CL2021002358A1 - Método para reducción directa en un lecho fluidizado - Google Patents

Método para reducción directa en un lecho fluidizado

Info

Publication number
CL2021002358A1
CL2021002358A1 CL2021002358A CL2021002358A CL2021002358A1 CL 2021002358 A1 CL2021002358 A1 CL 2021002358A1 CL 2021002358 A CL2021002358 A CL 2021002358A CL 2021002358 A CL2021002358 A CL 2021002358A CL 2021002358 A1 CL2021002358 A1 CL 2021002358A1
Authority
CL
Chile
Prior art keywords
fluidized bed
equal
reduction
direct reduction
oxidic iron
Prior art date
Application number
CL2021002358A
Other languages
English (en)
Inventor
Norbert Rein
Johann Wurm
Bernhard Hiebl
Hanspeter Ofner
Roland Eisl
Original Assignee
Primetals Technologies Austria GmbH
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 Primetals Technologies Austria GmbH filed Critical Primetals Technologies Austria GmbH
Publication of CL2021002358A1 publication Critical patent/CL2021002358A1/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
    • C21B13/0033—In fluidised bed furnaces or apparatus containing a dispersion of the material
    • 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
    • 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
    • F27B15/00—Fluidised-bed furnaces; Other furnaces using or treating finely-divided materials in dispersion
    • F27B15/02—Details, accessories, or equipment peculiar to furnaces of these types
    • F27B15/08—Arrangements of devices for charging
    • 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
    • F27B15/00—Fluidised-bed furnaces; Other furnaces using or treating finely-divided materials in dispersion
    • F27B15/02—Details, accessories, or equipment peculiar to furnaces of these types
    • F27B15/09—Arrangements of devices for discharging
    • 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
    • F27B15/00—Fluidised-bed furnaces; Other furnaces using or treating finely-divided materials in dispersion
    • F27B15/02—Details, accessories, or equipment peculiar to furnaces of these types
    • F27B15/10—Arrangements of air or gas supply 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
    • F27B15/00—Fluidised-bed furnaces; Other furnaces using or treating finely-divided materials in dispersion
    • F27B15/02—Details, accessories, or equipment peculiar to furnaces of these types
    • F27B15/18—Arrangements of controlling devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27M—INDEXING SCHEME RELATING TO ASPECTS OF THE CHARGES OR FURNACES, KILNS, OVENS OR RETORTS
    • F27M2003/00—Type of treatment of the charge
    • F27M2003/16—Treatment involving a chemical reaction
    • F27M2003/165—Reduction
    • 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
    • Y02P10/20—Recycling

Abstract

La invención se refiere a un método para la reducción directa de partículas cargadas con hierro oxídico (2) a un producto de reducción (9) en un lecho fluidizado (4) a través del cual un gas de reducción (8) que contiene 30 - 100 % en moles de hidrógeno H2 fluye en flujo cruzado. Al menos 90% en masa de partículas cargadas con hierro oxídico (2) introducidas en el lecho fluidizado (4) tienen un tamaño de partícula menor que o igual a 200 micrómetros. La velocidad superficial U del gas de reducción (9) que fluye a través del lecho fluidizado (4) se establece entre 0,05 m/s y 1 m/s de manera que, para el tamaño de partícula d igual a d30 de las partículas cargadas con hierro oxídico (2) introducidas en el lecho fluidizado (4), está por arriba de la velocidad de suspensión teórica Ut y es menor que o igual a Umax.
CL2021002358A 2019-03-15 2021-09-09 Método para reducción directa en un lecho fluidizado CL2021002358A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19163059.9A EP3708684B1 (de) 2019-03-15 2019-03-15 Verfahren zur direktreduktion in einem fliessbett

Publications (1)

Publication Number Publication Date
CL2021002358A1 true CL2021002358A1 (es) 2022-06-10

Family

ID=65951488

Family Applications (1)

Application Number Title Priority Date Filing Date
CL2021002358A CL2021002358A1 (es) 2019-03-15 2021-09-09 Método para reducción directa en un lecho fluidizado

Country Status (13)

