BRPI0717798A2 - Aparelho e método para reduzir óxido de ferro - Google Patents

Aparelho e método para reduzir óxido de ferro

Info

Publication number
BRPI0717798A2
BRPI0717798A2 BRPI0717798-4A2A BRPI0717798A BRPI0717798A2 BR PI0717798 A2 BRPI0717798 A2 BR PI0717798A2 BR PI0717798 A BRPI0717798 A BR PI0717798A BR PI0717798 A2 BRPI0717798 A2 BR PI0717798A2
Authority
BR
Brazil
Prior art keywords
iron oxide
reducing iron
reducing
oxide
iron
Prior art date
Application number
BRPI0717798-4A2A
Other languages
English (en)
Inventor
Jiann-Yang Hwang
Xiaodi Huang
Original Assignee
Jiann-Yang Hwang
Xiaodi Huang
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 Jiann-Yang Hwang, Xiaodi Huang filed Critical Jiann-Yang Hwang
Publication of BRPI0717798A2 publication Critical patent/BRPI0717798A2/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/56—Manufacture of steel by other methods
    • C21C5/567—Manufacture of steel by other methods operating in a continuous way
    • 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
    • C21B13/08—Making spongy iron or liquid steel, by direct processes in rotary 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
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/14—Multi-stage processes processes carried out in different vessels or furnaces
    • C21B13/143—Injection of partially reduced ore into a molten bath
    • 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
    • F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
    • F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
    • F27B7/34—Arrangements of heating devices
    • 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
    • F27B9/14—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment
    • F27B9/16—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a circular or arcuate path
    • 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
    • F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
    • F27B9/36—Arrangements of heating devices
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
    • C21B2100/40—Gas purification of exhaust gases to be recirculated or used in other metallurgical processes
    • C21B2100/42—Sulphur removal
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
    • C21B2100/60—Process control or energy utilisation in the manufacture of iron or steel
    • C21B2100/66—Heat exchange
    • 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
    • Y02P10/122—Reduction of greenhouse gas [GHG] emissions by capturing or storing CO2
    • 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)
  • Furnace Details (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Manufacture Of Iron (AREA)
BRPI0717798-4A2A 2006-10-03 2007-10-03 Aparelho e método para reduzir óxido de ferro BRPI0717798A2 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US84909806P 2006-10-03 2006-10-03
US86567206P 2006-11-14 2006-11-14
PCT/US2007/021254 WO2008051356A2 (en) 2006-10-03 2007-10-03 Microwave heating method and apparatus for iron oxide reduction

Publications (1)

Publication Number Publication Date
BRPI0717798A2 true BRPI0717798A2 (pt) 2014-06-17

Family

ID=39325095

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0717798-4A2A BRPI0717798A2 (pt) 2006-10-03 2007-10-03 Aparelho e método para reduzir óxido de ferro

Country Status (5)

