Water volume adjusting device for raw water inlet pipe of settling tank

The utility model provides a water volume adjusting device for a raw water inlet pipe of a settling pond, a pipe orifice of the water inlet pipe is positioned on the pond wall of the settling pond, the adjusting device is arranged at the pipe orifice of the water inlet pipe, the adjusting device comprises an inner pipe, a middle pipe and an outer pipe, the inner pipe, the middle pipe and the outer pipe are fixed on a bottom plate from inside to outside, the inner pipe is aligned and communicated with the water inlet pipe, and the outer pipe is fixed on the bottom plate. The front end of the inner pipe is open, the front end of the middle pipe is closed, the length of the inner pipe is smaller than that of the middle pipe, a plurality of water passing openings distributed circumferentially are formed in the side wall of the rear section of the middle pipe, and a plurality of water outlets are formed in the side wall of the outer pipe. The device has the beneficial effects that raw water enters the inner pipe t