RU2009100542A - METHOD FOR CLEANING ALUMINUM FROM IMPURITIES AND FURNACE FOR IMPLEMENTING THE METHOD - Google Patents
METHOD FOR CLEANING ALUMINUM FROM IMPURITIES AND FURNACE FOR IMPLEMENTING THE METHOD Download PDFInfo
- Publication number
- RU2009100542A RU2009100542A RU2009100542/02A RU2009100542A RU2009100542A RU 2009100542 A RU2009100542 A RU 2009100542A RU 2009100542/02 A RU2009100542/02 A RU 2009100542/02A RU 2009100542 A RU2009100542 A RU 2009100542A RU 2009100542 A RU2009100542 A RU 2009100542A
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- RU
- Russia
- Prior art keywords
- furnace
- aluminum
- crucible
- melt
- impurities
- Prior art date
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract 27
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract 27
- 238000000034 method Methods 0.000 title claims abstract 12
- 239000012535 impurity Substances 0.000 title claims abstract 9
- 238000004140 cleaning Methods 0.000 title 1
- 235000002639 sodium chloride Nutrition 0.000 claims abstract 20
- 150000003839 salts Chemical class 0.000 claims abstract 16
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical class [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims abstract 8
- PUZPDOWCWNUUKD-UHFFFAOYSA-M sodium fluoride Chemical class [F-].[Na+] PUZPDOWCWNUUKD-UHFFFAOYSA-M 0.000 claims abstract 8
- 229910000831 Steel Inorganic materials 0.000 claims abstract 4
- 238000002844 melting Methods 0.000 claims abstract 4
- 230000008018 melting Effects 0.000 claims abstract 4
- 239000011780 sodium chloride Substances 0.000 claims abstract 4
- 239000011775 sodium fluoride Chemical class 0.000 claims abstract 4
- 235000013024 sodium fluoride Nutrition 0.000 claims abstract 4
- 239000010959 steel Substances 0.000 claims abstract 4
- JKWMSGQKBLHBQQ-UHFFFAOYSA-N diboron trioxide Chemical class O=BOB=O JKWMSGQKBLHBQQ-UHFFFAOYSA-N 0.000 claims abstract 3
- UQGFMSUEHSUPRD-UHFFFAOYSA-N disodium;3,7-dioxido-2,4,6,8,9-pentaoxa-1,3,5,7-tetraborabicyclo[3.3.1]nonane Chemical class [Na+].[Na+].O1B([O-])OB2OB([O-])OB1O2 UQGFMSUEHSUPRD-UHFFFAOYSA-N 0.000 claims abstract 3
- 238000007654 immersion Methods 0.000 claims abstract 3
- 239000000155 melt Substances 0.000 claims abstract 3
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical class [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims abstract 2
- 229910021538 borax Inorganic materials 0.000 claims abstract 2
- 239000000203 mixture Substances 0.000 claims abstract 2
- 239000011591 potassium Chemical class 0.000 claims abstract 2
- 229910052700 potassium Inorganic materials 0.000 claims abstract 2
- 235000007686 potassium Nutrition 0.000 claims abstract 2
- 238000000746 purification Methods 0.000 claims abstract 2
- 239000004328 sodium tetraborate Chemical class 0.000 claims abstract 2
- 235000010339 sodium tetraborate Nutrition 0.000 claims abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract 2
- 238000010438 heat treatment Methods 0.000 claims 1
- 239000011214 refractory ceramic Substances 0.000 claims 1
- 239000011734 sodium Substances 0.000 claims 1
- 229910004835 Na2B4O7 Inorganic materials 0.000 abstract 1
Landscapes
- Manufacture And Refinement Of Metals (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
1. Способ очистки алюминия от примесей путем переплавки его в расплаве солей хлористых натрия и калия, фтористого натрия, натрия тетраборнокислого, ангидрида борной кислоты отличающийся тем, что плавление алюминия осуществляют при температуре 700-800°C в расплаве солей, имеющий следующий состав, мас.%: ! NaCl 64 NaF 20 KCl 11 Na2B4O7 3 B2O3 2 ! 2. Способ по п.1, отличающийся тем, что высота слива очищенного расплава алюминия составляет 860-900 мм от дна тигля печи, высота слоя расплава алюминия на дне тигля печи составляет 200-220 мм, высота слоя солей над уровнем расплава алюминия составляет 800-820 мм, высота от уровня расплава солей до верха тигля печи составляет 350-400 мм. ! 3. Способ по п.1, отличающийся тем, что плавление алюминия осуществляют в клети из огнеупорной стали, погруженной в расплав солей. ! 4. Способ по п.1, отличающийся тем, что после удаления клети из расплава солей ее очистку от оставшихся в ней примесей осуществляют погружением в емкость с водой с последующим механическим удалением примесей из клети. ! 5. Печь для осуществления способа очистки алюминия от примесей, включающая в себя тигель печи, обечайку, огнеупорную футеровку тигля, горелочные устройства, крышку печи, трубы для технологического слива очищенного расплава алюминия и для слива расплава алюминия и солей на время ремонта печи или на случай аварийной ситуации, отличающаяся тем, что тигель печи представляет собой обечайку, выполненную из огнеупорной стали. ! 