|本期目录/Table of Contents|

[1]杨柳,郑斌,陈兵,等.酒库低压二氧化碳灭火系统灾后通风的实验研究*[J].中国安全生产科学技术,2025,21(10):147-155.[doi:10.11731/j.issn.1673-193x.2025.10.018]
 YANG Liu,ZHENG Bin,CHEN Bing,et al.Experimental study on post-fire ventilation of low-pressure carbon dioxide fire suppression system in a wine cellar[J].Journal of Safety Science and Technology,2025,21(10):147-155.[doi:10.11731/j.issn.1673-193x.2025.10.018]
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酒库低压二氧化碳灭火系统灾后通风的实验研究*

《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
21
期数:
2025年10期
页码:
147-155
栏目:
职业安全卫生管理与技术
出版日期:
2025-10-30

文章信息/Info

Title:
Experimental study on post-fire ventilation of low-pressure carbon dioxide fire suppression system in a wine cellar
文章编号:
1673-193X(2025)-10-0147-09
作者:
杨柳郑斌陈兵范韬
(1.中国消防救援学院,北京 102200;
2.中国安全生产科学研究院,北京 100012)
Author(s):
YANG Liu ZHENG Bin CHEN Bing FAN Tao
(1.China Fire and Rescue Institute,Beijing 102200,China;
2.China Academy of Safety Science and Technology,Beijing 100012,China)
关键词:
酒库二氧化碳灭火灾后通风扩散蔓延安全疏散
Keywords:
wine cellar carbon dioxide (CO2) fire suppression post-fire ventilation diffusion and spread safe evacuation
分类号:
X932
DOI:
10.11731/j.issn.1673-193x.2025.10.018
文献标志码:
A
摘要:
为研究陶坛酒库采用低压二氧化碳灭火后,灾后通风期间酒库防护区内部及周围区域的气体体积分数分布规律,利用不同尺度的二氧化碳灭火系统实验平台,对灾后通风过程进行实验研究。研究结果表明:换气次数和灭火时CO2总喷入量是影响灾后通风时间的主要因素;利用总喷入量Q和换气次数N,可估算将防护区气体体积分数降低至安全阈值(1.5%)所需要的通风时间。强制通风期间,排放的CO2会翻越护栏溢出并向下部楼层区域扩散蔓延,并会沿着风机轴向扩散,建议保持10 m的安全距离。研究结果可为灾后通风设计和二氧化碳灭火后的应急处置方案提供数据支撑和理论参考。
Abstract:
In order to investigate the distribution pattern of gas volume fraction inside the protected zone and in the surrounding area of a clay-pot wine cellar during post-fire ventilation following low-pressure carbon dioxide (CO2) fire suppression,different scale carbon dioxide fire suppression experimental platforms were employed to carry out experimental research on the post-fire ventilation process.The results indicate that the air change rate and the total CO2 injection volume during fire suppression are the main factors influencing the post-fire ventilation duration.By using the total injection volume Q and the air change rate N,the ventilation duration required to reduce the gas volume fraction in the protected zone to the safety threshold (1.5%) can be estimated.During mechanical ventilation,the discharged CO2 can overflow the guardrails,spread downward to the lower floor areas,and diffuse along the fan axial direction.Therefore,a safety distance of 10 m is recommended.The findings provide data support and theoretical reference for the design of post-fire ventilation and for emergency response plans after carbon dioxide fire suppression.

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备注/Memo

备注/Memo:
收稿日期: 2025-06-26
*基金项目: 国家重点研发计划项目(2023YFC3010202);贵州茅台酒股份有限公司科研项目(MTGF2023008)
作者简介: 杨柳,博士,讲师,主要研究方向为火灾烟气控制,建筑防排烟等。
通信作者: 郑斌,博士,副教授,主要研究方向为建筑火灾,化工消防安全等。
更新日期/Last Update: 2025-10-29