FIELD: metallurgy; production of deferrized low-phosphorus manganese slag for melting the manganese ferroalloys.
SUBSTANCE: proposed method includes melting of burden containing manganese-bearing material, carbon-containing reductant and dump slags of silico-manganese followed by tapping the melt products. Used as manganese-containing material is low-grade high-phosphorus ferro-manganesian ore; ratio of sum of calcium and magnesium oxides to sum of silicon and aluminum oxides contained in burden is equal to 0.25-0.70.
EFFECT: possibility of making use of off-grade manganese-containing materials in melting ferroalloys.
3 ex
| Title | Year | Author | Number |
|---|---|---|---|
| BURDEN FOR PRODUCTION OF IRON-FREE LOW-PHOSPHOROUS MANGANESE SLAG | 2005 |
|
RU2283352C1 |
| MIDDLE- AND LOW-CARBON FERROMANGANESE PRODUCTION PROCESS | 2005 |
|
RU2295586C2 |
| METHOD OF SMELTING LOW-PHOSPHORUS MANGANESE SLAG TO OBTAIN COMMERCIAL LOW-PHOSPHORUS CARBONIC FERROMANGANESE | 2018 |
|
RU2711994C1 |
| METHOD OF COMBINED PROCESSING OF OXIDED AND CARBONATE FERROMANGANESE ORES | 2008 |
|
RU2374350C1 |
| METHOD FOR PRODUCTION OF METAL MANGANESE AND/OR LOW-CARBON FERROMANGANESE | 1996 |
|
RU2104322C1 |
| CHARGE FOR MELTING CARBON FERROMANGANESIAN | 2002 |
|
RU2212465C1 |
| REPROCESSING METHOD OF FERRIMANGANESE BASES AND CONCENTRATES WITH RECEIVING OF ALLOY WITH CARBON-REDUCTION PROCESS | 2008 |
|
RU2382089C1 |
| CHARGE FOR PRODUCTION OF BRIQUETTES FOR SMELTING OF SILICOMANGANESE | 2000 |
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| METHOD OF OBTAINING POROUS GLASS MATERIAL WITH LOW CONTENT OF MANGANESE FROM POOR AND HIGHLY PHOSPHOROUS MANGANESE ORES | 2007 |
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| METHOD FOR MELTING MIDDLE-CARBON FERROMANGANESE | 2018 |
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RU2710706C1 |
