FIRE FIGHTING INSTALLATION Russian patent published in 2012 - IPC A62C35/00 

FIELD: fire fighting.

SUBSTANCE: device comprises a container for extinguishing agent equipped with a device for making a gas-liquid mixture in the form of a conical mixing chamber with a tangential inlet at the top, through a flexible hose of high pressure, working gas - nitrogen or CO₂, to the starting cylinder which is located next to the container for extinguishing agent, equipped with shut-off- trigger device of an electric thermo-mechanical starter. Gas supply is perforated through a conical perforated spiral with a coefficient of perforation, lying in the range of 50-80%, and the gas-liquid mixture into the central pipeline is supplied from the bottom of the chamber connected to the device of discharge of the extinguishing agent, combined with a safety valve. The vertical socket of the chamber through the T-socket is connected to the device of flow of extinguishing agent and the pressure indicator, and to ensure the supply of gas-liquid mixture of optimal concentrations to all irrigation systems, each node of the distribution network comprises a distribution device of the gas-liquid mixture of cell-type or a standard T-socket. Each irrigator is equipped with an orientation device in one or two planes and consists of a body within which the screw is pressed, and the outer surface of the screw is at least a single-start helical groove with the right or left thread.

EFFECT: increased operating speed of fire suppression system and efficiency of spraying gas-liquid mixture.

2 dwg