KR101197936B1 - 원자로를 이용한 환원철 제조장치 및 이를 이용한 환원철 제조방법 - Google Patents

원자로를 이용한 환원철 제조장치 및 이를 이용한 환원철 제조방법 Download PDF

Info

Publication number
KR101197936B1
KR101197936B1 KR1020100136543A KR20100136543A KR101197936B1 KR 101197936 B1 KR101197936 B1 KR 101197936B1 KR 1020100136543 A KR1020100136543 A KR 1020100136543A KR 20100136543 A KR20100136543 A KR 20100136543A KR 101197936 B1 KR101197936 B1 KR 101197936B1
Authority
KR
South Korea
Prior art keywords
reactor
flow reduction
reduced iron
hydrogen gas
gas
Prior art date
Application number
KR1020100136543A
Other languages
English (en)
Korean (ko)
Other versions
KR20120074644A (ko
Inventor
정준양
김성연
강태욱
김희원
최진식
Original Assignee
주식회사 포스코
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 주식회사 포스코 filed Critical 주식회사 포스코
Priority to KR1020100136543A priority Critical patent/KR101197936B1/ko
Priority to PCT/KR2011/010176 priority patent/WO2012091422A2/ko
Priority to CN2011800633013A priority patent/CN103282520A/zh
Publication of KR20120074644A publication Critical patent/KR20120074644A/ko
Application granted granted Critical
Publication of KR101197936B1 publication Critical patent/KR101197936B1/ko

Links

Images

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
    • C21B13/0006—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state
    • C21B13/0013—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state introduction of iron oxide into a bath of molten iron containing a carbon reductant
    • C21B13/002—Reduction of iron ores by passing through a heated column of carbon
    • 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
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/14—Multi-stage processes processes carried out in different vessels or furnaces
    • C21B13/143—Injection of partially reduced ore into a molten bath
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B15/00—Other processes for the manufacture of iron from iron compounds
    • C21B15/003—By using nuclear energy
    • 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
    • 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

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Dispersion Chemistry (AREA)
  • Manufacture Of Iron (AREA)
  • Manufacture And Refinement Of Metals (AREA)
KR1020100136543A 2010-12-28 2010-12-28 원자로를 이용한 환원철 제조장치 및 이를 이용한 환원철 제조방법 KR101197936B1 (ko)

Priority Applications (3)

Application Number Priority Date Filing Date Title
KR1020100136543A KR101197936B1 (ko) 2010-12-28 2010-12-28 원자로를 이용한 환원철 제조장치 및 이를 이용한 환원철 제조방법
PCT/KR2011/010176 WO2012091422A2 (ko) 2010-12-28 2011-12-27 원자로를 이용한 환원철 제조장치 및 이를 이용한 환원철 제조방법
CN2011800633013A CN103282520A (zh) 2010-12-28 2011-12-27 使用核反应堆的还原铁制备装置及使用该装置的还原铁制备方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020100136543A KR101197936B1 (ko) 2010-12-28 2010-12-28 원자로를 이용한 환원철 제조장치 및 이를 이용한 환원철 제조방법

Publications (2)

Publication Number Publication Date
KR20120074644A KR20120074644A (ko) 2012-07-06
KR101197936B1 true KR101197936B1 (ko) 2012-11-05

Family

ID=46383695

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020100136543A KR101197936B1 (ko) 2010-12-28 2010-12-28 원자로를 이용한 환원철 제조장치 및 이를 이용한 환원철 제조방법

Country Status (3)

Country Link
KR (1) KR101197936B1 (zh)
CN (1) CN103282520A (zh)
WO (1) WO2012091422A2 (zh)

Families Citing this family (3)

* 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
SE543642C2 (en) * 2019-09-23 2021-05-11 Greeniron H2 Ab Method and device for producing direct reduced, carburized metal
SE544421C2 (en) * 2020-06-26 2022-05-17 Greeniron H2 Ab Method and device for producing direct reduced metal

