TRICKLING FILTER AND ROTARY SPRINKLER FOR A TRICKLING FILTER

摘要

What is described is a trickling filter and a rotary sprinkler for a trickling filter. The trickling filter is characterized in that the associated rotary sprinkler is provided with a mechanical cleaning device, arranged on the rotating rotary sprinkler arm, for removing moss, algae etc. from the surface of the trickling filter medium. The trickling filter also has a surface that is suitable for cleaning by the mechanical cleaning device. The associated rotary sprinkler is provided with such a mechanical cleaning device, which can comprise a brush or a scraper. The cleaning device is used to keep the surface of the trickling filter medium free from moss, algae, etc.