SE0202977L - Förfarande och framställning av järnsvamp, reducerat järnpulver och förfarande för framställning av detsamma - Google Patents

Förfarande och framställning av järnsvamp, reducerat järnpulver och förfarande för framställning av detsamma

Info

Publication number
SE0202977L
SE0202977L SE0202977A SE0202977A SE0202977L SE 0202977 L SE0202977 L SE 0202977L SE 0202977 A SE0202977 A SE 0202977A SE 0202977 A SE0202977 A SE 0202977A SE 0202977 L SE0202977 L SE 0202977L
Authority
SE
Sweden
Prior art keywords
iron
powdered
sponge
preparation
making
Prior art date
Application number
SE0202977A
Other languages
English (en)
Other versions
SE524681C2 (sv
SE0202977D0 (sv
Inventor
Satochi Uenosono
Akio Sonobe
Hiroshi Sugihara
Original Assignee
Kawasaki Steel Co
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 JP2001036676A external-priority patent/JP3721993B2/ja
Priority claimed from JP2001294845A external-priority patent/JP2003089812A/ja
Application filed by Kawasaki Steel Co filed Critical Kawasaki Steel Co
Publication of SE0202977D0 publication Critical patent/SE0202977D0/sv
Publication of SE0202977L publication Critical patent/SE0202977L/sv
Publication of SE524681C2 publication Critical patent/SE524681C2/sv

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/16—Making metallic powder or suspensions thereof using chemical processes
    • B22F9/18—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds
    • B22F9/20—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from solid metal compounds
    • B22F1/0003—
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/008—Use of special additives or fluxing agents
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/02—Making ferrous alloys by powder metallurgy
    • C22C33/0235—Starting from compounds, e.g. oxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/10—Reduction of greenhouse gas [GHG] emissions
    • Y02P10/134—Reduction of greenhouse gas [GHG] emissions by avoiding CO2, e.g. using hydrogen
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Manufacture Of Iron (AREA)
SE0202977A 2001-02-14 2002-10-10 Förfarande för framställning av järnsvamp, samt framställning av järnpulver av denna SE524681C2 (sv)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2001036676A JP3721993B2 (ja) 2001-02-14 2001-02-14 海綿鉄および還元鉄粉の製造方法
JP2001207571 2001-07-09
JP2001294845A JP2003089812A (ja) 2001-07-09 2001-09-26 海綿鉄の製造方法、および還元鉄粉とその製造方法
PCT/JP2002/001175 WO2002064844A1 (en) 2001-02-14 2002-02-13 Method for producing sponge iron, and reduced iron powder and method for production thereof

Publications (3)

Publication Number Publication Date
SE0202977D0 SE0202977D0 (sv) 2002-10-10
SE0202977L true SE0202977L (sv) 2002-12-11
SE524681C2 SE524681C2 (sv) 2004-09-14

Family

ID=27345982

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0202977A SE524681C2 (sv) 2001-02-14 2002-10-10 Förfarande för framställning av järnsvamp, samt framställning av järnpulver av denna

Country Status (5)

Country Link
US (1) US6918945B2 (sv)
CN (1) CN1201021C (sv)
CA (1) CA2404607A1 (sv)
SE (1) SE524681C2 (sv)
WO (1) WO2002064844A1 (sv)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE0303187D0 (sv) * 2003-11-26 2003-11-26 Hoeganaes Ab Food additive
ATE495138T1 (de) * 2006-12-01 2011-01-15 Michael J Ruthner Verfahren zur herstellung von eisenpulver oder stahlpulver aus eisenoxid-pulver durch oxidation und reduktion
WO2011001288A2 (en) 2009-06-29 2011-01-06 Bairong Li Metal reduction processes, metallurgical processes and products and apparatus
CN102009183B (zh) * 2010-12-30 2012-07-25 朝阳金河粉末冶金材料有限公司 用铁精矿粉直接制取粉末冶金用还原铁粉的方法
CN102618686A (zh) * 2012-03-18 2012-08-01 莱芜市泰东粉末科技有限公司 一种利用兰炭作还原剂生产海绵铁的工艺
CN102642027B (zh) * 2012-04-11 2014-01-15 莱芜钢铁集团有限公司 一种还原铁粉生产工艺
SE542056C2 (en) * 2015-01-14 2020-02-18 Jfe Steel Corp Method for preparing reduced iron powder
CA3120229C (en) * 2018-11-23 2023-10-03 Tata Steel Limited A method of producing spherical iron powder and products thereof
WO2023211968A1 (en) * 2022-04-25 2023-11-02 Form Energy, Inc. High purity iron-bearing materials and systems and methods of production thereof

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5324904B2 (sv) * 1972-08-17 1978-07-24
JPS5835638B2 (ja) * 1979-04-11 1983-08-03 株式会社神戸製鋼所 重質油の熱分解及び還元鉄の製造法
CA1327342C (en) * 1987-11-30 1994-03-01 James Kelly Kindig Process for beneficiating particulate solids
JP3295673B2 (ja) 1993-03-26 2002-06-24 同和鉄粉工業株式会社 マイクロ波利用の鉄粉製造法
JP3157080B2 (ja) * 1994-07-08 2001-04-16 ティーディーケイ株式会社 フェライト材料の製造方法
JPH10237519A (ja) * 1997-02-24 1998-09-08 Sumitomo Metal Ind Ltd 還元鉄の製造方法
JPH10251723A (ja) * 1997-03-13 1998-09-22 Sumitomo Metal Ind Ltd 還元鉄の製造方法
US5972066A (en) * 1997-04-22 1999-10-26 Iron Dynamics, Inc. Mixed bed iron reduction process
JPH1112619A (ja) * 1997-06-26 1999-01-19 Sumitomo Metal Ind Ltd 還元鉄の製造方法
AU741669B2 (en) * 1997-08-04 2001-12-06 Bechtel Corporation Method for direct reduction and upgrading of fine-grained refractory and earthy iron ores and slags
GB2333518A (en) * 1998-01-26 1999-07-28 Laporte Industries Ltd Process for making black iron oxide pigment

Also Published As

Publication number Publication date
CA2404607A1 (en) 2002-10-01
WO2002064844A1 (en) 2002-08-22
US20030110889A1 (en) 2003-06-19
US6918945B2 (en) 2005-07-19
SE524681C2 (sv) 2004-09-14
CN1457367A (zh) 2003-11-19
CN1201021C (zh) 2005-05-11
SE0202977D0 (sv) 2002-10-10

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Legal Events

Date Code Title Description
NUG Patent has lapsed