| 摘要 |
A method for spraying a medium mist, especially a medium mist used in firefighting, over a large area, in which method at least two sprays of medium mist are formed, of which a first spray (S 1 ) is within a second medium mist spray (S 2 ) at least at or near the spraying point. During the formation of the sprays (S 1 , S 2 ), the medium is set into a swirling motion at least before the discharge opening ( 5, 13 ) of the nozzle used to form each spray (S 1 , S 2 ) and/or at least before the sprays (S 1 , S 2 ) are mixed with each other, and that the swirling directions of the medium in different sprays (S 1 , S 2 ) are opposite to each other, whereby a preferably homogeneous mist spray spread over a large area is achieved.
|
