ZA938935B - Process for producing pig iron from iron ores and appliance for the thermal and/or chemical treatment of a readily disintegrating material or for producing pig iron by means of said process - Google Patents

Process for producing pig iron from iron ores and appliance for the thermal and/or chemical treatment of a readily disintegrating material or for producing pig iron by means of said process

Info

Publication number
ZA938935B
ZA938935B ZA938935A ZA938935A ZA938935B ZA 938935 B ZA938935 B ZA 938935B ZA 938935 A ZA938935 A ZA 938935A ZA 938935 A ZA938935 A ZA 938935A ZA 938935 B ZA938935 B ZA 938935B
Authority
ZA
South Africa
Prior art keywords
iron
pct
reduction
producing pig
iron ores
Prior art date
Application number
ZA938935A
Other languages
English (en)
Inventor
Bogdan Vuletic
Vladan Vuletic
Bojan Vuletic
Original Assignee
Bogdan Vuletic
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 Bogdan Vuletic filed Critical Bogdan Vuletic
Publication of ZA938935B publication Critical patent/ZA938935B/xx

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
    • 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
    • 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
    • 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
    • C21B2100/66—Heat exchange
    • 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
    • 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
    • Y02P10/143—Reduction of greenhouse gas [GHG] emissions of methane [CH4]

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Manufacture Of Iron (AREA)
ZA938935A 1992-11-30 1993-11-30 Process for producing pig iron from iron ores and appliance for the thermal and/or chemical treatment of a readily disintegrating material or for producing pig iron by means of said process ZA938935B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4240197A DE4240197C2 (de) 1992-11-30 1992-11-30 Verfahren zur Herstellung von Roheisen aus Eisenerzen und Vorrichtung zur thermischen und/oder chemischen Behandlung eines leicht zerfallenden Materials oder zur Herstellung von Roheisen mittels dieses Verfahrens

Publications (1)

Publication Number Publication Date
ZA938935B true ZA938935B (en) 1994-08-03

Family

ID=6473993

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA938935A ZA938935B (en) 1992-11-30 1993-11-30 Process for producing pig iron from iron ores and appliance for the thermal and/or chemical treatment of a readily disintegrating material or for producing pig iron by means of said process

Country Status (13)

Country Link
US (1) US5669955A (xx)
EP (1) EP0670910B1 (xx)
JP (1) JPH08503524A (xx)
KR (1) KR100272635B1 (xx)
AT (1) ATE166670T1 (xx)
AU (1) AU678420B2 (xx)
BR (1) BR9307557A (xx)
CA (1) CA2150456A1 (xx)
DE (2) DE4240197C2 (xx)
PL (1) PL174365B1 (xx)
RU (1) RU2118374C1 (xx)
WO (1) WO1994012672A1 (xx)
ZA (1) ZA938935B (xx)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT405742B (de) 1996-07-10 1999-11-25 Voest Alpine Ind Anlagen Verfahren zur herstellung von flüssigem metall und anlage zur durchführung des verfahrens
AT406963B (de) * 1998-08-12 2000-11-27 Voest Alpine Ind Anlagen Verfahren zur herstellung von eisenbriketts und/oder kaltem eisenschwamm
LU90406B1 (fr) 1999-06-21 2000-12-22 Wurth Paul Sa Proc-d- de production de fonte liquide
US6478841B1 (en) 2001-09-12 2002-11-12 Techint Technologies Inc. Integrated mini-mill for iron and steel making
US7793846B2 (en) 2001-12-24 2010-09-14 L-1 Secure Credentialing, Inc. Systems, compositions, and methods for full color laser engraving of ID documents
US20050151307A1 (en) * 2003-09-30 2005-07-14 Ricardo Viramontes-Brown Method and apparatus for producing molten iron
DE102006048600B4 (de) * 2006-10-13 2012-03-29 Siemens Vai Metals Technologies Gmbh Verfahren und Vorrichtung zur Herstellung von geschmolzenem Material
GB2446580B (en) 2007-02-16 2011-09-14 Siemens Vai Metals Tech Ltd Cyclone with classifier inlet and small particle by-pass
AT506640B1 (de) * 2008-03-17 2010-07-15 Siemens Vai Metals Tech Gmbh Verfahren und vorrichtung zur herstellung von flüssigem roheisen oder flüssigen stahlvorprodukten
WO2011001288A2 (en) 2009-06-29 2011-01-06 Bairong Li Metal reduction processes, metallurgical processes and products and apparatus
EP2341307A1 (en) * 2009-12-22 2011-07-06 Tata Steel IJmuiden BV Method and apparatus for continuous combined melting and steel making
US8871000B2 (en) 2010-11-30 2014-10-28 Midrex Technologies, Inc. Electric furnace for producing molten metal having material recycling capability
AT512017B1 (de) 2011-09-30 2014-02-15 Siemens Vai Metals Tech Gmbh Verfahren und vorrichtung zur roheisenerzeugung
US20150275323A1 (en) * 2012-08-22 2015-10-01 Hoffman & Sons Technologies, Llc Production of pig iron
CA2853223C (en) * 2012-08-22 2018-03-06 Hoffman & Sons Technologies, Llc Producing pig iron from iron-containing feed materials
UA111685C2 (uk) * 2012-10-01 2016-05-25 Мідрекс Текнолоджиз, Інк. Пристрій та спосіб для поліпшення однорідності шихти в шахтній печі для комбінованого риформінгу/відновлення
CN103406196A (zh) * 2013-08-16 2013-11-27 辽宁东和耐火材料集团有限公司 一种低品位菱镁矿多级分段选矿提纯及综合利用方法
DE102013015019A1 (de) * 2013-09-10 2015-03-12 Bogdan Vuletic Verfahren und Anlage zur Vergasung von Kohlenstoffträgern und Weiterverarbeitung des produzierten Gases
JP6601046B2 (ja) * 2015-08-05 2019-11-06 日本製鉄株式会社 高炉内の原料排出用スクリューコンベア
CN115307436B (zh) * 2022-10-10 2022-12-13 山东天弘化学有限公司 一种石油焦煅烧装置及煅烧工艺

