1、Uses of UV Lamps
After the ultraviolet lamp is energized, it will generate ultraviolet rays with a wavelength of 253.7nm, which has a good killing effect on microorganisms. Widely used in water (bottled water, sewage, etc.), object surfaces, tableware and air disinfection in daily life.
2、Advantages of UV disinfection
Ultraviolet disinfection has the advantages of simple operation, economical and practical, no pollution and no damage to the surrounding environment and articles, and the disinfection effect is obvious.
3、Harmful effects of ultraviolet light on the human body
Ultraviolet rays can irritate the skin, mucous membranes and eyes and cause harm to the human body.
The health damage caused by short-term exposure is mainly electro-optic ophthalmia and skin burns. Prolonged exposure can cause skin pigmentation, rough skin thickening, cataracts, etc. In severe cases, it may cause skin tumors or cancer.
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4、Applicable scene
Ultraviolet lamps are good, but they are not free to use. Generally, it is suitable for some places with clear disinfection needs, such as medical institutions, schools, kindergartens, and catering industries. For example, the "Notice on Further Strengthening the Prevention and Control of Infectious Diseases and Food Safety Management in Schools" clearly stipulates that "canteens and health rooms should be equipped with ultraviolet lamps or mobile ultraviolet disinfection vehicles for indoor air disinfection and smooth surface disinfection." However, it is not recommended to be used in classrooms, activity rooms and other places in kindergartens and schools.
In this new crown pneumonia epidemic, many people use ultraviolet lamps to disinfect their homes. For families, it is not only unnecessary, but also has huge health risks, which should be avoided as much as possible. In February this year, a hospital in Dongguan admitted three patients for two consecutive days, all of which caused burns to the eyes and skin due to improper use of ultraviolet lamps at home.
