| 摘要 |
<p>The present invention relates to a boiler (1) for producing hot water comprising a burner (10), fuel feeding means (110) for the burner (10) and comburent feeding means (210) for the burner (10), a combustion chamber (20), adjacent and operatively connected to the burner (10), for the flameless combustion of fuel and comburent. The boiler (1) comprises a plurality of tubes (120, 120', 220, 220', 320, 320', 420, 420') for preheating the comburent, at least partly arranged within the combustion chamber (20) and connected to the comburent feeding means (210).</p> |
