CN101343752A - Graphite electrode coated with high temperature oxidation resistant ceramic paint and manufacture method thereof - Google Patents
Graphite electrode coated with high temperature oxidation resistant ceramic paint and manufacture method thereof Download PDFInfo
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- CN101343752A CN101343752A CNA2008100588183A CN200810058818A CN101343752A CN 101343752 A CN101343752 A CN 101343752A CN A2008100588183 A CNA2008100588183 A CN A2008100588183A CN 200810058818 A CN200810058818 A CN 200810058818A CN 101343752 A CN101343752 A CN 101343752A
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- temperature
- graphite electrodes
- high temperature
- graphite
- oxidation resistant
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 68
- 229910002804 graphite Inorganic materials 0.000 title claims abstract description 63
- 239000010439 graphite Substances 0.000 title claims abstract description 63
- 239000000919 ceramic Substances 0.000 title claims abstract description 22
- 239000003973 paint Substances 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims abstract description 9
- 230000003647 oxidation Effects 0.000 title claims description 20
- 238000007254 oxidation reaction Methods 0.000 title claims description 20
- 238000004519 manufacturing process Methods 0.000 title abstract description 8
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 51
- 230000003064 anti-oxidating effect Effects 0.000 claims abstract description 33
- 238000005524 ceramic coating Methods 0.000 claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000002360 preparation method Methods 0.000 claims abstract description 9
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims abstract description 7
- 229910021502 aluminium hydroxide Inorganic materials 0.000 claims abstract description 7
- 239000002270 dispersing agent Substances 0.000 claims abstract description 4
- 239000011230 binding agent Substances 0.000 claims description 15
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 14
- 229910052708 sodium Inorganic materials 0.000 claims description 14
- 239000011734 sodium Substances 0.000 claims description 14
- 239000011248 coating agent Substances 0.000 claims description 13
- 238000000576 coating method Methods 0.000 claims description 13
- 238000001035 drying Methods 0.000 claims description 10
- 239000000843 powder Substances 0.000 claims description 9
- 238000009413 insulation Methods 0.000 claims description 8
- 238000002203 pretreatment Methods 0.000 claims description 6
- 239000002002 slurry Substances 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 239000006185 dispersion Substances 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- 229910018626 Al(OH) Inorganic materials 0.000 claims description 4
- 239000007864 aqueous solution Substances 0.000 claims description 4
- 244000248349 Citrus limon Species 0.000 claims description 3
- 235000005979 Citrus limon Nutrition 0.000 claims description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-O ammonium group Chemical group [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 3
- 238000007669 thermal treatment Methods 0.000 claims description 3
- 229920005575 poly(amic acid) Polymers 0.000 claims description 2
- 239000002994 raw material Substances 0.000 claims description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052760 oxygen Inorganic materials 0.000 abstract description 3
- 239000001301 oxygen Substances 0.000 abstract description 3
- 239000003344 environmental pollutant Substances 0.000 abstract description 2
- 231100000719 pollutant Toxicity 0.000 abstract description 2
- 239000007767 bonding agent Substances 0.000 abstract 1
- 229910052593 corundum Inorganic materials 0.000 abstract 1
- 230000008030 elimination Effects 0.000 abstract 1
- 238000003379 elimination reaction Methods 0.000 abstract 1
- 229910001679 gibbsite Inorganic materials 0.000 abstract 1
- 238000002955 isolation Methods 0.000 abstract 1
- 229910001845 yogo sapphire Inorganic materials 0.000 abstract 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 5
- 239000004411 aluminium Substances 0.000 description 3
- 238000005868 electrolysis reaction Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000013065 commercial product Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The invention provides a high temperature anti-oxidation ceramic paint coated graphite electrode and a preparation method thereof. The high temperature anti-oxidation ceramic paint coated graphite electrode is characterized in that high temperature anti-oxidation ceramic paint is coated on the surface of an electrode, and the high temperature anti-oxidation ceramic paint is composed of the following components: 24 to 68 percent of Al(OH)3, 8 to 49 percent NaOH, 9 to 30 percent of water, 3 to 20 percent of Al2O3 and 0 to 5 percent of dispersing agent. A ceramic coating which can prevent oxygen from diffusing to the electrode surface is formed on the surface of a common electrode, thereby effectively protecting the electrode against being oxidized, and further reducing the electrode consumption and the production cost, at high temperature, the high temperature anti-oxidation ceramic paint can evaporate out the constitutional water in the sodium aluminum oxide bonding agent, which can form a porous structure, and have the functions of thermal retardation, heat isolation and noise elimination. The invention has the advantages that the process is simple, the operation is convention, the high temperature anti-oxidation ceramic paint coated graphite electrode is energy-saving, pollutant is not discharged, the investment is less, and the running cost is low.