6. Печь по п.5, отличающаяся тем, что труба для технологического слива очищенного расплава алюминия вмонтирована в тигель печи таким образом, что нижний ее конец погружен в расплав алюминия на дне тигля � 1. The method of purification of aluminum from impurities by remelting it in a melt of salts of sodium chloride and potassium, sodium fluoride, sodium tetraborate, boric anhydride characterized in that the melting of aluminum is carried out at a temperature of 700-800 ° C in a molten salt, having the following composition, wt .%:! NaCl 64 NaF 20 KCl 11 Na2B4O7 3 B2O3 2! 2. The method according to claim 1, characterized in that the drain height of the cleaned aluminum melt is 860-900 mm from the bottom of the crucible of the furnace, the height of the layer of aluminum melt at the bottom of the crucible of the furnace is 200-220 mm, the height of the salt layer above the level of the aluminum melt is 800 -820 mm, the height from the level of molten salts to the top of the crucible furnace is 350-400 mm. ! 3. The method according to claim 1, characterized in that the melting of aluminum is carried out in a stand made of refractory steel immersed in a molten salt. ! 4. The method according to claim 1, characterized in that after removal of the stand from the molten salt, it is cleaned of impurities remaining in it by immersion in a container of water, followed by mechanical removal of impurities from the stand. ! 5. A furnace for implementing a method for purifying aluminum from impurities, including a crucible of a furnace, a shell, refractory lining of a crucible, burners, a furnace lid, pipes for technological discharge of cleaned aluminum melt and for draining molten aluminum and salts during furnace repair or in case emergency situation, characterized in that the crucible of the furnace is a shell made of refractory steel. ! 6. The furnace according to claim 5, characterized in that the pipe for technological discharge of the purified aluminum melt is mounted in the crucible of the furnace so that its lower end is immersed in the aluminum melt at the bottom of the crucible
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2009100542/02A RU2411297C2 (en) | 2009-01-11 | 2009-01-11 | Procedure for refinement of aluminium from impurities and furnace for implementation of procedure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2009100542/02A RU2411297C2 (en) | 2009-01-11 | 2009-01-11 | Procedure for refinement of aluminium from impurities and furnace for implementation of procedure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RU2009100542A true RU2009100542A (en) | 2010-07-20 |
| RU2411297C2 RU2411297C2 (en) | 2011-02-10 |
Family
ID=42685533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2009100542/02A RU2411297C2 (en) | 2009-01-11 | 2009-01-11 | Procedure for refinement of aluminium from impurities and furnace for implementation of procedure |
Country Status (1)
| Country | Link |
|---|---|
| RU (1) | RU2411297C2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114199021A (en) * | 2021-12-31 | 2022-03-18 | 昆明理工大学 | A device and method for processing low-vanadium titanium-aluminum waste and preparing high-quality aluminum |
| CN115109946A (en) * | 2022-08-01 | 2022-09-27 | 南通雨奇金属制品有限公司 | Aluminum impurity purification device for recovering aluminum scrap |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2483128C2 (en) * | 2011-04-06 | 2013-05-27 | Алексей Иванович Гончаров | Method of removing impurities from aluminium and furnace to this end |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB837016A (en) * | 1956-12-29 | 1960-06-09 | Foundry Flux Ltd | Means for treating molten metals |
| SU1323600A1 (en) * | 1986-02-24 | 1987-07-15 | Уральский политехнический институт им.С.М.Кирова | Flux for refining aluminium alloys |
| PL159608B1 (en) * | 1989-08-11 | 1992-12-31 | Akad Gorniczo Hutnicza | Coating and refining agent for melting zinc, aluminium or their alloys |
| RU2112065C1 (en) * | 1997-04-04 | 1998-05-27 | Акционерное общество открытого типа "Волгоградский алюминий" | Method of refining of aluminum and aluminum-base alloys |
| RU2305712C1 (en) * | 2006-02-02 | 2007-09-10 | Алексей Иванович Гончаров | Method of removal the impurity metals oxides from aluminum at its purification |
-
2009
- 2009-01-11 RU RU2009100542/02A patent/RU2411297C2/en active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114199021A (en) * | 2021-12-31 | 2022-03-18 | 昆明理工大学 | A device and method for processing low-vanadium titanium-aluminum waste and preparing high-quality aluminum |
| CN115109946A (en) * | 2022-08-01 | 2022-09-27 | 南通雨奇金属制品有限公司 | Aluminum impurity purification device for recovering aluminum scrap |
| CN115109946B (en) * | 2022-08-01 | 2023-07-14 | 南通雨奇金属制品有限公司 | Aluminum impurity purification device for recycling waste aluminum |
Also Published As
| Publication number | Publication date |
|---|---|
| RU2411297C2 (en) | 2011-02-10 |
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