DEVICE FOR WASHING A TURBOMACHINE AIR INTAKE CASING
A turbomachine air intake casing including an inner annular wall and an outer annular wall defining an air passage and at least two cleaning agent injection nozzles, wherein a first nozzle is directed towards the outer wall while a second nozzle is directed towards the inner wall.
1 . A turbomachine air intake casing comprising an inner annular wall and an outer annular wall defining an air passage and at least two cleaning agent injection nozzles, wherein a first nozzle is directed towards the outer wall while a second nozzle is directed towards the inner wall, the first nozzle and the second nozzle being arranged in the inner wall.
2 . An air intake casing according to claim 1 , including at least one set of nozzles comprising a first nozzle directed towards the outer wall and a second nozzle directed towards the inner wall, the first nozzle and the second nozzle of the set of nozzles being arranged in a common radial half-plane.
3 . An air intake casing according to claim 1 , having a plurality of first nozzles regularly distributed in azimuth within said casing and a plurality of second nozzles regularly distributed in azimuth within said casing.
4 . An air intake casing according to claim 1 , wherein the first nozzle and the second nozzle are directed downstream, where upstream and downstream are considered relative to the upstream to downstream flow direction of the stream through the air intake casing.
5 . An air intake casing according to claim 1 , wherein the first nozzle is arranged upstream from the second nozzle, upstream and downstream being considered relative to the upstream to downstream flow direction of the stream through the air intake casing.
6 . An air intake casing according to claim 1 , forming a radial air intake casing.
7 . An air intake casing according to claim 1 , including a cleaning agent feed circuit for feeding the nozzles with cleaning agent.
8 . A turbomachine including an air intake casing according to claim 1 .