Method and apparatus for heating particulate material
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United States of America Patent
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Jun 4, 1985
Grant Date -
N/A
app pub date -
Jan 21, 1982
filing date -
Jan 21, 1982
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Particulate material is heated by directing a flame downwardly along the central axis of a vertically disposed furnace. The particulate material is introduced at a number of locations distributed radially around the flame at the upper end of the furnace. The particulate material is directed downwardly and toward the central axis of the furnace placing the particulate material within the flame as it passes downwardly through the furnace.
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