EP1266971A3 - Betriebsverfahren für Drehherdofen - Google Patents

Betriebsverfahren für Drehherdofen Download PDF

Info

Publication number
EP1266971A3
EP1266971A3 EP02012441A EP02012441A EP1266971A3 EP 1266971 A3 EP1266971 A3 EP 1266971A3 EP 02012441 A EP02012441 A EP 02012441A EP 02012441 A EP02012441 A EP 02012441A EP 1266971 A3 EP1266971 A3 EP 1266971A3
Authority
EP
European Patent Office
Prior art keywords
hearth furnace
moving hearth
operation method
reduced
fuel
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.)
Withdrawn
Application number
EP02012441A
Other languages
English (en)
French (fr)
Other versions
EP1266971A2 (de
Inventor
Kojiro Kobe Steel Ltd. Osaka Branch Fuji
Makoto Kobe Corporate Research Labs. Nishimura
Hidetoshi Kobe Steel Ltd. Osaka Branch Tanaka
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.)
Kobe Steel Ltd
Original Assignee
Kobe Steel 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
Application filed by Kobe Steel Ltd filed Critical Kobe Steel Ltd
Publication of EP1266971A2 publication Critical patent/EP1266971A2/de
Publication of EP1266971A3 publication Critical patent/EP1266971A3/de
Withdrawn legal-status Critical Current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
    • C21B13/0066—Preliminary conditioning of the solid carbonaceous reductant
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/10—Making spongy iron or liquid steel, by direct processes in hearth-type 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)
  • Tunnel Furnaces (AREA)
  • Manufacture Of Iron (AREA)
  • Furnace Details (AREA)
  • Processing Of Solid Wastes (AREA)
  • Heat Treatments In General, Especially Conveying And Cooling (AREA)
EP02012441A 2001-06-11 2002-06-10 Betriebsverfahren für Drehherdofen Withdrawn EP1266971A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001176249 2001-06-11
JP2001176249A JP2002363626A (ja) 2001-06-11 2001-06-11 移動炉床炉の操業方法

Publications (2)

Publication Number Publication Date
EP1266971A2 EP1266971A2 (de) 2002-12-18
EP1266971A3 true EP1266971A3 (de) 2003-01-15

Family

ID=19017266

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02012441A Withdrawn EP1266971A3 (de) 2001-06-11 2002-06-10 Betriebsverfahren für Drehherdofen

Country Status (5)

Country Link
US (1) US20020194961A1 (de)
EP (1) EP1266971A3 (de)
JP (1) JP2002363626A (de)
AU (1) AU4588002A (de)
CA (1) CA2390151A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4167113B2 (ja) 2003-04-17 2008-10-15 株式会社神戸製鋼所 還元鉄の製造方法及び装置
GB0500985D0 (en) * 2005-01-18 2005-02-23 Zotefoams Plc Polyamide foams, process to make them and applications thereof
JP2012246514A (ja) * 2011-05-25 2012-12-13 Kobe Steel Ltd 還元鉄の製造方法
JP5494990B2 (ja) * 2012-02-29 2014-05-21 三菱マテリアル株式会社 乾式試金分析試料の自動溶解装置

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1231273B (de) * 1959-05-14 1966-12-29 Demag Elektrometallurgie Gmbh Verfahren zur Verhuettung von mit Reduktions-stoffen, insbesondere Kohlenstoffen, vermischten Eisenerzen und Vorrichtung zur Durchfuehrung dieses Verfahrens
US3998606A (en) * 1973-04-23 1976-12-21 Nippon Kokan Kabushiki Kaisha Method and apparatus for manufacturing reducing gas
DE2923726B1 (de) * 1979-06-12 1980-12-04 Fritz Dr Rer Nat Mindermann Verwendung von Klaerschlamm bzw. Belebtschlamm als Reduktionsmittel
DE2935103A1 (de) * 1979-08-30 1981-03-12 Estermann, Thomas M., Gempen, Basel Verfahren zur verwertung fluessiger oder zaehfluessiger industrieller sonderabfaelle.
DE2935544A1 (de) * 1979-09-03 1981-03-19 Fritz Dr.Rer.Nat. 7889 Grenzach Mindermann Herstellung von eisen aus eisenoxyd mit belebtschlamm (klaerschlamm) und bzw. o.a. kohlenstoffhaltigen abfallstoffen
JPS58180594A (ja) * 1982-04-19 1983-10-22 Toshishige Furuhashi 燃焼排出ガス清浄形固形燃料
DE3320951A1 (de) * 1983-06-10 1984-12-13 Fritz Dr.Rer.Nat. 7889 Grenzach Mindermann Verwendung von wasserfeuchtem klaerschlamm bei der eisenerzeugung
DE4232285A1 (de) * 1992-09-28 1994-03-31 Lottermoser Manfred Verfahren zur Verarbeitung von Eisenoxide und Nichteisenschwermetallverbindungen enthaltenden Materialien
JPH0873909A (ja) * 1994-09-12 1996-03-19 Nkk Corp 竪型炉への燃料吹き込み方法
DE19541673A1 (de) * 1994-11-14 1996-08-29 Krupp Ag Hoesch Krupp Verfahren zum Herstellen von pneumatisch förderbaren und einblasfähigen Kohlenstaub-Kunststoff-Gemischen
DE19520651A1 (de) * 1995-06-09 1996-12-12 Dieter Dr Ing Fuenders Verfahren zur Verwertung und Entsorgung von Klär- bzw. Wasserwerksschlämmen
JPH1060509A (ja) * 1996-06-11 1998-03-03 Nkk Corp 合成樹脂類の処理方法及び設備
US5824134A (en) * 1997-01-29 1998-10-20 Powers; Jim Direct reduction of iron ore utilizing organic hazardous materials
JP2002161318A (ja) * 2000-09-14 2002-06-04 Nippon Steel Corp 回転炉床炉における堆積層の成長抑制方法およびそれに使用する金属酸化物の塊成化物

