FI66197C - Foerfarande foer att reglera temperaturen hos en staolsmaelta vid pneumatisk raffinering - Google Patents

Foerfarande foer att reglera temperaturen hos en staolsmaelta vid pneumatisk raffinering Download PDF

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Publication number
FI66197C
FI66197C FI792573A FI792573A FI66197C FI 66197 C FI66197 C FI 66197C FI 792573 A FI792573 A FI 792573A FI 792573 A FI792573 A FI 792573A FI 66197 C FI66197 C FI 66197C
Authority
FI
Finland
Prior art keywords
melt
heat
temperature
refining
carbon
Prior art date
Application number
FI792573A
Other languages
English (en)
Finnish (fi)
Other versions
FI66197B (fi
FI792573A (fi
Inventor
Richard Jay Choulet
Stewart Keeney Mehlman
Original Assignee
Union Carbide Corp
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 Union Carbide Corp filed Critical Union Carbide Corp
Publication of FI792573A publication Critical patent/FI792573A/fi
Publication of FI66197B publication Critical patent/FI66197B/fi
Application granted granted Critical
Publication of FI66197C publication Critical patent/FI66197C/fi

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
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04—Removing impurities by adding a treating agent
    • C21C7/068—Decarburising
    • 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
    • C21C5/34—Blowing through the bath

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)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
FI792573A 1978-08-24 1979-08-20 Foerfarande foer att reglera temperaturen hos en staolsmaelta vid pneumatisk raffinering FI66197C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US93639778 1978-08-24
US05/936,397 US4187102A (en) 1978-08-24 1978-08-24 Method for controlling the temperature of the melt during pneumatic refining of steel

Publications (3)

Publication Number Publication Date
FI792573A FI792573A (fi) 1980-02-25
FI66197B FI66197B (fi) 1984-05-31
FI66197C true FI66197C (fi) 1984-09-10

Family

ID=25468570

Family Applications (1)

Application Number Title Priority Date Filing Date
FI792573A FI66197C (fi) 1978-08-24 1979-08-20 Foerfarande foer att reglera temperaturen hos en staolsmaelta vid pneumatisk raffinering

Country Status (12)

Country Link
US (1) US4187102A (no)
EP (1) EP0008463B1 (no)
JP (1) JPS5531191A (no)
AR (1) AR221618A1 (no)
AU (1) AU523023B2 (no)
BR (1) BR7905375A (no)
CA (1) CA1131032A (no)
DE (1) DE2967621D1 (no)
DK (1) DK352579A (no)
ES (1) ES483572A1 (no)
FI (1) FI66197C (no)
NO (1) NO153860C (no)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4278464A (en) * 1979-12-27 1981-07-14 Union Carbide Corporation Method for preventing slopping during subsurface pneumatic refining of steel
US4436553A (en) 1982-01-22 1984-03-13 Union Carbide Corporation Process to produce low hydrogen steel
US4451288A (en) * 1982-06-29 1984-05-29 Union Carbide Corporation Method for producing low hydrogen content in steels produced by subsurface pneumatic refining
US4477278A (en) * 1983-01-06 1984-10-16 Union Carbide Corporation Steelmaking process using calcium carbide as fuel
US4551175A (en) * 1984-04-17 1985-11-05 Union Carbide Corporation Method for controlling slag chemistry in a refining vessel
US4761178A (en) * 1987-08-24 1988-08-02 Bethlehem Steel Corporation Process for heating molten steel contained in a ladle
BE1004483A3 (fr) * 1990-06-29 1992-12-01 Cockerill Sambre Sa Procede de rechauffage d'un bain d'acier liquide.

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE391666C (de) * 1921-07-16 1924-03-11 Zenzes G M B H Verfahren zum Zuenden der Chargen in sauren Kleinkonvertern
US2546340A (en) * 1949-11-14 1951-03-27 Union Carbide & Carbon Corp Process for producing low-carbon chromium steels
US3252790A (en) * 1956-06-27 1966-05-24 Union Carbide Corp Preparation of metals and alloys
BE610265A (no) * 1960-11-18
US3323907A (en) * 1964-11-23 1967-06-06 Air Prod & Chem Production of chromium steels
US3607247A (en) * 1968-11-12 1971-09-21 Crucible Inc Processes for the oxygen converter production of stainless steels
DE2243839A1 (de) * 1972-09-07 1974-03-28 Kloeckner Werke Ag Verfahren zur herstellung kohlenstoffarmer hochchromhaltiger ferritischer staehle
DE2314843C2 (de) * 1973-03-24 1975-01-30 Fried. Krupp Huettenwerke Ag, 4630 Bochum Verfahren zur Herstellung von vakuumbehandeltem Stahl für Schmiedeblocke
NL179300C (nl) * 1977-03-31 1986-08-18 Union Carbide Corp Werkwijze ter vervaardiging van eindproduktgietsels.

Also Published As

Publication number Publication date
AR221618A1 (es) 1981-02-27
FI66197B (fi) 1984-05-31
US4187102A (en) 1980-02-05
NO153860C (no) 1986-06-04
AU5015879A (en) 1980-02-28
BR7905375A (pt) 1980-05-20
DE2967621D1 (en) 1986-10-16
CA1131032A (en) 1982-09-07
EP0008463B1 (en) 1986-09-10
NO153860B (no) 1986-02-24
FI792573A (fi) 1980-02-25
ES483572A1 (es) 1980-09-01
EP0008463A1 (en) 1980-03-05
JPS5733325B2 (no) 1982-07-16
JPS5531191A (en) 1980-03-05
DK352579A (da) 1980-02-25
NO792742L (no) 1980-02-26
AU523023B2 (en) 1982-07-08

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Legal Events

Date Code Title Description
MM Patent lapsed
MM Patent lapsed

Owner name: UNION CARBIDE CORP