CL2021002551A1 - Método y dispositivo para producir un metal reducido directo. - Google Patents

Método y dispositivo para producir un metal reducido directo.

Info

Publication number
CL2021002551A1
CL2021002551A1 CL2021002551A CL2021002551A CL2021002551A1 CL 2021002551 A1 CL2021002551 A1 CL 2021002551A1 CL 2021002551 A CL2021002551 A CL 2021002551A CL 2021002551 A CL2021002551 A CL 2021002551A CL 2021002551 A1 CL2021002551 A1 CL 2021002551A1
Authority
CL
Chile
Prior art keywords
furnace space
metal material
hydrogen gas
reduced
reached
Prior art date
Application number
CL2021002551A
Other languages
English (en)
Inventor
Hans Murray
Original Assignee
Greeniron H2 Ab
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 Greeniron H2 Ab filed Critical Greeniron H2 Ab
Publication of CL2021002551A1 publication Critical patent/CL2021002551A1/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
    • C21B13/10—Making spongy iron or liquid steel, by direct processes in 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
    • C21B13/004—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
    • C21B13/12—Making spongy iron or liquid steel, by direct processes in electric furnaces
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B5/00—General methods of reducing to metals
    • C22B5/02—Dry methods smelting of sulfides or formation of mattes
    • C22B5/12—Dry methods smelting of sulfides or formation of mattes by 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
    • C21B2100/60—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
    • 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
    • C21C2100/00—Exhaust gas
    • C21C2100/04—Recirculation of the exhaust gas
    • 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

Abstract

Método para producir material de metal reducido directo que comprende los siguientes pasos: a) cargar material de metal a reducir en un espacio de horno (120); b) evacuar una atmósfera existente del espacio de horno (120) para lograr una presión negativa dentro del espacio de horno (120); c) proporcionar, en un paso de calentamiento principal, calor y gas hidrógeno al espacio de horno (120), de forma que el gas hidrógeno calentado calienta el material de metal cargado a una temperatura lo suficientemente alta de forma de que se reducen los óxidos de metal presentes en el material de metal, provocando a su vez que se forme vapor de agua; y d) condensar y recolectar el vapor de agua formado en el paso c en un condensador (160) por debajo del material de metal cargado; caracterizado porque los pasos c y d se realizan al menos hasta que se haya alcanzado una sobrepresión de atmósfera de hidrógeno dentro del espacio de horno (120), y porque no se evacúa gas hidrógeno del espacio de horno (120) hasta que se haya alcanzado dicha sobrepresión. La invención también se refiere a un sistema.
CL2021002551A 2019-04-01 2021-09-30 Método y dispositivo para producir un metal reducido directo. CL2021002551A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1950403A SE543341C2 (en) 2019-04-01 2019-04-01 Method and device for producing direct reduced metal

Publications (1)

Publication Number Publication Date
CL2021002551A1 true CL2021002551A1 (es) 2022-04-29

Family

ID=72666265

Family Applications (3)

Application Number Title Priority Date Filing Date
CL2021002553A CL2021002553A1 (es) 2019-04-01 2021-09-30 Método y dispositivo para producir un metal reducido directo.
CL2021002552A CL2021002552A1 (es) 2019-04-01 2021-09-30 Método y dispositivo para producir un metal reducido directo.
CL2021002551A CL2021002551A1 (es) 2019-04-01 2021-09-30 Método y dispositivo para producir un metal reducido directo.

Family Applications Before (2)

Application Number Title Priority Date Filing Date
CL2021002553A CL2021002553A1 (es) 2019-04-01 2021-09-30 Método y dispositivo para producir un metal reducido directo.
CL2021002552A CL2021002552A1 (es) 2019-04-01 2021-09-30 Método y dispositivo para producir un metal reducido directo.

Country Status (17)

Country Link
US (3) US20220119914A1 (es)
EP (3) EP3947758A4 (es)
JP (3) JP2022528469A (es)
KR (3) KR20210145257A (es)
CN (3) CN113874532B (es)
AU (3) AU2020251282A1 (es)
BR (3) BR112021019298A2 (es)
CA (3) CA3135162A1 (es)
CL (3) CL2021002553A1 (es)
DE (3) DE20782625T1 (es)
ES (3) ES2962701T1 (es)
FI (3) FI3947758T1 (es)
MX (3) MX2021011899A (es)
PL (3) PL3947758T1 (es)
SE (1) SE543341C2 (es)
UA (1) UA127777C2 (es)
WO (3) WO2020204795A1 (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE543341C2 (en) * 2019-04-01 2020-12-08 Greeniron H2 Ab Method and device for producing direct reduced metal
CN117431356B (zh) * 2023-12-20 2024-03-12 山西泰峰合金有限公司 一种用氢气制取微碳铬铁的工艺及制取设备

Family Cites Families (22)

