Ultraviolet disinfection usually uses ultraviolet rays with a wavelength of 253.7nm, which is installed at a height of 1.8m ~ 2m from the ground, and the sterilization effect is better within the irradiation range of 1.5~2 m around.

Number of lamps and lanterns: According to the third edition of Technical Specification for Disinfection (Hospital Disinfection Specification) issued by the Ministry of Health, the installation number of indoor hanging ultraviolet disinfection lamps (30W ultraviolet lamps, with radiation intensity higher than 70μW/cm2 at vertical position 1m) should be no less than 1.5W per cubic meter on average, and it should be evenly distributed, with the hoisting height from the ground1.

Scope of application:

1, seawater and fresh water seedling (fish, eel, shrimp, shellfish, etc. ) Disinfect with water.

2, food processing industry water disinfection, including fruit juice, milk, drinks, beer, edible oil and all kinds of canned food, cold drinks and other water equipment.

3, hospitals, all kinds of laboratory water disinfection and high pathogenic content of wastewater disinfection.

4. Disinfection of domestic water, including residential quarters, office buildings, waterworks and hotel restaurants.

5, biochemical pharmaceutical, cosmetics production with cooling water disinfection.

6, swimming pool, water recreation facilities with water disinfection.