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GB2054655B - Simultaneous top and bottom-blowing in oxygen steelmaking - Google Patents

Simultaneous top and bottom-blowing in oxygen steelmaking

Info

Publication number
GB2054655B
GB2054655B GB8016879A GB8016879A GB2054655B GB 2054655 B GB2054655 B GB 2054655B GB 8016879 A GB8016879 A GB 8016879A GB 8016879 A GB8016879 A GB 8016879A GB 2054655 B GB2054655 B GB 2054655B
Authority
GB
United Kingdom
Prior art keywords
blowing
oxygen steelmaking
simultaneous top
simultaneous
steelmaking
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.)
Expired
Application number
GB8016879A
Other versions
GB2054655A (en
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.)
Nippon Steel Corp
Original Assignee
Sumitomo Metal Industries Ltd
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 claimed from JP6422179A external-priority patent/JPS55158208A/en
Priority claimed from JP54064223A external-priority patent/JPS6013402B2/en
Priority claimed from JP6422279A external-priority patent/JPS55158209A/en
Priority claimed from JP54084522A external-priority patent/JPS6040486B2/en
Priority claimed from JP54084521A external-priority patent/JPS6023163B2/en
Application filed by Sumitomo Metal Industries Ltd filed Critical Sumitomo Metal Industries Ltd
Publication of GB2054655A publication Critical patent/GB2054655A/en
Application granted granted Critical
Publication of GB2054655B publication Critical patent/GB2054655B/en
Expired 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
    • C21C5/28—Manufacture of steel in the converter
    • C21C5/30—Regulating or controlling the blowing
    • C21C5/35—Blowing from above and through the bath

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)
GB8016879A 1979-05-24 1980-05-22 Simultaneous top and bottom-blowing in oxygen steelmaking Expired GB2054655B (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP6422179A JPS55158208A (en) 1979-05-24 1979-05-24 Refining method of steel
JP54064223A JPS6013402B2 (en) 1979-05-24 1979-05-24 Steel refining equipment with gas circulation system
JP6422279A JPS55158209A (en) 1979-05-24 1979-05-24 Composite blowing method of steel
JP54084522A JPS6040486B2 (en) 1979-07-03 1979-07-03 steel refining method
JP54084521A JPS6023163B2 (en) 1979-07-03 1979-07-03 steel smelting method

Publications (2)

Publication Number Publication Date
GB2054655A GB2054655A (en) 1981-02-18
GB2054655B true GB2054655B (en) 1983-03-30

Family

ID=27523828

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8016879A Expired GB2054655B (en) 1979-05-24 1980-05-22 Simultaneous top and bottom-blowing in oxygen steelmaking

Country Status (10)

Country Link
AT (1) AT377007B (en)
AU (2) AU525023B2 (en)
BR (1) BR8003268A (en)
CA (1) CA1153560A (en)
DE (1) DE3019899C2 (en)
FR (1) FR2457325A1 (en)
GB (1) GB2054655B (en)
IT (1) IT1130459B (en)
LU (1) LU82481A1 (en)
NL (1) NL183413C (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5623215A (en) * 1979-08-02 1981-03-05 Nippon Kokan Kk <Nkk> Converter steel making method
JPS5816013A (en) * 1981-07-17 1983-01-29 Kawasaki Steel Corp Operating method for top and bottom blown converter and top blowing lance for operation of top and bottom blown converter
NL8201269A (en) * 1982-03-26 1983-10-17 Hoogovens Groep Bv METHOD FOR MANUFACTURING STEEL IN A CONVERTER FROM CRUDE IRON AND SCRAP.
JPS58185707A (en) * 1982-04-23 1983-10-29 Sumitomo Metal Ind Ltd Refining method of steel
LU84390A1 (en) * 1982-09-27 1984-04-24 Arbed METHOD AND DEVICE FOR HEATING A STEEL BATH FILLED WITH SCRAP
US4599107A (en) * 1985-05-20 1986-07-08 Union Carbide Corporation Method for controlling secondary top-blown oxygen in subsurface pneumatic steel refining
JPS62136513A (en) * 1985-12-10 1987-06-19 Nippon Steel Corp Refining method by top and bottom blowing in converter
DE4328045C2 (en) * 1993-08-20 2001-02-08 Ald Vacuum Techn Ag Process for decarburizing carbon-containing metal melts
GB0209365D0 (en) 2002-04-24 2002-06-05 Boc Group Plc Injection of solids into liquids
GB0213376D0 (en) 2002-06-11 2002-07-24 Boc Group Plc Refining ferroalloys
US10781499B2 (en) 2018-01-17 2020-09-22 Air Products And Chemicals, Inc. Bottom stirring tuyere and method for a basic oxygen furnace
CN114275784B (en) * 2021-12-24 2023-05-19 上海大学 A system and method for producing CO gas from CO2
CN119662997B (en) * 2025-02-20 2025-05-06 东北大学 Ausmelt furnace top and bottom composite blowing method

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT337736B (en) * 1973-02-12 1977-07-11 Voest Ag METHOD OF REFRESHING BIG IRON
DE2525355A1 (en) * 1974-06-07 1975-12-18 British Steel Corp METHOD AND DEVICE FOR REFRESHING IRON

Also Published As

Publication number Publication date
DE3019899A1 (en) 1980-12-04
AT377007B (en) 1985-01-25
IT1130459B (en) 1986-06-11
ATA277580A (en) 1984-06-15
CA1153560A (en) 1983-09-13
FR2457325A1 (en) 1980-12-19
GB2054655A (en) 1981-02-18
NL183413B (en) 1988-05-16
AU525023B2 (en) 1982-10-14
AU2829080A (en) 1980-11-27
DE3019899C2 (en) 1986-04-30
FR2457325B1 (en) 1983-11-10
NL8003012A (en) 1980-11-26
BR8003268A (en) 1980-12-30
IT8067813A0 (en) 1980-05-23
NL183413C (en) 1988-10-17
LU82481A1 (en) 1980-10-08

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 20000521