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研究了正压送风系统的送风量和风压在防烟楼梯间及前室门开启和关闭的变化,以及在实际应用中的主要问题,并提出相应的解决办法,以更好的发挥机械正压送风系统在防烟楼梯间内的防烟作用。
The changes of air supply and air pressure in positive pressure air supply system on the opening and closing of smoke stairwell and front room door were studied, and the main problems in practical application were also discussed. Corresponding solutions were put forward to make better use of mechanical Positive pressure ventilation system in the smoke-free staircase in the role of smoke.