CN107352984A - A kind of preparation method of mill ball - Google Patents
A kind of preparation method of mill ball Download PDFInfo
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- CN107352984A CN107352984A CN201710729609.6A CN201710729609A CN107352984A CN 107352984 A CN107352984 A CN 107352984A CN 201710729609 A CN201710729609 A CN 201710729609A CN 107352984 A CN107352984 A CN 107352984A
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
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- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/62605—Treating the starting powders individually or as mixtures
- C04B35/62695—Granulation or pelletising
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- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/14—Anti-slip materials; Abrasives
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- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
- C04B2235/3208—Calcium oxide or oxide-forming salts thereof, e.g. lime
- C04B2235/321—Dolomites, i.e. mixed calcium magnesium carbonates
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- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
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- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3418—Silicon oxide, silicic acids or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
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- C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
- C04B2235/54—Particle size related information
- C04B2235/5418—Particle size related information expressed by the size of the particles or aggregates thereof
- C04B2235/5436—Particle size related information expressed by the size of the particles or aggregates thereof micrometer sized, i.e. from 1 to 100 micron
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- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
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- C04B2235/54—Particle size related information
- C04B2235/5418—Particle size related information expressed by the size of the particles or aggregates thereof
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- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
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Abstract
The invention discloses a kind of preparation method of mill ball, comprise the following steps：1）It is 0.8 1.2 μm by zirconium oxide and aluminum oxide mixing and ball milling to average grain diameter that weight ratio is 1: 18 30, obtains the first raw material powder；2）By step 1）The first obtained raw material powder is put into after being well mixed with white carbon, the dolomite that average grain diameter is 0.5 0.9 μm, the carborundum that average grain diameter is 0.4 1.5 μm that average grain diameter is 0.3 0.5 μm and the mill ball base that particle diameter is 45 55mm is rolled onto in nodulizer；Mill ball prepared by the present invention is non-friable, intensity is high, anti-wear performance is good.
Description
Technical field
The present invention relates to a kind of preparation method of mill ball.
Background technology
Mill ball is widely used in the attrition process field of the every profession and trade raw material such as mineral, ceramics, coating, cosmetics, naturally grinds
Mill material can not meet the requirement of growing severity of grind in intensity.Artificial mill ball have it is pollution-free to material or
Pollution very little, the advantages that acid-alkali-corrosive-resisting ability is strong, anti-wear performance is excellent and gradually substitute natural abrasive, mill ball conduct
A kind of abrasive media, not only directly influences the height of production efficiency, and also affects the quality of product quality.City at present
Mill ball main component on field includes aluminum oxide, zirconium oxide, carborundum, silicon nitride, but frangible, anti-wear performance and strong be present
Spend the problem of poor.
The content of the invention
The technical problems to be solved by the invention are the shortcomings that overcoming above prior art：A kind of non-friable, intensity is provided
The preparation method of mill ball high, anti-wear performance is good.
The technical solution of the present invention is as follows：A kind of preparation method of mill ball, comprises the following steps：
1）It is 0.8-1.2 μm by zirconium oxide and aluminum oxide mixing and ball milling to average grain diameter that weight ratio is 1: 18-30, obtains first
Raw material powder；
2）By step 1）White carbon that obtained the first raw material powder is 0.3-0.5 μm with average grain diameter, average grain diameter 0.5-
It is put into after carborundum that 0.9 μm of dolomite, average grain diameter are 0.4-1.5 μm is well mixed in nodulizer and is rolled onto particle diameter and is
45-55mm mill ball base；
3）By step 2）The mill ball base of preparation is placed in sintering oven, and 1360- is warming up to 50-68 DEG C/h heating rate
1400 DEG C, 10-12 hours are incubated, mill ball is produced after cooling.
In step 2）In, the weight of each component is：First raw material powder 560-780 parts；White carbon 16-27 parts；
Dolomite 120-150 parts；Carborundum 3-8 parts.
The weight of each component is：First 700 parts of raw material powder；20 parts of white carbon；120 parts of dolomite；Carborundum
8 parts.
