| 摘要 |
A water heater with reduced nitrogen oxides output utilizing NOx reducing water conduits to cool a laminar flame and thereby reduce production of nitrogen oxides, The water heater has a partially aerated burner using a partially premixed combustion method to produce the laminar flame wherein a plurality of NOx reducing water conduits are disposed above the partially aerated burner in such a manner that water is supplied from a cold water conduit or a hot water conduit of the water heater into the plurality of NOx reducing water conduits through a water introducing portion by means of branching or serial connections. The water absorbs heat while flowing through the plurality of NOx reducing water conduits and is returned to the cold water conduit or the hot water conduit through a water receiving portion by means of and branching or serial connections.
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