Patent ID: 7410534

Claim:
An air purifier for industrial plants comprising an ultraviolet (UV) cleaner having a duct casing being hollow and having a cavity defined in the duct casing; an air inlet communicating with the cavity; and an air outlet communicating with the cavity; multiple UV generators mounted in the cavity in the duct casing and generating two types of UV when in operation, and one type of the UV having a wavelength in an extent from 160 to 300 nanometer (nm), and the other type of the UV having a wavelength in an extent from 220 to 300 nm; and an air pump connected to the air outlet and generating an outward air suction force through the air outlet, and a water cleaner connected to the UV cleaner and having a duct casing connected to the duct casing of the UV cleaner and having a cavity defined in the duct casing of the water cleaner; an air inlet communicating with the cavity in the duct casing of the water cleaner; and an air outlet communicating with the cavity in the duct casing of the water cleaner; multiple sprinkling tubes mounted in the cavity in the dust casing of the water cleaner and each sprinkling tube having multiple nozzles defined in the sprinkling tube; an inlet hose mounted in the duct casing of the water cleaner and communicating with the cavity of the duct casing; and an outlet hose mounted in the duct casing of the water cleaner and communicating with the cavity of the duct casing.