CN1793007A - Process for preparing aluminium oxide wear-resisting porcelain ball by industrial mud of aluminium section bar plant and preparation process thereof - Google Patents
Process for preparing aluminium oxide wear-resisting porcelain ball by industrial mud of aluminium section bar plant and preparation process thereof Download PDFInfo
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- CN1793007A CN1793007A CN 200510019989 CN200510019989A CN1793007A CN 1793007 A CN1793007 A CN 1793007A CN 200510019989 CN200510019989 CN 200510019989 CN 200510019989 A CN200510019989 A CN 200510019989A CN 1793007 A CN1793007 A CN 1793007A
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- porcelain ball
- resisting porcelain
- waste aluminum
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Abstract
The invention relates to a method to make alumina antifriction porcelain ball using industrial mud from aluminum section factory. The feature is that it adopts industrial mud, clay, barium carbonate and talcum as raw material. The process includes the following steps: calcining the industrial mud; mixing the raw material and grinding in the ball grinding machine to gain slurry material; drying the slurry material to make powder; molding the powder to make semi-finished cog; dying the cog, calcining in high temperature furnace, and cooling to room temperature to gain alumina antifriction porcelain ball. The invention sharply decreases the manufacturing cost and is benefits for environment protection.
Description
Affiliated technical field
The present invention relates to the comprehensive utilization of solid waste in the ecological environment material nd, refer in particular to a kind of method of utilizing waste aluminum sludge to prepare the aluminum oxide wear-resisting porcelain ball.
Background technology
Characteristics such as the aluminum oxide wear-resisting porcelain ball has the hardness height, density is big, wear rate is little, corrosion-resistant, being widely used in the grinding process engineering of industries such as stupalith, electronic material, magneticsubstance and coating, makeup, food, is a kind of grinding medium material of market sales volume maximum.Adopting commercial alumina in the production of conventional aluminum oxide wear-resisting porcelain ball is main raw material, and its cost is higher, and activity is lower, is unfavorable for solid state reaction and sintering.
Summary of the invention
The invention provides a kind of method of utilizing waste aluminum sludge to prepare the aluminum oxide wear-resisting porcelain ball; it replaces commercial alumina with waste aluminum sludge and prepares the aluminum oxide wear-resisting porcelain ball; not only greatly reduce production cost, and help realizing environment protection and the dual purpose that turns waste into wealth.
Technical scheme of the present invention is to constitute like this, it is characterized in that:
(1) adopting waste aluminum sludge, clay, barium carbonate, talcum is that raw material is prepared, its composition of raw materials is: the waste aluminum sludge after high-temperature calcination: 60～80%, clay: 10～30%, talcum powder: 2～11%, barium carbonate: 2～9%;
(2) adopt following processing step to be prepared:
A. with waste aluminum sludge through the high-temperature calcination more than 1200 ℃;
B. after getting the raw material mixing by above-mentioned prescription,, ground 15～20 hours, obtain slurry the ratio input ball mill of mixed raw material according to 1 part of compound, 1.5～2.0 parts of grinding mediums, 0.9～1.2 part in water;
C. with the slurry drying dehydration, make powder;
D. with powder through overmolding, make the work in-process base substrate;
E. the work in-process base substrate is dried to water ratio≤1%, place 1370～1450 ℃ of calcinings of High Temperature Furnaces Heating Apparatus, cease fire after 2～4 hours, naturally cool to room temperature, can make the aluminum oxide wear-resisting porcelain ball in the firing temperature insulation.
