EP2089549A4 - Microwave heating method and apparatus for iron oxide reduction - Google Patents

Microwave heating method and apparatus for iron oxide reduction

Info

Publication number
EP2089549A4
EP2089549A4 EP07839202A EP07839202A EP2089549A4 EP 2089549 A4 EP2089549 A4 EP 2089549A4 EP 07839202 A EP07839202 A EP 07839202A EP 07839202 A EP07839202 A EP 07839202A EP 2089549 A4 EP2089549 A4 EP 2089549A4
Authority
EP
European Patent Office
Prior art keywords
iron oxide
microwave heating
heating method
oxide reduction
reduction
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP07839202A
Other languages
German (de)
French (fr)
Other versions
EP2089549A2 (en
Inventor
Jiann-Yang Hwang
Xiaodi Huang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP2089549A2 publication Critical patent/EP2089549A2/en
Publication of EP2089549A4 publication Critical patent/EP2089549A4/en
Withdrawn legal-status Critical Current

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)
EP07839202A 2006-10-03 2007-10-03 Microwave heating method and apparatus for iron oxide reduction Withdrawn EP2089549A4 (en)

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 (2)

Publication Number Publication Date
EP2089549A2 EP2089549A2 (en) 2009-08-19
EP2089549A4 true EP2089549A4 (en) 2011-03-02

Family

ID=39325095

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07839202A Withdrawn EP2089549A4 (en) 2006-10-03 2007-10-03 Microwave heating method and apparatus for iron oxide reduction

Country Status (5)

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

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
CA2843948C (en) 2011-08-01 2015-03-31 Superior Mineral Resources LLC Ore beneficiation
US8545594B2 (en) 2011-08-01 2013-10-01 Superior Mineral Resources LLC Ore beneficiation
JP5729278B2 (en) * 2011-11-30 2015-06-03 新日鐵住金株式会社 Solid reduction furnace
JP5729277B2 (en) * 2011-11-30 2015-06-03 新日鐵住金株式会社 Solid reduction furnace
CN102425934B (en) * 2011-12-20 2013-06-26 湖南省中晟热能科技有限公司 Microwave heating high-temperature vertical kiln
EP2628805A1 (en) 2012-02-14 2013-08-21 Siemens VAI Metals Technologies GmbH Method and device for reducing the raw materials containing iron oxide in a high-pressure reduction unit
CN102837932B (en) * 2012-08-03 2015-04-15 莱芜钢铁集团有限公司 Continuous flat-pushing type discharge device and discharge method thereof
CN103205519B (en) * 2013-04-25 2014-12-03 石家庄市宏晟环保科技有限公司 Technology for extracting iron from steel-making and ironmaking fly ash by micro-wave heating
TWI588088B (en) * 2013-12-06 2017-06-21 財團法人工業技術研究院 Method for preparing synthesis gas and preparing system thereof
CN104561549B (en) * 2014-12-10 2017-01-04 昆明理工大学 A kind of distributing method of microwave shaft (tower) furnace calcining manganese ore
CN105671329B (en) * 2016-03-25 2018-07-13 江苏省冶金设计院有限公司 Handle the rotary hearth furnace and method of lead and zinc smelting dreg
CN106011458B (en) * 2016-06-24 2017-11-17 长沙有色冶金设计研究院有限公司 The method and its equipment of high arsenic multi-metal complex material dearsenification
CN108285261B (en) * 2018-03-20 2024-02-06 中国石油大学(北京) Device for treating oily sludge by microwaves and treatment method thereof
CN108239688B (en) * 2018-03-30 2023-05-30 株洲聚润合微波工业炉有限公司 Microwave reduction vertical kiln and reduction method thereof
CN110016532A (en) * 2018-12-25 2019-07-16 武汉桂坤科技有限公司 A kind of carbon and the reduction of natural gas joint and molten point of integrated process for making
TWI765545B (en) * 2021-01-27 2022-05-21 永虹先進材料股份有限公司 Microwave mixing device
CN114525373B (en) * 2022-01-20 2023-12-08 华北理工大学 Method for desulfurizing and phosphorus by reducing iron ore powder with microwave hydrogen
WO2024047553A1 (en) * 2022-09-01 2024-03-07 Harald Noack Device and method for the gaseous extraction of reducible constituents from a starting material, and extraction system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989004379A1 (en) * 1987-11-13 1989-05-18 Wollongong Uniadvice Limited Microwave irradiation of mineral ores and concentrates
WO2002046482A1 (en) * 2000-12-04 2002-06-13 Tesla Group Holdings Pty Limited Plasma reduction processing of materials
JP2003183716A (en) * 2001-12-13 2003-07-03 Nippon Steel Corp Method for manufacturing reduced iron by using rotary bed furnace
WO2005118480A1 (en) * 2004-06-01 2005-12-15 Atraverda Limited Reduced moisture chemical reactions

