BR9812981A - Método e aparelho para produzir ferro metálico - Google Patents

Método e aparelho para produzir ferro metálico

Info

Publication number
BR9812981A
BR9812981A BR9812981-3A BR9812981A BR9812981A BR 9812981 A BR9812981 A BR 9812981A BR 9812981 A BR9812981 A BR 9812981A BR 9812981 A BR9812981 A BR 9812981A
Authority
BR
Brazil
Prior art keywords
mixed powder
metallic iron
iron
iron oxide
starting material
Prior art date
Application number
BR9812981-3A
Other languages
English (en)
Inventor
Shoichi Kikuchi
Akira Uragami
Isao Kobayashi
Yasuhiro Tanigaki
Eiichi Ito
Koji Tokuda
Osamu Tsuchiya
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 BR9812981A publication Critical patent/BR9812981A/pt

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
    • C21B13/105—Rotary 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
    • C21B13/10—Making spongy iron or liquid steel, by direct processes in hearth-type furnaces
    • 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)
  • Manufacture Of Iron (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Physical Vapour Deposition (AREA)
  • Powder Metallurgy (AREA)

Abstract

"MéTODO E APARELHO PARA PRODUZIR FERRO METáLICO". Um método para produzir ferro metálico que compreende aquecer um pó misturado de um pó contendo óxido de ferro e um pó contendo agente redutor carbonáceo em um estado sendo depositado em um cadinho deste modo conduzindo redução e fusão. Ferro reduzido com quantidade extremamente baixa de intrusão de ingredientes de escória e uma alta pureza de Fe podem ser obtidos mesmo usando uma fonte de óxido de ferro de qualidade de ferro bruto. Nenhuma moldagem preliminar do pó de material inicial em grumos ou pellets é requerida.
BR9812981-3A 1997-10-23 1998-10-21 Método e aparelho para produzir ferro metálico BR9812981A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP29137897A JP4159634B2 (ja) 1997-10-23 1997-10-23 金属鉄の製法および装置
PCT/JP1998/004785 WO1999020801A1 (en) 1997-10-23 1998-10-21 Method and apparatus for making metallic iron

Publications (1)

Publication Number Publication Date
BR9812981A true BR9812981A (pt) 2000-08-08

Family

ID=17768152

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9812981-3A BR9812981A (pt) 1997-10-23 1998-10-21 Método e aparelho para produzir ferro metálico

Country Status (14)

Country Link
US (1) US6210462B1 (pt)
EP (1) EP1027461B1 (pt)
JP (1) JP4159634B2 (pt)
KR (1) KR100362781B1 (pt)
CN (1) CN1087352C (pt)
AT (1) ATE217351T1 (pt)
AU (1) AU734001B2 (pt)
BR (1) BR9812981A (pt)
CA (1) CA2306805C (pt)
DE (1) DE69805321T2 (pt)
ES (1) ES2177069T3 (pt)
RU (1) RU2194771C2 (pt)
WO (1) WO1999020801A1 (pt)
ZA (1) ZA989374B (pt)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU715276C (en) * 1996-03-15 2007-05-03 Kabushiki Kaisha Kobe Seiko Sho Method and apparatus for making metallic iron
US6506231B2 (en) 1996-03-15 2003-01-14 Kabushiki Kaisha Kobe Seiko Sho Method and apparatus for making metallic iron
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
US6126718A (en) * 1999-02-03 2000-10-03 Kawasaki Steel Corporation Method of producing a reduced metal, and traveling hearth furnace for producing same
US6224820B1 (en) 1999-03-29 2001-05-01 Kawasaki Steel Corporation Method of producing a reduced metal, and traveling hearth furnace for producing same
EP1764420B1 (en) 2000-03-30 2011-02-16 Kabushiki Kaisha Kobe Seiko Sho Method of producing metallic iron in a moving hearth type smelt reduction furnace
JP2001288504A (ja) * 2000-03-31 2001-10-19 Midrex Internatl Bv 溶融金属鉄の製造方法
JP4330257B2 (ja) 2000-08-09 2009-09-16 株式会社神戸製鋼所 金属鉄の製法
US20020053307A1 (en) * 2000-10-31 2002-05-09 Natsuo Ishiwata Method for discharging reduced product from a moveable-hearth furnace and a discharging device
JP4696380B2 (ja) * 2001-03-21 2011-06-08 Ｊｆｅスチール株式会社 移動型炉床炉への原料装入方法
JP4691827B2 (ja) 2001-05-15 2011-06-01 株式会社神戸製鋼所 粒状金属鉄
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
JP4654542B2 (ja) * 2001-06-25 2011-03-23 株式会社神戸製鋼所 粒状金属鉄およびその製法
JP4266284B2 (ja) * 2001-07-12 2009-05-20 株式会社神戸製鋼所 金属鉄の製法
JP2003034813A (ja) * 2001-07-24 2003-02-07 Kobe Steel Ltd 粒状金属鉄とスラグの分離促進方法
EP1553196B1 (en) * 2002-10-18 2008-07-30 Kabushiki Kaisha Kobe Seiko Sho Ferronickel and process for producing raw material for ferronickel smelting
JP4307849B2 (ja) 2003-01-07 2009-08-05 株式会社神戸製鋼所 クロム含有原料の還元方法
TWI282818B (en) * 2003-01-16 2007-06-21 Kobe Steel Ltd A rotary hearth furnace and iron production method thereby
US7413592B2 (en) * 2004-03-31 2008-08-19 Nu-Iron Technology, Llc Linear hearth furnace system and methods regarding same
JP5388450B2 (ja) * 2004-12-07 2014-01-15 ニュー−アイロン テクノロジー リミテッド ライアビリティー カンパニー 金属鉄ナゲットを生成するための方法およびシステム
JP4981320B2 (ja) * 2006-01-17 2012-07-18 株式会社神戸製鋼所 金属鉄の製法
CA2675311A1 (en) * 2007-01-12 2008-07-24 Nu-Iron Technology, Llc System and method for cooling and removing iron from a hearth
JP5119815B2 (ja) * 2007-09-04 2013-01-16 Ｊｆｅスチール株式会社 移動型炉床炉の操業方法
DE102007048962A1 (de) 2007-10-12 2009-04-16 Sms Demag Ag Elektroofen
KR101398345B1 (ko) * 2012-04-27 2014-05-22 주식회사 포스코 유도가열방식을 이용한 소결장치 및 방법
KR101442920B1 (ko) * 2012-12-18 2014-09-22 주식회사 포스코 환원철 제조방법 및 제조장치
CN105039624A (zh) * 2015-08-11 2015-11-11 北京神雾环境能源科技集团股份有限公司 熔分炉和采用该熔分炉处理待熔分物料的方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE380832B (sv) * 1974-03-15 1975-11-17 Asea Ab Sett och anordning for framstellning av kolhaltig metallsmelta ur metalloxidhaltigt material
US4597564A (en) * 1985-05-23 1986-07-01 The International Metals Reclamation Company, Inc. Rotary hearth
JPH06264155A (ja) * 1993-03-11 1994-09-20 Kankyo Soken Consultant:Kk アルミ回収溶解炉
US5972066A (en) * 1997-04-22 1999-10-26 Iron Dynamics, Inc. Mixed bed iron reduction process