Description
Technical field
The present invention relates to a kind of Graphite Electrodes and preparation method thereof, especially a kind of Graphite Electrodes that is coated with high-temperature antioxidation ceramic coating and preparation method thereof belongs to the electrode production technical field.
Background technology
The electrolytic anode consumption is greatly the one of the main reasons that causes the electrolysis production cost high, accounts for about 15% of total cost, is the important indicator that each electrolysis production enterprise all will examine.2006, China's electrolytic aluminum output was 1,000 ten thousand t.Yet China's electrolytic aluminium anode carbon consumption is compared with international most advanced level, but has bigger gap, and according to the literature, the clean consumption of external anode is 406kg/t-Al, and the average clean consumption of China's electrolytic aluminium anode but is about 460kg/t-Al.China's electrolytic aluminum will consume about 36 tons of carbon anode every year more, not only causes production cost to increase, and also causes the waste of non-renewable in a large number high quality carbon resource simultaneously, has seriously restricted further developing of China's electrolytic aluminum industry.Therefore, be necessary fully prior art is improved.
Summary of the invention
Purpose of the present invention for solving the prior art above shortcomings, provides a kind of Graphite Electrodes of coated with high temperature oxidation resistant ceramic paint just, and is not oxidized with the protection Graphite Electrodes, and then reduces graphite electrode consumption and production cost.
The present invention finishes by following technical proposal: a kind of Graphite Electrodes of coated with high temperature oxidation resistant ceramic paint is characterized in that being coated with the high-temperature antioxidation ceramic coating of being made up of following raw materials according at graphite electrode surface:
Al(OH)
3 24~68％
NaOH 8~49％
Water 9 ~ 30%
Al
2O
3 3~20％
Dispersion agent 0 ~ 5%.
Described dispersion agent is one or more in lemon three sour ammoniums or the poly amic acid.
Described high-temperature antioxidation ceramic coating makes by following process steps:
(1) with NaOH soluble in water after, in the NaOH aqueous solution, add aluminium hydroxide Al (OH)
3Powder stirred 5～30 minutes under ℃ temperature of room temperature～150, made the sodium metaaluminate binding agent;
(2) with Al
2O
3Powder directly adds in the sodium metaaluminate binding agent of step (1), under ℃ temperature of room temperature～150, stirs 10～30 minutes, adjusts viscosity to 0.1～20Pas, pH value to 11～13, just gelationus high-temperature antioxidation ceramic coating;
Perhaps
(1) with NaOH soluble in water after, in the NaOH aqueous solution, add aluminium hydroxide Al (OH)
3Powder stirred 5～30 minutes under ℃ temperature of room temperature～150, made the sodium metaaluminate binding agent;
(2) with Al
2O
3After dispersant, add water and make uniform slurry;
(3) slurry with step (2) joins in the sodium metaaluminate binding agent of step (1), adjusts viscosity to 0.1～20Pas, pH value to 11～13, gets high-temperature antioxidation ceramic coating.
