VERTICAL MELTING FURNACE FOR IGNEOUS ROCK FIBER MANUFACTURING
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United States of America Patent
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Issued Date -
Jun 6, 2024
app pub date -
Dec 4, 2023
filing date -
Dec 6, 2022
priority date (Note) -
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Abstract
The present invention is directed to a vertical volcanic rock melting furnace having a reduced spatial footprint relative to prior art furnaces. The melting furnace includes a top melting section, which raises the temperature of a charge above the liquidus temperature, a middle cooling section configured to reduce the temperature of the melt, and a bottom conditioning section configured to maintain the melt above a crystallization temperature before the melt is distributed to one or more bushing plates to extrude into fibers. The top melting section and the bottom conditioning sections are surrounding by induction coils for inductively raising the temperature of the melt.
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