ATE235564T1 - Verfahren und vorrichtung zur direktreduktion von eisenerzen - Google Patents
Verfahren und vorrichtung zur direktreduktion von eisenerzenInfo
- Publication number
- ATE235564T1 ATE235564T1 AT99956286T AT99956286T ATE235564T1 AT E235564 T1 ATE235564 T1 AT E235564T1 AT 99956286 T AT99956286 T AT 99956286T AT 99956286 T AT99956286 T AT 99956286T AT E235564 T1 ATE235564 T1 AT E235564T1
- Authority
- AT
- Austria
- Prior art keywords
- direct reduction
- iron ores
- ores
- iron
- reduction
- Prior art date
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title 2
- 229910052742 iron Inorganic materials 0.000 title 1
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
- C21B13/0073—Selection or treatment of the reducing gases
-
- 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
- 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
- C21B2100/26—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
- C21B2100/40—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
- C21B2100/64—Controlling the physical properties of the gas, e.g. pressure or temperature
-
- 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 Of Iron (AREA)
- Compounds Of Iron (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT1998UD000212A IT1302811B1 (it) | 1998-12-11 | 1998-12-11 | Procedimento e relativo apparato per la riduzione direttadi ossidi di ferro |
| PCT/IB1999/001940 WO2000036156A1 (en) | 1998-12-11 | 1999-12-06 | Method and apparatus for the direct reduction of iron oxides |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE235564T1 true ATE235564T1 (de) | 2003-04-15 |
Family
ID=11422794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT99956286T ATE235564T1 (de) | 1998-12-11 | 1999-12-06 | Verfahren und vorrichtung zur direktreduktion von eisenerzen |
Country Status (10)
| Country | Link |
|---|---|
| US (3) | US6395055B1 (de) |
| EP (1) | EP1147233B1 (de) |
| AR (2) | AR026103A1 (de) |
| AT (1) | ATE235564T1 (de) |
| AU (2) | AU1291900A (de) |
| BR (2) | BR9916118A (de) |
| DE (1) | DE69906384T2 (de) |
| EG (2) | EG22422A (de) |
| IT (1) | IT1302811B1 (de) |
| WO (2) | WO2000036156A1 (de) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6602317B2 (en) * | 1997-09-05 | 2003-08-05 | Midrex International, B.V. Rotterdam, Zurich Branch | Method and apparatus for controlling temperature uniformity of the burden in a direct reduction shaft furnace |
| UA78139C2 (en) * | 2002-12-12 | 2007-02-15 | Method (variants) and device (variants) for adjusting of charge temperature homogrneity and a method for direct reduction of ferric oxides in the direct reduction shaft furnace | |
| FR2881297B1 (fr) * | 2005-01-27 | 2007-05-18 | Schneider Toshiba Inverter | Procede et systeme de gestion de la tension sur le bus continu d'un variateur de vitesse pour moteur electrique |
| ITMI20060158A1 (it) * | 2006-01-31 | 2007-08-01 | Danieli Off Mecc | Processo ed impianto di riduzione |
| US7608129B2 (en) * | 2006-04-24 | 2009-10-27 | Hyl Technologies S.A. De C.V. | Method and apparatus for producing direct reduced iron |
| DE102006062689B4 (de) * | 2006-12-21 | 2009-01-22 | Mines And Metals Engineering Gmbh (M.M.E.) | Schachtofen für die direkte Reduktion von Eisenoxid |
| WO2013013295A1 (en) * | 2011-07-26 | 2013-01-31 | Hatch Ltd. | Improved process for direct reduction of iron oxide |
| JP2015532948A (ja) | 2012-09-14 | 2015-11-16 | フェストアルピネ シュタール ゲーエムベーハーＶｏｅｓｔａｌｐｉｎｅ Ｓｔａｈｌ Ｇｍｂｈ | 直接還元システムのためのプロセスガスを加熱する方法 |
| US20140167336A1 (en) | 2012-12-18 | 2014-06-19 | L'air Liquide Societe Anonyme Pour I'etude Et I'exploitation Des Procedes Georges Claude | Integration of oxygen transport membrane with coal based dri process |
| MX368822B (es) * | 2013-02-27 | 2019-10-15 | Hyl Tech S A De C V | Proceso de reduccion directa con calidad de producto y eficiencia de proceso mejoradas. |
| CN104726699B (zh) * | 2015-03-25 | 2017-03-01 | 甘肃酒钢集团宏兴钢铁股份有限公司 | 利用冶金含铁尘泥生产的高强度复合金属化球团及其生产工艺 |
| EP3397780B1 (de) * | 2015-12-28 | 2020-04-08 | HYL Technologies, S.A. de C.V. | Verfahren und system zur herstellung von kohlenstoffreichem dri mit synthesegas |
| ES2960574T3 (es) * | 2018-03-27 | 2024-03-05 | Midrex Technologies Inc | Sistema de inyección de oxígeno para un procedimiento de reducción directa |
