Radio frequency combined heat pump gas jet dryer and agricultural product drying method

The invention discloses a radio frequency combined heat pump gas jet dryer and an agricultural product drying method, and relates to the field of agricultural product processing. At present, green, energy-saving and efficient drying is an urgent demand for primary processing of agricultural products in producing areas; the system comprises a dehumidification unit, a radio frequency heating system, an air energy heat pump, a gas circulation jet flow unit, an automatic weighing unit and an automatic control system. The air energy heat pump is arranged on the outer side of the box body; an inner cavity of the box body comprises an upper cavity, a middle cavity, a lower cavity, a vertical air return duct located on one side and an air outlet duct communicated with the air return duct. According to the technical scheme, the dehumidification unit, the radio frequency heating system, the air energy heat pump and the gas circulation jet flow unit are integrated; the radio frequency heating system is assisted by hot a