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WO2008122527A3 - Method and device for preparing a reducing agent for use in a metal making process, metal making process and metal making apparatus using said device - Google Patents

Method and device for preparing a reducing agent for use in a metal making process, metal making process and metal making apparatus using said device Download PDF

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Publication number
WO2008122527A3
WO2008122527A3 PCT/EP2008/053733 EP2008053733W WO2008122527A3 WO 2008122527 A3 WO2008122527 A3 WO 2008122527A3 EP 2008053733 W EP2008053733 W EP 2008053733W WO 2008122527 A3 WO2008122527 A3 WO 2008122527A3
Authority
WO
WIPO (PCT)
Prior art keywords
metal making
gas
starting material
making process
combusted
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.)
Ceased
Application number
PCT/EP2008/053733
Other languages
French (fr)
Other versions
WO2008122527A2 (en
Inventor
Mark Bernard Denys
Jan Zuidema
Jeroen Martijn Link
Hendrikus Koenraad Albertus Meijer
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.)
Corus Technology BV
Original Assignee
Corus Technology BV
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 Corus Technology BV filed Critical Corus Technology BV
Priority to RU2009140757/02A priority Critical patent/RU2477755C2/en
Priority to CN200880015245.4A priority patent/CN101688258B/en
Priority to AU2008235542A priority patent/AU2008235542B2/en
Priority to BRPI0810043A priority patent/BRPI0810043B1/en
Publication of WO2008122527A2 publication Critical patent/WO2008122527A2/en
Publication of WO2008122527A3 publication Critical patent/WO2008122527A3/en
Priority to ZA2009/06882A priority patent/ZA200906882B/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • C21B13/14—Multi-stage processes processes carried out in different vessels or furnaces
    • C21B13/143—Injection of partially reduced ore into a molten bath
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
    • C10B47/00—Destructive distillation of solid carbonaceous materials with indirect heating, e.g. by external combustion
    • C10B47/28—Other processes
    • C10B47/32—Other processes in ovens with mechanical conveying means
    • C10B47/44—Other processes in ovens with mechanical conveying means with conveyor-screws
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
    • C10B7/00—Coke ovens with mechanical conveying means for the raw material inside the oven
    • C10B7/10—Coke ovens with mechanical conveying means for the raw material inside the oven with conveyor-screws
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/0006—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/0066—Preliminary conditioning of the solid carbonaceous reductant
    • 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
    • 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
    • C21B2100/64—Controlling the physical properties of the gas, e.g. pressure or temperature
    • 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

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Metallurgy (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Combustion & Propulsion (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Manufacture Of Iron (AREA)

Abstract

The invention relates to a method of preparing a reducing agent having an elevated temperature for use in an metal making process, comprising a) a pyrolysing step of heating a carbonaceous starting material using a heat source wherein the starting material is pyrolysed to a degree of pyrolysis of at most 80% into a partially charred carbonaceous product having an elevated temperature and producing a pyrolysis off-gas comprising volatile substances from the carbonaceous starting material, b) a combustion step of combusting the pyrolysis off-gas, thereby producing a combusted off-gas, wherein the thermal energy of the combusted off-gas is used as the heat source in step a) by bringing the combusted off-gas into direct contact with the carbonaceous starting material and/or wherein the thermal energy of the combusted off-gas is used as the heat source in step a) by heating the carbonaceous starting material without directly contacting the carbonaceous starting material. The invention also relates to a preferred device for performing the method according to the invention, a metal making process, such as an iron making process, making use of the reducing agent preparation process and apparatus for carrying out this process.
PCT/EP2008/053733 2007-04-04 2008-03-28 Method and device for preparing a reducing agent for use in a metal making process, metal making process and metal making apparatus using said device Ceased WO2008122527A2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
RU2009140757/02A RU2477755C2 (en) 2007-04-04 2008-03-28 Method and device for preparation of reducing agent to be used during metal production, metal production process and metal production unit using above described device
CN200880015245.4A CN101688258B (en) 2007-04-04 2008-03-28 Method and apparatus for producing reducing agent used in metal manufacturing method, metal manufacturing method and metal manufacturing apparatus using the same
AU2008235542A AU2008235542B2 (en) 2007-04-04 2008-03-28 Method and device for preparing a reducing agent for use in a metal making process, metal making process and metal making apparatus using said device
BRPI0810043A BRPI0810043B1 (en) 2007-04-04 2008-03-28 process for the production of a molten metal by direct reduction of metal ore, equipment for the production of cast iron by direct reduction of iron ore and use of equipment
ZA2009/06882A ZA200906882B (en) 2007-04-04 2009-10-02 Method and device for preparing a reducing agent for use in metal making process,metal making process and metal apparatus using said device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP07007058.6 2007-04-04
EP07007058 2007-04-04

Publications (2)

