FIELD: fire safety.
SUBSTANCE: in the walls of the building the cavities-ducts are made, connected to the compressed air receiver, connected to the compressor. In the areas of the greatest risk of fire breaking out the windows with sealed lids are made in the cavities-ducts. Each window with a sealed lid has a container with the fire extinguishing agent, equipped with a siphon tube and an air nozzle. Near each window a temperature sensor is mounted, giving signals to the fire extinguishing control. On the temperature sensor signal using the reversing electromagnetic valve the lid of this window is opened. The pulse valve is opened, designed for creating repeated short-time pulses of pressure in the air nozzle of the window in the area of occurrence of the most intense fire. The flame is knocked down from the burning objects and covered with dispersed portions of the fire extinguishing agent.
EFFECT: increased efficiency and rapidness of fire extinguishing.
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