| 摘要 |
A fuel combustion apparatus comprising a double concentric combustion cylinder having an outer cylinder and an inner cylinder concentric with, and shorter than, the outer one, said inner cylinder being located in the upstream portion of the space and extending axially to form an annular space between itself and the outer cylinder, a plurality of fuel injection valves installed in a circular arrangement at the head of the annular space, combustion air swirlers mounted around the fuel injection valves, one for each, with the same angle of swirl in a given direction, another combustion air swirler installed at the inner end of the inner cylinder and having an angle of swirl in the direction reverse to that of the said swirlers, and a plurality of air holes formed confinedly in the wall portion of the outer cylinder surrounding the inner end of the inner cylinder and also in the wall portion of the outer cylinder at a distance of not less than the diameter of the outer cylinder downstream from the said first air holes.
|
