DRUM MILL TO PROCESS RADIATED OR REJECTED NUCLEAR FUEL Russian patent published in 2012 - IPC G21C19/42 B02C17/02 

FIELD: power engineering.

SUBSTANCE: invention may be used in radiochemical production for regeneration of radiated nuclear fuel, and also for processing of manufactured, but rejected nuclear fuel. A drum mill for processing of radiated or rejected nuclear fuel comprises a vessel, inside of which there is a perforated drum and a sieve drum installed concentrically as joined with a drive of rotation and closed at the ends. The latter is filled with grinding solids in the form of rods. The drum comprises a nozzle for loading of nuclear fuel into the sieve drum for processing and a nozzle to unload the processed nuclear fuel. The drum mill is equipped with a nozzle to supply a gaseous oxidiser into the vessel. The sieve drum is fixed on the perforated drum from inside, and the vessel bottom is arranged as flat and inclined, is equipped with a container attached to it. The nozzle for unloading of the processed nuclear fuel is installed in the container and is communicated with a vacuumising system.

EFFECT: combination of two technological processes in one device: grinding of initial nuclear fuel and its recrystallisation, makes it possible to exclude additional operations related to transportation of ground fuel.

2 dwg