EP3045567B1 - Methode pour la fabrication et le décapage des barres en aluminium - Google Patents
Methode pour la fabrication et le décapage des barres en aluminium Download PDFInfo
- Publication number
- EP3045567B1 EP3045567B1 EP16151146.4A EP16151146A EP3045567B1 EP 3045567 B1 EP3045567 B1 EP 3045567B1 EP 16151146 A EP16151146 A EP 16151146A EP 3045567 B1 EP3045567 B1 EP 3045567B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- bar
- pickling
- solution
- treatment
- plant
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000005554 pickling Methods 0.000 title claims description 38
- 238000000034 method Methods 0.000 title claims description 35
- 229910052782 aluminium Inorganic materials 0.000 title claims description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims description 9
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 19
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 18
- 230000008569 process Effects 0.000 claims description 13
- 238000004140 cleaning Methods 0.000 claims description 10
- 230000032683 aging Effects 0.000 claims description 8
- 239000004411 aluminium Substances 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 229910000838 Al alloy Inorganic materials 0.000 claims description 4
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 claims description 4
- 239000011975 tartaric acid Substances 0.000 claims description 4
- 235000002906 tartaric acid Nutrition 0.000 claims description 4
- 230000004913 activation Effects 0.000 claims description 3
- 238000007654 immersion Methods 0.000 claims 1
- 238000003754 machining Methods 0.000 claims 1
- 241000196324 Embryophyta Species 0.000 description 24
- 229910052751 metal Inorganic materials 0.000 description 9
- 239000002184 metal Substances 0.000 description 9
- 150000007524 organic acids Chemical class 0.000 description 7
- 238000000576 coating method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 239000011265 semifinished product Substances 0.000 description 3
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 description 2
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 2
- 238000001311 chemical methods and process Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 229940072033 potash Drugs 0.000 description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
- 235000015320 potassium carbonate Nutrition 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 229910000789 Aluminium-silicon alloy Inorganic materials 0.000 description 1
- 244000248349 Citrus limon Species 0.000 description 1
- 235000005979 Citrus limon Nutrition 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- KMWBBMXGHHLDKL-UHFFFAOYSA-N [AlH3].[Si] Chemical compound [AlH3].[Si] KMWBBMXGHHLDKL-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical class OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000007822 coupling agent Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005496 eutectics Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000002778 food additive Substances 0.000 description 1
- 235000013373 food additive Nutrition 0.000 description 1
- 235000011389 fruit/vegetable juice Nutrition 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052752 metalloid Inorganic materials 0.000 description 1
- 150000002738 metalloids Chemical class 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000011236 particulate material Substances 0.000 description 1
- 108091008695 photoreceptors Proteins 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 231100000027 toxicology Toxicity 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/12—Light metals
- C23G1/125—Light metals aluminium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C35/00—Removing work or waste from extruding presses; Drawing-off extruded work; Cleaning dies, ducts, containers, or mandrels
- B21C35/02—Removing or drawing-off work
- B21C35/023—Work treatment directly following extrusion, e.g. further deformation or surface treatment
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G3/00—Apparatus for cleaning or pickling metallic material
- C23G3/02—Apparatus for cleaning or pickling metallic material for cleaning wires, strips, filaments continuously
- C23G3/021—Apparatus for cleaning or pickling metallic material for cleaning wires, strips, filaments continuously by dipping
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G3/00—Apparatus for cleaning or pickling metallic material
- C23G3/02—Apparatus for cleaning or pickling metallic material for cleaning wires, strips, filaments continuously
- C23G3/023—Apparatus for cleaning or pickling metallic material for cleaning wires, strips, filaments continuously by spraying
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G3/00—Apparatus for cleaning or pickling metallic material
- C23G3/02—Apparatus for cleaning or pickling metallic material for cleaning wires, strips, filaments continuously
- C23G3/027—Associated apparatus, e.g. for pretreating or after-treating
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G3/00—Apparatus for cleaning or pickling metallic material
- C23G3/02—Apparatus for cleaning or pickling metallic material for cleaning wires, strips, filaments continuously
- C23G3/027—Associated apparatus, e.g. for pretreating or after-treating
- C23G3/028—Associated apparatus, e.g. for pretreating or after-treating for thermal or mechanical pretreatment
Definitions
- the present invention relates to a method for the production of aluminium or aluminium alloy bars.
- the pickling takes place in subsequent stages: for example, a first stage of washing with soda is followed by rinsing in water, then further washing in acid and further rinsing in water.
- the heating furnace is suitable to heat the semi-finished product 4a up to a predefined temperature, generally comprised between 200 - 650°C; a heated billet 4b comes out of the furnace 2.
- a plant 100 comprises a heating furnace 102 supplied with the semi-finished starting product 4a; the heating furnace 102 is suitable to heat the semi-finished product 4a up to a predefined temperature, generally comprised between 200-650°C; a heated billet 4b comes out of the furnace 102.
- the plant 100 comprises a main tank 108, downstream of the press 106 and the solution heat treatment furnace 105, and movement means 110, for example a conveyor belt, suitable to move the annealed bar 4f from the solution heat treatment furnace 105 inside the main tank 108.
- movement means 110 for example a conveyor belt, suitable to move the annealed bar 4f from the solution heat treatment furnace 105 inside the main tank 108.
- the plant comprises a closed circuit, which the main tank is part of, for the recirculation and topping up of the solution.
