CA2266301A1 - Method of producing reduced iron agglomerates - Google Patents
Method of producing reduced iron agglomerates Download PDFInfo
- Publication number
- CA2266301A1 CA2266301A1 CA 2266301 CA2266301A CA2266301A1 CA 2266301 A1 CA2266301 A1 CA 2266301A1 CA 2266301 CA2266301 CA 2266301 CA 2266301 A CA2266301 A CA 2266301A CA 2266301 A1 CA2266301 A1 CA 2266301A1
- Authority
- CA
- Canada
- Prior art keywords
- agglomerates
- iron oxide
- iron
- reduced iron
- reduced
- 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.)
- Granted
Links
Landscapes
- Manufacture And Refinement Of Metals (AREA)
- Manufacture Of Iron (AREA)
Abstract
Iron oxide agglomerates incorporated with the carbonaceous material having a particle size within a range of about 10 to 30 mm are prepared upon production of reduced iron agglomerates. Then, the iron oxide agglomerates incorporated with the carbonaceous material were laid thinly at a laying density of less than 1.4 kg/m2/mm or lower on a hearth of a moving hearth furnace. Subsequently, the iron oxide agglomerates are heated rapidly such that the surface temperature of the iron oxide agglomerates reaches 1200°C or higher within one-thud of the retention period of time of the iron oxide agglomerates in the moving hearth furnace. Then, the iron oxide agglomerates are reduced till the metallization ratio thereof reaches 85% or higher to form reduced iron agglomerates and then the reduced iron agglomerates are discharged out of the moving hearth furnace. With the procedures, reduced iron agglomerates of a high average quality can be obtained at a high productivity.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7603298 | 1998-03-24 | ||
JP10-76032 | 1998-03-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2266301A1 true CA2266301A1 (en) | 1999-09-24 |
CA2266301C CA2266301C (en) | 2003-02-11 |
Family
ID=13593493
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA 2266301 Expired - Fee Related CA2266301C (en) | 1998-03-24 | 1999-03-23 | Method of producing reduced iron agglomerates |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA2266301C (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014126495A1 (en) * | 2013-02-13 | 2014-08-21 | Siemens Aktiengesellschaft | Apparatus and method for automatic controlling direct reduction process of iron oxide containing material |
-
1999
- 1999-03-23 CA CA 2266301 patent/CA2266301C/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014126495A1 (en) * | 2013-02-13 | 2014-08-21 | Siemens Aktiengesellschaft | Apparatus and method for automatic controlling direct reduction process of iron oxide containing material |
Also Published As
Publication number | Publication date |
---|---|
CA2266301C (en) | 2003-02-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |