DE3381940D1 - Verfahren zur metallbehandlung. - Google Patents

Verfahren zur metallbehandlung.

Info

Publication number
DE3381940D1
DE3381940D1 DE8383100104T DE3381940T DE3381940D1 DE 3381940 D1 DE3381940 D1 DE 3381940D1 DE 8383100104 T DE8383100104 T DE 8383100104T DE 3381940 T DE3381940 T DE 3381940T DE 3381940 D1 DE3381940 D1 DE 3381940D1
Authority
DE
Germany
Prior art keywords
treatment
treatment method
method treatment
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 - Lifetime
Application number
DE8383100104T
Other languages
English (en)
Inventor
Charles Edward Eckert
Ronald Eldon Miller
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Howmet Aerospace Inc
Original Assignee
Aluminum Company of America
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Aluminum Company of America filed Critical Aluminum Company of America
Application granted granted Critical
Publication of DE3381940D1 publication Critical patent/DE3381940D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
    • C22B9/05—Refining by treating with gases, e.g. gas flushing also refining by means of a material generating gas in situ
    • C22B9/055—Refining by treating with gases, e.g. gas flushing also refining by means of a material generating gas in situ while the metal is circulating, e.g. combined with filtration
    • 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)
DE8383100104T 1982-01-07 1983-01-07 Verfahren zur metallbehandlung. Expired - Lifetime DE3381940D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/337,529 US4392888A (en) 1982-01-07 1982-01-07 Metal treatment system

Publications (1)

Publication Number Publication Date
DE3381940D1 true DE3381940D1 (de) 1990-11-22

Family

ID=23320899

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8383100104T Expired - Lifetime DE3381940D1 (de) 1982-01-07 1983-01-07 Verfahren zur metallbehandlung.

Country Status (8)

Country Link
US (1) US4392888A (de)
EP (1) EP0083936B1 (de)
JP (1) JPS58123841A (de)
AU (1) AU557171B2 (de)
BR (1) BR8300051A (de)
DE (1) DE3381940D1 (de)
MX (1) MX159765A (de)
NO (1) NO162621C (de)

Families Citing this family (54)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6031611A (ja) * 1983-07-29 1985-02-18 Fanuc Ltd 加工軌跡制御プログラムの検査方法
EP0142727B1 (de) * 1983-10-21 1989-12-27 Showa Aluminum Corporation Verfahren zur Entfernung von Wasserstoffgas und nichtmetallischen Verunreinigungen aus Aluminiumschmelzen
NO155447C (no) * 1984-01-25 1987-04-01 Ardal Og Sunndal Verk Anordning ved anlegg for behandling av en vaeske, f.eks. en aluminiumssmelte.
US4634560A (en) * 1984-02-29 1987-01-06 Aluminum Company Of America Aspirator pump and metering device
US4634559A (en) * 1984-02-29 1987-01-06 Aluminum Company Of America Fluid flow control process
GB8428251D0 (en) * 1984-11-08 1984-12-19 Alcan Int Ltd Treating aluminium
JPS6274030A (ja) * 1985-09-27 1987-04-04 Showa Alum Corp アルミニウム溶湯の処理方法
US4954167A (en) * 1988-07-22 1990-09-04 Cooper Paul V Dispersing gas into molten metal
US4898367A (en) * 1988-07-22 1990-02-06 The Stemcor Corporation Dispersing gas into molten metal
US5143357A (en) * 1990-11-19 1992-09-01 The Carborundum Company Melting metal particles and dispersing gas with vaned impeller
JP3242918B2 (ja) * 1991-03-06 2001-12-25 レール・リキード・ソシエテ・アノニム・プール・レテュード・エ・レクスプロワタシオン・デ・プロセデ・ジョルジュ・クロード エキシマレーザーのガス耐用寿命を延長する方法
GB9216666D0 (en) * 1992-08-06 1992-09-23 Electricity Ass Tech A process for the destruction of halocarbons
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
FR2784608B1 (fr) * 1998-10-15 2000-12-08 Pechiney Rhenalu Cuve de traitement de metal liquide basculante et son dispositif de liaison etanche avec une goulotte fixe
US6303074B1 (en) 1999-05-14 2001-10-16 Paul V. Cooper Mixed flow rotor for molten metal pumping device
US6682585B2 (en) 2000-02-07 2004-01-27 Air Products And Chemicals, Inc. Refining nonferrous metals and alloys with gases having reduced global warming potential
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
US20050013715A1 (en) 2003-07-14 2005-01-20 Cooper Paul V. System for releasing gas into molten metal
US20070253807A1 (en) 2006-04-28 2007-11-01 Cooper Paul V Gas-transfer foot
US7470392B2 (en) 2003-07-14 2008-12-30 Cooper Paul V Molten metal pump components
US7402276B2 (en) 2003-07-14 2008-07-22 Cooper Paul V Pump with rotating inlet
US7731891B2 (en) 2002-07-12 2010-06-08 Cooper Paul V Couplings for molten metal devices
US7906068B2 (en) 2003-07-14 2011-03-15 Cooper Paul V Support post system for molten metal pump
US20060008403A1 (en) * 2004-07-09 2006-01-12 Clean Technologies International Corporation Reactant liquid system for facilitating the production of carbon nanostructures
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
US8613884B2 (en) 2007-06-21 2013-12-24 Paul V. Cooper Launder transfer insert and system
US9205490B2 (en) 2007-06-21 2015-12-08 Molten Metal Equipment Innovations, Llc Transfer well system and method for making same
US8366993B2 (en) 2007-06-21 2013-02-05 Cooper Paul V System and method for degassing molten metal
US8337746B2 (en) 2007-06-21 2012-12-25 Cooper Paul V Transferring molten metal from one structure to another
US9643247B2 (en) 2007-06-21 2017-05-09 Molten Metal Equipment Innovations, Llc Molten metal transfer and degassing system
US9409232B2 (en) 2007-06-21 2016-08-09 Molten Metal Equipment Innovations, Llc Molten metal transfer vessel and method of construction
US10428821B2 (en) 2009-08-07 2019-10-01 Molten Metal Equipment Innovations, Llc Quick submergence molten metal pump
US8449814B2 (en) 2009-08-07 2013-05-28 Paul V. Cooper Systems and methods for melting scrap metal
US8535603B2 (en) 2009-08-07 2013-09-17 Paul V. Cooper Rotary degasser and rotor therefor
US8444911B2 (en) 2009-08-07 2013-05-21 Paul V. Cooper Shaft and post tensioning device
US8524146B2 (en) 2009-08-07 2013-09-03 Paul V. Cooper Rotary degassers and components therefor
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
US10465688B2 (en) 2014-07-02 2019-11-05 Molten Metal Equipment Innovations, Llc Coupling and rotor shaft for molten metal devices
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
US11149747B2 (en) 2017-11-17 2021-10-19 Molten Metal Equipment Innovations, Llc Tensioned support post and other molten metal devices
US11471938B2 (en) 2019-05-17 2022-10-18 Molten Metal Equipment Innovations, Llc Smart molten metal pump
US11873845B2 (en) 2021-05-28 2024-01-16 Molten Metal Equipment Innovations, Llc Molten metal transfer device

