VENTILATION COOLING TOWER Russian patent published in 2014 - IPC F28C1/00 

FIELD: power engineering.

SUBSTANCE: ventilation cooling tower comprises a body, a spraying device, a tank for collection of liquid and a fan, the body comprises two parts - an upper part, comprising a spray nozzle and a drop separator, between which there is a header of the spray device with nozzles, and a lower part, in which there is a tank-water reservoir for collection of cooled water with a fan installed on it, besides, the body is made of thin-walled stainless steel, and in the tank-water reservoir there is a diffuser, which represents a part of the body and is connected to the fan, made with a plastic impeller and a multi-speed electric motor, making it possible during operation, depending on weather conditions, to change efficiency of the cooling tower due to variation of air flow, and the spray nozzle comprises tubular elements from thermoplastic material with a latticed wall folded in layers in parallel to each other, besides, at the ends the tubular elements are welded to each other, tubular elements are made with a triangular cross section, and between each layer of tubular elements across the tubular elements along their every end there is a strip from thermoplastic material, welded to tubular elements in places of their contact with the strip, besides, in process of welding they melt end sections of tubular elements and strips laid between them, and in process of melting they form monolithic end walls of the block, besides, the cavities of each tubular element and annular space are filled with hollow polymer balls, besides, the diameter of the balls is by 5÷10% more than the maximum size of the cell in the latticed wall of tubular elements. The body of the nozzle comprises two coaxial joined cylindrical bushings: a bushing of larger diameter and a bushing of smaller diameter, at the same time inside the bushing of smaller diameter, coaxially to it, there is an auger, rigidly connected to its inner surface, for instance, pressed in it, besides, the outer surface of the auger represents a helical groove, and inside the auger there is a hole with a helical thread, and in the bushing of the larger diameter, coaxially to it, there is a nozzle rigidly fixed in it, for instance, by means of a threaded connection, via a sealing gasket, at the same time inside the nozzle there is a cylindrical hole made coaxially, which changes into an axisymmetrically arranged diffuser, which is connected to a cylindrical chamber formed by the inner surface of the bushing of smaller diameter and the end surface of the auger, which is made of solid materials: tungsten, ruby, sapphire carbide.

EFFECT: increased efficiency of cooling tower operation.

2 cl, 5 dwg