谈NFPA 92有关加压楼梯间设计开启门数量的新规定
New regulations in NFPA 92 regarding number of doorsdesigned to open in pressurized stairwells
摘要：
简要回顾了楼梯间加压送风系统设计计算中开启门数量取值问题的由来,介绍了NFPA 92-2021有关加压楼梯间开启门数量的新规定及其出台背景。认为楼梯间加压送风技术已经发生了重大的突破和进展,有必要加以关注、系统研究和借鉴。
关键词：NFPA,92;加压楼梯间;加压送风系统;设计开启门数量;补偿;新规定
Abstract：
This paper briefly reviews the origin of the issue regarding the determination of the number of open doors in the design calculation of stairwell pressurization air supply systems. The new regulations of NFPA 92-2021 regarding the number of open doors in pressurized stairwells and the background of their formulation are presented. It is believed that significant breakthroughs and progress have been made in the stairwell pressurization air supply technology, which deserves attention, systematic research and reference.
Keywords:NFPA 92; pressurized stairwell; pressurization air supply system; number of doors designed to open; compensation; new regulation