ATE120241T1 - Verfahren und vorrichtung zum steuern des gasstromes zur vorreduktion von erzen. - Google Patents

Verfahren und vorrichtung zum steuern des gasstromes zur vorreduktion von erzen.

Info

Publication number
ATE120241T1
ATE120241T1 AT90123213T AT90123213T ATE120241T1 AT E120241 T1 ATE120241 T1 AT E120241T1 AT 90123213 T AT90123213 T AT 90123213T AT 90123213 T AT90123213 T AT 90123213T AT E120241 T1 ATE120241 T1 AT E120241T1
Authority
AT
Austria
Prior art keywords
controlling
gas
ore
furnace
reduction
Prior art date
Application number
AT90123213T
Other languages
English (en)
Inventor
Tatsuro C O Patent Lic Yriyama
Minamiwatarida-Cho
Shinichi C O Patent Li Isozaki
Kenzo C O Patent Licens Yamada
Masahiro C O Patent Lic Matsuo
Genji C O Patent Lice Kanatani
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
Application granted granted Critical
Publication of ATE120241T1 publication Critical patent/ATE120241T1/de

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)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Flow Control (AREA)
AT90123213T 1989-12-04 1990-12-04 Verfahren und vorrichtung zum steuern des gasstromes zur vorreduktion von erzen. ATE120241T1 (de)

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
ATE120241T1 true ATE120241T1 (de) 1995-04-15

Family

ID=26361159

Family Applications (1)

Application Number Title Priority Date Filing Date
AT90123213T ATE120241T1 (de) 1989-12-04 1990-12-04 Verfahren und vorrichtung zum steuern des gasstromes zur vorreduktion von erzen.

Country Status (9)

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

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2010681A4 (de) * 2006-04-24 2012-05-02 Tech Resources Pty Ltd Drucksteuerung bei direktverhüttungsverfahren
EP2341307A1 (de) * 2009-12-22 2011-07-06 Tata Steel IJmuiden BV Verfahren und Vorrichtung zum kontinuierlichen kombinierten Schmelzen und Stahlherstellung
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
EP0431556A1 (de) 1991-06-12
KR940003502B1 (ko) 1994-04-23
BR9006143A (pt) 1991-09-24
AU632874B2 (en) 1993-01-14
AU6766990A (en) 1991-06-06
KR910012265A (ko) 1991-08-07
US5183495A (en) 1993-02-02
CA2031473A1 (en) 1991-06-05
DE69018034T2 (de) 1995-09-21
CN1052899A (zh) 1991-07-10
CA2031473C (en) 1996-05-14
EP0431556B1 (de) 1995-03-22
CN1021917C (zh) 1993-08-25
DE69018034D1 (de) 1995-04-27

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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