The main raw material of composition of raw materials is a waste aluminum sludge among the present invention, and clay is the plasticity-that is used for regulating pug, and talcum and barium carbonate are fusing assistants.In addition, stablize for making to form, and prevent to ftracture because of the contraction that sludge dewatering produces, necessary elder generation through the high-temperature calcination more than 1200 ℃, makes its γ-AlOOH that originally contained, Al (OH) with waste aluminum sludge in above-mentioned a step
3Be converted into the α-Al of stable performance
2O
3
Than prior art, the method that the present invention utilizes waste aluminum sludge to prepare the aluminum oxide wear-resisting porcelain ball not only greatly reduces production cost, has improved the market competitiveness, and helps realizing environment protection and the dual purpose that turns waste into wealth.By the aluminum oxide wear-resisting porcelain ball that the inventive method is made, its Al
2O
3Content between 68～82%, and have following performance: density 3.105～3.289g/cm
3, folding strength 117～146MPa, water-intake rate 0.032～0.351%, wear rate 0.441～0.855 ‰/h.
Embodiment
The invention is characterized in:
(1) adopting waste aluminum sludge, clay, barium carbonate, talcum is that raw material is prepared, its composition of raw materials is: the waste aluminum sludge after high-temperature calcination: 60～80%, clay: 10～30%, talcum powder: 2～11%, barium carbonate: 2～9%;
(2) adopt following processing step to be prepared:
A. with waste aluminum sludge through the high-temperature calcination more than 1200 ℃;
B. after getting the raw material mixing by above-mentioned prescription,, ground 15～20 hours, obtain slurry the ratio input ball mill of mixed raw material according to 1 part of compound, 1.5～2.0 parts of grinding mediums, 0.9～1.2 part in water;
C. with the slurry drying dehydration, make powder;
D. with powder through overmolding, make the work in-process base substrate;
E. the work in-process base substrate is dried to water ratio≤1%, place 1370～1450 ℃ of calcinings of High Temperature Furnaces Heating Apparatus, cease fire after 2～4 hours, naturally cool to room temperature, can make the aluminum oxide wear-resisting porcelain ball in the firing temperature insulation.
Behind the slurries filtration after will grinding with 120-200 purpose screen cloth earlier among the above-mentioned steps c, carry out drying and dehydrating again.
Forming method described in the above-mentioned steps d adopts the method or the employing stiff-mud process of hydraulic forming machine compacting or adopts slip casting method or adopt other ordinary method.
Below in conjunction with specific embodiment content of the present invention is specifically described.
Embodiment 1:
Utilize waste aluminum sludge, clay, talcum and barium carbonate are the feedstock production wear-resisting porcelain ball, its composition of raw materials is as follows: the waste aluminum sludge 67% after 1300 ℃ of calcinings, clay 20%, barium carbonate 9%, talcum powder 4%, firing temperature: 1380 ℃, soaking time 3 hours.
Preparation process: a. is with the high-temperature calcination of waste aluminum sludge through 1300 ℃;
B. after getting the raw material mixing by above-mentioned prescription,, ground 20 hours, obtain slurry the ratio input ball mill of mixed raw material according to 1 part of compound, 1.5 parts of grinding mediums, 0.9 part in water;
C. behind the slurries filtration after will grinding with 200 purpose screen clothes,, make water ratio and be 5%～7% powder again with slurry drying dehydration;
D. with powder through overmolding, making diameter is the work in-process base substrate of 20～100mm different size;
E. the work in-process base substrate is being dried to water ratio≤1% under 100 ℃ the temperature, placing 1380 ℃ High Temperature Furnaces Heating Apparatus to calcine,, naturally cooling to room temperature, can make the aluminum oxide wear-resisting porcelain ball maximum sintering temperature insulation 3 hours.
Alumina content is about 73% in the wear-resisting porcelain ball that makes.
Performance: density 3.249g/cm3, folding strength 123MPa, water-intake rate 0.059%, wear rate 0.562 ‰/h.
Crystalline phase: principal crystalline phase is α-Al
2O
3, paracrystalline phase is a mullite, magnesium-aluminium spinel.
Embodiment 2:
Utilize waste aluminum sludge, clay, talcum and barium carbonate are the feedstock production wear-resisting porcelain ball, its composition of raw materials is as follows: the waste aluminum sludge 80% after 1200 ℃ of calcinings, clay 10%, talcum powder 2%, barium carbonate 8%, firing temperature: 1450 ℃, soaking time 2 hours.