In step 3）In, the heating rate of sintering oven is 55 DEG C/h.
In step 3）In, the sintering temperature of sintering oven is 1380 DEG C.
The beneficial effects of the invention are as follows：The present invention by the way that rational compositional selecting and particle diameter will be used to match mixing granulation,
To realize good grain boundary structure, effective crystal grain thinning, the wearability and intensity for making mill ball are lifted.
Embodiment
The present invention is described in further details with specific embodiment below, but the present invention is not only limited in detail below in fact
Apply example.
Embodiment one
Mill ball is prepared according to following steps：
1）It is 0.8-1.2 μm by zirconium oxide and aluminum oxide mixing and ball milling to average grain diameter that weight ratio is 1: 23, it is former obtains first
Feed powder；
2）By step 1）White carbon that obtained the first raw material powder is 0.3-0.5 μm with average grain diameter, average grain diameter 0.5-
It is put into after carborundum that 0.9 μm of dolomite, average grain diameter are 0.4-1.5 μm is well mixed in nodulizer and is rolled onto particle diameter and is
45-55mm mill ball base；Wherein, the weight of each component is：First 560 parts of raw material powder；16 parts of white carbon；White clouds
120 parts of stone；3 parts of carborundum；
3）By step 2）The mill ball base of preparation is placed in sintering oven, is warming up to 1360 DEG C with 50 DEG C/h heating rate, is protected
Temperature 10 hours, produces mill ball after cooling.
Embodiment two
Mill ball is prepared according to following steps：
1）It is 0.8-1.2 μm by zirconium oxide and aluminum oxide mixing and ball milling to average grain diameter that weight ratio is 1: 27, it is former obtains first
Feed powder；
2）By step 1）White carbon that obtained the first raw material powder is 0.3-0.5 μm with average grain diameter, average grain diameter 0.5-
It is put into after carborundum that 0.9 μm of dolomite, average grain diameter are 0.4-1.5 μm is well mixed in nodulizer and is rolled onto particle diameter and is
45-55mm mill ball base；The weight of each component is：First 780 parts of raw material powder；27 parts of white carbon；Dolomite
150 parts；8 parts of carborundum；
3）By step 2）The mill ball base of preparation is placed in sintering oven, is warming up to 1400 DEG C with 68 DEG C/h heating rate, is protected
Temperature 12 hours, produces mill ball after cooling.
Embodiment three
Mill ball is prepared according to following steps：
1）It is 0.8-1.2 μm by zirconium oxide and aluminum oxide mixing and ball milling to average grain diameter that weight ratio is 1: 25, it is former obtains first
Feed powder；
2）By step 1）White carbon that obtained the first raw material powder is 0.3-0.5 μm with average grain diameter, average grain diameter 0.5-
It is put into after carborundum that 0.9 μm of dolomite, average grain diameter are 0.4-1.5 μm is well mixed in nodulizer and is rolled onto particle diameter and is
45-55mm mill ball base；Wherein, the weight of each component is：First 700 parts of raw material powder；20 parts of white carbon；White clouds
120 parts of stone；8 parts of carborundum.
3）By step 2）The mill ball base of preparation is placed in sintering oven, and 1380 are warming up to 55 DEG C/h heating rate
DEG C, 12 hours are incubated, mill ball is produced after cooling.
Example IV
Mill ball is prepared according to following steps：
1）It is 0.8-1.2 μm by zirconium oxide and aluminum oxide mixing and ball milling to average grain diameter that weight ratio is 1: 19, it is former obtains first
Feed powder；
2）By step 1）White carbon that obtained the first raw material powder is 0.3-0.5 μm with average grain diameter, average grain diameter 0.5-
It is put into after carborundum that 0.9 μm of dolomite, average grain diameter are 0.4-1.5 μm is well mixed in nodulizer and is rolled onto particle diameter and is
45-55mm mill ball base；The weight of each component is：First 780 parts of raw material powder；27 parts of white carbon；Dolomite
150 parts；8 parts of carborundum；
3）By step 2）The mill ball base of preparation is placed in sintering oven, is warming up to 1400 DEG C with 60 DEG C/h heating rate, is protected
Temperature 12 hours, produces mill ball after cooling.