Also Published As

Publication number Publication date
RU2194771C2 (ru) 2002-12-20
KR100362781B1 (ko) 2002-11-29
AU9646398A (en) 1999-05-10
KR20010031311A (ko) 2001-04-16
WO1999020801A1 (en) 1999-04-29
US6210462B1 (en) 2001-04-03
JP4159634B2 (ja) 2008-10-01
ES2177069T3 (es) 2002-12-01
ZA989374B (en) 1999-04-19
AU734001B2 (en) 2001-05-31
EP1027461A1 (en) 2000-08-16
DE69805321D1 (de) 2002-06-13
CA2306805A1 (en) 1999-04-29
EP1027461B1 (en) 2002-05-08
CA2306805C (en) 2005-01-04
CN1087352C (zh) 2002-07-10
JPH11131119A (ja) 1999-05-18
ATE217351T1 (de) 2002-05-15
CN1276838A (zh) 2000-12-13
DE69805321T2 (de) 2002-11-28

Similar Documents

Publication Publication Date Title
BR9812981A (pt) Método e aparelho para produzir ferro metálico
TW357193B (en) Manufacturing method of reduced iron and the apparatus
ATE229085T1 (de) Verfahren zur herstellung von eisen und stahl
ES446322A1 (es) Mejoras introducidas en un procedimiento de fabricacion de acero.
JPS57145918A (en) Slag forming material
JPS5343019A (en) Refining method for steel with reduced slag formation
JPS5717444A (en) Manufacture of rock wool
JPS55167112A (en) Manufacture of white phosphorus and steel making mold additive
JPS5221203A (en) Carbon-contained iron-base sintered alloy
JPS5773135A (en) Manufacture of sintered ore with high productivity
JPS52111408A (en) Iron ore sintered pellet
JPS569308A (en) Desulfurization and dephosphorization of molten pig iron
JPS52146718A (en) Method and raw material for smelting copper scrap
JPS579840A (en) Unfired briquetted ore for iron manufacture
JPS53144412A (en) Method of producing sintered ore
JPS5456911A (en) Steel making method using as essential raw material reduced iron and reduced iron briquette used therefor
JPS52123313A (en) Production of low p low c high cr ferro alloy
JPS5798616A (en) Dephosphorizing agent for molten iron
JPS5489915A (en) Iron manufacturing operation method by direct reduction
JPS54100918A (en) Desulfurizing agent
JPS5665944A (en) Manufacture of iron sand sintered ore
JPS5541909A (en) Blowing method of high carbon material
JPS5723039A (en) Sintered pellet of iron ore
JPS52151693A (en) Granulation of converter slag
JPS6428341A (en) Manufacture of molten metal

Legal Events

Date Code Title Description
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]
B24C Patent annual fee: request for for restoration

Free format text: REFERENTE A 12A E 13A ANUIDADES.

B24H Lapse because of non-payment of annual fees (definitively: art 78 iv lpi)
B24F Patent annual fee: publication cancelled

Free format text: ANULADA A PUBLICACAO CODIGO 24.8 NA RPI NO 2258 DE 15/04/2014 POR TER SIDO INDEVIDA.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE AS 12A E 13A ANUIDADES.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2607 DE 22-12-2020 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.