喷头在灭火及冷却系统中的应用  

APPLICATION OF NOZZLE IN FIRE EXTINGUISHING AND COOLING SYSTEM

作　　者：于涛[1] 张力[1] 

机构地区：[1]中国石化工程建设有限公司,北京100101

出　　处：《石油化工安全环保技术》2012年第4期7-11,27,5,共7页Petrochemical Safety and Environmental Protection Technology

摘　　要：在自动喷水灭火系统、水喷雾灭火系统及水喷淋冷却系统中的终端元件均为喷头。喷头类型、参数的选择及喷头的布置对灭火或冷却效果有直接影响。在工程设计中针对不同的系统,应选择不同类型的喷头。就现阶段喷头的类型、特性、应用场所,以及在工程设计中喷头的参数选用、喷头布置的技术要求等,结合以往工程设计经验进行详细介绍。The terminal elements in sprinkler system,water spray extinguishing system and deluge cooling system are all nozzles.Selections of nozzle type and parameter and nozzle arrangement have direct effect on the results of fire extinguishing or cooling.For different systems in engineering design,different types of nozzles should be selected.Combining with previous engineering design experience,this paper introduces in detail the nozzle type,characteristics,application site,as well as nozzle parameter selection,and nozzle arrangement specifications in engineering design at present.

关 键 词：洒水喷头 水雾喷头 水幕喷头 响应时间指数 流量系数 雾化角 水幕展角 

分 类 号：TU892[建筑科学]