CL2012003380A1 - Process for producing granular metal comprising the steps of feeding agglomerates containing metal oxide and a carbonaceous reducing agent to a core of a melting furnace, heating the agglomerates to reduce and melting metal oxide, cooling the granular metal, discharging said metal out of the oven to retrieve it. - Google Patents

Process for producing granular metal comprising the steps of feeding agglomerates containing metal oxide and a carbonaceous reducing agent to a core of a melting furnace, heating the agglomerates to reduce and melting metal oxide, cooling the granular metal, discharging said metal out of the oven to retrieve it.

Info

Publication number
CL2012003380A1
CL2012003380A1 CL2012003380A CL2012003380A CL2012003380A1 CL 2012003380 A1 CL2012003380 A1 CL 2012003380A1 CL 2012003380 A CL2012003380 A CL 2012003380A CL 2012003380 A CL2012003380 A CL 2012003380A CL 2012003380 A1 CL2012003380 A1 CL 2012003380A1
Authority
CL
Chile
Prior art keywords
metal
metal oxide
agglomerates
melting
granular
Prior art date
Application number
CL2012003380A
Other languages
Spanish (es)
Inventor
Shuzo Ito
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 CL2012003380A1 publication Critical patent/CL2012003380A1/en

Links

Classifications

    • 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
    • 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
    • C21B11/00—Making pig-iron other than in blast furnaces
    • C21B11/08—Making pig-iron other than in blast furnaces in hearth-type furnaces
    • 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
    • C21B13/10—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
    • C22B1/16—Sintering; Agglomerating
    • 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
    • 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
    • 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

Abstract

Proceso para producir metal granular que comprende las etapas de alimentar aglomerados que contienen óxido metálico y un agente reductor carbonoso a un núcleo de un horno de fusión, calentar los aglomerados para reducir y fundir óxido metálico, enfriar el metal granular, descargar dicho metal fuera del horno para recuperarlo.Process for producing granular metal comprising the steps of feeding agglomerates containing metal oxide and a carbonaceous reducing agent to a core of a melting furnace, heating the agglomerates to reduce and melting metal oxide, cooling the granular metal, discharging said metal out of the oven to retrieve it.

CL2012003380A 2010-06-07 2012-11-30 Process for producing granular metal comprising the steps of feeding agglomerates containing metal oxide and a carbonaceous reducing agent to a core of a melting furnace, heating the agglomerates to reduce and melting metal oxide, cooling the granular metal, discharging said metal out of the oven to retrieve it. CL2012003380A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2010130124A JP5503420B2 (en) 2010-06-07 2010-06-07 Method for producing granular metal

Publications (1)

Publication Number Publication Date
CL2012003380A1 true CL2012003380A1 (en) 2013-05-24

Family

ID=45098024

Family Applications (1)

Application Number Title Priority Date Filing Date
CL2012003380A CL2012003380A1 (en) 2010-06-07 2012-11-30 Process for producing granular metal comprising the steps of feeding agglomerates containing metal oxide and a carbonaceous reducing agent to a core of a melting furnace, heating the agglomerates to reduce and melting metal oxide, cooling the granular metal, discharging said metal out of the oven to retrieve it.

Country Status (14)

