CN104496482A - Aluminum nitride-based ceramic nozzle and manufacturing method thereof - Google Patents
Aluminum nitride-based ceramic nozzle and manufacturing method thereof Download PDFInfo
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- CN104496482A CN104496482A CN201410580624.5A CN201410580624A CN104496482A CN 104496482 A CN104496482 A CN 104496482A CN 201410580624 A CN201410580624 A CN 201410580624A CN 104496482 A CN104496482 A CN 104496482A
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Abstract
The invention discloses an aluminum nitride-based ceramic nozzle. The aluminum nitride-based ceramic nozzle is prepared from 75-80 parts by weight of aluminum nitride, 2.6-3.8 parts by weight of sapphire, 1-3 parts by weight of alumina-magnesia spinel, 3.3-4.5 parts by weight of flint, 4-6 parts by weight of fluorite tailings, 3-5 parts by weight of kaolin, 4.1-5.6 parts by weight of bentonite, 20-30 parts by weight of cobalt oxide, 5-7 parts by weight of straw ash, 1.5-2.8 parts by weight of polypropylene fibers, 4-7 parts by weight of hydroxypropyl methyl cellulose, 3-6 parts by weight of turpentine, 7-13 parts by weight of methyl methacrylate, 6-11 parts by weight of acrylic acid, 2-4 parts by weight of an auxiliary agent and a proper amount of water. The preparation method of the aluminum nitride-based ceramic nozzle improves the prior art and the formula, improves thermal shock resistance, washing resistance and toughness of the nozzle, reduces nozzle deformation and improves a material anti-deformation capability. The aluminum nitride-based ceramic nozzle has high density, excellent wear resistance, low plugging possibility and a long service life.
Description
Technical field
The present invention relates to a kind of ceramic nozzle preparation technology being applicable to color selector, belong to nozzle field shaping technique, be specifically related to a kind of aluminum-nitride-based ceramic nozzle and preparation method thereof.
Background technology
Color selector can't harm size separation equipment for the one of bulk material Quality Detection and classification, has a wide range of applications in industries such as grain, food, pigment chemical industry.Color selector is the difference according to material optical characteristics, utilizes detecting technique to be differentiated fast and effectively by the heterochromatic particle in granule materials and rejects thus the material of the different quality grade of sorting.And the action of rejecting is completed by ceramic nozzle, ceramic nozzle is key part indispensable in color selector system, and the quality of its performance directly has influence on the effect of look choosing.
Ceramic nozzle age when eighties of last century nine has introduced since China, material constantly improves renewal, nitride ceramics and carbide ceramics is developed into gradually from oxide ceramics, and production technique and preparation method fall behind, cause ceramic nozzle in prior art to there is many defects, such as hardness is not high, wear no resistance, protection against corrosion fluid erosion prevention ability is weak, ductility is little.For overcoming the deficiencies in the prior art, be necessary to be improved existing ceramic nozzle production technology, thus obtained be applicable to the different demands of color selector have that cost is low, the ceramic nozzle of function diversification, the function such as fire-retardant, hardness is high, wear-resisting, radioprotective.
Summary of the invention
Object of the present invention is just to provide a kind of aluminum-nitride-based ceramic nozzle and preparation method thereof, to overcome the deficiencies in the prior art.
The object of the present invention is achieved like this:
A kind of aluminum-nitride-based ceramic nozzle, it is characterized in that, be made up of the raw material of following weight part: aluminium nitride 75-80, sapphire 2.6-3.8, aluminum-spinel 1-3, flint 3.3-4.5, fluorite mine tailing 4-6, kaolin 3-5, wilkinite 4.1-5.6, cobalt oxide 20-30, stalk ashes 5-7, polypropylene fiber 1.5-2.8, hydroxypropyl methyl cellulose ether 4-7, turps 3-6, methyl methacrylate 7-13, vinylformic acid 6-11, auxiliary agent 2-4, suitable quantity of water.
