WO2009031537A1 - 還元鉄成形体の製造方法、及び銑鉄の製造方法 - Google Patents

還元鉄成形体の製造方法、及び銑鉄の製造方法 Download PDF

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Publication number
WO2009031537A1
WO2009031537A1 PCT/JP2008/065768 JP2008065768W WO2009031537A1 WO 2009031537 A1 WO2009031537 A1 WO 2009031537A1 JP 2008065768 W JP2008065768 W JP 2008065768W WO 2009031537 A1 WO2009031537 A1 WO 2009031537A1
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WO
WIPO (PCT)
Prior art keywords
reduced
manufacturing
compacts
iron
direct
Prior art date
Application number
PCT/JP2008/065768
Other languages
English (en)
French (fr)
Inventor
Tetsuharu Ibaraki
Original Assignee
Nippon Steel Corporation
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=40428853&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2009031537(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Nippon Steel Corporation filed Critical Nippon Steel Corporation
Priority to EP08829382.4A priority Critical patent/EP2189546B2/en
Priority to BRPI0816359-6A priority patent/BRPI0816359B1/pt
Priority to MX2010002466A priority patent/MX2010002466A/es
Priority to KR1020107004640A priority patent/KR101138074B1/ko
Priority to CA2698234A priority patent/CA2698234C/en
Priority to CN2008801054603A priority patent/CN101796200B/zh
Priority to AU2008294980A priority patent/AU2008294980B2/en
Priority to US12/676,047 priority patent/US8092574B2/en
Publication of WO2009031537A1 publication Critical patent/WO2009031537A1/ja
Priority to ZA2010/01419A priority patent/ZA201001419B/en

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/14—Agglomerating; Briquetting; Binding; Granulating
    • C22B1/24—Binding; Briquetting ; Granulating
    • C22B1/248—Binding; Briquetting ; Granulating of metal scrap or alloys
    • 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
    • C21B13/0066—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
    • C21B13/0086—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
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/14—Agglomerating; Briquetting; Binding; Granulating
    • C22B1/24—Binding; Briquetting ; Granulating
    • C22B1/242—Binding; Briquetting ; Granulating with binders
    • C22B1/244—Binding; Briquetting ; Granulating with binders organic
    • C22B1/245—Binding; Briquetting ; Granulating with binders organic with carbonaceous material for the production of coked agglomerates
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B5/00—General methods of reducing to metals
    • C22B5/02—Dry methods smelting of sulfides or formation of mattes
    • C22B5/10—Dry methods smelting of sulfides or formation of mattes by solid carbonaceous reducing agents
    • 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

  • 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)
  • Mechanical Engineering (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Manufacture Of Iron (AREA)

Abstract

　この還元鉄成形体の製造方法では、回転炉床式還元炉にて、トータル鉄を４０％以上含んでかつ、１２００°Cの一酸化炭素雰囲気で還元される金属酸化物と化合している酸素の原子モル量に対して、０．７～１．５倍の原子モル量の固定炭素を含んでいる粉体の成形体を還元するに際して、最高温度で１２００～１４２０°Cの雰囲気で、還元体内の一酸化炭素の、二酸化炭素に対する比を０．３から１．２として、金属鉄比率を５０質量％以上、かつ、炭素比率を５質量％以下の還元鉄含有物を製造して；この還元鉄含有物を、５００～８００°Cの温度にて、ローラー形式のモールドで圧縮成形する。
PCT/JP2008/065768 2007-09-05 2008-09-02 還元鉄成形体の製造方法、及び銑鉄の製造方法 WO2009031537A1 (ja)

Priority Applications (9)

