BR112018004576A2 - aparelho para decompor alcatrão, aparelho para produzir ferro derretido, e método para produzir ferro derretido - Google Patents

aparelho para decompor alcatrão, aparelho para produzir ferro derretido, e método para produzir ferro derretido

Info

Publication number
BR112018004576A2
BR112018004576A2 BR112018004576A BR112018004576A BR112018004576A2 BR 112018004576 A2 BR112018004576 A2 BR 112018004576A2 BR 112018004576 A BR112018004576 A BR 112018004576A BR 112018004576 A BR112018004576 A BR 112018004576A BR 112018004576 A2 BR112018004576 A2 BR 112018004576A2
Authority
BR
Brazil
Prior art keywords
molten iron
iron
gasification furnace
melting
furnace
Prior art date
Application number
BR112018004576A
Other languages
English (en)
Other versions
BR112018004576B1 (pt
Inventor
Kuk Ko Chang
Young Cho Min
Kyun Shin Myoung
Original Assignee
Posco
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 Posco filed Critical Posco
Publication of BR112018004576A2 publication Critical patent/BR112018004576A2/pt
Publication of BR112018004576B1 publication Critical patent/BR112018004576B1/pt

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
    • C21B13/14—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
    • 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
    • C21B13/004—Making spongy iron or liquid steel, by direct processes in a continuous way by reduction from ores
    • 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
    • C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
    • 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
    • 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
    • C21B2100/24—Increasing the gas reduction potential of recycled exhaust gases by shift reactions
    • 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
    • C21B2100/20—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
    • C21B2100/20—Increasing the gas reduction potential of recycled exhaust gases
    • C21B2100/28—Increasing the gas reduction potential of recycled exhaust gases by separation
    • C21B2100/284—Increasing the gas reduction potential of recycled exhaust gases by separation of nitrogen
    • 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
    • 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

Abstract

um aparelho para fabricar ferro fundido de acordo com uma modalidade exemplar da presente invenção inclui: um ou mais fornos redutores que produzem ferro reduzido através da redução de minério; um dispositivo de entrada que alimenta carvão e o ferro reduzido descarregado do forno redutor para um forno de fusão e gaseificação; o forno de fusão e gaseificação que queima o carvão fornecido a partir do dispositivo de entrada pelo uso de oxigênio, e funde o ferro reduzido pelo uso de calor de combustão para fabricar ferro fundido; e um forno de decomposição de alcatrão que é conectado ao forno de fusão e gaseificação, e decompõe um componente de alcatrão incluído no gás descarregado do forno de fusão e gaseificação.
BR112018004576-4A 2015-09-08 2016-06-07 Aparelho para fabricar ferro derretido, aparelho para decompor alcatrão e método de fabricação de ferro derretido BR112018004576B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR10-2015-0127257 2015-09-08
KR1020150127257A KR101660696B1 (ko) 2015-09-08 2015-09-08 타르 분해 장치, 용철 제조 장치 및 용철 제조 방법
PCT/KR2016/005997 WO2017043736A1 (ko) 2015-09-08 2016-06-07 타르 분해 장치， 용철 제조 장치 및 용철 제조 방법

Publications (2)

Publication Number Publication Date
BR112018004576A2 true BR112018004576A2 (pt) 2018-09-25
BR112018004576B1 BR112018004576B1 (pt) 2021-10-19

Family

ID=57101334

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112018004576-4A BR112018004576B1 (pt) 2015-09-08 2016-06-07 Aparelho para fabricar ferro derretido, aparelho para decompor alcatrão e método de fabricação de ferro derretido

Country Status (5)

Country Link
EP (1) EP3348654A4 (pt)
KR (1) KR101660696B1 (pt)
CN (1) CN108026595A (pt)
BR (1) BR112018004576B1 (pt)
WO (1) WO2017043736A1 (pt)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102083539B1 (ko) * 2017-08-23 2020-04-23 주식회사 포스코 용선 제조 설비 및 용선 제조 방법

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100236186B1 (ko) * 1997-08-28 1999-12-15 이구택 일반탄을 이용한 용철제조설비에 있어서 용융로 배가스내의 타르함량 저감장치 및 그 저감방법
KR100286688B1 (ko) * 1998-12-24 2001-11-22 이구택 용융선철제조장치 및 이를 이용한 용융선철제조방법
UA84305C2 (ru) * 2003-12-05 2008-10-10 Поско Способ и устройство для получения расплава чугуна и горячекатанного стального листа
KR100972196B1 (ko) * 2007-12-24 2010-07-23 주식회사 포스코 용철제조장치 및 용철제조방법
JP4436424B2 (ja) * 2007-12-27 2010-03-24 新日本製鐵株式会社 タール含有ガスの改質方法
KR101187851B1 (ko) * 2010-11-19 2012-10-04 주식회사 포스코 용철제조장치 및 이를 이용한 용철제조방법
WO2014131087A1 (en) * 2013-03-01 2014-09-04 John David Winter Method and apparatus for processing carbonaceous material
KR101550893B1 (ko) * 2013-12-10 2015-09-18 주식회사 포스코 용철제조방법 및 용철제조장치
CN104212930B (zh) * 2014-09-05 2016-06-22 钢研晟华工程技术有限公司 一种二步法冶炼铁水的baosherex炼铁工艺

Also Published As

Publication number Publication date
BR112018004576B1 (pt) 2021-10-19
CN108026595A (zh) 2018-05-11
EP3348654A1 (en) 2018-07-18
KR101660696B1 (ko) 2016-09-28
WO2017043736A1 (ko) 2017-03-16
EP3348654A4 (en) 2018-07-18

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Legal Events

Date Code Title Description
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 07/06/2016, OBSERVADAS AS CONDICOES LEGAIS.