Cleaning device for rain overflow tank; has at least one rinsing tank that can be filled with rinsing medium and can be emptied from above tank base into rain overflow tank to clean tank base

摘要

The cleaning device has at least one rinsing tank (2) that can be filled with rinsing medium and can be emptied from a height above the tank base into the rain overflow tank (1) to clean the tank base. The cleaning device has an opening between the rinsing tank and the rain overflow tank and a seal (3), to open or close the opening. The cleaning device may be a concrete construction with a square construction.