CN109133879A - A kind of aluminium oxide ceramic ball and preparation method thereof - Google Patents
A kind of aluminium oxide ceramic ball and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a kind of aluminium oxide ceramic balls and preparation method thereof.Wherein, aluminium oxide ceramic ball is mainly made of following raw material by weight percentage: Based High Temperature Ceramic Roller waste material 40-60%, alumina powder 30-50%, useless zirconium powder 2-10%, barium carbonate 2-6%, dolomite 0.1-2% and bentonite 1-4%.The present invention is using ceramic rod waste material as primary raw material, a certain amount of alumina powder and useless zirconium powder is added, and using barium carbonate as main flux, so that the aluminium oxide ceramic ball not only has the general character of the common aluminium oxide ceramic ball such as high specific gravity, high-strength (hard) degree, high abrasion degree, also have both the high tenacity intensity that common aluminium oxide ceramic ball is extremely difficult to, suitable for the environment of dry grind high impact forces and high temperature, waste material is not only subjected to resource utilization, also reduces the cost of Ceramic Balls.
Description
Technical field
The present invention relates to Ceramic Balls technical fields more particularly to a kind of aluminium oxide ceramic ball and preparation method thereof.
Background technique
Aluminium oxide ceramic ball is widely used in the industries such as ceramics, glass, enamel, pigment, chemical industry, and being that all kinds of grinding machines are fine crushing sets
Grinding sphere in standby, intensity is high, and density is big, wears away small, corrosion-resistant, strong applicability, and crush efficiency is high.
Existing high-end aluminium oxide ceramic ball is mainly used for grinding ceramic glaze, and the needs such as cement dry grinding are efficient and clean
Wear-resistant material.Wherein, the powder fine grinding of cement industry generally uses abrasion-proof steel ball, wherein containing heavy metals such as oxidation chromium class, meeting
Environment is had adverse effect on, with the raising of road environmental requirement and the progress of technology, in recent years, aluminium oxide wear-resistant ball exists
The dry grinding of cement industry is promoted.But the intensity requirement of the aluminium oxide ceramic ball for cement dry grinding is high, needs higher
Intensity and toughness, to overcome the fragmentation phenomenon being also easy to produce in use.
The preparation method of aluminium oxide ceramic ball includes two kinds at present:
One, using alumina powder as primary raw material, and it is calcined.The aluminium oxide produced by calcined oxide aluminium powder
Ceramic Balls appearance white, product quality is preferable, and wearability is good, but big to resource consumption, high production cost.Wherein, it is being done
The phenomenon that intensity requirement of the occasion of mill, product is high, and common aluminium oxide ceramic ball is also easy to produce fragmentation.
Two, using bauxite as primary raw material, and it is calcined.Pass through the aluminium oxide ceramics of calcining bauxite production
Ball appearance yellow, product quality is relatively slightly worse, and adaptability is poor, and wearability is general, is appropriate only for product appearance quality requirement
Lower grinding occasion, while its resource consumption is big, since bauxite is non-renewable natural resources, impurity content itself
Height, appearance color are poor.
Summary of the invention
Technical problem to be solved by the present invention lies in provide a kind of aluminium oxide ceramic ball, intensity is high, and it is high to be adapted to dry grinding
It hits, and high temperature resistant, at low cost, resource consumption is few.
Technical problem to be solved by the present invention lies in, a kind of preparation method of aluminium oxide ceramic ball is provided, easy to operate,
It is at low cost.
In order to solve the above-mentioned technical problems, the present invention provides a kind of aluminium oxide ceramic balls, mainly by below with weight
The raw material of percentages is made:
Based High Temperature Ceramic Roller waste material 40-60%；
Alumina powder 30-50%；
Useless zirconium powder 2-10%；
Barium carbonate 2-6%；
Dolomite 0.1-2%；
Bentonite 1-4%；
Wherein, the Based High Temperature Ceramic Roller waste material includes following components:
Aluminium oxide 60-80%；
Silica 15-25%；
Zirconium oxide 2-6%；
Iron oxide 0.2-0.8%；
Calcium oxide 0.01-0.1%；
Magnesia 0.01-0.1%；
Sodium oxide molybdena 0.1-0.9%；
Potassium oxide 0.1-0.5%；
Surplus is impurity.
As an improvement of the above scheme, it is mainly made of following raw material by weight percentage:
Based High Temperature Ceramic Roller waste material 45-55%；
Alumina powder 35-45%；
Useless zirconium powder 3-6%；
Barium carbonate 3-5%；
Dolomite 0.5-1.5%；
Bentonite 1-2%.
As an improvement of the above scheme, the Based High Temperature Ceramic Roller waste material includes following components:
Aluminium oxide 65-80%；
Silica 15-25%；
Zirconium oxide 2-6%；
Iron oxide 0.2-0.8%；
Calcium oxide 0.01-0.1%；
Magnesia 0.01-0.1%；
Sodium oxide molybdena 0.1-0.9%；
Potassium oxide 0.1-0.5%；
Surplus is impurity.
