al 2O 3 | SiO 2 | K 2O | Na 2O |
| Reference concentration | 10.00 | 5.00 | 10.00 | 4.00 | 80.92 | 216.10 | 10.00 | 10.00 |
| Blank reading | 3 | 377 | 188 | 54 | 182 | 76 | 56 | 289 |
| Reference reading | 2194 | 566 | 354 | 494 | 1298 | 1211 | 1225 | 1204 |
| A part reading | 570 | 416 | 203 | 60 | 970 | 548 | 309 | 337 |
| B part reading | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| A part content | 1.52 | 0.57 | 0.52 | 0.03 | 32.07 | 50.75 | 1.27 | 0.31 |
| B part content | ? | ? | ? | ? | ? | ? | ? | ? |
| Average content | 1.52 | 0.57 | 0.52 | 0.03 | 32.07 | 50.75 | 1.27 | 0.31 |
Guangxi kaolin detects data as following table:
| Element | Fe 2O 3 | MgO | CaO | TiO 2 | Al 2O 3 | SiO 2 | K 2O | Na 2O |
| Reference concentration | 10.00 | 5.00 | 10.00 | 4.00 | 80.92 | 216.10 | 10.00 | 10.00 |
| Blank reading | 2 | 359 | 189 | 49 | 168 | 73 | 79 | 217 |
| Reference reading | 2217 | 556 | 356 | 486 | 1294 | 1242 | 1193 | 1128 |
| A part reading | 406 | 362 | 193 | 55 | 787 | 371 | 181 | 290 |
| B part reading | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| A part content | 1.63 | 0.06 | 0.21 | 0.05 | 37.03 | 46.45 | 0.82 | 0.71 |
| B part content | ? | ? | ? | ? | ? | ? | ? | ? |
| Average content | 1.63 | 0.06 | 0.21 | 0.05 | 37.03 | 46.45 | 0.82 | 0.71 |
Longyan water-washed kaoline detects data as following table:
| Element | Fe 2O 3 | MgO | CaO | TiO 2 | Al 2O 3 | SiO 2 | K 2O | Na 2O |
| Reference concentration | 10.00 | 5.00 | 10.00 | 4.00 | 80.92 | 216.10 | 10.00 | 10.00 |
| Blank reading | 7 | 329 | 194 | 33 | 168 | 78 | 45 | 271 |
| Reference reading | 2230 | 527 | 321 | 472 | 1305 | 1160 | 994 | 974 |
| A part reading | 274 | 343 | 195 | 92 | 746 | 474 | 193 | 273 |
| B part reading | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| A part content | 0.94 | 0.25 | 0.06 | 0.42 | 29.40 | 54.36 | 1.23 | 0.02 |
| B part content | ? | ? | ? | ? | ? | ? | ? | ? |
| Average content | 0.94 | 0.25 | 0.06 | 0.42 | 29.40 | 54.36 | 1.23 | 0.02 |
Guizhou water-washed kaoline detects data as following table:
| Element | Fe 2O 3 | MgO | CaO | TiO 2 | Al 2O 3 | SiO 2 | K 2O | Na 2O |
| Reference concentration | 10.00 | 5.00 | 10.00 | 4.00 | 80.92 | 216.10 | 10.00 | 10.00 |
| Blank reading | 9 | 325 | 174 | 58 | 178 | 65 | 54 | 258 |
| Reference reading | 2289 | 521 | 313 | 475 | 1288 | 1141 | 1025 | 1030 |
| A part reading | 321 | 335 | 179 | 110 | 611 | 401 | 185 | 261 |
| B part reading | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| A part content | 1.33 | 0.23 | 0.34 | 0.48 | 26.97 | 56.42 | 1.31 | 0.04 |
| B part content | ? | ? | ? | ? | ? | ? | ? | ? |
| Average content | 1.33 | 0.23 | 0.34 | 0.48 | 26.97 | 56.42 | 1.31 | 0.04 |
The kaolin that can judge different provenances by above-mentioned each table is not identical on composition, and it is the content for several elements in balance list that the kaolin in these different places of production is mixed in proportion to object, meets high temperature ceramic material element proportioning.
Can reach resistant to elevated temperatures key be the ceramic coefficient of expansion, and the coefficient of expansion of pottery is relevant with potassium, sodium, silicon, magnesium, calcium, aluminium element etc.; The large minispread of the thermal expansivity of potassium, sodium, silicon, magnesium, calcium, aluminium element is arranged according to nucleidic mass.
