CN106282722B - A kind of cement grinding system special aluminium oxide ceramics ball and preparation method thereof - Google Patents
A kind of cement grinding system special aluminium oxide ceramics ball and preparation method thereof Download PDFInfo
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- CN106282722B CN106282722B CN201610676983.XA CN201610676983A CN106282722B CN 106282722 B CN106282722 B CN 106282722B CN 201610676983 A CN201610676983 A CN 201610676983A CN 106282722 B CN106282722 B CN 106282722B
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- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 title claims abstract description 128
- 239000000919 ceramic Substances 0.000 title claims abstract description 47
- 239000004568 cement Substances 0.000 title claims abstract description 45
- 238000000227 grinding Methods 0.000 title claims abstract description 41
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 239000002994 raw material Substances 0.000 claims abstract description 30
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 24
- 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 21
- 239000005995 Aluminium silicate Substances 0.000 claims abstract description 19
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 19
- 235000012211 aluminium silicate Nutrition 0.000 claims abstract description 19
- 239000010936 titanium Substances 0.000 claims abstract description 19
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 19
- 239000002223 garnet Substances 0.000 claims abstract description 14
- 229910000420 cerium oxide Inorganic materials 0.000 claims abstract description 13
- 229910001940 europium oxide Inorganic materials 0.000 claims abstract description 13
- AEBZCFFCDTZXHP-UHFFFAOYSA-N europium(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Eu+3].[Eu+3] AEBZCFFCDTZXHP-UHFFFAOYSA-N 0.000 claims abstract description 13
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000000843 powder Substances 0.000 claims abstract description 13
- 229910001954 samarium oxide Inorganic materials 0.000 claims abstract description 13
- 229940075630 samarium oxide Drugs 0.000 claims abstract description 13
- FKTOIHSPIPYAPE-UHFFFAOYSA-N samarium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[Sm+3].[Sm+3] FKTOIHSPIPYAPE-UHFFFAOYSA-N 0.000 claims abstract description 13
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052771 Terbium Inorganic materials 0.000 claims abstract description 12
- 239000000440 bentonite Substances 0.000 claims abstract description 12
- 229910000278 bentonite Inorganic materials 0.000 claims abstract description 12
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 12
- BERDEBHAJNAUOM-UHFFFAOYSA-N copper(I) oxide Inorganic materials [Cu]O[Cu] BERDEBHAJNAUOM-UHFFFAOYSA-N 0.000 claims abstract description 12
- KRFJLUBVMFXRPN-UHFFFAOYSA-N cuprous oxide Chemical compound [O-2].[Cu+].[Cu+] KRFJLUBVMFXRPN-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229940112669 cuprous oxide Drugs 0.000 claims abstract description 12
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000010456 wollastonite Substances 0.000 claims abstract description 12
- 229910052882 wollastonite Inorganic materials 0.000 claims abstract description 12
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 claims abstract description 11
- 229910052808 lithium carbonate Inorganic materials 0.000 claims abstract description 11
- -1 terbium peroxide Chemical class 0.000 claims abstract description 11
- 238000009768 microwave sintering Methods 0.000 claims description 33
- ZGDWHDKHJKZZIQ-UHFFFAOYSA-N cobalt nickel Chemical compound [Co].[Ni].[Ni].[Ni] ZGDWHDKHJKZZIQ-UHFFFAOYSA-N 0.000 claims description 16
- 229910000990 Ni alloy Inorganic materials 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 239000008188 pellet Substances 0.000 claims description 13
- 239000002202 Polyethylene glycol Substances 0.000 claims description 12
- 229920001223 polyethylene glycol Polymers 0.000 claims description 12
- 229920005575 poly(amic acid) Polymers 0.000 claims description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 8
- 238000000498 ball milling Methods 0.000 claims description 7
- 239000003595 mist Substances 0.000 claims description 7
- 239000002002 slurry Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 5
- 239000010941 cobalt Substances 0.000 claims description 4
- 229910017052 cobalt Inorganic materials 0.000 claims description 4
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 229910052759 nickel Inorganic materials 0.000 claims description 4
- 239000004743 Polypropylene Substances 0.000 claims 1
- 150000001408 amides Chemical class 0.000 claims 1
- PNEFIWYZWIQKEK-UHFFFAOYSA-N carbonic acid;lithium Chemical compound [Li].OC(O)=O PNEFIWYZWIQKEK-UHFFFAOYSA-N 0.000 claims 1
- 229920001155 polypropylene Polymers 0.000 claims 1
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 230000035939 shock Effects 0.000 abstract description 3
