CN103664152B - Wear-resistant zirconium silicate medium ball and preparation method thereof - Google Patents
Wear-resistant zirconium silicate medium ball and preparation method thereof Download PDFInfo
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- CN103664152B CN103664152B CN201310706742.1A CN201310706742A CN103664152B CN 103664152 B CN103664152 B CN 103664152B CN 201310706742 A CN201310706742 A CN 201310706742A CN 103664152 B CN103664152 B CN 103664152B
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- zirconium silicate
- medium ball
- powder
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- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 238000002360 preparation method Methods 0.000 title abstract description 8
- 239000000843 powder Substances 0.000 claims abstract description 23
- 238000000034 method Methods 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000002245 particle Substances 0.000 claims abstract description 21
- 238000005498 polishing Methods 0.000 claims abstract description 19
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000002994 raw material Substances 0.000 claims abstract description 14
- 238000000227 grinding Methods 0.000 claims abstract description 13
- 239000003595 mist Substances 0.000 claims abstract description 8
- 238000007493 shaping process Methods 0.000 claims abstract description 8
- 239000005995 Aluminium silicate Substances 0.000 claims abstract description 7
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 7
- 235000012211 aluminium silicate Nutrition 0.000 claims abstract description 7
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims abstract description 7
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims abstract description 7
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000011863 silicon-based powder Substances 0.000 claims abstract description 7
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 7
- 239000010456 wollastonite Substances 0.000 claims abstract description 7
- 229910052882 wollastonite Inorganic materials 0.000 claims abstract description 7
- 238000005096 rolling process Methods 0.000 claims description 13
- 238000010792 warming Methods 0.000 claims description 12
- 238000005245 sintering Methods 0.000 claims description 7
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 2
- 229910010413 TiO 2 Inorganic materials 0.000 claims 1
- 239000011230 binding agent Substances 0.000 claims 1
- 239000000126 substance Substances 0.000 abstract description 10
- 239000003795 chemical substances by application Substances 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000001816 cooling Methods 0.000 abstract description 3
- 239000013078 crystal Substances 0.000 abstract description 3
- 238000000498 ball milling Methods 0.000 abstract 1
- -1 goes out mill Substances 0.000 abstract 1
- 239000000919 ceramic Substances 0.000 description 7
- 238000005299 abrasion Methods 0.000 description 5
- 239000013081 microcrystal Substances 0.000 description 4
- 238000009413 insulation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 2
- 229910001928 zirconium oxide Inorganic materials 0.000 description 2
- 239000004566 building material Substances 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000021050 feed intake Nutrition 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 239000003317 industrial substance Substances 0.000 description 1
- 238000000462 isostatic pressing Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
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- Crushing And Grinding (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
The invention belongs to grinding medium technical field, be specifically related to a kind of Wear-resistant zirconium silicate medium ball, the particle diameter of Wear-resistant zirconium silicate medium ball is 0.5-10mm, batching is: zirconium silicate powder, kaolin, talcum powder, wollastonite, silicon powder, titanium dioxide, yttrium oxide and tackiness agent, obtained medium ball density is large, wear-resisting, and stable chemical nature.The present invention also provides its preparation method, is mixed by all raw materials, goes out mill, mist projection granulating after ball milling, obtained superfine powder; Superfine powder is put into nodulizer, adds water, be uniformly mixed, sieve, obtained particle diameter is the kind ball of 0.1 ~ 0.5mm; In Rollig nodulizer, add kind of a ball, roll shaping; Dry; Burn till; Polishing: the nature that adds water polishes, obtained Wear-resistant zirconium silicate medium ball.Adopt fast cooling, make crystal grain remain on microcrystalline state, obtained medium ball density is large, wear-resisting, and stable chemical nature; Present invention process is simple, and one-time investment is few, and output greatly and easily expand production.
