DE3167823D1 - Process and apparatus for the direct reduction of oxidic ferriferous materials - Google Patents
Process and apparatus for the direct reduction of oxidic ferriferous materialsInfo
- Publication number
- DE3167823D1 DE3167823D1 DE8181890126T DE3167823T DE3167823D1 DE 3167823 D1 DE3167823 D1 DE 3167823D1 DE 8181890126 T DE8181890126 T DE 8181890126T DE 3167823 T DE3167823 T DE 3167823T DE 3167823 D1 DE3167823 D1 DE 3167823D1
- Authority
- DE
- Germany
- Prior art keywords
- oxidic
- direct reduction
- ferriferous
- materials
- ferriferous materials
- 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
- C21B13/04—Making spongy iron or liquid steel, by direct processes in retorts
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
- Manufacture Of Iron (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT0410180A AT367798B (en) | 1980-08-08 | 1980-08-08 | METHOD FOR DIRECTLY REDUCING IRON CARRIERS AND DEVICE FOR IMPLEMENTING THE METHOD |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3167823D1 true DE3167823D1 (en) | 1985-01-31 |
Family
ID=3559671
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8181890126T Expired DE3167823D1 (en) | 1980-08-08 | 1981-07-21 | Process and apparatus for the direct reduction of oxidic ferriferous materials |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0046145B1 (en) |
JP (1) | JPS6021204B2 (en) |
AT (1) | AT367798B (en) |
DD (1) | DD201809A5 (en) |
DE (1) | DE3167823D1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102041340B (en) * | 2011-01-19 | 2012-04-18 | 周广砥 | Energy-saving efficient reduction shaft furnace |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE490409C (en) * | 1926-02-17 | 1930-02-10 | William Henry Smith | Process for the reduction of metal oxides, especially iron ores, in vertical closed chambers surrounded by heating channels |
DE545354C (en) * | 1929-04-24 | 1932-02-29 | William Henry Smith | Method and device for reducing ores, in particular iron ores |
DE2404581A1 (en) * | 1974-01-31 | 1975-08-14 | Benteler Geb Paderwerk | Reduction of ores - partic. iron ore pellets with solid carbonaceous fuel, in coke-oven type chambers |
GB1510992A (en) * | 1974-06-11 | 1978-05-17 | Kinglor Metor Spa | Carbothermic process of a type using external heating to obtain sponge iron and the carbothermic process thus improved |
IT1097724B (en) * | 1977-11-22 | 1985-08-31 | Kinglor Metor Spa | IMPROVEMENTS IN THE CARBOTHERMAL PROCESS FOR OBTAINING IRON SPONGE AND CARBOTHERMAL PROCESS SO PERFECTED |
IT1109109B (en) * | 1978-09-19 | 1985-12-16 | Ferriere Arvedi E C S P A | Reducing metal oxide pellets - by feeding them down retort with solid reductant to produce gases flowing in co-current with charge and removing them from base |
-
1980
- 1980-08-08 AT AT0410180A patent/AT367798B/en not_active IP Right Cessation
-
1981
- 1981-07-21 EP EP19810890126 patent/EP0046145B1/en not_active Expired
- 1981-07-21 DE DE8181890126T patent/DE3167823D1/en not_active Expired
- 1981-08-06 JP JP12251681A patent/JPS6021204B2/en not_active Expired
- 1981-08-06 DD DD23244481A patent/DD201809A5/en unknown
Also Published As
Publication number | Publication date |
---|---|
DD201809A5 (en) | 1983-08-10 |
ATA410180A (en) | 1981-12-15 |
EP0046145B1 (en) | 1984-12-19 |
EP0046145A1 (en) | 1982-02-17 |
AT367798B (en) | 1982-07-26 |
JPS6021204B2 (en) | 1985-05-25 |
JPS5760002A (en) | 1982-04-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8339 | Ceased/non-payment of the annual fee |