ES2021694B3 - Procedimiento para la reduccion directa de materias conteniendo oxido de hierro en hornos rotativos. - Google Patents
Procedimiento para la reduccion directa de materias conteniendo oxido de hierro en hornos rotativos.Info
- Publication number
- ES2021694B3 ES2021694B3 ES87201059T ES87201059T ES2021694B3 ES 2021694 B3 ES2021694 B3 ES 2021694B3 ES 87201059 T ES87201059 T ES 87201059T ES 87201059 T ES87201059 T ES 87201059T ES 2021694 B3 ES2021694 B3 ES 2021694B3
- Authority
- ES
- Spain
- Prior art keywords
- procedure
- iron oxide
- materials containing
- containing iron
- direct reduction
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
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
- C21B13/08—Making spongy iron or liquid steel, by direct processes in rotary furnaces
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)
- Muffle Furnaces And Rotary Kilns (AREA)
- Manufacture Of Iron (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19863620842 DE3620842A1 (de) | 1986-06-21 | 1986-06-21 | Verfahren zur direktreduktion von eisenoxidhaltigen materialien im drehrohrofen |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2021694B3 true ES2021694B3 (es) | 1991-11-16 |
Family
ID=6303424
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES87201059T Expired - Lifetime ES2021694B3 (es) | 1986-06-21 | 1987-06-05 | Procedimiento para la reduccion directa de materias conteniendo oxido de hierro en hornos rotativos. |
Country Status (11)
Country | Link |
---|---|
US (1) | US4838934A (es) |
EP (1) | EP0255154B1 (es) |
CN (1) | CN1011893B (es) |
AU (1) | AU590862B2 (es) |
DE (2) | DE3620842A1 (es) |
ES (1) | ES2021694B3 (es) |
GR (1) | GR3001794T3 (es) |
ID (1) | ID929B (es) |
IN (1) | IN164140B (es) |
TR (1) | TR23022A (es) |
ZA (1) | ZA874437B (es) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE502004010502D1 (de) | 2003-11-21 | 2010-01-21 | Cytotools Ag | Reaktive chlorverbindungen, deren derivate, anionen und salze sowie verfahren zu deren herstellung und verwendung |
AT514438B1 (de) | 2013-07-04 | 2015-01-15 | Zizala Lichtsysteme Gmbh | Fahrzeugscheinwerfer |
CN103757168B (zh) * | 2013-12-31 | 2015-10-07 | 李苏翔 | 一种炼铁回转窑及其炼铁工艺 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US981280A (en) | 1910-05-12 | 1911-01-10 | John T Jones | Method of reducing iron ore. |
US2709650A (en) * | 1950-05-22 | 1955-05-31 | Johannsen Friedrich | Method of processing iron containing materials to nodules |
US3097090A (en) * | 1960-06-23 | 1963-07-09 | Independence Foundation | Metallurgical process |
US3890138A (en) * | 1971-10-19 | 1975-06-17 | Western Titanium N L | Reduction of iron-containing ores |
US4375883A (en) * | 1980-03-24 | 1983-03-08 | The Direct Reduction Corporation | System for recycling char in iron oxide reducing kilns |
AU540463B2 (en) * | 1981-04-22 | 1984-11-22 | Tata Iron + Steel Co..Ltd. The | Production of sponge iron + a rotary kiln for producing the same |
US4378244A (en) * | 1981-11-03 | 1983-03-29 | The Direct Reduction Corporation | System for coal injection in iron oxide reducing kilns |
DE3332556A1 (de) * | 1983-09-09 | 1985-03-28 | Fried. Krupp Gmbh, 4300 Essen | Verfahren zur reduktion oxidischer eisenerze im drehrohrofen |
-
1986
- 1986-06-21 DE DE19863620842 patent/DE3620842A1/de not_active Withdrawn
- 1986-07-31 IN IN584/CAL/86A patent/IN164140B/en unknown
-
1987
- 1987-06-05 EP EP87201059A patent/EP0255154B1/de not_active Expired - Lifetime
- 1987-06-05 DE DE8787201059T patent/DE3769394D1/de not_active Expired - Lifetime
- 1987-06-05 ES ES87201059T patent/ES2021694B3/es not_active Expired - Lifetime
- 1987-06-08 ID IDP43987A patent/ID929B/id unknown
- 1987-06-16 US US07/062,731 patent/US4838934A/en not_active Expired - Fee Related
- 1987-06-19 AU AU74522/87A patent/AU590862B2/en not_active Ceased
- 1987-06-19 ZA ZA874437A patent/ZA874437B/xx unknown
- 1987-06-19 TR TR435/87A patent/TR23022A/xx unknown
- 1987-06-20 CN CN87104326A patent/CN1011893B/zh not_active Expired
-
1991
- 1991-04-18 GR GR90400902T patent/GR3001794T3/el unknown
Also Published As
Publication number | Publication date |
---|---|
CN1011893B (zh) | 1991-03-06 |
AU590862B2 (en) | 1989-11-16 |
GR3001794T3 (en) | 1992-11-23 |
EP0255154A1 (de) | 1988-02-03 |
EP0255154B1 (de) | 1991-04-17 |
AU7452287A (en) | 1987-12-24 |
ID929B (id) | 1996-09-16 |
DE3620842A1 (de) | 1987-12-23 |
IN164140B (es) | 1989-01-21 |
TR23022A (tr) | 1989-01-24 |
ZA874437B (en) | 1989-02-22 |
CN87104326A (zh) | 1988-01-20 |
US4838934A (en) | 1989-06-13 |
DE3769394D1 (de) | 1991-05-23 |
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