CN101530913B - Stirred reacting and grinding processing method for production of high purity alpha-aluminum oxide, silicon carbide micron, nanometer grade powder material - Google Patents
Stirred reacting and grinding processing method for production of high purity alpha-aluminum oxide, silicon carbide micron, nanometer grade powder material Download PDFInfo
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- CN101530913B CN101530913B CN2009100646446A CN200910064644A CN101530913B CN 101530913 B CN101530913 B CN 101530913B CN 2009100646446 A CN2009100646446 A CN 2009100646446A CN 200910064644 A CN200910064644 A CN 200910064644A CN 101530913 B CN101530913 B CN 101530913B
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- Prior art keywords
- stirring reaction
- alundum
- water
- carborundum
- aluminum oxide
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- 229910010271 silicon carbide Inorganic materials 0.000 title claims abstract description 39
- 239000000843 powder Substances 0.000 title claims abstract description 24
- 238000000227 grinding Methods 0.000 title claims abstract description 23
- 239000000463 material Substances 0.000 title claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 238000003672 processing method Methods 0.000 title claims abstract description 10
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 title abstract 6
- 238000003756 stirring Methods 0.000 claims abstract description 53
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 229910001868 water Inorganic materials 0.000 claims abstract description 29
- 238000000926 separation method Methods 0.000 claims abstract description 7
- 238000006243 chemical reaction Methods 0.000 claims description 52
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 41
- 239000011734 sodium Substances 0.000 claims description 13
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical group [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 13
- 239000004094 surface-active agent Substances 0.000 claims description 13
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 12
- 239000004115 Sodium Silicate Substances 0.000 claims description 12
- 229910052708 sodium Inorganic materials 0.000 claims description 12
- 235000019795 sodium metasilicate Nutrition 0.000 claims description 12
- 229910052911 sodium silicate Inorganic materials 0.000 claims description 12
- 238000013019 agitation Methods 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 3
- 239000000376 reactant Substances 0.000 claims description 2
- 230000036632 reaction speed Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 8
- 230000003213 activating effect Effects 0.000 abstract description 7
- 239000003795 chemical substances by application Substances 0.000 abstract description 7
- 238000012545 processing Methods 0.000 abstract description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 229910052710 silicon Inorganic materials 0.000 abstract 1
- 239000010703 silicon Substances 0.000 abstract 1
- XJKVPKYVPCWHFO-UHFFFAOYSA-N silicon;hydrate Chemical compound O.[Si] XJKVPKYVPCWHFO-UHFFFAOYSA-N 0.000 abstract 1
- 230000003139 buffering effect Effects 0.000 description 4
- 239000013078 crystal Substances 0.000 description 4
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003513 alkali Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention relates to a stirred reacting and grinding processing method for production of high purity alpha-aluminum oxide, silicon carbide micron, nanometer grade powder material, which can effectively solve the market requirement problem for the production of the high purity alpha-aluminum oxide, silicon carbide micron, nanometer grade powder material for piezocrystal precision and minuteness processing. The technical proposal of the method is that: alpha-aluminum oxide or silicon carbide powder, water and an activating agent are added into a mixer respectively to react by stirring and be ground, wherein the ratio of the alpha-aluminum oxide or silicon cabide powder and water by weight is 1:5, dosage of the activating agent is 0.03 percent of the sum of the alpha-aluminum oxide or silicon carbide and the water by weight; while mixing, stirred reacting and grinding, the activating agent which is 0.03 percent of the sum of the alpha-aluminum oxide or silicon carbide and the water by weight is added into the mixture, so that after the materials react by sufficiently stirring and are ground, the materials are subjected to overflow separation, and are collected. The method is simple and unique, has low production cost and easy operation, the processed product has high purity and good quality, and has enormous economic and social benefits.
Description
One, technical field
The present invention relates to material processing method, particularly a kind of stirring reaction grinding processing method of producing high-purity alpha-alundum (Al, carborundum micron, nanometer grade powder material.
