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On the fire doors in the engine room of the importance and the daily management - fire doors, fire material - Fire Industry

Focus: The new law implemented   Corporate social responsibility, most major league of Fire

HC Fire Network Fire doors Is in a certain period of time to meet the fire resistance stability, integrity and insulation requirements of the gate, the main area for building fire firewall openings, stairwell entrances and exits, evacuation corridors, wellhead piping, etc., usually used for personnel access, in the event of Fire May serve to prevent flame spread and prevent combustion gas flow and air supply systems are sealed from the time when the role of the work. Boating industry, first used in fire doors in recent years, with the High-rise building The increase its importance in the engine room of the increasingly prominent is the room in one of the most important fire prevention measures. Recently the number of fires in crowded places, especially fire, precisely because of the evacuation channel exit fire doors or security problems caused by the Qunsiqunshang.

1, fire doors function classification

Marketing and rooms are used in fire door (1) from the materials can be divided into: steel fire door Wooden fire door, wooden fire door lined plate (to meet the security requirements of the entrance door). Class time is divided into from the fire (fire 72 minutes); B (54 minutes fire resistance); C (36 minutes fire resistance). (B) the open state divided into: Normally closed fire doors and fire doors always open. Normally closed fire door is mainly used in the engine room of evacuation channels, and unit managers usually require these fire doors can play a role in anti-theft security, the need for locked doors, emergency doors open to ensure that the direction to evacuate as evacuation channel. Fire doors have safety requirements push automation systems rely mainly on electromagnetic locks and control valve to achieve, pushing valve type electromagnetic lock will normally closed fire doors normally locked, with keys can access to meet security requirements, a fire can Fire Alarm Module automatically unlock, you can also fire duty room, and fire emergency buttons to manually unlock the door, open the door for the evacuation of the direction of the direction of escape to ensure that personnel evacuation, and a lock signal feedback to the duty room. A barrier of pyrotechnics to open fire door control system often depends mainly on smoking and controller to achieve magnetic, magnetic door smoking, usually will often open fire doors suck, the normal flow of logistics to access, fire alarm module can automatically break open the door suction , can also fire duty room and the emergency fire door magnetic door button or smoke, fire doors under the action of the door closer, automatic door closed to cut off fireworks, and closed the signal feedback to the duty room.

Fire doors internal filling material are: rock wool, ceramic fiber cotton, perlite, calcium silicate fireproof boards. The main components are fire doors and smoke section (compartment smoke effects), door closer (to keep the door closed, if used often played when the fire broke open the door quickly closed doors of the role), cis-bit device (in order The role of double-door closed doors); conventional accessories are fire lock, putting locks, hinges, Fire Glass And so on.

2, fire doors using the status quo

Currently there are more than 1,000 enterprises producing and selling fire doors, the market has reached saturation capacity, so to some extent some of the manufacturers to take a vicious price cuts to win market share, led to a decline in product quality and more even are filled with honeycomb paper alternative fire protection materials, fire resistance is far lower than the national standard, since 2006 the State began a severe fire doors market crackdown, which to some extent, to maintain the market order and improve product quality, but the situation is still not optimistic, cheap low-quality form of dumping have occurred too, while extensive use of fire doors from the large-scale residential district (thousands of door frames) to industrial plants, shopping malls, entertainment (a few door frames and doors), ranging to the fire department fire inspection work and daily management of the tremendous pressure.

3, the daily management of fire doors

(1) View room use and installation of fire doors grade positions whether "building design" Fire Safety Code requirements. Such as a firewall to open the doors must be fire doors should be graded; attached to the engine room fire control room, fixed Fire extinguishing system Equipment rooms, fire pump rooms and ventilation air-conditioning machine set up partitions on the door as B fire doors, high-level factory (warehouse), crowded places of public buildings, personnel-intensive multi-set C plant closed staircase When the door leading to stairwell fire doors should be for the B; cable wells, tube wells, smoke, air vent, garbage Road tube wells and other vertical wall on the opening of the inspection door for Class C fire doors.

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