FI61520C - Foerfarande foer att foerhindra oeverbubbling av smaeltan vid raffinering av smaelt jaernmetall med tillhjaelp av det basiska syrefoerfarandet - Google Patents

Foerfarande foer att foerhindra oeverbubbling av smaeltan vid raffinering av smaelt jaernmetall med tillhjaelp av det basiska syrefoerfarandet Download PDF

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Publication number
FI61520C
FI61520C FI793614A FI793614A FI61520C FI 61520 C FI61520 C FI 61520C FI 793614 A FI793614 A FI 793614A FI 793614 A FI793614 A FI 793614A FI 61520 C FI61520 C FI 61520C
Authority
FI
Finland
Prior art keywords
oxygen
overflow
blown
inert gas
converter
Prior art date
Application number
FI793614A
Other languages
English (en)
Finnish (fi)
Other versions
FI61520B (fi
FI793614A (fi
Inventor
Iii Jenings Bryan Lewis
Peter Patrick Kelly
Original Assignee
Union Carbide Corp
Nat Steel 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, Nat Steel Corp filed Critical Union Carbide Corp
Publication of FI793614A publication Critical patent/FI793614A/fi
Publication of FI61520B publication Critical patent/FI61520B/fi
Application granted granted Critical
Publication of FI61520C publication Critical patent/FI61520C/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
    • 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
    • C21C5/28—Manufacture of steel in the converter
    • 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
    • C21C5/36—Processes yielding slags of special composition
    • C21C2005/366—Foam slags

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)
FI793614A 1979-02-07 1979-11-19 Foerfarande foer att foerhindra oeverbubbling av smaeltan vid raffinering av smaelt jaernmetall med tillhjaelp av det basiska syrefoerfarandet FI61520C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/010,316 US4210442A (en) 1979-02-07 1979-02-07 Argon in the basic oxygen process to control slopping
US1031679 1979-02-07

Publications (3)

Publication Number Publication Date
FI793614A FI793614A (fi) 1980-08-08
FI61520B FI61520B (fi) 1982-04-30
FI61520C true FI61520C (fi) 1982-08-10

Family

ID=21745186

Family Applications (1)

Application Number Title Priority Date Filing Date
FI793614A FI61520C (fi) 1979-02-07 1979-11-19 Foerfarande foer att foerhindra oeverbubbling av smaeltan vid raffinering av smaelt jaernmetall med tillhjaelp av det basiska syrefoerfarandet

Country Status (25)