Preparation process: a. is with the high-temperature calcination of waste aluminum sludge through 1200 ℃;
B. after getting the raw material mixing by above-mentioned prescription,, ground 15 hours, obtain slurry the ratio input ball mill of mixed raw material according to 1 part of compound, 2.0 parts of grinding mediums, 1.2 parts in water;
C. behind the slurries filtration after will grinding with 120 purpose screen clothes,, make water ratio and be 5%～7% powder again with slurry drying dehydration;
D. with powder through overmolding, making diameter is the work in-process base substrate of 20～100mm different size;
E. the work in-process base substrate is being dried to water ratio≤1% under 100 ℃ the temperature, placing 1450 ℃ High Temperature Furnaces Heating Apparatus to calcine,, naturally cooling to room temperature, can make the aluminum oxide wear-resisting porcelain ball maximum sintering temperature insulation 2 hours.
Alumina content is about 82% in the wear-resisting porcelain ball that makes.
Performance: density 3.271g/cm
3, folding strength 146MPa, water-intake rate 0.351%, wear rate 0.697 ‰/h.
Crystalline phase: principal crystalline phase is α-Al
2O
3, paracrystalline phase is a mullite, magnesium-aluminium spinel.
Embodiment 3:
Utilize waste aluminum sludge, clay, talcum and barium carbonate are the feedstock production wear-resisting porcelain ball, its composition of raw materials is as follows: the waste aluminum sludge 60% after 1300 ℃ of calcinings, clay 30%, talcum powder 8%, barium carbonate 2%, firing temperature: 1370 ℃, soaking time 2.5 hours.
Preparation process: a. is with the high-temperature calcination of waste aluminum sludge through 1300 ℃;
B. after getting the raw material mixing by above-mentioned prescription,, ground 18 hours, obtain slurry the ratio input ball mill of mixed raw material according to 1 part of compound, 1.8 parts of grinding mediums, 1.0 parts in water;
C. behind the slurries filtration after will grinding with 180 purpose screen clothes,, make water ratio and be 5%～7% powder again with slurry drying dehydration;
D. with powder through overmolding, making diameter is the work in-process base substrate of 20～100mm different size;
E. the work in-process base substrate is being dried to water ratio≤1% under 100 ℃ the temperature, placing 1370 ℃ High Temperature Furnaces Heating Apparatus to calcine,, naturally cooling to room temperature, can make the aluminum oxide wear-resisting porcelain ball maximum sintering temperature insulation 2.5 hours.
Alumina content is about 68% in the wear-resisting porcelain ball that makes.
Performance: density 3.105g/cm
3, folding strength 117MPa, water-intake rate 0.032%, wear rate 0.624 ‰/h.
Crystalline phase: principal crystalline phase is α-Al
2O
3, paracrystalline phase is a mullite, magnesium-aluminium spinel.
Embodiment 4:
Utilize waste aluminum sludge, clay, talcum and barium carbonate are the feedstock production wear-resisting porcelain ball, its composition of raw materials is as follows: the waste aluminum sludge 69% after 1300 ℃ of calcinings, clay 18%, talcum powder 11%, barium carbonate 2%, firing temperature: 1390 ℃, soaking time 3 hours.
Preparation process: a. is with the high-temperature calcination of waste aluminum sludge through 1300 ℃;
B. after getting the raw material mixing by above-mentioned prescription,, ground 16 hours, obtain slurry the ratio input ball mill of mixed raw material according to 1 part of compound, 2.0 parts of grinding mediums, 1.2 parts in water;
C. behind the slurries filtration after will grinding with 200 purpose screen clothes,, make water ratio and be 5%～7% powder again with slurry drying dehydration;
D. with powder through overmolding, making diameter is the work in-process base substrate of 20～100mm different size;
E. the work in-process base substrate is being dried to water ratio≤1% under 100 ℃ the temperature, placing 1390 ℃ High Temperature Furnaces Heating Apparatus to calcine,, naturally cooling to room temperature, can make the aluminum oxide wear-resisting porcelain ball maximum sintering temperature insulation 3 hours.
