Three Questions About ''ultraviolet Disinfection Lamp''

Ultraviolet lamp, also known as ultraviolet disinfection lamp, as the name suggests, is a device that can produce ultraviolet light, and its wavelength range is between 10 ~ 400nm.

Ultraviolet rays can be divided into UV-A, UV-B, UV-C and other types according to the length of wavelength, and the energy level gradually increases. Generally, UV-C band (100nm ~ 280nm) is used for disinfection and sterilization.

The sterilization efficiency of ultraviolet lamp can reach 99.9% ~ 99% compared with that of other mercury lamps. Its scientific principle is mainly to act on the DNA of microorganisms, destroy the DNA structure and make it lose the function of reproduction and self replication, so as to achieve the purpose of sterilization and disinfection.

Is ultraviolet disinfection lamp harmful to human body?

Ultraviolet sterilization has the advantages of colorless, tasteless and no chemicals left behind. However, if there are no protective measures when using it, it is very easy to cause great harm to human body.

For example, if the exposed skin is irradiated by this kind of ultraviolet lamp, the light person will have redness, swelling, itching and scaling; Severe cases may even cause canceration and skin tumors. At the same time, it is also the "invisible killer" of the eye, which will cause conjunctival and corneal inflammation, and long-term irradiation may lead to cataract. Ultraviolet rays can also destroy human skin cells and make the skin premature aging.

In recent extraordinary times, cases of damage caused by improper use of ultraviolet disinfection lamps have occurred frequently.

Therefore, if you buy an ultraviolet disinfection lamp, you must keep in mind when using it:

1. When using ultraviolet disinfection lamp, people, animals and plants must leave the site;

2. Do not stare at the ultraviolet disinfection lamp for a long time. Ultraviolet rays have certain damage to human skin and mucous membrane. When using ultraviolet disinfection lamp, pay attention to protection. Eyes * * cannot look directly at the ultraviolet light source, otherwise their eyes will be hurt;

3. When disinfecting articles with ultraviolet disinfection lamp, spread out or hang the articles, expand the irradiation surface, the effective distance is one meter, and irradiate for about 30 minutes;

4. When using ultraviolet disinfection lamp, the environment shall be kept clean, and there shall be no dust and water mist in the air. When the indoor temperature is lower than 20 ℃ or the relative humidity exceeds 50%, the irradiation time shall be extended. After scrubbing the ground, the ultraviolet lamp shall be disinfected after the ground is dry;

5. After using ultraviolet disinfection lamp, remember to ventilate for 30 minutes before entering the room.