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE50910C (de) * — W. F. M. Mc. CARTY, 501 Seventh Street, North-West, W. H. ASHTON, 3432 P. Street, North-West, und H. D. WALBRIDGE, 902 Fourteenth Street, North-West, sämmtlich in City and County of Washington, District of Columbia, V. St. A Vorrichtung und Verfahren zur unmittelbaren Gewinnung von Eisen aus Erzen
US1592863A (en) * 1921-09-23 1926-07-20 Johann E Leonarz Metallurgical process
GB346874A (en) * 1930-01-27 1931-04-23 Alfred Stansfield Improvements in or relating to furnaces
US1891850A (en) * 1930-12-03 1932-12-20 Trent Process Corp Direct iron ore reduction
DE618184C (de) * 1932-10-30 1935-09-05 Bbc Brown Boveri & Cie Innenbeheizter Ofen zur Reduktion von Erzen
US2265812A (en) * 1941-04-08 1941-12-09 Nagel Theodore Method of reducing metallic oxides to metal without melting
DE1508496A1 (de) * 1966-04-13 1970-03-26 Metallgesellschaft Ag Vorrichtung zur Vorwaermung festen Materials
US3944413A (en) * 1972-09-15 1976-03-16 Hydrocarbon Research, Inc. Direct reduction of metallic oxides
IT1041142B (it) * 1975-08-05 1980-01-10 Italimpianti Spa Perfezionamento al processo di riduzione diretta id minerali di ferro in reattor a letto fluido
DE2748670C2 (de) * 1977-10-29 1986-07-31 BKMI Industrieanlagen GmbH, 8000 München Verfahren und Vorrichtung zum Brennen von Materialien sehr unterschiedlicher Korngröße, insbesondere Kalksteinschotter
DE2843303C2 (de) * 1978-10-04 1982-12-16 Korf-Stahl Ag, 7570 Baden-Baden Verfahren und Anlage zur Erzeugung von flüssigem Roheisen und Reduktionsgas in einem Einschmelzvergaser
US4670049A (en) * 1984-04-23 1987-06-02 Kelmar John J Oxygen blast furnace for direct steel making
JPS62228878A (ja) * 1986-03-28 1987-10-07 新日本製鐵株式会社 鉄鉱石予備還元装置
JPS6360214A (ja) * 1986-08-29 1988-03-16 Nippon Kokan Kk <Nkk> 鉄鉱石の溶融還元方法

Also Published As

Publication number Publication date
WO1994012672A1 (de) 1994-06-09
ATE166670T1 (de) 1998-06-15
DE4240197A1 (de) 1994-06-01
US5669955A (en) 1997-09-23
DE4240197C2 (de) 1996-04-18
PL174365B1 (pl) 1998-07-31
PL309231A1 (en) 1995-10-02
KR950704515A (ko) 1995-11-20
CA2150456A1 (en) 1994-06-09
DE59308620D1 (de) 1998-07-02
KR100272635B1 (ko) 2000-12-01
AU678420B2 (en) 1997-05-29
JPH08503524A (ja) 1996-04-16
EP0670910B1 (de) 1998-05-27
AU5628894A (en) 1994-06-22
BR9307557A (pt) 1999-06-01
RU2118374C1 (ru) 1998-08-27
EP0670910A1 (de) 1995-09-13

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