Hot air processing line for betel nuts

The utility model relates to the technical field of processing equipment, and discloses a betel nut hot air processing line which comprises a frame body, a conveyor belt; the hot-air blower is arranged at the bottom of the frame body, and the hot-air blower comprises an air entraining assembly and a heat exchange assembly; the hot air pipe is arranged at the top of the frame body, the axis of the hot air pipe is parallel to the moving direction of the upper surface of the conveying belt, a plurality of air outlet nozzles are evenly arranged at the bottom of the hot air pipe in the axis direction of the hot air pipe, and the hot air pipe is communicated with an air outlet of an air heater. Through mutual cooperation of the conveying belt, the hot air blower and the hot air pipe, in the process that the conveying belt lifts and conveys the areca-nut materials, hot air heating treatment is conducted on the surfaces of the areca-nut materials so as to control the moisture content of the materials and the characte