Patent ID: 6058741
Filing Date: 2000-05-09
Classification: C03B,G21F,Y02P,Y10S

Abstract:
An installation for vitrification of liquid heterogeneous radioactive wastes comprisinga mixer provided with a means for mixing components, having an input, a second input, and an output,a doser of vitrification agent additives, having an output coupled to said input of said mixer,a doser of heterogeneous liquid radioactive wastes, connected by its output to said second input of said mixer,a vessel-accumulator provided with a means for homogenization of components, having an input coupled to said output of said mixer and an output,a vortex apparatus serving to process the mixture of liquid radioactive wastes in a vortex layer, having an input connected to said output of said vessel-accumulator, and an output provided with a doser,a cooled induction melter with a movable inductor, having a first input connected to said output of said doser of the vortex apparatus, a second input, a first output for discharge of obtained melt of vitrified radioactive wastes and a second output for discharge of waste gases,a means for filtering waste gas having successively mounted coarse filters and fine filters, having an input connected to said second output of said melter, and an output,a condenser for condensing liquid vapors released from said melter, having an input connected to said output of said means for filtering waste gas and an output,a means for capturing gaseous toxic components, including an absorber, heater, catalytic reactor and condenser, and having an input coupled to an output of said condenser, and an output coupled to the atmosphere.