As an improvement of the above scheme, the Based High Temperature Ceramic Roller waste material includes following components:
Aluminium oxide 65-75%；
Silica 17-22%；
Zirconium oxide 2-5%；
Iron oxide 0.3-0.6%；
Calcium oxide 0.03-0.08%；
Magnesia 0.03-0.08%；
Sodium oxide molybdena 0.3-0.7%；
Potassium oxide 0.2-0.4%；
Surplus is impurity.
As an improvement of the above scheme, the useless zirconium powder includes following components:
Aluminium oxide 0.1-1%；
Silica 0.1-0.5%；
Zirconium oxide 60-%；
Iron oxide 0.03-0.15%；
Calcium oxide 1-5%；
Magnesia 0.1-0.8%；
Sodium oxide molybdena 0.01-0.05%；
Potassium oxide 0.01-0.05%；
Yttrium oxide 10-22%；
Titanium oxide 0.1-1%；
Surplus is impurity.
As an improvement of the above scheme, the useless zirconium powder includes following components:
Aluminium oxide 0.3-0.5%；
Silica 0.1-0.3%；
Zirconium oxide 66-80%；
Iron oxide 0.06-0.12%；
Calcium oxide 1.5-4%；
Magnesia 0.2-0.6%；
Sodium oxide molybdena 0.01-0.04%；
Potassium oxide 0.01-0.04%；
Yttrium oxide 13-20%；
Titanium oxide 0.2-0.7%；
Surplus is impurity.
As an improvement of the above scheme, the aluminium oxide ceramic ball includes following components:
Aluminium oxide 65-80%；
Silica 8-17%；
Zirconium oxide 3-10%；
Iron oxide 0.1-1%；
Barium monoxide 2-5%
Alkali metal 0.7-2%；
Alkaline-earth metal 1.8-3.4%；
Titanium oxide 0.1-0.5%.
Correspondingly, the present invention also provides the preparation methods of above-mentioned aluminium oxide ceramic ball characterized by comprising
Raw material needed for weighing manufacture aluminium oxide ceramic ball；
The raw material is put into ball milling in ball mill and carries out 40~60h of grinding, obtaining grind size is D50≤5 μm, moisture
Content is the slurry of 25-40%, and the mobility of the slurry was controlled at 20-40 seconds；
The slurry is removed into iron by iron remover stirring, obtains the mud by preliminary treatment；
Slurry transportation Jing Guo preliminary treatment is subjected to powder by spraying processing into spray drying tower, is obtained for manufacturing oxygen
Change the powder of aluminium Ceramic Balls；
Powder is put into nodulizer and is rolled onto porcelain ball；
Porcelain ball is placed in kiln and is fired, firing temperature is 1300-1500 DEG C, obtains aluminium oxide ceramic ball.
As an improvement of the above scheme, it is -97% that the partial size of the powder, which is less than or equal to the accounting of 100 mesh,.
As an improvement of the above scheme, it is 5-7% that the water content of the powder, which is range,.
The invention has the following beneficial effects:
1, a certain amount of alumina powder and useless zirconium is added using Based High Temperature Ceramic Roller waste material as primary raw material in the present invention
Powder, and be suitable for as main flux so that aluminium oxide ceramic ball has high intensity, high abrasion degree and toughness using barium carbonate
Waste material is not only carried out resource utilization, also reduces the cost of Ceramic Balls by the environment for the high impact forces and high temperature of dry grinding.
2, the aluminium oxide ceramic ball abrasion that the present invention is generated using Based High Temperature Ceramic Roller waste material as primary raw material are low,
Whiteness is high, applied widely, cannot be only used for grinding high-end product, is also applied for the product of grinding low side.
3, useless zirconium powder is added in the present invention in refractory ceramics club waste material, improves the content of zirconium in formula, because of the zirconium powder that gives up
Main ingredient be yttrium oxide and zirconium oxide, specific gravity, the intensity of aluminium oxide ceramic ball are improved using the toughening performance of zirconium oxide
And wearability.
Detailed description of the invention
Fig. 1 is a kind of production flow diagram of aluminium oxide ceramic ball of the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, the present invention is made into one below in conjunction with attached drawing
Step ground detailed description.
The present invention provides a kind of aluminium oxide ceramic balls, are mainly made of following raw material by weight percentage:
Based High Temperature Ceramic Roller waste material 40-60%；
Alumina powder 30-50%；
Useless zirconium powder 2-10%；
Barium carbonate 2-6%；
Dolomite 0.1-2%；
Bentonite 1-4%.
Existing for grinding the porcelain ball of high-end product, primary raw material is alumina powder, and accounting is up to 80%, and oxygen
The price for changing aluminium powder is high, in addition, the abrasion of the existing porcelain ball for grinding high-end product are higher, to further increase porcelain ball
Cost.And it is used to grind the porcelain ball of low-end product, and primary raw material is bauxite, using porcelain ball made of bauxite, although
Cost is lower than porcelain ball made of alumina powder, but appearance is that yellow can allow product surface to turn yellow in abrasive product, influences to produce
The quality of product, and using porcelain ball made of bauxite, abrasion are high, and hardness is low, therefore can only grind the product of low side.
Using Based High Temperature Ceramic Roller waste material, as primary raw material, a certain amount of alumina powder and useless zirconium powder is added in the present invention,
And using barium carbonate as main flux, so that aluminium oxide ceramic ball has high intensity, high abrasion degree and toughness, it is suitable for dry grinding
Waste material is not only carried out resource utilization, also reduces the cost of Ceramic Balls by the environment of high impact forces and high temperature.
