主管：中华人民共和国应急管理部
主办：应急管理部天津消防研究所
ISSN 1009-0029  CN 12-1311/TU
消防科学与技术

消防科学与技术 ›› 2021, Vol. 40 ›› Issue (9): 1364-1366.

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特殊应用喷头喷水强度均匀性试验研究

杨丙杰，王健强，范亚坤，米丽沛   

  1. 应急管理部天津消防研究所，天津 300381
  • 出版日期:2021-09-15 发布日期:2021-09-15
  • 作者简介:杨丙杰（1978-），男，安徽界首人，应急管理部天津消防研究所规范研究室副研究员，主要从事建筑灭火设施的应用技术研究和消防标准化工作，天津市南开区卫津南路110号，300381。

Experimental study on spray density uniformity of special application sprinkler

YANG Bing-jie, WANG Jian-qiang, FAN Ya-kun, MI Li-pei   

  1. Tianjin Fire Science and Technology Research Institute of MEM，Tianjin 300381，China
  • Online:2021-09-15 Published:2021-09-15

摘要： 为研究特殊应用喷头的洒水分布性能，在前期研制完成超大流量闭式洒水喷头（流量系数K≥400）的基础上，另外选取2种（K-161和K-363）类型的特殊应用喷头，在安装高度为22 m、喷水强度分别为32 L/（min?m2）和36 L/（min?m2）的情况下开展了3种喷头的洒水分布性能试验。结果显示，受喷头溅水盘结构形式和压力波动的影响，喷头的喷水强度偏离度随流量系数的增大而减小，而喷水强度均匀性受工作压力影响较大，工作压力越小，均匀性越好。

关键词: 消防, 特殊应用喷头, 喷水强度, 偏离度, 均匀性方差

Abstract: In order to study the sprinkler distrbution characteristics performance of special application sprinkler system in large-span space public buildings, based on the previous development of extra large orifice closed sprinkler（flow coefficient K≥ 400）, another two types of special application sprinkler（K-161 and K-363）were selected, and the tests of sprinkler distribution of three kinds of sprinkler were carried out under the condition of installation height of 22 m and spray density of 32 L/(min?m2) and 36 L/(min?m2) respectively. The results show under the influence of sprinkler water deflector and pressure fluctuation, the deviation of spray intensity decreases with the increase of flow coefficient, and the uniformity of spray intensity is greatly affected by the working pressure. The smaller the working pressure is, the better the uniformity is.

Key words: fire protection, special application sprinkler, spray density, deviation, homogeneity variance