BRPI0822071B8 - equipment and method of manufacture of cast iron. - Google Patents

equipment and method of manufacture of cast iron.

Info

Publication number
BRPI0822071B8
BRPI0822071B8 BRPI0822071A BRPI0822071A BRPI0822071B8 BR PI0822071 B8 BRPI0822071 B8 BR PI0822071B8 BR PI0822071 A BRPI0822071 A BR PI0822071A BR PI0822071 A BRPI0822071 A BR PI0822071A BR PI0822071 B8 BRPI0822071 B8 BR PI0822071B8
Authority
BR
Brazil
Prior art keywords
manufacture
equipment
cast iron
cast
iron
Prior art date
Application number
BRPI0822071A
Other languages
Portuguese (pt)
Inventor
Lee Hoo-Geun
Kim Ki-Hyun
Lee Si-Hyung
Kim Sung-Man
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 BRPI0822071A2 publication Critical patent/BRPI0822071A2/en
Publication of BRPI0822071B1 publication Critical patent/BRPI0822071B1/en
Publication of BRPI0822071B8 publication Critical patent/BRPI0822071B8/en

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
    • 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
    • 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
    • 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
    • C21B2100/28—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
    • C21B2100/44—Removing particles, e.g. by scrubbing, dedusting
    • 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)
  • Dispersion Chemistry (AREA)
  • Manufacture Of Iron (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
BRPI0822071A 2007-12-26 2008-12-17 equipment and method of manufacture of cast iron. BRPI0822071B8 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR1020070137303A KR100930680B1 (en) 2007-12-26 2007-12-26 Molten iron manufacturing equipment and molten iron manufacturing method
KR10-2007-0137303 2007-12-26
PCT/KR2008/007490 WO2009082123A2 (en) 2007-12-26 2008-12-17 Apparatus for manufacturing molten iron and method for manufacturing the same

Publications (3)

Publication Number Publication Date
BRPI0822071A2 BRPI0822071A2 (en) 2015-06-23
BRPI0822071B1 BRPI0822071B1 (en) 2017-06-13
BRPI0822071B8 true BRPI0822071B8 (en) 2017-11-07

Family

ID=40801666

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0822071A BRPI0822071B8 (en) 2007-12-26 2008-12-17 equipment and method of manufacture of cast iron.

Country Status (4)

Country Link
KR (1) KR100930680B1 (en)
CN (1) CN101910423B (en)
BR (1) BRPI0822071B8 (en)
WO (1) WO2009082123A2 (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT509735B1 (en) * 2010-05-11 2012-03-15 Siemens Vai Metals Tech Gmbh METHOD AND DEVICE FOR PRODUCING AT LEAST PARTIALLY REDUCED METAL ORCES AND / OR METALS
KR101249050B1 (en) * 2010-12-22 2013-03-29 주식회사 포스코 Method for manufacturing reducing gas from finex off gas
KR20130072684A (en) * 2011-12-22 2013-07-02 주식회사 포스코 Tuyere assembly for injecting oxygen and pulverized coal into furnace and apparatus for manufacturing molten iron using the same
KR101353456B1 (en) 2011-12-28 2014-01-21 주식회사 포스코 Apparatus for reducing iron ores and apparataus for manufacturing molten iron and reduced iron and method for manufacturing the same
KR101384804B1 (en) * 2012-04-19 2014-04-14 주식회사 포스코 Apparatus for manufacturing molten irons using the exhausted gas and method thereof
KR101321928B1 (en) * 2012-05-16 2013-10-28 주식회사 포스코 Apparatus for manufacturing molten irons and method for manufacturing molten irons using the same
KR101321930B1 (en) * 2012-06-07 2013-10-28 주식회사 포스코 Manufacturing apparatus for reduced iron and manufacturing method thereof using the same
KR101384802B1 (en) * 2012-12-27 2014-04-14 주식회사 포스코 Apparatus for manufacturing molten iron and method for manufacturing thereof
KR101384800B1 (en) * 2012-12-27 2014-04-14 주식회사 포스코 Apparatus for manufacturing molten iron and method for manufacturing thereof
KR101461803B1 (en) * 2013-05-21 2014-11-13 주식회사 포스코 Graphene manufacturing method and manufacturing appratus
CN104831070B (en) * 2015-05-12 2017-01-18 郭民 Smelting reduction metallurgical method
CN108368442A (en) * 2015-11-03 2018-08-03 责任能源股份有限公司 For handling material to generate the system and equipment of synthesis gas in modular construction
KR101795467B1 (en) * 2016-12-05 2017-11-10 주식회사 포스코 Apparatus for manufacturing pig iron and method therefor
KR101998733B1 (en) * 2016-12-22 2019-07-10 주식회사 포스코 Apparatus for manufacturing molten iron and method for manufacturing thereof
KR102104555B1 (en) * 2018-08-02 2020-05-29 주식회사 포스코 Apparatus for reducing emission of carbon dioxide, method for reducing emission of carbon dioxide and manufacturing apparatus of molten iron
KR102255105B1 (en) * 2018-12-13 2021-05-24 주식회사 포스코 Apparatus for recycling ahs of reduction furnace
KR102231655B1 (en) * 2018-12-18 2021-03-23 주식회사 포스코 Manufacturing apparatus of molten iron and manufacturing method of molten iron
KR102328389B1 (en) * 2019-12-04 2021-11-18 주식회사 포스코 Apparatus for manufacturing molten irons and method for manufacturing the same

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11140529A (en) * 1997-11-14 1999-05-25 Nkk Corp Operation of arc furnace
US6027545A (en) * 1998-02-20 2000-02-22 Hylsa, S.A. De C.V. Method and apparatus for producing direct reduced iron with improved reducing gas utilization
KR20020051308A (en) * 2000-12-22 2002-06-29 이구택 Method For Producing Molten Iron And Iron Carbide
KR100391896B1 (en) * 2001-08-06 2003-07-16 재단법인 포항산업과학연구원 Ironmaking process for using sludge drying by off gas of fluidized bed for iron reduction
KR101055846B1 (en) * 2002-12-23 2011-08-09 주식회사 포스코 The apparatus for manufacturing molten iron and its method
CN1852995A (en) * 2003-12-05 2006-10-25 Posco公司 An apparatus for manufacturing a molten iron directly using fine or lump coals and fine iron ores, the method thereof, the integrated steel mill using the same and the method thereof
UA84305C2 (en) * 2003-12-05 2008-10-10 Поско Method and device for obtaining of cast iron melt and hot-rolled steel sheet

Also Published As

Publication number Publication date
BRPI0822071B1 (en) 2017-06-13
CN101910423A (en) 2010-12-08
BRPI0822071A2 (en) 2015-06-23
CN101910423B (en) 2013-06-12
KR20090069591A (en) 2009-07-01
WO2009082123A2 (en) 2009-07-02
WO2009082123A3 (en) 2009-09-17
KR100930680B1 (en) 2009-12-09

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Legal Events

Date Code Title Description
B06A Notification to applicant to reply to the report for non-patentability or inadequacy of the application [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted
B16C Correction of notification of the grant

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 17/12/2008, OBSERVADAS AS CONDICOES LEGAIS. (CO) CARTA PATENTE CORRIGIDA, REFRERENTE RPI 2423 13/06/2017.QUANTO AO ENDERECO DO TITULAR.