DE3684099D1 - Verfahren zum schmelzen und reduzieren von chromerzen. - Google Patents

Verfahren zum schmelzen und reduzieren von chromerzen.

Info

Publication number
DE3684099D1
DE3684099D1 DE8686115727T DE3684099T DE3684099D1 DE 3684099 D1 DE3684099 D1 DE 3684099D1 DE 8686115727 T DE8686115727 T DE 8686115727T DE 3684099 T DE3684099 T DE 3684099T DE 3684099 D1 DE3684099 D1 DE 3684099D1
Authority
DE
Germany
Prior art keywords
melting
vessel
chrome ore
blowing
molten metal
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 - Fee Related
Application number
DE8686115727T
Other languages
English (en)
Inventor
Hajime Mori
Minoru Hirano
Teruyuki Hasegawa
Yoshihiko Kawai
Yoshiteru Kikuchi
Kenji Takahashi
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.)
JFE Engineering Corp
Original Assignee
Nippon Kokan 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
Application filed by Nippon Kokan Ltd filed Critical Nippon Kokan Ltd
Application granted granted Critical
Publication of DE3684099D1 publication Critical patent/DE3684099D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • C22B34/00—Obtaining refractory metals
    • C22B34/30—Obtaining chromium, molybdenum or tungsten
    • C22B34/32—Obtaining chromium
    • 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
    • C22B5/00—General methods of reducing to metals
    • C22B5/02—Dry methods smelting of sulfides or formation of mattes
    • C22B5/10—Dry methods smelting of sulfides or formation of mattes by solid carbonaceous reducing agents

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
  • Manufacture Of Iron (AREA)
DE8686115727T 1985-11-13 1986-11-12 Verfahren zum schmelzen und reduzieren von chromerzen. Expired - Fee Related DE3684099D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP25263585 1985-11-13

Publications (1)

Publication Number Publication Date
DE3684099D1 true DE3684099D1 (de) 1992-04-09

Family

ID=17240093

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686115727T Expired - Fee Related DE3684099D1 (de) 1985-11-13 1986-11-12 Verfahren zum schmelzen und reduzieren von chromerzen.

Country Status (8)

Country Link
US (1) US4783219A (de)
EP (1) EP0222397B1 (de)
JP (1) JPS62202035A (de)
CN (1) CN86107703A (de)
AT (1) ATE73172T1 (de)
CA (1) CA1289364C (de)
DE (1) DE3684099D1 (de)
ZA (1) ZA868613B (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4780134A (en) * 1986-09-23 1988-10-25 A. Finkl & Sons Co. Simplified method and apparatus for treating molten steel
US4961784A (en) * 1987-08-13 1990-10-09 Nkk Corporation Method of smelting reduction of chromium raw materials and a smelting reduction furnace thereof
JPH01165743A (ja) * 1987-09-10 1989-06-29 Nkk Corp 鉱石の溶融還元における原料装入方法
US4944799A (en) * 1987-09-10 1990-07-31 Nkk Corporation Method of producing stainless molten steel by smelting reduction
SE466315B (sv) * 1988-01-05 1992-01-27 Middelburg Steel & Alloys Pty Foerfarande foer svavel- och kiselkontroll vid ferrokromframstaellning
DE3825658A1 (de) * 1988-07-28 1990-02-01 Hoechst Ag Wasserloesliche faserreaktive farbstoffe, verfahren zu ihrer herstellung und ihre verwendung
DE69010901T2 (de) * 1989-06-02 1994-11-24 Cra Services Herstellung von ferrolegierung in einem schmelzbadreaktor.
CA2041297C (en) * 1991-04-26 2001-07-10 Samuel Walton Marcuson Converter and method for top blowing nonferrous metal
US5112387A (en) * 1991-08-21 1992-05-12 Instituto Mexicano De Investigaciones Siderurgicas Producing stainless steels in electric arc furnaces without secondary processing
WO1995028507A2 (en) * 1994-04-08 1995-10-26 Raymond Joseph Sartini Process for continuous hot dip zinc coating of aluminum profiles
CN103836946A (zh) * 2012-11-21 2014-06-04 虞文娟 金属冶炼用感应炉
CN103836943B (zh) * 2012-11-21 2015-10-14 虞文娟 底部复吹感应炉

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3252790A (en) * 1956-06-27 1966-05-24 Union Carbide Corp Preparation of metals and alloys
BE610265A (de) * 1960-11-18
US3508906A (en) * 1967-08-30 1970-04-28 Foote Mineral Co Beneficiation of chromium ore to reduce the iron content
DE2007373B2 (de) * 1970-02-18 1973-05-03 Eisenwerk-Gesellschaft Maximilianshütte mbH, 8458 Sulzbach-Rosenberg Verfahren und konverter zum herstellen ferritischer chromstaehle
BE781241A (fr) * 1971-05-28 1972-07-17 Creusot Loire Procede d'affinage des aciers allies contenant du chrome et plus specialement des aciers inoxydables
US3854932A (en) * 1973-06-18 1974-12-17 Allegheny Ludlum Ind Inc Process for production of stainless steel
DE2737832C3 (de) * 1977-08-22 1980-05-22 Fried. Krupp Huettenwerke Ag, 4630 Bochum Verwendung von im Querschnitt veränderlichen Blasdüsen zur Herstellung von rostfreien Stählen
ZA827820B (en) * 1981-10-30 1983-08-31 British Steel Corp Production of steel
US4497656A (en) * 1982-06-23 1985-02-05 Pennsylvania Engineering Corporation Steel making method
DE3442245A1 (de) * 1984-11-19 1986-05-28 Japan Metals & Chemicals Co., Ltd., Tokio/Tokyo Verfahren zur herstellung einer legierung mit hohem chromgehalt durch schmelzreduktion

Also Published As

Publication number Publication date
US4783219A (en) 1988-11-08
CA1289364C (en) 1991-09-24
ZA868613B (en) 1987-07-29
EP0222397B1 (de) 1992-03-04
EP0222397A2 (de) 1987-05-20
ATE73172T1 (de) 1992-03-15
CN86107703A (zh) 1987-06-10
JPS62202035A (ja) 1987-09-05
EP0222397A3 (en) 1989-06-07

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee