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EP0391067A3 - Device with a metallic crucible - Google Patents

Device with a metallic crucible Download PDF

Info

Publication number
EP0391067A3
EP0391067A3 EP19900103959 EP90103959A EP0391067A3 EP 0391067 A3 EP0391067 A3 EP 0391067A3 EP 19900103959 EP19900103959 EP 19900103959 EP 90103959 A EP90103959 A EP 90103959A EP 0391067 A3 EP0391067 A3 EP 0391067A3
Authority
EP
European Patent Office
Prior art keywords
metal
crucible
metal alloy
coil
dependent
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.)
Granted
Application number
EP19900103959
Other languages
German (de)
French (fr)
Other versions
EP0391067A2 (en
EP0391067B1 (en
Inventor
Otto W. Dr. Stenzel
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.)
ALD Vacuum Technologies GmbH
Original Assignee
Leybold AG
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 Leybold AG filed Critical Leybold AG
Publication of EP0391067A2 publication Critical patent/EP0391067A2/en
Publication of EP0391067A3 publication Critical patent/EP0391067A3/en
Application granted granted Critical
Publication of EP0391067B1 publication Critical patent/EP0391067B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B14/00—Crucible or pot furnaces
    • F27B14/06—Crucible or pot furnaces heated electrically, e.g. induction crucible furnaces with or without any other source of heat
    • F27B14/061—Induction furnaces
    • F27B14/063—Skull melting type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D9/00—Cooling of furnaces or of charges therein
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/22—Furnaces without an endless core
    • H05B6/24—Crucible furnaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B14/00—Crucible or pot furnaces
    • F27B2014/008—Continuous casting

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Crucibles And Fluidized-Bed Furnaces (AREA)
  • Continuous Casting (AREA)
  • Physical Vapour Deposition (AREA)

Abstract

Die Erfindung betrifft eine Einrichtung mit einem Tiegel (4), in dem sich ein Metall oder eine Metall-Legierung befindet, wobei dem Metall bzw. der Metall-Legierung eine induktive Leistungsdichte zugeführt wird, die orts­ abhängig ist. Bei dem Tiegel (4) handelt es sich vorzugsweise um einen gekühlten Tiegel (4) mit Schlitzen (12, 13) im Umfang, der von einer Spule (2) umgeben ist. Der Strahlungsdruck, der auf das Metall oder die Metall-­ Legierung durch das Magnetfeld der Spule (2) ausgeübt wird, ist bei­ spielsweise in der Weise ortsabhängig, daß er dem hydrostatischen Druck des geschmolzenen Metalls oder der geschmolzenen Metall-Legierung ent­ spricht. The invention relates to a device with a crucible (4) in which there is a metal or a metal alloy, the metal or the metal alloy being supplied with an inductive power density which is dependent on the location. The crucible (4) is preferably a cooled crucible (4) with slots (12, 13) in the periphery, which is surrounded by a coil (2). The radiation pressure which is exerted on the metal or the metal alloy by the magnetic field of the coil (2) is location-dependent in example in such a way that it speaks ent the hydrostatic pressure of the molten metal or the molten metal alloy.

EP90103959A 1989-04-04 1990-03-01 Device with a metallic crucible Expired - Lifetime EP0391067B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3910777 1989-04-04
DE3910777A DE3910777C2 (en) 1989-04-04 1989-04-04 Induction furnace with a metal crucible

Publications (3)

Publication Number Publication Date
EP0391067A2 EP0391067A2 (en) 1990-10-10
EP0391067A3 true EP0391067A3 (en) 1992-02-26
EP0391067B1 EP0391067B1 (en) 1996-09-11

Family

ID=6377761

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90103959A Expired - Lifetime EP0391067B1 (en) 1989-04-04 1990-03-01 Device with a metallic crucible

Country Status (4)

Country Link
US (1) US5109389A (en)
EP (1) EP0391067B1 (en)
JP (1) JPH02287091A (en)
DE (2) DE3910777C2 (en)

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JP2722794B2 (en) * 1990-08-01 1998-03-09 富士電機株式会社 Crucible induction furnace with low melting point metal measures
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WO1995022238A1 (en) * 1994-02-11 1995-08-17 Otto Junker Gmbh Process for operating coreless induction melting and/or holding furnaces and electric switching unit suitable therefor
DE4429340C2 (en) * 1994-08-18 2003-04-30 Ald Vacuum Techn Ag Crucibles for inductive melting or overheating of metals, alloys or other electrically conductive materials
US5889813A (en) * 1995-08-25 1999-03-30 Fuji Electric Co., Ltd Levitation melting furnace
DE19622884A1 (en) * 1996-06-07 1997-12-11 Ald Vacuum Techn Gmbh Crucibles for inductive melting or overheating of metals, alloys or other electrically conductive materials
DE19629636A1 (en) * 1996-07-23 1998-01-29 Ald Vacuum Techn Gmbh Induction heating crucible for electrically conductive materials
DE19705458A1 (en) * 1997-02-13 1998-08-20 Leybold Systems Gmbh Crucible for inductive melting or overheating of metals, alloys or other electrically conductive substances
JP4147604B2 (en) * 1997-04-23 2008-09-10 神鋼電機株式会社 Induction heating melting furnace and bottom tapping mechanism
US6289033B1 (en) 1998-12-08 2001-09-11 Concurrent Technologies Corporation Environmentally controlled induction heating system for heat treating metal billets
DE19906597C2 (en) * 1999-02-17 2001-11-22 Maschb Gottlob Thumm Gmbh Use an induction heating device to heat metal parts
DE19909495A1 (en) * 1999-03-04 2000-09-07 Ald Vacuum Techn Ag Melting semiconducting materials, electrically non-conducting materials or alloys involves heating graphite crucible, melting charge by heat transfer, then inductively when charge conductive
DE19939782C1 (en) * 1999-08-21 2001-05-17 Schott Glas Device and method for melting or refining glasses or glass ceramics
EP1883277A1 (en) * 1999-11-12 2008-01-30 Inductotherm Corp. High efficiency induction melting system
US6393044B1 (en) * 1999-11-12 2002-05-21 Inductotherm Corp. High efficiency induction melting system
DE10026921C2 (en) * 2000-05-30 2002-04-11 Ald Vacuum Techn Ag Kitchen sink
JP5078197B2 (en) * 2001-04-27 2012-11-21 シンフォニアテクノロジー株式会社 Induction heating melting furnace
DE10159306A1 (en) * 2001-12-04 2003-06-12 Induga Industrieoefen Und Gies Induction heatable vessel for melting metal and use of this vessel
US7197061B1 (en) * 2003-04-19 2007-03-27 Inductotherm Corp. Directional solidification of a metal
ES2602702T3 (en) * 2004-01-16 2017-02-22 Consarc Corporation Cold crucible induction furnace
PL1718910T3 (en) * 2004-01-17 2017-12-29 Consarc Corporation Cold crucible induction furnace with eddy current damping
US7085305B2 (en) * 2004-08-25 2006-08-01 Battelle Energy Alliance, Llc Induction heating apparatus and methods of operation thereof
US7072378B2 (en) * 2004-08-25 2006-07-04 Battelle Energy Alliance, Llc Induction heating apparatus and methods for selectively energizing an inductor in response to a measured electrical characteristic that is at least partially a function of a temperature of a material being heated
CN101122441B (en) * 2007-09-14 2010-06-23 哈尔滨工业大学 Short cold crucible for continuous melting and directional solidification of slabs
JP5425386B2 (en) * 2007-10-12 2014-02-26 富士電機株式会社 Induction heating device
US8884199B2 (en) * 2007-11-03 2014-11-11 Inductotherm Corp. Electric power system for electric induction heating and melting of materials in a susceptor vessel
CN101671800B (en) * 2008-09-11 2013-02-13 鸿富锦精密工业（深圳）有限公司 Metal heat treatment device and method
TWI463016B (en) * 2008-09-26 2014-12-01 Hon Hai Prec Ind Co Ltd Apparatus and method for heat treatment of metals
CN101782324B (en) * 2010-02-05 2011-09-28 新星化工冶金材料(深圳)有限公司 Electromagnetic induction electric melting furnace for controlling average nominal diameter of TiB2(TiC) particle group in Al-Ti-B (Al-Ti-C) alloy
US8051682B1 (en) * 2010-06-01 2011-11-08 The Boeing Company Apparatus and method for making glass preform with nanofiber reinforcement
JP5787214B2 (en) * 2011-06-08 2015-09-30 株式会社リコー Method for producing electrophotographic carrier
US9544949B2 (en) * 2012-01-23 2017-01-10 Apple Inc. Boat and coil designs
WO2013172481A2 (en) 2012-05-18 2013-11-21 Neturen Co., Ltd. Induction heating system, induction heating method, output monitoring apparatus, output monitoring method, and induction heating apparatus
AP2017009844A0 (en) * 2014-09-09 2017-03-31 Univ Arizona A system, apparatus, and process for leaching metal and storing thermal energy during metal extraction
DE102015219831A1 (en) 2015-10-13 2017-04-13 Forschungszentrum Jülich GmbH Induction furnace, extrusion plant and process
KR101874709B1 (en) * 2016-11-25 2018-08-02 한국수력원자력 주식회사 Cold crucible induction melter including metal oxide barrier and manufacturing method thereof
FR3092655B1 (en) * 2019-02-07 2021-02-12 Inst Polytechnique Grenoble Cold crucible
FR3092656B1 (en) * 2019-02-07 2021-03-19 Inst Polytechnique Grenoble Cold crucible
CN113074549A (en) * 2021-04-26 2021-07-06 洛阳景瑞工业科技有限公司 Anti-cracking method of graphite crucible

