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TWI615477B - 於還原爐中增加海綿鐵之碳含量之方法及系統 - Google Patents

於還原爐中增加海綿鐵之碳含量之方法及系統 Download PDF

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Publication number
TWI615477B
TWI615477B TW105131905A TW105131905A TWI615477B TW I615477 B TWI615477 B TW I615477B TW 105131905 A TW105131905 A TW 105131905A TW 105131905 A TW105131905 A TW 105131905A TW I615477 B TWI615477 B TW I615477B
Authority
TW
Taiwan
Prior art keywords
gas stream
carbon monoxide
rich gas
rich
providing
Prior art date
Application number
TW105131905A
Other languages
English (en)
Chinese (zh)
Other versions
TW201814054A (zh
Inventor
密穆罕默德尤西夫 摩塔米達西米
Original Assignee
米德瑞克斯科技股份有限公司
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
Priority claimed from US15/270,692 external-priority patent/US10508314B2/en
Application filed by 米德瑞克斯科技股份有限公司 filed Critical 米德瑞克斯科技股份有限公司
Application granted granted Critical
Publication of TWI615477B publication Critical patent/TWI615477B/zh
Publication of TW201814054A publication Critical patent/TW201814054A/zh

Links

Classifications

    • 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
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D3/16—Introducing a fluid jet or current into the charge
    • 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
    • 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
    • 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
    • Y02P10/134—Reduction of greenhouse gas [GHG] emissions by avoiding CO2, e.g. using hydrogen

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)
  • Carbon And Carbon Compounds (AREA)
  • Hydrogen, Water And Hydrids (AREA)
  • Manufacture Of Iron (AREA)
TW105131905A 2016-09-20 2016-10-03 於還原爐中增加海綿鐵之碳含量之方法及系統 TWI615477B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US15/270,692 2016-09-20
US15/270,692 US10508314B2 (en) 2015-06-24 2016-09-20 Methods and systems for increasing the carbon content of sponge iron in a reduction furnace

Publications (2)

Publication Number Publication Date
TWI615477B true TWI615477B (zh) 2018-02-21
TW201814054A TW201814054A (zh) 2018-04-16

Family

ID=61158578

Family Applications (1)

Application Number Title Priority Date Filing Date
TW105131905A TWI615477B (zh) 2016-09-20 2016-10-03 於還原爐中增加海綿鐵之碳含量之方法及系統

Country Status (4)

Country Link
AR (1) AR106401A1 (ru)
RU (1) RU2726175C1 (ru)
TW (1) TWI615477B (ru)
WO (1) WO2018057025A1 (ru)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113874486A (zh) * 2019-06-06 2021-12-31 米德雷克斯技术公司 利用氢气的直接还原工艺

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109661725B (zh) 2016-09-26 2023-07-07 英特尔公司 具有嵌入式通信腔体的管芯
CN109210382B (zh) * 2018-11-13 2023-09-01 乐山师范学院 一种核磁管定量加气装置及其使用方法
US12084730B2 (en) * 2020-03-24 2024-09-10 Midrex Technologies, Inc. Methods and systems for increasing the carbon content of direct reduced iron in a reduction furnace
CN113930262B (zh) * 2020-07-13 2022-11-18 江苏集萃冶金技术研究院有限公司 基于生物质高温热解的高炉煤气还原脱硫工艺

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW505700B (en) * 1999-01-28 2002-10-11 Voest Alpine Ind Anlagen Method for the production of liquid pig iron
TW200530405A (en) * 2004-03-03 2005-09-16 Chia-Cheng Wu Process for recovery of zinc and iron from EAF dust by reduction
CN103388042A (zh) * 2013-07-23 2013-11-13 山东莱钢永锋钢铁有限公司 转炉吹炼一氧化碳枪位操作方法
CN105408500A (zh) * 2013-07-31 2016-03-16 米德雷克斯技术公司 使用天然气将氧化铁还原为金属铁

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62202007A (ja) * 1986-02-28 1987-09-05 Ishikawajima Harima Heavy Ind Co Ltd 酸化鉄の還元方法
US4702766A (en) * 1986-03-21 1987-10-27 Midrex International, B.V. Rotterdam, Zurich Branch Method of increasing carbon content of direct reduced iron and apparatus
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"

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW505700B (en) * 1999-01-28 2002-10-11 Voest Alpine Ind Anlagen Method for the production of liquid pig iron
TW200530405A (en) * 2004-03-03 2005-09-16 Chia-Cheng Wu Process for recovery of zinc and iron from EAF dust by reduction
CN103388042A (zh) * 2013-07-23 2013-11-13 山东莱钢永锋钢铁有限公司 转炉吹炼一氧化碳枪位操作方法
CN105408500A (zh) * 2013-07-31 2016-03-16 米德雷克斯技术公司 使用天然气将氧化铁还原为金属铁

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113874486A (zh) * 2019-06-06 2021-12-31 米德雷克斯技术公司 利用氢气的直接还原工艺
CN113874486B (zh) * 2019-06-06 2023-02-24 米德雷克斯技术公司 利用氢气的直接还原工艺

Also Published As

Publication number Publication date
RU2726175C1 (ru) 2020-07-09
TW201814054A (zh) 2018-04-16
WO2018057025A1 (en) 2018-03-29
AR106401A1 (es) 2018-01-10

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MM4A Annulment or lapse of patent due to non-payment of fees