FIELD: production of reduced iron by direct reduction of material containing iron oxide, such as iron ore with the use of carbon-bearing reductants.
SUBSTANCE: charge is fed to the rotary-hearth furnace where it is heated for reduction of iron oxide contained in it to reduced iron followed by melting the reduced iron, cooling the molten reduced iron and unloading it in way of motion of hearth. Furnace is provided with partitions for control of furnace gas flow; at the cooling stage, furnace gas flows in way of motion of hearth which is achieved with the aid of partitions.
EFFECT: enhanced efficiency.
14 cl, 8 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD OF ACCELERATING SEPARATION OF GRANULATED METALLIC IRON AND SLAG | 2002 |
|
RU2312899C2 |
| METHOD OF PRODUCTION OF GRANULATED METALLIC IRON, METHOD OF PRODUCTION OF LIQUID STEEL, METHOD OF PRODUCTION OF METALLIC IRON AND DEVICE FOR LOADING AUXILIARY INITIAL MATERIAL AND DEVICE FOR LOADING INITIAL MATERIAL | 2001 |
|
RU2228365C2 |
| ROTARY HEARTH FURNACE | 2015 |
|
RU2655423C1 |
| METALLIC IRON OBTAINING METHOD | 2002 |
|
RU2279483C2 |
| METALLIC IRON GRANULES | 2002 |
|
RU2320730C2 |
| METHOD OF PRODUCTION OF METALLIC IRON | 2004 |
|
RU2302470C2 |
| METHOD FOR MANUFACTURE OF PRODUCT BASED ON MOLTEN CHROMIUM WITH HIGH CONTENT OF CARBON FROM MATERIAL CONTAINING CHROMIUM AND CARBON | 2014 |
|
RU2639741C2 |
| HEARTH MELTING FURNACE AND METHOD OF ITS OPERATION FOR PRODUCTION OF IRON OR STEEL | 2003 |
|
RU2271396C2 |
| METHOD AND DEVICE FOR OBTAINING REDUCED IRON | 2016 |
|
RU2669493C1 |
| METHOD OF PRODUCTION OF THE METALLIC IRON | 2002 |
|
RU2274660C2 |