The Graphite Electrodes of described coated with high temperature oxidation resistant ceramic paint makes by following method:
(1) pre-treatment of Graphite Electrodes: in the first coating of graphite electrode surface viscosity is the high-temperature antioxidation ceramic coating of 0.1～2Pas, and ℃ following drying is 5～20 minutes in room temperature～70;
(2) apply: applying the high-temperature antioxidation ceramic coating that viscosity is 10～20Pas again through the pretreated graphite electrode surface of above-mentioned (1) step, coating thickness is 0.4～2mm;
(3) solidify: the Graphite Electrodes of step (2) was at room temperature solidified 3～8 hours;
(4) drying:, promptly get the high-temperature oxidation resistant Graphite Electrodes with the Graphite Electrodes of step (3) under 70 ℃ of temperature dry 4～12 hours;
Perhaps
1) pre-treatment of Graphite Electrodes: in the first coating of graphite electrode surface viscosity is the high-temperature antioxidation ceramic coating of 0.1～9Pas, and ℃ following drying is 5～20 minutes in room temperature～70;
(2) apply: applying the high-temperature antioxidation ceramic coating that viscosity is 10～20Pas again through the pretreated graphite electrode surface of above-mentioned (1) step, coating thickness is 0.4～2mm;
(3) solidify: the Graphite Electrodes of step (2) was at room temperature solidified 3～8 hours;
(4) drying: with the Graphite Electrodes of step (3) under 70 ℃ of temperature dry 4～12 hours;
(5) thermal treatment: the dry Graphite Electrodes of step (4) is heat-treated at 900～1100 ℃, and wherein before 300 ℃, the control temperature rise rate is 1～2 ℃/min, and respectively at 100 ℃, 200 ℃ and 300 ℃ of insulation 0.5～2h; After 300 ℃, the control temperature rise rate is 5～8 ℃/min, and insulation 0.5～2h cools to room temperature then with the furnace when reaching 900～1100 ℃, promptly gets the high-temperature oxidation resistant Graphite Electrodes.
Described Graphite Electrodes adopts conventional electrodes of the prior art or carbon anode, is commercial product.
The present invention has following advantage and effect: adopt such scheme; promptly behind the graphite electrode surface coated with high temperature oxidation resistant ceramic paint; can form one deck at the common graphite electrode surface and can stop the ceramic coating of oxygen to the electrode surface diffusion; thereby effectively guard electrode is not oxidized; and then reduction consumption of electrode and production cost; high-temperature antioxidation ceramic coating can be evaporated the water of constitution in the sodium metaaluminate binding agent when high temperature; thereby formation porous; has insulation; heat insulation and abate the noise effect; this high-temperature antioxidation ceramic coating does not comprise organism; and the composition that can be by binding agent and the composition of slip are regulated the size and the distribution of pore, and its technology of method provided by the invention is simple, and is easy to operate; energy-conservation; do not discharge pollutants, invest for a short time, running cost is low.
Description of drawings
Fig. 1 is the micro-structure diagram of high-temperature oxidation resistant coating.
Shown by Fig. 1: take sodium metaaluminate as binding agent, the coating take aluminium oxide as aggregate is a kind of after high-temperature heat treatment Porous ceramic film material, but pore seals, and can well stop oxygen to spread to electrode surface. Simultaneously, we go back Can find out coating and electrode matrix combination very firm.
Embodiment
Below in conjunction with embodiment the present invention is described further.
Embodiment 1
The preparation of high-temperature antioxidation ceramic coating:
Get material by following prescription:
Form gram
Al(OH)
3 40
NaOH 18
Water 20
Al
2O
3 20
Dispersion agent lemon three sour ammoniums 2
Through following method:
(1) gets above-mentioned NaOH and pour clean beaker into, add suitable quantity of water and constantly stirring; After NaOH dissolves fully, in beaker, slowly add aluminium hydroxide Al (OH)
3Powder stirred 8 minutes under 110 ℃ of temperature, made the sodium metaaluminate binding agent;
(2) with Al
2O
3After dispersant, add water and make uniform slurry;
(3) slurry with step (2) joins in the sodium metaaluminate binding agent of step (1), adjusts viscosity to 0.1Pas, pH value to 13, obtains high-temperature antioxidation ceramic coating.
