MX2013013025A - Sistema y metodo para reducir oxido de hierro a hierro metalico utilizando gas de horno de coque y gas de horno para acero por inyeccion de oxigeno sobre la superficie del caldo. - Google Patents

Sistema y metodo para reducir oxido de hierro a hierro metalico utilizando gas de horno de coque y gas de horno para acero por inyeccion de oxigeno sobre la superficie del caldo.

Info

Publication number
MX2013013025A
MX2013013025A MX2013013025A MX2013013025A MX2013013025A MX 2013013025 A MX2013013025 A MX 2013013025A MX 2013013025 A MX2013013025 A MX 2013013025A MX 2013013025 A MX2013013025 A MX 2013013025A MX 2013013025 A MX2013013025 A MX 2013013025A
Authority
MX
Mexico
Prior art keywords
cog
gas
reducing
iron oxide
coke oven
Prior art date
Application number
MX2013013025A
Other languages
English (en)
Inventor
Gary E Metius
James M Mcclelland Jr
David C Meissner
Original Assignee
Midrex Technologies Inc
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 Midrex Technologies Inc filed Critical Midrex Technologies Inc
Publication of MX2013013025A publication Critical patent/MX2013013025A/es

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
    • C21B13/02—Making spongy iron or liquid steel, by direct processes in shaft furnaces
    • 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
    • C21B2100/20—Increasing the gas reduction potential of recycled exhaust gases
    • C21B2100/26—Increasing the gas reduction potential of recycled exhaust gases by adding additional fuel in recirculation pipes
    • 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
    • C21B2100/20—Increasing the gas reduction potential of recycled exhaust gases
    • C21B2100/28—Increasing the gas reduction potential of recycled exhaust gases by separation
    • C21B2100/282—Increasing the gas reduction potential of recycled exhaust gases by separation of carbon dioxide
    • 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
    • C21B2100/44—Removing particles, e.g. by scrubbing, dedusting
    • 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
    • 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
    • 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
    • Y02P10/143—Reduction of greenhouse gas [GHG] emissions of methane [CH4]

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Iron (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Abstract

Se describe un proceso para reducir el óxido de hierro a hierro metálico utilizando gas de horno de coque (COG), que incluye: un horno de cuba de reducción directa para proporcionar un gas de escape; una fuente de COG para inyectar COG dentro de una corriente de gas reductor que incluye al menos una porción del gas de escape; y el horno de cuba de reducción directa que reduce el óxido de hierro a hierro metálico utilizando la corriente de gas reductor y el COG inyectado. El COG tiene una temperatura de aproximadamente 1,200 grados C o mayor después de la inyección. El COG tiene un contenido de CH4 de entre aproximadamente 2% y aproximadamente 13%. Preferentemente, el COG es COG reformado. Opcionalmente, el COG es COG caliente fresco. La fuente de CDG incluye un sistema de oxidación parcial. Opcionalmente, la fuente de COG incluye un quemador de oxígeno caliente.
MX2013013025A 2011-05-13 2012-02-02 Sistema y metodo para reducir oxido de hierro a hierro metalico utilizando gas de horno de coque y gas de horno para acero por inyeccion de oxigeno sobre la superficie del caldo. MX2013013025A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/107,013 US8496730B2 (en) 2010-05-14 2011-05-13 System and method for reducing iron oxide to metallic iron using coke oven gas and oxygen steelmaking furnace gas
PCT/US2012/023585 WO2012158221A1 (en) 2011-05-13 2012-02-02 System and method for reducing iron oxide to metallic iron using coke oven gas and oxygen steelmaking furnace gas

Publications (1)

Publication Number Publication Date
MX2013013025A true MX2013013025A (es) 2013-12-02

Family

ID=47146792

Family Applications (2)

Application Number Title Priority Date Filing Date
MX2013013026A MX2013013026A (es) 2011-05-13 2011-05-26 Sistema y metodo para reducir oxido de hierro a hierro metalico utilizando gas de horno de coque y gas de horno para acero por inyeccion de oxigeno sobre la superficie del caldo.
MX2013013025A MX2013013025A (es) 2011-05-13 2012-02-02 Sistema y metodo para reducir oxido de hierro a hierro metalico utilizando gas de horno de coque y gas de horno para acero por inyeccion de oxigeno sobre la superficie del caldo.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
MX2013013026A MX2013013026A (es) 2011-05-13 2011-05-26 Sistema y metodo para reducir oxido de hierro a hierro metalico utilizando gas de horno de coque y gas de horno para acero por inyeccion de oxigeno sobre la superficie del caldo.

