多孔聚丙烯复合材料的抑爆性能研究*

doi:10.16265/j.cnki.issn1003-3033.2021.08.013

中国安全科学学报 ›› 2021, Vol. 31 ›› Issue (8): 91-96.doi: 10.16265/j.cnki.issn1003-3033.2021.08.013

多孔聚丙烯复合材料的抑爆性能研究^*

袁必和¹ 副教授, 张玉铎¹, 员亚龙², 黄楚原¹, 陈先锋^**1 教授, 陈公轻¹

1 武汉理工大学安全科学与应急管理学院,湖北武汉 430070;
2 中国船舶重工集团公司第七一三研究所,河南郑州 450015

收稿日期:2021-05-17 修回日期:2021-07-10 出版日期:2021-08-28 发布日期:2022-02-28
通讯作者: ** 陈先锋(1975—),男,湖北应城人,博士,教授,主要从事安全工程方面的研究。E-mail:cxf618@whut.edu.cn。
作者简介:袁必和 (1988—),男,安徽庐江人,博士,副教授,主要从事于安全功能材料和防火防爆技术方面的研究。E-mail:yuanbh@whut.edu.cn。
基金资助:
国家重点研发计划项目(2017YFC0804705);国家自然科学基金资助(51774221,51703175);湖北省安全生产专项资金科技项目(KJ2X202007004)。

Study on explosion suppression performance of porous polypropylene

YUAN Bihe¹, ZHANG Yuduo¹, YUN Yalong², HUANG Chuyuan¹, CHEN Xianfeng¹, CHEN Gongqing¹

1 School of Safety Science and Emergency Management, Wuhan University of Technology, Wuhan Hubei 430070, China;
2 713^th Research Institute of China Shipbuilding Industry Corporation, Zhengzhou Henan 450015, China

Received:2021-05-17 Revised:2021-07-10 Online:2021-08-28 Published:2022-02-28

摘要/Abstract

摘要： 为分析填充多孔材料对管道中瓦斯爆炸压力的抑制效果,采用自主搭建的气体爆炸测试平台,试验研究多孔聚丙烯复合材料的内径、填充位置和填充长度等参数影响瓦斯爆炸压力的机制。结果表明:与空管道爆炸状态比较,填充多孔材料后最大爆炸压力、最大爆炸压力上升速率都明显降低;当填充多孔材料为实心,即内径为0 mm,填充在距离点火源最近处、填充长度为2 m时,管道末端最大爆炸压力值衰减69.64%,最大爆炸压力上升速率降低58.31%,对瓦斯爆炸压力的抑爆效果最佳;改变材料内径、填充位置和填充长度等因素均会对多孔材料的抑爆性能产生显著影响。

关键词: 多孔聚丙烯, 复合材料, 抑爆性能, 瓦斯爆炸, 最大爆炸压力

Abstract: In order to analyze suppression effect of porous materials on gas explosion pressure in pipelines, a self-built gas explosion test platform was used to investigate influencing mechanism of inner diameter, filling position, and filling length of porous polypropylene composite material on explosion pressure. The results show that compared with explosion of empty pipelines, maximum explosion pressure and maximum pressure rise rate are significantly decreased by filling such porous materials. When the material's inner diameter is 0 mm, namely it is solid, and it is put closest to fire source with a filling length of 2 m, it will show the optimal suppression effect, with the maximum explosion pressure value at the pipeline end being attenuated by 69.64%, and maximum rise rate reduced by 58.31%. Changes in inner diameter, filling position and filling length and other factors will all have a significant impact on explosion suppression performance of these materials.

Key words: porous polypropylene, composite, explosion suppression performance, gas explosion, maximum explosion pressure

中图分类号:

X932

袁必和, 张玉铎, 员亚龙, 黄楚原, 陈先锋, 陈公轻. 多孔聚丙烯复合材料的抑爆性能研究^*[J]. 中国安全科学学报, 2021, 31(8): 91-96.

YUAN Bihe, ZHANG Yuduo, YUN Yalong, HUANG Chuyuan, CHEN Xianfeng, CHEN Gongqing. Study on explosion suppression performance of porous polypropylene[J]. China Safety Science Journal, 2021, 31(8): 91-96.

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多孔聚丙烯复合材料的抑爆性能研究^*

Study on explosion suppression performance of porous polypropylene

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