- 230000003647 oxidation Effects 0.000 description 9
- 238000007254 oxidation reaction Methods 0.000 description 9
- 239000004411 aluminium Substances 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- 238000005245 sintering Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000002689 soil Substances 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 239000013078 crystal Substances 0.000 description 3
- 239000012071 phase Substances 0.000 description 3
- 229910020630 Co Ni Inorganic materials 0.000 description 2
- 229910002440 Co–Ni Inorganic materials 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 229910052622 kaolinite Inorganic materials 0.000 description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- GZCRRIHWUXGPOV-UHFFFAOYSA-N terbium atom Chemical compound [Tb] GZCRRIHWUXGPOV-UHFFFAOYSA-N 0.000 description 2
- 229910018516 Al—O Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 229910000905 alloy phase Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
- C22C29/12—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
- B02C17/20—Disintegrating members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/10—Sintering only
- B22F3/105—Sintering only by using electric current other than for infrared radiant energy, laser radiation or plasma ; by ultrasonic bonding
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/05—Mixtures of metal powder with non-metallic powder
- C22C1/051—Making hard metals based on borides, carbides, nitrides, oxides or silicides; Preparation of the powder mixture used as the starting material therefor
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
- C22C29/005—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides comprising a particular metallic binder
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/10—Sintering only
- B22F3/105—Sintering only by using electric current other than for infrared radiant energy, laser radiation or plasma ; by ultrasonic bonding
- B22F2003/1054—Sintering only by using electric current other than for infrared radiant energy, laser radiation or plasma ; by ultrasonic bonding by microwave
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
- B22F2998/10—Processes characterised by the sequence of their steps
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Manufacturing & Machinery (AREA)
- Food Science & Technology (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
The invention discloses a kind of cement grinding system special aluminium oxide ceramics ball and preparation method thereof, the raw material of Ceramic Balls includes by weight：60 80 parts of alumina powder, 58 parts of titanium carbonitride, 5 12 parts of yttrium-aluminium-garnet, 2 10 parts of zirconium silicate, 15 parts of wollastonite, 25 parts of bentonite, 5 15 parts of kaolin, 25 parts of tungsten carbide, 0.5 1.5 parts of calcium carbonate, 0.1 0.8 parts of lithium carbonate, 0.1 0.5 parts of cerium oxide, 0.1 0.5 parts of europium oxide, 0.5 1.5 parts of terbium peroxide, 0.2 1 parts of samarium oxide, 0.1 1 parts of cuprous oxide.Cement grinding system special aluminium oxide ceramics ball proposed by the present invention and preparation method thereof, the preparation method process is simple, mild condition, its excellent shock resistance of obtained aluminium oxide ceramic ball, wearability is good, in cement grinding system, energy consumption is small, and stability is good, and breakage rate is low.
Description
Technical field
The present invention relates to wear-resistant ball technical field, more particularly to a kind of cement grinding system special aluminium oxide ceramics ball and its
Preparation method.
Background technology
In recent years since, national correlation department is advocating " energy-saving " always, strives reducing the operation cost of enterprise, reduces
Waste of each manufacturing enterprise to resource.As the cement production enterprise of China's economic development important component, " energy-conservation is also progressed into
The ranks of consumption reduction ".In cement production process, the energy resource consumption during " two mills " accounts for exhausted big in whole cement production process
Ratio, therefore under the relevant policies of national " energy-saving ", how to improve mill efficiency, reduce grinding pow consumption, improve ball
Yield always is the problem of China cement technology worker research during grinding machine.And on the other hand, because cement grinding mill technology is to water
Mud performance has important influence, considers the relation between energy consumption and cement performance, promotes grinding technology development of rationality
Increasingly paid close attention to by professional.
The crucial efficiency in lifting ball mill of " two mills " energy consumption how is reduced, reduces the wear rate of steel ball in ball mill.
