SU113834A1 - The method of obtaining highly dispersed aerated water and the device for implementing the method - Google Patents

Description

Known methods and devices for producing highly dispersed water, for example for extinguishing fires, are associated with a high consumption of water when it is sprayed.

The described method eliminates this disadvantage. It consists in the fact that water and air are mixed in the diverter barrel while simultaneously supplying water under a pressure of 1.5–2 KslcMr and air under a pressure of 5–6.

To implement this method, a device is used, consisting of a water tank and a pump-compressor unit, connected by rubber-zino-tissue hoses with a barrel-sprayer, made in the form of two tubes entering one another, from which the outside serves for the passage of water and the inside is for the passage of compressed air, each of which is provided with a nozzle with openings.

The pump-compressor unit can be installed on the vehicle, on which the tank for water supply is also installed. In this case, the vehicle allows to solve the problem of extinguishing relatively small fires without any additional mechanical means and water sources and with a small number of service personnel.

FIG. 1 shows a scheme for the supply of highly dispersed water into spray guns; in fig. 2- barrel-sprayer in longitudinal section; in fig. 3 nozzles.

A device for carrying out the proposed method consists of a pump-compressor unit 1 located on a motor vehicle equipped with a water tank, a main hose 2 for water and a main hose 3 for air, which by means of rubber-fabric sleeves (branches) 4, 5 to 6 are attached to the trunks of the nebulizers 7 and S. The nebulizer barrel consists of two tubes entering one another, of which outer 9 serves for the passage of water and inner 10 for the passage of compressed air, each of which is provided with nozzles L and 12.

Nozzles on the outer tube can be made removable in

as a hemispherical surface 13 with holes.

When the device is operating, at the same time water is supplied to the barrel spray at a pressure of 1.5–2 kg1 cm and compressed air at a pressure of 5–6 kg1 cm. As a result of this method of supplying water and air, an air outlet is ejected from the nozzle onto a mixture in the form of a jet, carrying in itself a mass of the smallest water cannel. Such a jet is introduced, for example, into the combustion zone, with the formation of significant quantities of water vapor and the temperature of the heated medium decreases sharply, as a result of which the burning of both liquid combustible substances and solid combustible materials ceases.

Subject invention

Claims (2)

1. A method of producing highly dispersed, aerated water by means of compressed air for extinguishing fires, characterized in that, in order to increase the fire-extinguishing efficiency of the jet and reduce water consumption, air and water are mixed in a barrel spray while simultaneously supplying water under a pressure of 1.5-2 KzlcMr and air pressure of 5-b kg / cm. 2. An apparatus for carrying out the method according to claim 1, consisting of water tanks installed on a motor vehicle and a pump-compressor unit connected by means of hoses to a spray barrel, characterized in that the spray barrel is made in the form of two that enter one another tubes equipped with removable nozzles with openings, of which the outer treading shaft serves for the passage of water, and the inside is for the passage of compressed air, moreover, the nozzles in the form of a cylinder with a convex working surface are used to obtain a jet of a narrowed beam radiation circular jet nozzles applied with half ball popoverhnostyu. -3 at FIG. 2, // ii2