Description
Technical field
The invention belongs to grinding medium technical field, be specifically related to a kind of Wear-resistant zirconium silicate medium ball and preparation method thereof.
Background technology
Grinding medium ball has high strength, high rigidity, wear-resisting, corrosion resistant characteristic because of it, is now widely used in the fields such as pottery, electronics, building materials, novel material as grinding medium.The Ceramic Balls of prior art adopts the mode of isostatic pressing to make usually, such as: " material Leader " October the 14th in 2000 volume special edition, Jia Guangyao, Zhang Weiru etc. " development of low cost zirconium oxide mill ball " disclose a kind of method for making of grinding medium, wet ball grinding and mist projection granulating is adopted to prepare superfine powder, then under 0.1 ~ 0.16GPa pressure, cold isostatic compaction is adopted, eventually pass high temperature to burn till and prepare zirconium oxide abrasive ball, disclosed in it, content quotation is in this.
Roller forming method of the prior art, is generally that superfine powder raw slurry is extruded cut-out granulation, then rolls shaping, and its shortcoming existed is: 1) equipment that needs of the method is many, disposablely has high input; 2) the method complicated operation, and due to obtained kind spherolite footpath homogeneity not good, cause rolling time longer, the particle diameter difference of Ceramic Balls is larger, thus makes the method be only applicable to the preparation of small particle size Ceramic Balls, is specially adapted to be less than 8mm Ceramic Balls.
Summary of the invention
The present invention is directed to problems of the prior art, provide a kind of Wear-resistant zirconium silicate medium ball, density is large, hardness is high, and wear resistance is good; The present invention also provides its preparation method, and technique is simple, and the equipment of needs is few, one-time investment is few, and output greatly and easily expand production.
Wear-resistant zirconium silicate medium ball of the present invention, the particle diameter of Wear-resistant zirconium silicate medium ball is 0.5-10mm, and the parts by weight of batching consist of:
Wherein: kaolin is commercial products, main component is Al
2o
3, SiO
2and H
2o; Wherein talcum powder, wollastonite, silicon powder, titanium dioxide, yttrium oxide are commercially available technical grade industrial chemicals.Tackiness agent is the PVA20-99 that the three-dimensional group in Shanxi produces.
Above-mentioned all raw material particle sizes are all less than 200 orders.
The chemical parts by weight of described Wear-resistant zirconium silicate medium ball consist of:
The preparation method of Wear-resistant zirconium silicate medium ball of the present invention, comprises the following steps:
(1) dress mill: mixed by all raw materials, by the method for wet ball grinding, raw material ball being milled to granularity is 0.8-2 μm, mist projection granulating, obtained superfine powder;
(2) mill is gone out: superfine powder is put into nodulizer, adds water, be uniformly mixed, sieve, obtained particle diameter is the kind ball of 0.1 ~ 0.5mm;
(3) rolling balling: add kind of a ball in Rollig nodulizer, according to kind of ball and water weight ratio 8-10:1 to continuous charging in Rollig nodulizer, rolls shaping; Reinforced speed particle diameter that is general and medium ball is proportional, and namely along with the increase of medium ball particle diameter, reinforced, amount of water will increase in right amount.Constantly detect the diameter of balling-up in rolling process, generally roll 8 ~ 10h, can obtain the medium ball that diameter is 0.5mm;
(4) dry: under field conditions (factors) by air-dry for the medium ball of polishing;
(5) burn till: in kiln, the speed of 50 DEG C/h rises to 300 DEG C from normal temperature, is then warming up to 1200 DEG C with 70-80 DEG C/h, insulation 1-2 hour; Then 1350 DEG C are warming up to 80-90 DEG C/h, insulation 2-3 hour; Then in 1 hour, 800 DEG C are cooled to, kiln discharge; Adopt the mode of fast cooling, make crystal grain remain on microcrystalline state, obtained medium ball density is large, wear-resisting, and stable chemical nature;
(6) polishing: the nature that adds water polishing 1 ~ 2h; Obtained Wear-resistant zirconium silicate medium ball, the particle diameter of Wear-resistant zirconium silicate medium ball is 0.5-10mm.