Embodiment 2
The preparation of high-temperature antioxidation ceramic coating:
Get material by following prescription:
Form gram
Al(OH)
3 40
NaOH 20
Water 20
Al
2O
3 20
Through following method:
(1) gets above-mentioned NaOH and pour clean beaker into, add suitable quantity of water and constantly stirring; After NaOH dissolves fully, in beaker, slowly add aluminium hydroxide Al (OH)
3Powder at room temperature stirred 30 minutes, made the sodium metaaluminate binding agent;
(2) with Al
2O
3Powder directly adds in the sodium metaaluminate binding agent of step (1), under 150 ℃ of temperature, stirs 10 minutes, adjusts viscosity to 20Pas, pH value to 11, just gelationus high-temperature antioxidation ceramic coating.
Embodiment 3
The preparation of the Graphite Electrodes of coated with high temperature oxidation resistant ceramic paint:
(1) pre-treatment of Graphite Electrodes: being coated with the viscosity that embodiment 1 step (3) makes at graphite electrode surface is the high-temperature antioxidation ceramic coating of 0.1Pas, at room temperature dry 20 minutes;
(2) apply: be coated with the viscosity that embodiment 2 steps (2) make through the pretreated graphite electrode surface of above-mentioned (1) step is the high-temperature antioxidation ceramic coating of 20Pas, and coating thickness is 0.4mm;
(3) solidify: the Graphite Electrodes of step (2) was at room temperature solidified 4 hours;
(4) drying:, promptly get the Graphite Electrodes of coated with high temperature oxidation resistant ceramic paint, as the carbon anode use of Aluminium Electrolysis with the Graphite Electrodes of step (3) under 70 ℃ of temperature dry 12 hours.
Embodiment 4
The Graphite Electrodes of coated with high temperature oxidation resistant ceramic paint preparation:
(1) pre-treatment of Graphite Electrodes: being coated with the viscosity that embodiment 1 step (3) makes at graphite electrode surface is the high-temperature antioxidation ceramic coating of 0.1Pas, under 70 ℃ of temperature dry 5 minutes;
(2) apply: be coated with the viscosity that embodiment 2 steps (2) make through the pretreated graphite electrode surface of above-mentioned (1) step is the high-temperature antioxidation ceramic coating of 20Pas, and coating thickness is 2mm;
(3) solidify: the Graphite Electrodes of step (2) was at room temperature solidified 8 hours;
(4) drying:, promptly get the Graphite Electrodes of coated with high temperature oxidation resistant ceramic paint with the Graphite Electrodes of step (3) under 70 ℃ of temperature dry 5 hours;
(5) thermal treatment: the dry Graphite Electrodes of step (4) is heat-treated under 1000 ℃, and wherein before 300 ℃, the control temperature rise rate is 1 ℃/min, and respectively at 100 ℃, 200 ℃ and 300 ℃ of insulation 1h; After 300 ℃, the control temperature rise rate is 6 ℃/min, and insulation 1h cools to room temperature then with the furnace when reaching 1000 ℃, promptly gets the Graphite Electrodes of coated with high temperature oxidation resistant ceramic paint, as the metallurgy industry electrode.
Claims (4)
1, a kind of Graphite Electrodes of coated with high temperature oxidation resistant ceramic paint is characterized in that being coated with the high-temperature antioxidation ceramic coating of being made up of following raw materials according at graphite electrode surface:
Al(OH)
3 24~68％
NaOH 8~49％
Water 9 ~ 30%
Al
2O
3 3~20％
Dispersion agent 0 ~ 5%.
2, the Graphite Electrodes of coated with high temperature oxidation resistant ceramic paint according to claim 1 is characterized in that described dispersion agent is one or more in lemon three sour ammoniums or the poly amic acid.
