JPS5441981B1 - - Google Patents
Info
- Publication number
- JPS5441981B1 JPS5441981B1 JP6252072A JP6252072A JPS5441981B1 JP S5441981 B1 JPS5441981 B1 JP S5441981B1 JP 6252072 A JP6252072 A JP 6252072A JP 6252072 A JP6252072 A JP 6252072A JP S5441981 B1 JPS5441981 B1 JP S5441981B1
- Authority
- JP
- Japan
- 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.)
- Pending
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
- C21B13/0033—In fluidised bed furnaces or apparatus containing a dispersion of the material
-
- 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
-
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2132150A DE2132150B2 (en) | 1971-06-29 | 1971-06-29 | Process for the direct manufacture of steel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5441981B1 true JPS5441981B1 (en) | 1979-12-11 |
Family
ID=5812054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6252072A Pending JPS5441981B1 (en) | 1971-06-29 | 1972-06-23 |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS5441981B1 (en) |
| AU (1) | AU463981B2 (en) |
| BR (1) | BR7204275D0 (en) |
| CA (1) | CA964863A (en) |
| DE (1) | DE2132150B2 (en) |
| ES (2) | ES404098A1 (en) |
| FR (1) | FR2143852A1 (en) |
| IT (1) | IT958641B (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2401909C3 (en) * | 1974-01-16 | 1985-06-27 | Fried. Krupp Gmbh, 4300 Essen | Process for the production of steel |
| LU71435A1 (en) * | 1974-12-06 | 1976-11-11 | ||
| DE2729982B2 (en) * | 1977-07-02 | 1980-01-03 | Eisenwerk-Gesellschaft Maximilianshuette Mbh, 8458 Sulzbach-Rosenberg | Process for increasing the scrap rate in steel production using the oxygen blow-through process |
| DE2852964A1 (en) * | 1978-12-07 | 1980-06-26 | Krupp Polysius Ag | METHOD AND SYSTEM FOR REDUCING ORES |
| DE3273996D1 (en) * | 1981-04-28 | 1986-12-04 | Kawasaki Steel Co | Methods for melting and refining a powdery ore containing metal oxides and apparatuses for melt-refining said ore |
| JPS6169910A (en) * | 1984-09-12 | 1986-04-10 | Kobe Steel Ltd | Fluidized bed reducing method of iron ore |
| DE3729798A1 (en) * | 1987-09-05 | 1989-03-16 | Kloeckner Humboldt Deutz Ag | DEVICE FOR PREVENTING FUSIBLE SUBSTANCES, ESPECIALLY ORE CONCENTRATES |
| DE3835332A1 (en) * | 1988-10-17 | 1990-04-19 | Ralph Weber | METHOD FOR PRODUCING STEEL FROM FINE ORE |
| JP3150966B2 (en) * | 1988-12-20 | 2001-03-26 | シーアールエイ・サービシーズ・リミテッド | Production of iron and steel in a double melting furnace and a solid state oxide prereduction machine. |
| DE3905058C1 (en) * | 1989-02-18 | 1990-07-12 | Ferdinand Dipl.-Ing. Dr.Mont. 6374 Steinbach De Fink | Apparatus and process for smelting pig iron and for producing useful gas from fine ore and coal screenings (small coal) |
| DE4216891A1 (en) * | 1992-05-21 | 1993-11-25 | Kortec Ag Zug | Method and device for heating and melting lumpy iron sponges |
| DE19634348A1 (en) | 1996-08-23 | 1998-02-26 | Arcmet Tech Gmbh | Melting unit with an electric arc furnace |
| AT411265B (en) | 2002-02-14 | 2003-11-25 | Voest Alpine Ind Anlagen | METHOD AND DEVICE FOR PRODUCING METALS AND / OR METAL PRE-PRODUCTS |
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1971
- 1971-06-29 DE DE2132150A patent/DE2132150B2/en not_active Ceased
-
1972
- 1972-06-21 ES ES404098A patent/ES404098A1/en not_active Expired
- 1972-06-23 CA CA145,625A patent/CA964863A/en not_active Expired
- 1972-06-23 JP JP6252072A patent/JPS5441981B1/ja active Pending
- 1972-06-27 AU AU43938/72A patent/AU463981B2/en not_active Expired
- 1972-06-27 FR FR7223451A patent/FR2143852A1/en active Granted
- 1972-06-28 IT IT51234/72A patent/IT958641B/en active
- 1972-06-29 BR BR4275/72A patent/BR7204275D0/en unknown
-
1974
- 1974-11-02 ES ES431600A patent/ES431600A1/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2143852B1 (en) | 1976-01-16 |
| AU463981B2 (en) | 1975-08-14 |
| ES431600A1 (en) | 1976-10-16 |
| IT958641B (en) | 1973-10-30 |
| DE2132150A1 (en) | 1973-01-18 |
| CA964863A (en) | 1975-03-25 |
| BR7204275D0 (en) | 1973-05-15 |
| FR2143852A1 (en) | 1973-02-09 |
| DE2132150B2 (en) | 1980-07-24 |
| ES404098A1 (en) | 1976-01-01 |
| AU4393872A (en) | 1974-02-14 |