BR7608767A - Processo e aparelho para reducao direta de minerio oxidad - Google Patents
Processo e aparelho para reducao direta de minerio oxidadInfo
- Publication number
- BR7608767A BR7608767A BR7608767A BR7608767A BR7608767A BR 7608767 A BR7608767 A BR 7608767A BR 7608767 A BR7608767 A BR 7608767A BR 7608767 A BR7608767 A BR 7608767A BR 7608767 A BR7608767 A BR 7608767A
- Authority
- BR
- Brazil
- Prior art keywords
- oxided
- mining
- direct reduction
- reduction
- direct
- 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
- C21B13/02—Making spongy iron or liquid steel, by direct processes in shaft 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
- C21B13/02—Making spongy iron or liquid steel, by direct processes in shaft furnaces
- C21B13/029—Introducing coolant gas in the shaft furnaces
-
- 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
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Medicines Containing Material From Animals Or Micro-Organisms (AREA)
- Cosmetics (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Manufacture Of Iron (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/646,137 US4118017A (en) | 1976-01-02 | 1976-01-02 | Shaft furnace design |
Publications (1)
Publication Number | Publication Date |
---|---|
BR7608767A true BR7608767A (pt) | 1977-10-25 |
Family
ID=24591923
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR7608767A BR7608767A (pt) | 1976-01-02 | 1976-12-29 | Processo e aparelho para reducao direta de minerio oxidad |
Country Status (9)
Country | Link |
---|---|
US (1) | US4118017A (pt) |
AU (1) | AU504562B2 (pt) |
BR (1) | BR7608767A (pt) |
CA (1) | CA1085621A (pt) |
DE (1) | DE2659670A1 (pt) |
GB (1) | GB1573420A (pt) |
NO (1) | NO764405L (pt) |
SU (1) | SU655341A3 (pt) |
ZA (1) | ZA767286B (pt) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4160663A (en) * | 1978-02-21 | 1979-07-10 | Jack Hsieh | Method for the direct reduction of iron ore |
DE2810657C2 (de) * | 1978-03-11 | 1980-01-24 | Hamburger Stahlwerke Gmbh, 2103 Hamburg | Verfahren zur Direktreduktion von Eisenerzen |
GB2016124B (en) * | 1978-03-11 | 1982-06-09 | Hamburger Stahlwerke Gmbh | Rocess and apparatus for the direct reduction of iron ores |
US4449671A (en) * | 1981-04-15 | 1984-05-22 | Hylsa, S.A. | Apparatus for separating agglomerated particulate matter |
US4725309A (en) * | 1986-03-17 | 1988-02-16 | Hylsa, S.A. | Method and apparatus for producing hot direct reduced iron |
US5181954A (en) * | 1991-01-14 | 1993-01-26 | Hylsa S.A. De C.V. | Method for coating iron-bearing particles to be processed in a direct reduction process |
KR100463711B1 (ko) * | 1996-06-12 | 2005-02-28 | 뵈스트-알핀 인두스트리안라겐바우 게엠바하 | 해면철을생산하기위한장치및방법 |
DE19625127C2 (de) * | 1996-06-12 | 1998-04-30 | Voest Alpine Ind Anlagen | Vorrichtung und Verfahren zur Erzeugung von Eisenschwamm |
AT405332B (de) * | 1997-07-14 | 1999-07-26 | Voest Alpine Ind Anlagen | Schachtofen |
AT406780B (de) * | 1998-06-03 | 2000-09-25 | Voest Alpine Ind Anlagen | Verfahren und vorrichtung zur thermischen behandlung von agglomeraten |
AT406906B (de) * | 1998-06-03 | 2000-10-25 | Voest Alpine Ind Anlagen | Vorrichtung zum zuführen oder abziehen von gasen für schachtanlagen bzw. reaktoren |
