GB417903A - Process for reduction of ores, and furnace for carrying out the process - Google Patents
Process for reduction of ores, and furnace for carrying out the processInfo
- Publication number
- GB417903A GB417903A GB35454/33A GB3545433A GB417903A GB 417903 A GB417903 A GB 417903A GB 35454/33 A GB35454/33 A GB 35454/33A GB 3545433 A GB3545433 A GB 3545433A GB 417903 A GB417903 A GB 417903A
- Authority
- GB
- United Kingdom
- Prior art keywords
- hearth
- furnace
- heating
- heating gases
- zone
- 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
- C21B13/10—Making spongy iron or liquid steel, by direct processes in hearth-type furnaces
- C21B13/105—Rotary hearth-type furnaces
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
417,903. Metallurgical furnaces. ANDERSEN, G., 8, Palµgade, Copenhagen. Dec. 16, 1933, No. 35454. Convention date, Dec. 29, 1932. [Classes 51 (i) and 51 (ii).] In the reduction of ores in a furnace 2 having an annular rotary hearth 6, the ore, preferably admixed with solid reducing material, is spread in a relatively thin layer on the hearth 6 which traverses first a heating zone in countercurrent to heating gases and then a zone in which the charge is cooled without exposure to atmospheric air. The heating gases may be generated by the combustion, in a chamber 19, Fig. 2, of liquid, gaseous, or pulverulent fuel supplied by a burner 20, or the heating may be effected by a stream of compressed air which sweeps over electrodes, Fig. 6, or electric resistance elements, Fig. 7, disposed in the chambr 19. The charge material is supplied from a hopper 15 by a rotary feeder 16 which is driven, through a chain 18, from the hearth driving mechanism 9, 10. The treated material is removed from the hearth and deposited in a sealed watercooled hopper by a studded roller 25 and a fixed scraper member 24, the latter also serving to deflect the heating gases upwardly through the charging device and prevent their entry to the cooling zone of the furnace. A pipe 21 and fan 22 are provided to enable the heating gases to be recirculated through the furnace if desired.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NO417903X | 1932-12-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB417903A true GB417903A (en) | 1934-10-15 |
Family
ID=19905593
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB35454/33A Expired GB417903A (en) | 1932-12-29 | 1933-12-16 | Process for reduction of ores, and furnace for carrying out the process |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB417903A (en) |
-
1933
- 1933-12-16 GB GB35454/33A patent/GB417903A/en not_active Expired
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