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Influence of Ore Shape on the Efficiency of Radioactive Sorting and Detection
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Chen ZHANG, Xianming HOU, Jiang HOU, Shaohai LI, Yuhui TIAN, Guang LI, Jia MA, Shouxun ZHANG
Uranium Mining and Metallurgy | 2025, 44(3) : 23 - 27
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Uranium Mining and Metallurgy | 2025, 44(3): 23-27
Influence of Ore Shape on the Efficiency of Radioactive Sorting and Detection
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Chen ZHANG, Xianming HOU, Jiang HOU, Shaohai LI, Yuhui TIAN, Guang LI, Jia MA, Shouxun ZHANG
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  • Beijing Research Institute of Chemical Engineering and Metallurgy, CNNC, Beijing 101149, China
Published: 2025-09-10 doi: 10.13426/j.cnki.yky.2024.12.02
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The ore subjected to radioactive sorting treatment is crushed ore, with random shapes, which directly affects the accuracy of ore grade detection. To enhance the accuracy of radioactive separation detection, standard samples of uranium ore were prepared to conduct an influence test on how the shape of uranium ore affects detection efficiency. The relationship between the ore shape factor and the variation coefficient of detection efficiency was examined, leading to the establishment of a detection efficiency correction algorithm based on ore shape. Additionally, a quantification method for ore shape suitable for uranium ore radioactivity detection was proposed. The validity of the proposed detection efficiency correction algorithm has been verified through practical ore sorting tests. After implementing this algorithm, the error in uranium ore grade detection was reduced to less than 5% in over 70% of the test groups. This significantly mitigates the impact of ore shape on detection efficiency and enhances the accuracy of uranium ore grade detection.

radioactive sorting  /  detection efficiency  /  correction algorithm  /  uranium ore grade  /  ore shape
Chen ZHANG, Xianming HOU, Jiang HOU, Shaohai LI, Yuhui TIAN, Guang LI, Jia MA, Shouxun ZHANG. Influence of Ore Shape on the Efficiency of Radioactive Sorting and Detection[J]. Uranium Mining and Metallurgy, 2025 , 44 (3) : 23 -27 . DOI: 10.13426/j.cnki.yky.2024.12.02
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Year 2025 volume 44 Issue 3
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doi: 10.13426/j.cnki.yky.2024.12.02
  • Receive Date：2024-12-05
  • Online Date：2025-09-06
  • Published：2025-09-10
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  • Received：2024-12-05
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    Beijing Research Institute of Chemical Engineering and Metallurgy, CNNC, Beijing 101149, China
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https://castjournals.cast.org.cn/joweb/yky/EN/10.13426/j.cnki.yky.2024.12.02
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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