PROCEDURE FOR PRODUCTION OF SILICON CONTAINING REAGENT FOR PRODUCTION OF ALUMINIUM-SILICON ALLOYS Russian patent published in 2011 - IPC C22C1/02 C22C21/02 

FIELD: metallurgy.

SUBSTANCE: procedure consists in preparation of crushed crystal silicon and halogen containing flux. Also, crushed crystal silicon is preliminary dampened, further, halogen containing flux in a solid powder-like state is applied on dampened silicon, and silicon covered with flux is dried. In particular cases of implementation of the invention crystal silicon is preliminary dampened with organic substance, for example, water solution of carboxy-methyl-cellulose or non organic substance, for example, water or water solution of sodium silicate. Mixture of halogenide containing flux with starch and/or flour is applied on dampened silicon. As halogenide containing flux there is used one-component flux or multi-component flux, of complex halogenide of alloying and/or alloy modifying element.

EFFECT: efficient processing crystal silicon practically of any fraction at foundry; reduced energy expenditures and time for alloy production; reduced gas contents and contents of non-metallic inclusions in aluminium-silicon alloys; fine disperse homogenous structure of foundry products.

10 cl, 1 tbl, 3 ex