Fire door manufacturers introduce the role of fire doors in fire fighting

We often see on the ground in some large or in some places that no people are allowed to stand under the fire facilities or there are shelves. Then, the most important use of the assembly of fire doors is that if a fire occurs in a certain location, then only this piece of rolling shutter door can be put down to block the extension of the fire.
Usually, the fire doors in such large buildings have an automatic central control system. Once a fire occurs, a series of behaviors may be implemented automatically, and the fire doors will automatically lower and separate the fire.
The following is the employment process of the automatic control system of the fire door. When a fire occurs, the smoke sensor installed on the roof initially receives the banner of smoke and gives an alarm to the control system of the center. After identification, the control system of the fire center turns on the power supply of the fire door in the fire alarm location area, so that the fire shutter in the fire area lands to the ground at the necessary rate.
When passing under the roller blind to a position approximately 1.5 meters above the ground, stop moving to facilitate the dispersal and evacuation of the staff present. After the related staff have retreated, the fire doors will continue to pass until they are closed. The rate of fire doors and the duration of stay can be reconciled by the number of employees.
It is not only this kind of places that are equipped with fire doors. In some stairwells and corridors, there will be such fire prevention actions. As fires are rarely generated and some fire prevention settings are well used, it is necessary for dedicated employees to carry out regular inspections.

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