Described auxiliary agent is made up of following raw materials in part by weight: water glass 18-23, maleic anhydride 2.3-5.4, ethylene glycol 3.2-4.7, polyethylene fibre 4-6, vein quartz 3-5, polygorskite 2-4, Concha rapanae thomasianae powder 5-7, paper pulp 6-8, holder agate quinoline 0.3-0.6, molybdenumdisulphide 1.2-2.4, ammonium sulfate 2.1-3.2, primary zinc phosphate 1.3-2.5, sodium oxalate 1-2, its preparation method is by vein quartz, polygorskite is crushed to 120-150 order, add Concha rapanae thomasianae powder, ammonium sulfate, sodium oxalate stirring and evenly mixing calcines 2-3 hour at 710-820 DEG C, shrend, and then add paper pulp, maleic anhydride, ethylene glycol stirring and evenly mixing, under 70-90 DEG C of bath temperature below speed lapping slurry particle diameter to 15 μm, be spray dried to powder, by obtained powder and water glass, molybdenumdisulphide, polyethylene fibre and the mixing of other remaining components, grind 1-2 hour and get final product.
The preparation method of described a kind of aluminum-nitride-based ceramic nozzle, is characterized in that comprising the following steps:
(1) aluminum-spinel, flint, the mixing of fluorite mine tailing are put into calcining furnace and calcine 2-3 hour at 750-880 DEG C, quench with the calcium chloride solution of 1-3 ‰, when temperature is down to 40-60 DEG C, be crushed to 120-180 order;
(2) get kaolin, wilkinite, aluminium nitride stirring and evenly mixing be crushed to 150-200 order, add polypropylene fiber, cobalt oxide calcines 1-2 hour at 470-550 DEG C, be cooled to grinding at room temperature 30-40 minute, add methyl methacrylate, vinylformic acid speed lapping to slurry particle diameter to 20-30 μm;
(3) by step (1), the mixing of (2) reaction mass, the slurry that solid content is 50-60% is made in adding water making beating, then adds circulation stirring grinding 8-10 time according to this of stalk ashes and other remaining components, grinds more than 2 hours at every turn;
(4) above-mentioned slurry is injected die for molding, through repaired biscuit, drying, shove charge in 1750 DEG C ~ 1850 DEG C sintering 5-10 hour, cooling discharging.
The present invention has following beneficial effect: the preparation technology and the formula composition that present invention improves over prior art, improve heat shock resistance resistance to erosion ability and the toughness of nozzle, reduce spout distortion, improve the non-deformability of material, obtained nozzle density is high, wear resistance is good, blocking package phenomenon reduces, long service life.
Embodiment
The aluminum-nitride-based ceramic nozzle of described one, it is characterized in that, be made up of the raw material of following weight part: aluminium nitride 78, sapphire 2.8, aluminum-spinel 1, flint 3.9, fluorite mine tailing 6, kaolin 5, wilkinite 4.7, cobalt oxide 24, stalk ashes 7, polypropylene fiber 1.7, hydroxypropyl methyl cellulose ether 4, turps 6, methyl methacrylate 12, vinylformic acid 6, auxiliary agent 2, suitable quantity of water.
Described auxiliary agent is made up of following raw materials in part by weight: water glass 19, maleic anhydride 4.4, ethylene glycol 3.8, polyethylene fibre 4, vein quartz 3, polygorskite 2, Concha rapanae thomasianae powder 6, paper pulp 8, holder agate quinoline 0.3, molybdenumdisulphide 2.4, ammonium sulfate 2.1, primary zinc phosphate 2.3, sodium oxalate 1, its preparation method is by vein quartz, polygorskite is crushed to 120-150 order, add Concha rapanae thomasianae powder, ammonium sulfate, sodium oxalate stirring and evenly mixing calcines 2-3 hour at 710-820 DEG C, shrend, and then add paper pulp, maleic anhydride, ethylene glycol stirring and evenly mixing, under 70-90 DEG C of bath temperature below speed lapping slurry particle diameter to 15 μm, be spray dried to powder, by obtained powder and water glass, molybdenumdisulphide, polyethylene fibre and the mixing of other remaining components, grind 1-2 hour and get final product.
