KR102063369B1 - 철광성 펠렛의 환원성 개선 방법 - Google Patents

철광성 펠렛의 환원성 개선 방법 Download PDF

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Publication number
KR102063369B1
KR102063369B1 KR1020147036121A KR20147036121A KR102063369B1 KR 102063369 B1 KR102063369 B1 KR 102063369B1 KR 1020147036121 A KR1020147036121 A KR 1020147036121A KR 20147036121 A KR20147036121 A KR 20147036121A KR 102063369 B1 KR102063369 B1 KR 102063369B1
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KR
South Korea
Prior art keywords
mixture
pellets
addition
iron ore
reducibility
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Expired - Fee Related
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KR1020147036121A
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English (en)
Korean (ko)
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KR20150013890A (ko
Inventor
마르쿠스 에두아르도 엠리치 보텔호
파울로 프레이타스 노게이라
스티븐 마이클 포터
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발레 에스.에이.
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Publication of KR20150013890A publication Critical patent/KR20150013890A/ko
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    • 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
    • C22B1/2406—Binding; Briquetting ; Granulating pelletizing
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/02—Making spongy iron or liquid steel, by direct processes in shaft 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
    • C22B1/243—Binding; Briquetting ; Granulating with binders inorganic
    • 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
    • C22B5/12—Dry methods smelting of sulfides or formation of mattes by gases

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Treatment Of Sludge (AREA)
KR1020147036121A 2012-05-23 2013-05-17 철광성 펠렛의 환원성 개선 방법 Expired - Fee Related KR102063369B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201261650905P 2012-05-23 2012-05-23
US61/650,905 2012-05-23
PCT/BR2013/000175 WO2013173895A1 (en) 2012-05-23 2013-05-17 Process for the improvement of reducibility of iron ore pellets

Publications (2)

Publication Number Publication Date
KR20150013890A KR20150013890A (ko) 2015-02-05
KR102063369B1 true KR102063369B1 (ko) 2020-01-07

Family

ID=48613382

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020147036121A Expired - Fee Related KR102063369B1 (ko) 2012-05-23 2013-05-17 철광성 펠렛의 환원성 개선 방법

Country Status (10)

Country Link
US (1) US9169532B2 (enExample)
EP (1) EP2852694B1 (enExample)
JP (1) JP2015518922A (enExample)
KR (1) KR102063369B1 (enExample)
AR (1) AR091127A1 (enExample)
AU (1) AU2013266036B2 (enExample)
BR (1) BR112014029214B1 (enExample)
IN (1) IN2014DN10331A (enExample)
TW (1) TW201402830A (enExample)
WO (1) WO2013173895A1 (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015016145A1 (ja) * 2013-07-29 2015-02-05 新日鐵住金株式会社 直接還元用原料、直接還元用原料の製造方法、及び還元鉄の製造方法
US20160376681A1 (en) * 2015-06-26 2016-12-29 Vale S.A. Process to thermally upgrade metal-containing limonite or saprolite ores via magnetic separation and the use of the magnetic concentrate as seeds
BR102015027270A2 (pt) * 2015-10-27 2017-05-02 Vale S/A processo para redução da umidade de minérios em correias transportadoras e chutes de transferência; chute de transferência para transporte de minério; correia transportadora para transporte de minério
CN109371232B (zh) * 2018-11-28 2020-03-27 山西太钢不锈钢股份有限公司 用于降低球团矿膨胀率的方法
CN113025812B (zh) * 2021-02-26 2023-05-12 安徽工业大学 一种球团及其制备方法及一种铁水
CN115074523B (zh) * 2022-05-05 2024-04-30 包头钢铁（集团）有限责任公司 一种测定铁矿球团在高炉冶炼过程中抗碱金属破坏能力的方法
CN116987880B (zh) * 2023-08-10 2025-10-31 北京科技大学 一种在含ch4的还原气氛条件下铬铁矿球团进行低温还原焙烧预处理方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3753682A (en) * 1970-09-18 1973-08-21 Allis Chalmers Mfg Co Ported rotary kiln process for direct reduction of oxides of metallic minerals
FR2366364A1 (fr) * 1976-02-03 1978-04-28 Cefilac Procede de fabrication de produits en acier par voie solide
US4350523A (en) * 1979-04-12 1982-09-21 Kabushiki Kaisha Kobe Seiko Sho Porous iron ore pellets
NL8204940A (nl) * 1982-12-22 1984-07-16 Shell Int Research Werkwijze ter bereiding van een ferronikkelconcentraat.
US5738694A (en) * 1994-01-21 1998-04-14 Covol Technologies, Inc. Process for recovering iron from iron-containing material
KR19990022152A (ko) * 1995-06-06 1999-03-25 죠지 더블유. 쥬니어 포드 철농후 물질로 부터 철을 회수하는 방법
JP4418836B2 (ja) * 2007-12-20 2010-02-24 株式会社神戸製鋼所 高炉用自溶性ペレットおよびその製造方法
US9540707B2 (en) * 2011-11-25 2017-01-10 Ab Ferrolegeringar Iron and molybdenum containing agglomerates

Also Published As

Publication number Publication date
US9169532B2 (en) 2015-10-27
US20140096650A1 (en) 2014-04-10
JP2015518922A (ja) 2015-07-06
IN2014DN10331A (enExample) 2015-08-07
EP2852694A1 (en) 2015-04-01
BR112014029214B1 (pt) 2020-02-18
AR091127A1 (es) 2015-01-14
KR20150013890A (ko) 2015-02-05
WO2013173895A1 (en) 2013-11-28
TW201402830A (zh) 2014-01-16
AU2013266036A1 (en) 2014-12-18
EP2852694B1 (en) 2017-10-25
BR112014029214A2 (pt) 2017-12-12
AU2013266036B2 (en) 2017-02-09

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