At present during " two mills ", very big to the wear rate of steel ball, steel ball needs frequently to change and add, and increase only cement
The operation cost of enterprise, and reduce the operating efficiency of cement production enterprise.Aluminium oxide ceramic ball is due to suitable hardness, fitting
In density, wear-resisting, corrosion-resistant, price is low, therefore be considered as the optimal selection for replacing steel ball, but in the development of many decades
During, people still not quite understand to aluminium oxide ceramic ball, and existing aluminium oxide ceramic ball impact resistance and anti-wear performance are not
It is highly desirable, during use, the defects of breakage rate is high, and stability is not good enough is present.
The content of the invention
Based on technical problem existing for background technology, the present invention proposes a kind of cement grinding system special aluminium oxide ceramics
Ball and preparation method thereof, the preparation method process is simple, mild condition, and obtained aluminium oxide ceramic ball shock resistance is excellent
Different, wearability is good, and in cement grinding system, energy consumption to be small, stability is good, and breakage rate is low.
A kind of cement grinding system special aluminium oxide ceramics ball proposed by the present invention, its raw material include by weight：Oxidation
Aluminium powder 60-80 parts, titanium carbonitride 5-8 parts, yttrium-aluminium-garnet 5-12 parts, zirconium silicate 2-10 parts, wollastonite 1-5 parts, bentonite
2-5 parts, kaolin 5-15 parts, tungsten carbide 2-5 parts, calcium carbonate 0.5-1.5 parts, lithium carbonate 0.1-0.8 parts, cerium oxide 0.1-0.5
Part, europium oxide 0.1-0.5 parts, terbium peroxide 0.5-1.5 parts, samarium oxide 0.2-1 parts, cuprous oxide 0.1-1 parts, cobalt-nickel alloy
3-8 parts.
Preferably, its raw material includes by weight：Alumina powder 68-75 parts, titanium carbonitride 5.9-7.1 parts, yttroalumite
Garnet 7.6-8.7 parts, zirconium silicate 5.3-6.2 parts, wollastonite 2.8-3.9 parts, bentonite 3-4 parts, kaolin 7.3-8.1 parts, carbon
Change tungsten 3-4 parts, calcium carbonate 0.9-1.3 parts, lithium carbonate 0.38-0.5 parts, cerium oxide 0.27-0.38 parts, europium oxide 0.2-0.4 parts,
Terbium peroxide 0.8-1.3 parts, samarium oxide 0.5-0.8 parts, cuprous oxide 0.55-0.72 parts, cobalt-nickel alloy 4.8-5.3 parts.
Preferably, its raw material includes by weight：70 parts of alumina powder, 6.5 parts of titanium carbonitride, 8 parts of yttrium-aluminium-garnet,
5.7 parts of zirconium silicate, 3.5 parts of wollastonite, 3.6 parts of bentonite, 7.5 parts of kaolin, 3.6 parts of tungsten carbide, 1 part of calcium carbonate, lithium carbonate
0.4 part, 0.3 part of cerium oxide, 0.28 part of europium oxide, 1 part of terbium peroxide, 0.6 part of samarium oxide, 0.7 part of cuprous oxide, cobalt nickel close
5 parts of gold.
Preferably, the average grain diameter of the titanium carbonitride is 0.8-1.5 μm.
Preferably, the kaolin is calcined kaolin, and the granularity of calcined kaolin is 350-450 mesh, and iron content
No more than 0.5wt%.
Preferably, in the cobalt-nickel alloy, the weight ratio of cobalt and nickel is 1:2-5.
