建筑排烟系统各部位不同耐火标准的问题和建议
Problems and suggestions of different fire resistance standards for various parts of building smoke exhaust systems
摘要：
将建筑排烟系统划分为蓄烟设施和排烟设施，结合相关标准规范对各组成部位的耐火标准进行阐述和分类，列举耐火标准不一致性情况及可能出现的问题，并从建筑专业和暖通专业两方面提出耐火标准统一性的要求和做法。
关键词：建筑防排烟,蓄烟设施,排烟设施,挡烟垂壁,耐火极限,排烟系统
Abstract：
Divides the building smoke exhaust system into smoke storage facilities and smoke exhaust facilities. Combining with relevant specifications and standards, explains and classifies the fire resistance standards of each component, and lists the inconsistency of fire resistance standards and possible problems. Puts forward uniform requirements and practices of fire resistance standards from the two aspects of architecture and HVAC.
Keywords:building smoke protection and exhaust, smoke storage facility, smoke exhaust facility, draft curtain, fire resistance limit, smoke exhaust system