GB866646A - Improvements in or relating to the processing of metallic ores - Google Patents
Improvements in or relating to the processing of metallic oresInfo
- Publication number
- GB866646A GB866646A GB11859A GB11859A GB866646A GB 866646 A GB866646 A GB 866646A GB 11859 A GB11859 A GB 11859A GB 11859 A GB11859 A GB 11859A GB 866646 A GB866646 A GB 866646A
- Authority
- GB
- United Kingdom
- Prior art keywords
- ore
- reactor
- particulated
- fuel
- iron
- 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
- C21B13/14—Multi-stage processes processes carried out in different vessels or furnaces
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Iron (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
A process for the reduction of metal-bearing ores (e.g. iron ores) consists of passing particulated ore into a high temperature reactor wherein a gaseus or particulated fuel (e.g. fuel gas or fine coal dust) is burnt, producing a gas whose CO/CO2 ratio (preferably at least 5 : 1) is such that it is capable of reducing the ore to liquid metal by maintaining the temperature in the reactor above the melting-point of that metal (e.g. 1300 DEG to 1800 DEG C. for iron). The gas produced in the reactor is passed through a heat-exchanger, to a pre-reduction zone, and preferably further to a pre-heating zone, whereby the particulated ore is partially reduced (e.g. 30% to 80%) and pre-heated to a temperature below its agglomerating temperature (e.g. 750 DEG C. for iron ore); the CO/CO2 ratio of the gas leaving the pre-reduction zone is preferably up to 4 : 1. Fluidized beds, through which the gasses pass upwards, may be present in these zones. The method of introducing the ore, fuel and oxygen into the reactor may be by a central supply passage comprised of concentric tubes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB11859A GB866646A (en) | 1959-01-01 | 1959-01-01 | Improvements in or relating to the processing of metallic ores |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB11859A GB866646A (en) | 1959-01-01 | 1959-01-01 | Improvements in or relating to the processing of metallic ores |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB866646A true GB866646A (en) | 1961-04-26 |
Family
ID=9698724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB11859A Expired GB866646A (en) | 1959-01-01 | 1959-01-01 | Improvements in or relating to the processing of metallic ores |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB866646A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997047774A1 (en) * | 1996-06-10 | 1997-12-18 | Voest-Alpine Industrieanlagenbau Gmbh | Method of charging metalliferous material into a smelting-gasification zone |
| US6258148B1 (en) | 1996-07-11 | 2001-07-10 | Voest-Alpine Industrieanlagenbau Gmbh | Method of charging metal carriers to a melt-down gasifying zone |
-
1959
- 1959-01-01 GB GB11859A patent/GB866646A/en not_active Expired
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997047774A1 (en) * | 1996-06-10 | 1997-12-18 | Voest-Alpine Industrieanlagenbau Gmbh | Method of charging metalliferous material into a smelting-gasification zone |
| CN1061688C (en) * | 1996-06-10 | 2001-02-07 | 奥地利钢铁联合企业阿尔帕工业设备制造公司 | Method of charging metalliferous material into smelting-gasification zone |
| US6277172B1 (en) | 1996-06-10 | 2001-08-21 | Voest Alpine Industrieanlagenbau Gmbh | Method of charging metal carriers to a melt-down gasifying zone |
| US6258148B1 (en) | 1996-07-11 | 2001-07-10 | Voest-Alpine Industrieanlagenbau Gmbh | Method of charging metal carriers to a melt-down gasifying zone |
| US6491864B2 (en) | 1996-07-11 | 2002-12-10 | Voest-Alpine Industrieanlagenbau Gmbh | Plant for charging metal carriers to melt-down gasifying zone |
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