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1055715B (en) * 1957-10-12 1959-04-23 Degussa Vacuum induction melting furnace
DE1153134B (en) * 1961-03-22 1963-08-22 Bbc Brown Boveri & Cie Method for the optional operation of an induction crucible furnace as a melting furnace or holding furnace
DE1225787B (en) * 1961-08-30 1966-09-29 Demag Elektrometallurgie Gmbh Mains frequency induction crucible furnace
EP0074871A1 (en) * 1981-09-03 1983-03-23 Compagnie Generale Des Matieres Nucleaires (Cogema) Process for the physical separation of the metallic phase from the slag in an induction furnace
US4738713A (en) * 1986-12-04 1988-04-19 The Duriron Company, Inc. Method for induction melting reactive metals and alloys
DE3703108A1 (en) * 1987-02-03 1988-08-11 Junker Gmbh O METHOD FOR OPERATING A HOT METALIZING OVEN

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Publication number Priority date Publication date Assignee Title
DE1055715B (en) * 1957-10-12 1959-04-23 Degussa Vacuum induction melting furnace
DE1153134B (en) * 1961-03-22 1963-08-22 Bbc Brown Boveri & Cie Method for the optional operation of an induction crucible furnace as a melting furnace or holding furnace
DE1225787B (en) * 1961-08-30 1966-09-29 Demag Elektrometallurgie Gmbh Mains frequency induction crucible furnace
EP0074871A1 (en) * 1981-09-03 1983-03-23 Compagnie Generale Des Matieres Nucleaires (Cogema) Process for the physical separation of the metallic phase from the slag in an induction furnace
US4738713A (en) * 1986-12-04 1988-04-19 The Duriron Company, Inc. Method for induction melting reactive metals and alloys
US4738713B1 (en) * 1986-12-04 1994-01-04 Duriron Company, Inc.
DE3703108A1 (en) * 1987-02-03 1988-08-11 Junker Gmbh O METHOD FOR OPERATING A HOT METALIZING OVEN

Also Published As

Publication number Publication date
EP0391067A2 (en) 1990-10-10
EP0391067B1 (en) 1996-09-11
JPH02287091A (en) 1990-11-27
DE3910777A1 (en) 1990-10-11
DE59010486D1 (en) 1996-10-17
DE3910777C2 (en) 2001-08-09
US5109389A (en) 1992-04-28

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