高层建筑加压送风系统正压值影响因素探讨

来源 :消防科学与技术 | 被引量 : 0次 | 上传用户:haibitian_lan
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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,可在消防系统施工和检测中注意避免和发现所涉及的问题.
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