IT201900021228A1 - Metodo e relativo apparato per la produzione di ferro da riduzione diretta di minerale ferroso - Google Patents

Metodo e relativo apparato per la produzione di ferro da riduzione diretta di minerale ferroso

Info

Publication number
IT201900021228A1
IT201900021228A1 IT102019000021228A IT201900021228A IT201900021228A1 IT 201900021228 A1 IT201900021228 A1 IT 201900021228A1 IT 102019000021228 A IT102019000021228 A IT 102019000021228A IT 201900021228 A IT201900021228 A IT 201900021228A IT 201900021228 A1 IT201900021228 A1 IT 201900021228A1
Authority
IT
Italy
Prior art keywords
iron
production
direct reduction
related apparatus
ferrous mineral
Prior art date
Application number
IT102019000021228A
Other languages
English (en)
Inventor
Barbara Franco
Di Catterina Paolo Roman
Miramontes Jorge Eugenio Martinez
Original Assignee
Danieli Off Mecc
Hyl Tech S A De C V
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 Danieli Off Mecc, Hyl Tech S A De C V filed Critical Danieli Off Mecc
Priority to IT102019000021228A priority Critical patent/IT201900021228A1/it
Priority to PCT/EP2020/081671 priority patent/WO2021094328A1/en
Priority to CN202080092336.9A priority patent/CN114945688A/zh
Priority to EP20800973.8A priority patent/EP4058608A1/en
Priority to US17/776,666 priority patent/US20220396843A1/en
Publication of IT201900021228A1 publication Critical patent/IT201900021228A1/it

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B5/00—Making pig-iron in the blast furnace
    • C21B5/06—Making pig-iron in the blast furnace using top gas in the blast furnace process
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/004—Making spongy iron or liquid steel, by direct processes in a continuous way by reduction from ores
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/0073—Selection or treatment of the reducing gases
    • 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
    • C21B5/00—Making pig-iron in the blast furnace
    • C21B5/001—Injecting additional fuel or reducing agents
    • C21B2005/005—Selection or treatment of the reducing gases
    • 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
    • C21B2100/60—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
    • 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
    • Y02P10/25—Process efficiency
IT102019000021228A 2019-11-14 2019-11-14 Metodo e relativo apparato per la produzione di ferro da riduzione diretta di minerale ferroso IT201900021228A1 (it)

Priority Applications (5)

Application Number Priority Date Filing Date Title
IT102019000021228A IT201900021228A1 (it) 2019-11-14 2019-11-14 Metodo e relativo apparato per la produzione di ferro da riduzione diretta di minerale ferroso
PCT/EP2020/081671 WO2021094328A1 (en) 2019-11-14 2020-11-10 Method and corresponding apparatus for producing iron from direct reduction of iron ore
CN202080092336.9A CN114945688A (zh) 2019-11-14 2020-11-10 通过直接还原铁矿石来生产铁的方法及相应设备
EP20800973.8A EP4058608A1 (en) 2019-11-14 2020-11-10 Method and corresponding apparatus for producing iron from direct reduction of iron ore
US17/776,666 US20220396843A1 (en) 2019-11-14 2020-11-10 Method and corresponding apparatus for producing iron from direct reduction of iron ore

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT102019000021228A IT201900021228A1 (it) 2019-11-14 2019-11-14 Metodo e relativo apparato per la produzione di ferro da riduzione diretta di minerale ferroso

Publications (1)

Publication Number Publication Date
IT201900021228A1 true IT201900021228A1 (it) 2021-05-14

Family

ID=69743877

Family Applications (1)

Application Number Title Priority Date Filing Date
IT102019000021228A IT201900021228A1 (it) 2019-11-14 2019-11-14 Metodo e relativo apparato per la produzione di ferro da riduzione diretta di minerale ferroso

Country Status (5)

Country Link
US (1) US20220396843A1 (it)
EP (1) EP4058608A1 (it)
CN (1) CN114945688A (it)
IT (1) IT201900021228A1 (it)
WO (1) WO2021094328A1 (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE2250624A1 (en) * 2022-05-25 2023-11-26 Hybrit Dev Ab A method and an arrangement for a continuous production of sponge iron from iron ore

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4030093A1 (de) * 1990-09-22 1992-03-26 Metallgesellschaft Ag Verfahren zum aufbereiten von erdgas fuer die direktreduktion von eisenerz im schachtofen
US20010003930A1 (en) * 1997-09-05 2001-06-21 Montague Stephen C. Method for increasing productivity of direct reduction process
WO2016203396A1 (en) * 2015-06-19 2016-12-22 Saudi Iron And Steel Company Enriching natural gas quality through hydrocarbon gas injection
WO2018024767A1 (en) * 2016-08-03 2018-02-08 Danieli & C. Officine Meccaniche S.P.A. Method and apparatus for producing direct reduced iron utilizing a catalytical pretreatment of hydrocarbons as a source of reducing gas

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7608129B2 (en) * 2006-04-24 2009-10-27 Hyl Technologies S.A. De C.V. Method and apparatus for producing direct reduced iron
BR112012002266A2 (pt) * 2009-07-31 2017-08-08 Danieli Off Mecc "método e aparelho para produzir ferro reduzido direto em um sistema de redução direto"
US8496730B2 (en) * 2010-05-14 2013-07-30 Midrex Technologies, Inc. System and method for reducing iron oxide to metallic iron using coke oven gas and oxygen steelmaking furnace gas
UA117374C2 (uk) * 2013-07-31 2018-07-25 Мідрекс Текнолоджиз, Інк. Відновлення оксиду заліза до металевого заліза із застосуванням коксового газу та газу зі сталеплавильної печі з подачею кисню
CN103667573B (zh) * 2013-12-13 2015-12-02 王少立 用焦炉煤气生产直接还原铁短流程工艺

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4030093A1 (de) * 1990-09-22 1992-03-26 Metallgesellschaft Ag Verfahren zum aufbereiten von erdgas fuer die direktreduktion von eisenerz im schachtofen
US20010003930A1 (en) * 1997-09-05 2001-06-21 Montague Stephen C. Method for increasing productivity of direct reduction process
WO2016203396A1 (en) * 2015-06-19 2016-12-22 Saudi Iron And Steel Company Enriching natural gas quality through hydrocarbon gas injection
WO2018024767A1 (en) * 2016-08-03 2018-02-08 Danieli & C. Officine Meccaniche S.P.A. Method and apparatus for producing direct reduced iron utilizing a catalytical pretreatment of hydrocarbons as a source of reducing gas

Also Published As

Publication number Publication date
EP4058608A1 (en) 2022-09-21
WO2021094328A9 (en) 2021-12-16
CN114945688A (zh) 2022-08-26
WO2021094328A1 (en) 2021-05-20
US20220396843A1 (en) 2022-12-15

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