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4047935A (en) * 1974-12-11 1977-09-13 United States Steel Corporation Process for direct-reduction of iron-ore employing nuclear reactor-powdered catalytic reformer
US5082251A (en) * 1990-03-30 1992-01-21 Fior De Venezuela Plant and process for fluidized bed reduction of ore
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
AT403696B (de) * 1996-06-20 1998-04-27 Voest Alpine Ind Anlagen Einschmelzvergaser und anlage für die herstellung einer metallschmelze
AT406271B8 (de) * 1997-08-18 2000-05-25 Voest Alpine Ind Anlagen Verfahren und anlage zur direktreduktion von teilchenförmigem eisenoxidhältigem material
KR100939268B1 (ko) * 2006-08-11 2010-01-29 주식회사 포스코 용철제조장치 및 이를 이용한 용철제조방법
CN101759567A (zh) * 2008-12-16 2010-06-30 亚申科技研发中心（上海）有限公司 利用核能水解产物和二氧化碳生产绿色环保的气、液产品的方法及系统

Also Published As

Publication number Publication date
WO2012091422A2 (ko) 2012-07-05
KR20120074644A (ko) 2012-07-06
CN103282520A (zh) 2013-09-04
WO2012091422A3 (ko) 2012-09-07

Similar Documents

Publication Publication Date Title
FI127827B (en) System and method for direct fluidized bed reduction of iron ore concentrate powder
Na et al. A novel evaluation method for energy efficiency of process industry—A case study of typical iron and steel manufacturing process
Jiang et al. Shaft furnace direct reduction technology-Midrex and Energiron
Jin et al. Mathematical modeling of the energy consumption and carbon emission for the oxygen blast furnace with top gas recycling
CN111979371B (zh) 一种干熄焦耦合竖炉生产直接还原铁的工艺中热量分布式利用的方法
JPWO2011087036A1 (ja) 製鉄方法
Ruiz‐Bustinza et al. Magnetite production from steel wastes with concentrated solar energy
KR101197936B1 (ko) 원자로를 이용한 환원철 제조장치 및 이를 이용한 환원철 제조방법
CN114480754A (zh) 一种碳氢耦合的高炉炼铁方法
Kim et al. Optimized rotary hearth furnace utilization with blast furnace and electric arc furnace: Techno-economics, CO2 reduction
CN105671228A (zh) 氧气高炉与气基竖炉联合生产系统和联合生产方法
Xia et al. The CO2 reduction potential for the oxygen blast furnace with CO2 capture and storage under hydrogen-enriched conditions
JP4427295B2 (ja) 還元性ガスの脱硫方法、高炉操業方法および還元性ガスの利用方法
CN109971906A (zh) 一种超低碳排放生产海绵铁的还原方法
KR101998733B1 (ko) 용선제조장치 및 용선제조방법
CN110054152A (zh) 一种转炉煤气在线提质处理方法
Yao et al. A mathematical model of COREX process with top gas recycling
Duarte et al. Energiron Direct Reduction ironmaking-Economical, flexible, environmentally friendly
JP2023550359A (ja) 浸炭海綿鉄を生成するプロセス
Liang et al. Lower carbon technology approaches for steel manufacturing in China
Nurni et al. Optimizing the Coinjection of Natural Gas and Pulverized Coal for Indian Blast Furnaces Toward Productivity Gains and Lower‐Carbon Emissions
KR101220683B1 (ko) 합성가스를 이용한 환원철 제조장치 및 이를 이용한 환원철 제조방법
Yi et al. Operating experience of the first commercial FINEX ironmaking plant
CN117737324A (zh) 一种副产煤气制取高温富氢煤气高炉炼铁工艺及系统
Różański et al. Decarbonisation pathways of the steel industry

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20151030

Year of fee payment: 4

FPAY Annual fee payment

Payment date: 20171030

Year of fee payment: 6

LAPS Lapse due to unpaid annual fee