DD52149A - - Google Patents

Info

Publication number
DD52149A
DD52149A DD52149DA DD52149A DD 52149 A DD52149 A DD 52149A DD 52149D A DD52149D A DD 52149DA DD 52149 A DD52149 A DD 52149A
Authority
DD
German Democratic Republic
Application number
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.)
Publication date
Publication of DD52149A publication Critical patent/DD52149A/xx
Priority claimed from AT939359A external-priority patent/AT218554B/de

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
    • C21C5/28—Manufacture of steel in the converter
    • C21C5/30—Regulating or controlling the blowing
    • C21C5/32—Blowing from above
    • 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
    • C21C5/04—Manufacture of hearth-furnace steel, e.g. Siemens-Martin steel
    • 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
    • C21C5/28—Manufacture of steel in the converter
    • C21C5/42—Constructional features of converters
    • C21C5/46—Details or accessories
    • C21C5/4606—Lances or injectors
    • 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
    • C21C5/28—Manufacture of steel in the converter
    • C21C5/42—Constructional features of converters
    • C21C5/46—Details or accessories
    • C21C5/4606—Lances or injectors
    • C21C5/462—Means for handling, e.g. adjusting, changing, coupling
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/87917—Flow path with serial valves and/or closures

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (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)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
DD52149D 1959-12-24 DD52149A (xx)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT939359A AT218554B (de) 1959-12-24 1959-12-24 Verfahren und Vorrichtung zur Durchführung metallurgischer Prozesse, insbesondere zum Frischen oder Vorfrischen von Roheisen, zum Feinen und Legieren von Stahl
AT217160A AT226753B (de) 1959-12-24 1960-03-21 Verfahren zum Frischen von Roheisen

Publications (1)

Publication Number Publication Date
DD52149A true DD52149A (xx) 1900-01-01

Family

ID=25597847

Family Applications (1)

Application Number Title Priority Date Filing Date
DD52149D DD52149A (xx) 1959-12-24

Country Status (8)

Country Link
US (1) US3212880A (xx)
AT (1) AT226753B (xx)
BE (1) BE598355A (xx)
DD (1) DD52149A (xx)
ES (2) ES263212A1 (xx)
GB (2) GB970858A (xx)
LU (1) LU39479A1 (xx)
OA (1) OA01858A (xx)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3304173A (en) * 1961-07-27 1967-02-14 United States Steel Corp Method of adding solids and oxygen to an open hearth furnace
AT238745B (de) * 1962-11-30 1965-02-25 Voest Ag Verfahren und Vorrichtung zum Einschmelzen von Rennluppen, Schwammeisen u. dgl. künstlichem Schrott
AT254919B (de) * 1963-09-23 1967-06-12 Oesterr Alpine Montan Verfahren und Vorrichtung zur Einführung von Zusatzstoffen zur Bildung oder Behandlung der Schlacke beim Windfrischen von Eisenbädern
US3502313A (en) * 1966-05-03 1970-03-24 Richard L Pastorius Steel producing plant with umbilically operative furnace top means
US5377960A (en) * 1993-03-01 1995-01-03 Berry Metal Company Oxygen/carbon blowing lance assembly
ITRM20010726A1 (it) * 2001-12-11 2003-06-11 Ct Sviluppo Materiali Spa Dispositivo idoneo ad alimentare sostanze in polvere o simili e relativo uso.

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2446511A (en) * 1946-08-21 1948-08-03 Air Liquide Open-hearth steelmaking
US2515670A (en) * 1946-10-22 1950-07-18 Air Reduction Manufacture of open-hearth steel
US2593505A (en) * 1948-04-10 1952-04-22 Hydrocarbon Research Inc Metal refining process
US2598393A (en) * 1948-10-25 1952-05-27 Kalling Bo Michael Sture Method in carrying out treatment of melted pig iron or other alloyed iron
DE845643C (de) * 1949-09-21 1952-08-04 Oesterr Alpine Montan Vorrichtung und Verfahren zum Blasen von Gasen gegen die Oberflaeche von Metallschmelzen
DE898309C (de) * 1951-12-28 1953-11-30 Stahl Und Roehrenuntersuchunge Vorrichtung zum Behandeln von fluessigem Roheisen
US3001864A (en) * 1952-12-09 1961-09-26 Air Reduction Method for introducing solid materials into molten metal
US2817584A (en) * 1954-05-25 1957-12-24 August Thyssen Hutte Ag And Do Method for refining pig iron
US2836411A (en) * 1954-05-28 1958-05-27 Huettenwerk Oberhausen Ag Blowing nozzle for the refining of metals
US2862811A (en) * 1954-09-14 1958-12-02 Stora Kopparbergs Bergslags Ab Continuous iron and steel making in a rotary vessel
US2950186A (en) * 1957-03-02 1960-08-23 Siderurgie Fse Inst Rech Method for top blowing pulverulent burnt lime and oxygen into cast iron for refining same
US2937864A (en) * 1957-09-13 1960-05-24 Steel Co Of Wales Ltd Gun assembly used in an open hearth furnace
US2988443A (en) * 1958-04-30 1961-06-13 A R B E D Acieries Reunies De Method for producing steel
FR1226680A (fr) * 1959-02-27 1960-07-15 Siderurgie Fse Inst Rech Procédé et dispositif pour améliorer le rendement thermique de l'affinage de la fonte par jet d'oxygène pur
US2990271A (en) * 1960-04-08 1961-06-27 Arthur H Dierker Method of producing silvery pig iron

Also Published As

Publication number Publication date
LU39479A1 (xx) 1961-01-30
OA01858A (fr) 1970-01-14
ES266188A1 (es) 1961-06-16
ES263212A1 (es) 1961-06-16
BE598355A (fr) 1961-04-14
AT226753B (de) 1963-04-10
GB970859A (en) 1964-09-23
GB970858A (en) 1964-09-23
US3212880A (en) 1965-10-19

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