Two, background technology
α-alundum (Al (α-Al
2O
3), carborundum (SiC) micron order, nanometer materials are that piezo-electric crystal produces the critical material that carries out trickle processing usefulness, be widely used in information industry, field such as national defence and aviation, comprise military, civilian, medical and commercial everyway has purposes extremely widely, but because highly purified α-alundum (Al, carborundum production difficulty is big, the cost height, mostly China is to use imported product at present, also there is not ripe production method, especially for the purpose of commerce, technical know-how and blockade are very tight, external what method that adopts is difficult to learn, particularly along with the quickening of modernized paces, China's military project, aviation, space flight, electronic information, intelligence communication development is very rapid, market is to high-purity alpha-alundum (Al, the carborundum micron, the nanometer grade powder material requirement is just with annual 15% speed increase, according to statistics, annual China related industries field is for the high-purity micron order, nanometer alpha-alundum (Al (α-Al
2O
3Claim white fused alumina again), carborundum (SiC, claiming diamond dust again) demand is about 200,000 tons, only the precise and tiny middle needed material of worker of high accuracy piezo-electric crystal is more than 30,000 tons, and the main at present imported material that relies on of China, cost is very high, limited the development of the relevant industry of China greatly, though there is research in this respect in existing China, but be mostly to adopt artificial stirring reaction to grind, cycle is long, efficient is low, poor product quality, and grading effect is bad, product is difficult to satisfy the needs in market, and at high-purity alpha-alundum (Al, the carborundum micron order, nanoscale production difficulty is big, various reasons such as specification requirement height, wherein, topmost technical difficulty is how to α-alundum (Al, sic powder carries out stirring reaction and grinds, how to α-alundum (Al, carborundum carries out the stirring reaction grinding and does not see the open report that industrial treatment is arranged so far.
Three, summary of the invention
At above-mentioned situation, for overcoming a prior art difficult problem, the present invention's purpose just provides a kind of production high-purity alpha-alundum (Al, the carborundum micron, the stirring reaction grinding processing method of nanometer grade powder material, can effectively solve the precise and tiny processing of piezo-electric crystal high-purity alpha-alundum (Al, the carborundum micron, the production of nanometer grade powder material, solve the market demand problem, the technical scheme of its solution is, (powder is pulverized through pulverizer by α-alundum (Al or carborundum and is formed with α-alundum (Al or sic powder, routine techniques) add in the blender respectively with water and activating agent, mixing stirring reaction grinds, the weight ratio of α-alundum (Al or sic powder and water is 1: 5, the activating agent addition be α-alundum (Al or carborundum and water weight and 0.03%, when mixing the stirring reaction grinding, add α-alundum (Al or carborundum again, the activating agent of water and activating agent weight and 0.03%, after the abundant stirring reaction of material is ground, again through overflow size separation, collect, processing method of the present invention is simple, unique, production cost is low, easy to operate, the product purity height of processing, quality is good, satisfy the precise and tiny processing of piezo-electric crystal high-purity alpha-alundum (Al fully, the carborundum micron, the requirement of nanometer grade powder material, economic and social benefit is huge.
Four, description of drawings
Fig. 1 is processing technological flow figure of the present invention.
Fig. 2 is the device connection diagram of treatment process of the present invention.
Five, the specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is elaborated.
By shown in Figure 1, the present invention adds α-alundum (Al or sic powder and water and surfactant in the stirring reaction container respectively simultaneously, stirring reaction grinds, its addition is counted with weight ratio: α-alundum (Al or carborundum: water=1: 5, the surfactant addition be α-alundum (Al or carborundum and water weight and 0.03%, the speed that water adds in the stirring reaction container is 10L-1200L/h, the agitation grinding reaction speed is 25-100 commentaries on classics/min, in above-mentioned stirring reaction process of lapping, add α-alundum (Al or carborundum more simultaneously, the surfactant of water and surfactant weight and 0.03%, the stirring reaction grinding temperature is 18-30 ℃, time is 3-4 hour, the stirring reaction lapping liquid is collected through overflow size separation then.
Said surfactant is sodium metasilicate (Na
2SiO
3, claim waterglass, bubble flower alkali again) or sodium n-alkylbenzenesulfonate.
