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ISSN : 1738-1894(Print)
ISSN : 2288-5471(Online)
Journal of Nuclear Fuel Cycle and Waste Technology Vol.3 No.1 pp.67-75
DOI :

Hot Cell 내의 고방사능 분진 제거를 위한 사이클론 적용 실험

Application of Cyclone to Removal of Hot Particulate in Hot Cell

Gye-Nam Kim, Sung-Yeol Lee, Hui-Jun Won, Chong-Hun Jung, Won Zin Oh

Abstract

The size and main ingredient of hot particulate generated during the nuclide experiment in hot cells of nuclear facilities were 0.5300 m and UO. A cyclone filter equipment which consists of a cyclone and Bag/HEPA filter was devised to remove hot particulate generated during the nuclide experiment in hot cells of nuclear facilities. The experimental conditions to maximize the collection efficiency of hot particulate were suggested through experiments done with the cyclone filter equipment. With the large size of simulated particulate, the collection efficiency of the particulate was high. When the size of simulated particulate was more than 5 m, the collection efficiency of the particulate was more than and when the size of simulated particulate was less than 1.0 urn, the collection efficiency decreased by less than . If the inflow velocity of simulated particulate was increased, the collection efficiency of the particulate was also increased. When the inflow velocity of simulated particulate was more than 12m/sec, the collection efficiency was higher than , but after 17 m/sec inflow velocity, no change observed. The collection efficiency of the simulated particulate can be enhanced with the length of vortex finder inside the chamber. With the length of vortex finder, 7.2cm, the observed collection efficiency of the particulate was the maximum. Moreover, when the sub-cone was attached under the cyclone, the collection efficiency of cyclone increased . It was found that effect by attachment of sub-cone was not serious.
hot particulate, cyclone, collection efficiency, velocity, size, vortex finder, sub-cone, 고방사능 분진, 사이클론, 포집효율, 유입속도, 입자크기

 

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