Application Number Priority Date Filing Date Title
EP08829382.4A EP2189546B2 (en) 2007-09-05 2008-09-02 Process for manufacturing molded products of direct-reduced iron and process for manufacturing pig iron
BRPI0816359-6A BRPI0816359B1 (pt) 2007-09-05 2008-09-02 Método de produção de um molde de ferro reduzido e método de produção de ferro-gusa
MX2010002466A MX2010002466A (es) 2007-09-05 2008-09-02 Proceso para manufacturar productos moldeados de hierro reducido directo y proceso para manufacturar hierro en lingotes.
KR1020107004640A KR101138074B1 (ko) 2007-09-05 2008-09-02 환원철 성형체의 제조 방법 및 선철의 제조 방법
CA2698234A CA2698234C (en) 2007-09-05 2008-09-02 Method of producing reduced iron cast, and method of producing pig iron
CN2008801054603A CN101796200B (zh) 2007-09-05 2008-09-02 还原铁成形体的制造方法及生铁的制造方法
AU2008294980A AU2008294980B2 (en) 2007-09-05 2008-09-02 Process for manufacturing molded products of direct-reduced iron and process for manufacturing pig iron
US12/676,047 US8092574B2 (en) 2007-09-05 2008-09-02 Method of producing reduced iron cast, and method of producing pig iron
ZA2010/01419A ZA201001419B (en) 2007-09-05 2010-02-26 Process for manufacturing molded products of direct-reduced iron and process for manufacturing pig iron

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2007-230193 2007-09-05
JP2007230193 2007-09-05
JP2008218015A JP4317579B2 (ja) 2007-09-05 2008-08-27 還元鉄成形体の製造方法、及び銑鉄の製造方法
JP2008-218015 2008-08-27

Publications (1)

Publication Number Publication Date
WO2009031537A1 true WO2009031537A1 (ja) 2009-03-12

Family

ID=40428853

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/065768 WO2009031537A1 (ja) 2007-09-05 2008-09-02 還元鉄成形体の製造方法、及び銑鉄の製造方法

Country Status (13)

Country Link
US (1) US8092574B2 (ja)
EP (1) EP2189546B2 (ja)
JP (1) JP4317579B2 (ja)
KR (1) KR101138074B1 (ja)
CN (1) CN101796200B (ja)
AU (1) AU2008294980B2 (ja)
BR (1) BRPI0816359B1 (ja)
CA (1) CA2698234C (ja)
MX (1) MX2010002466A (ja)
RU (1) RU2435868C1 (ja)
TW (1) TWI396744B (ja)
WO (1) WO2009031537A1 (ja)
ZA (1) ZA201001419B (ja)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010255075A (ja) * 2009-04-28 2010-11-11 Nippon Steel Corp 還元鉄成形体の製造方法、及び銑鉄の製造方法
US20110024681A1 (en) * 2008-04-10 2011-02-03 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd) Titanium oxide-containing agglomerate for producing granular metallic iron
KR101302793B1 (ko) * 2009-05-15 2013-09-02 가부시키가이샤 고베 세이코쇼 고밀도 환원철의 제조방법 및 고밀도 환원철의 제조장치
CN108103259A (zh) * 2018-01-31 2018-06-01 新疆乾海环保科技有限公司 一种基于转底加热炉的氧化矿物预还原装置
RU2709179C1 (ru) * 2019-04-24 2019-12-16 Публичное акционерное общество "Северсталь" (ПАО "Северсталь") Способ доменной плавки цинкосодержащей шихты
WO2022259563A1 (ja) * 2021-06-08 2022-12-15 株式会社神戸製鋼所 銑鉄製造方法及び鉱石原料

