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AU540689B2 - Tuyere for blowing gas into molten metal bath container - Google Patents

Tuyere for blowing gas into molten metal bath container

Info

Publication number
AU540689B2
AU540689B2 AU78687/81A AU7868781A AU540689B2 AU 540689 B2 AU540689 B2 AU 540689B2 AU 78687/81 A AU78687/81 A AU 78687/81A AU 7868781 A AU7868781 A AU 7868781A AU 540689 B2 AU540689 B2 AU 540689B2
Authority
AU
Australia
Prior art keywords
tuyere
molten metal
metal bath
blowing gas
bath container
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
AU78687/81A
Other versions
AU7868781A (en
Inventor
Hideaki Fujimoto
Isamu Hirose
Shuzo Ito
Minoru Kitamura
Shinji Koyama
Hideo Matsui
Masahiko Ohgami
Tsuyoshi Yasui
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.)
Kobe Steel Ltd
Original Assignee
Kobe Steel 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 JP55181101A external-priority patent/JPS57114623A/en
Priority claimed from JP56169465A external-priority patent/JPS5871343A/en
Application filed by Kobe Steel Ltd filed Critical Kobe Steel Ltd
Publication of AU7868781A publication Critical patent/AU7868781A/en
Application granted granted Critical
Publication of AU540689B2 publication Critical patent/AU540689B2/en
Anticipated expiration legal-status Critical
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D1/00—Treatment of fused masses in the ladle or the supply runners before casting
    • B22D1/002—Treatment with gases
    • B22D1/005—Injection assemblies therefor
    • 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
    • C21C5/005—Manufacture of stainless 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
    • C21C5/30—Regulating or controlling the blowing
    • C21C5/35—Blowing from above and through the bath
    • 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
    • C21C5/48—Bottoms or tuyéres of converters
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
AU78687/81A 1980-12-20 1981-12-21 Tuyere for blowing gas into molten metal bath container Expired AU540689B2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP55181101A JPS57114623A (en) 1980-12-20 1980-12-20 Gas blowing nozzle for molten metal container
JP55181101 1980-12-20
JP56169465A JPS5871343A (en) 1981-10-22 1981-10-22 Nozzle for blowing of gas provided in molten metal vessel
JP56169465 1981-10-22

Publications (2)

Publication Number Publication Date
AU7868781A AU7868781A (en) 1982-07-01
AU540689B2 true AU540689B2 (en) 1984-11-29

Family

ID=26492792

Family Applications (1)

Application Number Title Priority Date Filing Date
AU78687/81A Expired AU540689B2 (en) 1980-12-20 1981-12-21 Tuyere for blowing gas into molten metal bath container

Country Status (4)

Country Link
EP (1) EP0059289B1 (en)
KR (1) KR890003014B1 (en)
AU (1) AU540689B2 (en)
DE (1) DE3169921D1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4462824A (en) * 1983-06-14 1984-07-31 Allegheny Ludlum Steel Corporation Annular tuyere
DE3819031C1 (en) * 1988-06-03 1989-07-20 Kloeckner Stahl Gmbh, 4100 Duisburg, De
FR2644566B1 (en) * 1989-03-15 1991-06-21 Air Liquide ELECTRIC ARC FURNACE AND SCRAP MELTING METHOD
DE4103156A1 (en) * 1991-02-02 1992-08-13 Radex Heraklith Gas flushing device for metallurgical vessel
CN112212700B (en) * 2020-09-03 2021-09-14 钢铁研究总院 Circular seam type gas supply element and gas supply method

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL296346A (en) * 1962-08-07
US3397878A (en) * 1965-11-19 1968-08-20 Union Carbide Corp Under-bath tuyere
LU54172A1 (en) * 1967-07-26 1969-05-21
AR207871A1 (en) * 1974-08-08 1976-11-08 Maximilianshuette Eisenwerk REACTIVE GAS INJECTION NOZZLE IN FUSION OR REFINING VESSELS FOR METALS
DE2737832C3 (en) * 1977-08-22 1980-05-22 Fried. Krupp Huettenwerke Ag, 4630 Bochum Use of blower nozzles with variable cross-section for the production of stainless steels
SU712444A1 (en) * 1978-03-13 1980-01-30 Московский Ордена Трудового Красного Знамени Институт Стали И Сплавов Tuyere for depth melt blasting

Also Published As

Publication number Publication date
DE3169921D1 (en) 1985-05-15
EP0059289B1 (en) 1985-04-10
KR890003014B1 (en) 1989-08-18
EP0059289A1 (en) 1982-09-08
AU7868781A (en) 1982-07-01

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Legal Events

Date Code Title Description
MK14 Patent ceased section 143(a) (annual fees not paid) or expired