ES437077A1 - Un procedimiento para la produccion discontinua de esponja de metal. - Google Patents
Un procedimiento para la produccion discontinua de esponja de metal.Info
- Publication number
- ES437077A1 ES437077A1 ES437077A ES437077A ES437077A1 ES 437077 A1 ES437077 A1 ES 437077A1 ES 437077 A ES437077 A ES 437077A ES 437077 A ES437077 A ES 437077A ES 437077 A1 ES437077 A1 ES 437077A1
- Authority
- ES
- Spain
- Prior art keywords
- sponge iron
- step during
- atmosphere
- stationary bed
- hot
- 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
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
- C21B13/0073—Selection or treatment of the reducing gases
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B5/00—General methods of reducing to metals
- C22B5/02—Dry methods smelting of sulfides or formation of mattes
- C22B5/12—Dry methods smelting of sulfides or formation of mattes by 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
- C21B2100/60—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
- Y02P10/25—Process efficiency
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Furnace Details (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7406175A SE382078B (sv) | 1974-05-09 | 1974-05-09 | Forfarande och ugnsanleggning for satsvis framstellning av metallsvamp |
Publications (1)
Publication Number | Publication Date |
---|---|
ES437077A1 true ES437077A1 (es) | 1977-02-01 |
Family
ID=20321072
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES437082A Expired ES437082A1 (es) | 1974-05-09 | 1975-04-28 | Una instalacion de horno para la produccion discontinua de esponja de metal. |
ES437077A Expired ES437077A1 (es) | 1974-05-09 | 1975-04-28 | Un procedimiento para la produccion discontinua de esponja de metal. |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES437082A Expired ES437082A1 (es) | 1974-05-09 | 1975-04-28 | Una instalacion de horno para la produccion discontinua de esponja de metal. |
Country Status (10)
Country | Link |
---|---|
US (1) | US3964898A (es) |
JP (1) | JPS50158513A (es) |
CA (1) | CA1060218A (es) |
DE (1) | DE2520564A1 (es) |
ES (2) | ES437082A1 (es) |
FR (1) | FR2270331B1 (es) |
IT (1) | IT1044502B (es) |
SE (1) | SE382078B (es) |
SU (1) | SU639485A3 (es) |
ZA (1) | ZA752990B (es) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55113819A (en) * | 1979-02-26 | 1980-09-02 | Kawasaki Heavy Ind Ltd | Method and apparatus for direct reduction iron making |
US5474280A (en) * | 1993-08-20 | 1995-12-12 | Martin; Charles A. | Apparatus for preheating a reactor feed |
SE543341C2 (en) * | 2019-04-01 | 2020-12-08 | Greeniron H2 Ab | Method and device for producing direct reduced metal |
SE543642C2 (en) * | 2019-09-23 | 2021-05-11 | Greeniron H2 Ab | Method and device for producing direct reduced, carburized metal |
SE544421C2 (en) | 2020-06-26 | 2022-05-17 | Greeniron H2 Ab | Method and device for producing direct reduced metal |
SE545792C2 (en) * | 2022-05-20 | 2024-02-06 | Greeniron H2 Ab | Method and device for producing direct reduced metal |
PL442531A1 (pl) * | 2022-10-14 | 2024-04-15 | Seco/Warwick Spółka Akcyjna | Sposób termicznej redukcji tlenków żelaza z użyciem wodoru oraz urządzenie do stosowania tego sposobu |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3098738A (en) * | 1954-08-30 | 1963-07-23 | Gas Inc | Method of heating and sintering |
US3148050A (en) * | 1959-11-27 | 1964-09-08 | Huttenwerk Oberhausen A G Fa | Process for the reduction of ores in a reaction furnace |
US3032410A (en) * | 1960-02-11 | 1962-05-01 | William R O'day | Method and apparatus for the direct reduction of ores and subsequent fusion in a continuous operation |
-
1974
- 1974-05-09 SE SE7406175A patent/SE382078B/xx not_active IP Right Cessation
-
1975
- 1975-04-28 ES ES437082A patent/ES437082A1/es not_active Expired
- 1975-04-28 ES ES437077A patent/ES437077A1/es not_active Expired
- 1975-05-05 US US05/574,576 patent/US3964898A/en not_active Expired - Lifetime
- 1975-05-07 FR FR7514396A patent/FR2270331B1/fr not_active Expired
- 1975-05-08 SU SU752132935A patent/SU639485A3/ru active
- 1975-05-08 JP JP50054343A patent/JPS50158513A/ja active Pending
- 1975-05-08 CA CA226,504A patent/CA1060218A/en not_active Expired
- 1975-05-09 ZA ZA00752990A patent/ZA752990B/xx unknown
- 1975-05-09 IT IT68175/75A patent/IT1044502B/it active
- 1975-05-09 DE DE19752520564 patent/DE2520564A1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
DE2520564A1 (de) | 1975-11-20 |
US3964898A (en) | 1976-06-22 |
IT1044502B (it) | 1980-03-31 |
JPS50158513A (es) | 1975-12-22 |
FR2270331B1 (es) | 1979-10-05 |
CA1060218A (en) | 1979-08-14 |
SU639485A3 (ru) | 1978-12-25 |
FR2270331A1 (es) | 1975-12-05 |
ZA752990B (en) | 1976-07-28 |
ES437082A1 (es) | 1977-01-16 |
SE7406175L (sv) | 1975-11-10 |
SE382078B (sv) | 1976-01-12 |
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