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Design and Application of Radiometric Truck Scanner in Open Pit Mine
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Chaofei QIN, Yulong LIU, Ning CHEN, Hongzhang CHEN
Uranium Mining and Metallurgy | 2025, 44(2) : 99 - 108
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Uranium Mining and Metallurgy | 2025, 44(2): 99-108
MINING AND HYDROMETALLURGY
Design and Application of Radiometric Truck Scanner in Open Pit Mine
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Chaofei QIN, Yulong LIU, Ning CHEN, Hongzhang CHEN
Affiliations
  • CGNPC Uranium Resources Development Co., Ltd., Beijing 100029, China
Published: 2025-05-20 doi: 10.13426/j.cnki.yky.2024.10.08
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The Husab Uranium Mine has complex ore body and issues of ore body displacement during production blasting, which leads to severe ore-waste mixing. Additionally, there is a lack of measurement methods for the truck after loading. To detect the grades after loading and distinguish the ore from the waste, further to control and measure the ore dilution and ore loss, Husab Mine designed and developed the radiomatric truck scanner. By determining the exact time points of entry and exit through infrared beam detection, and identifing the truck identities using radio frequency identification technology, the dynamic scanning is achieved. By using three sets of gamma spectrometers, the error caused by irregular ore loading and deviations in truck driving paths, is minimized. By integrating the on-site data collection system, the server-based data management system, and the client data management system, the management of multiple truck scanner become available. By connecting the truck scanner to the dispatch system, the scanner data can be used to guide trucks on where to unload at the stockpile. To assess the impact of the truck scanner on uranium mine production, both the shovel boundary model data and truck scanner data were compared against the grade control model data, which serve as a benchmark, to calculate the dilution rate and ore loss rate under each scenario, the dilution rate and ore loss rate dropped from 8.14% and 12.62% to -3.36% and 4.85%. The summary and Analysis of two months' production data revealed that, the scanner can effectively distinguish the ore with different grades and seperate the ore and waste. It’s found out that the ore transported reduced 8.4%, the recovered metal increased 4.7%, and the average grade on the stockpile increased 19.8%. These findings demonstrate the significant and positive impact of the truck scanner on production at Husab Uranium Mine.

uranium mine  /  truck scanner  /  ore loss rate  /  dilution rate  /  composite model  /  grade control model  /  dynamic scanning
Chaofei QIN, Yulong LIU, Ning CHEN, Hongzhang CHEN. Design and Application of Radiometric Truck Scanner in Open Pit Mine[J]. Uranium Mining and Metallurgy, 2025 , 44 (2) : 99 -108 . DOI: 10.13426/j.cnki.yky.2024.10.08
Year 2025 volume 44 Issue 2
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doi: 10.13426/j.cnki.yky.2024.10.08
  • Receive Date:2024-10-18
  • Online Date:2025-07-04
  • Published:2025-05-20
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  • Received:2024-10-18
Affiliations
    CGNPC Uranium Resources Development Co., Ltd., Beijing 100029, China
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表12种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

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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