| 摘要 |
PROBLEM TO BE SOLVED: To surely separate and recover, over a long period, radioactive dust having a wide particle size distribution generated in sand blast treatment, without affected by a pressure loss in each device. SOLUTION: At least an inertia dust collector 21, a bag filter device 23 and a suction device 25 are connected in order to a conveying pipe 10 for conveying exhaust air containing the radioactive dust, and the exhaust air is forcibly passed through the inertia dust collector 21 and the bag filter device 23 with suction force by the suction device 25. COPYRIGHT: (C)2004,JPO&NCIPI
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