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KR101429643B1 (ko) * 2012-12-07 2014-08-13 주식회사 포스코 판상 hbi 입자 분리 장치
JP6294152B2 (ja) * 2014-05-15 2018-03-14 株式会社神戸製鋼所 粒状金属鉄の製造方法
KR101626602B1 (ko) * 2014-12-05 2016-06-01 주식회사 포스코 분환원철 괴성화 방법, 분환원철 괴성화 장치 및 이를 포함하는 용철제조장치
CN105039613A (zh) * 2015-08-25 2015-11-11 东北大学 一种从炼钢粉尘回收金属颗粒的方法
JP6900696B2 (ja) * 2017-02-09 2021-07-07 住友金属鉱山株式会社 金属酸化物の製錬方法
JP6900695B2 (ja) * 2017-02-09 2021-07-07 住友金属鉱山株式会社 金属酸化物の製錬方法
KR102077689B1 (ko) * 2019-05-03 2020-02-14 제일산기 주식회사 고온 브리켓 철의 제조장치
KR102390012B1 (ko) * 2020-06-09 2022-04-28 제일산기 주식회사 고온 브리켓 철의 냉각장치
SE545625C2 (en) * 2021-07-07 2023-11-14 Hybrit Dev Ab Iron briquettes

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JPH06316718A (ja) * 1993-03-08 1994-11-15 Kobe Steel Ltd 還元鉄ブリケットの製造方法
JPH1112627A (ja) * 1997-06-30 1999-01-19 Sumitomo Metal Ind Ltd 還元鉄製造における回転炉床の回転速度制御方法
JP2003027149A (ja) * 2001-07-10 2003-01-29 Kobe Steel Ltd 還元鉄ブリケットの製造方法
JP2004218019A (ja) * 2003-01-16 2004-08-05 Nippon Steel Corp 高強度鉄含有粒状物の製造方法

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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
JPH1112627A (ja) * 1997-06-30 1999-01-19 Sumitomo Metal Ind Ltd 還元鉄製造における回転炉床の回転速度制御方法
JP2003027149A (ja) * 2001-07-10 2003-01-29 Kobe Steel Ltd 還元鉄ブリケットの製造方法
JP2004218019A (ja) * 2003-01-16 2004-08-05 Nippon Steel Corp 高強度鉄含有粒状物の製造方法

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110024681A1 (en) * 2008-04-10 2011-02-03 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd) Titanium oxide-containing agglomerate for producing granular metallic iron
JP2010255075A (ja) * 2009-04-28 2010-11-11 Nippon Steel Corp 還元鉄成形体の製造方法、及び銑鉄の製造方法
KR101302793B1 (ko) * 2009-05-15 2013-09-02 가부시키가이샤 고베 세이코쇼 고밀도 환원철의 제조방법 및 고밀도 환원철의 제조장치
CN108103259A (zh) * 2018-01-31 2018-06-01 新疆乾海环保科技有限公司 一种基于转底加热炉的氧化矿物预还原装置
RU2709179C1 (ru) * 2019-04-24 2019-12-16 Публичное акционерное общество "Северсталь" (ПАО "Северсталь") Способ доменной плавки цинкосодержащей шихты
WO2022259563A1 (ja) * 2021-06-08 2022-12-15 株式会社神戸製鋼所 銑鉄製造方法及び鉱石原料

Also Published As

Publication number Publication date
AU2008294980B2 (en) 2011-03-17
BRPI0816359B1 (pt) 2018-05-15
US20100199806A1 (en) 2010-08-12
JP4317579B2 (ja) 2009-08-19
KR101138074B1 (ko) 2012-04-25
CA2698234A1 (en) 2009-03-12
CA2698234C (en) 2014-01-14
TWI396744B (zh) 2013-05-21
AU2008294980A1 (en) 2009-03-12
US8092574B2 (en) 2012-01-10
RU2010107663A (ru) 2011-09-10
TW200925283A (en) 2009-06-16
CN101796200B (zh) 2013-05-22
KR20100039897A (ko) 2010-04-16
EP2189546A1 (en) 2010-05-26
EP2189546B2 (en) 2016-05-11
EP2189546A4 (en) 2010-12-01
CN101796200A (zh) 2010-08-04
JP2009079292A (ja) 2009-04-16
MX2010002466A (es) 2010-03-29
ZA201001419B (en) 2010-11-24
EP2189546B1 (en) 2012-11-07
RU2435868C1 (ru) 2011-12-10
BRPI0816359A2 (pt) 2015-02-24

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