BR0105934A - Método para produzir ferro metálico granular; método para produzir um aço fundido; dispositivo para alimentar cadinho - Google Patents

Método para produzir ferro metálico granular; método para produzir um aço fundido; dispositivo para alimentar cadinho

Info

Publication number
BR0105934A
BR0105934A BR0105934-3A BR0105934A BR0105934A BR 0105934 A BR0105934 A BR 0105934A BR 0105934 A BR0105934 A BR 0105934A BR 0105934 A BR0105934 A BR 0105934A
Authority
BR
Brazil
Prior art keywords
metallic iron
iron
raw material
producing
crucible
Prior art date
Application number
BR0105934-3A
Other languages
English (en)
Other versions
BR0105934B8 (pt
BR0105934B1 (pt
Inventor
Shuzo Ito
Yasuhiro Tanigaki
Shoichi Kikuchi
Osamu Tsuge
Isao Kobayashi
Keisuke Honda
Koji Tokuda
Hidezaku Okamoto
Original Assignee
Midrex Internat B V Z Rich Bra
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 JP2000094764A external-priority patent/JP4540172B2/ja
Priority claimed from JP2000098825A external-priority patent/JP4214658B2/ja
Priority claimed from JP2000116383A external-priority patent/JP4307686B2/ja
Application filed by Midrex Internat B V Z Rich Bra filed Critical Midrex Internat B V Z Rich Bra
Publication of BR0105934A publication Critical patent/BR0105934A/pt
Publication of BR0105934B1 publication Critical patent/BR0105934B1/pt
Publication of BR0105934B8 publication Critical patent/BR0105934B8/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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/28—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity for treating continuous lengths of work
    • 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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacture Of Iron (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Carbon And Carbon Compounds (AREA)

Abstract

"MéTODO PARA PRODUZIR FERRO METáLICO GRANULAR; MéTODO PARA PRODUZIR UM AçO FUNDIDO; DISPOSITIVO PARA ALIMENTAR CADINHO". A presente invenção é dirigida a um método para produzir ferro metálico granular, incluindo: aquecer uma matéria prima formada compreendendo um agente redutor carbonáceo e uma substância contendo óxido de ferro em um forno de fusão de redução para submeter o óxido de ferro contido na matéria prima formada a redução em estado sólido; e cementar ferro reduzido resultante da redução em estado sólido com carbono contido no agente redutor carbonáceo para fazer o ferro reduzido fundir, enquanto separando para fora componentes de ganga contidos na matéria prima formada e fazendo o ferro metálico fundido resultante coalescer em ferro metálico granular, onde uma gás atmosférico presente na proximidade da matéria prima formada na etapa de cementação e fusão tem um grau de redução não menor que 0,5. A presente invenção também é dirigida a um método para produzir ferro metálico, incluindo formar uma camada de depósito contendo escória produzida no processo de fusão de redução em refratários do cadinho, protegendo assim os refratários do cadinho enquanto produzindo o ferro metálico. A presente invenção é adicionalmente dirigida a um dispositivo para fornecer uma matéria prima auxiliar a um cadinho de um forno de fusão de redução do tipo de cadinho móvel adaptado para produzir ferro metálico, o dispositivo incluindo um duto de suprimento conectando-se verticalmente com uma porção de teto do forno.
BRPI0105934-3B8A 2000-03-30 2001-03-28 mÉtodo para produzir ferro metÁlico granular. BR0105934B8 (pt)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2000094764A JP4540172B2 (ja) 2000-03-30 2000-03-30 粒状金属鉄の製法
JP2000098825A JP4214658B2 (ja) 2000-03-31 2000-03-31 金属鉄の製法
JP2000116383A JP4307686B2 (ja) 2000-04-18 2000-04-18 原料供給装置および還元鉄製造方法
PCT/EP2001/003538 WO2001073137A2 (en) 2000-03-30 2001-03-28 Method of producing metallic iron and raw material feed device

Publications (3)

Publication Number Publication Date
BR0105934A true BR0105934A (pt) 2002-03-26
BR0105934B1 BR0105934B1 (pt) 2013-08-27
BR0105934B8 BR0105934B8 (pt) 2013-09-17

Family

ID=27342889

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0105934-3B8A BR0105934B8 (pt) 2000-03-30 2001-03-28 mÉtodo para produzir ferro metÁlico granular.

Country Status (17)

Country Link
US (1) US6630010B2 (pt)
EP (3) EP1764420B1 (pt)
KR (1) KR100457898B1 (pt)
CN (1) CN1229505C (pt)
AR (1) AR027740A1 (pt)
AT (2) ATE498697T1 (pt)
AU (2) AU783929B2 (pt)
BR (1) BR0105934B8 (pt)
CA (1) CA2374700C (pt)
DE (2) DE60125669T2 (pt)
ES (1) ES2276777T3 (pt)
MX (1) MXPA01012291A (pt)
PE (1) PE20020070A1 (pt)
PL (1) PL201389B1 (pt)
RU (1) RU2228365C2 (pt)
TW (1) TW562862B (pt)
WO (1) WO2001073137A2 (pt)

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CN107083464A (zh) * 2017-05-17 2017-08-22 林芬兰 一种高炉冶炼进料设备
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Also Published As

Publication number Publication date
DE60144072D1 (de) 2011-03-31
BR0105934B8 (pt) 2013-09-17
AU2005232318A1 (en) 2005-12-08
CN1383453A (zh) 2002-12-04
CA2374700C (en) 2006-10-03
CA2374700A1 (en) 2001-10-04
BR0105934B1 (pt) 2013-08-27
WO2001073137A3 (en) 2002-01-10
AR027740A1 (es) 2003-04-09
DE60125669D1 (de) 2007-02-15
CN1229505C (zh) 2005-11-30
ATE350494T1 (de) 2007-01-15
US20010027701A1 (en) 2001-10-11
ATE498697T1 (de) 2011-03-15
KR100457898B1 (ko) 2004-11-18
AU783929B2 (en) 2005-12-22
AU4651501A (en) 2001-10-08
EP2221388A1 (en) 2010-08-25
EP1764420A2 (en) 2007-03-21
TW562862B (en) 2003-11-21
KR20020022132A (ko) 2002-03-25
EP1764420B1 (en) 2011-02-16
MXPA01012291A (es) 2002-07-30
WO2001073137A2 (en) 2001-10-04
EP1764420A3 (en) 2007-04-18
PL353575A1 (en) 2003-12-01
ES2276777T3 (es) 2007-07-01
AU2005232318B2 (en) 2008-10-02
EP1187941A1 (en) 2002-03-20
PL201389B1 (pl) 2009-04-30
DE60125669T2 (de) 2007-11-08
RU2228365C2 (ru) 2004-05-10
PE20020070A1 (es) 2002-02-05
EP1187941B1 (en) 2007-01-03
US6630010B2 (en) 2003-10-07

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