Straw pretreatment stirring aeration device

The utility model relates to the technical field of straw pretreatment, in particular to a straw pretreatment stirring and aerating device which comprises a cement pool, a stirring mechanism and a smashing mechanism, the top end of the cement pool is connected with a top plate, a working box is installed on the top plate, and the stirring mechanism and the smashing mechanism are used for stirring and aerating materials. The fixing plate is fixedly connected with the side wall of the cement pool and fixedly connected with the top plate through a plurality of fixing rods, two matched crushing rollers are rotationally connected to the fixing plate, the top ends of the crushing rollers penetrate through the top plate and extend into the working box to be connected with working gears, the two working gears are meshed, and a motor is installed on the working box. The output end of the motor penetrates through the working box and is connected with a driving gear, and the driving gear is connected with one of the wor