Simplified system for feeding over-fire air to a heater for a low NOx emission
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United States of America Patent
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N/A
Issued Date -
May 30, 2002
app pub date -
Nov 23, 2001
filing date -
Nov 24, 2000
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A system for feeding over-fire air to a combustion chamber (10, 24, 42) of a steam or hot water generation plant of low-medium capacity, using solid, liquid or gaseous fuel or a combination thereof, comprising a main combustion air duct (5) supplied to a burner unit (11, 25, 43) in the combustion chamber and an over-fire air duct (12, 27, 44), which extends within said combustion chambers and is provided at its end with nozzle means (17, 27, 47) for said over-fire air.
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