Cooling bin in production line for processing poultry manure into organic fertilizer particles

The utility model discloses a cooling bin in a production line for processing poultry guano into organic fertilizer particles, which comprises a cooling box, a feeding pipe is vertically inserted in the center of the top of the cooling box, a feeding funnel is arranged at the top of the feeding pipe, an air cooler is arranged on the surface of one side of the cooling box, the inside of the air cooler is communicated with the inside of the cooling box, and the air cooler is communicated with the inside of the cooling box. A U-shaped frame is arranged in the center of the inner wall of the top of the cooling box, a second rotating shaft is vertically and rotatably inserted in the center of the U-shaped frame, a centrifugal dispersion assembly is arranged at the top of the second rotating shaft, and a driving assembly for controlling the second rotating shaft to rotate is connected to the bottom of the second rotating shaft. The centrifugal dispersing assembly and the driving assembly are used in cooperation, th