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6277168B1 (en) * 2000-02-14 2001-08-21 Xiaodi Huang Method for direct metal making by microwave energy
JP2003187316A (en) * 2001-12-13 2003-07-04 Hiroshi Arai Information distribution service from automatic vending machine to portable terminal

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989004379A1 (en) * 1987-11-13 1989-05-18 Wollongong Uniadvice Limited Microwave irradiation of mineral ores and concentrates
WO2002046482A1 (en) * 2000-12-04 2002-06-13 Tesla Group Holdings Pty Limited Plasma reduction processing of materials
JP2003183716A (en) * 2001-12-13 2003-07-03 Nippon Steel Corp Method for manufacturing reduced iron by using rotary bed furnace
WO2005118480A1 (en) * 2004-06-01 2005-12-15 Atraverda Limited Reduced moisture chemical reactions

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2008051356A2 *

Also Published As

Publication number Publication date
AU2007309609A1 (en) 2008-05-02
WO2008051356A2 (en) 2008-05-02
WO2008051356A3 (en) 2009-03-05
CN101548024B (en) 2013-11-20
EP2089549A2 (en) 2009-08-19
AU2007309609B2 (en) 2012-03-15
BRPI0717798A2 (en) 2014-06-17
CN101548024A (en) 2009-09-30

Similar Documents

Publication Publication Date Title
EP2089549A4 (en) Microwave heating method and apparatus for iron oxide reduction
EG26282A (en) Method and apparatus for producing direct reduced iron
HK1132317A1 (en) Apparatus and method for heating and/or cooling
HK1124202A1 (en) Induction heating apparatus
EP2157193A4 (en) Metal plate induction heating device and induction heating method
GB2477878B (en) Device and method for heating metallic work pieces
HK1079035A1 (en) Apparatus and method for heating works
HK1140091A1 (en) Heating apparatus and method for making the same
EP2104207A4 (en) Apparatus and method for heating stator coil
EP2434837A4 (en) Microwave heating device and microwave heating method
EP1954098A4 (en) Power control device for high-frequency dielectric heating and its control method
EP1877256A4 (en) Method and apparatus for heating an object
EP1997278A4 (en) Communications apparatus and control method therefor
EP2039026A4 (en) Method and apparatus for interference reduction
EP2049725A4 (en) Apparatus for treating clothes and method for controlling the same
EP2220279A4 (en) Method and apparatus for treating laundry
EP2126957A4 (en) Apparatus and method for cooling ions
EP2196023A4 (en) Display apparatus and method for reducing electromagnetic interference thereof
EP1974588A4 (en) Electromagnetically shielded induction heating apparatus
EP2220280A4 (en) Method and apparatus for treating laundry
EP2016279A4 (en) Method and apparatus for hot forming elongated metallic bars
PL2322855T3 (en) Operating method and operation control apparatus for gasification-melting furnace
GB0511702D0 (en) Heating apparatus and method
ZA201003510B (en) Reducing furnace and apparatus for manufacturing molten iron comprising the same
EP2102372A4 (en) Metohd and apparatus for treating return ores using plasma

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20090504

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20110127

17Q First examination report despatched

Effective date: 20111202

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20140501