By long-term experiment, detect, research is found, the stupalith of manufacturing according to proportioning of the present invention and processing method can be high temperature resistant more than 800 ℃, more than pottery dry combustion method to 800 ℃, (hardening is not split) adds cold water instantaneous cooling, pottery can explosion, and existing conventional ceramic product will explosion at 200-300 ℃.
Below the present invention is described in detail, the above, be only the present invention's preferred embodiment, when not limiting practical range of the present invention, allly according to the application's scope, does impartial change and modify, and all should still belong in covering scope of the present invention.
Claims (3)
1. a production technique for refractory ceramics, is characterized in that: adopt formula as follows:
Spodumene 43-52%
Quartzy 5-9%
Guangxi attaclay 6-10%
Guangdong water-washed kaoline 13-17%
Longyan water-washed kaoline 10-14%
Guizhou water-washed kaoline 7-11%
Talcum powder 1%
Clear water.
2. the production technique of refractory ceramics according to claim 1, is characterized in that: carry out according to the following steps:
1), pulverize: Spodumene, quartz raw material are crushed to the particulate state that diameter is less than 5 millimeters;
2), weigh: according to formula rate, take Guangxi attaclay, Guangdong water-washed kaoline, Longyan water-washed kaoline, Guizhou water-washed kaoline and talcum powder;
3), by aforementioned each formula mix and add clear water, then put ball mill grinding 28-30 hours, it can be standard by 250 mesh sieves that moil fineness be take, the row filter of going forward side by side;
4), carry out magnetic separation, by iron contamination removal contained in mud raw material;
5), mud raw material is pressed into mud cake, the water ratio of mud cake is less than 23%;
6), formed product;
7), biscuiting: the kiln temperature with 800 degrees Celsius is fired 5-6 hour;
8), glazing;
9), with the high-temperature firings of 1240 degrees Celsius 8-10 hours, obtain finished product.
3. the production technique of refractory ceramics according to claim 2, is characterized in that: the grinding rotating speed of described ball mill is that per minute 13 turns, long 4 meters of grinding container, 3.2 meters of diameters.
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| CN201410004948.4A CN103739302A (en) | 2014-01-07 | 2014-01-07 | Production process of high-temperature-resistant ceramic |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104961439A (en) * | 2015-06-24 | 2015-10-07 | 陈星宏 | High-strength multi-purpose ceramic production technique |
| CN105014787A (en) * | 2015-08-03 | 2015-11-04 | 广西新舵陶瓷有限公司 | Secondary grinding ceramic electricity-saving, energy-saving and consumption-reducing technology |
| CN112898002A (en) * | 2021-03-31 | 2021-06-04 | 江西省康舒陶瓷有限公司 | Heat-resistant porcelain fired by spodumene raw material and production process thereof |
| CN113261853A (en) * | 2021-05-31 | 2021-08-17 | 合浦展鹏实业有限公司 | Electric cooker with energy-saving ceramic inner container and manufacturing method thereof |
| CN113979719A (en) * | 2021-08-16 | 2022-01-28 | 德化巧工匠陶瓷科技有限公司 | One-step formed ceramic mesh filtering ceramic, mold and manufacturing process thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104961439A (en) * | 2015-06-24 | 2015-10-07 | 陈星宏 | High-strength multi-purpose ceramic production technique |
| CN105014787A (en) * | 2015-08-03 | 2015-11-04 | 广西新舵陶瓷有限公司 | Secondary grinding ceramic electricity-saving, energy-saving and consumption-reducing technology |
| CN112898002A (en) * | 2021-03-31 | 2021-06-04 | 江西省康舒陶瓷有限公司 | Heat-resistant porcelain fired by spodumene raw material and production process thereof |
| CN113261853A (en) * | 2021-05-31 | 2021-08-17 | 合浦展鹏实业有限公司 | Electric cooker with energy-saving ceramic inner container and manufacturing method thereof |
| CN113979719A (en) * | 2021-08-16 | 2022-01-28 | 德化巧工匠陶瓷科技有限公司 | One-step formed ceramic mesh filtering ceramic, mold and manufacturing process thereof |
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Application publication date: 20140423 |