FIELD: inorganic fibers. SUBSTANCE: basalt-containing mineral is melted in tank furnace and melt is subjected to bubbling, degassing, and homogenization. Homogenous melt is then fed on stream feeder assembly to form filaments. Melting is carried out with specific velocity of taking off melt equal to 0.5-5.0 kg/min. Bubbling is performed by feeding calculated amounts (design formula presented) of oxygen-containing gas agent through nozzles located in bottom section of melting zone. EFFECT: twice increased service time of molybdenum electrodes and platinum stream feeder assembly. 7 cl, 1 dwg, 1 tbl
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