【 Weak current College 】 fire effects and settings of the lift span

General elevator, usually open in the aisle or the elevator Hall and does not have a fire, a fire at high temperature, or a power outage, or ignition, will certainly affect those who ride the elevator, or even take their lives, so that normal elevator available for firefighters put out the fire. Fire service lift is in building fires for fire-fighting and rescue personnel to use and has a certain feature of the elevator. Therefore, the fire service lift has higher fire safety requirements, the design is very important.
Fire resistance, in buildings for fire-fighting and rescue personnel to use and has a certain feature of the elevator. Therefore, the fire service lift has higher fire safety requirements, the design is very important.
Fire service lift is the high-rise building unique fire fighting facilities. High-rise building fires, fire fighters arrived quickly, high-rise fire to put out the fire and rescue of persons in distress. But normal elevator often lost in the fire, but firefighters from evacuation staircases begin, physical exertion, but also by evacuation personnel barrier. In order to firemen extinguish the Highrise to create the conditions that must be combined with high-rise building on the specific circumstances, reasonable to set fire lift.
Working elevators in fires often because power and does not prevent the use of pyrotechnics, and stop, so set it is necessary to fire the elevator, its main role is: for firefighters to carry fire-fighting equipment into Highrise or evacuating the sick and injured persons; avoid fire and evacuation personnel; in the evacuation of stairs "clash" delayed effect of fire-fighters,; prevent fire evacuation of persons through the stairs to climb a long time, consumption, physical strength is not enough, does not guarantee that rapidly into battle.
Fire service lift are usually equipped with a sophisticated fire-fighting capabilities: it should be a dual power supply, that is, if the building work lift power outage, fire service lift very power can automatically close, you can continue to run; it should have the emergency control function, that is, when the upstairs there is a fire, it can accept instructions, promptly return the first layer, and are no longer continue to accept passengers can only be used for fire fighters use; it should be in the top of the reserve a cabin emergency exit, in the event of failure of the door body lift, or by the evacuation here. For the main body of the tall buildings, the floor area of not more than 1500 square meters, you should set a fire service lift; more than 1500 square meters, square less than 4500, you should set the two fire lift; each floor area of more than 4500 square metres, three fire elevator should be set. Fire service lift of kin wells should be separately set, no other electrical pipes, water pipes, pipe or through ventilation ducts. Fire before the room should be equipped with an elevator, front room should be equipped with fire door with fire-proof function. Fire load of the lift is not less than 1000 kilograms, car plane dimensions should not be less than 1 m × 1.5 m, its role is to be able to carry larger fire apparatus and place the rescue of the stretcher, etc. Fire service lift of decoration materials, must be non-burning materials. Fire service lift power and control wiring should take measures, fire-proof elevator door should have diffuse slope waterproofing measures. They should fire the elevator car is equipped with private telephone, at the first floor also should have a dedicated control button. If these features are standard, so if the building in case of fire, the fire service lift can be used for fire safety. If you do not have these conditions, the elevator is not available for fire rescue, fire to take the elevator to be life-threatening.