DD104557A5 - - Google Patents

Info

Publication number
DD104557A5
DD104557A5 DD169712A DD16971273A DD104557A5 DD 104557 A5 DD104557 A5 DD 104557A5 DD 169712 A DD169712 A DD 169712A DD 16971273 A DD16971273 A DD 16971273A DD 104557 A5 DD104557 A5 DD 104557A5
Authority
DD
German Democratic Republic
Application number
DD169712A
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
Priority to US238338A priority Critical patent/US3905589A/en
Application filed filed Critical
Publication of DD104557A5 publication Critical patent/DD104557A5/xx

Links

Classifications

    • 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
    • C21C5/00Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/52Manufacture of steel in electric furnaces
    • C21C5/5211Manufacture of steel in electric furnaces in an alternating current [AC] electric arc furnace
    • C21C5/5217Manufacture of steel in electric furnaces in an alternating current [AC] electric arc furnace equipped with burners or devices for injecting gas, i.e. oxygen, or pulverulent materials into the furnace
    • 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
    • Y02P10/20Process efficiency
    • Y02P10/21Process efficiency by recovering materials
    • Y02P10/212Recovering metals from waste
    • Y02P10/214Recovering metals from waste by pyro metallurgy
    • Y02P10/216Recovering metals from waste by pyro metallurgy of Fe
DD169712A 1972-03-27 1973-03-26 DD104557A5 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US238338A US3905589A (en) 1972-03-27 1972-03-27 Steel production method and apparatus

Publications (1)

Publication Number Publication Date
DD104557A5 true DD104557A5 (en) 1974-03-12

Family

ID=22897460

Family Applications (1)

Application Number Title Priority Date Filing Date
DD169712A DD104557A5 (en) 1972-03-27 1973-03-26

Country Status (9)

Country Link
US (1) US3905589A (en)
AR (1) AR198975A1 (en)
BR (1) BR7302178D0 (en)
CA (1) CA1003645A (en)
DD (1) DD104557A5 (en)
GB (1) GB1421203A (en)
HU (1) HU174816B (en)
IN (1) IN139245B (en)
ZA (1) ZA7301492B (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE396226B (en) * 1974-09-20 1977-09-12 Asea Ab Seen and apparatus for treating a metallsmelta
FR2355071B1 (en) * 1976-06-16 1978-10-13 Creusot Loire
IT1177539B (en) * 1984-02-02 1987-08-26 Italimpianti Improvement in the electronic furnace of direct current arc
US4699654A (en) * 1986-04-08 1987-10-13 Union Carbide Corporation Melting furnace and method for melting metal
GB8609063D0 (en) * 1986-04-14 1986-05-21 British Steel Corp Injection elements for melt containing vessels
DE3629055C2 (en) * 1986-08-27 1990-06-13 Kloeckner Cra Patent Gmbh, 4100 Duisburg, De
US4858894A (en) * 1988-06-30 1989-08-22 Labate M D Stirring block with unidirectional grain structure having improved erosion resistance
IT1231837B (en) * 1989-05-18 1992-01-14 Radex Heraklith refractory ceramic brick for insufflation and procedure for the treatment of insufflation gas in a metallurgical crucible
US5240231A (en) * 1990-07-31 1993-08-31 Industrial Maintenance And Contract Services Limited Partnership Slag control system
US5173243A (en) * 1990-07-31 1992-12-22 Industrial Maintenance And Contract Services Limited Partnership Slag control method and apparatus
US5375818A (en) * 1990-07-31 1994-12-27 Industrial Maintenance And Contrace Services Limited Partnership Slag control method and apparatus
US5173244A (en) * 1990-07-31 1992-12-22 Industrial Maintenance And Contract Services Limited Partnership Slag control apparatus and method
US6038246A (en) * 1997-02-26 2000-03-14 Nkk Steel Engineering, Inc. Method and apparatus for operating a furnace
CN101786619B (en) * 2010-02-10 2012-03-28 黎应和 Vertical high temperature continuous graphitizing furnace
EP2767597B1 (en) * 2012-06-27 2016-11-02 Nippon Steel & Sumitomo Metal Corporation Method of reduction processing of steel-making slag

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US707776A (en) * 1901-08-21 1902-08-26 Electro Metallurg Francaise Soc Oscillating electric furnace.
US1031257A (en) * 1909-10-25 1912-07-02 Albert E Greene Process and apparatus for extracting and refining metals and alloys.
US1070337A (en) * 1909-11-12 1913-08-12 American Electric Smelting And Engineering Company Electric furnace.
US1078619A (en) * 1911-01-23 1913-11-18 Albert E Greene Electric furnace.
US1763248A (en) * 1928-06-19 1930-06-10 Pittsburgh Res Corp Electric furnace method
US2528571A (en) * 1948-05-22 1950-11-07 Nat Supply Co Electric tilting furnace
US3246889A (en) * 1961-05-16 1966-04-19 Mc Graw Edison Co Apparatus for degassing metals
NL296346A (en) * 1962-08-07
US3382912A (en) * 1964-11-18 1968-05-14 John Mohr And Sons Apparatus for conserving heat, degassing and casting molten metal
US3443806A (en) * 1966-08-10 1969-05-13 Air Liquide Method of using induction furnaces
US3501290A (en) * 1966-08-29 1970-03-17 Finkl & Sons Co Method of treating molten metal with arc heat and vacuum
GB1253581A (en) * 1968-02-24 1971-11-17 Maximilianshuette Eisenwerk Improvements in processes and apparatus for making steel

Also Published As

Publication number Publication date
AU5358073A (en) 1974-09-26
CA1003645A (en) 1977-01-18
ZA7301492B (en) 1973-12-19
GB1421203A (en) 1976-01-14
AR198975A1 (en) 1974-07-31
US3905589A (en) 1975-09-16
HU174816B (en) 1980-03-28
IN139245B (en) 1976-05-22
CA1003645A1 (en)
BR7302178D0 (en) 1974-06-27

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