FIELD: metallurgy.
SUBSTANCE: invention refers to metallurgy, particularly to processing of manganese raw material by melting in ore reducing furnaces. Charge contains manganese raw material, carbon reducer and flux. As manganese raw material there is used mixture of concentrate of rare phosphorous manganese ore with ratio P/Mn=0.0052-0.042 and high grade manganese ore with ratio P/Mn≤0.0021 at following ratio of components, wt %: carbon reducer 12-18, flux 8-20, concentrate of rare phosphorous manganese ore with ratio P/Mn=0.0052-0.042 5-40, high grade manganese ore with ratio P/Mn≤0.0021- the rest. The invention facilitates processing low grade native manganese containing materials.
EFFECT: producing carbon ferromanganese with contents of phosphorus less 0,35% without using low-phosphorous manganese slag.
2 tbl
Title | Year | Author | Number |
---|---|---|---|
CHARGE FOR SMELTING FERROSILICOMANGANESE | 2010 |
|
RU2449038C1 |
CHARGE FOR PRODUCING HIGH-CARBON FERROMANGANESE | 0 |
|
SU1296619A1 |
MIXTURE FOR SMELTING HIGH-CARBON FERROMANGANESE | 1992 |
|
RU2048581C1 |
CHARGE FOR MELTING CARBON FERROMANGANESIAN | 2002 |
|
RU2212465C1 |
CHARGE FOR SMELTING HIGH-CARBON FERROMANGANESE | 0 |
|
SU1467092A1 |
CHARGE FOR PRODUCING MANGANESE FERROALLOYS | 2022 |
|
RU2788459C1 |
MIXTURE FOR PRODUCING HIGH-CARBON FERROMANGANESE | 0 |
|
SU1708908A1 |
CHARGE FOR HIGH-CARBON FERROMANGANESE SMELTING | 2011 |
|
RU2456363C1 |
CHARGE FOR PRODUCING SILICOMANGANESE | 0 |
|
SU1650749A1 |
METHOD OF COMBINED PROCESSING OF OXIDED AND CARBONATE FERROMANGANESE ORES | 2008 |
|
RU2374350C1 |
Authors
Dates
2009-02-27—Published
2007-01-16—Filed