DE69018034T2 - 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
DE69018034T2
DE69018034T2 DE69018034T DE69018034T DE69018034T2 DE 69018034 T2 DE69018034 T2 DE 69018034T2 DE 69018034 T DE69018034 T DE 69018034T DE 69018034 T DE69018034 T DE 69018034T DE 69018034 T2 DE69018034 T2 DE 69018034T2
Authority
DE
Germany
Prior art keywords
controlling
gas
furnace
ores
reduction
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
DE69018034T
Other languages
English (en)
Other versions
DE69018034D1 (de
Inventor
Tatsuro Yriyama
Shinichi Isozaki
Kenzo Yamada
Masahiro Matsuo
Genji Kanatani
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
NKK Corp
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
Priority claimed from JP1313259A external-priority patent/JP2536642B2/ja
Priority claimed from JP2374990A external-priority patent/JPH07103410B2/ja
Application filed by NKK Corp, Nippon Kokan Ltd filed Critical NKK Corp
Application granted granted Critical
Publication of DE69018034D1 publication Critical patent/DE69018034D1/de
Publication of DE69018034T2 publication Critical patent/DE69018034T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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)
DE69018034T 1989-12-04 1990-12-04 Verfahren und Vorrichtung zum Steuern des Gasstromes zur Vorreduktion von Erzen. Expired - Fee Related DE69018034T2 (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 (2)

Publication Number Publication Date
DE69018034D1 DE69018034D1 (de) 1995-04-27
DE69018034T2 true DE69018034T2 (de) 1995-09-21

Family

ID=26361159

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69018034T Expired - Fee Related DE69018034T2 (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
ATE120241T1 (de) 1995-04-15
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
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
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee