FIELD: cleaning condensers of steam turbines and other heat exchangers in various industries. SUBSTANCE: device has housing in the form of regular cylinder with closed ends and ball charging and discharging pipes, water-ball mixture inlet and outlet and air suction pipes. Housing accommodates swivel screen arranged along its axis as well as transverse gauze partition placed at one of its ends to form, together with mentioned end and part of cylinder between them, compartment for rejection worn-out balls. Swivel screen is mounted within remaining part of cylinder; warn-out balls collector is placed under mentioned compartment and communicates with it; air suction pipe is placed within the warn-out balls collector. EFFECT: enlarged functional capabilities. 3 dwg
