MX2022013918A - Metodo para producir hierro reducido. - Google Patents

Metodo para producir hierro reducido.

Info

Publication number
MX2022013918A
MX2022013918A MX2022013918A MX2022013918A MX2022013918A MX 2022013918 A MX2022013918 A MX 2022013918A MX 2022013918 A MX2022013918 A MX 2022013918A MX 2022013918 A MX2022013918 A MX 2022013918A MX 2022013918 A MX2022013918 A MX 2022013918A
Authority
MX
Mexico
Prior art keywords
shaft furnace
gas
reducing
producing reduced
iron
Prior art date
Application number
MX2022013918A
Other languages
English (en)
Inventor
Moritoshi Mizutani
Takanobu Inada
Yutaka Ujisawa
Naoto Yasuda
Hitoshi Funagane
Original Assignee
Nippon Steel Corp
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 Nippon Steel Corp filed Critical Nippon Steel Corp
Publication of MX2022013918A publication Critical patent/MX2022013918A/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
    • C21B13/0073—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
    • 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
    • F27B1/00—Shaft or like vertical or substantially vertical furnaces
    • F27B1/10—Details, accessories, or equipment peculiar to furnaces of these types
    • F27B1/16—Arrangements of tuyeres
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste 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
    • 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
    • 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
    • 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
    • Y02P10/134—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)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Manufacture Of Iron (AREA)
  • Control And Safety Of Cranes (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)

Abstract

Este método para producir hierro reducido es un método para producir hierro reducido que produce hierro reducido mediante la reducción de óxido de hierro cargado en un horno de cuba, en el que se calienta una mezcla de gases que contiene un gas reductor y un gas nitrógeno, el gas reductor conteniendo 90% en volumen o más de un gas hidrógeno, se sopla en el horno de cuba desde una tobera equipada en una parte inferior de una zona de reducción del horno de cuba, al menos parte del gas reductor se sopla en una zona de enfriamiento del hierro reducido provisto en una parte inferior del horno de cuba a temperatura normal, y el gas reductor que ha fluido hacia arriba en la zona de enfriamiento se usa para la reducción del óxido de hierro.
MX2022013918A 2020-05-28 2021-05-14 Metodo para producir hierro reducido. MX2022013918A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2020093139 2020-05-28
PCT/JP2021/018391 WO2021241272A1 (ja) 2020-05-28 2021-05-14 還元鉄の製造方法

Publications (1)

Publication Number Publication Date
MX2022013918A true MX2022013918A (es) 2022-11-30

Family

ID=78744545

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2022013918A MX2022013918A (es) 2020-05-28 2021-05-14 Metodo para producir hierro reducido.

Country Status (11)

Country Link
US (1) US20230167517A1 (es)
EP (1) EP4159879A4 (es)
JP (2) JP7575698B2 (es)
KR (1) KR20220158079A (es)
CN (1) CN115552042A (es)
AU (1) AU2021281774B2 (es)
BR (1) BR112022021744A2 (es)
CA (1) CA3176589A1 (es)
MX (1) MX2022013918A (es)
TW (1) TWI789760B (es)
WO (1) WO2021241272A1 (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4253572A1 (de) * 2022-03-30 2023-10-04 Primetals Technologies Austria GmbH Reduktion metalloxidhaltigen materials auf basis von ammoniak nh3
AU2023246848A1 (en) * 2022-03-30 2024-09-26 Primetals Technologies Austria GmbH Reduction of a metal oxide-containing material on the basis of ammonia nh3
SE2250422A1 (en) * 2022-04-01 2023-10-02 Luossavaara Kiirunavaara Ab Method and configuration for producing reduced metal material

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2862808A (en) * 1957-07-31 1958-12-02 Alan N Mann Apparatus and method for reducing iron oxide pellets
JPS4947208A (es) * 1972-03-11 1974-05-07
JPS49121708A (es) * 1973-03-26 1974-11-21
ZA802257B (en) * 1979-04-24 1982-02-24 Foster Wheeler Ltd Production of reducing gas for furnace injection
US4363654A (en) * 1980-04-08 1982-12-14 Geoffrey Frederick Production of reducing gas for furnace injection
US4556417A (en) * 1983-05-17 1985-12-03 Hylsa, S.A. Process for the direct reduction of iron ores
BRPI0611894B1 (pt) * 2005-06-24 2015-07-21 Technological Resources Ptv Ltd Processo e usina para produzir ferro a partir de um material que contém ferro
JP2010046055A (ja) 2008-07-25 2010-03-04 Toshio Kondo 海藻の収穫装置とその装置を使用した収穫方法
CN101586172B (zh) * 2009-07-06 2010-09-01 何德武 金属化球团和还原铁粉的制备方法
CN101787406A (zh) * 2010-01-12 2010-07-28 北京科技大学 一种超细赤铁矿粉非熔态还原工艺及装置
JP5605828B2 (ja) 2010-03-03 2014-10-15 国立大学法人北海道大学 製鉄方法および製鉄システム
CN101935732B (zh) * 2010-08-11 2014-06-11 中冶赛迪上海工程技术有限公司 一种气基还原竖炉还原煤气的入炉方法
JP5594013B2 (ja) * 2010-09-21 2014-09-24 Ｊｆｅスチール株式会社 還元鉄製造方法
KR101178536B1 (ko) * 2010-12-28 2012-08-30 주식회사 포스코 환원철의 제조방법 및 제조장치
CN102206724B (zh) * 2011-05-03 2012-09-05 苏亚杰 焦炉煤气干熄焦联产直接还原铁的方法
JP2013216929A (ja) 2012-04-05 2013-10-24 Jfe Steel Corp 還元鉄の冷却方法
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
CN104293998A (zh) * 2014-07-18 2015-01-21 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
CN105219907A (zh) 2015-10-14 2016-01-06 钢铁研究总院 高磷鲕状赤铁矿气基直接还原-磨矿磁选的炼铁工艺
EP3581663A1 (de) 2018-06-12 2019-12-18 Primetals Technologies Austria GmbH Herstellung von karburiertem eisenschwamm mittels wasserstoffbasierter direktreduktion
JP2020093139A (ja) 2020-03-17 2020-06-18 株式会社三洋物産 遊技機

Also Published As

Publication number Publication date
AU2021281774A1 (en) 2022-12-01
BR112022021744A2 (pt) 2022-12-06
AU2021281774B2 (en) 2024-09-26
JP2024107148A (ja) 2024-08-08
EP4159879A1 (en) 2023-04-05
CN115552042A (zh) 2022-12-30
WO2021241272A1 (ja) 2021-12-02
JPWO2021241272A1 (es) 2021-12-02
EP4159879A4 (en) 2023-12-06
TWI789760B (zh) 2023-01-11
TW202200797A (zh) 2022-01-01
US20230167517A1 (en) 2023-06-01
JP7575698B2 (ja) 2024-10-30
CA3176589A1 (en) 2021-12-02
KR20220158079A (ko) 2022-11-29

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