In addition, the aluminium oxide ceramic ball abrasion that the present invention is generated using Based High Temperature Ceramic Roller waste material as primary raw material
Low, whiteness is high, applied widely, cannot be only used for grinding high-end product, is also applied for the product of grinding low side.
Since the corundum phase in roller rod waste material mutually has the characteristics that high intensity, high rigidity, high abrasion with zirconium oxide, by adding
Add alumina powder, zirconium oxide waste material, selected flux raw material produces the aluminium oxide ceramic ball of high quality.Aluminium oxide of the invention
Ceramic Balls specific gravity with higher and very high intensity, especially suitable for the dry grinding such as cement fine grinding field.
The content of the zirconium of aluminium oxide ceramic ball of the present invention can be improved in zirconium oxide waste material, using the toughening performance of zirconium oxide,
To improve the ductile strength and impact resistance of aluminium oxide ceramic ball.Therefore, aluminium oxide ceramic ball of the invention ratio is by aoxidizing
Ordinary porcelain ball made of aluminium powder is more suitable for the bigger dry grinding environment of impact force, and for grinding high-end product, but cost ratio is by oxygen
It is low to change porcelain ball made of aluminium powder.
Preferably, aluminium oxide ceramic ball of the invention is mainly made of following raw material by weight percentage: high temperature
Ceramic rod waste material 45-55%, alumina powder 35-45%, useless zirconium powder 3-6%, barium carbonate 3-5%, dolomite 0.5-1.5% and
Bentonite 1-2%.
Wherein, the Based High Temperature Ceramic Roller waste material includes following components: aluminium oxide 60-80%, silica 15-25%, oxygen
Change zirconium 2-6%, iron oxide 0.2-0.8%, calcium oxide 0.01-0.1%, magnesia 0.01-0.1%, sodium oxide molybdena 0.1-0.9% and
Potassium oxide 0.1-0.5%, surplus are impurity.
Based High Temperature Ceramic Roller waste material refers to the clout of production Based High Temperature Ceramic Roller raw material, in general, production Based High Temperature Ceramic Roller
Primary raw material include kaolin, fire clay, fire resisting corundum aggregate and α-Al2O3Deng.Based High Temperature Ceramic Roller raw material of the invention
For making the Based High Temperature Ceramic Roller for being applied to roller way kiln, play the role of transmission and load-bearing.Therefore, with existing wear-resisting pottery
Porcelain raw material is compared, containing the component for being improved roller stick abrasion resistance and hardness, such as zirconium oxide in Based High Temperature Ceramic Roller waste material of the invention.
In addition, the essential mineral composition of ceramic rod waste material of the present invention is corundum phase, mullite phase and zirconium oxide phase, scientific set
High intensity, high rigidity, the crystal phase of high tenacity, are advanced wear-resistant material, less in Based High Temperature Ceramic Roller waste material to contain glass
Equal non-abrasive impurity raw material, for reasons of cost, high-quality emergy content is lower for other existing ceramic rod waste materials, oxidation
The content of zirconium also will obviously be lacked, it is difficult to which satisfaction prepares the requirement of wearable ceramic ball.Secondly, Based High Temperature Ceramic Roller waste material of the invention
In be suitable for making the aluminium oxide (corundum phase) of aluminium oxide ceramic ball, and Based High Temperature Ceramic Roller of the invention containing 60-80%
The component proportion of waste material is being calculated by science, is applicable not only to production Based High Temperature Ceramic Roller and is also suitable through overtesting
In production aluminium oxide ceramic ball.Existing Based High Temperature Ceramic Roller raw material, calcination temperature want 1550 DEG C or more, are otherwise difficult to burn
Knot.And the calcination temperature of aluminium oxide ceramic ball of the invention only has 1300-1500 DEG C.
Preferably, the Based High Temperature Ceramic Roller waste material includes following components: aluminium oxide 65-75%, silica 17-22%,
Zirconium oxide 2-5%, iron oxide 0.3-0.6%, calcium oxide 0.03-0.08%, magnesia 0.03-0.08%, sodium oxide molybdena 0.3-
0.7% and potassium oxide 0.2-0.4%, surplus are impurity.
More preferably, the Based High Temperature Ceramic Roller waste material includes following components: aluminium oxide 74.8%, silica 19.4%, oxygen
Change zirconium 4.2%, iron oxide 0.43%, calcium oxide 0.05%, magnesia 0.05%, sodium oxide molybdena 0.51% and potassium oxide 0.26%,
Surplus is impurity.
The useless zirconium powder includes following components: aluminium oxide 0.1-1%, silica 0.1-0.5%, zirconium oxide 60-%, oxidation
Iron 0.03-0.15%, calcium oxide 1-5%, magnesia 0.1-0.8%, sodium oxide molybdena 0.01-0.05%, potassium oxide 0.01-
0.05%, yttrium oxide 10-22% and titanium oxide 0.1-1%, surplus are impurity.
Useless zirconium powder comes from the abradant obsolete material of jewelry industry.