The present invention in force, can adopt by α-alundum (Al or sic powder 1000kg, water 5000kg, sodium metasilicate or sodium n-alkylbenzenesulfonate 1.8kg, add in the stirring reaction container simultaneously respectively, stirring reaction grinds, the speed that water adds the stirring reaction container is 600L/h, the stirring reaction grinding rate is 60-80 commentaries on classics/min, in above-mentioned stirring reaction process of lapping, add α-alundum (Al or carborundum more simultaneously, the sodium metasilicate of water and sodium metasilicate or sodium n-alkylbenzenesulfonate weight and 0.03% or sodium n-alkylbenzenesulfonate 1.80054kg, the stirring reaction grinding temperature is 25 ℃, time is 3.5 hours, and the agitation grinding reactant liquor is collected through overflow size separation then.
The present invention is in concrete enforcement, also can realize: can adopt by α-alundum (Al or sic powder 10000kg by following method, water 50000kg, sodium metasilicate or sodium n-alkylbenzenesulfonate 18kg, add respectively simultaneously in the stirring reaction tower jar 8, stirring reaction grinds, wherein, water enters in the buffering vacuum tank 4 that is higher than stirring reaction tower jar 8 tops by feed pipe 10 through upper hose 5 by flowmeter 3, after buffering vacuum tank 4 bufferings, by the outlet pipe 1 of buffering vacuum tank 4 bottoms through water flow meter 13, enter in the stirring reaction tower jar 8 through the flow of stirring reaction tower jar bottom valve 6 by threeway 14 with 800L/h, α-alundum (Al or carborundum enter in the stirring reaction tower jar 8 through feed pipe 12 and threeway 14 and valve 6, surfactant is entered in the stirring reaction tower jar 8 by the surfactant feed pipe 7 of stirring reaction tower jar 8 bottoms, the stirred reactor 2 that motor 9 drives that are contained in stirring reaction tower jar top are arranged in the stirring reaction tower jar, α-alundum (Al or carborundum, water, sodium metasilicate or sodium n-alkylbenzenesulfonate are by stirred reactor 2 agitation grindings, hybrid reaction, when mixing reacting and grinding, add α-alundum (Al or carborundum again, water, the 18.0054kg sodium metasilicate of sodium metasilicate or sodium n-alkylbenzenesulfonate total amount and 0.03% or sodium n-alkylbenzenesulfonate surfactant, mixing speed is 50-70 commentaries on classics/min, the stirring reaction temperature is 25 ℃, time is 3.5 hours, mixed liquor behind the stirring reaction enters classification tower 11 through the discharging opening on stirring reaction tower jar 8 tops, behind the classified tower 11 upper oral part overflow size separations, collect, basic grain D50 〉=70%, granularity is 0.2-7 μ m.
Technology of the present invention is simple, advanced, easy to operate, good product quality, cost is low, product at the same level reduces expense more than 50% than imported product, the product that the α-alundum (Al after its stirring reaction milled processed or the stirring reaction lapping liquid of carborundum make contrasts after tested and all meets or exceeds domestic and international product level, and its product is compared as follows table:
As can be seen from the above table, the micron order of production of the present invention, the nanoscale product, reach fully and surpassed international advanced product, it is α-alundum (Al, the carborundum micron order, on the nanoscale product one created greatly, this method technical maturity, α-alundum (Al or carborundum can be worked into optional trickle degree between the 0.2-7 micron, solved this guardian technique difficult problem of superfine powder, can effectively satisfy each industry of market to high-purity alpha-alundum (Al, the carborundum micron order, the needs of nanoscale powder material, saved production cost greatly, and sanitation and hygiene aborning, non-environmental-pollution has huge economic and social benefit.
