DE69622529D1 - Chromerzschmelzreduktionsverfahren - Google Patents

Chromerzschmelzreduktionsverfahren

Info

Publication number
DE69622529D1
DE69622529D1 DE69622529T DE69622529T DE69622529D1 DE 69622529 D1 DE69622529 D1 DE 69622529D1 DE 69622529 T DE69622529 T DE 69622529T DE 69622529 T DE69622529 T DE 69622529T DE 69622529 D1 DE69622529 D1 DE 69622529D1
Authority
DE
Germany
Prior art keywords
chromerzschmelzreduktionsverfahren
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 - Lifetime
Application number
DE69622529T
Other languages
English (en)
Other versions
DE69622529T2 (de
Inventor
K Aida
S Takeuchi
N Bessho
T Terabatake
Y Kishimoto
H Nishikawa
Fumio Sudo
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 Steel Corp
Original Assignee
Kawasaki Steel Corp
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 JP25082695A external-priority patent/JPH0987716A/ja
Application filed by Kawasaki Steel Corp filed Critical Kawasaki Steel Corp
Application granted granted Critical
Publication of DE69622529D1 publication Critical patent/DE69622529D1/de
Publication of DE69622529T2 publication Critical patent/DE69622529T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • 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
    • 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
    • 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
    • C21C7/0006—Adding metallic additives

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Manufacture Of Iron (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
DE69622529T 1995-09-28 1996-09-27 Chromerzschmelzreduktionsverfahren Expired - Lifetime DE69622529T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP25082695A JPH0987716A (ja) 1995-09-28 1995-09-28 クロム鉱石の溶融還元方法
JP32452295 1995-12-13
PCT/JP1996/002813 WO1997012066A1 (fr) 1995-09-28 1996-09-27 Procede de reduction par fusion de minerai de chrome

Publications (2)

Publication Number Publication Date
DE69622529D1 true DE69622529D1 (de) 2002-08-29
DE69622529T2 DE69622529T2 (de) 2002-11-07

Family

ID=26539937

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69622529T Expired - Lifetime DE69622529T2 (de) 1995-09-28 1996-09-27 Chromerzschmelzreduktionsverfahren

Country Status (8)

Country Link
US (1) US5882377A (de)
EP (1) EP0799899B1 (de)
KR (1) KR100257213B1 (de)
CN (1) CN1042444C (de)
AU (1) AU685713B2 (de)
BR (1) BR9606660A (de)
DE (1) DE69622529T2 (de)
WO (1) WO1997012066A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT407263B (de) * 1999-04-22 2001-02-26 Holderbank Financ Glarus Verfahren zum aufarbeiten von stahlschlacken
JP4307849B2 (ja) * 2003-01-07 2009-08-05 株式会社神戸製鋼所 クロム含有原料の還元方法
US7651559B2 (en) * 2005-11-04 2010-01-26 Franklin Industrial Minerals Mineral composition
CN105483316B (zh) * 2016-01-19 2017-08-25 攀钢集团攀枝花钢铁研究院有限公司 转炉炉内铬矿直接合金化的方法

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3383199A (en) * 1967-08-23 1968-05-14 Allied Chem Processing of iron oxide values
JPS5211906B2 (de) * 1973-10-17 1977-04-02
JPS5344129B2 (de) * 1973-11-21 1978-11-27
JPS5130504A (de) * 1974-09-09 1976-03-15 Showa Denko Kk
JPS6031834A (ja) * 1983-08-03 1985-02-18 株式会社日立製作所 石炭の軟化方法
JPS6167708A (ja) * 1984-09-10 1986-04-07 Nippon Steel Corp 鉄合金の精錬方法
US4565574A (en) * 1984-11-19 1986-01-21 Nippon Steel Corporation Process for production of high-chromium alloy by smelting reduction
JPS61166910A (ja) * 1985-01-18 1986-07-28 Nippon Steel Corp クロム含有合金の製造方法
JPS62224619A (ja) * 1986-03-25 1987-10-02 Nippon Steel Corp 溶融還元炉への炭材供給方法
US4765828A (en) * 1987-06-19 1988-08-23 Minnesota Power & Light Company Method and apparatus for reduction of metal oxides
DE3850381T2 (de) * 1987-08-13 1994-10-20 Nippon Kokan Kk Ofen und verfahren zur reduktion eines chromvorproduktes durch schmelzen.
JPH01162714A (ja) * 1987-12-18 1989-06-27 Kawasaki Steel Corp 転炉
JPH03271310A (ja) * 1990-03-20 1991-12-03 Nippon Steel Corp クロム鉱石の溶融還元法
US5262367A (en) * 1992-11-25 1993-11-16 Indresco Inc. MgO-C brick containing a novel graphite
JPH07216425A (ja) * 1994-02-03 1995-08-15 Nippon Steel Corp 溶融鉄合金の製造方法
JPH0916425A (ja) * 1995-06-30 1997-01-17 Fujitsu Ltd 情報処理システム

Also Published As

Publication number Publication date
EP0799899A1 (de) 1997-10-08
CN1165540A (zh) 1997-11-19
AU7096596A (en) 1997-04-17
EP0799899B1 (de) 2002-07-24
KR100257213B1 (ko) 2000-05-15
BR9606660A (pt) 1997-09-30
DE69622529T2 (de) 2002-11-07
EP0799899A4 (de) 1997-12-03
CN1042444C (zh) 1999-03-10
WO1997012066A1 (fr) 1997-04-03
KR970707311A (ko) 1997-12-01
AU685713B2 (en) 1998-01-22
US5882377A (en) 1999-03-16

Similar Documents

Publication Publication Date Title
BR9609301A (pt) Cetoenois dialquil-halogenofenil-substituídos
BR9609171A (pt) Fenilpiridazinonas
BR9609324A (pt) Macrolidas
ATA135896A (de) Skibob
BR9607795A (pt) Fucopeptídeos
BR9605387A (pt) 1-azinil-tetrazolinonas
BR9603509A (pt) Piperidinilmetiloxazolidinonas
ATE198470T1 (de) Alkenyl-benzoylguanidine
DE69622529D1 (de) Chromerzschmelzreduktionsverfahren
ATE240972T1 (de) Cyclopeptolide
ATA119896A (de) Scheibenmähwerk
BR9503866A (pt) Autolabor
BR9501643A (pt) Helistato
FI2032U1 (fi) Tillaeggsanordning foer rullskridsko
BR7500040U (pt) Raquet mastit
BR9500075A (pt) Carrapetilha
BR9500744A (pt) Tapafugeo
BR9500079A (pt) Bomballoon
BR9501962A (pt) Lotofone
BR9502123A (pt) Triamplificador
BR9502272A (pt) Livro-cartão
BR9502823A (pt) Proteserra
BR9505079A (pt) Supersônico-a-hélice
BR7502853U (pt) Faixa-surf
BR7500437U (pt) Girolight

Legal Events

Date Code Title Description
8364 No opposition during term of opposition