FIELD: chemistry.
SUBSTANCE: invention relates to briquetting of small waste of ferroalloy production in the form of ferrosilicon manganese or ferrosilicon. Waste is dosed, plasticizer is added, mixed with liquid glass, produced mixture is pressed into briquettes, strengthening of briquettes by neutralizing the alkaline element in liquid glass and drying of briquettes is obtained. Plasticizer used is an acid liquid-plastic substance which is applied on the surface of particles of mentioned wastes in the form of films at mixing of the mixture before mixing with liquid glass. Strengthening of briquettes is performed by neutralization of alkali element in liquid glass by chemical reaction between liquid glass in contact with plasticizing film of plasticizer, consisting of treacle-molasses, pretreated with acid containing additives.
EFFECT: invention allows to reduce the degree of oxidation of silicon in briquettes, improve strength and higher briquettes solubility in liquid metals and alloys.
5 cl, 1 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD OF MANUFACTURE OF BRIQUETTES OUT OF FERROSILICON POWDERY WASTES | 2004 |
|
RU2270262C1 |
| METHOD OF BRIQUETTING DISPERSED FRACTIONS OF FERROALLOYS | 2004 |
|
RU2268313C1 |
| CHARGE FOR PRODUCTION OF BRIQUETTES FOR SMELTING OF SILICOMANGANESE | 2000 |
|
RU2165988C1 |
| METHOD OF PRODUCTION OF BRIQUETTES OUT OF DISPERSIBLE MATERIALS | 2004 |
|
RU2274666C1 |
| CHARGE FOR PRODUCTION OF BRIQUETTES FOR MELTING FERROALLOYS | 2001 |
|
RU2201976C2 |
| METHOD FOR MAKING BRIQUETTES | 1999 |
|
RU2156814C1 |
| METHOD OF PRODUCTION OF BRIQUETTES OUT OF FERROALLOYS WASTES | 2004 |
|
RU2272082C1 |
| PROCEDURE FOR PRODUCTION OF BRIQUETTES OUT OF INDUSTRIAL DISPERSED FERROALLOYS | 2007 |
|
RU2398029C2 |
| METHOD OF SILICON-BEARING RESIDUES POWDERS RECOVERY | 2007 |
|
RU2350430C1 |
| MIXTURE TO PRODUCE CARBON-CARRYING BRIQUETTES | 2002 |
|
RU2202633C1 |
