DE3480855D1 - Verfahren zur entfernung von wasserstoffgas und nichtmetallischen verunreinigungen aus aluminiumschmelzen. - Google Patents
Verfahren zur entfernung von wasserstoffgas und nichtmetallischen verunreinigungen aus aluminiumschmelzen.Info
- Publication number
- DE3480855D1 DE3480855D1 DE8484112667T DE3480855T DE3480855D1 DE 3480855 D1 DE3480855 D1 DE 3480855D1 DE 8484112667 T DE8484112667 T DE 8484112667T DE 3480855 T DE3480855 T DE 3480855T DE 3480855 D1 DE3480855 D1 DE 3480855D1
- Authority
- DE
- Germany
- Prior art keywords
- hydrogen gas
- metal impurities
- removing hydrogen
- aluminum melts
- melts
- 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.)
- Expired - Fee Related
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B21/00—Obtaining aluminium
- C22B21/06—Obtaining aluminium refining
- C22B21/064—Obtaining aluminium refining using inert or reactive gases
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B21/00—Obtaining aluminium
- C22B21/06—Obtaining aluminium refining
- C22B21/066—Treatment of circulating aluminium, e.g. by filtration
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19784883A JPS6089528A (ja) | 1983-10-21 | 1983-10-21 | アルミニウム溶湯の処理方法 |
JP19784783A JPS6053092B2 (ja) | 1983-10-21 | 1983-10-21 | アルミニウム溶湯の処理方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3480855D1 true DE3480855D1 (de) | 1990-02-01 |
Family
ID=26510612
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8484112667T Expired - Fee Related DE3480855D1 (de) | 1983-10-21 | 1984-10-19 | Verfahren zur entfernung von wasserstoffgas und nichtmetallischen verunreinigungen aus aluminiumschmelzen. |
Country Status (4)
Country | Link |
---|---|
US (1) | US4556419A (de) |
EP (1) | EP0142727B1 (de) |
AU (1) | AU549799B2 (de) |
DE (1) | DE3480855D1 (de) |
Families Citing this family (53)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8428251D0 (en) * | 1984-11-08 | 1984-12-19 | Alcan Int Ltd | Treating aluminium |
DE3564449D1 (en) * | 1984-11-29 | 1988-09-22 | Foseco Int | Rotary device, apparatus and method for treating molten metal |
JPS6274030A (ja) * | 1985-09-27 | 1987-04-04 | Showa Alum Corp | アルミニウム溶湯の処理方法 |
JPS62205235A (ja) * | 1986-03-05 | 1987-09-09 | Showa Alum Corp | 溶融金属の処理装置 |
US4959101A (en) * | 1987-06-29 | 1990-09-25 | Aga Ab | Process for degassing aluminum melts with sulfur hexafluoride |
FR2628756B1 (fr) * | 1988-03-15 | 1992-05-22 | Alusuisse France Sa | Dispositif pour eliminer des impuretes presentes sous forme gazeuse et solide dans un produit liquide contenu dans un reservoir |
FR2648154B1 (fr) * | 1989-06-13 | 1992-06-19 | Pechiney Aluminium | Procede et dispositif de degazage et de maintien d'une faible teneur en hydrogene dans les alliages d'aluminium liquides au cours de leur transport dans des poches |
US5147450A (en) * | 1991-07-26 | 1992-09-15 | The Dow Chemical Company | Process for purifying magnesium |
US5397377A (en) * | 1994-01-03 | 1995-03-14 | Eckert; C. Edward | Molten metal fluxing system |
US5678807A (en) * | 1995-06-13 | 1997-10-21 | Cooper; Paul V. | Rotary degasser |
US5944496A (en) * | 1996-12-03 | 1999-08-31 | Cooper; Paul V. | Molten metal pump with a flexible coupling and cement-free metal-transfer conduit connection |
US5951243A (en) * | 1997-07-03 | 1999-09-14 | Cooper; Paul V. | Rotor bearing system for molten metal pumps |
US6027685A (en) * | 1997-10-15 | 2000-02-22 | Cooper; Paul V. | Flow-directing device for molten metal pump |