Useless zirconium powder is added in the present invention in ceramic rod waste material, improves the content of zirconium in formula, because of the main of zirconium powder that give up
Composition is zirconium oxide and yttrium oxide, and ductile strength and the shock resistance of aluminium oxide ceramic ball are improved using the toughening performance of zirconium oxide
Ability, at the same it is also helpful to the specific gravity of raising product, wearability.
Calcining α is added mainly using the leftover bits in several industrial productions as main raw material(s) in the present invention
Alumina powder gives full play to the strong point of respective raw material itself with the proportion of science, produces that wear-resisting property is good, intensity is high, tough
Property is good, and adaptation range is wide, the high abrasion aluminium oxide ceramic ball containing certain zirconium oxide composition.
Preferably, the useless zirconium powder includes following components: aluminium oxide 0.3-0.5%, silica 0.1-0.3%, zirconium oxide
66-80%, iron oxide 0.06-0.12%, calcium oxide 1.5-4%, magnesia 0.2-0.6%, sodium oxide molybdena 0.01-0.04%, oxygen
Changing potassium 0.01-0.04%, yttrium oxide 13-20% and titanium oxide 0.2-0.7%, surplus is impurity.
More preferably, the useless zirconium powder includes following components: aluminium oxide 0.52%, silica 0.2%, zirconium oxide 71%, oxygen
Change iron 0.09%, calcium oxide 2.37%, magnesia 0.37%, sodium oxide molybdena 0.02%, potassium oxide 0.03%, yttrium oxide 16.92%
With titanium oxide 0.5%, surplus is impurity.
It should be noted that the aluminium oxide ceramic ball made of above-mentioned raw materials, including following components:
Aluminium oxide 65-80%；
Silica 8-17%；
Zirconium oxide 3-10%；
Iron oxide 0.1-1%；
Barium monoxide 2-5%
Alkali metal 0.7-2%；
Alkaline-earth metal 1.8-3.4%；
Titanium oxide 0.1-0.5%.
It should be noted that Based High Temperature Ceramic Roller waste material, useless zirconium powder, alumina powder, dolomite and bentonite are as oxidation
The raw material of aluminium Ceramic Balls, barium carbonate promote various raw materials to be reacted as main flux, wherein aluminium oxide, silica, oxygen
Change zirconium, can be used to be fabricated to principal crystalline phase is mullite phase, just the high abrasion porcelain ball with phase, zirconium oxide crystal phase.And titanium oxide
The lattice phase of aluminium oxide ceramic ball can be stablized, alkali and alkaline earth metal ions can increase the agglutinating property of Ceramic Balls.
Aluminium oxide is added mainly using the leftover bits in several industrial productions as main raw material(s) in the present invention
Powder plays the strong point of respective raw material itself, and it is good to produce wear-resisting property, and intensity is high, and adaptation range is wide, containing certain zirconium oxide at
The aluminium oxide ceramic ball of part.
Correspondingly, the present invention also provides a kind of preparation method of aluminium oxide ceramic ball, Fig. 1 is preparation method flow chart,
The following steps are included:
S101: raw material needed for weighing manufacture aluminium oxide ceramic ball.
The formula of primary raw material needed for the manufacture aluminium oxide ceramic ball is as follows:
Based High Temperature Ceramic Roller waste material 40-60%；
Alumina powder 30-50%；
Useless zirconium powder 2-10%；
Barium carbonate 2-6%；
Dolomite 0.1-2%；
Bentonite 1-4%.
A certain amount of alumina powder and useless zirconium powder is added as primary raw material using ceramic rod waste material in the present invention, and adopts
It uses barium carbonate as main flux, so that aluminium oxide ceramic ball has high intensity, high abrasion degree and toughness, is suitable for dry grinding Gao Chong
The environment of power and high temperature is hit, waste material is not only subjected to resource utilization, also reduces the cost of Ceramic Balls.
In addition, the aluminium oxide ceramic ball abrasion that the present invention is generated using Based High Temperature Ceramic Roller waste material as primary raw material
Low, whiteness is high, applied widely, cannot be only used for grinding high-end product, is also applied for the product of grinding low side.
Since the corundum phase in high temperature roller rod waste material mutually has the characteristics of high intensity, high abrasion with zirconium oxide, pass through addition
Alumina powder, zirconium oxide waste material, selected flux raw material produce the aluminium oxide ceramic ball of high quality.Aluminium oxide pottery of the invention
Porcelain ball specific gravity with higher, high tenacity intensity and very high hardness, especially suitable for the dry grinding such as cement fine grinding field.
The content of the zirconium of aluminium oxide ceramic ball of the present invention can be improved in zirconium oxide waste material, using the toughening performance of zirconium oxide,
To ductile strength, wearability and the shock resistance of extracting aluminum oxide Ceramic Balls.Therefore, aluminium oxide ceramic ball of the invention can replace
Generation porcelain ball made of alumina powder, for grinding high-end product, but cost ratio porcelain ball made of alumina powder is low.
Preferably, aluminium oxide ceramic ball of the invention is mainly made of following raw material by weight percentage: high temperature
Ceramic rod waste material 45-55%, alumina powder 35-45%, useless zirconium powder 3-6%, barium carbonate 3-5%, dolomite 0.5-1.5% and
Bentonite 1-2%.
