UNIT OF FIRE EXTINGUISHING WITH WATER CURTAIN Russian patent published in 2014 - IPC A62C31/02 B05B1/04 

FIELD: fire safety.

SUBSTANCE: in the unit of fire extinguishing with water curtain comprising a water supply source, a network of main and distribution pipelines with deluge heads, the control and signalling system comprises a control and signalling valve and a signalling device, such as in the form of an alarm horn, each of the deluge heads comprises a hollow housing with a nozzle and the central core, at that the housing is formed with a channel for supplying liquid and comprises a coaxial sleeve, rigidly connected to it, with a nozzle fixed to its lower part, formed with three radial channels, the annular cavity is connected to the housing channel for supplying liquid, at that the tapered socket in its lower part is rigidly attached to a connector in the form of the end circular plate with at least seven radial lobes which are bent towards the annular gap between the nozzle and the socket, and on the side surface of the socket there are at least two rows of cylindrical orifices with axes lying in planes perpendicular to the axis of the socket, and in each row there are at least three holes.

EFFECT: improving the efficiency of fire extinguishing due to introduction of high-speed elements in the overall chain of automatic fire extinguishing system.

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