Method of starting up a direct heating system for the flameless combustion of fuel and direct heating of a process fluid
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United States of America Patent
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Sep 13, 2011
Grant Date -
Oct 5, 2006
app pub date -
Mar 9, 2006
filing date -
Mar 10, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
Included is a method of starting up a direct heating device having a fuel introduction zone, a combustion zone and a process zone that is in heat exchange relationship with said combustion zone. Prior to the introduction of a fuel fluid into said combustion zone, an oxidant fluid, having a high temperature, is passed through the combustion zone for a warm-up time period sufficient to raise the temperature of the direct heating device to a desired temperature. Steam or a process fluid is passed through the process zone followed by the introduction of a fuel fluid into the fuel introduction zone. After the device has been heated up a process fluid is introduced through the process zone. Thereafter, the introduction of steam through the process zone may be stopped.
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