US3671029A - Furnace for non-ferrous metals - Google Patents

Furnace for non-ferrous metals Download PDF

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Publication number
US3671029A
US3671029A US44229A US3671029DA US3671029A US 3671029 A US3671029 A US 3671029A US 44229 A US44229 A US 44229A US 3671029D A US3671029D A US 3671029DA US 3671029 A US3671029 A US 3671029A
Authority
US
United States
Prior art keywords
furnace
stirrer
base
ferrous metals
supported
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
US44229A
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English (en)
Inventor
Karl Gosta Karlsson
Jan Olof Gustaf Bostedt
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.)
ABB Norden Holding AB
Original Assignee
ASEA AB
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 ASEA AB filed Critical ASEA AB
Application granted granted Critical
Publication of US3671029A publication Critical patent/US3671029A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • 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
    • H05B6/34—Arrangements for circulation of melts
    • 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
    • C22B4/00—Electrothermal treatment of ores or metallurgical products for obtaining metals or alloys
    • 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
    • H05B2213/00—Aspects relating both to resistive heating and to induction heating, covered by H05B3/00 and H05B6/00
    • H05B2213/02—Stirring of melted material in melting furnaces
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/25—Process efficiency

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Electromagnetism (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Furnace Details (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
  • General Induction Heating (AREA)
  • Crucibles And Fluidized-Bed Furnaces (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Ceramic Products (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
US44229A 1969-06-24 1970-06-08 Furnace for non-ferrous metals Expired - Lifetime US3671029A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE08928/69A SE329883B (zh) 1969-06-24 1969-06-24

Publications (1)

Publication Number Publication Date
US3671029A true US3671029A (en) 1972-06-20

Family

ID=20275389

Family Applications (1)

Application Number Title Priority Date Filing Date
US44229A Expired - Lifetime US3671029A (en) 1969-06-24 1970-06-08 Furnace for non-ferrous metals

Country Status (5)

Country Link
US (1) US3671029A (zh)
JP (1) JPS5013725B1 (zh)
DE (2) DE7022534U (zh)
GB (1) GB1305237A (zh)
SE (1) SE329883B (zh)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4033562A (en) * 1973-06-18 1977-07-05 Asea Aktiebolag Furnace for melting solid ferrous pieces
US4685657A (en) * 1984-09-18 1987-08-11 Shinko Electric Co. Ltd. Melting furnace
US6693950B2 (en) * 2001-05-22 2004-02-17 Inductotherm Corp. Furnace with bottom induction coil
US8701742B2 (en) 2012-09-27 2014-04-22 Apple Inc. Counter-gravity casting of hollow shapes
US8813813B2 (en) 2012-09-28 2014-08-26 Apple Inc. Continuous amorphous feedstock skull melting
US8826968B2 (en) 2012-09-27 2014-09-09 Apple Inc. Cold chamber die casting with melt crucible under vacuum environment
US8858868B2 (en) 2011-08-12 2014-10-14 Crucible Intellectual Property, Llc Temperature regulated vessel
US9004151B2 (en) 2012-09-27 2015-04-14 Apple Inc. Temperature regulated melt crucible for cold chamber die casting
US9314839B2 (en) 2012-07-05 2016-04-19 Apple Inc. Cast core insert out of etchable material
US9346099B2 (en) 2012-10-15 2016-05-24 Crucible Intellectual Property, Llc Unevenly spaced induction coil for molten alloy containment
US9445459B2 (en) 2013-07-11 2016-09-13 Crucible Intellectual Property, Llc Slotted shot sleeve for induction melting of material
US9873151B2 (en) 2014-09-26 2018-01-23 Crucible Intellectual Property, Llc Horizontal skull melt shot sleeve
US9925583B2 (en) 2013-07-11 2018-03-27 Crucible Intellectual Property, Llc Manifold collar for distributing fluid through a cold crucible

