A fire elevator is an elevator with certain functions for firefighters to extinguish and rescue when a fire occurs in a building. Because ordinary elevators are often stopped in use due to power failures and unprotected fireworks when a fire occurs, it is necessary to set up a fire-fighting elevator. Its main function is to provide firefighters with fire-fighting equipment to enter the upper floors to extinguish the fire; to rescue the injured or the elderly Sick and handicapped persons; to avoid "collision" between firefighters and evacuees on the evacuation stairs, which not only delays the extinguishing of fighter planes, but also affects the evacuation of personnel; prevents firefighters from climbing the stairs for a long time, consumes a lot of time, does not have enough physical strength, and cannot guarantee rapid investment fighting.
Key points:
1) Dual-circuit power supply: When the working power supply is interrupted, the emergency power supply can be automatically switched on to ensure that the fire elevator continues to run;
2) Emergency control function: when a fire occurs upstairs, accept instructions and return to the first floor in time, no longer accept passengers, only for firefighters;
3) Emergency evacuation exit: An emergency evacuation exit is reserved on the top of the car. If the elevator door opening mechanism fails, you can evacuate here;
4) At least one fire elevator should be installed in each fire compartment;
5) The solid well should be set up separately, and no other electrical pipes, water pipes, air pipes or ventilation pipes should pass through;
6) The front room should be provided with a fire door to make it have fire and smoke prevention functions;
7) The load capacity should not be less than 1000 kg, and the plane size of the car should not be less than 1m×1.5m. Its function is to be able to carry large fire-fighting appliances and place life-saving stretchers, etc.;
8) The decoration materials in the elevator must be non-combustible building materials;
9) Waterproof measures should be taken for the power and control wires, and the doorway of the fire elevator should be equipped with flooding waterproof measures;
10) There should be a dedicated telephone in the car, and a dedicated control button on the first floor;
11) There is a special sump, and a lift pump is used to discharge the water to the outdoors in case of fire.
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