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Development of a mobile personnel radiation protection equipment |
HE Yuan, PANG Hongchao, LIU Yang, WU Jianhua, WANG Junlin, HONG Yanan, CHEN Xubiao, WANG Hualin, SHI Xiaoyu, PAN Miao, WANG Qiang |
China Institute of Atomic Energy, Beijing 102413 China |
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Abstract Objective To design a mobile personnel radiation protection equipment for operation in environments with high radiation such as spent fuel reprocessing plants, to achieve simultaneous protection against γ radiation, neutron radiation, and radioactive aerosol, to reduce the internal and external exposure dose of radioactive workers, and to meet the requirement of operation for two hours. Methods The core parts of the mobile personnel radiation protection equipment included a shielding chamber and a respiratory maintenance system. An automated chassis was used for the movement and lifting of the shielding chamber. MCNP software was used to simulate and calculate the protective effects of shielding chamber made of different materials and material thicknesses. Experimental verification of the shielding chamber design was conducted. Mathematical models were established to describe the variations in the content of various gases in the chamber with personnel operation time. A respiratory maintenance system, a harmful gas absorption device, and an automated mobile chassis were designed. Results The shielding chamber made of polyethylene with a thickness of 80 mm achieved an 80% neutron shielding rate. The respiratory maintenance system could support workers for 2 hours of operation inside the equipment. The mobile chassis allowed operation of the equipment with one person. Conclusion This mobile personnel radiation protection equipment can solve the problem in simultaneous protection against γ radiation, neutron radiation, and radioactive aerosol. The equipment can provide radiation protection for radioactive workers, reduce exposure dose, and reduce personnel burden. This system provides technical means for the operation and maintenance of equipment in high-radiation sites such as spent fuel reprocessing plants.
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Received: 25 September 2023
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[1] 熊雯雯. 乏燃料后处理设备源项计算研究[D]. 北京: 华北电力大学(北京), 2022. DOI: 10.27140/d.cnki.ghbbu.2021.001561. Xiong WW. Research on calculation of source term in spent fuel reprocessing equipment[D]. Beijing: North China Electric Power University, 2022. DOI: 10.27140/d.cnki.ghbbu.2021.001561. [2] 张天祥, 王健, 吴涛, 等. 我国动力堆乏燃料后处理中间试验厂热调试进展[J]. 科学通报,2011,56(21):1679-1682. DOI: 10.1007/s11434-011-4600-2 Zhang TX, Wang J, Wu T, et al. Progress in thermal debugging of China's power reactor spent fuel reprocessing intermediate test plant[J]. Chin Sci Bull, 2011, 56(21): 1679-1682. DOI: 10.1007/s11434-011-4600-2 [3] 周艳玲, 骆志平, 毕远杰, 等. 手套箱内粉末倾倒产生气溶胶的分布特性研究[J]. 中国辐射卫生,2021,30(2):148-153,164. DOI: 10.13491/j.issn.1004-714X.2021.02.006 Zhou YL, Luo ZP, Bi YJ, et al. Study on the distribution characteristics of aerosol produced by powder dumping in glove box[J]. Chin J Radiol Health, 2021, 30(2): 148-153,164. DOI: 10.13491/j.issn.1004-714X.2021.02.006 [4] 马跃峰, 战景明, 张坤, 等. 乏燃料后处理厂职业危害分析与评价[J]. 