1 Let’s get to know the UV lamp!
Ultraviolet lamps, also known as ultraviolet germicidal lamps and ultraviolet fluorescent lamps, are sterilized using the germicidal effect of ultraviolet light sterilization lamps. The use of such products for indoor disinfection is currently one of the common disinfection methods in public places. The wavelength of the UV lamp is 200-270nm, the sterilization center wavelength is 253.7nm, which is a short-wave ultraviolet light, this ultraviolet radiation mainly through radiation damage and destroy the nucleic acid function of microorganisms (bacteria, viruses, spores) to kill microorganisms and other pathogens), to achieve the purpose of disinfection.
Commonly used UV disinfection lamp specifications are 15W, 20W, 30W and 40W, using voltage of 220V, mainly used for sterilization of personnel, generally installed in the disinfection of locker rooms and laboratories. The bacteria and viruses carried on the clothes can be killed by the UV disinfection lamp for about 5 minutes. It can also be used to sterilize the air in laboratories and operating rooms, which require clean air, and the bacteria in the air can be killed in about 30 minutes.
Although the UV lamp disinfection sounds very simple and fast, if used improperly will also cause great harm to the human body. Because the ultraviolet ray is the enemy is not distinguished from me, all destroy the oh. So UV rays can be What damage to the human body?
Prolonged exposure to UV lamps can lead to serious skin pigmentation and skin roughness, as well as skin aging in some people, and may cause precancerous lesions such as skin cancer or cataracts if not treated in time. Therefore, it is important to avoid prolonged exposure to UV radiation.
In addition to this, it is important to understand that short exposure to ultraviolet light can also have a certain degree of impact on the body and can lead to electrophotographic ophthalmia.
After the appearance of this disease, patients often appear red eyes, dry eyes, watery eyes, and other symptoms, and in serious cases can also cause a certain degree of damage to vision. In general, 30 to 60 minutes of exposure to ultraviolet light can lead to photochromic uveitis, which is caused by the absorption of large amounts of ultraviolet light by the cells of the corneal epithelium and the conjunctiva of the eye.
How to further improve the prevention and control of the epidemic became the most concerned topic, and people began to try various disinfection methods to protect themselves from infection by the COVID-19. UV disinfection has become the preferred disinfection method for some units or individuals because of its simple use, the lack of frequent replacement, and moderate price. However, UV disinfection lamps, if used improperly, can even cause harm to us faster than viruses. Therefore, the following points should be noted in their use:
- When using the UV disinfection lamp, no one should be in the room; when operating the disinfection lamp be sure to wear protective glasses or sunglasses to avoid direct eye contact with the light source, wear long sleeves and long pants to avoid direct skin contact.
- UV disinfection lamps in schools and other public places should be installed in a safe and appropriate location to avoid children’s touch, and special control switches should be set up and controlled by a person to prevent misuse.