SU1189458A1 - Fire-fighting system - Google Patents

Description

The invention relates to fire fighting equipment and can be. used for volumetric extinguishing of fire in sealed rooms. five

The purpose of the invention is to increase the efficiency of extinguishing a fire.

FIG. 1 shows a diagram of a fire extinguishing system; Fig.2 atomizer and nozzle of the gas manifold, the section.

The fire extinguishing system contains tanks 1 and 2 for the extinguishing fluid and gas, connected to each other by pipeline 3 via an air reducer 4. Capacity 1 for the extinguishing fluid contains a liquid collector 5 with vertically placed sprayers 6, and the collector 5 is in communication with capacity 1 of pressure pipe 7 with a shut-off valve 8. With a capacity of 2 for gas is connected a gas manifold 9 with nozzles 10. Each nozzle 10 is a gas manifold 9.

placed coaxially with the corresponding vertical spray 6 and has channels 11, made in its wall and directed at an angle to the longitudinal axis of the sprayer 6. thirty

The channels can be directed at right angles to the longitudinal axis of the sprayer. Gas manifold 9 is equipped with a gear 12 installed between the tank 2 and the nozzles 10. $$

Capacity 2 has a shut-off valve 13. The system has an alarm device 14; connected through the node 15 control with the valve 13 and the shut-off valve 8.

The system works as follows.

When a fire alarm signal 14 is given by a fire control unit 15, the shut-off valve 13 and the shut-off valve 8 open in series or manually. The inert gas from it-. the bones 2 through the pipeline 3 through the air reducer 4 enters the tank 1 for the fire extinguishing fluid, and also through the reducer 12 into the base manifold 9 with nozzles 10. From the tank 1 the fluid in the discharge pipeline 7 through the open shut-off valve 8 is forced out by compressed gas into the liquid manifold 5 and vertically placed sprayers

6. Due to the fact that the nozzles 10 of the gas collector 9 have channels 11, made in its wall, directed at an angle to the longitudinal axis of the nozzles 6, and the nozzles 6 are placed vertically.

The jets of fire extinguishing liquid and gas collide at an angle and in the volume of the protected area a uniformly distributed fine gas-liquid aerosol is formed.

The aerosol formed in the volume of the room increases the heat capacity of the environment of the room and when it reaches 170-210 kJ / K per mole of room oxygen, the fire is eliminated, which increases the efficiency of fire extinguishing.

In addition, the consumption of inert gas. When using the proposed system is sharply reduced, as the gas is used only to provide additional spray jet fire extinguishing fluid at the outlet of the sprayer, which reduces the weight and size characteristics of the fire extinguishing system.

VNIKNI

Claims (2)

1. FIRE EXTINGUISHING SYSTEM containing containers for extinguishing liquid and gas, interconnected by a pipeline, and. liquid manifold with vertically placed nozzles, communicated by pressure pipe with fire extinguishing tank, different in order to increase the efficiency of extinguishing, it has a gas collector with nozzles. connected to a gas tank, each nozzle of the gas collector being coaxial with the corresponding vertical atomizer and has channels made in its side wall and directed at an angle to the longitudinal sprayer axles. 2. System by π. 1., characterized in that the channels of each nozzle are directed at a right angle to the axis of a vertically placed sprayer. 1189458