DE3711528A1 - Verfahren zur behandlung einer stahlschmelze - Google Patents

Verfahren zur behandlung einer stahlschmelze

Info

Publication number
DE3711528A1
DE3711528A1 DE3711528A DE3711528A DE3711528A1 DE 3711528 A1 DE3711528 A1 DE 3711528A1 DE 3711528 A DE3711528 A DE 3711528A DE 3711528 A DE3711528 A DE 3711528A DE 3711528 A1 DE3711528 A1 DE 3711528A1
Authority
DE
Germany
Prior art keywords
molten steel
steel
melt
gas
atmosphere
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
DE3711528A
Other languages
German (de)
English (en)
Other versions
DE3711528C2 (https=
Inventor
Charles W Finkl
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.)
Finkl & Sons Co
Original Assignee
Finkl & Sons Co
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 Finkl & Sons Co filed Critical Finkl & Sons Co
Publication of DE3711528A1 publication Critical patent/DE3711528A1/de
Application granted granted Critical
Publication of DE3711528C2 publication Critical patent/DE3711528C2/de
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/52—Manufacture of steel in electric furnaces
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/10—Handling in a vacuum
    • 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
    • Y02P10/20—Recycling

Landscapes

  • Chemical & Material Sciences (AREA)
  • 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)
DE3711528A 1986-05-01 1987-04-06 Verfahren zur behandlung einer stahlschmelze Granted DE3711528A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/859,851 US4655826A (en) 1985-02-01 1986-05-01 Method for post-melting treatment of molten steel

Publications (2)

Publication Number Publication Date
DE3711528A1 true DE3711528A1 (de) 1988-04-14
DE3711528C2 DE3711528C2 (https=) 1990-09-20

Family

ID=25331874

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3711528A Granted DE3711528A1 (de) 1986-05-01 1987-04-06 Verfahren zur behandlung einer stahlschmelze

Country Status (2)

Country Link
US (1) US4655826A (https=)
DE (1) DE3711528A1 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4950324A (en) * 1988-10-24 1990-08-21 A. Finkl & Sons Co. Tri-level method and apparatus for post melting treatment of molten steel
US5252120A (en) * 1992-10-26 1993-10-12 A. Finkl & Sons Co. Method and apparatus for double vacuum production of steel
DE19526704C1 (de) * 1995-07-24 1997-05-07 Asea Brown Boveri Einschmelzaggregat

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3635696A (en) * 1968-05-21 1972-01-18 Finkl & Sons Co Treatment of molten metal using arc heat and vacuum

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3236636A (en) * 1962-02-26 1966-02-22 Finkl & Sons Co Method of treating molten metal
US3761242A (en) * 1958-12-02 1973-09-25 Finkl & Sons Co Method of treating molten metal by gas purging rhtough a porous plug
US3501290A (en) * 1966-08-29 1970-03-17 Finkl & Sons Co Method of treating molten metal with arc heat and vacuum

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3635696A (en) * 1968-05-21 1972-01-18 Finkl & Sons Co Treatment of molten metal using arc heat and vacuum

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
Fachber. Hüttenpraxis Metallweiterverarb., Bd.21, Nr.8, 1983, S.518-534 *
Metallurgical Plant and Technology 4, 1985, S.10-18 *
THYSSEN: Techn.Berichte, H.1, 1983, S.1-14 *

Also Published As

Publication number Publication date
DE3711528C2 (https=) 1990-09-20
US4655826A (en) 1987-04-07

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8363 Opposition against the patent
8365 Fully valid after opposition proceedings
8339 Ceased/non-payment of the annual fee