A kind of preparation method for cement grinding system special aluminium oxide ceramics ball that the present invention also proposes, including it is following
Step：
S1, by proportioning each raw material is put into ball mill, adds ball milling 8-10h after water, poly amic acid and polyethylene glycol
Mud is obtained, by slurry dewatering, and it is 0.5-1.2wt% to be dried to water content, is then fed into mist projection granulating tower and be granulated
To pellet；
S2,15-20h is dried at 45-55 DEG C after pellet is molded, then add in microwave agglomerating furnace and carry out microwave twice
Sintering obtains the cement grinding system special aluminium oxide ceramics ball, wherein the temperature of a microwave sintering is 1200-1350 DEG C,
The time of microwave sintering is 0.5-1.3h, and the temperature of secondary microwave sintering is 1550-1630 DEG C, secondary microwave sintering when
Between be 2-3.5h；During sintering, microwave sintering is have selected, and controls the technological parameter of sintering, makes micro- group of ceramics
Knit and uniformly promote densification, make the mechanical property of Ceramic Balls optimal, wherein, relative density reaches 99.6%, and bending strength reaches
To more than 1150MPa, fracture toughness is more than 10.8MPam1/2, and Vickers hardness is up to more than 1920HV, crushing strength
More than 2.895kN, it is less than 5.56ppm/h from wear rate.
Preferably, in S1, the weight of poly amic acid is the 0.5-1% of each raw material gross weight, the weight of polyethylene glycol
For the 1-2% of each raw material gross weight.
Preferably, in S2, pellet is put into cold isostatic press and is molded, wherein the pressure being molded is 80-
95MPa, the time of pressurize is 15-25min.
In the raw material of cement grinding system special aluminium oxide ceramics ball of the present invention, using alumina powder as matrix material
Material, adds titanium carbonitride and yttrium-aluminium-garnet, wherein, yttrium-aluminium-garnet has excellent high temperature and chemical stability, high
Creep-resistant property and good comprehensive mechanical property, the crushing strengths of Ceramic Balls is significantly improved after coordinating with titanium carbonitride,
Vickers hardness and wearability；Tungsten carbide is added, improves the fracture toughness and bending strength of system, while reduces material
Coefficient of friction and wear rate；Add terbium peroxide, on the one hand, its Tb formed in system3Al5O12Crystal can decompose,
And between aluminum oxide crystal boundary, the consistency of system is improved, and on the other hand, Tb3+And Tb4+Between can phase co-conversion, with cerium oxide
The CeAl of formation11O18Be advantageous to suppression alumina grain after mutual cooperation to grow up, make stomata discharge abundant, significantly improve pottery
The consistency of porcelain, the wearability of Ceramic Balls is enhanced after coordinating with europium oxide and samarium oxide, while reduce the temperature of sintering；Oxygen
Change in cuprous addition system, form Cu-Al-O ternary oxides, have the function that to promote supporter sintering, further improve
The consistency of system, reduces porosity, enhances the rupture strength of system；In zirconium silicate addition system, divide at high temperature
Solve the ZrO formed2Particle has the function that toughness reinforcing, reduces the coefficient of expansion of system, significantly improve Ceramic Balls toughness and
Thermoplasticity；In cobalt-nickel alloy addition system, after coordinating with titanium carbonitride, it is dispersed with uniformly in the particle periphery of aluminum oxide principal crystalline phase
And tiny TiC0.5N0.5And Co-Ni alloy phases, the triangle grain boundaries formed in threephase region are because energy is low, high temperature sintering
When, Co-Ni phases belong to liquid phase state and are distributed in grain boundaries, reduce interface energy, make to be tightly combined between composite grain, be advantageous to strengthen
Crystal boundary, improve the intensity and shock resistance of Ceramic Balls.
Embodiment
Below, technical scheme is described in detail by specific embodiment.
Embodiment 1
A kind of cement grinding system special aluminium oxide ceramics ball proposed by the present invention, its raw material include by weight：Oxidation
80 parts of aluminium powder, 5 parts of titanium carbonitride, 12 parts of yttrium-aluminium-garnet, 2 parts of zirconium silicate, 5 parts of wollastonite, 2 parts of bentonite, kaolin 15
Part, 2 parts of tungsten carbide, 1.5 parts of calcium carbonate, 0.1 part of lithium carbonate, 0.5 part of cerium oxide, 0.1 part of europium oxide, 1.5 parts of terbium peroxide,
0.2 part of samarium oxide, 1 part of cuprous oxide, 3 parts of cobalt-nickel alloy.
