Pig manure organic fertilizer fermentation device and use method thereof

The invention discloses a pig manure organic fertilizer fermentation device and a use method thereof, and belongs to the technical field of organic fertilizer fermentation devices. The device comprises a shell, two sets of partition layering assemblies are sequentially fixed in the shell from top to bottom, and the interior of the shell is divided into a first cavity, a second cavity and a third cavity from top to bottom; the first cavity, the second cavity and the third cavity are formed in the shell, the feeding port is fixed to the upper portion of the shell, and the stirring assembly is input from the bottom of the shell and penetrates through the first cavity, the second cavity and the third cavity. The oxygen injection assembly is arranged in the stirring assembly; the temperature control assembly is arranged in the shell at the periphery of the first cavity and the second cavity; the air extracting pump is fixed to the outer wall of the shell and connected with the interior of the second cavity. The de