Alumina content is about 70% in the wear-resisting porcelain ball that makes.
Performance: density 3.249g/cm
3, folding strength 128MPa, water-intake rate 0.078%, wear rate 0.663 ‰/h.
Crystalline phase: principal crystalline phase is α-Al
2O
3, paracrystalline phase is a mullite, magnesium-aluminium spinel.
The chemical constitution of the waste aluminum sludge after the high-temperature calcination of being adopted in the foregoing description (weight percentage) is: SiO
2Be 3.6%, Al
2O
3Be 94.11%, Fe
2O
3Be 0.42%, CaO is 0.74%, and MgO is 0.57%, K
2O is 0.05%, Na
2O is 0.52%; Clay chemistry consists of: SiO
2Be 48.67%, Al
2O
3Be 35.59%, Fe
2O
3Be 0.39%, TiO
2Be 0.14%, CaO is 0.22%, and MgO is 0.22%, K
2O is 1.13%, Na
2O is 0.01%, and loss on ignition is 13.52%; The talcum chemical constitution is: SiO
2Be 60.44%, Al
2O
3Be 1.19%, Fe
2O
3Be 0.14%, CaO is 3.10%, and MgO is 29.02%, and loss on ignition is 5.32%; Barium carbonate is an industrial pure material.
In addition, above-mentioned waste aluminum sludge mainly contains γ-AlOOH, Al (OH) before high-temperature calcination
3With the solid matter of amorphous body structure, particle is between 0.1～1 μ m, and clay size is 180～200 orders, and the talcum powder granularity is 180～200 orders.
Claims (3)
1. method of utilizing waste aluminum sludge to prepare the aluminum oxide wear-resisting porcelain ball is characterized in that:
(1) adopting waste aluminum sludge, clay, barium carbonate, talcum is that raw material is prepared, its composition of raw materials is: the waste aluminum sludge after high-temperature calcination: 60～80%, clay: 10～30%, talcum powder: 2～11%, barium carbonate: 2～9%;
(2) adopt following processing step to be prepared:
A. with waste aluminum sludge through the high-temperature calcination more than 1200 ℃;
B. after getting the raw material mixing by above-mentioned prescription,, ground 15～20 hours, obtain slurry the ratio input ball mill of mixed raw material according to 1 part of compound, 1.5～2.0 parts of grinding mediums, 0.9～1.2 part in water;
C. with the slurry drying dehydration, make powder;
D. with powder through overmolding, make the work in-process base substrate;
E. the work in-process base substrate is dried to water ratio≤1%, place 1370～1450 ℃ of calcinings of High Temperature Furnaces Heating Apparatus, cease fire after 2～4 hours, naturally cool to room temperature, can make the aluminum oxide wear-resisting porcelain ball in the firing temperature insulation.
2. the method for utilizing waste aluminum sludge to prepare the aluminum oxide wear-resisting porcelain ball according to claim 1 is characterized in that: behind the slurries filtration after will grinding with 120-200 purpose screen cloth earlier among the above-mentioned steps c, carry out drying and dehydrating again.
