CN101921101A - Production technology of zircon-alumina composite ceramic bead - Google Patents
Production technology of zircon-alumina composite ceramic bead Download PDFInfo
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- CN101921101A CN101921101A CN 201010257485 CN201010257485A CN101921101A CN 101921101 A CN101921101 A CN 101921101A CN 201010257485 CN201010257485 CN 201010257485 CN 201010257485 A CN201010257485 A CN 201010257485A CN 101921101 A CN101921101 A CN 101921101A
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- zircon
- composite ceramic
- alumina composite
- ceramic bead
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Abstract
The invention discloses a production technology of a zircon-alumina composite ceramic bead, which is characterized by comprising the following step of: preparing the zircon-alumina composite ceramic bead by using zirconium silicate, alpha-Al2O3, feldspar and calcined kaolin as raw materials, using porzite powder as an inoculating seed and adopting a rolling and balling method. In the invention, the zirconium silicate, the alpha-Al2O3, the feldspar and the calcined kaolin are used as raw materials to be reasonably mixed, the porzite powder is used as the inoculating seed, the mixed raw materials of zirconium silicate, alpha-Al2O3, and the like can be sufficiently sintered by regulating a sintering temperature in order to strengthen toughness and wear resistance, 320 meshes of the original raw powder are increased to 2500-4000 meshes, the raw powder is superfined and is beneficial to increasing the wear resistance, a binding and clustering phenomenon of balls and powder is eliminated by a wet mix grinding method, and the raw materials with different density degrees and fineness degrees can be evenly mixed to properly increase powder fineness and reduce sintering temperature and energy consumption. In a sintering technology, the zircon-alumina composite ceramic bead is sintered once and has even temperature and lower production cost.
Description
Technical field
The present invention relates to the production technique of a kind of production technique of ceramic media, particularly a kind of zircon-alumina composite ceramic bead.
Background technology
The physical strength that ceramic media possesses is big, hardness is high, density is big, high-temperature behavior is good, pollution-free to material, the acid-alkali-corrosive-resisting ability is strong, advantages such as wear resisting property excellence make it occupy very important one seat in the grinding medium field, are widely used in relevant retrofit field such as mineral products, chemical industry, paint of coating, mechano-electronic.
On the market present in China, these series product mainly comprise kinds such as aluminum oxide, plumbous oxide (corundum), zirconium white; Alumina-ceramic grinding medium fragility is big, lacks toughness, and wear resistance is also relatively poor, is not suitable for using in paddle-type mill, can only be applied to traditional grinding machine at a slow speed; The plumbous oxide ceramic media has starting material extensively and cheap, and technical equipment requires low, thereby is extensive use of, and plumbous oxide pottery firing temperature is higher, generally reaches more than 1600 ℃, and energy consumption is bigger; Simultaneously, because the fracture toughness property of plumbous oxide structural ceramics grinding medium is lower, so wear resisting property is relatively poor; And the physical strength of zirconia ceramics grinding medium and fracture toughness property are all higher, but cost is very high, and simultaneous oxidation zircon ceramic grinding medium is easy to generate low temperature aging, so be difficult to large-scale promotion.
Summary of the invention
The objective of the invention is to, a kind of production technique of zircon-alumina composite ceramic bead is provided.Not only production cost is lower in the present invention, toughness and wear resisting property are all higher, and energy consumption is lower in producing.
Technical scheme of the present invention: the production technique of zircon-alumina composite ceramic bead is characterized in that: with zirconium silicate, α-Al
2O
3, feldspar and calcined kaolin be raw material, as crystal seed, adopts the method for rolling balling to prepare zircon-alumina composite ceramic bead with mullite powder.
In the production technique of aforesaid zircon-alumina composite ceramic bead, with 3～6 parts of zirconium silicates, α-Al
2O
33～10 parts, 1～3 part of feldspar and calcined kaolin are raw material for 1～3 part, as crystal seed, adopt the method for rolling balling to prepare zircon-alumina composite ceramic bead with 1～3 part of mullite powder; Described part is weight part.
In the production technique of aforesaid zircon-alumina composite ceramic bead, with 4 parts of zirconium silicates, α-Al
2O
36 parts, 1 part of feldspar and calcined kaolin are raw material for 2 parts, as crystal seed, adopt the method for rolling balling to prepare zircon-alumina composite ceramic bead with 1 part of mullite powder; Described part is weight part.
