Device for Decontaminating Surfaces

Surface blasting device using a jet of compressed air, fine grain blasting materials and liquid, said device comprising a frame, a first reservoir for storing a fluid put under pressure by a pump a motor, a second reservoir for storing a fine grain blasting materials pressurized by compressed air, blasting means, cooling means driven by the motor, connecting means for connecting the blasting means with the first and second reservoir, the blasting means comprising a blasting nozzle with an outer body having a tapered bore which extends over the full length of the outer body, said nozzle being arranged on a handle provided with a trigger, said handle being connected to the connecting means to turn the liquid and the compressed air/blasting materials mixture on or off, characterized in that it comprises a compressor driven by the motor and controlled by the handle through a pneumatic circuit to put the blasting materials reservoir under pressure.