BRPI0822071A2 - Equipment and method of manufacture of cast iron. - Google Patents
Equipment and method of manufacture of cast iron.Info
- Publication number
- BRPI0822071A2 BRPI0822071A2 BRPI0822071-9A BRPI0822071A BRPI0822071A2 BR PI0822071 A2 BRPI0822071 A2 BR PI0822071A2 BR PI0822071 A BRPI0822071 A BR PI0822071A BR PI0822071 A2 BRPI0822071 A2 BR PI0822071A2
- Authority
- BR
- Brazil
- Prior art keywords
- manufacture
- equipment
- cast iron
- cast
- iron
- Prior art date
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)
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 true BRPI0822071A2 (en) | 2015-06-23 |
BRPI0822071B1 BRPI0822071B1 (en) | 2017-06-13 |
BRPI0822071B8 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)
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 |
KR101384800B1 (en) * | 2012-12-27 | 2014-04-14 | 주식회사 포스코 | Apparatus for manufacturing molten iron and method for manufacturing thereof |
KR101384802B1 (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 |
WO2017075686A1 (en) * | 2015-11-03 | 2017-05-11 | Responsible Energy Inc. | System and apparatus for processing material to generate syngas in a modular architecture |
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)
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 |
UA77355C2 (en) * | 2002-12-23 | 2006-11-15 | Method and apparatus for manufacturing molten iron | |
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 |
-
2007
- 2007-12-26 KR KR1020070137303A patent/KR100930680B1/en active IP Right Grant
-
2008
- 2008-12-17 CN CN2008801232723A patent/CN101910423B/en active Active
- 2008-12-17 WO PCT/KR2008/007490 patent/WO2009082123A2/en active Application Filing
- 2008-12-17 BR BRPI0822071A patent/BRPI0822071B8/en active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
BRPI0822071B8 (en) | 2017-11-07 |
WO2009082123A3 (en) | 2009-09-17 |
KR20090069591A (en) | 2009-07-01 |
CN101910423A (en) | 2010-12-08 |
WO2009082123A2 (en) | 2009-07-02 |
BRPI0822071B1 (en) | 2017-06-13 |
CN101910423B (en) | 2013-06-12 |
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. |