Water hammer damage prevention device for high-fall drop well

The utility model relates to a water hammer damage preventing device for a high-fall drop well. The water hammer damage preventing device is installed on the drop well. Comprising an outdoor drainage pipe and a hush pipe, the outdoor drainage pipe extends into the drop well from the outside of the drop well and is provided with a drainage port, the hush pipe is installed in the drop well and is provided with a sewage collecting port, and the sewage collecting port right faces the drainage port. The water hammer damage prevention device is ingenious in structure, the outdoor water drainage pipe and the hush pipe are arranged, the outdoor water drainage pipe is provided with the water drainage opening, the hush pipe is provided with the sewage collection opening, and the sewage collection opening is right opposite to the water drainage opening, so that sewage is organized to be drained through the sewage drainage pipe and the hush pipe, and scouring of a water hammer to the well wall and the well bottom is redu