Method for preparing mineral wool by tempering steel slag reducing slag

The invention relates to the technical field of comprehensive utilization of metallurgical slag, and particularly discloses a method for preparing mineral wool by tempering steel slag reducing slag, which comprises the following steps: A01, pouring steel slag into a smelting furnace, adding acidic oxide, stirring and mixing, adding a reducing agent, and stirring and mixing to prepare the steel slag reducing slag and pig iron; a02, the steel slag reducing slag prepared in the step A01 is added into a smelting furnace to be smelted, silica is added for stirring and mixing, heating continues till the steel slag reducing slag is in a liquid state, and liquid reducing slag is prepared; and A03, the liquid-state reducing slag prepared in the step A02 is poured into a closed space, the flow speed of the liquid-state reducing slag is not larger than 3 t/min, an airflow medium is jetted to the liquid-state reducing slag till wire drawing is conducted, a mineral wool product is prepared, mineral wool in the mineral woo