Country Status (18)

Country Link
US (2) US8496730B2 (es)
EP (2) EP2707511B1 (es)
JP (2) JP5813214B2 (es)
KR (2) KR101551887B1 (es)
CN (2) CN103597099B (es)
AR (2) AR081871A1 (es)
AU (2) AU2011368346B2 (es)
BR (2) BR112013029197B1 (es)
CA (2) CA2835386C (es)
CL (2) CL2013003237A1 (es)
MX (2) MX2013013026A (es)
MY (2) MY157419A (es)
RU (2) RU2561573C2 (es)
TR (2) TR201809243T4 (es)
TW (2) TWI418637B (es)
UA (2) UA108803C2 (es)
WO (2) WO2012158178A1 (es)
ZA (2) ZA201308428B (es)

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Also Published As

Publication number Publication date
MX2013013026A (es) 2013-12-02
EP2707512A1 (en) 2014-03-19
KR20140043385A (ko) 2014-04-09
US8496730B2 (en) 2013-07-30
AR081871A1 (es) 2012-10-24
AR086253A1 (es) 2013-11-27
CN103597099B (zh) 2015-12-02
WO2012158221A1 (en) 2012-11-22
EP2707512B1 (en) 2018-05-02
EP2707511A1 (en) 2014-03-19
BR112013029197B1 (pt) 2022-04-05
RU2013155041A (ru) 2015-06-20
WO2012158178A1 (en) 2012-11-22
EP2707511B1 (en) 2018-06-13
KR20140012169A (ko) 2014-01-29
EP2707511A4 (en) 2014-10-08
RU2561573C2 (ru) 2015-08-27
TR201808706T4 (tr) 2018-07-23
EP2707512A4 (en) 2015-03-04
ZA201308428B (en) 2014-08-27
CN103608468A (zh) 2014-02-26
TWI418637B (zh) 2013-12-11
TR201809243T4 (tr) 2018-07-23
JP5731709B2 (ja) 2015-06-10
AU2012256389B2 (en) 2015-05-28
AU2011368346A1 (en) 2013-11-21
CL2013003238A1 (es) 2014-08-22
CL2013003237A1 (es) 2014-08-22
MY157419A (en) 2016-06-15
CA2835386A1 (en) 2012-11-22
US8685136B2 (en) 2014-04-01
AU2011368346B2 (en) 2015-05-28
BR112013029200A2 (pt) 2017-02-14
TW201245457A (en) 2012-11-16
TW201245458A (en) 2012-11-16
AU2012256389A1 (en) 2013-11-21
TWI456070B (zh) 2014-10-11
MY164763A (en) 2018-01-30
CA2835380C (en) 2015-12-29
CA2835386C (en) 2015-10-06
JP2014514460A (ja) 2014-06-19
CA2835380A1 (en) 2012-11-22
US20120125159A1 (en) 2012-05-24
JP5813214B2 (ja) 2015-11-17
CN103597099A (zh) 2014-02-19
CN103608468B (zh) 2016-03-16
BR112013029200B1 (pt) 2019-12-31
BR112013029197A2 (pt) 2017-02-14
RU2566701C2 (ru) 2015-10-27
ZA201308426B (en) 2014-12-23
KR101551886B1 (ko) 2015-09-18
KR101551887B1 (ko) 2015-09-18
RU2013155113A (ru) 2015-06-20
US20110277591A1 (en) 2011-11-17
JP2014518943A (ja) 2014-08-07
UA108166C2 (uk) 2015-03-25
UA108803C2 (uk) 2015-06-10

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