Country Link
US (1) US11685961B2 (es)
EP (1) EP3708684B1 (es)
JP (1) JP7119243B2 (es)
KR (1) KR102424559B1 (es)
CN (1) CN113544292B (es)
AU (1) AU2020242905B2 (es)
BR (1) BR112021015969B1 (es)
CA (1) CA3129937C (es)
CL (1) CL2021002358A1 (es)
ES (1) ES2914337T3 (es)
MX (1) MX2021010922A (es)
PL (1) PL3708684T3 (es)
WO (1) WO2020187672A1 (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE544421C2 (en) 2020-06-26 2022-05-17 Greeniron H2 Ab Method and device for producing direct reduced metal
EP4059597A1 (de) * 2021-03-16 2022-09-21 Primetals Technologies Austria GmbH Fliessbett- oder wirbelschichtreaktor zur behandlung von oxidischem feinerz, insbesondere eisenerz, und verfahren zur herstellung solch eines fliessbettreaktors

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US3022156A (en) * 1953-09-14 1962-02-20 Texaco Inc Process for reduction of iron orew
GB1165827A (en) 1967-12-04 1969-10-01 Exxon Research Engineering Co Iron Ore Reduction
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US3607217A (en) * 1968-12-11 1971-09-21 Exxon Research Engineering Co Agglomeration of particulate metals
US3776533A (en) * 1970-01-28 1973-12-04 Dravo Corp Apparatus for continuous heat processing of ore pellets
US3840363A (en) * 1970-02-12 1974-10-08 Hydrocarbon Research Inc Fluidization of particulate solids
FI62232C (fi) 1973-04-30 1982-12-10 Boliden Ab Foerfarande foer elektroinduktiv vaermning av styckeformigt maerial i en reaktorkammare
FI62233C (fi) 1973-04-30 1982-12-10 Boliden Ab Foerfarande foer elektroinduktiv vaermning av virvelbaeddar avtyckeformigt material
US3948645A (en) 1973-04-30 1976-04-06 Boliden Aktiebolag Method of carrying out heat-requiring chemical and/or physical processes in a fluidized bed
JP2501662B2 (ja) 1990-12-26 1996-05-29 川崎製鉄株式会社 循環流動層予備還元炉の鉱石滞留量制御方法
JPH0860215A (ja) * 1994-08-17 1996-03-05 Kawasaki Heavy Ind Ltd 流動層炉とそれを用いる溶融還元装置
AT405942B (de) 1995-03-17 1999-12-27 Voest Alpine Ind Anlagen Verfahren zur reduktion von feinerz sowie anlage zur durchführung des verfahrens
AT405652B (de) 1996-08-21 1999-10-25 Voest Alpine Ind Anlagen Verfahren zur direktreduktion von teilchenförmigem eisenhältigem material sowie anlage zur durchführung des verfahrens
AT405521B (de) 1996-05-17 1999-09-27 Voest Alpine Ind Anlagen Verfahren zum behandeln teilchenförmigen materials im wirbelschichtverfahren sowie gefäss und anlage zur durchführung des verfahrens
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US5876679A (en) 1997-04-08 1999-03-02 Dorr-Oliver, Inc. Fluid bed reactor
AT407879B (de) 1999-10-28 2001-07-25 Voest Alpine Ind Anlagen Verfahren zur direktreduktion eisenoxidhältigen materials
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KR100411262B1 (ko) 2001-12-21 2003-12-18 주식회사 포스코 유동층로에서의 낙광처리 장치
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EP2664681A1 (de) * 2012-05-16 2013-11-20 Siemens VAI Metals Technologies GmbH Verfahren und Vorrichtung zum Einbringen von feinteilchenförmigem Material in die Wirbelschicht eines Reduktionsaggregates

Also Published As

Publication number Publication date
ES2914337T3 (es) 2022-06-09
BR112021015969A2 (pt) 2021-10-05
CN113544292A (zh) 2021-10-22
EP3708684B1 (de) 2022-03-02
US20220145412A1 (en) 2022-05-12
MX2021010922A (es) 2022-05-30
CA3129937A1 (en) 2020-09-24
PL3708684T3 (pl) 2022-06-20
BR112021015969B1 (pt) 2022-11-29
US11685961B2 (en) 2023-06-27
AU2020242905A1 (en) 2021-09-02
CN113544292B (zh) 2022-12-23
JP7119243B2 (ja) 2022-08-16
CA3129937C (en) 2022-07-12
KR20210125084A (ko) 2021-10-15
WO2020187672A1 (de) 2020-09-24
AU2020242905B2 (en) 2021-11-25
JP2022520496A (ja) 2022-03-30
EP3708684A1 (de) 2020-09-16
KR102424559B1 (ko) 2022-07-25

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