HUT45204A - Method for producing powdered iron suitable for powder metallurgical purposes by means of reduction of fine iron oxide with hot gas - Google Patents
Method for producing powdered iron suitable for powder metallurgical purposes by means of reduction of fine iron oxide with hot gasInfo
- Publication number
- HUT45204A HUT45204A HU204087A HU204087A HUT45204A HU T45204 A HUT45204 A HU T45204A HU 204087 A HU204087 A HU 204087A HU 204087 A HU204087 A HU 204087A HU T45204 A HUT45204 A HU T45204A
- Authority
- HU
- Hungary
- Prior art keywords
- reduction
- hot gas
- powder metallurgical
- iron oxide
- producing powdered
- 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
- C21B13/146—Multi-step reduction without melting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/16—Making metallic powder or suspensions thereof using chemical processes
- B22F9/18—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds
- B22F9/20—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from solid metal compounds
- B22F9/22—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from solid metal compounds using gaseous reductors
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT335886A AT386555B (de) | 1986-12-17 | 1986-12-17 | Verfahren zur herstellung von fuer die pulvermetallurgie geeigneten eisenpulvern aus feinem eisenoxidpulver durch reduktion mit heissen gasen |
Publications (2)
Publication Number | Publication Date |
---|---|
HUT45204A true HUT45204A (en) | 1988-06-28 |
HU199719B HU199719B (en) | 1990-03-28 |
Family
ID=3549311
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HU204087A HU199719B (en) | 1986-12-17 | 1987-05-07 | Method for producing powdered iron suitable for powder-metallurgical purposes by reducing fine iron oxide with hot gas |
Country Status (4)
Country | Link |
---|---|
AT (1) | AT386555B (hu) |
HU (1) | HU199719B (hu) |
PL (1) | PL152552B1 (hu) |
YU (1) | YU89287A (hu) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102019207824A1 (de) * | 2019-05-28 | 2020-12-03 | Thyssenkrupp Steel Europe Ag | Verfahren zur Herstellung von Eisenpulver |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2236441A (en) * | 1939-12-23 | 1941-03-25 | Hardy Metallurg Company | Metallurgical apparatus |
GB1175985A (en) * | 1967-10-19 | 1970-01-01 | Fina Metal Ltd | Direct Reduction of Iron Oxide to Non-Pyrophoric Iron Powder |
GB1288252A (hu) * | 1969-03-25 | 1972-09-06 | ||
DE2443978C3 (de) * | 1974-09-12 | 1982-04-15 | Mannesmann AG, 4000 Düsseldorf | Verfahren zum Herstellen von Eispulver |
-
1986
- 1986-12-17 AT AT335886A patent/AT386555B/de not_active IP Right Cessation
-
1987
- 1987-05-07 HU HU204087A patent/HU199719B/hu not_active IP Right Cessation
- 1987-05-19 YU YU89287A patent/YU89287A/xx unknown
- 1987-05-20 PL PL26578887A patent/PL152552B1/pl unknown
Also Published As
Publication number | Publication date |
---|---|
ATA335886A (de) | 1988-02-15 |
PL265788A1 (en) | 1988-07-21 |
HU199719B (en) | 1990-03-28 |
AT386555B (de) | 1988-09-12 |
YU89287A (en) | 1988-12-31 |
PL152552B1 (en) | 1991-01-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
HU90 | Patent valid on 900628 | ||
HPC4 | Succession in title of patentee |
Owner name: VOEST ALPINE BERGTECHNIK GESELLSCHAFF MBH,AT |
|
HMM4 | Cancellation of final prot. due to non-payment of fee |