高层建筑加压送风系统正压值影响因素探讨  

Discussion on factors influencing barotropic value of the pressurized system in high rise buildings

作　　者：田桂花[1] 张鸣辰[1] 

机构地区：[1]公安部天津消防研究所,天津300381

出　　处：《消防科学与技术》2004年第6期533-534,共2页Fire Science and Technology

摘　　要：分析了高层建筑机械加压送风余压的影响因素 ,包括风机选型不当、剪刀楼梯间送风口设置不合理、正压送风系统未设楼梯间压差调节装置、超过 32层的高层建筑未分段设置送风系统、前室送风口的开启控制不合理、前室送风口关闭不严密、防烟楼梯间送风口选型不合理、送风竖井的有效截面积被占用、加压送风竖井表面粗糙、防烟楼梯间、前室防火门门的缝隙过大等方面 ,分析了产生上述现象的原因 。Factors influencing the remained pressure in mechanical pressurized system of high-rise buildings have been analyzed.These factors include the unmatched blower type,unreasonable opening of scissor like stairway,pressurized system without installing differential pressure coordination equipment,no section air supply system in high-rise buildings over 32 floors,unreasonable on-off control of the air supply opening in anteroom and the untight air supply opening in anteroom etc..The above-mentioned problems can be avoided and found during the construction and testing of the fire protection system.

关 键 词：送风口 高层建筑 加压送风系统 防烟楼梯间 机械加压 正压送风系统 防火门 竖井 余压 调节装置 

分 类 号：TU834[建筑科学—供热、供燃气、通风及空调工程] TU972.4