Irradiation clarifying apparatus for purifying water, especially by agglomerating algae, having cleaning element for internal surface of housing for irradiation unit to improve performance

摘要

In an irradiation clarifying apparatus comprising a housing containing an irradiation unit (5) through which water to be clarified flows and a cleaning device for the external surface of the irradiation unit, the cleaning device additionally includes at least one element for cleaning at least part of the internal surface (2') of the housing.