Wherein: the mass ratio that in step (2), superfine powder and water feed intake is 100:10 ~ 15.
In step (1), the method for wet ball grinding adopts this area routine techniques.
The Wear-resistant zirconium silicate medium ball physico-chemical property prepared is: density>=4.0g/cm
3; Grain size is 1.0-1.5 μm; Abrasion≤0.1g/Kg.h; Mohs' hardness>=7.0; Water-intake rate≤0.01%.
In sum, the present invention has the following advantages:
(1) the present invention adopts and presses down brilliant sintering, and burn till fast under the prerequisite ensureing sintering, adopt the mode of fast cooling, make crystal grain remain on microcrystalline state, obtained medium ball density is large, wear-resisting, and stable chemical nature;
(2) compared with the forming method of prior art, technique of the present invention is simple, and the equipment of needs is few, one-time investment is few, and output greatly and easily expand production;
(3) preparation method's scope of application of the present invention is large, can be used in the production that particle diameter is the Wear-resistant zirconium silicate medium ball of 0.5 ~ 10mm.
Embodiment
Below in conjunction with embodiment, the present invention will be further described.
Embodiment 1
(1) prepare burden: zirconium silicate powder 80kg, kaolin 10kg, talcum powder 3kg, wollastonite 2kg, silicon powder 1kg, titanium dioxide 2kg, yttrium oxide 2kg and tackiness agent (PVA20-99) 0.05kg;
(2) dress mill: mixed by all raw materials, by the method for wet ball grinding, raw material ball being milled to granularity is 1 μm, mist projection granulating, obtained superfine powder;
(3) mill is gone out: the superfine powder of 100kg is put into nodulizer, adds the water of 10kg, be uniformly mixed, sieve, obtained particle diameter is the kind ball of 0.1mm;
(4) rolling balling: add kind of a ball in Rollig nodulizer, when rolling shaping, according to spheroid and water weight ratio 10:1 to continuous charging in Rollig nodulizer;
(5) dry: under field conditions (factors) by air-dry for the medium ball of polishing;
(6) burn till: carry out according to following sintering curve: in kiln, the speed of 50 DEG C/h rises to 300 DEG C from normal temperature, is then warming up to 1200 DEG C with 70 DEG C/h, be incubated 2 hours; Then be warming up to 1350 DEG C with 80 DEG C/h, be incubated 3 hours; Then in 1 hour, 800 DEG C are cooled to, kiln discharge;
(7) polishing: the nature that adds water polishing 2h; Obtained Wear-resistant zirconium silicate medium ball, the particle diameter of Wear-resistant zirconium silicate medium ball is 0.5mm.According to the method described above, obtained Wear-resistant zirconium silicate medium ball, is made up of the component of following weight percent:
The micro crystal wearable zirconium silicate ball physico-chemical property prepared is: density 4.01g/cm
3; Grain size is 1.0 μm; Abrasion 0.09g/Kg.h; Mohs' hardness 7.3; Water-intake rate 0.
