JPWO2021220555A1 - - Google Patents

Info

Publication number
JPWO2021220555A1
JPWO2021220555A1 JP2021540264A JP2021540264A JPWO2021220555A1 JP WO2021220555 A1 JPWO2021220555 A1 JP WO2021220555A1 JP 2021540264 A JP2021540264 A JP 2021540264A JP 2021540264 A JP2021540264 A JP 2021540264A JP WO2021220555 A1 JPWO2021220555 A1 JP WO2021220555A1
Authority
JP
Japan
Legal status (The legal status 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 status listed.)
Granted
Application number
JP2021540264A
Other versions
JP7028373B1 (ja
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 filed Critical
Publication of JPWO2021220555A1 publication Critical patent/JPWO2021220555A1/ja
Application granted granted Critical
Publication of JP7028373B1 publication Critical patent/JP7028373B1/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • C21B5/00—Making pig-iron in the blast furnace
    • C21B5/001—Injecting additional fuel or reducing agents
    • 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
    • C21B5/00—Making pig-iron in the blast furnace
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B7/00—Blast furnaces
    • C21B7/002—Evacuating and treating of exhaust gases
    • 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
    • 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
    • F27D17/008—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases cleaning gases
    • 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
    • C21B2100/22—Increasing the gas reduction potential of recycled exhaust gases by reforming
    • 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
    • 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
    • C21B2100/80—Interaction of exhaust gases produced during the manufacture of iron or steel with other processes
    • 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
    • Y02P10/143—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)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
  • Manufacture Of Iron (AREA)
JP2021540264A 2020-04-27 2021-01-06 製鉄設備および還元鉄の製造方法 Active JP7028373B1 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020078526 2020-04-27
JP2020078526 2020-04-27
PCT/JP2021/000237 WO2021220555A1 (ja) 2020-04-27 2021-01-06 製鉄設備および還元鉄の製造方法

Publications (2)

Publication Number Publication Date
JPWO2021220555A1 true JPWO2021220555A1 (ja) 2021-11-04
JP7028373B1 JP7028373B1 (ja) 2022-03-02

Family

ID=78331932

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021540264A Active JP7028373B1 (ja) 2020-04-27 2021-01-06 製鉄設備および還元鉄の製造方法

Country Status (9)

Country Link
US (1) US20230175084A1 (ja)
EP (1) EP4144868B1 (ja)
JP (1) JP7028373B1 (ja)
KR (1) KR20220162174A (ja)
CN (1) CN115427588B (ja)
BR (1) BR112022021678A2 (ja)
CA (1) CA3179019A1 (ja)
TW (1) TWI765521B (ja)
WO (1) WO2021220555A1 (ja)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022264904A1 (ja) * 2021-06-14 2022-12-22 Ｊｆｅスチール株式会社 還元鉄の製造方法
EP4219772A1 (de) * 2022-01-28 2023-08-02 Linde GmbH Eisendirektreduktion mit reduzierter kohlendioxidfreisetzung
CN114480754A (zh) * 2022-01-28 2022-05-13 新疆八一钢铁股份有限公司 一种碳氢耦合的高炉炼铁方法
CN114634831A (zh) * 2022-03-25 2022-06-17 新疆八一钢铁股份有限公司 一种高炉喷吹等离子矩重整循环冶金煤气的工艺方法
GB202213759D0 (en) * 2022-09-20 2022-11-02 Univ Birmingham Improved blast furnace
WO2024165142A1 (en) * 2023-02-07 2024-08-15 NextChem S.p.A. Process of direct reduction of iron ores by means of synthesis gas produced with catalytic partial oxidation

