Pneumatic stirring device

The invention provides a pneumatic stirring device. The pneumatic stirring device comprises an aeration tank, wherein a fine adjustment support is arranged above the aeration tank; the upper side of the fine adjustment support is fixedly connected with an air pipeline; one end of the air pipeline extends into the aeration tank; the other end of the air pipeline is connected with a soft air pipe; the soft air pipe is connected with an air power source; one end of the air pipeline in the aeration tank is connected with a hollow machining shaft; a machining part is arranged at the lower end of the machining shaft; the machining part is connected with the machining shaft through a bearing; the periphery of the machining part is connected with a plurality of aeration pipes which are uniformly distributed; an aeration head is arranged at one end, far away from the machining part, of each aeration pipe. The pneumatic stirring device provided by the invention is convenient to mount and use, has flexible and practical