Embodiment 2
(1) prepare burden: zirconium silicate powder 85kg, kaolin 8kg, talcum powder 2kg, wollastonite 1kg, silicon powder 2kg, titanium dioxide 2kg, yttrium oxide 2kg and tackiness agent (PVA20-99) 0.06kg;
(2) dress mill: mixed by all raw materials, by the method for wet ball grinding, raw material ball being milled to granularity is 2 μm, mist projection granulating, obtained superfine powder;
(3) mill is gone out: the superfine powder of 100kg is put into nodulizer, adds the water of 10kg, be uniformly mixed, sieve, obtained particle diameter is the kind ball of 0.5mm;
(4) rolling balling: add kind of a ball in Rollig nodulizer, when rolling shaping, according to spheroid and water weight ratio 10:1 to continuous charging in Rollig nodulizer;
(5) dry: under field conditions (factors) by air-dry for the medium ball of polishing;
(6) burn till: carry out according to following sintering curve: in kiln, the speed of 50 DEG C/h rises to 300 DEG C from normal temperature, is then warming up to 1200 DEG C with 80 DEG C/h, be incubated 1 hour; Then be warming up to 1350 DEG C with 90 DEG C/h, be incubated 2 hours; Then in 1 hour, 800 DEG C are cooled to, kiln discharge;
(7) polishing: the nature that adds water polishing 1h; Obtained Wear-resistant zirconium silicate medium ball, the particle diameter of Wear-resistant zirconium silicate medium ball is 8mm.According to the method described above, obtained Wear-resistant zirconium silicate medium ball, is made up of the component of following weight percent:
The micro crystal wearable ceramic ball physico-chemical property prepared is: density 4.0g/cm
3; Grain size is 1.0 μm; Abrasion 0.12g/Kg.h; Mohs' hardness 7.2; Water-intake rate 0.01%.
Embodiment 3
(1) prepare burden: zirconium silicate powder 84kg, kaolin 5kg, talcum powder 1kg, wollastonite 1kg, silicon powder 1kg, titanium dioxide 1kg, yttrium oxide 1kg and tackiness agent (PVA20-99) 0.08kg;
(2) dress mill: mixed by all raw materials, by the method for wet ball grinding, raw material ball being milled to granularity is 1 μm, mist projection granulating, obtained superfine powder;
(3) mill is gone out: the superfine powder of 100kg is put into nodulizer, adds the water of 15kg, be uniformly mixed, sieve, obtained particle diameter is the kind ball of 0.2mm;
(4) rolling balling: add kind of a ball in Rollig nodulizer, when rolling shaping, according to spheroid and water weight ratio 8:1 to continuous charging in Rollig nodulizer;
(5) dry: under field conditions (factors) by air-dry for the medium ball of polishing;
(6) burn till: carry out according to following sintering curve: in kiln, the speed of 50 DEG C/h rises to 300 DEG C from normal temperature, is then warming up to 1200 DEG C with 75 DEG C/h, be incubated 1 hour; Then be warming up to 1350 DEG C with 85 DEG C/h, be incubated 2 hours; Then in 1 hour, 800 DEG C are cooled to, kiln discharge;
(7) polishing: the nature that adds water polishing 1h; Obtained Wear-resistant zirconium silicate medium ball, the particle diameter of Wear-resistant zirconium silicate medium ball is 3mm.According to the method described above, obtained Wear-resistant zirconium silicate medium ball, is made up of the component of following weight percent:
The micro crystal wearable ceramic ball physico-chemical property prepared is: density 4.05g/cm
3; Grain size is 1.0 μm; Abrasion 0.15g/Kg.h; Mohs' hardness 7.3; Water-intake rate is less than 0.01%.
