[1]许云骅,邹丽,丛北华,等.综合管廊常见自动灭火系统的效能实验及分析[J].中国给水排水,2024,40(15):115-122.
　XUYun-hua,ZOULi,CONGBei-hua,et al.Efficiency Testing and Analysis of Common Automatic Fire Extinguishing System in Utility Tunnel[J].China Water & Wastewater,2024,40(15):115-122.
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综合管廊常见自动灭火系统的效能实验及分析

中国给水排水[ISSN:1000-4062/CN:12-1073/TU] 卷: 第40卷 期数: 2024年第15期 页码: 115-122 栏目: 出版日期: 2024-08-01
Title:
Efficiency Testing and Analysis of Common Automatic Fire Extinguishing System in Utility Tunnel
作者:
许云骅1， 邹丽2， 丛北华3， 徐率先1， 张杨1， 王家华1， 朱浩川1
（1.上海市城市建设设计研究总院<集团>有限公司，上海 200125；2.上海同泰火安科技有限公司，上海 201703；3.同济大学 上海防灾救灾研究所，上海 200092）
Author(s):
XU　Yun-hua1， ZOU　Li2， CONG　Bei-hua3， XU　Shuai-xian1， ZHANG　Yang1， WANG　Jia-hua1， ZHU　Hao-chuan1
（1. Shanghai Urban Construction Design & Research Institute Co. Ltd.， Shanghai 200125， China； 2. Shanghai Tongtai Fire & Security Technology Co. Ltd.， Shanghai 201703，China； 3. Shanghai Institute of Disaster Prevention and Relief， Tongji University， Shanghai 200092， China）
关键词:
综合管廊;  干粉灭火系统;  高压细水雾灭火系统;  内部过载火源;  外部燃气火源
Keywords:
utility tunnel;  dry powder fire extinguishing system;  high-pressure water mist fire extinguishing system;  internal overload fire source;  external gas fire source
摘要:
综合管廊是城市生命线工程，对城市运维具有重要作用。根据现有规范要求，需要在含电缆的舱室内布置灭火系统。通过设计不同火源和实验工况，从性能、失能和安全性角度评价综合管廊常用的自动灭火系统（干粉灭火系统和高压细水雾灭火系统）。结果发现，两类灭火系统均能快速灭火，而高压细水雾灭火系统具有降温效果好、现场不留痕迹、全生命周期内成本低等优势，更适用于综合管廊。此外，由于电缆短路火灾时温度较低，为了提高火灾识别的敏感度，可以采用在管廊内设置感烟探测器、在电力电缆上敷设差定温线形感温电缆，以及降低干粉灭火装置动作温度等措施。
Abstract:
The utility tunnel serves as a crucial urban infrastructure project, playing a pivotal role in the operation and maintenance of the city. In accordance with the current regulations, it is imperative to install a fire extinguishing system in the cable-containing cabin. The performance, failure capacity and safety of the commonly employed automatic fire extinguishing systems (dry powder fire extinguishing system and high-pressure water mist fire extinguishing system) in utility tunnels were assessed under various experimental conditions involving different fire sources and operational scenarios. Both fire extinguishing systems were capable of rapidly extinguishing fires, but the high-pressure water mist fire extinguishing system offered the advantages of superior cooling effect, leaving no residue at the site, and lower overall life cycle costs, making it more suitable for utility tunnel. In addition, to enhance fire detection sensitivity in the event of a cable short-circuit fire at low temperatures, smoke detectors could be installed in the utility tunnel, and linear temperature sensing cables could be laid on the power cable. Additionally, measures such as reducing the operating temperature of the dry powder fire extinguishing device should be implemented.

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更新日期/Last Update: 2024-08-01