安全、健康和环境2025，Vol.25Issue(11)：1-11,11.DOI:10.3969/j.issn.1672-7932.2025.11.001
聚烯烃粉尘燃爆机制及模型研究综述
Review on Explosion Mechanism and Model of Polyolefin Dust
摘要
Abstract
Polyolefins are important polymer materials.However,in industrial production,their dust can cause explosions under specific operating or environmental conditions,seriously threatening workshop safety and personnel lives.Based on the above issues,this article systematically reviews the explosion mechanism,influ-encing factors,and prevention measures of polyolefin dust and gas-dust mixtures.Firstly,the explosion charac-teristics of polyolefin dust and its coupling relationship with the explosion mechanism of flammable gases were introduced.The action laws of parameters such as particle size and concentration of polyolefin dust on explosion pressure,explosion index,minimum ignition energy,minimum ignition temperature,and minimum explosion concentration were clarified.Secondly,the action mechanisms of commonly used explosion suppressants such as Al(OH)3,CaCO3,and NaHCO3 were summarized,as well as their effects on reducing reactive radical concen-trations and suppressing combustion through heat absorption and dilution.Thirdly,sort out the existing predic-tion and assessment models for dust explosions.Finally,the shortcomings and future directions of the research on polyolefin dust explosions are prospected,including the study of microscopic reaction mechanisms,the devel-opment of composite explosion suppressants,and the construction of multi-scale prediction models.This review facilitates a deeper understanding of the fundamental laws of polyolefin dust explosions and provides a reference for enhancing industrial safety and formulating scientific protective measures.关键词
聚烯烃/粉尘爆炸/抑爆/可燃气体/模型研究Key words
polyolefin/dust explosion/explosion suppression/combustible gas/model study分类
资源环境引用本文复制引用
陈瑶,张智琛,朱云峰,石孝刚,孙冰,徐伟..聚烯烃粉尘燃爆机制及模型研究综述[J].安全、健康和环境,2025,25(11):1-11,11.基金项目
"十四五"国家重点研发计划(2024YFC3082600),超高压聚合体系失控致灾机制. （2024YFC3082600）
