abstract |
FIELD: metallurgy. n SUBSTANCE: invention relates to ferrous metallurgy, particularly to composition of briquette for cast iron smelting. Briquette received by charge compressing method includes, wt %, rolling manufacturing dross 7-69, trifolyne 8-70, oxidised iron ore 15-24, cement 5-12. n EFFECT: receiving of ability to utilise waste products. |