3. the method for utilizing waste aluminum sludge to prepare the aluminum oxide wear-resisting porcelain ball according to claim 1 and 2 is characterized in that: the forming method described in the above-mentioned steps d adopts the method or the employing stiff-mud process of hydraulic forming machine compression moulding or adopts slip casting method or adopt other ordinary method.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100199891A CN1331805C (en) | 2005-12-08 | 2005-12-08 | Process for preparing aluminium oxide wear-resisting porcelain ball by industrial mud of aluminium section bar plant and preparation process thereof |
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|---|---|---|---|
| CNB2005100199891A CN1331805C (en) | 2005-12-08 | 2005-12-08 | Process for preparing aluminium oxide wear-resisting porcelain ball by industrial mud of aluminium section bar plant and preparation process thereof |
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| CN1793007A true CN1793007A (en) | 2006-06-28 |
| CN1331805C CN1331805C (en) | 2007-08-15 |
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|---|---|---|---|
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101186487B (en) * | 2007-12-17 | 2010-06-09 | 中国铝业股份有限公司 | Method for preparing ceramic plunger |
| CN102173753A (en) * | 2011-01-04 | 2011-09-07 | 华南理工大学 | Aluminum oxide ceramic friction material prepared from aluminum profile industrial waste residue and preparation method thereof |
| CN101786858B (en) * | 2010-01-15 | 2012-06-20 | 浙江湖磨抛光磨具制造有限公司 | Method for manufacturing aluminum ceramic microspheres in mullite toughening |
| CN103304221A (en) * | 2013-04-23 | 2013-09-18 | 金刚新材料股份有限公司 | Method for preparing inert porcelain ball by using aluminum oxide dust-recovery powder |
| CN103319162A (en) * | 2013-06-19 | 2013-09-25 | 华南理工大学 | Blue and white porcelain body prepared from industrial aluminium profile waste residues and method thereof |
| CN105060863A (en) * | 2015-08-14 | 2015-11-18 | 巩义市金鼎炉料厂 | Formulation and technology of medium-high-alumina ceramic balls |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1456389A1 (en) * | 1986-09-24 | 1989-02-07 | Научно-Исследовательский И Конструкторско-Технологический Институт Эмалированного Химического Оборудования | Charge composition for producing structural ceramic material |
| CN1292039C (en) * | 2003-11-08 | 2006-12-27 | 桂林工学院 | Process for producing grinding media from waste material of fireproof material |
| CN1305770C (en) * | 2004-02-07 | 2007-03-21 | 福州大学 | Method for preparing active aluminum oxide utilizing industrial sludge of aluminium section bar plant |
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- 2005-12-08 CN CNB2005100199891A patent/CN1331805C/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101186487B (en) * | 2007-12-17 | 2010-06-09 | 中国铝业股份有限公司 | Method for preparing ceramic plunger |
| CN101786858B (en) * | 2010-01-15 | 2012-06-20 | 浙江湖磨抛光磨具制造有限公司 | Method for manufacturing aluminum ceramic microspheres in mullite toughening |
| CN102173753A (en) * | 2011-01-04 | 2011-09-07 | 华南理工大学 | Aluminum oxide ceramic friction material prepared from aluminum profile industrial waste residue and preparation method thereof |
| CN102173753B (en) * | 2011-01-04 | 2013-12-11 | 华南理工大学 | Aluminum oxide ceramic friction material prepared from aluminum profile industrial waste residue and preparation method thereof |
| CN103304221A (en) * | 2013-04-23 | 2013-09-18 | 金刚新材料股份有限公司 | Method for preparing inert porcelain ball by using aluminum oxide dust-recovery powder |
| CN103304221B (en) * | 2013-04-23 | 2014-08-20 | 金刚新材料股份有限公司 | Method for preparing inert porcelain ball by using aluminum oxide dust-recovery powder |
| CN103319162A (en) * | 2013-06-19 | 2013-09-25 | 华南理工大学 | Blue and white porcelain body prepared from industrial aluminium profile waste residues and method thereof |
| CN103319162B (en) * | 2013-06-19 | 2015-10-28 | 华南理工大学 | Aluminium section bar industrial residue is utilized to prepare bule and white porcelain base substrate and method thereof |
| CN105060863A (en) * | 2015-08-14 | 2015-11-18 | 巩义市金鼎炉料厂 | Formulation and technology of medium-high-alumina ceramic balls |
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|---|---|
| CN1331805C (en) | 2007-08-15 |
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Assignee: Fujian Guanfu Modern Household Co., Ltd. Assignor: Fuzhou University Contract fulfillment period: 2009.7.8 to 2014.7.7 contract change Contract record no.: 2009990000966 Denomination of invention: Process for preparing aluminium oxide wear-resisting porcelain ball by industrial mud of aluminium section bar plant and preparation process thereof Granted publication date: 20070815 License type: Exclusive license Record date: 2009.8.27 |
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