| 摘要 |
FIELD: heating. ^ SUBSTANCE: dryer casing is arranged in the form of vertical pipe open on top with blind bottom and ventilation openings downwards, above which in through screen sectional electric heater is fixed, for instance, heating coil, above which trays with meshed bottoms and solid side walls are installed one on another, at that bottom tray is partially immersed inside the casing. Heating, and also drying, are carried out with hot air flow, which is produced during electric heater operation due to natural draught in tubular design of dryer. ^ EFFECT: simplicity; reliability and small weight of dryer without discharge of toxic substances in process of operation and convenience in operation. ^ 3 cl, 3 dwg |