Publication Number Publication Date
WO2008122527A2 WO2008122527A2 (en) 2008-10-16
WO2008122527A3 true WO2008122527A3 (en) 2008-12-04

Family

ID=38283226

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2008/053733 Ceased WO2008122527A2 (en) 2007-04-04 2008-03-28 Method and device for preparing a reducing agent for use in a metal making process, metal making process and metal making apparatus using said device

Country Status (6)

Country Link
CN (1) CN101688258B (en)
AU (1) AU2008235542B2 (en)
BR (1) BRPI0810043B1 (en)
RU (1) RU2477755C2 (en)
WO (1) WO2008122527A2 (en)
ZA (1) ZA200906882B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO20141486A1 (en) 2014-12-09 2016-06-10 Elkem As Energy efficient integrated process for the production of metals or alloys
CN106636516A (en) * 2016-12-01 2017-05-10 神雾环保技术股份有限公司 Middle and low grade coal quality dividing gradient utilization system and method
CN106755685A (en) * 2016-12-01 2017-05-31 神雾环保技术股份有限公司 The system and method for middle low-order coal sub-prime cascade utilization
CN106834577A (en) * 2016-12-01 2017-06-13 神雾环保技术股份有限公司 The system and method for middle low-order coal sub-prime cascade utilization
WO2021184078A1 (en) * 2020-03-20 2021-09-23 Technological Resources Pty. Limited Biomass direct reduced iron
CN111487291B (en) * 2020-04-24 2022-11-29 江苏省农业科学院 A method for efficiently evaluating the cooling capacity of peach blossom buds based on electronic nose detection technology
AU2021350108A1 (en) * 2020-09-25 2023-06-08 Carbon Technology Holdings, LLC Bio-reduction of metal ores integrated with biomass pyrolysis
CN116806251A (en) * 2020-11-20 2023-09-26 卡本科技控股有限责任公司 Biomass pyrolysis integrated with bioreduction of metal ores, hydrogen production and/or activated carbon production

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2741216A1 (en) * 1977-02-02 1978-08-03 New Zealand Steel Ltd Iron ore reduction process - includes heating mixt. of reductant and iron ore to allow partial charring before passing mixt. to reduction furnace
EP0184405A2 (en) * 1984-12-03 1986-06-11 Canadian Patents & Development Ltd. Processes and apparatus for the smelting reduction of ores
US5151159A (en) * 1990-11-15 1992-09-29 Coal Technology Corporation Method and apparatus for converting coal into liquid fuel and metallurgical coke
EP0726326A2 (en) * 1995-02-13 1996-08-14 Hoogovens Staal B.V. Method for producing molten pig iron
CA2315031A1 (en) * 1997-12-26 1999-07-08 Nkk Corporation Refining method of molten iron and smelting reduction method for producing molten iron
EP1380656A1 (en) * 2002-07-10 2004-01-14 Corus Technology BV Direct melting furnace and process therefor
US20060280670A1 (en) * 2005-06-10 2006-12-14 Teeter Gerald A Method and apparatus for producing charcoal

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6193781B1 (en) * 1997-12-09 2001-02-27 The Boc Group, Inc. Method of smelting iron ore
RU2325445C2 (en) * 2002-07-10 2008-05-27 Корус Текнолоджи Бв Metallurgical vessel and method of direct reduction of iron

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2741216A1 (en) * 1977-02-02 1978-08-03 New Zealand Steel Ltd Iron ore reduction process - includes heating mixt. of reductant and iron ore to allow partial charring before passing mixt. to reduction furnace
EP0184405A2 (en) * 1984-12-03 1986-06-11 Canadian Patents & Development Ltd. Processes and apparatus for the smelting reduction of ores
US5151159A (en) * 1990-11-15 1992-09-29 Coal Technology Corporation Method and apparatus for converting coal into liquid fuel and metallurgical coke
EP0726326A2 (en) * 1995-02-13 1996-08-14 Hoogovens Staal B.V. Method for producing molten pig iron
CA2315031A1 (en) * 1997-12-26 1999-07-08 Nkk Corporation Refining method of molten iron and smelting reduction method for producing molten iron
EP1380656A1 (en) * 2002-07-10 2004-01-14 Corus Technology BV Direct melting furnace and process therefor
US20060280670A1 (en) * 2005-06-10 2006-12-14 Teeter Gerald A Method and apparatus for producing charcoal

Also Published As

Publication number Publication date
BRPI0810043A2 (en) 2014-10-14
CN101688258A (en) 2010-03-31
RU2477755C2 (en) 2013-03-20
WO2008122527A2 (en) 2008-10-16
CN101688258B (en) 2015-09-09
AU2008235542A1 (en) 2008-10-16
AU2008235542B2 (en) 2013-03-21
RU2009140757A (en) 2011-05-20
ZA200906882B (en) 2010-12-29
BRPI0810043B1 (en) 2016-09-27
BRPI0810043A8 (en) 2015-11-24

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