SET FOR DRYING MATERIALS Russian patent published in 1996 - IPC

FIELD: woodworking industry and construction. SUBSTANCE: set has drying chamber and fan connected with it by means of suction and discharge air lines. Suction air line is additionally connected with chamber by means of additional air duct. Set is provided with refrigerating machine which consists of compressor, condenser, control valve and evaporator connected in series; evaporator and condenser are mounted in air duct in way of air flow. Provided in air duct in section between evaporator and condenser is port fitted with gate valve for supply of outside air. Set is also provided with heat exchanger which is made in form of vertical tube bundle and provided with inlet and outlet headers; it is mounted above evaporator and is connected with it forming circulating loop; evaporator is made in form of vertical tube bundle provided with inlet and outlet headers. Mounted in delivery air duct is electric heater; drying chamber is provided with port fitted with gate valve for discharge of air from it. EFFECT: enhanced efficiency. 3 cl, 1 dwg