EP1411135A4 - Procede permettant d'accelerer la separation de fer metallique granulaire de laitier - Google Patents

Procede permettant d'accelerer la separation de fer metallique granulaire de laitier

Info

Publication number
EP1411135A4
EP1411135A4 EP02736124A EP02736124A EP1411135A4 EP 1411135 A4 EP1411135 A4 EP 1411135A4 EP 02736124 A EP02736124 A EP 02736124A EP 02736124 A EP02736124 A EP 02736124A EP 1411135 A4 EP1411135 A4 EP 1411135A4
Authority
EP
European Patent Office
Prior art keywords
slag
metallic iron
granular metallic
accelerating separation
accelerating
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Withdrawn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
EP02736124A
Other languages
German (de)
English (en)
Other versions
EP1411135A1 (fr
Inventor
Osamu Tsuge
Shohei Yoshida
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 EP1411135A1 publication Critical patent/EP1411135A1/fr
Publication of EP1411135A4 publication Critical patent/EP1411135A4/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B13/00Making spongy iron or liquid steel, by direct processes
    • C21B13/10Making spongy iron or liquid steel, by direct processes in hearth-type furnaces
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B3/00General features in the manufacture of pig-iron
    • C21B3/04Recovery of by-products, e.g. slag
    • C21B3/06Treatment of liquid slag
    • C21B3/08Cooling slag
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B13/00Making spongy iron or liquid steel, by direct processes
    • C21B13/0006Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B13/00Making spongy iron or liquid steel, by direct processes
    • C21B13/0046Making spongy iron or liquid steel, by direct processes making metallised agglomerates or iron oxide
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B13/00Making spongy iron or liquid steel, by direct processes
    • C21B13/0086Conditioning, transformation of reduced iron ores
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B13/00Making spongy iron or liquid steel, by direct processes
    • C21B13/10Making spongy iron or liquid steel, by direct processes in hearth-type furnaces
    • C21B13/105Rotary hearth-type furnaces
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B2400/00Treatment of slags originating from iron or steel processes
    • C21B2400/02Physical or chemical treatment of slags
    • C21B2400/022Methods of cooling or quenching molten slag
    • C21B2400/024Methods of cooling or quenching molten slag with the direct use of steam or liquid coolants, e.g. water
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B2400/00Treatment of slags originating from iron or steel processes
    • C21B2400/02Physical or chemical treatment of slags
    • C21B2400/022Methods of cooling or quenching molten slag
    • C21B2400/026Methods of cooling or quenching molten slag using air, inert gases or removable conductive bodies
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B2400/00Treatment of slags originating from iron or steel processes
    • C21B2400/05Apparatus features
    • C21B2400/06Conveyors on which slag is cooled
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B2400/00Treatment of slags originating from iron or steel processes
    • C21B2400/05Apparatus features
    • C21B2400/062Jet nozzles or pressurised fluids for cooling, fragmenting or atomising slag
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B2400/00Treatment of slags originating from iron or steel processes
    • C21B2400/05Apparatus features
    • C21B2400/066Receptacle features where the slag is treated
    • C21B2400/068Receptacle features where the slag is treated with a sealed or controlled environment
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B2400/00Treatment of slags originating from iron or steel processes
    • C21B2400/05Apparatus features
    • C21B2400/066Receptacle features where the slag is treated
    • C21B2400/072Tanks to collect the slag, e.g. water tank

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Metallurgy (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Manufacture Of Iron (AREA)
EP02736124A 2001-07-24 2002-06-17 Procede permettant d'accelerer la separation de fer metallique granulaire de laitier Withdrawn EP1411135A4 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2001223266 2001-07-24
JP2001223266A JP2003034813A (ja) 2001-07-24 2001-07-24 粒状金属鉄とスラグの分離促進方法
PCT/JP2002/005996 WO2003010342A1 (fr) 2001-07-24 2002-06-17 Procede permettant d'accelerer la separation de fer metallique granulaire de laitier

Publications (2)

