CA2305741A1 - Apparatus and method for the secondary refinement of metals - Google Patents

Apparatus and method for the secondary refinement of metals Download PDF

Info

Publication number
CA2305741A1
CA2305741A1 CA002305741A CA2305741A CA2305741A1 CA 2305741 A1 CA2305741 A1 CA 2305741A1 CA 002305741 A CA002305741 A CA 002305741A CA 2305741 A CA2305741 A CA 2305741A CA 2305741 A1 CA2305741 A1 CA 2305741A1
Authority
CA
Canada
Prior art keywords
vessel
bath
paddle
metal
slag
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.)
Abandoned
Application number
CA002305741A
Other languages
English (en)
French (fr)
Inventor
Louis Johannes Fourie
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.)
Ipcor NV
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2305741A1 publication Critical patent/CA2305741A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27DDETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D27/00Stirring devices for molten material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D1/00Treatment of fused masses in the ladle or the supply runners before casting
    • B22D1/002Treatment with gases
    • B22D1/005Injection assemblies therefor
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B9/00General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
    • C22B9/003General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals by induction
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B14/00Crucible or pot furnaces
    • F27B14/06Crucible or pot furnaces heated electrically, e.g. induction crucible furnaces with or without any other source of heat
    • F27B14/061Induction furnaces
    • F27B14/065Channel type
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27DDETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00Charging; Discharging; Manipulation of charge
    • F27D3/18Charging particulate material using a fluid carrier
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27DDETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00Charging; Discharging; Manipulation of charge
    • F27D3/16Introducing a fluid jet or current into the charge
    • F27D2003/161Introducing a fluid jet or current into the charge through a porous element
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27DDETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D99/00Subject matter not provided for in other groups of this subclass
    • F27D99/0001Heating elements or systems
    • F27D99/0006Electric heating elements or system
    • F27D2099/0021Arc heating
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27DDETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D99/00Subject matter not provided for in other groups of this subclass
    • F27D99/0001Heating elements or systems
    • F27D99/0006Electric heating elements or system
    • F27D2099/0031Plasma-torch heating
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27DDETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00Charging; Discharging; Manipulation of charge
    • F27D3/14Charging or discharging liquid or molten material
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27DDETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00Charging; Discharging; Manipulation of charge
    • F27D3/15Tapping equipment; Equipment for removing or retaining slag
    • F27D3/1545Equipment for removing or retaining slag
    • F27D3/1554Equipment for removing or retaining slag for removing the slag from the surface of the melt
    • F27D3/1563Equipment for removing or retaining slag for removing the slag from the surface of the melt by the use of scrapers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27DDETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D7/00Forming, maintaining, or circulating atmospheres in heating chambers
    • F27D7/02Supplying steam, vapour, gases, or liquids
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/25Process efficiency

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
  • Manufacture And Refinement Of Metals (AREA)
CA002305741A 1998-08-07 1999-07-28 Apparatus and method for the secondary refinement of metals Abandoned CA2305741A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ZA987125 1998-08-07
ZA98/7125 1998-08-07
PCT/IB1999/001334 WO2000008216A1 (en) 1998-08-07 1999-07-28 Apparatus and method for the secondary refinement of metals

Publications (1)

Publication Number Publication Date
CA2305741A1 true CA2305741A1 (en) 2000-02-17

Family

ID=25587196

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002305741A Abandoned CA2305741A1 (en) 1998-08-07 1999-07-28 Apparatus and method for the secondary refinement of metals

Country Status (12)

Country Link
EP (1) EP1021571A1 (tr)
JP (1) JP2002522634A (tr)
CN (1) CN1274390A (tr)
AU (1) AU4642699A (tr)
BG (1) BG104298A (tr)
BR (1) BR9906673A (tr)
CA (1) CA2305741A1 (tr)
PL (1) PL339670A1 (tr)
SK (1) SK5082000A3 (tr)
TR (1) TR200000919T1 (tr)
TW (1) TW446753B (tr)
WO (1) WO2000008216A1 (tr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE381586B (sv) * 1973-08-23 1975-12-15 Asea Ab Sett och anordning vid avgjutning av smelta fran en tippbar konverter
SE448741B (sv) * 1980-12-23 1987-03-16 Asea Ab Forfaringssett och anordning vid avsvavling av tackjern i torped
CA1328563C (en) * 1986-06-12 1994-04-19 Paul Metz Method of treating metal melts and apparatus for carrying out the method
JPH08269517A (ja) * 1995-03-28 1996-10-15 Kobe Steel Ltd 混銑車の溶銑予備処理方法及びその溶銑予備処理装置

Also Published As

Publication number Publication date
WO2000008216A1 (en) 2000-02-17
PL339670A1 (en) 2001-01-02
TW446753B (en) 2001-07-21
BR9906673A (pt) 2000-08-29
EP1021571A1 (en) 2000-07-26
SK5082000A3 (en) 2000-10-09
AU4642699A (en) 2000-02-28
BG104298A (en) 2000-08-31
TR200000919T1 (tr) 2000-11-21
JP2002522634A (ja) 2002-07-23
CN1274390A (zh) 2000-11-22

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Legal Events

Date Code Title Description
FZDE Dead