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[1]李涛,谢玮,苏紫敏,等.受限空间水幕隔热阻烟性能的试验研[J].中国安全生产科学技术,2016,12(12):154-159.[doi:10.11731/j.issn.1673-193x.2016.12.027]
　LI Tao,XIE Wei,SU Zimin,et al.Experimental research on performance of water curtain for heat insulation and smoke blockage in confined space[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2016,12(12):154-159.[doi:10.11731/j.issn.1673-193x.2016.12.027]
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受限空间水幕隔热阻烟性能的试验研
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
12
期数:
2016年12期
页码:
154-159
栏目:
现代职业安全卫生管理与技术
出版日期:
2016-12-30

文章信息/Info

Title:
Experimental research on performance of water curtain for heat insulation and smoke blockage in confined space
文章编号:
1673-193X(2016)-12-0154-06
作者:
李涛1; 谢玮1; 苏紫敏1; 李嘉钰1; 王飞2; 张玉春1; 苏永栋1
(1.西南交通大学 消防工程系，四川 成都 611756；2.安徽省交通规划设计研究总院股份有限公司，安徽 合肥 230088)
Author(s):
LI Tao1;  XIE Wei1;  SU Zimin1;  LI Jiayu1;  WANG Fei2;  ZHANG Yuchun1;  SU Yongdong1
(1. Department of Fire Protection Engineering, Southwest Jiaotong University, Chengdu Sichuan 611756, China; 2. Anhui Transport Consulting & Design Institute Co. Ltd., Hefei Anhui 230088, China)
关键词:
受限空间; 水幕; 防火分隔; 阻烟; 隔热效率
Keywords:
confined space;  water curtain;  fire separation;  smoke blockage;  heat insulation efficiency
分类号:
X932
DOI:
10.11731/j.issn.1673-193x.2016.12.027
文献标志码:
A
摘要:
为了研究消防水幕衰减火灾热辐射和阻隔火灾烟气蔓延的隔热阻烟特性，基于搭建的3 m× 3 m × 2.5 m（长×宽×高）小尺寸试验平台，开展大量实体火灾试验，研究水幕作用下空间温度分布特性以及烟气运动规律，并重点分析了喷头压力和喷头类型2种参数对水幕隔热阻烟性能的影响。结果表明：实施水幕分隔对火灾上层高温烟气具有明显的降温作用；实施水幕能够有效阻止火灾烟气的前期扩散；喷头压力越大，水幕的隔热效率越高，当喷头压力增大至0.6 MPa时，水幕的隔热效率可达70%以上；使用ZSTWC撞击式水雾喷头比ZSTM-AT式扇形水幕喷头更有利于形成均匀分布的水幕断面。
Abstract:
To study the characteristics of water curtain for thermal radiation attenuation and smoke expansion blockage in fire, the fire experiments were carried out based on the established 3 m×3 m×2.5 m small-sized test platform. The spatial temperature distribution characteristics and smoke movement rules under the effect of water curtain were studied, and the influence of nozzle pressure and nozzle type on the performance of water curtain for heat insulation and smoke blockage were analyzed with emphasis. The results showed that implementing water curtain has an obvious cooling effect on the upper layer smoke with high temperature, and it can prevent the spread of fire smoke in early stage effectively. The larger the nozzle pressure, the higher the heat insulation efficiency of water curtain. When the nozzle pressure increases to 0.6 MPa, the heat insulation efficiency of water curtain can reach above 70%. The ZSTWC percussive water spray nozzle is more beneficial to form the evenly distributed water curtain cross section compared with the ZSTM-AT fan-shaped nozzle.

参考文献/References:

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备注/Memo

备注/Memo:
国家自然科学基金项目(51578464);2016年大学生科研训练计划项目(2016016)
更新日期/Last Update: 2017-01-13