Feed dryer bed board provided with automatic cleaning and blowing device

The utility model provides a feed dryer bed board equipped with an automatic cleaning and blowing device, which relates to a feed dryer bed board and comprises a plurality of groups of bed board module units spliced and assembled in a closed ring shape and a cleaning and blowing device penetrating through the closed ring. The two ends of each bed board module unit are fixed to the sides of the two bed board driving chains and driven by the bed board chain wheels to conduct transmission, every two adjacent bed board module units are hinged through a pin shaft, the cleaning and blowing device comprises two cleaning and blowing pipes penetrating through the closed rings, and a plurality of nozzles are arranged and installed on the bottom sides of the cleaning and blowing pipes in the axial direction. The nozzles on the two groups of cleaning and blowing pipes are distributed in a staggered manner, the tail ends of the cleaning and blowing pipes are connected with pipe cap plugs, and the head ends of the cleaning