GB636677A - Improvements in or relating to the reduction of iron oxide ores in rotary furnaces - Google Patents
Improvements in or relating to the reduction of iron oxide ores in rotary furnacesInfo
- Publication number
- GB636677A GB636677A GB34171/46A GB3417146A GB636677A GB 636677 A GB636677 A GB 636677A GB 34171/46 A GB34171/46 A GB 34171/46A GB 3417146 A GB3417146 A GB 3417146A GB 636677 A GB636677 A GB 636677A
- Authority
- GB
- United Kingdom
- Prior art keywords
- furnace
- reduction
- air
- rotary
- fuel
- 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
- C21B13/08—Making spongy iron or liquid steel, by direct processes in rotary furnaces
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)
Abstract
636,677. Rotary furnaces. TITAN CO., AKTIESELSKABET. Nov. 18, 1946, No. 34171. Convention date, April 30, 1942. [Class 51 (ii)] [Also in Group II] A method for the reduction of iron oxide consists in feeding the oxide and sufficient carbonaceous material to serve as fuel and as reducing agent into one end of a rotary furnace, introducing air for combustion of the fuel into the furnace at intervals along the length thereof and removing the reduced iron at the other end of the furnace whereby a progressive heating and then reduction of the oxide is effected along the length of the furnace and in which method air is admitted at positions at intervals along the region of reduction and the region of heating and in amounts sufficient to burn to carbon dioxide substantially the whole of the carbon monoxide produced by the reduction. 'As shown in the Figure, air is admitted to a rotary furnace through tubes c provided with exterior valves d, each tube having an opening e disposed so that the entering current of air does not hit the wall of the furnace and cause local overheating, gases passing from the furnace to a chimney h. The charge of ore and fuel enters the furnace at A and leaves it at B. In a modification the tubes may be provided with gravity-operated control valves. Specification 343,954 is referred to..
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NO636677X | 1942-04-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB636677A true GB636677A (en) | 1950-05-03 |
Family
ID=19906440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB34171/46A Expired GB636677A (en) | 1942-04-30 | 1946-11-18 | Improvements in or relating to the reduction of iron oxide ores in rotary furnaces |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB636677A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2754197A (en) * | 1952-09-26 | 1956-07-10 | Wienert Fritz Otto | Method and a rotary kiln for the manufacture of sponge iron |
| DE1101465B (en) * | 1954-04-09 | 1961-03-09 | Horace Freeman | Process for the dry reduction of iron oxide to sponge iron or granular masses without melting or sintering the charge |
| EP0089701A1 (en) * | 1982-03-11 | 1983-09-28 | Metallgesellschaft Ag | Process for the direct reduction of matter containing iron oxide to spongy iron in a rotary kiln |
-
1946
- 1946-11-18 GB GB34171/46A patent/GB636677A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2754197A (en) * | 1952-09-26 | 1956-07-10 | Wienert Fritz Otto | Method and a rotary kiln for the manufacture of sponge iron |
| DE1101465B (en) * | 1954-04-09 | 1961-03-09 | Horace Freeman | Process for the dry reduction of iron oxide to sponge iron or granular masses without melting or sintering the charge |
| EP0089701A1 (en) * | 1982-03-11 | 1983-09-28 | Metallgesellschaft Ag | Process for the direct reduction of matter containing iron oxide to spongy iron in a rotary kiln |
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