The long-term harm of ultraviolet disinfection to human body is mainly the damage to body membrane (including various organs, tissues and cell membranes), which makes the heart function decline. The elastic fibers in oxidized tissues make the protein molecules in the fibers hard or lose elasticity, thus making the skin wrinkle, blood vessels lose elasticity, arteriosclerosis, bone collagen fibers hard, bones brittle and prone to fracture.

The elastic fibers between alveoli lose elasticity, causing emphysema and so on. Over time, it will promote the body to age ahead of time and shorten life expectancy. It is obvious that the consequences are serious.

Extended data:

Precautions:

1. No one can be present when ultraviolet rays are used for disinfection, so as to avoid direct ultraviolet rays from hurting people's eyes and skin. If you need to work under ultraviolet light, you should strengthen personal protection and wear protective glasses.

2. Pay attention to the ultraviolet intensity of the ultraviolet disinfection lamp: ultraviolet rays are invisible to the naked eye, and the blue light emitted by the lamp tube does not represent the ultraviolet intensity. Therefore, the radiation illuminance value of the lamp tube should be detected regularly, and whether the ultraviolet lamp has reached its service life can be judged by using the ultraviolet illuminance meter or the special indicator card for measuring the ultraviolet intensity during the calibration period. If the irradiation intensity is lower than 70μW/cm2, it should be replaced in time.

3. Keep the surface of the ultraviolet lamp clean during use: wipe it with alcohol gauze once every Monday and Thursday, and wipe it at any time when dust and oil stains are found on the surface of the lamp.

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