In the production technique of aforesaid zircon-alumina composite ceramic bead, press following step production:
1. raw material is mixed, gets the A material:
2. in the A material, add crystal seed again, get the B material;
3. the B material is adopted conventional wet method mix grinding technology extra-fine grinding, make superfine powder;
4. superfine powder is put into nodulizer through pugging, after old, adds water and mix, roll and make the ceramic bead base substrate, after the polishing the C material;
5. C is expected that the process of passing through tunnel kiln dries, the D material;
6. D is expected sintering in air, sintering temperature is controlled at 1400～1450 ℃, and a high fire section control temperature rise rate is 6～8 ℃/min, and soaking time is 2～3h, gets zircon-alumina composite ceramic bead.
In the production technique of aforesaid zircon-alumina composite ceramic bead, described superfine powder is 2500～4000 orders.
In the production technique of aforesaid zircon-alumina composite ceramic bead, 6. described step is that D is expected sintering in air, and sintering temperature is controlled at 1430 ℃, and a high fire section control temperature rise rate is 7 ℃/min, and soaking time is 2h, gets zircon-alumina composite ceramic bead.
In the production technique of aforesaid zircon-alumina composite ceramic bead, described α-Al
2O
3The meta particle diameter be 0.35 μ m.
In the production technique of aforesaid zircon-alumina composite ceramic bead, the meta particle diameter of described zirconium silicate is 0.48 μ m.
In the production technique of aforesaid zircon-alumina composite ceramic bead, the meta particle diameter of described mullite powder is 0.48 μ m.
Compared with the prior art, the present invention is with zirconium silicate, α-Al
2O
3, feldspar, calcined kaolin be that raw material is rationally prepared burden, and as crystal seed, adjusts sintering temperature with mullite powder, makes fully sintering zirconium silicate and α-Al
2O
3Deng mixing raw material, can strengthen toughness and wear resisting property; As crystal seed, reduced sintering temperature with mullite powder, capable of reducing energy consumption; In addition 320 original order material powders are increased to 2500～4000 orders, make the powder super-refinement of raw material, help the raising of wear resistance; Eliminated ball and powder, powder and the agglomerating phenomenon of powder adhesion by the method for wet method mix grinding, made and suitably improve powder fineness by the raw material energy uniform mixing that density is different with fineness, reduced the agglomerating temperature, cut down the consumption of energy; Adopt once-firing in the sintering process, temperature is even, and production cost is lower.Production technique of the present invention is simple, and the equipment that needs is few, and cost is low, easily large-scale production.
Mix by following materials based on weight: 4 parts of zirconium silicates, 6 parts of α-Al
2O
3, 1 part of feldspar and 2 parts of calcined kaolins, add 1 part of mullite powder as crystal; Then 1430 ℃ of insulation 2h (performance of alumina porcelain ball product contrasts as following table on the finished product that obtains after firing under about 7 ℃ of the high temperature heat-up rate/min) and the market:
Experimental data by table shows that the present invention makes hardness, whiteness and the true density of this product increase through the optimization of proportioning raw materials and firing process, and wear resistance strengthens.
Embodiment
The present invention is further illustrated below in conjunction with embodiment, but not as the foundation to the present invention's restriction.
Embodiment 1: the method for making of aluminum ceramic microspheres in the mullite toughening, characteristics are: with zirconium silicate, α-Al
2O
3, feldspar, calcined kaolin be raw material, as crystal seed, adopts the method for rolling balling to prepare zircon-alumina composite ceramic bead with mullite powder; Press following step production:
1. following materials based on weight is mixed, gets the A material:
3～4 parts of α-Al of zirconium silicate
2O
33～7 parts
1～2 part of 1～2 part of calcined kaolin of feldspar;
2. in A material, add 1 part of mullite powder again as crystal seed, the B material;
3. the B material is adopted conventional wet method mix grinding technology extra-fine grinding, make 2500～4000 purpose superfine powders;
4. superfine powder is put into nodulizer through pugging, after old, adds water and mix, roll and make the ceramic bead base substrate, after the polishing the C material;
5. C is expected that the process of passing through tunnel kiln dries, the D material
6. D is expected sintering in air, sintering temperature is controlled at 1400～1430 ℃, and a high fire section control temperature rise rate is 6～7 ℃/min, and soaking time is 2h, gets zircon-alumina composite ceramic bead;
Described α-Al
2O
3The meta particle diameter be 0.35 μ m; The meta particle diameter of described zirconium silicate is 0.48 μ m; The meta particle diameter of described mullite powder is 0.48 μ m.
