| 摘要 |
<p>A device at a heat treatment oven of the type using a combination of radiation heat and convection heat, and where in connection to the oven chamber are provided means (4, 19) arranged to circulate the oven atmosphere through the oven chamber and a channel (20, 21) situated outside the oven chamber and back to the oven chamber, whereby the device incorporates a gas burner (7) arranged at combustion to emit its flame in a direction, which at least partly touches or coincides with the circulation channel (20, 21) for the oven atmosphere, and where the gas burner (7) is arranged to direct its flame into a vessel (22), provided in the circulation channel (20, 21) for the circulating atmosphere.</p> |
