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[1]陈超,陈行,莫丽,等.储油罐风-火耦合热屈曲行为与防控技术数值模拟研究*[J].中国安全生产科学技术,2023,19(10):124-131.[doi:10.11731/j.issn.1673-193x.2023.10.017]
　CHEN Chao,CHEN Hang,MO Li,et al.Numerical simulation study on thermal buckling behavior of oil storage tanks exposed to wind-fire coupling environment and prevention and control measures[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2023,19(10):124-131.[doi:10.11731/j.issn.1673-193x.2023.10.017]
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储油罐风-火耦合热屈曲行为与防控技术数值模拟研究*
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
19
期数:
2023年10期
页码:
124-131
栏目:
职业安全卫生管理与技术
出版日期:
2023-10-31

文章信息/Info

Title:
Numerical simulation study on thermal buckling behavior of oil storage tanks exposed to wind-fire coupling environment and prevention and control measures
文章编号:
1673-193X(2023)-10-0124-08
作者:
陈超; 陈行; 莫丽; 李长俊
（1.重大危险源测控四川省重点实验室，四川 成都 610045；
2.西南石油大学 石油与天然气工程学院，四川 成都 610500；
3.中国安全生产科学研究院，北京 100012；
4.西南石油大学 机电工程学院，四川 成都 610500；
5.中航工业成都凯天电子股份有限公司，四川 成都 610091)
Author(s):
CHEN Chao;  CHEN Hang;  MO Li;  LI Changjun
(1.Sichuan Provincial Key Laboratory of Major Hazard Source Measurement and Control,Chengdu Sichuan 610045,China;
2.School of Petroleum Engineering,Southwest Petroleum University,Chengdu Sichuan 610500,China;
3.China Academy of Safety Science and Technology,Beijing 100012,China;
4.School of Mechatronic Engineering,Southwest Petroleum University,Chengdu Sichuan 610500,China;
5.AVIC Chengdu CAIC Electronics Co.,Ltd.,Chengdu Sichuan 610091,China)
关键词:
安全工程; 屈曲; 防控; 数值模拟
Keywords:
safety engineering;  buckling;  prevention and control;  numerical simulation
分类号:
X932
DOI:
10.11731/j.issn.1673-193x.2023.10.017
文献标志码:
A
摘要:
为探究大型立式钢制拱顶储罐在风-火耦合作用下的屈曲失效机理，进而制定切实可行的防控方案，采用Abaqus建立储罐的池火灾模型和风火耦合数值模拟模型，研究储罐的热屈曲行为与其防控方案对储罐结构热稳定性的影响。研究结果表明：热屈曲过程可划分为出现线性热膨胀的前屈曲和非线性变形的后屈曲阶段；后屈曲阶段的应力、应变呈波动变化，结构稳定性随时间的增长而降低，需要尽可能避免该情况的发生；储罐耐火时间随风速的增加而减小；通过增大壁厚、敷设防火涂层和设置加强圈等防控措施可有效增长耐火时间，推迟储罐热后屈曲行为的发生，有利于火灾抢险工作的进行。研究结果可为储油罐火灾防控方案的制定提供一定参考。
Abstract:
In order to explore the buckling failure mechanism of large vertical steel vault storage tanks under wind-fire coupling effect,and formulate the feasible prevention and control schemes,the pool fire model and wind-fire coupling numerical simulation model of storage tanks were established by Abaqus,and the thermal buckling behavior of storage tanks and the influence of protection schemes on the thermal stability of storage tank structures were studied.The results show that the thermal buckling process can be divided into the pre-buckling stage with linear thermal expansion and the post-buckling stage with nonlinear deformation.The stress and strain in the post-buckling stage fluctuate,and the structural stability decreases with the increase of time,which needs to be avoided as much as possible.The fire resistance time decreases with the increase of wind speed.By increasing the wall thickness,laying the fireproof coating and setting the reinforcing ring,the fire resistance time can be effectively increased,and the occurrence of the thermal post-buckling behavior of storage tank can be delayed,which is conducive to the fire rescue work.The research results can provide some reference for the formulation of fire prevention and control scheme of oil storage tanks.

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备注/Memo

备注/Memo:
收稿日期： 2023-05-30
* 基金项目： 重大危险源测控四川省重点实验室开放课题项目（KFKT-2022-03）；四川省科技计划项目(2023YFS0412)
作者简介： 陈超，博士，教授，主要研究方向为油气、新能源储运安全与韧性、火灾与爆炸理论、安全监检测技术及化工园区安全。
通信作者： 陈行，硕士，主要研究方向为石油与天然气装备。
更新日期/Last Update: 2023-11-06