| DE102021112922A1 (de) * | 2021-06-02 | 2022-12-08 | Thyssenkrupp Steel Europe Ag | Verfahren zur Direktreduktion von Eisenerz |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4054444A (en) * | 1975-09-22 | 1977-10-18 | Midrex Corporation | Method for controlling the carbon content of directly reduced iron |
| GB2016124B (en) * | 1978-03-11 | 1982-06-09 | Hamburger Stahlwerke Gmbh | Rocess and apparatus for the direct reduction of iron ores |
| US4270739A (en) * | 1979-10-22 | 1981-06-02 | Midrex Corporation | Apparatus for direct reduction of iron using high sulfur gas |
| US4351513A (en) * | 1981-01-29 | 1982-09-28 | Midrex Corporation | Direct reduction of iron using coke oven gas |
| US4536213A (en) * | 1984-09-10 | 1985-08-20 | Mildrex International, B.V. | Reforming of higher hydrocarbons for metal oxide reduction |
| EP0257173B1 (de) * | 1986-08-12 | 1990-03-14 | VOEST-ALPINE INDUSTRIEANLAGENBAU GESELLSCHAFT m.b.H. | Hüttenwerk sowie Verfahren zum Betrieb eines solchen Hüttenwerkes |
| US4834792A (en) * | 1986-08-21 | 1989-05-30 | Hylsa S.A. De C.V. | Method for producing hot sponge iron by introducing hydrocarbon for carburizing into reduction zone |
| AT388176B (de) * | 1987-07-30 | 1989-05-10 | Voest Alpine Ag | Verfahren und anlage zur gewinnung von fluessigem roheisen oder stahlvorprodukten aus stueckigen, eisenoxidhaeltigen einsatzstoffen |
| US5069716A (en) * | 1989-12-22 | 1991-12-03 | C.V.G. Siderurgica Del Orinoco, C.A. | Process for the production of liquid steel from iron containing metal oxides |
| DE4030093A1 (de) * | 1990-09-22 | 1992-03-26 | Metallgesellschaft Ag | Verfahren zum aufbereiten von erdgas fuer die direktreduktion von eisenerz im schachtofen |
| CA2090906A1 (en) * | 1992-03-05 | 1993-09-06 | Corporacion Venezolana De Guayana (Cvg) | Method for improving quality of reforming gas used in the direct reduction of metal oxides |
| US5702246A (en) * | 1996-02-22 | 1997-12-30 | Xera Technologies Ltd. | Shaft furnace for direct reduction of oxides |
| 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 |
| US6183535B1 (en) * | 1998-10-16 | 2001-02-06 | Hylsa, S.A. De C.V. | Method for increasing the capacity of a direct reduced iron plant without increasing its reformer capacity |
-
1998
- 1998-12-11 IT IT1998UD000212A patent/IT1302811B1/it active IP Right Grant
-
1999
- 1999-11-12 EG EG157199A patent/EG22422A/xx active
- 1999-12-06 AT AT99956286T patent/ATE235564T1/de active
- 1999-12-06 WO PCT/IB1999/001940 patent/WO2000036156A1/en not_active Ceased
- 1999-12-06 AU AU12919/00A patent/AU1291900A/en not_active Abandoned
- 1999-12-06 EP EP99956286A patent/EP1147233B1/de not_active Expired - Lifetime
- 1999-12-06 AU AU12921/00A patent/AU1292100A/en not_active Abandoned
- 1999-12-06 WO PCT/IB1999/001942 patent/WO2000036158A1/en not_active Ceased
- 1999-12-06 BR BR9916118-4A patent/BR9916118A/pt not_active IP Right Cessation
- 1999-12-06 DE DE69906384T patent/DE69906384T2/de not_active Expired - Lifetime
- 1999-12-06 BR BR9916119-2A patent/BR9916119A/pt not_active IP Right Cessation
- 1999-12-09 AR ARP990106283A patent/AR026103A1/es active IP Right Grant
- 1999-12-09 AR ARP990106284A patent/AR021609A1/es active IP Right Grant
- 1999-12-10 US US09/457,714 patent/US6395055B1/en not_active Expired - Lifetime
- 1999-12-10 US US09/457,711 patent/US6319301B1/en not_active Expired - Lifetime
- 1999-12-11 EG EG157499A patent/EG22368A/xx active
-
2001
- 2001-10-02 US US09/968,014 patent/US6551549B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| BR9916119A (pt) | 2001-07-24 |
| US6319301B1 (en) | 2001-11-20 |
| ITUD980212A1 (it) | 2000-06-11 |
| US6395055B1 (en) | 2002-05-28 |
| BR9916118A (pt) | 2001-07-24 |
| US6551549B2 (en) | 2003-04-22 |
| US20020030310A1 (en) | 2002-03-14 |
| EG22422A (en) | 2003-01-29 |
| AU1292100A (en) | 2000-07-03 |
| EG22368A (en) | 2002-12-31 |
| IT1302811B1 (it) | 2000-09-29 |
| AR026103A1 (es) | 2003-01-29 |
| DE69906384T2 (de) | 2003-09-04 |
| AR021609A1 (es) | 2002-07-31 |
| WO2000036158A1 (en) | 2000-06-22 |
| DE69906384D1 (de) | 2003-04-30 |
| EP1147233A1 (de) | 2001-10-24 |
| EP1147233B1 (de) | 2003-03-26 |
| WO2000036156A1 (en) | 2000-06-22 |
| AU1291900A (en) | 2000-07-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| UEP | Publication of translation of european patent specification |
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