Machining pool

The utility model provides a machining pool which comprises a pool body, an umbrella-shaped plate, a first vertical pipe, a second vertical pipe and a rotating impeller are arranged in the pool body, the rotating impeller is connected with a power mechanism through a transmission shaft, the first vertical pipe is arranged in the second vertical pipe, and the umbrella-shaped plate is installed on the outer side of the first vertical pipe. The umbrella-shaped plate is matched with the first vertical pipe and the bottom of the tank body to form a first mixed reaction area, the first vertical pipe is matched with the top of the tank body to form a second mixed reaction area, the first vertical pipe, the second vertical pipe and the umbrella-shaped plate are matched to form a first channel and a second channel, and the second vertical pipe and the side wall of the tank body form a separation area and a backflow area; a water inlet pipe is arranged on the pond body corresponding to the backflow area, a water outlet