SE7501488L - - Google Patents

Info

Publication number
SE7501488L
SE7501488L SE7501488A SE7501488A SE7501488L SE 7501488 L SE7501488 L SE 7501488L SE 7501488 A SE7501488 A SE 7501488A SE 7501488 A SE7501488 A SE 7501488A SE 7501488 L SE7501488 L SE 7501488L
Authority
SE
Sweden
Prior art keywords
furnace
reduced
lid
hermetically sealed
reduced pressure
Prior art date
Application number
SE7501488A
Other languages
English (en)
Other versions
SE433128B (sv
Inventor
H Kishida
H Fukuoka
T Kameyama
Original Assignee
Nisshin Steel Co Ltd
Matsuzaka Co
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 JP2070174A external-priority patent/JPS5333928B2/ja
Priority claimed from JP49142001A external-priority patent/JPS5169418A/ja
Priority claimed from JP14200074A external-priority patent/JPS5169408A/ja
Application filed by Nisshin Steel Co Ltd, Matsuzaka Co filed Critical Nisshin Steel Co Ltd
Publication of SE7501488L publication Critical patent/SE7501488L/
Publication of SE433128B publication Critical patent/SE433128B/xx

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
    • C21C5/52—Manufacture of steel in electric furnaces
    • C21C5/5264—Manufacture of alloyed steels including ferro-alloys
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/0046—Making spongy iron or liquid steel, by direct processes making metallised agglomerates or iron oxide
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/006—Starting from ores containing non ferrous metallic oxides
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/12—Making spongy iron or liquid steel, by direct processes in electric furnaces
    • 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
    • C21C5/52—Manufacture of steel in electric furnaces
    • C21C5/5229—Manufacture of steel in electric furnaces in a direct current [DC] electric arc furnace
    • 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
    • C21C7/10—Handling in a vacuum
    • 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
    • C21C5/52—Manufacture of steel in electric furnaces
    • C21C5/5294—General arrangement or layout of the electric melt shop
    • 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
    • C21C7/0075—Treating in a ladle furnace, e.g. up-/reheating of molten steel within the ladle
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/10—Reduction of greenhouse gas [GHG] emissions
    • Y02P10/134—Reduction of greenhouse gas [GHG] emissions by avoiding CO2, e.g. using hydrogen
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Furnace Details (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
SE7501488A 1974-02-21 1975-02-11 Hermetiskt sluten ljusbagsugn SE433128B (sv)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2070174A JPS5333928B2 ( ) 1974-02-21 1974-02-21
JP49142001A JPS5169418A (en) 1974-12-12 1974-12-12 Sutenresukono seizoho
JP14200074A JPS5169408A (ja) 1974-12-12 1974-12-12 Genatsujizaikimitsushikiaakuseirenro

Publications (2)

Publication Number Publication Date
SE7501488L true SE7501488L ( ) 1975-08-22
SE433128B SE433128B (sv) 1984-05-07

Family

ID=27283143

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7501488A SE433128B (sv) 1974-02-21 1975-02-11 Hermetiskt sluten ljusbagsugn

Country Status (3)

Country Link
US (1) US4027095A ( )
GB (1) GB1449105A ( )
SE (1) SE433128B ( )

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4352189A (en) * 1977-03-01 1982-09-28 Wooding Corporation Atmosphere control of slag melting furnace
US4306726A (en) * 1980-04-22 1981-12-22 Qit-Fer Et Titane Inc. Furnace electrode seal assembly
US5406580A (en) * 1993-12-23 1995-04-11 Hatch Associates Ltd. Electrode seal for arc furnaces
AT403293B (de) * 1995-01-16 1997-12-29 Kct Tech Gmbh Verfahren und anlage zum herstellen von legierten stählen
WO1997032047A1 (en) * 1996-03-01 1997-09-04 Peter George Dunkel Hermetically closeable smelting/refining furnace
US6377605B1 (en) 2001-03-02 2002-04-23 Hatch Associates Ltd. Electrode seal for arc furnace
CN102006966A (zh) * 2007-09-04 2011-04-06 卡德罗资源公司 金属矿石浓缩物成为铁合金的直接处理
CN108570535A (zh) * 2018-05-25 2018-09-25 河北工业职业技术学院 一种不锈钢真空条件下吹氮气合金化的实验设备和方法
CN115125359B (zh) * 2021-03-29 2024-01-09 宝山钢铁股份有限公司 一种转底炉金属化球团热装热送返转炉炼钢的方法及系统
IT202100030824A1 (it) * 2021-12-07 2023-06-07 Danieli Off Mecc Forno elettrico ad arco per la fusione di materiale metallico ed impianto siderurgico comprendente detto forno elettrico ad arco
WO2024063945A1 (en) * 2022-09-02 2024-03-28 Desktop Metal, Inc. Low-cost high-purity vacuum pumps and systems

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2243096A (en) * 1939-06-29 1941-05-27 Stanford A Hardin Electrode seal
LU39783A1 ( ) * 1960-02-26
DE1254363B (de) * 1964-12-10 1967-11-16 Elektrometallurgie M B H Ges Verfahren zur Reduktion von oxydischen Rohstoffen
US3615348A (en) * 1968-07-31 1971-10-26 Armco Steel Corp Stainless steel melting practice
SE339700B ( ) * 1969-04-23 1971-10-18 Stora Kopparbergs Bergslags Ab
US3635699A (en) * 1969-12-22 1972-01-18 Union Carbide Corp Method of producing sized particles of low-carbon ferrochromium

Also Published As

Publication number Publication date
SE433128B (sv) 1984-05-07
GB1449105A (en) 1976-09-15
US4027095A (en) 1977-05-31
DE2507631A1 (de) 1975-09-04
DE2507631B2 (de) 1976-09-30

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