Stone wool is considered one of the most important insulation materials in construction, as it provides excellent thermal and acoustic insulation as well as outstanding fire resistance. Among the key stages of its production process is the melting of raw materials, which requires precise control of temperature, voltage, and power. We designed a prototype of an electric melting furnace that simulates the operation of an industrial version and tested the influence of process parameters on the stability and efficiency of melting. We found that appropriate granulation and the ratio of raw materials ensure stable electrical conditions, uniform heating, and the achievement of target temperatures without sudden current load surges.
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