EVAPORATIVE CONDENSER Russian patent published in 2001 - IPC

FIELD: refrigerating engineering; heat exchange apparatus of refrigerating machines and plants and other industries where condensation of working medium vapor is ensured at temperature close to surrounding temperature. SUBSTANCE: proposed condenser has housing where finned heat-exchange tubes and refrigerant vapor supply and condensate discharge collectors connected with finned tubes are arranged; besides that, the following components are arranged in housing: fan, water reservoir, pump, pipe lines for supply of water to heat-exchange tubes and to reservoir from external water supply source. Heat-exchange tubes are vertical; they are provided with horizontal fins with beads on upper surface over outer perimeter. Beads tightly lay to fins over contact line. Secured on both ends of beads directed towards fan are guides; their cross section has form of semi-ellipsoids whose lesser axes are equal to height of beads. Upper ends of tubes passed through fins lie below upper edge of beads and lower ends of these tubes lie below upper edge of beads of lower fins. Water supply pipe line is connected to pump at one end; other end of this pipe line is introduced below upper edge of bead of upper fin on heat-exchange tubes; lower of tube of lower fin is connected to pipe line whose other end is brought to water reservoir. EFFECT: enhanced efficiency of evaporative condenser; reduced power requirements for fan and pump; intensified heat transfer. 1 dwg