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火灾时卷帘门的是如何运行的?

来源:http://www.jnhsjlm.com 日期:2020-06-09 发布人:
火灾发生时防火卷帘门是如何运行的:
How does the fire shutter operate in case of fire
1.当火警发生时,防火卷帘门在消防控制系统的控制下,按预先设定的程序自动放下(下行),从而达到阻止火焰向其他范围蔓延的作用,为实施消防灭火争取宝贵的时间。
1. In case of fire, under the control of the central fire control system, the fire shutter will be automatically lowered (down) according to the preset procedure, so as to prevent the flame from spreading to other areas and strive for valuable time for the implementation of fire fighting.
2..当火灾发生时,安装在房顶的烟感传感器(简称烟感)接到烟雾信号,同时向控制系统报警,消防控制系统通过识别后接通火警所在区域的防火卷帘门电源,使火灾区域的防火卷帘按一定的速度下行。当卷帘下行到离地面约1.5米位置时,停止下行,以利于人员的疏散和撤离。防火卷帘门在中间停留一定时间后,再继续下行,直关闭。
2. In case of fire, the smoke sensor (smoke sensor for short) installed on the roof receives the smoke signal at first and gives an alarm to the central control system at the same time. The central control system of fire control connects the power supply of the fire shutter door in the fire area after identification, so that the fire shutter in the fire area can go down at a certain speed. When the roller shutter descends to a position about 1.5m from the ground, stop descending to facilitate the evacuation and evacuation of personnel. After the fire shutter door stays in the middle for a certain time, it can continue to descend until it is closed.

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