Wherein, the Based High Temperature Ceramic Roller waste material includes following components: aluminium oxide 60-80%, silica 15-25%, oxygen
Change zirconium 2-6%, iron oxide 0.2-0.8%, calcium oxide 0.01-0.1%, magnesia 0.01-0.1%, sodium oxide molybdena 0.1-0.9% and
Potassium oxide 0.1-0.5%, surplus are impurity.
Based High Temperature Ceramic Roller waste material refers to the clout of production ceramic rod raw material, in general, the master of production Based High Temperature Ceramic Roller
Wanting raw material includes kaolin, fire clay, fire resisting corundum aggregate and α-Al2O3Deng.Based High Temperature Ceramic Roller raw material of the invention is used for
Production is applied to the Based High Temperature Ceramic Roller of roller way kiln, plays the role of transmission and load-bearing.Therefore, former with existing wear-resistant ceramic
Material is compared, containing the component for being improved roller stick abrasion resistance and hardness, such as zirconium oxide in Based High Temperature Ceramic Roller waste material of the invention.This
Outside, the essential mineral composition of Based High Temperature Ceramic Roller waste material of the present invention is corundum phase and zirconium oxide phase, belongs to high-intensitive, high rigidity
Crystal phase, be advanced wear-resistant material, it is less containing the non-abrasive impurity raw material such as glass phase in Based High Temperature Ceramic Roller waste material, it is existing
For reasons of cost, the content of alumina powder and zirconium oxide is seldom, it is difficult to be used to prepare wear-resisting for other ceramic rod waste materials having
Ceramic Balls.Secondly, the oxygen for being suitable for making aluminium oxide ceramic ball in Based High Temperature Ceramic Roller waste material of the invention containing 60-80%
Change aluminium, and the component proportion of Based High Temperature Ceramic Roller waste material of the invention is being calculated by science, is applicable not only to make
Based High Temperature Ceramic Roller is also applied for production aluminium oxide ceramic ball through overtesting.Existing Based High Temperature Ceramic Roller raw material, calcining
Temperature wants 1550 DEG C or more, is otherwise difficult to be sintered.And the calcination temperature of aluminium oxide ceramic ball of the invention only has 1300-1500
℃。
Preferably, the Based High Temperature Ceramic Roller waste material includes following components: aluminium oxide 65-75%, silica 17-22%,
Zirconium oxide 2-5%, iron oxide 0.3-0.6%, calcium oxide 0.03-0.08%, magnesia 0.03-0.08%, sodium oxide molybdena 0.3-
0.7% and potassium oxide 0.2-0.4%, surplus are impurity.
More preferably, the Based High Temperature Ceramic Roller waste material includes following components: aluminium oxide 74.8%, silica 19.4%, oxygen
Change zirconium 4.2%, iron oxide 0.43%, calcium oxide 0.05%, magnesia 0.05%, sodium oxide molybdena 0.51% and potassium oxide 0.26%,
Surplus is impurity.
The useless zirconium powder includes following components: aluminium oxide 0.1-1%, silica 0.1-0.5%, zirconium oxide 60-%, oxidation
Iron 0.03-0.15%, calcium oxide 1-5%, magnesia 0.1-0.8%, sodium oxide molybdena 0.01-0.05%, potassium oxide 0.01-
0.05%, yttrium oxide 10-22% and titanium oxide 0.1-1%, surplus are impurity.
Useless zirconium powder comes from the abradant obsolete material of jewelry industry.
Useless zirconium powder is added in the present invention in refractory ceramics club waste material, improves the content of zirconium in formula, because of the zirconium powder that gives up
Main ingredient is yttrium oxide and zirconium oxide, improved using the toughening performance of zirconium oxide the specific gravity of aluminium oxide ceramic ball, intensity and
Wearability.
Calcining α is added mainly using the leftover bits in several industrial productions as main raw material(s) in the present invention
Alumina powder plays the strong point of respective raw material itself, and it is good to produce wear-resisting property, and intensity is high, and adaptation range is wide, contains certain oxygen
Change the high abrasion aluminium oxide ceramic ball of zirconium composition.
Preferably, the useless zirconium powder includes following components: aluminium oxide 0.3-0.5%, silica 0.1-0.3%, zirconium oxide
66-80%, iron oxide 0.06-0.12%, calcium oxide 1.5-4%, magnesia 0.2-0.6%, sodium oxide molybdena 0.01-0.04%, oxygen
Changing potassium 0.01-0.04%, yttrium oxide 13-20% and titanium oxide 0.2-0.7%, surplus is impurity.
More preferably, the useless zirconium powder includes following components: aluminium oxide 0.52%, silica 0.2%, zirconium oxide 71%, oxygen
Change iron 0.09%, calcium oxide 2.37%, magnesia 0.37%, sodium oxide molybdena 0.02%, potassium oxide 0.03%, yttrium oxide 16.92%
With titanium oxide 0.5%, surplus is impurity.