A kind of preparation method for cement grinding system special aluminium oxide ceramics ball that the present invention also proposes, including it is following
Step：
S1, by proportioning each raw material is put into ball mill, ball milling 8h is obtained after adding water, poly amic acid and polyethylene glycol
Mud, by slurry dewatering, and it is 1.2wt% to be dried to water content, is then fed into mist projection granulating tower and is granulated to obtain pellet；
S2,20h is dried at 45 DEG C after pellet is molded, then carrying out microwave sintering twice in addition microwave agglomerating furnace obtains
To the cement grinding system special aluminium oxide ceramics ball, wherein the temperature of a microwave sintering is 1200 DEG C, one time microwave burns
The time of knot is 1.3h, and the temperature of secondary microwave sintering is 1550 DEG C, and the time of secondary microwave sintering is 3.5h.
Embodiment 2
A kind of cement grinding system special aluminium oxide ceramics ball proposed by the present invention, its raw material include by weight：Oxidation
60 parts of aluminium powder, 8 parts of titanium carbonitride, 5 parts of yttrium-aluminium-garnet, 10 parts of zirconium silicate, 1 part of wollastonite, 5 parts of bentonite, kaolin 5
Part, 5 parts of tungsten carbide, 0.5 part of calcium carbonate, 0.8 part of lithium carbonate, 0.1 part of cerium oxide, 0.5 part of europium oxide, 0.5 part of terbium peroxide,
1 part of samarium oxide, 0.1 part of cuprous oxide, 8 parts of cobalt-nickel alloy.
A kind of preparation method for cement grinding system special aluminium oxide ceramics ball that the present invention also proposes, including it is following
Step：
S1, by proportioning each raw material is put into ball mill, ball milling 10h is obtained after adding water, poly amic acid and polyethylene glycol
To mud, by slurry dewatering, and it is 0.5wt% to be dried to water content, is then fed into mist projection granulating tower and is granulated to obtain pellet；
S2,15h is dried at 55 DEG C after pellet is molded, then carrying out microwave sintering twice in addition microwave agglomerating furnace obtains
To the cement grinding system special aluminium oxide ceramics ball, wherein the temperature of a microwave sintering is 1350 DEG C, one time microwave burns
The time of knot is 0.5h, and the temperature of secondary microwave sintering is 1630 DEG C, and the time of secondary microwave sintering is 2h.
Embodiment 3
A kind of cement grinding system special aluminium oxide ceramics ball proposed by the present invention, its raw material include by weight：Oxidation
75 parts of aluminium powder, 5.9 parts of titanium carbonitride, 8.7 parts of yttrium-aluminium-garnet, 5.3 parts of zirconium silicate, 3.9 parts of wollastonite, 3 parts of bentonite, height
8.1 parts of ridge soil, 3 parts of tungsten carbide, 1.3 parts of calcium carbonate, 0.38 part of lithium carbonate, 0.38 part of cerium oxide, 0.2 part of europium oxide, seven oxidations
Four 1.3 parts of terbiums, 0.5 part of samarium oxide, 0.72 part of cuprous oxide, 4.8 parts of cobalt-nickel alloy；
Wherein, the average grain diameter of the titanium carbonitride is 1.5 μm；The kaolin is calcined kaolin, and calcines kaolinite
The granularity of soil is 350 mesh, and iron content is no more than 0.5wt%；In the cobalt-nickel alloy, the weight ratio of cobalt and nickel is 1:5.
A kind of preparation method for cement grinding system special aluminium oxide ceramics ball that the present invention also proposes, including it is following
Step：
S1, by proportioning each raw material is put into ball mill, ball milling 8.6h is obtained after adding water, poly amic acid and polyethylene glycol
To mud, wherein, the weight of poly amic acid is the 1% of each raw material gross weight, and the weight of polyethylene glycol is each raw material gross weight
2%, by slurry dewatering, and it is 1wt% to be dried to water content, is then fed into mist projection granulating tower and is granulated to obtain pellet；
S2, pellet is put into cold isostatic press be molded, wherein the pressure being molded is 80MPa, the time of pressurize is
25min, 16.8h is then dried at 52 DEG C, then carrying out microwave sintering twice in addition microwave agglomerating furnace obtains the cement
Grinding system special aluminium oxide ceramics ball, wherein the temperature of a microwave sintering is 1330 DEG C, the time of a microwave sintering is
0.7h, the temperature of secondary microwave sintering is 1620 DEG C, and the time of secondary microwave sintering is 2.3h.