Publication Number Publication Date
EP1411135A1 EP1411135A1 (fr) 2004-04-21
EP1411135A4 true EP1411135A4 (fr) 2007-08-22

Family

ID=19056630

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02736124A Withdrawn EP1411135A4 (fr) 2001-07-24 2002-06-17 Procede permettant d'accelerer la separation de fer metallique granulaire de laitier

Country Status (10)

Country Link
US (1) US20040168550A1 (fr)
EP (1) EP1411135A4 (fr)
JP (1) JP2003034813A (fr)
KR (1) KR100660658B1 (fr)
CN (1) CN1533443A (fr)
AU (1) AU2002311297B2 (fr)
CA (1) CA2448383A1 (fr)
RU (1) RU2312899C2 (fr)
TW (1) TW533239B (fr)
WO (1) WO2003010342A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7618476B2 (en) * 2001-09-19 2009-11-17 Nippon Steel Corporation Method and apparatus for cooling reduced-iron agglomerate
JP3679084B2 (ja) * 2002-10-09 2005-08-03 株式会社神戸製鋼所 溶融金属製造用原料の製造方法および溶融金属の製造方法
KR100768562B1 (ko) * 2006-09-15 2007-10-19 주식회사 대진디엠피 엘이디 조명 장치 및 그 제어 방법
WO2011001282A2 (fr) 2009-06-29 2011-01-06 Bairong Li Procédés de réduction de métaux, procédés métallurgiques et produits et dispositifs
JP2013227605A (ja) * 2012-04-24 2013-11-07 Kobe Steel Ltd 金属鉄含有焼結体
KR101404440B1 (ko) * 2013-10-25 2014-06-19 주식회사 세라메탈 폐원자재 재활용 처리 장치
JP6273891B2 (ja) * 2014-02-20 2018-02-07 新日鐵住金株式会社 移動炉床炉による金属酸化物の還元方法及び還元装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06316718A (ja) * 1993-03-08 1994-11-15 Kobe Steel Ltd 還元鉄ブリケットの製造方法
WO1996023081A1 (fr) * 1995-01-23 1996-08-01 Voest-Alpine Industrieanlagenbau Gmbh Procede et dispositif pour refroidir du fer spongieux chaud briquete

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE126785T1 (de) * 1990-02-13 1995-09-15 Illawarra Tech Corp Ltd Gemeinsame behandlung von abwasser und abfällen von stahlwerken.
JPH10158710A (ja) * 1996-12-02 1998-06-16 Sumitomo Metal Mining Co Ltd 還元鉄ペレットの製造方法
US6383251B1 (en) * 1997-08-22 2002-05-07 William Lyon Sherwood Direct iron and steelmaking
JP4159634B2 (ja) * 1997-10-23 2008-10-01 株式会社神戸製鋼所 金属鉄の製法および装置
US6413295B2 (en) * 1998-11-12 2002-07-02 Midrex International B.V. Rotterdam, Zurich Branch Iron production method of operation in a rotary hearth furnace and improved furnace apparatus
JP3009661B1 (ja) * 1999-01-20 2000-02-14 株式会社神戸製鋼所 還元鉄ペレットの製造方法
US6214087B1 (en) * 1999-03-19 2001-04-10 Midrex International B.V. Rotterdam, Zurich Branch Treatment of iron oxide agglomerates before introduction into furnace
BR0105934B8 (pt) * 2000-03-30 2013-09-17 mÉtodo para produzir ferro metÁlico granular.
JP3735004B2 (ja) * 2000-03-31 2006-01-11 住友重機械工業株式会社 ロータリーキルンから排出される溶融物の回収方法及びその装置
TW562860B (en) * 2000-04-10 2003-11-21 Kobe Steel Ltd Method for producing reduced iron
US20020053307A1 (en) * 2000-10-31 2002-05-09 Natsuo Ishiwata Method for discharging reduced product from a moveable-hearth furnace and a discharging device
US6648942B2 (en) * 2001-01-26 2003-11-18 Midrex International B.V. Rotterdam, Zurich Branch Method of direct iron-making / steel-making via gas or coal-based direct reduction and apparatus
JP4669189B2 (ja) * 2001-06-18 2011-04-13 株式会社神戸製鋼所 粒状金属鉄の製法
JP4266284B2 (ja) * 2001-07-12 2009-05-20 株式会社神戸製鋼所 金属鉄の製法
TWI282818B (en) * 2003-01-16 2007-06-21 Kobe Steel Ltd A rotary hearth furnace and iron production method thereby
JP4167101B2 (ja) * 2003-03-20 2008-10-15 株式会社神戸製鋼所 粒状金属鉄の製法
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06316718A (ja) * 1993-03-08 1994-11-15 Kobe Steel Ltd 還元鉄ブリケットの製造方法
WO1996023081A1 (fr) * 1995-01-23 1996-08-01 Voest-Alpine Industrieanlagenbau Gmbh Procede et dispositif pour refroidir du fer spongieux chaud briquete