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AT251301B (de) * 1962-09-27 1966-12-27 Nat Smelting Co Ltd Verfahren zur Raffination von unreinem Zink
JPS5083990A (es) * 1973-11-26 1975-07-07
SE382078B (sv) * 1974-05-09 1976-01-12 Skf Nova Ab Forfarande och ugnsanleggning for satsvis framstellning av metallsvamp
CN85103258A (zh) * 1985-04-27 1986-10-22 Skf钢铁工程公司 一种用于还原氧化物料的方法和装置
US4606760A (en) * 1985-05-03 1986-08-19 Huron Valley Steel Corp. Method and apparatus for simultaneously separating volatile and non-volatile metals
DE69032041T2 (de) * 1989-06-02 1998-10-01 Cra Services Vorwärmen und vorreduzieren von metalloxiderzen unter verwendung von abgasen hoher temperatur
JP2934517B2 (ja) * 1991-02-06 1999-08-16 三菱重工業株式会社 金属鉱石の直接還元方法
DE4326562C2 (de) * 1993-08-07 1995-06-22 Gutehoffnungshuette Man Verfahren und Vorrichtung zur Direktreduktion von Feinerzen bzw. Feinerzkonzentraten
LU90273B1 (de) * 1998-08-11 2000-02-14 Wurth Paul Sa Verfahren zur thermischen Behandlung schwermetall-und eisenoxidhaltiger Reststoffe
CN1183261C (zh) * 2000-11-10 2005-01-05 刘恩琛 铁矿还原熔融电弧炼钢炉
AT503593B1 (de) * 2006-04-28 2008-03-15 Siemens Vai Metals Tech Gmbh Verfahren zur herstellung von flüssigem roheisen oder flüssigen stahlvorprodukten aus feinteilchenförmigem eisenoxidhältigem material
SE532975C2 (sv) * 2008-10-06 2010-06-01 Luossavaara Kiirunavaara Ab Förfarande för produktion av direktreducerat järn
AT509073B1 (de) * 2009-12-23 2011-06-15 Siemens Vai Metals Tech Gmbh Verfahren und vorrichtung zur bereitstellung von reduktionsgas aus generatorgas
DE102010022773B4 (de) * 2010-06-04 2012-10-04 Outotec Oyj Verfahren und Anlage zur Erzeugung von Roheisen
IT1402250B1 (it) * 2010-09-29 2013-08-28 Danieli Off Mecc Procedimento ed apparato per la produzione di ferro di riduzione diretta utilizzando una sorgente di gas riducente comprendente idrogeno e monossido di carbonio
KR101197936B1 (ko) * 2010-12-28 2012-11-05 주식회사 포스코 원자로를 이용한 환원철 제조장치 및 이를 이용한 환원철 제조방법
WO2016011122A1 (en) * 2014-07-15 2016-01-21 Midrex Technologies, Inc. Methods and systems for producing direct reduced iron and steel mill fuel gas
CN104087700B (zh) * 2014-07-18 2017-05-03 北京神雾环境能源科技集团股份有限公司 气基竖炉制备海绵铁的方法和系统
KR101617351B1 (ko) * 2014-12-19 2016-05-03 한국생산기술연구원 액체금속을 이용한 환원장치
CN207130292U (zh) * 2017-07-24 2018-03-23 江苏省冶金设计院有限公司 一种竖炉生产直接还原铁的系统
SE543341C2 (en) * 2019-04-01 2020-12-08 Greeniron H2 Ab Method and device for producing direct reduced metal
SE543642C2 (en) * 2019-09-23 2021-05-11 Greeniron H2 Ab Method and device for producing direct reduced, carburized metal

Also Published As

Publication number Publication date
KR20210145257A (ko) 2021-12-01
US20220119914A1 (en) 2022-04-21
FI3947758T1 (sv) 2023-11-06
MX2021011895A (es) 2022-01-06
BR112021019301A2 (pt) 2021-12-14
MX2021011896A (es) 2022-01-06
EP3947757A4 (en) 2022-06-08
ES2962703T1 (es) 2024-03-20
AU2020253206A1 (en) 2021-11-11
JP2022528469A (ja) 2022-06-10
EP3947749A1 (en) 2022-02-09
CN113874533B (zh) 2023-10-27
EP3947758A4 (en) 2022-05-11
DE20782625T1 (de) 2024-01-11
CN113874533A (zh) 2021-12-31
JP2022528463A (ja) 2022-06-10
BR112021019298A2 (pt) 2021-12-14
CA3135155A1 (en) 2020-10-08
DE20784353T1 (de) 2023-12-28
DE20785335T1 (de) 2023-12-21
EP3947757A1 (en) 2022-02-09
CL2021002552A1 (es) 2022-04-29
CA3135159A1 (en) 2020-10-08
AU2020255992A1 (en) 2021-11-11
CN113874532A (zh) 2021-12-31
MX2021011899A (es) 2022-01-06
FI3947757T1 (sv) 2023-11-06
ES2962701T1 (es) 2024-03-20
CN113874532B (zh) 2023-05-26
PL3947758T1 (pl) 2023-11-20
CA3135162A1 (en) 2020-10-08
US20220010405A1 (en) 2022-01-13
WO2020204797A1 (en) 2020-10-08
EP3947749A4 (en) 2022-05-11
ES2962914T1 (es) 2024-03-21
AU2020251282A1 (en) 2021-11-11
WO2020204796A1 (en) 2020-10-08
SE543341C2 (en) 2020-12-08
WO2020204795A1 (en) 2020-10-08
CL2021002553A1 (es) 2022-04-29
PL3947749T1 (pl) 2023-11-27
CN113874528B (zh) 2023-03-21
KR20210144875A (ko) 2021-11-30
UA127777C2 (uk) 2023-12-27
PL3947757T1 (pl) 2023-11-27
CN113874528A (zh) 2021-12-31
FI3947749T1 (sv) 2023-11-06
US20220064744A1 (en) 2022-03-03
EP3947758A1 (en) 2022-02-09
SE1950403A1 (en) 2020-10-02
BR112021019303A2 (pt) 2021-12-14
KR20210144876A (ko) 2021-11-30
JP2022529619A (ja) 2022-06-23

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