Apparatus, systems, and methods for pre-heating feedstock to a melter using melter exhaust
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United States of America Patent
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Nov 14, 2017
Issued Date -
N/A
app pub date -
Sep 3, 2015
filing date -
Sep 3, 2015
priority date (Note) -
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Abstract
Feedstock supply structure apparatus, including an exhaust conduit fluidly and mechanically connectable to a structure defining a melting chamber, the exhaust conduit positioned at an angle to vertical ranging from 0 to about 90 degrees. The exhaust conduit may include a heat exchange substructure, or the conduit itself may serve as a heat exchanger. A feedstock supply structure fluidly connected to the exhaust conduit. Systems include a structure defining a melting chamber and an exhaust conduit fluidly connected to the structure. The exhaust conduit includes a heat exchange substructure for preheating the feedstock. Methods include supplying a granular or pellet-sized feedstock to the melter exhaust conduit, the exhaust conduit including the heat exchange substructure, and preheating the feedstock by indirect or direct contact with melter exhaust in the heat exchange substructure.
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