Embodiment five
Mill ball is prepared according to following steps：
1）It is 0.8-1.2 μm by zirconium oxide and aluminum oxide mixing and ball milling to average grain diameter that weight ratio is 1: 30, it is former obtains first
Feed powder；
2）By step 1）White carbon that obtained the first raw material powder is 0.3-0.5 μm with average grain diameter, average grain diameter 0.5-
It is put into after carborundum that 0.9 μm of dolomite, average grain diameter are 0.4-1.5 μm is well mixed in nodulizer and is rolled onto particle diameter and is
45-55mm mill ball base；Wherein, the weight of each component is：First 700 parts of raw material powder；20 parts of white carbon；White clouds
120 parts of stone；8 parts of carborundum.
3）By step 2）The mill ball base of preparation is placed in sintering oven, and 1380 are warming up to 50 DEG C/h heating rate
DEG C, 12 hours are incubated, mill ball is produced after cooling.
It the above is only the feature implementation example of the present invention, the scope of the present invention be not limited in any way.It is all to use together
The technical scheme formed Deng exchange or equivalence replacement, all falls within rights protection scope of the present invention.
Claims (5)
- A kind of 1. preparation method of mill ball, it is characterised in that：Comprise the following steps：1）It is 0.8-1.2 μm by zirconium oxide and aluminum oxide mixing and ball milling to average grain diameter that weight ratio is 1: 18-30, obtains first Raw material powder；2）By step 1）White carbon that obtained the first raw material powder is 0.3-0.5 μm with average grain diameter, average grain diameter 0.5- It is put into after carborundum that 0.9 μm of dolomite, average grain diameter are 0.4-1.5 μm is well mixed in nodulizer and is rolled onto particle diameter and is 45-55mm mill ball base；3）By step 2）The mill ball base of preparation is placed in sintering oven, and 1360- is warming up to 50-68 DEG C/h heating rate 1400 DEG C, 10-12 hours are incubated, mill ball is produced after cooling.
- 2. the preparation method of mill ball according to claim 1, it is characterised in that：In step 2）In, the weight of each component Part matches：First raw material powder 560-780 parts；White carbon 16-27 parts；Dolomite 120-150 parts；Carborundum 3-8 parts.
- 3. the preparation method of mill ball according to claim 2, it is characterised in that：The weight of each component is：The One 700 parts of raw material powder；20 parts of white carbon；120 parts of dolomite；8 parts of carborundum.
- 4. the preparation method of mill ball according to claim 1, it is characterised in that：In step 3）In, the heating of sintering oven Speed is 55 DEG C/h.
- 5. the preparation method of mill ball according to claim 4, it is characterised in that：In step 3）In, the sintering of sintering oven Temperature is 1380 DEG C.
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| CN201710729609.6A CN107352984A (en) | 2017-08-23 | 2017-08-23 | A kind of preparation method of mill ball |
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Cited By (2)
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| CN108821753A (en) * | 2018-07-30 | 2018-11-16 | 界首市鑫全龙粮食机械购销有限公司 | A kind of wear-resisting mill ball of cornmill |
| CN117735962A (en) * | 2023-12-21 | 2024-03-22 | 宁波国锋新材料科技有限公司 | Alumina grinding medium and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108821753A (en) * | 2018-07-30 | 2018-11-16 | 界首市鑫全龙粮食机械购销有限公司 | A kind of wear-resisting mill ball of cornmill |
| CN117735962A (en) * | 2023-12-21 | 2024-03-22 | 宁波国锋新材料科技有限公司 | Alumina grinding medium and preparation method thereof |
| CN117735962B (en) * | 2023-12-21 | 2024-06-11 | 宁波国锋新材料科技有限公司 | Alumina grinding medium and preparation method thereof |
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Application publication date: 20171117 |