AU2002311297B2 - Method for accelerating separation of granular metallic iron from slag - Google Patents

Method for accelerating separation of granular metallic iron from slag Download PDF

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Publication number
AU2002311297B2
AU2002311297B2 AU2002311297A AU2002311297A AU2002311297B2 AU 2002311297 B2 AU2002311297 B2 AU 2002311297B2 AU 2002311297 A AU2002311297 A AU 2002311297A AU 2002311297 A AU2002311297 A AU 2002311297A AU 2002311297 B2 AU2002311297 B2 AU 2002311297B2
Authority
AU
Australia
Prior art keywords
metallic iron
slag
cooling
mixed solid
iron
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.)
Ceased
Application number
AU2002311297A
Other languages
English (en)
Other versions
AU2002311297A1 (en
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 AU2002311297A1 publication Critical patent/AU2002311297A1/en
Application granted granted Critical
Publication of AU2002311297B2 publication Critical patent/AU2002311297B2/en
Anticipated expiration legal-status Critical
Ceased 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
    • C21B13/10—Making spongy iron or liquid steel, by direct processes in hearth-type furnaces
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B3/00—General features in the manufacture of pig-iron
    • C21B3/04—Recovery of by-products, e.g. slag
    • C21B3/06—Treatment of liquid slag
    • C21B3/08—Cooling slag
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/0006—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/0046—Making spongy iron or liquid steel, by direct processes making metallised agglomerates or iron oxide
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/0086—Conditioning, transformation of reduced iron ores
    • 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
    • C21B13/105—Rotary hearth-type furnaces
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2400/00—Treatment of slags originating from iron or steel processes
    • C21B2400/02—Physical or chemical treatment of slags
    • C21B2400/022—Methods of cooling or quenching molten slag
    • C21B2400/024—Methods of cooling or quenching molten slag with the direct use of steam or liquid coolants, e.g. water
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2400/00—Treatment of slags originating from iron or steel processes
    • C21B2400/02—Physical or chemical treatment of slags
    • C21B2400/022—Methods of cooling or quenching molten slag
    • C21B2400/026—Methods of cooling or quenching molten slag using air, inert gases or removable conductive bodies
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2400/00—Treatment of slags originating from iron or steel processes
    • C21B2400/05—Apparatus features
    • C21B2400/06—Conveyors on which slag is cooled
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2400/00—Treatment of slags originating from iron or steel processes
    • C21B2400/05—Apparatus features
    • C21B2400/062—Jet nozzles or pressurised fluids for cooling, fragmenting or atomising slag
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2400/00—Treatment of slags originating from iron or steel processes
    • C21B2400/05—Apparatus features
    • C21B2400/066—Receptacle features where the slag is treated
    • C21B2400/068—Receptacle features where the slag is treated with a sealed or controlled environment
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2400/00—Treatment of slags originating from iron or steel processes
    • C21B2400/05—Apparatus features
    • C21B2400/066—Receptacle features where the slag is treated
    • C21B2400/072—Tanks to collect the slag, e.g. water tank

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Manufacture Of Iron (AREA)
AU2002311297A 2001-07-24 2002-06-17 Method for accelerating separation of granular metallic iron from slag Ceased AU2002311297B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
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
JP2001-223266 2001-07-24
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
AU2002311297A1 AU2002311297A1 (en) 2003-05-29
AU2002311297B2 true AU2002311297B2 (en) 2008-07-10

Family

ID=19056630

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002311297A Ceased AU2002311297B2 (en) 2001-07-24 2002-06-17 Method for accelerating separation of granular metallic iron from slag

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
TW546384B (en) * 2001-09-19 2003-08-11 Nippon Steel Corp A method of, and an apparatus for, cooling a reduced iron ingot
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
US20110018179A1 (en) 2009-06-29 2011-01-27 Bairong Li Metal reduction processes, metallurgical processes and products and apparatus
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 (5)

* 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
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
JP2000212651A (ja) * 1999-01-20 2000-08-02 Kobe Steel Ltd 還元鉄ペレットの製造方法
JP2001280631A (ja) * 2000-03-31 2001-10-10 Sumitomo Heavy Ind Ltd 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
US6630010B2 (en) * 2000-03-30 2003-10-07 Midrex International B.V. Zurich Branch Method of producing metallic iron

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0515498B1 (fr) * 1990-02-13 1995-08-23 Illawarra Technology Corporation Ltd. Traitement conjoint d'eaux d'egout et de dechets d'acierie
AT404361B (de) * 1995-01-23 1998-11-25 Voest Alpine Ind Anlagen Verfahren und vorrichtung zum abkühlen von heissem eisenschwamm
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
US6214087B1 (en) * 1999-03-19 2001-04-10 Midrex International B.V. Rotterdam, Zurich Branch Treatment of iron oxide agglomerates before introduction into furnace
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 (5)

* 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
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
JP2000212651A (ja) * 1999-01-20 2000-08-02 Kobe Steel Ltd 還元鉄ペレットの製造方法
US6630010B2 (en) * 2000-03-30 2003-10-07 Midrex International B.V. Zurich Branch Method of producing metallic iron
JP2001280631A (ja) * 2000-03-31 2001-10-10 Sumitomo Heavy Ind Ltd 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

Also Published As

Publication number Publication date
TW533239B (en) 2003-05-21
KR20040013155A (ko) 2004-02-11
EP1411135A4 (fr) 2007-08-22
CN1533443A (zh) 2004-09-29
RU2312899C2 (ru) 2007-12-20
EP1411135A1 (fr) 2004-04-21
RU2004105153A (ru) 2005-06-10
JP2003034813A (ja) 2003-02-07
CA2448383A1 (fr) 2003-02-06
US20040168550A1 (en) 2004-09-02
WO2003010342A1 (fr) 2003-02-06
KR100660658B1 (ko) 2006-12-21

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Legal Events

Date Code Title Description
FGA Letters patent sealed or granted (standard patent)
MK14 Patent ceased section 143(a) (annual fees not paid) or expired