连通容器单/双口泄爆压力特性研究

doi:10.16265/j.cnki.issn1003-3033.2018.08.008

中国安全科学学报 ›› 2018, Vol. 28 ›› Issue (8): 43-48.doi: 10.16265/j.cnki.issn1003-3033.2018.08.008

连通容器单/双口泄爆压力特性研究

张伟, 蒋军成^** 教授, 王志荣教授, 江凤伟

南京工业大学安全科学与工程学院,江苏南京 210009

收稿日期:2018-05-07 修回日期:2018-07-10 出版日期:2018-08-28 发布日期:2020-11-25
通讯作者: **蒋军成(1967—),男,江苏淮安人,博士,教授,主要从事化工过程安全研究。E-mail:jcjiang_njtech@163.com。
作者简介:张伟(1983—),男,江苏南京人,硕士研究生,主要从事安全生产事故统计分析、安全生产事故应急救援等方面的研究。E-mail:angjier@126.com。

Study on characteristics of pressure in linked vessels having single/double nozzle explosion venting facility

ZHANG Wei, JIANG Juncheng, WANG Zhirong, JIANG Fengwei

College of Safety Science and Engineering,Nanjing Tech University,Nanjing Jiangsu 210009,China

Received:2018-05-07 Revised:2018-07-10 Online:2018-08-28 Published:2020-11-25

摘要/Abstract

摘要： 为提高对工业生产中连通结构装置内爆炸事故的抑制及防护水平,开展实验室试验,研究2个球形容器及管道组合成的连通容器中甲烷-空气混合气体泄爆过程。通过改变该装置上2个泄爆口的开合状态,观察单口及双口泄爆时容器内部的压力变化。结果表明:对于连通结构装置内的爆炸,泄爆有一定防护效果;单口泄爆时,连通容器内会出现压力震荡现象;双口泄爆时,体积较小容器内的压力曲线会出现双波峰现象。此外,在相同泄压比情况下,泄爆面积增大,连通容器内压力会显著降低。

关键词: 连通容器, 单/双口泄爆, 压力震荡, 压力双波峰, 泄压比

Abstract: To improve the suppression and protection level of explosion accidents in connected structural devices in industrial production,laboratory experiments were carried out to study the methane-air mixed gas venting process in the connected containers of two spherical vessels and pipes.By changing the opening and closing state of the two venting ports on the device,the changes in pressure in the container during the explosion were observed.The results show that for the explosion in the connected structure device,the explosion venting facility has a certain protective effect,that when only one port works,pressure fluctuations may occur in the connected container and when the two ports work,the pressure curve in the smaller container will have a double peak phenomenon,and that in the case of the same pressure relief ratio,an increase in the venting area makes the pressure in the connected vessels decrease significantly.

Key words: linked vessels, single/double nozzles explosion venting, pressure oscillation, double pressure peaks, effective vent area

中图分类号:

X932

张伟, 蒋军成, 王志荣, 江凤伟. 连通容器单/双口泄爆压力特性研究[J]. 中国安全科学学报, 2018, 28(8): 43-48.

ZHANG Wei, JIANG Juncheng, WANG Zhirong, JIANG Fengwei. Study on characteristics of pressure in linked vessels having single/double nozzle explosion venting facility[J]. China Safety Science Journal, 2018, 28(8): 43-48.

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连通容器单/双口泄爆压力特性研究

Study on characteristics of pressure in linked vessels having single/double nozzle explosion venting facility

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