Radiant cell watertube boiler and method
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United States of America Patent
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May 2, 1995
Grant Date -
N/A
app pub date -
Jun 16, 1993
filing date -
Jun 16, 1993
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A watertube boiler system is disclosed which provides a plurality of radiant burners mounted within a housing in parallel, spaced-apart relationship. Individual burners are encircled by heat cells comprised of watertube coils which are in tangential juxtaposed relationship achieving a high view factor to the burner surfaces. Premixed fuel and air combusts on the outer surfaces of the burners which radiate energy to the tubes forming the heat cells. The ratio of combustion surface area to heat cell volume is within an optimum range for minimizing NOX and CO emissions.
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