FIELD: metallurgy.
SUBSTANCE: invention relates to metallurgy, and namely to a method for obtaining cast-iron and reducing gas in a high pressure shaft furnace with a fireproof lining with the minimum use or without any use of coke. Iron ore and a slag-forming material are supplied to an upper working zone of the shaft furnace. At the same time, the reducing gas obtained in a gasifier with the fireproof lining using pre-heated oxygen is supplied through tuyeres to lower and middle working zones of the furnace.
EFFECT: high pressure is maintained in the furnace, which contributes to an increase of its efficiency and simplifies the use of exit reducing gas in further production processes.
19 cl, 1 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD OF INJECTION OF THE HOT REDUCING GASES IN THE BLAST FURNACE | 2005 |
|
RU2277127C1 |
| METHOD AND APPARATUS FOR PRODUCING OF CAST IRON OR LIQUID STEEL PRODUCTS FROM IRON-ORE CONTAINING BURDEN | 2001 |
|
RU2263714C2 |
| METHOD OF PRODUCING PIG IRON AND REDUCING GAS IN MELTING GASIFIER AND DEVICE FOR EFFECTING SAME | 0 |
|
SU1169995A1 |
| METHOD OF PRODUCING LIQUID IRON OR LIQUID STEEL SEMIPRODUCTS AND PLANT FOR ITS EMBODIMENT | 1996 |
|
RU2122586C1 |
| METHOD OF PRODUCING LIQUID IRON OR LIQUID STEEL SEMIPRODUCTS AND PLANT FOR ITS EMBODIMENT | 1996 |
|
RU2133780C1 |
| METHOD OF RUNNING OF SMELTING GASIFIER | 0 |
|
SU1838428A3 |
| METHOD AND PLANT FOR IRON PRODUCTION OPTIMISED BY ENERGY AND CO EMISSION | 2009 |
|
RU2491353C2 |
| METHOD OF PRODUCING MOLTEN IRON OR STEEL SEMIPRODUCT FROM IRON-CONTAINING MATERIAL | 0 |
|
SU1498396A3 |
| METHOD OF PRODUCTION OF LIQUID IRON OR STEEL SEMIPRODUCT | 1994 |
|
RU2101361C1 |
| PLANT AND METHOD FOR CONTINUOUS STEEL PRODUCTION | 0 |
|
SU1743360A3 |