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2041333A (en) * 1932-04-09 1936-05-19 Heraeus Vacuumschmelze Ag Apparatus for producing carbonfree metals, alloys, and the like
US2322618A (en) * 1942-03-25 1943-06-22 Mare Baltzar E L De Apparatus for converting high-phosphorus pig iron into high-grade low-phosphorus steel
US2513082A (en) * 1944-11-30 1950-06-27 Asea Ab Induction stirrer
DE886356C (de) * 1951-07-15 1953-08-13 Demag Elektrometallurgie Gmbh Ruehrspulenanordnung fuer elektrische OEfen, insbesondere Lichtbogen- oder Reduktionsoefen
CA525520A (en) * 1956-05-29 Dreyfus Ludwig Metallurgical furnaces having a stirring winding
CA661769A (en) * 1963-04-23 Tostmann Johannes Method and apparatus for electro-magnetic stirring

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA525520A (en) * 1956-05-29 Dreyfus Ludwig Metallurgical furnaces having a stirring winding
CA661769A (en) * 1963-04-23 Tostmann Johannes Method and apparatus for electro-magnetic stirring
US2041333A (en) * 1932-04-09 1936-05-19 Heraeus Vacuumschmelze Ag Apparatus for producing carbonfree metals, alloys, and the like
US2322618A (en) * 1942-03-25 1943-06-22 Mare Baltzar E L De Apparatus for converting high-phosphorus pig iron into high-grade low-phosphorus steel
US2513082A (en) * 1944-11-30 1950-06-27 Asea Ab Induction stirrer
DE886356C (de) * 1951-07-15 1953-08-13 Demag Elektrometallurgie Gmbh Ruehrspulenanordnung fuer elektrische OEfen, insbesondere Lichtbogen- oder Reduktionsoefen

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4033562A (en) * 1973-06-18 1977-07-05 Asea Aktiebolag Furnace for melting solid ferrous pieces
US4685657A (en) * 1984-09-18 1987-08-11 Shinko Electric Co. Ltd. Melting furnace
US6693950B2 (en) * 2001-05-22 2004-02-17 Inductotherm Corp. Furnace with bottom induction coil
US8858868B2 (en) 2011-08-12 2014-10-14 Crucible Intellectual Property, Llc Temperature regulated vessel
US9314839B2 (en) 2012-07-05 2016-04-19 Apple Inc. Cast core insert out of etchable material
US8701742B2 (en) 2012-09-27 2014-04-22 Apple Inc. Counter-gravity casting of hollow shapes
US8826968B2 (en) 2012-09-27 2014-09-09 Apple Inc. Cold chamber die casting with melt crucible under vacuum environment
US9004151B2 (en) 2012-09-27 2015-04-14 Apple Inc. Temperature regulated melt crucible for cold chamber die casting
US9004149B2 (en) 2012-09-27 2015-04-14 Apple Inc. Counter-gravity casting of hollow shapes
US9238266B2 (en) 2012-09-27 2016-01-19 Apple Inc. Cold chamber die casting with melt crucible under vacuum environment
US8813813B2 (en) 2012-09-28 2014-08-26 Apple Inc. Continuous amorphous feedstock skull melting
US9346099B2 (en) 2012-10-15 2016-05-24 Crucible Intellectual Property, Llc Unevenly spaced induction coil for molten alloy containment
US9810482B2 (en) 2012-10-15 2017-11-07 Apple Inc. Inline melt control via RF power
US9841237B2 (en) 2012-10-15 2017-12-12 Crucible Intellectual Property, Llc Unevenly spaced induction coil for molten alloy containment
US10197335B2 (en) 2012-10-15 2019-02-05 Apple Inc. Inline melt control via RF power
US9445459B2 (en) 2013-07-11 2016-09-13 Crucible Intellectual Property, Llc Slotted shot sleeve for induction melting of material
US9925583B2 (en) 2013-07-11 2018-03-27 Crucible Intellectual Property, Llc Manifold collar for distributing fluid through a cold crucible
US10857592B2 (en) 2013-07-11 2020-12-08 Crucible Intellectual Property, LLC. Manifold collar for distributing fluid through a cold crucible
US9873151B2 (en) 2014-09-26 2018-01-23 Crucible Intellectual Property, Llc Horizontal skull melt shot sleeve

Also Published As

Publication number Publication date
DE7022534U (de) 1974-09-19
GB1305237A (zh) 1973-01-31
DE2029577A1 (de) 1972-05-31
JPS5013725B1 (zh) 1975-05-22
SE329883B (zh) 1970-10-26

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