US5935295A (en) * | 1997-10-16 | 1999-08-10 | Megy; Joseph A. | Molten aluminum treatment |
US6093000A (en) | 1998-08-11 | 2000-07-25 | Cooper; Paul V | Molten metal pump with monolithic rotor |
US6303074B1 (en) | 1999-05-14 | 2001-10-16 | Paul V. Cooper | Mixed flow rotor for molten metal pumping device |
WO2001006023A1 (en) * | 1999-07-15 | 2001-01-25 | Hatch Associates Ltd. | Method and system of protecting easily oxidized metals melts like molten magnesium by 'in situ' generation of boron trifluoride gas |
US6689310B1 (en) | 2000-05-12 | 2004-02-10 | Paul V. Cooper | Molten metal degassing device and impellers therefor |
US6723276B1 (en) | 2000-08-28 | 2004-04-20 | Paul V. Cooper | Scrap melter and impeller |
DE10157722A1 (de) * | 2001-11-24 | 2003-06-05 | Bayerische Motoren Werke Ag | Reinigung von Aluminium-Gusslegierungen |
AU2003208106A1 (en) * | 2002-02-04 | 2003-09-02 | Sharp Kabushiki Kaisha | Silicon purifying method, slag for purifying silicon, and purified silicon |
US7731891B2 (en) | 2002-07-12 | 2010-06-08 | Cooper Paul V | Couplings for molten metal devices |
US7402276B2 (en) | 2003-07-14 | 2008-07-22 | Cooper Paul V | Pump with rotating inlet |
US20050013715A1 (en) | 2003-07-14 | 2005-01-20 | Cooper Paul V. | System for releasing gas into molten metal |
US7470392B2 (en) | 2003-07-14 | 2008-12-30 | Cooper Paul V | Molten metal pump components |
US20070253807A1 (en) | 2006-04-28 | 2007-11-01 | Cooper Paul V | Gas-transfer foot |
US7906068B2 (en) | 2003-07-14 | 2011-03-15 | Cooper Paul V | Support post system for molten metal pump |
US9409232B2 (en) | 2007-06-21 | 2016-08-09 | Molten Metal Equipment Innovations, Llc | Molten metal transfer vessel and method of construction |
US8366993B2 (en) | 2007-06-21 | 2013-02-05 | Cooper Paul V | System and method for degassing molten metal |
US9205490B2 (en) | 2007-06-21 | 2015-12-08 | Molten Metal Equipment Innovations, Llc | Transfer well system and method for making same |
US9643247B2 (en) | 2007-06-21 | 2017-05-09 | Molten Metal Equipment Innovations, Llc | Molten metal transfer and degassing system |
US8613884B2 (en) | 2007-06-21 | 2013-12-24 | Paul V. Cooper | Launder transfer insert and system |
US9410744B2 (en) | 2010-05-12 | 2016-08-09 | Molten Metal Equipment Innovations, Llc | Vessel transfer insert and system |
US9156087B2 (en) | 2007-06-21 | 2015-10-13 | Molten Metal Equipment Innovations, Llc | Molten metal transfer system and rotor |
US8337746B2 (en) | 2007-06-21 | 2012-12-25 | Cooper Paul V | Transferring molten metal from one structure to another |
US8524146B2 (en) | 2009-08-07 | 2013-09-03 | Paul V. Cooper | Rotary degassers and components therefor |
US8444911B2 (en) | 2009-08-07 | 2013-05-21 | Paul V. Cooper | Shaft and post tensioning device |
US8535603B2 (en) | 2009-08-07 | 2013-09-17 | Paul V. Cooper | Rotary degasser and rotor therefor |
US8449814B2 (en) | 2009-08-07 | 2013-05-28 | Paul V. Cooper | Systems and methods for melting scrap metal |
US10428821B2 (en) | 2009-08-07 | 2019-10-01 | Molten Metal Equipment Innovations, Llc | Quick submergence molten metal pump |
US8714914B2 (en) | 2009-09-08 | 2014-05-06 | Paul V. Cooper | Molten metal pump filter |
US9108244B2 (en) | 2009-09-09 | 2015-08-18 | Paul V. Cooper | Immersion heater for molten metal |
US9903383B2 (en) | 2013-03-13 | 2018-02-27 | Molten Metal Equipment Innovations, Llc | Molten metal rotor with hardened top |
