Fire doors
What the hell is it?
If you look at the name alone.
The three words "fire door" give people a full sense of security.
There seems to be this door.
In the event of a fire, there is no longer any fear.
April 15, 2022.
Wenzhou, Zhejiang. A house caught fire.
It is understood. The house that caught fire was a 6-story "suite" type residential rental house.
*The room is located on the third floor of the house.
Because there are fire doors to block the fire and smoke
The fire did not spread to the rest of the room
There are no makers
A door that is usually inconspicuous.
It can play a big role at critical moments.
So. Install regular and qualified fire doors and use them correctly
It can "protect life" in the event of a fire
Having said so much.
That now. Let's dive in.
Let's take a look at fire doors.
What is a fire door
Fire doors are meant for a certain period of timeDoors that meet fire stability, integrity and thermal insulation requirements。It isFireproof partitions with a certain degree of fire resistance, such as fire partitions, evacuation stairwells, and vertical shafts.
In addition to the function of ordinary doors, fire doors also have the effect of preventing the spread of fire and smoke diffusion, which can prevent the spread of fire within a certain period of time and ensure the evacuation of personnel.
Fire doors should be opened or closed
That's our common fire door.
Should it be closed or on?
As a matter of fact. The state of fire doors is divided into:
Normally closed and normally open
1. What is a normally open fire door?
Normally open fire door, that is, usually openOnly in the event of a fire will it be automatically shut down by the control systemIt is generally used in passages or corridors in public places.
2. What is a normally closed fire door?
Normally closed is our most common fire doorIt is closed under normal use and in the event of a fireIn this way, it plays a role in insulating smoke and fire and preventing the spread of fire.
Remember
Normally closed fire doors in stairwells must be closed
Highlight the point
The fire door is a door that can meet the requirements of fire resistance, integrity and thermal insulation performance within a certain period of time, which can prevent the spread of fire, prevent the spread of smoke, and buy time for the escape of personnel. But beware, fire doorsIt's really not a door that can't be burnedIf the burning time is long enough,Fire doors will also burn
Fire doors compared to ordinary doors.
It's just that it lasts longer.
It can protect people's lives for a certain period of time.
Fight for time to escape.
But if you are unfortunate enough to be on fire
It is not advisable to rely on fire doors to save lives
Escape opportunities should be actively sought
Fire doors are effective in preventing the spread of fire and smoke.
Buy time for people to escape.
In terms of protecting the lives and safety of the people.
plays an important role.
It is an indispensable firefighting facility in the building.
In order to better protect the fire door.
Here are a few things to do.
When entering and exiting, please push and pull the fire door by hand and do not kick it with your foot. Uncivilized use will cause the deformation of the fire door body and cannot play its normal role.
Do not open or lock normally closed fire doors for your own convenience.
Do not stack near fire doorsSundry.
4.When escaping from a fire, close the fire door behind you to slow down the spread of flames and smoke.