Making method comprises the following steps:
(1) aluminum-spinel, flint, the mixing of fluorite mine tailing are put into calcining furnace and calcine 2-3 hour at 750-880 DEG C, quench with the calcium chloride solution of 1-3 ‰, when temperature is down to 40-60 DEG C, be crushed to 120-180 order;
(2) get kaolin, wilkinite, aluminium nitride stirring and evenly mixing be crushed to 150-200 order, add polypropylene fiber, cobalt oxide calcines 1-2 hour at 470-550 DEG C, be cooled to grinding at room temperature 30-40 minute, add methyl methacrylate, vinylformic acid speed lapping to slurry particle diameter to 20-30 μm;
(3) by step (1), the mixing of (2) reaction mass, the slurry that solid content is 50-60% is made in adding water making beating, then adds circulation stirring grinding 8-10 time according to this of stalk ashes and other remaining components, grinds more than 2 hours at every turn;
(4) above-mentioned slurry is injected die for molding, through repaired biscuit, drying, shove charge in 1750 DEG C ~ 1850 DEG C sintering 5-10 hour, cooling discharging.
The ceramic nozzle using the present embodiment to produce has good erosion resistance and wear resistance, can under the hydrofluoric acid mixing solutions media environment of the nitric acid of 1600 DEG C of high temperature, 150g/L and 60g/L, and working life reaches more than 60 days; Its density reaches more than 97.8% after tested, and volume density is 3.25g/cm
3, folding strength is 665Mpa; The duct interior finish of nozzle is good, and jeting effect is desirable.
Claims (2)
1. an aluminum-nitride-based ceramic nozzle, it is characterized in that, be made up of the raw material of following weight part: aluminium nitride 75-80, sapphire 2.6-3.8, aluminum-spinel 1-3, flint 3.3-4.5, fluorite mine tailing 4-6, kaolin 3-5, wilkinite 4.1-5.6, cobalt oxide 20-30, stalk ashes 5-7, polypropylene fiber 1.5-2.8, hydroxypropyl methyl cellulose ether 4-7, turps 3-6, methyl methacrylate 7-13, vinylformic acid 6-11, auxiliary agent 2-4, suitable quantity of water, described auxiliary agent is made up of following raw materials in part by weight: water glass 18-23, maleic anhydride 2.3-5.4, ethylene glycol 3.2-4.7, polyethylene fibre 4-6, vein quartz 3-5, polygorskite 2-4, Concha rapanae thomasianae powder 5-7, paper pulp 6-8, holder agate quinoline 0.3-0.6, molybdenumdisulphide 1.2-2.4, ammonium sulfate 2.1-3.2, primary zinc phosphate 1.3-2.5, sodium oxalate 1-2, its preparation method is by vein quartz, polygorskite is crushed to 120-150 order, add Concha rapanae thomasianae powder, ammonium sulfate, sodium oxalate stirring and evenly mixing calcines 2-3 hour at 710-820 DEG C, shrend, and then add paper pulp, maleic anhydride, ethylene glycol stirring and evenly mixing, under 70-90 DEG C of bath temperature below speed lapping slurry particle diameter to 15 μm, be spray dried to powder, by obtained powder and water glass, molybdenumdisulphide, polyethylene fibre and the mixing of other remaining components, grind 1-2 hour and get final product.