It should be noted that the aluminium oxide ceramic ball made of above-mentioned raw materials, including following components:
Aluminium oxide 65-80%；
Silica 8-17%；
Zirconium oxide 3-10%；
Iron oxide 0.1-1%；
Barium monoxide 2-5%
Alkali metal 0.7-2%；
Alkaline-earth metal 1.8-3.4%；
Titanium oxide 0.1-0.5%.
It should be noted that Based High Temperature Ceramic Roller waste material, useless zirconium powder, alumina powder, dolomite and bentonite are as oxidation
The raw material of aluminium Ceramic Balls, barium carbonate promote various raw materials to be reacted as main flux, wherein aluminium oxide, silica, oxygen
Change zirconium, can be used to be fabricated to the high abrasion porcelain ball that principal crystalline phase is corundum phase, mullite phase and zirconium oxide crystal phase.And titanium oxide
The lattice phase of aluminium oxide ceramic ball can be stablized, alkali and alkaline earth metal ions can increase the agglutinating property of Ceramic Balls.
Aluminium oxide is added mainly using the leftover bits in several industrial productions as main raw material(s) in the present invention
Powder plays the strong point of respective raw material itself, and it is good to produce wear-resisting property, and intensity is high, and adaptation range is wide, containing certain zirconium oxide at
The aluminium oxide ceramic ball of part.
S102: being put into ball milling in ball mill for the raw material and carry out 40~60h of grinding, and obtaining grind size is the μ of D50≤5
M, moisture content are the slurry of 25-40%, and the mobility of the slurry was controlled at 20-40 seconds.
Since primary raw material of the invention is refractory ceramics club waste material, different ingredient and impurity are contained in the inside, in order to
Guarantee grinding efficiency and size performance, should prevent slurry from settling, guarantees the mobility of slurry, the water of slurry of the invention again
Point content is even more important.Preferably, the moisture content of slurry is 30-35%.
Preferably, the raw material is put into ball milling 55h in ball mill, obtains grind size Wei≤4 μm, the stream of the slurry
Dynamic property control was at 35 seconds or so.
S103: the slurry is removed into iron by iron remover stirring, obtains the mud by preliminary treatment.
Han Tie Liang≤1% of the mud by preliminary treatment.
Preferably, Han Tie Liang≤0.3% of the mud by preliminary treatment.
By sizing material iron removing impurity, be conducive to keep its good sphericity and appearance when alumina ball blank forming.
S104: the slurry transportation Jing Guo preliminary treatment is subjected to powder by spraying processing into spray drying tower, is used for
Manufacture the powder of aluminium oxide ceramic ball, wherein the accounting that the partial size of the powder is less than or equal to 100 mesh is -97%.
Preferably, it is less than 2% that the particle size range of powder, which is the mesh of D < 40, and the mesh of 40 Mu≤D≤60 is 35-50%, 60 mesh < D
≤ 80 mesh are 25-40%, and 100 mesh < D is less than 15%.
The moisture content range of the powder is 5-7%.
Using powder by spraying processing technology, mud is made to the powder of different-grain diameter, such powder is being rolled onto porcelain ball
When, the bulk density of powder is higher, it is easier to be uniformly mixed with other raw materials, resulting product is smooth, good sphericity, size essence
Degree is high, and difference is minimum between ball and ball, and inherent quality is also guaranteed.
When powder is rolled onto porcelain ball in spherical machine, by controlling the accounting of different-grain diameter powder, so that the specific gravity of porcelain ball
Control is in 3.4-3.6g/cm3In range, the porcelain ball of different specific weight, different, the of the invention aluminium oxide ceramic ball in the field of application
It is mainly used in dry grinding field, meanwhile, the performance of aluminium oxide ceramic ball of the invention is also applicable in grinding high-end product field.
In addition, by the accounting of control different-grain diameter powder, so that porcelain ball is more uniformly stressed on surface in rolling, thus
Form that high-quality, size is accurate, porcelain ball of smooth outer surface.
Further, by the accounting of control different-grain diameter powder, yields of the porcelain ball in rolling molding can be improved,
Reduce the breakage rate of porcelain ball.Due to the binding force and porosity difference between different-grain diameter powder, in rolling molding, different grains
The powder of diameter can be preferably combined together.
S105: powder is put into nodulizer and is rolled onto porcelain ball.
S106: porcelain ball being placed in kiln and is fired, and firing temperature is 1300-1500 DEG C, obtains aluminium oxide ceramics
Ball.
Porcelain ball is before entering kiln kiln roasting, and water point is containing amount≤1%, firing soaking time of the porcelain ball in kiln
It is 1~8 hour.
For aluminium oxide ceramic ball, the firing temperature of kiln is 1470-1480 DEG C.
The present invention is illustrated with specific embodiment below
Embodiment 1
40% Based High Temperature Ceramic Roller waste material of raw material is weighed, 46% alumina powder, 6% useless zirconium powder, 4% barium carbonate, 0.8% is white
Marble, 3.2% bentonite；
The raw material is put into ball milling 40h in ball mill, obtains grind size Wei≤5 μm, the slurry that moisture content is 30%
The mobility of material, the slurry is controlled at 30 seconds or so；
The slurry is removed into iron by iron remover stirring, obtains the mud by preliminary treatment；
Slurry transportation Jing Guo preliminary treatment is subjected to powder by spraying processing into spray drying tower, is obtained for manufacturing oxygen
Change the powder of aluminium Ceramic Balls, wherein the particle size range of powder is that the mesh of D>40 is 1%, and the mesh of 40 Mu≤D≤60 is 37%, 60 mesh<D
≤ 80 mesh are 38%, and 100 mesh < D is 14%；
Powder is put into nodulizer and is rolled onto porcelain ball；
Porcelain ball is placed in kiln and is fired, firing temperature is 1450-1480 DEG C, obtains aluminium oxide ceramic ball.
