Sealed and zone rotary grate convection solids processing apparatus
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United States of America Patent
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Feb 9, 1999
Grant Date -
N/A
app pub date -
Oct 1, 1997
filing date -
Oct 1, 1997
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A rotary hearth furnace includes a base having a plurality of first plenums, an upper chamber having a plurality of second plenums and a hearth rotatable between the base and the upper chamber and having a plurality of third plenums. The hearth is moveable between the base and the upper chamber so that two or more of the third plenums are positionable to receive gas exhausted by one of the first plenums and to discharge the received gas into one of the second plenums.
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