3, a kind of preparation method of Graphite Electrodes of coated with high temperature oxidation resistant ceramic paint as claimed in claim 1 is characterized in that through following process steps:
(1) pre-treatment of Graphite Electrodes: in the first coating of graphite electrode surface viscosity is the high-temperature antioxidation ceramic coating of 0.1～2Pas, and ℃ following drying is 5～20 minutes in room temperature～70;
(2) apply: applying the high-temperature antioxidation ceramic coating that viscosity is 10～20Pas again through the pretreated graphite electrode surface of above-mentioned (1) step, coating thickness is 0.4～2mm;
(3) solidify: the Graphite Electrodes of step (2) was at room temperature solidified 3～8 hours;
(4) drying:, promptly get the high-temperature oxidation resistant Graphite Electrodes with the Graphite Electrodes of step (3) under 70 ℃ of temperature dry 4～12 hours;
Perhaps
1) pre-treatment of Graphite Electrodes: in the first coating of graphite electrode surface viscosity is the high-temperature antioxidation ceramic coating of 0.1～9Pas, and ℃ following drying is 5～20 minutes in room temperature～70;
(2) apply: applying the high-temperature antioxidation ceramic coating that viscosity is 10～20Pas again through the pretreated graphite electrode surface of above-mentioned (1) step, coating thickness is 0.4～2mm;
(3) solidify: the Graphite Electrodes of step (2) was at room temperature solidified 3～8 hours;
(4) drying: with the Graphite Electrodes of step (3) under 70 ℃ of temperature dry 4～12 hours;
(5) thermal treatment: the dry Graphite Electrodes of step (4) is heat-treated at 900～1100 ℃, and wherein before 300 ℃, the control temperature rise rate is 1～2 ℃/min, and respectively at 100 ℃, 200 ℃ and 300 ℃ of insulation 0.5～2h; After 300 ℃, the control temperature rise rate is 5～8 ℃/min, and insulation 0.5～2h cools to room temperature then with the furnace when reaching 900～1100 ℃, promptly gets the high-temperature oxidation resistant Graphite Electrodes.
4, the Graphite Electrodes of coated with high temperature oxidation resistant ceramic paint according to claim 1 is characterized in that described high-temperature antioxidation ceramic coating makes by following process steps:
(1) with NaOH soluble in water after, in the NaOH aqueous solution, add aluminium hydroxide Al (OH)
3Powder stirred 5～30 minutes under ℃ temperature of room temperature～150, made the sodium metaaluminate binding agent;
(2) with Al
2O
3Powder directly adds in the sodium metaaluminate binding agent of step (1), under ℃ temperature of room temperature～150, stirs 10～30 minutes, adjusts viscosity to 0.1～20Pas, pH value to 11～13, just gelationus high-temperature antioxidation ceramic coating;
Perhaps
(1) with NaOH soluble in water after, in the NaOH aqueous solution, add aluminium hydroxide Al (OH)
3Powder stirred 5～30 minutes under ℃ temperature of room temperature～150, made the sodium metaaluminate binding agent;
(2) with Al
2O
3After dispersant, add water and make uniform slurry;
(3) slurry with step (2) joins in the sodium metaaluminate binding agent of step (1), adjusts viscosity to 0.1～20Pas, pH value to 11～13, gets high-temperature antioxidation ceramic coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100588183A CN101343752B (en) | 2008-08-15 | 2008-08-15 | Graphite electrode coated with high temperature oxidation resistant ceramic paint and manufacture method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100588183A CN101343752B (en) | 2008-08-15 | 2008-08-15 | Graphite electrode coated with high temperature oxidation resistant ceramic paint and manufacture method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101343752A true CN101343752A (en) | 2009-01-14 |
| CN101343752B CN101343752B (en) | 2010-12-29 |
Family
