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3 до достижени конечного содержани суммы примесей; на второй стадии печь отключаетс и -ферросилиций в количестве 70-90% от исходного кристаллизуют, после чего оставщийс жидкий продукт с темнературой 1250-5 4 1350°С, обогащенный примес ми, сливают и твердый продукт, содержащий менее 0,3% суммы прим-есей алюмини , кальци , титана, марганца, хрома, фосфора и углерода вновь расплавл ют н заливают по изложницам.3 until the final amount of impurities is reached; in the second stage, the furnace is turned off and α-ferrosilicon in the amount of 70-90% of the initial one is crystallized, after which the remaining liquid product with a temperature of 1250-5 4 1350 ° C enriched with impurities is drained and the solid product containing less than 0.3% of the amount - A mixture of aluminum, calcium, titanium, manganese, chromium, phosphorus and carbon is re-melted and poured into molds.
SU2026798A1974-05-211974-05-21
The method of producing ferrosilicon
SU539979A1
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