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO03010342A1 *

Also Published As

Publication number Publication date
EP1411135A1 (fr) 2004-04-21
AU2002311297B2 (en) 2008-07-10
TW533239B (en) 2003-05-21
CA2448383A1 (fr) 2003-02-06
RU2312899C2 (ru) 2007-12-20
RU2004105153A (ru) 2005-06-10
US20040168550A1 (en) 2004-09-02
KR20040013155A (ko) 2004-02-11
WO2003010342A1 (fr) 2003-02-06
KR100660658B1 (ko) 2006-12-21
JP2003034813A (ja) 2003-02-07
CN1533443A (zh) 2004-09-29

Similar Documents

Publication Publication Date Title
PL367714A1 (en) Process for direct electrowinning of copper
ZA200006842B (en) Recovery of copper values from copper ores.
EP1034311A4 (fr) Procede de fusion directe pour la production de metaux a partir d'oxydes metalliques
IL152969A0 (en) Process for the production of hard metal grade powder
EP1422300A4 (fr) Procede de production de fer metallique
EP1431404A4 (fr) Procede d'affinage de fer en fusion contenant du chrome
ZA200207363B (en) Method and device for producing molten iron.
AU2003299410A8 (en) Method for recovering blast-furnace gas and use thereof for making cast iron
PL1702992T3 (pl) Sposób skutecznego usuwania żużlu z roztopionego żelaza i urządzenie do tego
PL368283A1 (en) Method for purifying off-gases from a melamine-producing installation
EP1411135A4 (fr) Procede permettant d'accelerer la separation de fer metallique granulaire de laitier
AU2000255774A1 (en) Method for treating wastewater with powders of slag generated from steel making process
AU2002311297A1 (en) Method for accelerating separation of granular metallic iron from slag
PL356415A1 (en) Method for treating slags or slag mixtures on an iron bath
HK1060543A1 (en) Method for producing metal powder
PL342860A1 (en) Method for transforming slag derived from non-iron metallurgy
AU2002331402A1 (en) Method for reducing a particulate material containing a metal, especially iron ore
AU2000247847A1 (en) Method for recovering useful metal from slag generated in steel-making process while treating the slag
AP2001002267A0 (en) Improved method for leaching of ores
EP1407843A4 (fr) Dispositif d'alimentation en metal en fusion
EP1403387A4 (fr) Procede de raffinage de decarburation d'acier fondu contenant du chrome
AU2002254241A1 (en) Method for the use of electric steel plant slag for self-reducing agglomerates
AU2002233406A1 (en) Method for pelletization of iron ore
GB0109556D0 (en) Metallurgical gasket
EP1403389A4 (fr) Procede pour produire des briquets a partir d'oxydes de metaux finement disperses

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20031211

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

AX Request for extension of the european patent

Extension state: AL LT LV MK RO SI

A4 Supplementary search report drawn up and despatched

Effective date: 20070719

17Q First examination report despatched

Effective date: 20080213

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20080624