CN101921101B - Production technology of zircon-alumina composite ceramic bead - Google Patents

Production technology of zircon-alumina composite ceramic bead Download PDF

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CN101921101B
CN101921101B CN2010102574854A CN201010257485A CN101921101B CN 101921101 B CN101921101 B CN 101921101B CN 2010102574854 A CN2010102574854 A CN 2010102574854A CN 201010257485 A CN201010257485 A CN 201010257485A CN 101921101 B CN101921101 B CN 101921101B
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zircon
composite ceramic
ceramic bead
alumina composite
powder
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CN101921101A (en
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嵇兴林
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HUMO POLISHING/GRINDING TOOL Manufacturing Co Ltd ZHEJIANG
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HUMO POLISHING/GRINDING TOOL Manufacturing Co Ltd ZHEJIANG
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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

The production technique of zircon-alumina composite ceramic bead
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 in the grinding medium field, occupy very important one seat, 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, does not suit in paddle-type mill, to use, and 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 widely used, 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; Said 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; Said part is weight part.
In the production technique of aforesaid zircon-alumina composite ceramic bead, press following step production:
1. raw materials mix is even, get 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, said superfine powder is 2500~4000 orders.
In the production technique of aforesaid zircon-alumina composite ceramic bead, 6. said 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, said 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 said zirconium silicate is 0.48 μ m.
In the production technique of aforesaid zircon-alumina composite ceramic bead, the meta particle diameter of said mullite powder is 0.48 μ m.
Compare with prior art, the present invention is with zirconium silicate, α-Al 2O 3, feldspar, calcined kaolin be that raw material is rationally prepared burden, as crystal seed, the adjustment sintering temperature makes fully sintering zirconium silicate and α-Al with mullite powder 2O 3Deng mixing raw material, but enhanced 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 through the method for wet method mix grinding, made and suitably improve powder fineness by density and fineness different raw materials ability uniform mixing, 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, is prone to 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 (alumina porcelain ball performance of products contrasts like following table on the finished product that obtains after firing under about 7 ℃ of the high temperature heat-up rate/min) and the market:
Figure GDA0000028047190000031
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
Below in conjunction with embodiment the present invention is further described, 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;
Said α-Al 2O 3The meta particle diameter be 0.35 μ m; The meta particle diameter of said zirconium silicate is 0.48 μ m; The meta particle diameter of said 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;
Said α-Al 2O 3The meta particle diameter be 0.35 μ m; The meta particle diameter of said zirconium silicate is 0.48 μ m; The meta particle diameter of said mullite powder is 0.48 μ m.

Claims (8)

1. the production technique of zircon-alumina composite ceramic bead 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; Said part is weight part.
2. the production technique of zircon-alumina composite ceramic bead according to claim 1 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; Said part is weight part.
3. the production technique of zircon-alumina composite ceramic bead according to claim 1 and 2 is characterized in that: by following step production:
1. raw materials mix is even, get 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.
4. the production technique of zircon-alumina composite ceramic bead according to claim 3, it is characterized in that: said superfine powder is 2500~4000 orders.
5. the production technique of zircon-alumina composite ceramic bead according to claim 3 is characterized in that: 6. said 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.
6. according to the production technique of the described zircon-alumina composite ceramic bead of the arbitrary claim of claim 1-5, it is characterized in that: said α-Al 2O 3The meta particle diameter be 0.35 μ m.
7. the production technique of zircon-alumina composite ceramic bead according to claim 6, it is characterized in that: the meta particle diameter of said zirconium silicate is 0.48 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 said mullite powder is 0.48 μ m.
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CN102757254B (en) * 2012-08-13 2014-04-09 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
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
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
CN114349482B (en) * 2021-12-14 2023-05-12 泉州市利芝新材料科技有限公司 Method for preparing ceramic blank whitening composite zirconium by using leftover materials of zirconium-containing refractory bricks and application of method
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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CN101723666A (en) * 2008-10-15 2010-06-09 许兴康 Zr-Al-Si composite ceramic beads with high wear resistance and high strength and processing technique thereof
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1844039A (en) * 2005-04-08 2006-10-11 中南大学 Micron crystal, nanometer crystal complex-phase ceramic of aluminium, silicon, zirconium, oxygen series and preparation method thereof
CN1876597A (en) * 2006-06-16 2006-12-13 翟延军 Ceramic heat exchanger, composite ceramic material and production method thereof
CN101723666A (en) * 2008-10-15 2010-06-09 许兴康 Zr-Al-Si composite ceramic beads with high wear resistance and high strength and processing technique thereof
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