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5730775A (en) * 1994-12-16 1998-03-24 Midrex International B.V. Rotterdam, Zurich Branch Method for rapid reduction of iron oxide in a rotary hearth furnace

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1231273B (de) * 1959-05-14 1966-12-29 Demag Elektrometallurgie Gmbh Verfahren zur Verhuettung von mit Reduktions-stoffen, insbesondere Kohlenstoffen, vermischten Eisenerzen und Vorrichtung zur Durchfuehrung dieses Verfahrens
US3998606A (en) * 1973-04-23 1976-12-21 Nippon Kokan Kabushiki Kaisha Method and apparatus for manufacturing reducing gas
DE2923726B1 (de) * 1979-06-12 1980-12-04 Fritz Dr Rer Nat Mindermann Verwendung von Klaerschlamm bzw. Belebtschlamm als Reduktionsmittel
DE2935103A1 (de) * 1979-08-30 1981-03-12 Estermann, Thomas M., Gempen, Basel Verfahren zur verwertung fluessiger oder zaehfluessiger industrieller sonderabfaelle.
DE2935544A1 (de) * 1979-09-03 1981-03-19 Fritz Dr.Rer.Nat. 7889 Grenzach Mindermann Herstellung von eisen aus eisenoxyd mit belebtschlamm (klaerschlamm) und bzw. o.a. kohlenstoffhaltigen abfallstoffen
JPS58180594A (ja) * 1982-04-19 1983-10-22 Toshishige Furuhashi 燃焼排出ガス清浄形固形燃料
DE3320951A1 (de) * 1983-06-10 1984-12-13 Fritz Dr.Rer.Nat. 7889 Grenzach Mindermann Verwendung von wasserfeuchtem klaerschlamm bei der eisenerzeugung
DE4232285A1 (de) * 1992-09-28 1994-03-31 Lottermoser Manfred Verfahren zur Verarbeitung von Eisenoxide und Nichteisenschwermetallverbindungen enthaltenden Materialien
JPH0873909A (ja) * 1994-09-12 1996-03-19 Nkk Corp 竪型炉への燃料吹き込み方法
DE19541673A1 (de) * 1994-11-14 1996-08-29 Krupp Ag Hoesch Krupp Verfahren zum Herstellen von pneumatisch förderbaren und einblasfähigen Kohlenstaub-Kunststoff-Gemischen
DE19520651A1 (de) * 1995-06-09 1996-12-12 Dieter Dr Ing Fuenders Verfahren zur Verwertung und Entsorgung von Klär- bzw. Wasserwerksschlämmen
JPH1060509A (ja) * 1996-06-11 1998-03-03 Nkk Corp 合成樹脂類の処理方法及び設備
US5824134A (en) * 1997-01-29 1998-10-20 Powers; Jim Direct reduction of iron ore utilizing organic hazardous materials
JP2002161318A (ja) * 2000-09-14 2002-06-04 Nippon Steel Corp 回転炉床炉における堆積層の成長抑制方法およびそれに使用する金属酸化物の塊成化物

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Section Ch Week 198348, Derwent World Patents Index; Class A95, AN 1983-830039, XP002221661 *
PATENT ABSTRACTS OF JAPAN vol. 1996, no. 07 31 July 1996 (1996-07-31) *
PATENT ABSTRACTS OF JAPAN vol. 1998, no. 08 30 June 1998 (1998-06-30) *
PATENT ABSTRACTS OF JAPAN vol. 2002, no. 10 10 October 2002 (2002-10-10) *

Also Published As

Publication number Publication date
CA2390151A1 (en) 2002-12-11
US20020194961A1 (en) 2002-12-26
JP2002363626A (ja) 2002-12-18
EP1266971A2 (de) 2002-12-18
AU4588002A (en) 2002-12-12

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