中国辐射卫生,2016,25(2):216-220 Ma YF, Zhan JM, Zhang K, et al. Analysis and evaluation of occupational hazards in spent fuel reprocessing plants[J]. Chin J Radiol Health, 2016, 25(2): 216-220 [5] 马新安, 陈功, 张莹, 等. 核射线防护服的研究进展[J]. 服装学报,2019,4(2):95-101. DOI: 10.3969/j.issn.1671-7147.2019.02.001 Ma XA, Chen G, Zhang Y, et al. Research progress in nuclear ray protective clothing[J]. J Clothing Res, 2019, 4(2): 95-101. DOI: 10.3969/j.issn.1671-7147.2019.02.001 [6] 高广伟, 张禄华. 煤矿井下移动救生舱的设计思路[J]. 中国安全生产科学技术,2009,5(4):162-164. DOI: 10.3969/j.issn.1673-193X.2009.04.035 Gao GW, Zhang LH. Design principles of movable coal mine refuge chamber[J]. J Saf Sci Technol, 2009, 5(4): 162-164. DOI: 10.3969/j.issn.1673-193X.2009.04.035 [7] 赵寅超, 任向红, 郎悦. 密闭空间空气保障系统研究进展[J]. 化工管理,2023(22):92-95. DOI: 10.19900/j.cnki.ISSN1008-4800.2023.22.025 Zhao YC, Ren XH, Lang Y. Overview of air support system in confined space[J]. Chem Enterp Manage, 2023(22): 92-95. DOI: 10.19900/j.cnki.ISSN1008-4800.2023.22.025 [8] 高静, 丁谦学, 梅其良, 等. 核辐射综合屏蔽材料研究进展[J]. 材料导报,2023,37(20):21120255. DOI: 10.11896/cldb.21120255 Gao J, Ding QX, Mei QL, et al. Research progress in nuclear radiation comprehensive shielding materials[J]. Mater Rep, 2023, 37(20): 21120255. DOI: 10.11896/cldb.21120255 [9] Botti L, Duraccio V, Gnoni MG, et al. An integrated holistic approach to health and safety in confined spaces[J]. J Loss Prev Process Ind, 2018, 55: 25-35. DOI: 10.1016/j.jlp.2018.05.013 [10] Parn EA, Edwards D, Riaz Z, et al. Engineering-out hazards: digitising the management working safety in confined spaces[J]. Facilities, 2019, 37(3/4): 196-215. DOI: 10.1108/F-03-2018-0039 [11] 陈元超, 杨侠, 王金山, 等. 不同送风工况下密闭空间内CO2浓度的数值模拟[J]. 机械工程与自动化,2023(1):73-75. DOI: 10.3969/j.issn.1672-6413.2023.01.024 Chen YC, Yang X, Wang JS, et al. Numerical simulation of CO2 concentration in confined space under different air supply conditions[J]. Mech Eng Autom, 2023(1): 73-75. DOI: 10.3969/j.issn.1672-6413.2023.01.024 [12] 刘浩哲. 船舶密闭空间多组分气体监控系统研究[D]. 北京: 北京化工大学, 2023. DOI: 10.26939/d.cnki.gbhgu.2022.000466. Liu HZ. Research on multi-component gas monitoring system in ship confined space[D]. Beijing: Beijing University of Chemical Technology, 2023. DOI: 10.26939/d.cnki.gbhgu.2022.000466. [13] 王钟伟, 张嘉琪, 王浩杰, 等. 密闭空间CO及CO2组合净化研究[J]. 煤炭技术,2019,38(10):124-126. DOI: 10.13301/j.cnki.ct.2019.10.041 Wang ZW, Zhang JQ, Wang HJ, et al. Purification of CO and CO2 in confined space[J]. Coal Technol, 2019, 38(10): 124-126. DOI: 10.13301/j.cnki.ct.2019.10.041 [14] Wu MJ, Liu K. Air purification in confined spaces[C]//Proceedings of the IOP Conference Series: Earth and Environmental Science. IOP Publishing, 2020: 032072. [15] Li J, Jin LZ, Wang S, et al. Analysis of efficiency influencing factor of using soda lime absorbing the carbon dioxide in confined space[J]. J China Coal Soc, 2013, 38(10): 1819-1824 [16] Anderson NJ, Cassidy PE, Janssen LL, et al. Peak inspiratory flows of adults exercising at light, moderate and heavy workloads[J]. J Int Soc Respir Prot, 2006, 23: 53-63 [17] 韩亚飞. 人体外骨骼机器人快中子屏蔽服研制[D]. 兰州: 兰州大学, 2021. DOI: 10.27204/d.cnki.glzhu.2021.000627. Han YF. Development of fast neutron shielding suit with human exoskeleton robot[D]. Lanzhou: Lanzhou University, 2021. DOI: 10.27204/d.cnki.glzhu.2021.000627.
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