US9011761B2 (en) | 2013-03-14 | 2015-04-21 | Paul V. Cooper | Ladle with transfer conduit |
US10052688B2 (en) | 2013-03-15 | 2018-08-21 | Molten Metal Equipment Innovations, Llc | Transfer pump launder system |
US10138892B2 (en) | 2014-07-02 | 2018-11-27 | Molten Metal Equipment Innovations, Llc | Rotor and rotor shaft for molten metal |
US10947980B2 (en) | 2015-02-02 | 2021-03-16 | Molten Metal Equipment Innovations, Llc | Molten metal rotor with hardened blade tips |
US10267314B2 (en) | 2016-01-13 | 2019-04-23 | Molten Metal Equipment Innovations, Llc | Tensioned support shaft and other molten metal devices |
CN105665681A (zh) * | 2016-02-01 | 2016-06-15 | 浙江天宁合金材料有限公司 | 用于向母液中投加微量元素的容器及投加微量元素的方法 |
US11149747B2 (en) | 2017-11-17 | 2021-10-19 | Molten Metal Equipment Innovations, Llc | Tensioned support post and other molten metal devices |
US11358216B2 (en) | 2019-05-17 | 2022-06-14 | Molten Metal Equipment Innovations, Llc | System for melting solid metal |
CN112301250B (zh) * | 2020-11-03 | 2022-04-08 | 北京航星机器制造有限公司 | 一种精炼剂的添加装置和添加方法 |
US11873845B2 (en) | 2021-05-28 | 2024-01-16 | Molten Metal Equipment Innovations, Llc | Molten metal transfer device |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE560483A (de) * | ||||
US2085697A (en) * | 1933-08-05 | 1937-06-29 | Nat Smelting Co | Method for treating aluminum and aluminum alloys |
FR809443A (fr) * | 1935-11-21 | 1937-03-03 | Procédé d'épuration de l'aluminium | |
GB624479A (en) * | 1947-03-06 | 1949-06-09 | Foundry Services Ltd | Improvements in or relating to treatment of molten metals and molten alloys |
US2654670A (en) * | 1950-04-01 | 1953-10-06 | Pennsylvania Salt Mfg Co | Flux for treating aluminum and aluminum alloys |
GB803493A (en) * | 1956-05-23 | 1958-10-29 | Foundry Services Ltd | Improvements in or relating to the degassing of metals and alloys |
US2965477A (en) * | 1956-09-24 | 1960-12-20 | Foundry Services Int Ltd | Treatment of molten metals |
GB872173A (en) * | 1957-10-31 | 1961-07-05 | Foundry Services Ltd | Improvements in or relating to the treatment of molten metals and products therefor |
US3159478A (en) * | 1960-07-28 | 1964-12-01 | Chemetron Corp | Process and apparatus for treating molten metals |
BE756091A (fr) * | 1969-09-12 | 1971-02-15 | Britsh Aluminium Cy Ltd | Procede et dispositif pour le traitement de metal |
US3870511A (en) * | 1971-12-27 | 1975-03-11 | Union Carbide Corp | Process for refining molten aluminum |
US3854934A (en) * | 1973-06-18 | 1974-12-17 | Alusuisse | Purification of molten aluminum and alloys |
US3955970A (en) * | 1974-04-08 | 1976-05-11 | Aluminum Company Of America | Continuous melting of aluminum scrap |
JPS5672143A (en) * | 1979-11-14 | 1981-06-16 | Showa Alum Ind Kk | Calcium removing method for aluminum or its alloy |
US4392888A (en) * | 1982-01-07 | 1983-07-12 | Aluminum Company Of America | Metal treatment system |
-
1984
- 1984-10-19 US US06/663,056 patent/US4556419A/en not_active Expired - Fee Related
- 1984-10-19 EP EP84112667A patent/EP0142727B1/de not_active Expired
- 1984-10-19 DE DE8484112667T patent/DE3480855D1/de not_active Expired - Fee Related
- 1984-10-22 AU AU34545/84A patent/AU549799B2/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
EP0142727B1 (de) | 1989-12-27 |
US4556419A (en) | 1985-12-03 |
AU549799B2 (en) | 1986-02-13 |
AU3454584A (en) | 1985-04-26 |
EP0142727A1 (de) | 1985-05-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |