Device and method for disposing low and medium-radioactivity solid waste by hot plasmas
A thermal plasma and radioactive waste technology, applied in radioactive purification, nuclear engineering, etc., can solve problems such as unfavorable radionuclide capture and control, inability to capture and solidify radionuclide heavy metals, radionuclide diffusion, etc., to achieve The effect of minimizing and stabilizing processing, safe and reliable processing, and reducing storage space
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[0028] see figure 1 , 2 3. A device for thermal plasma treatment of low- and medium-level radioactive solid wastes includes a plasma melting and gasification furnace. There is a molten pool crucible 2, and the fire grate 4 arranged in the furnace divides the furnace into two parts: an upper gasification zone 18 and a lower melting zone 19. According to the needs, 2-4 DC plasma torches 1 can be installed, and externally connected to the plasma discharge power supply through cables, and the working gas and cooling system of the plasma torch are externally connected to the working gas preparation supply device and the cooling water supply device through the pipeline; the furnace The cover 17 is provided with a plurality of through holes, wherein the central through hole is used as the feed port 21, and the feed port 21 is provided with 2 feed bins, which are respectively the upper feed bin 8 and the lower feed bin 9, and through The interlocking control of the upper valve 10 an...
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