Country Link
US (1) US20130074654A1 (en)
EP (1) EP2578703A1 (en)
JP (1) JP5503420B2 (en)
KR (1) KR20130010021A (en)
CN (1) CN102933727B (en)
AU (1) AU2011262982B2 (en)
CA (1) CA2799548A1 (en)
CL (1) CL2012003380A1 (en)
MX (1) MX2012014337A (en)
NZ (1) NZ603956A (en)
RU (1) RU2544979C2 (en)
TW (1) TW201211264A (en)
UA (1) UA105971C2 (en)
WO (1) WO2011155417A1 (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015063740A (en) * 2013-09-25 2015-04-09 株式会社神戸製鋼所 Method for producing granular iron
EP2926928A1 (en) * 2014-04-03 2015-10-07 Uvån Holding AB Granulation of molten ferrochromium
JP5839090B1 (en) * 2014-07-25 2016-01-06 住友金属鉱山株式会社 Nickel oxide ore smelting method, pellet charging method
JP6314781B2 (en) 2014-10-06 2018-04-25 住友金属鉱山株式会社 Nickel oxide ore smelting method
JP5975093B2 (en) * 2014-12-24 2016-08-23 住友金属鉱山株式会社 Nickel oxide ore smelting method
JP5958576B1 (en) 2015-02-24 2016-08-02 住友金属鉱山株式会社 Saprolite ore smelting method
JP6477371B2 (en) * 2015-09-08 2019-03-06 住友金属鉱山株式会社 Nickel oxide ore smelting method
JP6447429B2 (en) * 2015-09-08 2019-01-09 住友金属鉱山株式会社 Nickel oxide ore smelting method
JP6455374B2 (en) * 2015-09-08 2019-01-23 住友金属鉱山株式会社 Nickel oxide ore smelting method
EP3778938A1 (en) 2016-04-22 2021-02-17 Sumitomo Metal Mining Co., Ltd. Method for smelting oxide ore
EP3778936B1 (en) 2016-04-27 2024-01-10 Sumitomo Metal Mining Co., Ltd. Nickel oxide ore smelting method for smelting ferronickel
JP6439828B2 (en) 2017-05-24 2018-12-19 住友金属鉱山株式会社 Oxide ore smelting method
CN107354257A (en) * 2017-07-10 2017-11-17 中冶南方工程技术有限公司 A kind of production method of metallic iron
JP7147409B2 (en) 2018-09-20 2022-10-05 住友金属鉱山株式会社 Method for smelting oxide ore

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3844873B2 (en) 1998-02-27 2006-11-15 株式会社神戸製鋼所 Metal iron manufacturing method
EP0952230A1 (en) * 1998-03-24 1999-10-27 KABUSHIKI KAISHA KOBE SEIKO SHO also known as Kobe Steel Ltd. Method of producing reduced iron agglomerates
JP3020494B2 (en) * 1998-03-24 2000-03-15 株式会社神戸製鋼所 Method for producing reduced iron agglomerates
US6120577A (en) * 1998-03-25 2000-09-19 Ltv Steel Company, Inc. Treatment of steel mill waste metal oxides
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
JP3404309B2 (en) * 1999-01-18 2003-05-06 株式会社神戸製鋼所 Method and apparatus for producing reduced iron agglomerates
JP2001294921A (en) * 2000-04-10 2001-10-26 Midrex Internatl Bv Method for producing granular metallic iron
US6802886B2 (en) * 2000-06-05 2004-10-12 Midrex Technologies, Inc. Method of producing a metallized briquette
JP4691827B2 (en) * 2001-05-15 2011-06-01 株式会社神戸製鋼所 Granular metal iron
JP4266284B2 (en) * 2001-07-12 2009-05-20 株式会社神戸製鋼所 Metal iron manufacturing method
JP4267843B2 (en) * 2001-08-31 2009-05-27 株式会社神戸製鋼所 Metal iron manufacturing method
JP4167101B2 (en) * 2003-03-20 2008-10-15 株式会社神戸製鋼所 Production of granular metallic iron
JP4506521B2 (en) * 2005-03-16 2010-07-21 Ｊｆｅスチール株式会社 Raw material charging method on moving floor in moving hearth furnace

Also Published As

Publication number Publication date
AU2011262982B2 (en) 2014-02-20
US20130074654A1 (en) 2013-03-28
CN102933727A (en) 2013-02-13
NZ603956A (en) 2014-02-28
JP2011256414A (en) 2011-12-22
EP2578703A1 (en) 2013-04-10
AU2011262982A1 (en) 2013-01-10
TW201211264A (en) 2012-03-16
WO2011155417A1 (en) 2011-12-15
UA105971C2 (en) 2014-07-10
RU2544979C2 (en) 2015-03-20
CN102933727B (en) 2014-12-24
RU2012157181A (en) 2014-07-20
JP5503420B2 (en) 2014-05-28
CA2799548A1 (en) 2011-12-15
MX2012014337A (en) 2013-04-09
KR20130010021A (en) 2013-01-24

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