Apparatus for the expansion of mineral matter, especially perlite and vermiculite
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United States of America Patent
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Apr 23, 1985
Grant Date -
N/A
app pub date -
Dec 17, 1982
filing date -
Dec 23, 1981
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Perlite and vermiculite are blown by injecting the particles, entrained in a carrier gas, through a burner at the bottom of a fluidized bed furnace, into the latter with, within and codirectionally with the flame to ensure uniformity of the product.
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