ATE73172T1 - Verfahren zum schmelzen und reduzieren von chromerzen. - Google Patents

Verfahren zum schmelzen und reduzieren von chromerzen.

Info

Publication number
ATE73172T1
ATE73172T1 AT86115727T AT86115727T ATE73172T1 AT E73172 T1 ATE73172 T1 AT E73172T1 AT 86115727 T AT86115727 T AT 86115727T AT 86115727 T AT86115727 T AT 86115727T AT E73172 T1 ATE73172 T1 AT E73172T1
Authority
AT
Austria
Prior art keywords
chrome ore
melting
vessel
ore
blowing
Prior art date
Application number
AT86115727T
Other languages
English (en)
Inventor
Hajime Mori
Minoru Hirano
Teruyuki Hasegawa
Yoshihiko Kawai
Yoshiteru Kikuchi
Kenji Takahashi
Original Assignee
Nippon Kokan Kk
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 Kk filed Critical Nippon Kokan Kk
Application granted granted Critical
Publication of ATE73172T1 publication Critical patent/ATE73172T1/de

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)
AT86115727T 1985-11-13 1986-11-12 Verfahren zum schmelzen und reduzieren von chromerzen. ATE73172T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP25263585 1985-11-13
EP86115727A EP0222397B1 (de) 1985-11-13 1986-11-12 Verfahren zum Schmelzen und Reduzieren von Chromerzen

Publications (1)

Publication Number Publication Date
ATE73172T1 true ATE73172T1 (de) 1992-03-15

Family

ID=17240093

Family Applications (1)

Application Number Title Priority Date Filing Date
AT86115727T ATE73172T1 (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 (13)

* 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
WO1989001532A1 (en) * 1987-08-13 1989-02-23 Nkk Corporation Process for melt reduction of cr starting material and melt reduction furnace
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
BR8807201A (pt) * 1987-09-10 1990-03-01 Nippon Kokan Kk Metodo de producao de aco inoxidavel em fusao por fusao redutora
ZW18288A1 (en) * 1988-01-05 1989-04-19 Middelburg Steel & Alloys Pty Sulphur and silicon control in ferrochromium production
DE3825658A1 (de) * 1988-07-28 1990-02-01 Hoechst Ag Wasserloesliche faserreaktive farbstoffe, verfahren zu ihrer herstellung und ihre verwendung
RU2125112C1 (ru) * 1989-06-02 1999-01-20 Си-Ар-Эй Сервисиз Лимитед Способ производства ферросплава
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
EP0708846A4 (de) * 1994-04-08 1996-08-21 Norsk Hydro As Verfahren zum kontinuierlichen feuerverzinken von alluminiumprofilen
CN103836943B (zh) * 2012-11-21 2015-10-14 虞文娟 底部复吹感应炉
CN103836946A (zh) * 2012-11-21 2014-06-04 虞文娟 金属冶炼用感应炉
CN116640937B (zh) * 2023-05-31 2024-05-28 湖北旌冶科技有限公司 一种高质量金属铬的冶炼方法

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
DE3684099D1 (de) 1992-04-09
ZA868613B (en) 1987-07-29
CN86107703A (zh) 1987-06-10
CA1289364C (en) 1991-09-24
JPS62202035A (ja) 1987-09-05
EP0222397A3 (en) 1989-06-07
EP0222397A2 (de) 1987-05-20
EP0222397B1 (de) 1992-03-04

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee