| 摘要 |
<p>The device has a combustion air channel attached at a blower, and opening out into an upstream of face plate (4) to a housing (7). The plate includes a flow opening (5) provided in an orifice area of the combustion air channel. The plate includes a central flow opening arranged coaxial to a fuel nozzle (3) for a combustion air, where inner combustion air stream surrounds the nozzle via the opening. Outer combustion air stream surrounds the inner combustion air stream close to a fuel stream via the opening, where the inner and outer air streams at a distributor mechanism (8) are divided.</p> |
