Hot air circulation drying equipment

The utility model relates to the technical field of drying equipment, and discloses hot air circulation drying equipment which comprises a drying cavity, a fan assembly, a heating assembly and a recycling assembly. An air inlet of the fan assembly is connected with one end of the recovery assembly, and the other end of the recovery assembly is connected with the drying cavity; an air outlet of the fan assembly is connected with one end of the heating assembly, the other end of the heating assembly is connected with the drying cavity, and the fan assembly sucks hot air in the drying cavity into the heating assembly through the recovery assembly to be heated. The heating device has the beneficial effects of low energy consumption and high heating efficiency. 本申请涉及干燥设备技术领域，公开了一种热风循环干燥设备，包括干燥腔、风机组件、加热组件和回收组件，所述干燥腔用于放置待烘干的工件；所述风机组件的进风口和回收组件的一端连接，所述回收组件的另一端和所述干燥腔连接；所述风机组件的出风口和所述加热组件的一端连接，所述加热组件的另一端和所述干燥腔连接，所述风机组件通过所述回收组件将所述干燥腔内的热空气抽吸到所述加热组件中进行加热。本实用新型具有耗费能源少、加热效率高的有益效果。