Country Link
US (1) US4210442A (ro)
JP (1) JPS55110714A (ro)
KR (1) KR850000516B1 (ro)
AU (1) AU5262979A (ro)
BE (1) BE880006A (ro)
BR (1) BR7907470A (ro)
CA (1) CA1141963A (ro)
DD (1) DD148791A5 (ro)
DE (1) DE2944771C2 (ro)
ES (1) ES486145A1 (ro)
FI (1) FI61520C (ro)
FR (1) FR2448571B1 (ro)
GB (1) GB2041410B (ro)
IN (1) IN153387B (ro)
IT (1) IT1164763B (ro)
LU (1) LU81971A1 (ro)
MX (1) MX154122A (ro)
NL (1) NL7908518A (ro)
NO (1) NO793676L (ro)
PH (1) PH15269A (ro)
PL (1) PL219892A1 (ro)
RO (1) RO78381A (ro)
SE (1) SE7909369L (ro)
YU (1) YU288879A (ro)
ZA (1) ZA795966B (ro)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU81207A1 (fr) * 1979-04-30 1980-12-16 Arbed Procede d'affinage d'un bain de metal contenant des matieres refroidissantes solides
US4278464A (en) * 1979-12-27 1981-07-14 Union Carbide Corporation Method for preventing slopping during subsurface pneumatic refining of steel
DE3110569A1 (de) * 1981-03-18 1982-12-30 Skw Trostberg Ag, 8223 Trostberg Verfahren zur verhinderung des ueberschaeumens beim frischen von roheisen sowie zur erniedrigung des phosphorgehaltes, mittel und vorrichtung zur durchfuehrung des verfahrens
NL189008C (nl) * 1981-11-18 1992-12-01 Hoogovens Groep Bv Gasdoorlatend wandelement voor een met vuurvast materiaal bekleed metallurgisch vat, in het bijzonder voor een l.d.-staalconverter.
US4488903A (en) * 1984-03-14 1984-12-18 Union Carbide Corporation Rapid decarburization steelmaking process
JPS6173817A (ja) * 1984-09-18 1986-04-16 Sumitomo Electric Ind Ltd 溶鋼制御精錬法および精錬装置
AT405526B (de) * 1995-03-30 1999-09-27 Voest Alpine Stahl Donawitz Verfahren und vorrichtung zur begrenzung des schaumschlackenvolumens in einem metallurgischen gefäss
JP3405993B2 (ja) * 1995-05-30 2003-05-12 新日本製鐵株式会社 内燃機関の排気浄化装置
US6125133A (en) * 1997-03-18 2000-09-26 Praxair, Inc. Lance/burner for molten metal furnace
US5814125A (en) * 1997-03-18 1998-09-29 Praxair Technology, Inc. Method for introducing gas into a liquid
US5897684A (en) * 1997-04-17 1999-04-27 Ltv Steel Company, Inc. Basic oxygen process with iron oxide pellet addition
US6096261A (en) * 1997-11-20 2000-08-01 Praxair Technology, Inc. Coherent jet injector lance
US6176894B1 (en) 1998-06-17 2001-01-23 Praxair Technology, Inc. Supersonic coherent gas jet for providing gas into a liquid
KR100423420B1 (ko) * 1999-09-27 2004-03-19 주식회사 포스코 전로 취련중 슬로핑 방지방법
KR20040020446A (ko) * 2002-08-30 2004-03-09 주식회사 포스코 내화성능이 우수한 천정구조
WO2008076901A1 (en) * 2006-12-15 2008-06-26 Praxair Technology, Inc. Injection method for inert gas

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA692788A (en) * 1960-11-18 1964-08-18 C. Nelson Edward Decarburization, deoxidation and alloy addition
AT337736B (de) * 1973-02-12 1977-07-11 Voest Ag Verfahren zum frischen von roheisen
US3960546A (en) * 1974-05-22 1976-06-01 United States Steel Corporation Method for eliminating nose-skulls from steelmaking vessels
US4004920A (en) * 1975-05-05 1977-01-25 United States Steel Corporation Method of producing low nitrogen steel
JPS51108609A (en) * 1975-03-20 1976-09-27 Sumitomo Metal Ind Sansowabukitenrono suirenho
JPS5270906A (en) * 1975-10-30 1977-06-13 Nippon Steel Corp Prevention of slopping of converter
GB1586762A (en) * 1976-05-28 1981-03-25 British Steel Corp Metal refining method and apparatus

Also Published As

Publication number Publication date
FI61520B (fi) 1982-04-30
ZA795966B (en) 1980-10-29
DE2944771A1 (de) 1980-08-21
NL7908518A (nl) 1980-08-11
US4210442A (en) 1980-07-01
BE880006A (fr) 1980-05-13
JPS55110714A (en) 1980-08-26
YU288879A (en) 1982-10-31
DE2944771C2 (de) 1982-02-04
AU5262979A (en) 1980-08-14
RO78381A (ro) 1982-02-26
KR830002043A (ko) 1983-05-21
NO793676L (no) 1980-08-08
PL219892A1 (ro) 1980-09-08
GB2041410B (en) 1982-11-03
GB2041410A (en) 1980-09-10
KR850000516B1 (ko) 1985-04-12
IT7950849A0 (it) 1979-11-16
IT1164763B (it) 1987-04-15
FR2448571A1 (fr) 1980-09-05
SE7909369L (sv) 1980-08-08
CA1141963A (en) 1983-03-01
MX154122A (es) 1987-05-20
PH15269A (en) 1982-11-02
IN153387B (ro) 1984-07-14
FR2448571B1 (fr) 1985-10-11
BR7907470A (pt) 1981-05-19
LU81971A1 (fr) 1980-07-01
DD148791A5 (de) 1981-06-10
ES486145A1 (es) 1980-06-16
FI793614A (fi) 1980-08-08

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: UNION CARBIDE CORP

Owner name: NATIONAL STEEL CORPORATION