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1998467A (en) * 1934-06-30 1935-04-23 Aluminum Co Of America Method of treating aluminum-base alloys
US2056234A (en) * 1935-01-10 1936-10-06 Aluminum Co Of America Degassing molten aluminum and its alloys
GB712900A (en) * 1951-01-10 1954-08-04 Harborough Construction Compan Improvements in and connected with the treatment of aluminium alloys
FR1254899A (fr) * 1960-04-27 1961-02-24 Foundry Services Int Ltd Procédé de dégazage de métaux ou alliages fondus
US3149960A (en) * 1960-11-02 1964-09-22 Reynolds Metals Co Aluminum degassing system
ES365009A1 (es) * 1968-03-21 1971-01-16 Alloys And Chemical Corp Un procedimiento para eliminar las impurezas del aluminio.
US3839019A (en) * 1972-09-18 1974-10-01 Aluminum Co Of America Purification of aluminum with turbine blade agitation
US3972709A (en) * 1973-06-04 1976-08-03 Southwire Company Method for dispersing gas into a molten metal
US3854934A (en) * 1973-06-18 1974-12-17 Alusuisse Purification of molten aluminum and alloys
US3958980A (en) * 1974-11-08 1976-05-25 Union Carbide Corporation Process for removing alkali-metal impurities from molten aluminum
US3975187A (en) * 1975-02-13 1976-08-17 Reynolds Metals Company Treatment of carbothermically produced aluminum
US3958981A (en) * 1975-04-16 1976-05-25 Southwire Company Process for degassing aluminum and aluminum alloys
DE2841039A1 (de) * 1978-09-21 1980-04-03 Baumgaertel Helmut Verfahren zur halogenierung und/oder reduktion und zersetzung von metallen, halbmetallen sowie deren verbindungen

Also Published As

Publication number Publication date
EP0083936A2 (de) 1983-07-20
US4392888A (en) 1983-07-12
AU1007283A (en) 1983-07-14
NO830021L (no) 1983-07-08
NO162621C (no) 1990-01-24
NO162621B (no) 1989-10-16
BR8300051A (pt) 1983-09-20
AU557171B2 (en) 1986-12-11
JPH0319288B2 (de) 1991-03-14
EP0083936A3 (en) 1986-01-29
JPS58123841A (ja) 1983-07-23
MX159765A (es) 1989-08-17
EP0083936B1 (de) 1990-10-17

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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