Embodiment 4
A kind of cement grinding system special aluminium oxide ceramics ball proposed by the present invention, its raw material include by weight：Oxidation
68 parts of aluminium powder, 7.1 parts of titanium carbonitride, 7.6 parts of yttrium-aluminium-garnet, 6.2 parts of zirconium silicate, 2.8 parts of wollastonite, 4 parts of bentonite, height
7.3 parts of ridge soil, 4 parts of tungsten carbide, 0.9 part of calcium carbonate, 0.5 part of lithium carbonate, 0.27 part of cerium oxide, 0.4 part of europium oxide, seven oxidations four
0.8 part of terbium, 0.8 part of samarium oxide, 0.55 part of cuprous oxide, 5.3 parts of cobalt-nickel alloy；
Wherein, the average grain diameter of the titanium carbonitride is 0.8 μm；The kaolin is calcined kaolin, and calcines kaolinite
The granularity of soil is 450 mesh, and iron content is no more than 0.5wt%；In the cobalt-nickel alloy, the weight ratio of cobalt and nickel is 1:2.
A kind of preparation method for cement grinding system special aluminium oxide ceramics ball that the present invention also proposes, including it is following
Step：
S1, by proportioning each raw material is put into ball mill, ball milling 9.2h is obtained after adding water, poly amic acid and polyethylene glycol
To mud, wherein, the weight of poly amic acid is the 0.5% of each raw material gross weight, and the weight of polyethylene glycol is each raw material gross weight
The 1% of amount, by slurry dewatering, and it is 0.7wt% to be dried to water content, is then fed into mist projection granulating tower and is granulated to obtain grain
Material；
S2, pellet is put into cold isostatic press be molded, wherein the pressure being molded is 95MPa, the time of pressurize is
15min, 18.3h is then dried at 47 DEG C, then carrying out microwave sintering twice in addition microwave agglomerating furnace obtains the cement
Grinding system special aluminium oxide ceramics ball, wherein the temperature of a microwave sintering is 1250 DEG C, the time of a microwave sintering is
1.2h, the temperature of secondary microwave sintering is 1580 DEG C, and the time of secondary microwave sintering is 3.2h.
Embodiment 5
A kind of cement grinding system special aluminium oxide ceramics ball proposed by the present invention, its raw material include by weight：Oxidation
70 parts of aluminium powder, 6.5 parts of titanium carbonitride, 8 parts of yttrium-aluminium-garnet, 5.7 parts of zirconium silicate, 3.5 parts of wollastonite, 3.6 parts of bentonite, height
7.5 parts of ridge soil, 3.6 parts of tungsten carbide, 1 part of calcium carbonate, 0.4 part of lithium carbonate, 0.3 part of cerium oxide, 0.28 part of europium oxide, seven oxidations four
1 part of terbium, 0.6 part of samarium oxide, 0.7 part of cuprous oxide, 5 parts of cobalt-nickel alloy.