- the system comprises an open circuit, which the main tank is part of, for the drainage of the solution outside the plant, for example in a purifier.
- the appropriate solution for performing the simultaneous hardening and pickling or pickling only comprises water and a predefined amount of an organic acid.
- the organic acid is selected from the group comprising citric acid and tartaric acid or combinations thereof.
- both the bar and the solution are sufficiently “hot”.
Claims (7)
- Méthode pour la production d'une barre en aluminium ou en alliage d'aluminium, dans laquelle une barre extrudée (4e) subit un traitement thermique de mise en solution dans un four de traitement thermique de mise en solution (105), ce traitement chauffe la barre jusqu'à une température entre 350 et 600 °C ;dans laquelle un traitement de décapage et/ou de nettoyage de la barre, après un traitement thermique de mise en solution (4f), est alors réalisé en utilisant une solution d'eau et d'acide citrique ou d'eau et d'acide tartrique ou des combinaisons de ceux-ci, ayant atteint un état d'activation du procédé de décapage ;dans laquelle à la fois le traitement de décapage et un traitement de durcissement de la barre, après un traitement thermique de mise en solution (4f), sont réalisés simultanément.
- Méthode selon la revendication 1, dans laquelle la barre est durcie directement après un usinage par une presse (6).
- Méthode selon l'une quelconque des revendications 1 à 2, comprenant un traitement de vieillissement effectué sur la barre durcie et décapée.
- Méthode selon l'une quelconque des revendications précédentes, dans laquelle le traitement de décapage est réalisé par immersion dans une cuve principale (8, 108, 208) contenant la solution.
- Méthode selon l'une quelconque des revendications 1 à 3, dans laquelle le traitement de décapage a lieu en utilisant des moyens gicleurs (308) qui frappent la barre avec la solution.
- Méthode selon l'une quelconque des revendications précédentes, dans laquelle le traitement de décapage a lieu dans un circuit fermé pour la recirculation de la solution.
- Méthode selon l'une quelconque des revendications 1 à 5, dans laquelle le traitement de décapage a lieu dans un circuit ouvert pour le déversement de la solution.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITBS20150005 | 2015-01-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3045567A1 EP3045567A1 (fr) | 2016-07-20 |
EP3045567B1 true EP3045567B1 (fr) | 2022-08-31 |
Family
ID=52597056
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16151146.4A Active EP3045567B1 (fr) | 2015-01-16 | 2016-01-13 | Methode pour la fabrication et le décapage des barres en aluminium |
Country Status (1)
Country | Link |
---|---|
EP (1) | EP3045567B1 (fr) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10123736A (ja) * | 1996-10-23 | 1998-05-15 | Mitsubishi Chem Corp | 電子写真感光体の製造方法 |
US5909742A (en) * | 1993-03-26 | 1999-06-08 | Betzdearborn Inc. | Metal cleaning method |
EP2369020A1 (fr) * | 2010-03-16 | 2011-09-28 | Z.A.T. Zinc Anticorosion Technologies SA | Procédé de traitement d'un élément métallique pour une automobile |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1427043A (fr) * | 1964-12-02 | 1966-02-04 | Pechiney Prod Chimiques Sa | Procédé d'obtention de coloration spéciale des alliages d'aluminium-silicium |
NL154561B (nl) * | 1965-04-27 | 1977-09-15 | Lancy Lab | Werkwijze voor het verwijderen van koper(i)oxyde en koper(ii)oxyde van een voorwerp met een oppervlak van koper of een koperlegering, werkwijze voor het bereiden van een hiervoor toe te passen beitsvloeistof en de door toepassing van deze beitswerkwijze verkregen voorwerpen. |
BE790448A (fr) * | 1971-01-13 | 1973-02-15 | Southwire Co | Dispositif de refroidissement pour train de |
GB1394694A (en) * | 1971-10-28 | 1975-05-21 | Montedison Spa | Lead acid accumulator or storage battery with supporting and/or connecting parts made of lihgt alloys |
CH569533A5 (fr) * | 1974-05-20 | 1975-11-28 | Leichtmetall Gmbh | |
CN201419234Y (zh) * | 2009-05-19 | 2010-03-10 | 贾国荣 | 一种上引法无氧铝杆连铸生产线 |
CN101767124B (zh) * | 2009-12-23 | 2011-09-07 | 台山市金桥铝型材厂有限公司 | 一种铝材刷棒装置 |
CN202398636U (zh) * | 2012-04-28 | 2012-08-29 | 天津市津和双金属线材有限公司 | 一种铝杆乳化液清洗装置 |
CN203754788U (zh) * | 2014-03-27 | 2014-08-06 | 湖南创元铝业有限公司 | 圆铝杆的清洗和冷却装置 |
-
2016
- 2016-01-13 EP EP16151146.4A patent/EP3045567B1/fr active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5909742A (en) * | 1993-03-26 | 1999-06-08 | Betzdearborn Inc. | Metal cleaning method |
JPH10123736A (ja) * | 1996-10-23 | 1998-05-15 | Mitsubishi Chem Corp | 電子写真感光体の製造方法 |
EP2369020A1 (fr) * | 2010-03-16 | 2011-09-28 | Z.A.T. Zinc Anticorosion Technologies SA | Procédé de traitement d'un élément métallique pour une automobile |
Also Published As
Publication number | Publication date |
---|---|
EP3045567A1 (fr) | 2016-07-20 |
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