Embodiment 2: the method for making of aluminum ceramic microspheres in the mullite toughening, characteristics are: the method for making of aluminum ceramic microspheres in the mullite toughening, characteristics are: with zirconium silicate, α-Al
2O
3, feldspar, calcined kaolin be raw material, as crystal seed, adopts the method for rolling balling to prepare zircon-alumina composite ceramic bead with mullite powder; Press following step production:
1. following materials based on weight is mixed, gets the A material:
5～6 parts of α-Al of zirconium silicate
2O
38～9 parts
3 parts of 3 parts of calcined kaolins of feldspar;
2. in A material, add 2～3 parts of mullite powders again as crystal seed, the B material;
3. the B material is adopted conventional wet method mix grinding technology extra-fine grinding, make 2500～4000 purpose superfine powders;
4. superfine powder is put into nodulizer through pugging, after old, adds water and mix, roll and make the ceramic bead base substrate, after the polishing the C material;
5. C is expected that the process of passing through tunnel kiln dries, the D material
6. D is expected sintering in air, sintering temperature is controlled at 1430～1450 ℃, and a high fire section control temperature rise rate is 8 ℃/min, and soaking time is 1h, gets zircon-alumina composite ceramic bead;
Described α-Al
2O
3The meta particle diameter be 0.35 μ m; The meta particle diameter of described zirconium silicate is 0.48 μ m; The meta particle diameter of described mullite powder is 0.48 μ m.
Claims (9)
1. the production technique of zircon-alumina composite ceramic bead is characterized in that: with zirconium silicate, α-Al
2O
3, feldspar and calcined kaolin be raw material, as crystal seed, adopts the method for rolling balling to prepare zircon-alumina composite ceramic bead with mullite powder.
2. the production technique of zircon-alumina composite ceramic bead according to claim 1 is characterized in that: with 3～6 parts of zirconium silicates, α-Al
2O
33～10 parts, 1～3 part of feldspar and calcined kaolin are raw material for 1～3 part, as crystal seed, adopt the method for rolling balling to prepare zircon-alumina composite ceramic bead with 1～3 part of mullite powder; Described part is weight part.
3. the production technique of zircon-alumina composite ceramic bead according to claim 2 is characterized in that: with 4 parts of zirconium silicates, α-Al
2O
36 parts, 1 part of feldspar and calcined kaolin are raw material for 2 parts, as crystal seed, adopt the method for rolling balling to prepare zircon-alumina composite ceramic bead with 1 part of mullite powder; Described part is weight part.
4. according to the production technique of claim 2 or 3 described zircon-alumina composite ceramic beads, it is characterized in that: press following step production:
1. raw material is mixed, gets the A material:
2. in the A material, add crystal seed again, get the B material;
3. the B material is adopted conventional wet method mix grinding technology extra-fine grinding, make superfine powder;
4. superfine powder is put into nodulizer through pugging, after old, adds water and mix, roll and make the ceramic bead base substrate, after the polishing the C material;
5. C is expected that the process of passing through tunnel kiln dries, the D material;
6. D is expected sintering in air, sintering temperature is controlled at 1400～1450 ℃, and a high fire section control temperature rise rate is 6～8 ℃/min, and soaking time is 2～3h, gets zircon-alumina composite ceramic bead.
5. the production technique of zircon-alumina composite ceramic bead according to claim 4, it is characterized in that: described superfine powder is 2500～4000 orders.
6. the production technique of zircon-alumina composite ceramic bead according to claim 4 is characterized in that: 6. described step is with D material sintering in air, sintering temperature is controlled at 1430 ℃, high fire section control temperature rise rate is 7 ℃/min, and soaking time is 2h, gets zircon-alumina composite ceramic bead.
7. according to the production technique of the described zircon-alumina composite ceramic bead of the arbitrary claim of claim 1-6, it is characterized in that: described α-Al
2O
3The meta particle diameter be 0.35 μ m.
8. the production technique of zircon-alumina composite ceramic bead according to claim 7, it is characterized in that: the meta particle diameter of described zirconium silicate is 0.48 μ m.