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU582453B2 (en) * 1985-07-18 1989-03-23 Kabushiki Kaisha Kobe Seiko Sho Melt-reductive iron making method from iron ore
AT385051B (de) * 1986-08-07 1988-02-10 Voest Alpine Ag Huettenwerk und verfahren zur erzeugung von stahl
US6045602A (en) * 1998-10-28 2000-04-04 Praxair Technology, Inc. Method for integrating a blast furnace and a direct reduction reactor using cryogenic rectification
AT409634B (de) * 2000-05-15 2002-09-25 Voest Alpine Ind Anlagen Verfahren und vorrichtung zur herstellung von roheisen oder flüssigen stahlvorprodukten aus eisenerzhältigen einsatzstoffen
MY133537A (en) * 2002-01-24 2007-11-30 Kobe Steel Ltd Method for making molten iron
CN100523228C (zh) * 2007-07-31 2009-08-05 张文慧 利用焦炉气制还原气生产海绵铁的方法及其设备
JP5640803B2 (ja) * 2010-03-29 2014-12-17 Ｊｆｅスチール株式会社 高炉又は製鉄所の操業方法
EP2543743B1 (en) * 2010-03-02 2017-11-29 JFE Steel Corporation Blast furnace operation method, iron mill operation method, and method for utilizing a gas containing carbon oxides
JP2012007213A (ja) * 2010-06-25 2012-01-12 Mitsubishi Heavy Ind Ltd 直接還元製鉄法およびそのための還元ガス製造装置
AT511892B1 (de) * 2011-08-31 2013-07-15 Siemens Vai Metals Tech Gmbh Verfahren zur aufbereitung von abgasen aus anlagen zur roheisenherstellung und/oder von synthesegas
KR101321072B1 (ko) * 2011-09-06 2013-10-23 주식회사 포스코 일산화탄소 및 수소를 포함하는 합성가스 제조장치 및 그의 제조방법
CN102758048A (zh) * 2012-07-30 2012-10-31 中冶南方工程技术有限公司 原燃料热装、全热氧高炉与竖炉联合生产工艺
JP6019893B2 (ja) * 2012-07-31 2016-11-02 Ｊｆｅスチール株式会社 高炉の操業方法
WO2014040989A2 (de) * 2012-09-14 2014-03-20 Voestalpine Stahl Gmbh Verfahren zum erzeugen von stahl
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
CN106103746B (zh) * 2014-03-26 2018-07-31 杰富意钢铁株式会社 氧气高炉的操作方法
US10316376B2 (en) * 2015-06-24 2019-06-11 Midrex Technologies, Inc. Methods and systems for increasing the carbon content of sponge iron in a reduction furnace
JP2017088912A (ja) 2015-11-04 2017-05-25 株式会社神戸製鋼所 還元鉄の製造方法
US20190323098A1 (en) * 2016-12-22 2019-10-24 Sabic Global Technologies B.V. Direct reduction process for the production of direct-reduced iron with high purity methane

Also Published As

Publication number Publication date
US20230175084A1 (en) 2023-06-08
TW202140804A (zh) 2021-11-01
CN115427588B (zh) 2024-08-06
CA3179019A1 (en) 2021-11-04
BR112022021678A2 (pt) 2022-12-20
EP4144868A4 (en) 2023-08-30
EP4144868B1 (en) 2024-07-24
TWI765521B (zh) 2022-05-21
JP7028373B1 (ja) 2022-03-02
WO2021220555A1 (ja) 2021-11-04
CN115427588A (zh) 2022-12-02
EP4144868A1 (en) 2023-03-08
KR20220162174A (ko) 2022-12-07

Similar Documents

Publication Publication Date Title
BR112023005462A2 (ja)
BR112023012656A2 (ja)
JPWO2021220555A1 (ja)
BR112021014123A2 (ja)
BR112022009896A2 (ja)
BR112023009656A2 (ja)
BR112022024743A2 (ja)
BR112023006729A2 (ja)
BR102021018859A2 (ja)
BR102021007058A2 (ja)
BR112023008622A2 (ja)
BR102020022030A2 (ja)
BR112023011738A2 (ja)
JPWO2022264904A1 (ja)
JPWO2022270194A1 (ja)
BR112023016292A2 (ja)
BR112023004146A2 (ja)
BR112023011539A2 (ja)
BR112023011610A2 (ja)
BR112023008976A2 (ja)
BR102021020147A2 (ja)
BR102021018926A2 (ja)
BR102021018167A2 (ja)
BR102021017576A2 (ja)
BR102021016837A2 (ja)

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20211110

A871 Explanation of circumstances concerning accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A871

Effective date: 20211110

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20220118

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20220131

R150 Certificate of patent or registration of utility model

Ref document number: 7028373

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150