Country Link
EP (1) EP2089549A4 (pt)
CN (1) CN101548024B (pt)
AU (1) AU2007309609B2 (pt)
BR (1) BRPI0717798A2 (pt)
WO (1) WO2008051356A2 (pt)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2011286470A1 (en) 2010-08-03 2013-03-21 Xiaodi Huang Method and apparatus for coproduction of pig iron and high quality syngas
US8741023B2 (en) 2011-08-01 2014-06-03 Superior Mineral Resources LLC Ore beneficiation
US8545594B2 (en) 2011-08-01 2013-10-01 Superior Mineral Resources LLC Ore beneficiation
JP5729278B2 (ja) * 2011-11-30 2015-06-03 新日鐵住金株式会社 固体還元炉
JP5729277B2 (ja) * 2011-11-30 2015-06-03 新日鐵住金株式会社 固体還元炉
CN102425934B (zh) * 2011-12-20 2013-06-26 湖南省中晟热能科技有限公司 一种微波加热高温竖式窑
EP2628805A1 (de) * 2012-02-14 2013-08-21 Siemens VAI Metals Technologies GmbH Verfahren und Vorrichtung zur Reduktion von eisenoxidhältigen Einsatzstoffen in einem Hochdruckreduktionsaggregat
CN102837932B (zh) * 2012-08-03 2015-04-15 莱芜钢铁集团有限公司 一种连续平推式出料装置及其出料方法
CN103205519B (zh) * 2013-04-25 2014-12-03 石家庄市宏晟环保科技有限公司 利用微波加热从炼钢及炼铁除尘灰中提取铁的工艺
TWI588088B (zh) * 2013-12-06 2017-06-21 財團法人工業技術研究院 合成氣的製備方法及其製備系統
CN104561549B (zh) * 2014-12-10 2017-01-04 昆明理工大学 一种微波竖式炉煅烧锰矿石的布料方法
CN105671329B (zh) * 2016-03-25 2018-07-13 江苏省冶金设计院有限公司 处理铅锌冶炼渣的转底炉和方法
CN106011458B (zh) * 2016-06-24 2017-11-17 长沙有色冶金设计研究院有限公司 高砷多金属复杂物料脱砷的方法及其设备
CN108285261B (zh) * 2018-03-20 2024-02-06 中国石油大学(北京) 微波处理含油污泥设备及其处理方法
CN108239688B (zh) * 2018-03-30 2023-05-30 株洲聚润合微波工业炉有限公司 一种微波还原立窑及其还原方法
CN110016532A (zh) * 2018-12-25 2019-07-16 武汉桂坤科技有限公司 一种碳和天然气联合还原及熔分的一体化炼钢工艺
TWI765545B (zh) * 2021-01-27 2022-05-21 永虹先進材料股份有限公司 微波混料裝置
CN114525373B (zh) * 2022-01-20 2023-12-08 华北理工大学 一种微波氢气还原铁矿粉脱硫、磷方法
WO2024047553A1 (de) * 2022-09-01 2024-03-07 Harald Noack Vorrichtung und verfahren zur gasförmigen extraktion von reduzierbaren bestandteilen aus einem ausgangsmaterial sowie ein extraktionssystem

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8915555D0 (en) 1987-11-13 1989-08-31 Wollongong Uniadvice Microwave irradiation of mineral ores and concentrates
US6277168B1 (en) * 2000-02-14 2001-08-21 Xiaodi Huang Method for direct metal making by microwave energy
AUPR186200A0 (en) * 2000-12-04 2001-01-04 Tesla Group Holdings Pty Limited Plasma reduction processing of materials
JP2003183716A (ja) * 2001-12-13 2003-07-03 Nippon Steel Corp 回転床炉を用いた還元鉄製造方法
JP2003187316A (ja) * 2001-12-13 2003-07-04 Hiroshi Arai 自動販売機から携帯端末への情報配信サービス
GB2414729A (en) * 2004-06-01 2005-12-07 Atraverda Ltd Method of producing sub-oxides with a substantially moisture free gas

Also Published As

Publication number Publication date
WO2008051356A2 (en) 2008-05-02
WO2008051356A3 (en) 2009-03-05
EP2089549A4 (en) 2011-03-02
AU2007309609A1 (en) 2008-05-02
EP2089549A2 (en) 2009-08-19
AU2007309609B2 (en) 2012-03-15
CN101548024B (zh) 2013-11-20
CN101548024A (zh) 2009-09-30

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Free format text: COMPLEMENTAR A RETRIBUICAO DA 4A ANUIDADE, DE ACORDO COM TABELA VIGENTE, REFERENTE A GUIA DE RECOLHIMENTO 921106374265.

B06A Notification to applicant to reply to the report for non-patentability or inadequacy of the application according art. 36 industrial patent law
B11B Dismissal acc. art. 36, par 1 of ipl - no reply within 90 days to fullfil the necessary requirements