Embodiment 2
46% Based High Temperature Ceramic Roller waste material of raw material is weighed, 42% alumina powder, 8% useless zirconium powder, 2% barium carbonate, 1.5% is white
Marble, 0.5% bentonite；
The raw material is put into ball milling 55h in ball mill, obtains grind size Wei≤4 μm, the slurry that moisture content is 35%
The mobility of material, the slurry is controlled at 35 seconds or so；
The slurry is removed into iron by iron remover stirring, obtains the mud by preliminary treatment；
Slurry transportation Jing Guo preliminary treatment is subjected to powder by spraying processing into spray drying tower, is obtained for manufacturing oxygen
Change the powder of aluminium Ceramic Balls, wherein the particle size range of powder is that the mesh of D>40 is 0.5%, and the mesh of 40 Mu≤D≤60 is 42%, 60 mesh<
The mesh of D≤80 is 33%, and 100 mesh < D is 10%；
Powder is put into nodulizer and is rolled onto porcelain ball；
Porcelain ball is placed in kiln and is fired, firing temperature is 1450-1480 DEG C, obtains aluminium oxide ceramic ball.
Embodiment 3
Weighing 48% Based High Temperature Ceramic Roller waste material of raw material, 38% alumina powder, 5% useless zirconium powder, 3.5% barium carbonate, 1.8%
Dolomite, 3.7% bentonite；
The raw material is put into ball milling 60h in ball mill, obtains grind size Wei≤5 μm, the slurry that moisture content is 40%
The mobility of material, the slurry is controlled at 40 seconds or so；
The slurry is removed into iron by iron remover stirring, obtains the mud by preliminary treatment；
Slurry transportation Jing Guo preliminary treatment is subjected to powder by spraying processing into spray drying tower, is obtained for manufacturing oxygen
Change the powder of aluminium Ceramic Balls, wherein the particle size range of powder is that the mesh of D>40 is 0.8%, and the mesh of 40 Mu≤D≤60 is 45%, 60 mesh<
The mesh of D≤80 is 30%, and 100 mesh < D is 8%；
Powder is put into nodulizer and is rolled onto porcelain ball；
Porcelain ball is placed in kiln and is fired, firing temperature is 1450-1480 DEG C, obtains aluminium oxide ceramic ball.
Embodiment 4
50% Based High Temperature Ceramic Roller waste material of raw material is weighed, 41% alumina powder, 4% useless zirconium powder, 4% barium carbonate, 0.8% is white
Marble, 0.2% bentonite；
The raw material is put into ball milling 40h in ball mill, obtains grind size Wei≤5 μm, the slurry that moisture content is 30%
The mobility of material, the slurry is controlled at 30 seconds or so；
The slurry is removed into iron by iron remover stirring, obtains the mud by preliminary treatment；
Slurry transportation Jing Guo preliminary treatment is subjected to powder by spraying processing into spray drying tower, is obtained for manufacturing oxygen
Change the powder of aluminium Ceramic Balls, wherein the particle size range of powder is that the mesh of D>40 is 1.5%, and the mesh of 40 Mu≤D≤60 is 48%, 60 mesh<
The mesh of D≤80 is 27%, and 100 mesh < D is 5%；
Powder is put into nodulizer and is rolled onto porcelain ball；
Porcelain ball is placed in kiln and is fired, firing temperature is 1450-1480 DEG C, obtains aluminium oxide ceramic ball.
Embodiment 5
58% Based High Temperature Ceramic Roller waste material of raw material is weighed, 32% alumina powder, 2% useless zirconium powder, 5% barium carbonate, 0.2% is white
Marble, 2.8% bentonite；
The raw material is put into ball milling 45h in ball mill, obtains grind size Wei≤4 μm, the slurry that moisture content is 38%
The mobility of material, the slurry is controlled at 40 seconds or so；
The slurry is removed into iron by iron remover stirring, obtains the mud by preliminary treatment；
Slurry transportation Jing Guo preliminary treatment is subjected to powder by spraying processing into spray drying tower, is obtained for manufacturing oxygen
Change the powder of aluminium Ceramic Balls, wherein the particle size range of powder is that the mesh of D>40 is 1.8%, and the mesh of 40 Mu≤D≤60 is 40%, 60 mesh<
The mesh of D≤80 is 35%, and 100 mesh < D is 11%；
Powder is put into nodulizer and is rolled onto porcelain ball；
Porcelain ball is placed in kiln and is fired, firing temperature is 1450-1480 DEG C, obtains aluminium oxide ceramic ball.
