【 Weak current College 】 how to address the fire door installation problems?

Fire doors is the high-rise buildings, consumers place an indispensable security door, fireproof door installation there have been a number of issues, building a big, small, high, low, use properties are different, so some of the buildings according to the national regulatory requirements must take fire separated measures. Such as a firewall, fire doors, fire shutter, fire drencher belt level fire compartmentation widget. The opening of the cave on the firewall must be set on fire doors. The high-rise building construction and large-scale construction standing have closed stair staircase and smoke, smoke staircases and closed the door of the stairwell fire doors in most uses, fire door in the fire has played an important role, but the Fire Department from normal daily inspection, fire works acceptance, often find that the fire doors in the installation process, there exist many problems that cannot be resolved, it is likely that the fire doors installation useless, not really play a role. To do this, I just fire door installation problems and solutions for a brief analysis.

First, fire door installation problems

1. open the direction does not meet the requirements, not the direction to the evacuation.
2 fire resistance and fire doors do not meet the requirements, the design requirements should pack grade-a fire door and install a class b or class c fire door fire doors.
3. less charging or did not install a door closer, based in the channel and stairwell fire doors are required to install the door closer, if there is no door closer is not normally closed.
4, small installation hardware accessories. According to the size of the fire door, a large fire doors have a fan is installed 3 only hinge, Pack 2 only, Pack 1 only hinge, single-page has 4 screw holes only 2 screws, reduces fixed strength.
5, Raphe, both sides of the same, separated, yitong smoke, not to separate the effects of fire.
6, ground distance is too great, by the distance from the Earth within the door should be controlled at 6-8mm range, while fire doors up to 30-40mm.
7. door provisions 1.5-2.5mm, while up to 5mm.
8, steel frames should fill cement mortar or rock wool, the installation is complete, the inside is blank.
9, fire doors shall not swing doors used, and some deliberately changed to swing door, even on a fireproof glass door self-made shake, does not meet the requirements, but also to separate the effects of fire.
10, fire door side or fire door above the hole is not blocking.

For fire doors in the installation problems, how to make the installation of fire door play, do the following links:

1, should be based as far as building categories and use properties to determine fire partitions. Industrial buildings and warehouses, residential buildings and underground building fire partitions have different area's request, in accordance with the nature of the actual use of the building. As a class of high-rise buildings, a fire partitions to 1000m2, two types of building construction for 1500m2, underground, for common building 500m2 1-2-level industrial building for 2500m2, based on the production category and the stored goods classification to determine the size, in the "jiangui", that is why some buildings must set fire doors.
2, according to the workplace requirements, determine the types of fire doors
(1), according to the fire resistance is divided into a, b, c three grades, class a fire resistance time 1.2 hours, class b fire resistance time 0.9 hours, class c fire resistance time 0.6 hours.
(2), according to the use of materials, fire doors are steel fire doors, wooden fire doors, fire doors and wood mixed.
(3), in the form of the door leaf can be divided into the side-hinged fire doors (wood door), flat with fireproof glass door, door, glass door decoration.
(4), the installation forms: single sector-hung fire doors, double doors hinged door (Raphe are high or low joints, Raphe are off fire door sealing strip and: Suzhou Industrial Park, GlaxoSmithKline pharmaceutical co., Ltd. is the gate), the side door (Suzhou Industrial Park, L'Oreal cosmetics co., Ltd.), electric fire doors (Suzhou Industrial Park, Suzhou New Epson co., Ltd.).
3, the functional requirements under the fire doors, make the right choice
(1), fire prevention Division of the firewall and independent use of the room and the use of more fire-resistant doors, such as fire control centre, pump room and generator room were in use, and distribution room class a fire door.
(2), staircase, the former rooms etc use class b fire doors.
(3), pipes and cables well used class c fire doors.
4, according to the technical requirements for the correct installation of fire doors
(1), the door frame, door leaf can be installed by the manufacturer or by the construction units installed by the manufacturer is responsible for on-site guidance and correction, doors, door frames and Assembly should be vertical, horizontal and founder.
(2), door frame, door leaf installation should pay attention to the direction of opening, the door must be opened to the evacuation of the direction.
(3), steel frames, boxes and wooden box installation can be carried out according to the drawings, you can make good embedded parts.
(4) wooden fire doors and steel doors installation remain joint width should perform.
Fire door in a certain period of time, together with a framework to meet the stability, integrity and insulation requirements. In addition, the role of ordinary door, you have to stop the spread of fire and smoke diffusion of special features. Therefore, the correct installation of fire doors, fire building once, will be able to effectively bring the fire under control in a certain range, reducing fire losses, evacuation, fire extinguishing and create favourable conditions.