Novel ultralight pneumatic double-layer stirrer

The utility model discloses a novel ultralight pneumatic double-layer stirrer, which comprises a lower stirring barrel, an upper stirring barrel, a power device and a stirring shaft, the lower stirring barrel is connected with the upper stirring barrel through a rigid connecting rod, the stirring shaft is arranged in the lower stirring barrel and the upper stirring barrel, the power device is a pneumatic motor, and the stirring shaft is arranged in the upper stirring barrel. The pneumatic motor is connected with a compressed air source through a high-pressure air pipe; the bottom of the lower stirring barrel is in a funnel shape, the slurry discharging ball valve is arranged in the center of the bottom of the funnel-shaped lower stirring barrel, and the slurry discharging ball valve is communicated with a slurry suction pipe of the high-pressure grouting pump. The pneumatic motor is used for replacing a motor for braking, compressed air is fully utilized, safety risks are reduced, the weight of equipment is r