BR9006143A - Processo e aparelhagem para controle de uma taxa de fluxo de gas para pre-reducao de minerio - Google Patents

Processo e aparelhagem para controle de uma taxa de fluxo de gas para pre-reducao de minerio

Info

Publication number
BR9006143A
BR9006143A BR909006143A BR9006143A BR9006143A BR 9006143 A BR9006143 A BR 9006143A BR 909006143 A BR909006143 A BR 909006143A BR 9006143 A BR9006143 A BR 9006143A BR 9006143 A BR9006143 A BR 9006143A
Authority
BR
Brazil
Prior art keywords
flow rate
gas
furnace
reduction
control
Prior art date
Application number
BR909006143A
Other languages
English (en)
Inventor
Tatsuro Ariyama
Shinichi Isozaki
Kenzo Yamada
Masaharu Matsuo
Genji Kanaiani
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
Priority claimed from JP1313259A external-priority patent/JP2536642B2/ja
Priority claimed from JP2374990A external-priority patent/JPH07103410B2/ja
Application filed by Nippon Kokan Kk filed Critical Nippon Kokan Kk
Publication of BR9006143A publication Critical patent/BR9006143A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B5/00—Making pig-iron in the blast furnace
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/14—Multi-stage processes processes carried out in different vessels or furnaces

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Crucibles And Fluidized-Bed Furnaces (AREA)
  • Manufacture Of Iron (AREA)
  • Flow Control (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
BR909006143A 1989-12-04 1990-12-04 Processo e aparelhagem para controle de uma taxa de fluxo de gas para pre-reducao de minerio BR9006143A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1313259A JP2536642B2 (ja) 1989-12-04 1989-12-04 予備還元炉を備えた溶融還元設備における予備還元用ガス流れの調整方法
JP2374990A JPH07103410B2 (ja) 1990-02-02 1990-02-02 溶融還元設備における加圧式溶融還元炉の炉内圧安定化装置

Publications (1)

Publication Number Publication Date
BR9006143A true BR9006143A (pt) 1991-09-24

Family

ID=26361159

Family Applications (1)

Application Number Title Priority Date Filing Date
BR909006143A BR9006143A (pt) 1989-12-04 1990-12-04 Processo e aparelhagem para controle de uma taxa de fluxo de gas para pre-reducao de minerio

Country Status (9)

Country Link
US (1) US5183495A (pt)
EP (1) EP0431556B1 (pt)
KR (1) KR940003502B1 (pt)
CN (1) CN1021917C (pt)
AT (1) ATE120241T1 (pt)
AU (1) AU632874B2 (pt)
BR (1) BR9006143A (pt)
CA (1) CA2031473C (pt)
DE (1) DE69018034T2 (pt)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2010681A4 (en) * 2006-04-24 2012-05-02 Tech Resources Pty Ltd PRESSURE CONTROL IN DIRECT PREVENTION PROCEDURES
EP2341307A1 (en) * 2009-12-22 2011-07-06 Tata Steel IJmuiden BV Method and apparatus for continuous combined melting and steel making
DE102010022773B4 (de) * 2010-06-04 2012-10-04 Outotec Oyj Verfahren und Anlage zur Erzeugung von Roheisen
CN103667576A (zh) * 2013-10-15 2014-03-26 北京神雾环境能源科技集团股份有限公司 用于金属冶炼的方法
KR102089495B1 (ko) * 2017-12-22 2020-04-28 주식회사 포스코 용철 제조 장치

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3033673A (en) * 1960-05-03 1962-05-08 Elektrokemisk As Process of reducing iron oxides
SE435732B (sv) * 1983-03-02 1984-10-15 Ips Interproject Service Ab Forfarande for framstellning av rajern ur jernslig
JPS62227009A (ja) * 1986-03-28 1987-10-06 Nippon Steel Corp 鉄鉱石の溶融還元法
JPS6347307A (ja) * 1986-08-14 1988-02-29 Nippon Kokan Kk <Nkk> 溶融還元法
JPS6357709A (ja) * 1986-08-28 1988-03-12 Nippon Steel Corp 鉱石類の循環流動還元方法
US4940488C2 (en) * 1987-12-07 2002-06-18 Kawasaki Heavy Ind Ltd Method of smelting reduction of ores containing metal oxides

Also Published As

Publication number Publication date
CA2031473C (en) 1996-05-14
AU632874B2 (en) 1993-01-14
CN1052899A (zh) 1991-07-10
AU6766990A (en) 1991-06-06
ATE120241T1 (de) 1995-04-15
CN1021917C (zh) 1993-08-25
EP0431556A1 (en) 1991-06-12
KR910012265A (ko) 1991-08-07
EP0431556B1 (en) 1995-03-22
US5183495A (en) 1993-02-02
DE69018034T2 (de) 1995-09-21
DE69018034D1 (de) 1995-04-27
KR940003502B1 (ko) 1994-04-23
CA2031473A1 (en) 1991-06-05

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Legal Events

Date Code Title Description
FB20 Grant procedure suspended (art. 20)
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FF Decision: intention to grant
HO Change of classification

Free format text: ALTERADA DE INT. CL. C21B 11/00

FG9A Patent or certificate of addition granted
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 04/12/2010