COOLING TOWER SPRINKLER Russian patent published in 1999 - IPC

FIELD: heat and mass exchange processes between gas and liquid at direct contact; mechanical-draft and cooling towers. SUBSTANCE: cooling tower is made in form of module from layers of parallel perforated tubes; end sections of these tubes are not perforated; tubes are made from thermoplastic material and are welded together at points of contact. Cross section of end sections of tubes may be widened relative to cross section of perforated section of tube. EFFECT: smoothness of welding with no local lacks of penetration. 2 cl, 5 dwg