Comparative example 1
84.69% Based High Temperature Ceramic Roller waste material of raw material is weighed, 12% aluminium oxide, 1% kaolin, 1% barium carbonate, 1% is white
Marble；
The raw material is put into ball milling 50h in ball mill, obtains grind size Wei≤5 μm, the slurry that moisture content is 30%
The mobility of material, the slurry is controlled at 30 seconds or so；
The slurry is removed into iron by iron remover stirring, obtains the mud by preliminary treatment；
Slurry transportation Jing Guo preliminary treatment is subjected to powder by spraying processing into spray drying tower, is obtained for manufacturing oxygen
Change the powder of aluminium Ceramic Balls；
Powder is put into nodulizer and is rolled onto porcelain ball；
Porcelain ball is placed in kiln and is fired, firing temperature is 1200-1500 DEG C, obtains aluminium oxide ceramic ball.
Comparative example 2
52 parts of alumina powder of weighing, 37 parts of commercial alumina powder, 3 parts of kaolin, 3 parts of flint clay clinker, 2 parts of diopside,
1.5 parts of talcum, 1.5 parts of dolomite；
The raw material is put into ball milling 40h in ball mill, obtains grind size Wei≤5 μm, the slurry that moisture content is 30%
The mobility of material, the slurry is controlled at 30 seconds or so；
The slurry is removed into iron by iron remover stirring, obtains the mud by preliminary treatment；
Slurry transportation Jing Guo preliminary treatment is subjected to powder by spraying processing into spray drying tower, is obtained for manufacturing oxygen
Powder is crossed in the double-deck roto-siofter 40 mesh and 140 meshes, obtains the powder between 40-140 mesh by the powder for changing aluminium Ceramic Balls；
Powder after sieving is put into nodulizer and is rolled onto porcelain ball；
Porcelain ball is placed in kiln and is fired, firing temperature is 1200-1500 DEG C, obtains aluminium oxide ceramic ball.
Comparative example 3
Aluminium oxide ceramic ball is made using bauxite.
Table one is the diameter comparison of porcelain ball made of embodiment 1-5 and comparative example 1 and 2, wherein the size of porcelain ball is identical,
The diameter of porcelain ball is measured using measuring tools such as micrometers, every group of data take both direction (the i.e. horizontal direction of the same porcelain ball
And vertical direction) measured value, unit be millimeter (mm).
As shown in Table 1, the present invention implements the size variance minimum of the porcelain ball of 1-5, represents its size and deviates equal extent value most
Small, the accuracy consistency of size is best, sphericity is preferably also.
Aluminium oxide ceramic ball made of embodiment 1-5 and comparative example 1-3 is tested, as a result shown in table two:
As shown in Table 2, the present invention implements the specific gravity of the aluminium oxide ceramic ball of 1-5 up to 3.57g/cm3, whiteness is on 76
Under, wear-resisting property is good, and equivalent is worn away less than 0.005%, is higher than building material industry standard 0.02%, in addition, compression strength is greater than
35Mpa。
Above disclosed is only a preferred embodiment of the present invention, cannot limit the power of the present invention with this certainly
Sharp range, therefore equivalent changes made in accordance with the claims of the present invention, are still within the scope of the present invention.
Claims (10)
1. a kind of aluminium oxide ceramic ball, which is characterized in that it is mainly made of following raw material by weight percentage:
Wherein, the Based High Temperature Ceramic Roller waste material includes following components:
2. aluminium oxide ceramic ball as described in claim 1, which is characterized in that it is mainly by following original by weight percentage
Material is made:
3. aluminium oxide ceramic ball as described in claim 1, which is characterized in that the Based High Temperature Ceramic Roller waste material includes with the following group
Point:
4. aluminium oxide ceramic ball as claimed in claim 3, which is characterized in that the Based High Temperature Ceramic Roller waste material includes with the following group
Point:
5. aluminium oxide ceramic ball as described in claim 1, which is characterized in that the useless zirconium powder includes following components:
6. aluminium oxide ceramic ball as claimed in claim 5, which is characterized in that the useless zirconium powder includes following components:
7. aluminium oxide ceramic ball as described in claim 1, which is characterized in that the aluminium oxide ceramic ball includes following components:
8. a kind of preparation method of such as described in any item aluminium oxide ceramic balls of claim 1-7 characterized by comprising
Raw material needed for weighing manufacture aluminium oxide ceramic ball；
The raw material is put into ball milling in ball mill and carries out 40~60h of grinding, obtaining grind size is D50≤5 μm, moisture content
Mobility for the slurry of 25-40%, the slurry was controlled at 20-40 seconds；
The slurry is removed into iron by iron remover stirring, obtains the mud by preliminary treatment；
Slurry transportation Jing Guo preliminary treatment is subjected to powder by spraying processing into spray drying tower, is obtained for manufacturing aluminium oxide
The powder of Ceramic Balls；
Powder is put into nodulizer and is rolled onto porcelain ball；
Porcelain ball is placed in kiln and is fired, firing temperature is 1300-1500 DEG C, obtains aluminium oxide ceramic ball.
9. the preparation method of aluminium oxide ceramic ball as claimed in claim 8, which is characterized in that the partial size of the powder be less than etc.
In 100 mesh accounting be -97%.
10. the preparation method of aluminium oxide ceramic ball as claimed in claim 8, which is characterized in that the water content of the powder is
Range is 5-7%.
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