ULTRAVIOLET IRRADIATION APPARATUS

摘要

According to an embodiment, an ultraviolet (UV) irradiation apparatus includes a treatment tank, a UV irradiation member, a UV sensor, and a sludge discharge unit. The sludge discharge unit, is connected to a discharge hole provided at a position lower than a horizontal plane passing through the UV sensor, and is provided to discharge, to outside of the treatment tank, through the discharge hole, sludge that accumulates inside the treatment tank when the treated water sasses through the inside of the treatment tank.

主权项

1. An ultraviolet (UV) irradiation apparatus comprising:
a treatment tank that comprises a water supply opening to supply therethrough treated water to be further treated and a water drainage opening to drain therethrough the treated water; a UV irradiation member that is provided inside the treatment tank and irradiates the treated water with UV light when the treated water passes through inside of the treatment tank; a UV sensor that is provided inside the treatment tank and measures a dose of UV irradiation from the UV irradiation member; and a sludge discharge unit that is connected to a discharge hole provided at a position lower than a horizontal plane passing through the UV sensor and that is provided to discharge, to outside of the treatment tank, through the discharge hole, sludge that accumulates inside the treatment tank when the treated water passes through the inside of the treatment tank.