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[1]姚小林.卡源故障下悬挂链式辐照室火灾危险性研究[J].中国安全生产科学技术,2017,13(4):148-152.[doi:10.11731/j.issn.1673-193x.2017.04.024]
　YAO Xiaolin.Study on fire risk of irradiation room with hanging chain conveyor under the fault of stuck radioactive sources[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2017,13(4):148-152.[doi:10.11731/j.issn.1673-193x.2017.04.024]
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卡源故障下悬挂链式辐照室火灾危险性研究
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
13
期数:
2017年4期
页码:
148-152
栏目:
现代职业安全卫生管理与技术
出版日期:
2017-04-30

文章信息/Info

Title:
Study on fire risk of irradiation room with hanging chain conveyor under the fault of stuck radioactive sources
文章编号:
1673-193X(2017)-04-0148-05
作者:
姚小林1; 2
1.西南交通大学 地球科学与环境工程学院，四川 成都 610031；2.泸州职业技术学院，四川 泸州 646000
Author(s):
YAO Xiaolin1; 2
1.Faculty of Geosciences and Environmental Engineering, Southwest Jiaotong University, Chengdu Sichuan 610031, China;2.Luzhou Vacational and Technical College, Luzhou Sichuan 646000, China
关键词:
辐照室; 卡源; 火灾危险性; FDS
Keywords:
irradiation room;  stuck radioactive sources;  fire risk;  FDS
分类号:
TU545;X946
DOI:
10.11731/j.issn.1673-193x.2017.04.024
文献标志码:
A
摘要:
为了分析悬挂链式辐照室的火灾危险性，采用实验测定得出室内典型辐照物品的点着温度，通过设置3组火灾场景模拟得到卡源故障下各火灾场景辐照室内温度变化曲线。结果表明：各火灾场景卡源初期1 h，温度上升速度较快。随着时间的增长，室内温度不断上升，但上升速率逐渐放缓。在火灾场景A，B，C等3组条件下卡源故障分别发生9，4，2.4 d后，室内局部温度能达到210℃，室内辐照物品有可能被引燃。
Abstract:
To analyze the fire risk of irradiation room with hanging chain conveyor, the ignition temperatures of typical radiation cargos in the irradiation room were measured through the experiment, and the variation curves of temperature in the irradiation room under the fault of stuck radioactive sources in each fire scenario were obtained through the simulation by setting three fire scenarios. The results showed that the temperature rises rapidly within 1 hour in the initial stage of stuck radioactive sources under each fire scenario. The temperature in the irradiation room rises continually with the growth of time, but the rising rate slows down gradually. The local temperature in the irradiation room can reach 210 ℃ when the fault of stuck radioactive sources occurs for 9 days, 4 days and 2.4 days respectively in three fire scenarios A, B and C, so the radiation cargos in the irradiation room may be ignited.

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备注/Memo

备注/Memo:
泸州职业技术学院基金项目
更新日期/Last Update: 2017-05-11