Ventilating duct device for garbage drying bin

The ventilation pipeline device for the garbage drying bin is reasonable in structural design and uniform in ventilation distribution, the bottom structure of the drying bin can be simple, and garbageleachate can be collected. The stainless steel air distribution pipe is installed on the air distribution pipe metal supporting frame, and an outlet of the stainless steel air distribution pipe is connected with the inlet end of the PVC long ventilation pipe. A manhole door is arranged on the stainless steel air distribution pipe; the PVC long ventilation pipe is installed on the ventilation pipemetal supporting frame. A plurality of PVC long ventilating pipes are arranged side by side; a plurality of vertically upward air outlets are formed in the length direction of the PVC long ventilation pipe; a V-shaped long steel bar is arranged above an air outlet of the PVC long ventilation pipe; the outlet end of each PVC long ventilation pipe is provided with a pipeline adapter, and the pipeline adapters on every two a