摘要：

the invention allows to produce locally and to project balls of ice against objects to be treated.the device comprises a water injector (2), using a large number of holes (4) to form a droplet spectrum within the exchange column (6), driven by cold gas, in which they begin to solidify.a receptacle (8) of the column (6) with an exchange block (12) for a liquid coolant in a cone (10) for receiving balls as they solidify completely, and an orifice (14) for evacuation, a screw extraction (16), a gas supply (cold in ha. ut this screw extraction (16) to push logs to a pressure nozzle (26).application of cleaning and decontamination by projection.

展开