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防火卷帘门在火灾来时间及产生的作用
2018-4-13 15:05:18
首先,防火卷帘门是大洞口或大区域共享空间防火防烟必要的产品,是一般平开防火门所不能取代的。现在国内厂家所能提供的尺寸宽度和高度均可达到15m,它平时可隐蔽在天花吊顶内,与温感、烟感探测器相匹配,可达到烟感信号来临时,门降至距地面1.8米,使区域形成烟雾堵槽,防止烟雾向其他分区扩散。
First, the fire shutter door is a necessary product for fire prevention and smoke control in large opening or large area shared space, which is not replaced by general open fire doors. Now the domestic manufacturers can provide the size and height of the width and height can reach 15m, it can be hidden in the ceiling ceiling, and the temperature sense, smoke detector match, can reach the smoke signal coming, the door to 1.8 meters away from the ground, make the area to form a smoke plugging slot, prevent the smoke from other areas to spread.
当温度信号来临时,确认灾情后门体将降至地面,切断火源,同时发出声光报警,指导人员迅速疏散。如灾区仍有未及时疏散的人员,该门仍可以由门两侧的按钮将其提升到距地面1.8米的高度,在人逃生后门将延时关闭,防止火烟外窜。
When the temperature signal is coming, after confirming the disaster, the door will fall to the ground, cut off the fire source, and send out the sound and light alarm, and instruct the personnel to evacuate quickly. If the disaster area still has not evacuated in time, the door can still be lifted from the buttons on both sides of the door to the height of 1.8 meters from the ground, and the back door will be delayed to prevent the smoke from running outside.
防火卷帘防火性能和耐火时间上的分级尚无国家标准,GB14102《钢质防火卷帘通用技术条件》中将
There is no national standard for fireproofing performance and classification of fireproof curtain. GB14102, general specification for steel fire shutter will be included.

普通钢质防火卷帘分为:

Ordinary steel fire curtains are divided into:
1级,耐火时间1.50h
1 stage, fire time 1.50h
F2级,耐火时间2.0h
F2 grade, fire resistance time 2.0h
复合型钢质防火卷帘分为:
The composite steel fire proofing rolls are divided into:
F3级,耐火时间2.50h
F3 grade, fire resistance time 2.50h
F4级,耐火时间3.00h
F4 grade, fire resistance time 3.00h
另外,针对防火卷帘门无电源的情况下不能发挥作用的问题,有关单位已开发了一种在无电或切断电源的情况下靠温度熔断打开减速离合器,使防火卷帘门靠自重匀速关闭,隔离火情的“防火卷帘门熔断释放放置”,使防火卷帘门能在无电、无人的情况下仍能起到应有的作用。
In addition, in view of the problem that the fire shutter door can not play a role in the case of no power supply, the relevant units have developed a kind of temperature fusing to open the deceleration clutch under the condition of no electricity or cut off the power supply, so that the fire curtain door is closed at a constant weight at a constant weight, and the "fire roll curtain door is released and placed" in isolation to make the fire proof roll. Curtain doors can still play a proper role in the absence of electricity and no one.
防火门一般用在安全出口的位置上,防火门上安装有闭门器,当发生火灾时行人冲开防火门后,防火门会自动关闭,起到隔断火势。
The fire door is usually used in the position of safety exit, and the door is installed with closed door. When the fire door breaks through the fire door, the fire door will automatically shut down and start the partition fire.
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