DIRECT FIRED HEATERS WITH IN-SHOT BURNERS, TUBULAR COMBUSTION CHAMBERS, AND/OR VARIABLE VENTURI
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United States of America Patent
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N/A
Issued Date -
Jun 23, 2011
app pub date -
Dec 17, 2009
filing date -
Dec 17, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Exemplary embodiments of the present disclosure include direct fired heaters and methods relating to the operation of direct fired heaters. An exemplary embodiment of a direct fired heater generally includes one or more in-shot burners and one or more combustion tubes configured to receive combustion air emanating from the one or more in-shot burners. The direct fired heater includes a passageway having an inlet configured to receive or intake a circulating air flow. The passageway may include a venturi portion downstream of the inlet in fluid communication with the exit ends of the combustion tubes. The flow of circulating air through the venturi portion may induce flow of combustion air through the one or more combustion tubes.
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