ID=40245866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100588183A Expired - Fee Related CN101343752B (en) | 2008-08-15 | 2008-08-15 | Graphite electrode coated with high temperature oxidation resistant ceramic paint and manufacture method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101343752B (en) |
Cited By (11)
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| CN102492319A (en) * | 2011-11-25 | 2012-06-13 | 昆明理工大学 | Corrosion-resistant coating material, and preparation method and use method thereof |
| CN103132104A (en) * | 2013-03-07 | 2013-06-05 | 沈阳化工大学 | Method for protecting electrolytic aluminum by using carbon anode |
| CN103173790A (en) * | 2013-04-17 | 2013-06-26 | 湖南创元铝业有限公司 | Carbon anode coating, carbon anode by using same, and preparation method of same |
| CN103305869A (en) * | 2013-06-27 | 2013-09-18 | 中国铝业股份有限公司 | Graphite powder used in aluminum electrolysis anode aluminum guide rod casting process |
| CN103966630A (en) * | 2014-04-28 | 2014-08-06 | 沈阳化工大学 | Method for treating waste electrolyte generated in production of electrolytic aluminium |
| CN104120454A (en) * | 2014-07-01 | 2014-10-29 | 湖南创元铝业有限公司 | Prebaked anode oxidation-resistant ceramic-based coating and coating method thereof |
| CN104909840A (en) * | 2015-06-05 | 2015-09-16 | 南通扬子碳素股份有限公司 | Method for manufacturing oxidation-resistant carbon product |
| CN107190281A (en) * | 2017-05-12 | 2017-09-22 | 云南云铝涌鑫铝业有限公司 | Application of the nano ceramics base coating in prevention aluminium electrolysis cell anode carbon block oxidation |
| CN108456005A (en) * | 2018-04-20 | 2018-08-28 | 郑州大学 | Graphite antioxidant coating and preparation method thereof |
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2008
- 2008-08-15 CN CN2008100588183A patent/CN101343752B/en not_active Expired - Fee Related
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| CN102492319A (en) * | 2011-11-25 | 2012-06-13 | 昆明理工大学 | Corrosion-resistant coating material, and preparation method and use method thereof |
| CN103132104A (en) * | 2013-03-07 | 2013-06-05 | 沈阳化工大学 | Method for protecting electrolytic aluminum by using carbon anode |
| CN103132104B (en) * | 2013-03-07 | 2016-08-03 | 沈阳化工大学 | Method with carbon anode protection electrolytic aluminium |
| CN103173790A (en) * | 2013-04-17 | 2013-06-26 | 湖南创元铝业有限公司 | Carbon anode coating, carbon anode by using same, and preparation method of same |
| CN103305869A (en) * | 2013-06-27 | 2013-09-18 | 中国铝业股份有限公司 | Graphite powder used in aluminum electrolysis anode aluminum guide rod casting process |
| CN103966630A (en) * | 2014-04-28 | 2014-08-06 | 沈阳化工大学 | Method for treating waste electrolyte generated in production of electrolytic aluminium |
| CN104120454B (en) * | 2014-07-01 | 2016-08-17 | 湖南创元铝业有限公司 | Prebaked anode non-oxidizability ceramic base coating and painting method thereof |
| CN104120454A (en) * | 2014-07-01 | 2014-10-29 | 湖南创元铝业有限公司 | Prebaked anode oxidation-resistant ceramic-based coating and coating method thereof |
| CN104909840A (en) * | 2015-06-05 | 2015-09-16 | 南通扬子碳素股份有限公司 | Method for manufacturing oxidation-resistant carbon product |
| CN104909840B (en) * | 2015-06-05 | 2019-05-03 | 南通扬子碳素股份有限公司 | The manufacturing method of resistance to oxidation carbon product |
| CN107190281A (en) * | 2017-05-12 | 2017-09-22 | 云南云铝涌鑫铝业有限公司 | Application of the nano ceramics base coating in prevention aluminium electrolysis cell anode carbon block oxidation |
| CN108456005A (en) * | 2018-04-20 | 2018-08-28 | 郑州大学 | Graphite antioxidant coating and preparation method thereof |
| CN108456005B (en) * | 2018-04-20 | 2021-04-27 | 郑州大学 | Graphite oxidation resistant coating |
| CN109136992A (en) * | 2018-09-06 | 2019-01-04 | 索通发展股份有限公司 | The preparation method of pre-baked carbon anode graphene composite protection layer |
| CN109638239A (en) * | 2018-11-26 | 2019-04-16 | 石棉县集能新材料有限公司 | A kind of lithium ion battery graphite cathode material and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN101343752B (en) | 2010-12-29 |
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