December 3, 2021
The company has developed an air heat pump dryer with a return air duct and a dehumidifying passage, which includes a cabinet for generating central convection air and a drying oven for placing materials on both sides of the cabinet, the oven is located at the middle part of the opposite side wall of the oven, and the drying oven is located at the upper and lower end of the opposite side wall of the oven The humidity of the air in the upper and lower side wall areas of the oven is correspondingly reduced by opening a dehumidifying passage for ventilation to the outside world, and the dehumidifying load in the cabinet is reduced by opening a return air slot, the convection air flows from the air outlet to the drying box and accumulates in the return air slot, forming a certain penetrating force. The materials at the upper and lower ends of the drying box are dried through the air outlet to improve the drying efficiency of the materials at the upper and lower ends.