IT1302815B1 (it) * | 1998-12-11 | 2000-09-29 | Danieli & C Ohg Sp | Procedimento ed apparato per la riduzione diretta di minerale diferro con iniezione ottimizzata del gas riducente |
IT1302813B1 (it) * | 1998-12-11 | 2000-09-29 | Danieli & C Ohg Sp | Dispositivo per la riduzione diretta di ossidi di ferroe relativo procedimento |
IT1310772B1 (it) * | 1999-09-06 | 2002-02-22 | Danieli Off Mecc | Forno per la riduzione diretta di ossidi di ferro |
AT505490B1 (de) * | 2007-06-28 | 2009-12-15 | Siemens Vai Metals Tech Gmbh | Verfahren und vorrichtung zur erzeugung von eisenschwamm |
CN102312032A (zh) * | 2011-10-20 | 2012-01-11 | 山东道诚工程技术有限公司 | 一种生产海绵铁的装置 |
EP2653568A1 (de) * | 2012-04-18 | 2013-10-23 | Siemens VAI Metals Technologies GmbH | Vorrichtung und Verfahren zur Flächenbegasung in einem Reduktionsreaktorschacht |
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 |
US12084730B2 (en) * | 2020-03-24 | 2024-09-10 | Midrex Technologies, Inc. | Methods and systems for increasing the carbon content of direct reduced iron in a reduction furnace |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2152687A (en) * | 1937-07-21 | 1939-04-04 | William E Greenawalt | Ore roasting furnace |
US2345067A (en) * | 1939-08-17 | 1944-03-28 | Osann Bernhard | Method of and apparatus for operating shaft furnaces for roasting and the like |
US2532335A (en) * | 1945-07-03 | 1950-12-05 | Pickands Mather & Co | Process for heat-treating solids |
US2693409A (en) * | 1949-11-09 | 1954-11-02 | Battelle Memorial Institute | Treatment of iron ore |
US2670946A (en) * | 1950-10-31 | 1954-03-02 | Pickands Mather & Co | Apparatus for magnetic roasting |
DE1057341B (de) * | 1957-02-23 | 1959-05-14 | Erie Mining Company | Schachtofen zur Waermebehandlung rieselfaehiger kleinerer Einzelkoerner aus feinverteilten mineralischen Feststoffen |
US2931720A (en) * | 1958-09-25 | 1960-04-05 | Pickands Mather & Co | Beneficiation of low-grade hematitic ore materials |
US3850616A (en) * | 1973-10-29 | 1974-11-26 | Armco Steel Corp | Inert gas seal for product discharge from a shaft furnace |
US3836131A (en) * | 1973-12-26 | 1974-09-17 | Mildrex Corp | Apparatus for cooling a moving bed of solid, gas permeable particles |
-
1976
- 1976-01-02 US US05/646,137 patent/US4118017A/en not_active Expired - Lifetime
- 1976-12-07 ZA ZA767286A patent/ZA767286B/xx unknown
- 1976-12-10 AU AU20455/76A patent/AU504562B2/en not_active Expired
- 1976-12-29 BR BR7608767A patent/BR7608767A/pt unknown
- 1976-12-30 NO NO764405A patent/NO764405L/no unknown
- 1976-12-30 DE DE19762659670 patent/DE2659670A1/de not_active Withdrawn
- 1976-12-30 CA CA268,967A patent/CA1085621A/en not_active Expired
- 1976-12-31 GB GB54545/76A patent/GB1573420A/en not_active Expired
- 1976-12-31 SU SU762442427A patent/SU655341A3/ru active
Also Published As
Publication number | Publication date |
---|---|
SU655341A3 (ru) | 1979-03-30 |
US4118017A (en) | 1978-10-03 |
CA1085621A (en) | 1980-09-16 |
DE2659670A1 (de) | 1977-07-14 |
AU2045576A (en) | 1978-06-15 |
ZA767286B (en) | 1977-10-26 |
NO764405L (no) | 1977-07-05 |
GB1573420A (en) | 1980-08-20 |
AU504562B2 (en) | 1979-10-18 |
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