The amount of ferrosilicon smelting coke added is adjusted according to what 

The amount of ferrosilicon smelting coke added is adjusted according to what:

1. When the furnace condition changes, the amount of coke added should be adjusted. When the furnace condition is sticky, the amount of coke added should be appropriately increased. Excess carbon in the furnace condition should appropriately reduce the amount of coke added;

2. When the electrode is inserted into the charge material is shallow, the amount of coke added can be appropriately reduced;

3. Smaller capacity of the mineral heat furnace, the furnace mouth temperature is lower, the burn loss of coke is less, so the amount of coke added should be appropriately reduced;

4. In the same furnace, when the secondary voltage is high during smelting, the amount of coke should be appropriately less;

5. In the mineral heat furnace of the same capacity, when the diameter of the polar circle between the electrodes is larger, the amount of coke added should be more, and when the diameter of the polar circle is smaller, the amount of coke should be less.

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