| 摘要 |
<p>In an apparatus with a burner end heat exchanger, between a hollow cylinder (1) provided with an end wall (2) and a concentric insert (8) there is formed an annular gap (12) which is free from integers and in which the combustion gases flow from the burner to the outlet. The end of the insert (8) facing the end wall (2) is provided with an annular end wall (9) and a central burner (16) for gasified liquid or gaseous fuel centrally disposed in the insert. The central burner (16) comprises a heatable central fuel preparing chamber (17) and a passage system (26) for the air of combustion with a concentric mouth (32). As an extension of the insert (8), a burner tube (10) terminates at a spacing from the end wall (2) of the hollow cylinder (1). Fig. 2.</p> |