2. the making method of a kind of aluminum-nitride-based ceramic nozzle according to claim 1, is characterized in that comprising the following steps:
(1) aluminum-spinel, flint, the mixing of fluorite mine tailing are put into calcining furnace and calcine 2-3 hour at 750-880 DEG C, quench with the calcium chloride solution of 1-3 ‰, when temperature is down to 40-60 DEG C, be crushed to 120-180 order;
(2) get kaolin, wilkinite, aluminium nitride stirring and evenly mixing be crushed to 150-200 order, add polypropylene fiber, cobalt oxide calcines 1-2 hour at 470-550 DEG C, be cooled to grinding at room temperature 30-40 minute, add methyl methacrylate, vinylformic acid speed lapping to slurry particle diameter to 20-30 μm;
(3) by step (1), the mixing of (2) reaction mass, the slurry that solid content is 50-60% is made in adding water making beating, then adds circulation stirring grinding 8-10 time according to this of stalk ashes and other remaining components, grinds more than 2 hours at every turn;
(4) above-mentioned slurry is injected die for molding, through repaired biscuit, drying, shove charge in 1750 DEG C ~ 1850 DEG C sintering 5-10 hour, cooling discharging.
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| CN201410580624.5A CN104496482A (en) | 2014-10-27 | 2014-10-27 | Aluminum nitride-based ceramic nozzle and manufacturing method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105367103A (en) * | 2015-10-27 | 2016-03-02 | 合肥龙多电子科技有限公司 | Nano boron fiber-enhanced high-elasticity aluminum nitride-silicon carbide composite circuit board substrate material and preparation method thereof |
| CN109928764A (en) * | 2019-02-27 | 2019-06-25 | 郑海东 | A kind of LED light ceramic material and preparation method thereof |
| CN112939607A (en) * | 2021-02-05 | 2021-06-11 | 福建华清电子材料科技有限公司 | High-thermal-conductivity aluminum nitride ceramic and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5500394A (en) * | 1994-12-22 | 1996-03-19 | Composite Materials, Inc. | Fire-resistant and thermal shock-resistant composite ceramic material and method of making same |
| CN1552665A (en) * | 2003-12-19 | 2004-12-08 | 李文新 | High-performance abrasive ceramic nozzle and producing method thereof |
| JP2011063453A (en) * | 2009-09-15 | 2011-03-31 | Mino Ceramic Co Ltd | Boron carbide-silicon carbide composite ceramic and method for producing the same |
| CN103387392A (en) * | 2013-07-25 | 2013-11-13 | 洛阳理工学院 | Titanium boride-zirconium boride-silicon carbide self-lubricating composite ceramic material and preparation method thereof |
-
2014
- 2014-10-27 CN CN201410580624.5A patent/CN104496482A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5500394A (en) * | 1994-12-22 | 1996-03-19 | Composite Materials, Inc. | Fire-resistant and thermal shock-resistant composite ceramic material and method of making same |
| CN1552665A (en) * | 2003-12-19 | 2004-12-08 | 李文新 | High-performance abrasive ceramic nozzle and producing method thereof |
| JP2011063453A (en) * | 2009-09-15 | 2011-03-31 | Mino Ceramic Co Ltd | Boron carbide-silicon carbide composite ceramic and method for producing the same |
| CN103387392A (en) * | 2013-07-25 | 2013-11-13 | 洛阳理工学院 | Titanium boride-zirconium boride-silicon carbide self-lubricating composite ceramic material and preparation method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105367103A (en) * | 2015-10-27 | 2016-03-02 | 合肥龙多电子科技有限公司 | Nano boron fiber-enhanced high-elasticity aluminum nitride-silicon carbide composite circuit board substrate material and preparation method thereof |
| CN109928764A (en) * | 2019-02-27 | 2019-06-25 | 郑海东 | A kind of LED light ceramic material and preparation method thereof |
| CN112939607A (en) * | 2021-02-05 | 2021-06-11 | 福建华清电子材料科技有限公司 | High-thermal-conductivity aluminum nitride ceramic and preparation method thereof |
| CN112939607B (en) * | 2021-02-05 | 2022-07-05 | 福建华清电子材料科技有限公司 | High-thermal-conductivity aluminum nitride ceramic and preparation method thereof |
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