Heat exchanger element with a combustion chamber for a low CO and NOx emission combustor
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United States of America Patent
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May 20, 2014
Grant Date -
Nov 11, 2010
app pub date -
Oct 8, 2008
filing date -
Oct 25, 2007
priority date (Note) -
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Abstract
The present invention provides a new heat exchanger element comprising a premix burner with an outward curved or ridged burner surface. The heat exchanger element further comprises a combustion chamber. The combustion chamber is bound on one side by the burner and is further made up of water cooled metal walls which, starting from the burner and in downstream direction, first widen and thereafter narrow down to the width of a customary heat exchanger element. This creates enough space for a proper combustion, avoiding dead angles and recirculation or too early ending of the combustion reaction, thereby reaching low emissions of NOx and CO.
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