What should be paid attention to when designing fire doors

1. Assumptions fire-proof door The opening area is too large. In case of fire, due to the effect of wind pressure, stairs The operation of air supply system in the room will door The opening is not smooth enough, which is not conducive to rapid dispersion of people in the fire. Normally open fire doors mainly rely on electromagnetic release valves or magnetic force Door stopper 、 Door closer And the automatic control system to complete the self closing, which can automatically and quickly block in the event of a fire, playing a role in preventing the spread of fire and smoke dispersion. This design is not only conducive to the dispersion of personnel in the event of a fire, but also can prevent the damage caused by the frequent use of the door.
2. When designing the fire door of staircase and its antechamber with positive pressure air supply system, it shall be considered that the opening area of a single door matches the positive pressure air supply volume.
3. When designing the fire door of the front room of the sealed staircase and the smoke proof staircase without positive pressure air supply system, the distance between the door and the ceiling should be considered as far as possible not less than 500mm, so that in case of a fire accident, smoke can be effectively prevented from entering the staircase when people disperse, which can ensure the smoke prevention effect of the staircase. When designing the fire door in the building, The fire door shall be reasonably set according to the nature and type of the building and strictly in accordance with the requirements of the fire technical specifications, and the grade of the fire door shall not be arbitrarily lowered.
Linqu Longda Iron Door Processing Factory is a building door manufacturer and fire door manufacturer. It is engaged in the sale of basement doors in batches, and its products sell well all over the country, For more information, please log in http://www.lqfdm.com ！