SE7500064L - - Google Patents
Info
- Publication number
- SE7500064L SE7500064L SE7500064A SE7500064A SE7500064L SE 7500064 L SE7500064 L SE 7500064L SE 7500064 A SE7500064 A SE 7500064A SE 7500064 A SE7500064 A SE 7500064A SE 7500064 L SE7500064 L SE 7500064L
- Authority
- SE
- Sweden
- Prior art keywords
- bath
- sponge iron
- added
- metal bath
- position below
- 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
- C21B13/14—Multi-stage processes processes carried out in different vessels or furnaces
- C21B13/143—Injection of partially reduced ore into a molten bath
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C1/00—Refining of pig-iron; Cast iron
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
- C21C5/30—Regulating or controlling the blowing
- C21C5/34—Blowing through the bath
-
- 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
-
- 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
- Y02P10/20—Recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Manufacture Of Iron (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2401540A DE2401540B2 (de) | 1974-01-14 | 1974-01-14 | Verfahren zum Einschmelzen von Eisenschwamm |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE7500064L true SE7500064L (pt) | 1975-07-15 |
| SE402602B SE402602B (sv) | 1978-07-10 |
Family
ID=5904731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7500064A SE402602B (sv) | 1974-01-14 | 1975-01-13 | Sett att nedsmelta jernsvamp |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US4008074A (pt) |
| JP (1) | JPS5741524B2 (pt) |
| AT (1) | AT344214B (pt) |
| BE (1) | BE824237A (pt) |
| BR (1) | BR7500224A (pt) |
| CA (1) | CA1050277A (pt) |
| DE (1) | DE2401540B2 (pt) |
| ES (1) | ES433603A1 (pt) |
| FR (1) | FR2257687B1 (pt) |
| GB (1) | GB1461233A (pt) |
| IT (1) | IT1028241B (pt) |
| LU (1) | LU71638A1 (pt) |
| SE (1) | SE402602B (pt) |
| ZA (1) | ZA75223B (pt) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1586762A (en) * | 1976-05-28 | 1981-03-25 | British Steel Corp | Metal refining method and apparatus |
| DE2655813B2 (de) * | 1976-12-09 | 1980-10-23 | Kloeckner-Humboldt-Deutz Ag, 5000 Koeln | Verfahren und Anlage zur direkten und kontinuierlichen Gewinnung von Eisen |
| DE3024977A1 (de) * | 1980-07-02 | 1982-01-28 | Klöckner-Humboldt-Deutz AG, 5000 Köln | Verfahren zur herstellung von reaktionsgasen |
| AU8474782A (en) * | 1981-06-19 | 1982-12-23 | British Steel Corp. | Refining of steel from pig iron |
| CA1204287A (en) * | 1982-03-22 | 1986-05-13 | Frank V. Summers | Method of generating a reducing gas |
| US4412858A (en) * | 1982-07-12 | 1983-11-01 | Hylsa, S.A. | Method of converting iron ore into molten iron |
| DE3328373A1 (de) * | 1982-11-15 | 1984-05-17 | Korf Engineering GmbH, 4000 Düsseldorf | Verfahren und anlage zur direkten erzeugung von eisenschwammpartikeln und fluessigem roheisen aus stueckigem eisenerz |
| DE3304504A1 (de) * | 1983-02-10 | 1984-08-16 | Metallgesellschaft Ag, 6000 Frankfurt | Verfahren zum kontinuierlichen einschmelzen von eisenschwamm |
| US4585476A (en) * | 1984-05-09 | 1986-04-29 | Instituto Mexicano De Investigaciones Siderurgicas | Method for producing liquid steel from iron ore |
| DE3535572A1 (de) * | 1985-10-03 | 1987-04-16 | Korf Engineering Gmbh | Verfahren zur herstellung von roheisen aus feinerz |
| US4685964A (en) * | 1985-10-03 | 1987-08-11 | Midrex International B.V. Rotterdam | Method and apparatus for producing molten iron using coal |
| DE3608802C2 (de) * | 1986-03-15 | 1994-10-06 | Mannesmann Ag | Verfahren und Vorrichtung zum kontinuierlichen Einschmelzen von Schrott |
| US4701214A (en) * | 1986-04-30 | 1987-10-20 | Midrex International B.V. Rotterdam | Method of producing iron using rotary hearth and apparatus |
| US5296015A (en) * | 1990-01-09 | 1994-03-22 | Hylsa S.A. De C.V. | Method for the pneumatic transport of large iron-bearing particles |
| US5810905A (en) * | 1996-10-07 | 1998-09-22 | Cleveland Cliffs Iron Company | Process for making pig iron |
| IT201900002511A1 (it) * | 2019-02-21 | 2020-08-21 | Danieli Off Mecc | Impianto di riduzione diretta e relativo processo |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2612444A (en) * | 1948-12-28 | 1952-09-30 | Rummel Roman | Production of metals from their ores |
| US2750277A (en) * | 1951-05-14 | 1956-06-12 | Armco Steel Corp | Process and apparatus for reducing and smelting iron |
| US3454395A (en) * | 1966-04-15 | 1969-07-08 | Gerald F H Von Stroh | Process for the reduction of iron ore in a cupola-type furnace |
-
1974
- 1974-01-14 DE DE2401540A patent/DE2401540B2/de active Granted
-
1975
- 1975-01-07 ES ES433603A patent/ES433603A1/es not_active Expired
- 1975-01-09 BE BE152251A patent/BE824237A/xx not_active IP Right Cessation
- 1975-01-09 IT IT1910375A patent/IT1028241B/it active
- 1975-01-10 FR FR7500688A patent/FR2257687B1/fr not_active Expired
- 1975-01-10 AT AT14975A patent/AT344214B/de not_active IP Right Cessation
- 1975-01-13 LU LU71638A patent/LU71638A1/xx unknown
- 1975-01-13 SE SE7500064A patent/SE402602B/xx not_active IP Right Cessation
- 1975-01-13 ZA ZA00750223A patent/ZA75223B/xx unknown
- 1975-01-13 GB GB139375A patent/GB1461233A/en not_active Expired
- 1975-01-13 BR BR7500224A patent/BR7500224A/pt unknown
- 1975-01-14 JP JP693675A patent/JPS5741524B2/ja not_active Expired
- 1975-01-14 CA CA217,871A patent/CA1050277A/en not_active Expired
- 1975-01-14 US US05/540,958 patent/US4008074A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| AT344214B (de) | 1978-07-10 |
| ZA75223B (en) | 1976-01-28 |
| CA1050277A (en) | 1979-03-13 |
| FR2257687A1 (pt) | 1975-08-08 |
| LU71638A1 (pt) | 1975-06-24 |
| IT1028241B (it) | 1979-01-30 |
| DE2401540B2 (de) | 1975-11-13 |
| FR2257687B1 (pt) | 1980-03-21 |
| SE402602B (sv) | 1978-07-10 |
| BR7500224A (pt) | 1975-11-04 |
| JPS50103410A (pt) | 1975-08-15 |
| ES433603A1 (es) | 1976-12-01 |
| US4008074A (en) | 1977-02-15 |
| GB1461233A (en) | 1977-01-13 |
| JPS5741524B2 (pt) | 1982-09-03 |
| AU7725975A (en) | 1976-07-15 |
| BE824237A (fr) | 1975-05-02 |
| ATA14975A (de) | 1977-11-15 |
| DE2401540A1 (de) | 1975-07-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |
Ref document number: 7500064-6 Effective date: 19880915 Format of ref document f/p: F |