PLANT FOR FIRE FIGHTING WITH WATER MIST Russian patent published in 2013 - IPC A62C35/02 

FIELD: fire-prevention facilities.

SUBSTANCE: invention relates to a plant for fire fighting with water mist. The plant for fire fighting with water mist comprises the container with fire extinguishing liquid, the container with the working gas, the lock-start gear, the supply pipeline, the siphon tube, the unit for forming a gas-liquid mixture. The unit for forming a gas-liquid mixture is made in the form of an adapter to the gas chamber. In the adapter the gas chamber, the inlet chamber, the mixing chamber, and the outlet chamber are located. The mixing chamber is coupled with the outlet chamber; the mixing chamber is coupled with the gas chamber through the first oblique opening. The unit for forming a gas-liquid mixture is hermetically fastened in the throat of the container with fire extinguishing liquid. The gas chamber is connected through the gas hose to the container with working gas. The output chamber is connected to the input end of the supply pipeline. The sprinkler head comprises a hollow housing with a nozzle and a central core. The housing is made with a channel for the liquid supply and comprises a sleeve rigidly connected to it. In the lower part of the sleeve a nozzle in the form of a cylindrical two-stage sleeve is made. The upper stage is connected to the central core with the thread. The core consists of a cylindrical part and a hollow cone which is mounted with the annular gap relative to the inner surface of the cylindrical sleeve. The annular cavity is connected to the channel of the housing for liquid supply. In the lower part of the cone the spraying equipment is attached, which is made in the form of a front circular plate. On the side surface of the cone the rows of orifices are made.

EFFECT: reducing the consumption of the initial fire extinguishers.

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