Claims (3)
1. produce high-purity alpha-alundum (Al for one kind, the carborundum micron, the stirring reaction grinding processing method of nanometer grade powder material, it is characterized in that, add α-alundum (Al or sic powder and water and surfactant in the stirring reaction container respectively simultaneously, stirring reaction grinds, its addition is counted with weight ratio: α-alundum (Al or carborundum: water=1: 5, the surfactant addition be α-alundum (Al or carborundum and water weight and 0.03%, the speed that water adds in the stirring reaction container is 10L-1200L/h, the agitation grinding reaction speed is 25-100 commentaries on classics/min, in above-mentioned stirring reaction process of lapping, add α-alundum (Al or carborundum more simultaneously, the surfactant of water and surfactant weight and 0.03%, the stirring reaction grinding temperature is 18-30 ℃, time is 3-4 hour, the stirring reaction lapping liquid is collected through overflow size separation then.
2. the stirring reaction grinding processing method of production high-purity alpha-alundum (Al according to claim 1, carborundum micron, nanometer grade powder material is characterized in that, said surfactant is sodium metasilicate or sodium n-alkylbenzenesulfonate.
3. production high-purity alpha-alundum (Al according to claim 1, the carborundum micron, the stirring reaction grinding processing method of nanometer grade powder material, it is characterized in that, by α-alundum (Al or sic powder 1000kg, water 5000kg, sodium metasilicate or sodium n-alkylbenzenesulfonate 1.8kg, add in the stirring reaction container simultaneously respectively, stirring reaction grinds, the speed that water adds the stirring reaction container is 600L/h, the stirring reaction grinding rate is 60-80 commentaries on classics/min, in above-mentioned stirring reaction process of lapping, add α-alundum (Al or carborundum more simultaneously, the sodium metasilicate of water and sodium metasilicate or sodium n-alkylbenzenesulfonate weight and 0.03% or sodium n-alkylbenzenesulfonate 1.80054kg, stirring reaction grinding temperature are 25 ℃, and the time is 3.5 hours, the agitation grinding reactant liquor is collected through overflow size separation then.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100646446A CN101530913B (en) | 2009-04-14 | 2009-04-14 | Stirred reacting and grinding processing method for production of high purity alpha-aluminum oxide, silicon carbide micron, nanometer grade powder material |
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|---|---|---|---|
| CN2009100646446A CN101530913B (en) | 2009-04-14 | 2009-04-14 | Stirred reacting and grinding processing method for production of high purity alpha-aluminum oxide, silicon carbide micron, nanometer grade powder material |
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| Publication Number | Publication Date |
|---|---|
| CN101530913A CN101530913A (en) | 2009-09-16 |
| CN101530913B true CN101530913B (en) | 2010-07-21 |
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| CN101734695B (en) * | 2009-12-02 | 2012-08-08 | 蔡育成 | Production method of micron-level and nanometer-level serial products of alpha-aluminum oxide and alpha-silicon carbide |
| CN106118138B (en) * | 2016-06-27 | 2017-12-29 | 大连海事大学 | A kind of composite and preparation method of polarity macromolecular coating nano carbon SiClx |
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Effective date of registration: 20091113 Address after: Pharmaceutical street, hi tech Development Zone, Henan, Zhengzhou Province, China: 450065 Applicant after: Cai Yucheng Address before: Pharmaceutical street, hi tech Development Zone, Henan, Zhengzhou Province, China: 450065 Applicant before: Cai Yu Cheng Co-applicant before: Zhengzhou Shuguang piezoelectric Technology Co., Ltd. |
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Assignee: Zhengzhou Shuguang piezoelectric Technology Co., Ltd. Assignor: Cai Yucheng Contract record no.: 2011410000025 Denomination of invention: Stirred reacting and grinding processing method for production of high purity alpha-aluminum oxide, silicon carbide micron, nanometer grade powder material Granted publication date: 20100721 License type: Exclusive License Open date: 20090916 Record date: 20110401 |
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Effective date of registration: 20220125 Address after: 450001 300m west of the intersection of Kaixuan Road, Pharmaceutical Factory Street, high tech Industrial Development Zone, Zhengzhou, Henan Province Patentee after: Zhengzhou Shuguang Precision Material Co.,Ltd. Address before: 450065 pharmaceutical street, hi tech Development Zone, Zhengzhou, Henan Patentee before: Zhengzhou Shuguang Piezoelectric Technology Co.,Ltd. |
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