POTABLE FIRE-EXTINGUISHING PLANT Russian patent published in 2013 - IPC A62C15/00 

FIELD: fire-prevention facilities.

SUBSTANCE: invention relates to portable fire-extinguishing facilities and may be used in knapsack fire-extinguishing plants. The portable fire-extinguishing plant comprises a reservoir for storage of a fire-extinguishing substance, a balloon with gas, a gas pressure control facility, a barrel with a sprayer and a trigger mechanism, valves of liquid and gas supply, a facility to control spraying of the fire-extinguishing substance and pipelines. Pipelines connected the reservoir and the balloon with valves of fluid and gas supply. The barrel is equipped with a chamber for mixing of liquid and gas. The sprayer is made with a central channel and a row of peripheral channels. Peripheral channels are arranged around the central channel. The facility of fire-extinguishing substance spraying control includes two controlled valves. The first of which is installed on the pipeline, which connects the balloon with the gas supply valve. The second controlled valve is arranged between the chamber of gas and liquid mixing and output holes of the peripheral channels of the sprayer. The second controlled valve is made as capable of opening and closing of a throughput section of peripheral channels of the sprayer.

EFFECT: plant design makes it possible to change modes of fire-extinguishing substance spraying by means of alternate switching between single-phase and double-phase mode of sprayed flow generation.

17 cl, 7 dwg