A kind of preparation method for cement grinding system special aluminium oxide ceramics ball that the present invention also proposes, including it is following
Step：
S1, by proportioning each raw material is put into ball mill, ball milling 8.6h is obtained after adding water, poly amic acid and polyethylene glycol
To mud, wherein, the weight of poly amic acid is the 0.68% of each raw material gross weight, and the weight of polyethylene glycol is each raw material gross weight
The 1.3% of amount, by slurry dewatering, and it is 1wt% to be dried to water content, is then fed into mist projection granulating tower and is granulated to obtain grain
Material；
S2, pellet is put into cold isostatic press be molded, wherein the pressure being molded is 85MPa, the time of pressurize is
20min, 16.8h is then dried at 50 DEG C, then carrying out microwave sintering twice in addition microwave agglomerating furnace obtains the cement
Grinding system special aluminium oxide ceramics ball, wherein the temperature of a microwave sintering is 1300 DEG C, the time of a microwave sintering is
1h, the temperature of secondary microwave sintering is 1600 DEG C, and the time of secondary microwave sintering is 2.8h.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (8)
1. a kind of cement grinding system special aluminium oxide ceramics ball, it is characterised in that its raw material includes by weight：Alumina powder
Last 60-80 parts, titanium carbonitride 5-8 parts, yttrium-aluminium-garnet 5-12 parts, zirconium silicate 2-10 parts, wollastonite 1-5 parts, bentonite 2-5
Part, kaolin 5-15 parts, tungsten carbide 2-5 parts, calcium carbonate 0.5-1.5 parts, lithium carbonate 0.1-0.8 parts, cerium oxide 0.1-0.5 parts,
Europium oxide 0.1-0.5 parts, terbium peroxide 0.5-1.5 parts, samarium oxide 0.2-1 parts, cuprous oxide 0.1-1 parts, cobalt-nickel alloy 3-8
Part；
The preparation method of the cement grinding system special aluminium oxide ceramics ball, comprises the following steps：
S1, by proportioning each raw material is put into ball mill, ball milling 8-10h is obtained after adding water, poly amic acid and polyethylene glycol
Mud, by slurry dewatering, and it is 0.5-1.2wt% to be dried to water content, is then fed into mist projection granulating tower and is granulated to obtain grain
Material；
S2,15-20h is dried at 45-55 DEG C after pellet is molded, then add in microwave agglomerating furnace and carry out microwave sintering twice
The cement grinding system special aluminium oxide ceramics ball is obtained, wherein the temperature of a microwave sintering is 1200-1350 DEG C, once
The time of microwave sintering is 0.5-1.3h, and the temperature of secondary microwave sintering is 1550-1630 DEG C, and the time of secondary microwave sintering is
2-3.5h。
2. cement grinding system special aluminium oxide ceramics ball according to claim 1, it is characterised in that its raw material is by weight
Including：Alumina powder 68-75 parts, titanium carbonitride 5.9-7.1 parts, yttrium-aluminium-garnet 7.6-8.7 parts, zirconium silicate 5.3-6.2 parts,
Wollastonite 2.8-3.9 parts, bentonite 3-4 parts, kaolin 7.3-8.1 parts, tungsten carbide 3-4 parts, calcium carbonate 0.9-1.3 parts, carbonic acid
Lithium 0.38-0.5 parts, cerium oxide 0.27-0.38 parts, europium oxide 0.2-0.4 parts, terbium peroxide 0.8-1.3 parts, samarium oxide 0.5-
0.8 part, cuprous oxide 0.55-0.72 parts, cobalt-nickel alloy 4.8-5.3 parts.
3. cement grinding system special aluminium oxide ceramics ball according to claim 1 or claim 2, it is characterised in that its raw material is by weight
Amount part includes：70 parts of alumina powder, 6.5 parts of titanium carbonitride, 8 parts of yttrium-aluminium-garnet, 5.7 parts of zirconium silicate, 3.5 parts of wollastonite,
3.6 parts of bentonite, 7.5 parts of kaolin, 3.6 parts of tungsten carbide, 1 part of calcium carbonate, 0.4 part of lithium carbonate, 0.3 part of cerium oxide, europium oxide
0.28 part, 1 part of terbium peroxide, 0.6 part of samarium oxide, 0.7 part of cuprous oxide, 5 parts of cobalt-nickel alloy.
4. cement grinding system special aluminium oxide ceramics ball according to claim 1, it is characterised in that the titanium carbonitride
Average grain diameter is 0.8-1.5 μm.
5. cement grinding system special aluminium oxide ceramics ball according to claim 1, it is characterised in that the kaolin is to forge
Kaolin is burnt, and the granularity of calcined kaolin is 350-450 mesh, and iron content is no more than 0.5wt%.
6. cement grinding system special aluminium oxide ceramics ball according to claim 1, it is characterised in that the cobalt-nickel alloy
In, the weight ratio of cobalt and nickel is 1:2-5.
7. cement grinding system special aluminium oxide ceramics ball according to claim 1, it is characterised in that in S1, polypropylene
The weight of acid amide is the 0.5-1% of each raw material gross weight, and the weight of polyethylene glycol is the 1-2% of each raw material gross weight.
8. cement grinding system special aluminium oxide ceramics ball according to claim 1, it is characterised in that in S2, by pellet
It is put into cold isostatic press and is molded, wherein the pressure being molded is 80-95MPa, the time of pressurize is 15-25min.
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