9. the production technique of zircon-alumina composite ceramic bead according to claim 8, it is characterized in that: the meta particle diameter of described mullite powder is 0.48 μ m.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102757254A (en) * | 2012-08-13 | 2012-10-31 | 扬州市飞鹰电子科技有限公司 | Method for toughening aluminum oxide ceramic material by using mullite seeds |
| CN103497734A (en) * | 2013-10-23 | 2014-01-08 | 浙江湖磨抛光磨具制造有限公司 | Polishing abrasive material and method for preparing same |
| CN103496958A (en) * | 2013-09-23 | 2014-01-08 | 浙江湖磨抛光磨具制造有限公司 | Low-temperature sintered zirconium silicate grinding medium and preparation method thereof |
| CN104310971A (en) * | 2014-09-29 | 2015-01-28 | 焦作市维纳精细陶瓷有限公司 | Aluminum oxide composite material and method for preparing large-diameter industrial ceramic valve core by use of aluminum oxide composite material |
| CN106167404A (en) * | 2016-07-05 | 2016-11-30 | 河源帝诺新材料有限公司 | A kind of brown cerium zirconium aluminum composite ceramic beads and preparation technology thereof |
| CN108821759A (en) * | 2018-07-10 | 2018-11-16 | 河源帝诺新材料有限公司 | A kind of kaolin ceramic bead formula |
| CN112430114A (en) * | 2020-11-04 | 2021-03-02 | 湖南精城特种陶瓷有限公司 | Zirconium-aluminum composite nano ceramic and preparation method thereof |
| CN112624742A (en) * | 2020-12-28 | 2021-04-09 | 嘉兴纳美新材料有限公司 | Formula and production process of zirconium toughened alumina composite ceramic ball |
| CN114349482A (en) * | 2021-12-14 | 2022-04-15 | 泉州市利芝新材料科技有限公司 | Method for preparing ceramic blank whitening composite zirconium by using zirconium-containing refractory brick leftover material and application thereof |
| CN116477961A (en) * | 2023-05-16 | 2023-07-25 | 揭阳恒成陶瓷科技有限公司 | Aluminum titanate-mullite high-thermal shock high-strength ceramic material and preparation method thereof |
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| CN101786858A (en) * | 2010-01-15 | 2010-07-28 | 浙江湖磨抛光磨具制造有限公司 | Method for manufacturing aluminum ceramic microspheres in mullite toughening |
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| CN1876597A (en) * | 2006-06-16 | 2006-12-13 | 翟延军 | Ceramic heat exchanger, composite ceramic material and production method thereof |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102757254A (en) * | 2012-08-13 | 2012-10-31 | 扬州市飞鹰电子科技有限公司 | Method for toughening aluminum oxide ceramic material by using mullite seeds |
| CN103496958B (en) * | 2013-09-23 | 2016-04-27 | 浙江湖磨抛光磨具制造有限公司 | Low-temperature sintering Zirconium silicate grinding medium and method of milling and preparation method thereof |
| CN103496958A (en) * | 2013-09-23 | 2014-01-08 | 浙江湖磨抛光磨具制造有限公司 | Low-temperature sintered zirconium silicate grinding medium and preparation method thereof |
| CN103497734A (en) * | 2013-10-23 | 2014-01-08 | 浙江湖磨抛光磨具制造有限公司 | Polishing abrasive material and method for preparing same |
| CN103497734B (en) * | 2013-10-23 | 2015-07-29 | 浙江湖磨抛光磨具制造有限公司 | A kind of polish abrasive and preparation method thereof |
| CN104310971B (en) * | 2014-09-29 | 2016-05-04 | 焦作市维纳科技有限公司 | Alumina composite material and prepare the method for heavy caliber industrial ceramics spool |
| CN104310971A (en) * | 2014-09-29 | 2015-01-28 | 焦作市维纳精细陶瓷有限公司 | Aluminum oxide composite material and method for preparing large-diameter industrial ceramic valve core by use of aluminum oxide composite material |
| CN106167404A (en) * | 2016-07-05 | 2016-11-30 | 河源帝诺新材料有限公司 | A kind of brown cerium zirconium aluminum composite ceramic beads and preparation technology thereof |
| CN106167404B (en) * | 2016-07-05 | 2018-10-30 | 河源帝诺新材料有限公司 | A kind of brown cerium zirconium aluminium composite ceramic beads and its preparation process |
| CN108821759A (en) * | 2018-07-10 | 2018-11-16 | 河源帝诺新材料有限公司 | A kind of kaolin ceramic bead formula |
| CN112430114A (en) * | 2020-11-04 | 2021-03-02 | 湖南精城特种陶瓷有限公司 | Zirconium-aluminum composite nano ceramic and preparation method thereof |
| CN112624742A (en) * | 2020-12-28 | 2021-04-09 | 嘉兴纳美新材料有限公司 | Formula and production process of zirconium toughened alumina composite ceramic ball |
| CN114349482A (en) * | 2021-12-14 | 2022-04-15 | 泉州市利芝新材料科技有限公司 | Method for preparing ceramic blank whitening composite zirconium by using zirconium-containing refractory brick leftover material and application thereof |
| CN116477961A (en) * | 2023-05-16 | 2023-07-25 | 揭阳恒成陶瓷科技有限公司 | Aluminum titanate-mullite high-thermal shock high-strength ceramic material and preparation method thereof |
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