Embodiment 4
(1) prepare burden: zirconium silicate powder 90kg, kaolin 7kg, talcum powder 2kg, wollastonite 1kg, silicon powder 1kg, titanium dioxide 2kg, yttrium oxide 2kg and tackiness agent (PVA20-99) 0.1kg;
(2) dress mill: mixed by all raw materials, by the method for wet ball grinding, raw material ball being milled to granularity is 0.8 μm, mist projection granulating, obtained superfine powder;
(3) mill is gone out: the superfine powder of 100kg is put into nodulizer, adds the water of 12kg, be uniformly mixed, sieve, obtained particle diameter is the kind ball of 0.2mm;
(4) rolling balling: add kind of a ball in Rollig nodulizer, when rolling shaping, according to spheroid and water weight ratio 10:1 to continuous charging in Rollig nodulizer;
(5) dry: under field conditions (factors) by air-dry for the medium ball of polishing;
(6) burn till: carry out according to following sintering curve: in kiln, the speed of 50 DEG C/h rises to 300 DEG C from normal temperature, is then warming up to 1200 DEG C with 75 DEG C/h, be incubated 1 hour; Then be warming up to 1350 DEG C with 85 DEG C/h, be incubated 2 hours; Then in 1 hour, 800 DEG C are cooled to, kiln discharge;
(7) polishing: the nature that adds water polishing 2h; Obtained Wear-resistant zirconium silicate medium ball, the particle diameter of Wear-resistant zirconium silicate medium ball is 2mm.According to the method described above, obtained Wear-resistant zirconium silicate medium ball, is made up of the component of following weight percent:
The micro crystal wearable ceramic ball physico-chemical property prepared is: density 4.05g/cm
3; Grain size is 1.0 μm; Abrasion 0.03g/Kg.h; Mohs' hardness 7.3; Water-intake rate 0.
Claims (1)
1. a Wear-resistant zirconium silicate medium ball, is characterized in that:
(1) prepare burden: zirconium silicate powder 80kg, kaolin 10kg, talcum powder 3kg, wollastonite 2kg, silicon powder 1kg, titanium dioxide 2kg, yttrium oxide 2kg and binder PVA 20-990.05kg;
(2) dress mill: mixed by all raw materials, by the method for wet ball grinding, raw material ball being milled to granularity is 1 μm, mist projection granulating, obtained superfine powder;
(3) mill is gone out: the superfine powder of 100kg is put into nodulizer, adds the water of 10kg, be uniformly mixed, sieve, obtained particle diameter is the kind ball of 0.1mm;
(4) rolling balling: add kind of a ball in Rollig nodulizer, when rolling shaping, according to spheroid and water weight ratio 10:1 to continuous charging in Rollig nodulizer, obtained medium ball;
(5) dry: under field conditions (factors) by air-dry for the medium ball of polishing;
(6) burn till: carry out according to following sintering curve: in kiln, the speed of 50 DEG C/h rises to 300 DEG C from normal temperature, is then warming up to 1200 DEG C with 70 DEG C/h, be incubated 2 hours; Then be warming up to 1350 DEG C with 80 DEG C/h, be incubated 3 hours; Then in 1 hour, 800 DEG C are cooled to, kiln discharge;
(7) polishing: the nature that adds water polishing 2h; Obtained Wear-resistant zirconium silicate medium ball, the particle diameter of Wear-resistant zirconium silicate medium ball is 0.5mm;
According to the method described above, obtained Wear-resistant zirconium silicate medium ball, is made up of the component of following weight percent:
ZrO
257%
SiO
232%
Al
2O
35.2%
MgO1%
CaO0.8%
TiO
22%
Y
2O
32%。
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| CN109678499A (en) * | 2018-12-30 | 2019-04-26 | 郑州可塑金新材料有限公司 | A method of using clout prepare in density high-strength multipurpose zirconium silicate compounded microbeads |
| CN115557776B (en) * | 2022-09-26 | 2023-05-09 | 安徽铁创新材料科技有限公司 | Preparation method, device and application of high-strength composite wheel-rail tackifying ceramic particles |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101037337A (en) * | 2007-04-27 | 2007-09-19 | 淄博启明星新材料有限公司 | Preparation method of micro crystal wearable ceramic ball |
| CN102795848A (en) * | 2012-08-02 | 2012-11-28 | 江苏锡阳研磨科技有限公司 | Low-temperature sintered zirconium silicate grinding ball and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101037337A (en) * | 2007-04-27 | 2007-09-19 | 淄博启明星新材料有限公司 | Preparation method of micro crystal wearable ceramic ball |
| CN102795848A (en) * | 2012-08-02 | 2012-11-28 | 江苏锡阳研磨科技有限公司 | Low-temperature sintered zirconium silicate grinding ball and preparation method thereof |
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