There is no need to buy ultraviolet germicidal lamps at home. In the past, ultraviolet disinfection lamps were mainly used in laboratories, operating rooms and other places with strict requirements for clean air, and many manufacturers have successively introduced home versions, which are simple to operate and convenient to use.

The principle of ultraviolet disinfection is to use the central ultraviolet radiation band with a wavelength of 253.7nm (with strong bactericidal ability) to act on the DNA of microorganisms, destroy the DNA structure, and make them lose the functions of reproduction and self-replication, thus achieving the purpose of disinfection. Can be used for air and surface disinfection, with little risk compared with home.

Analysis on disinfection skills

1, air cleaning and disinfection method: If you want to keep the indoor air fresh, you must always open the window for ventilation, especially in rainy days. Open the window every time 15-30 minutes, let the air circulate, and let the germs out of the room.

2. Boiling disinfection method: boiling can denature the protein condensation of bacteria, and the disinfection time should be counted from the time when the water boils. /kloc-after 0/5-20 minutes, common germs, children's tableware and cooking utensils, such as milk bottles, chopsticks, spoons, gauze, towels, etc. Tableware and some children's toys used by patients every time can be disinfected in this way, and all disinfected items should be soaked in water.

3. steamer disinfection method: use steamer as disinfection tool. The disinfection time is calculated from the time when water boils and steam comes out, and the disinfection purpose can be achieved in 12-20 minutes. This method is suitable for disinfection of clothes and tableware, gauze piece for dressing wounds, etc.