▎ 摘　　要

NOVELTY - The utility model belongs to the technical field of air processing system, relating to a heat recycling device, comprising a supporting frame with a plurality of ventilation opening, the supporting frame is provided with a heat recycling inner core, the heat recycling inner core is composed of several inner core units sequentially laminated, the inner core unit comprises a diamond frame and a graphene heat exchange membrane connected in the frame, the graphene heat exchange membrane of the same inner core interval is set, the graphene heat exchange membrane of all inner core unit forms a staggered honeycomb structure. The heat recovery device of the utility model does not generate condensed water, not wet and mildew, without replacing, but also with high efficiency of heat recovery efficiency.