KOU Dian liang,YUAN Jian ping,CHEN Xue mei.Application of High-pressure Water Mist Fire Extinguishing System in Utility Tunnel[J].China Water & Wastewater,2018,34(20):72-75.
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Application of High-pressure Water Mist Fire Extinguishing System in Utility Tunnel

China Water & Wastewater[ISSN:1000-4062/CN:12-1073/TU] volume: 第34卷 Number: 20 Page: 72-75 Column: Date of publication: 2018-10-18
Article number:
1000-4602(2018)20-0072-04
Author(s):
KOU Dian liang1; YUAN Jian ping2; CHEN Xue mei1
(1. Guangxi Communications Design Group Co. Ltd., Nanning 530029, China; 2. School of Civil Engineering, Wuhan University, Wuhan 430072, China)
Keywords:
highpressure water mist fire extinguishing system; utility tunnel; automatic fire extinguishing system
CLC:
TU892
Document code:
C
Abstract:
According to the current technical specification for water mist fire extinguishing system, the number of open protection zones is no more than 3 and the volume of single protection zone is no more than 3 000 m3 in open type system. However due to the narrow and special spatial structure of the utility tunnel, these requirements are not conductive to the application of high pressure water mist fire extinguishing system in utility tunnel. The high pressure water mist fire extinguishing system was used in the design of the utility tunnel on the South and North side of Yudong Road in Nanning. Based on local standards of Chongqing City and archives industry standards, there are some improvements in the design process: ①canceling limitation of 3 enclosures;②controlling the volume of a single protective area no more than 3 000 m3; ③determining the area of controlled valve in single section as 120-150 m2. The optimized design made investment more economical and it was more in line with the characteristics of fire extinguishing in the utility tunnel.

References:

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Memo

作者简介：寇殿良（1982-），男，吉林安图人，硕士，高级工程师，从事市政给排水工程设计工作。
E-mail:26482129@qq.com
收稿日期：2018-06-12

Last Update: 2018-10-17