| 摘要 |
The device comprises a liquid flow conduit ( 12 ), a rotating nozzle ( 14 ), which is mounted on a liquid discharge opening ( 20 ) of the flow conduit ( 12 ) so as to rotate, the rotating nozzle ( 14 ) being penetrated by at least one opening ( 32, 33, 34 ) for spraying a liquid, a wall ( 48 ) for distributing the liquid extending transversely in the flow conduit ( 12 ) over the entire cross-section of flow, the wall ( 48 ) for distributing the liquid being penetrated by a central conduit ( 56 ) for generating a central jet, and at least one tangential conduit ( 60 ) for generating at least one tangential jet in the direction of a drive axis, and a wall ( 50 ) for driving the nozzle ( 14 ), which extends opposite the wall ( 48 ) for distributing the liquid and is penetrated by at least one conduit ( 64 ) for receiving the or each tangential jet in order to rotationally drive the nozzle. The drive wall ( 50 ) is rotationally engaged with the nozzle ( 14 ).
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