1.Deep ultraviolet band disinfection sterilization effect is the strongest
UV disinfection is an ancient and proven method. The sun is the most primitive use of UV mites, disinfection and sterilization of the quilt.
The principle of UV disinfection sterilization is the use of high-energy ultraviolet light to break the DNA double helix chain, so as to achieve the inactivation of bacteria and viruses. To achieve effective disinfection by UVC requires certain requirements, attention should be paid to the wavelength, irradiation dose and time of the UVC light source, i.e., it must be a wavelength of 280nm below the UVC band of deep ultraviolet light for different bacteria and viruses to meet a certain irradiation dose and time, otherwise it cannot be inactivated.
UV light can also inactivate microorganisms. Homes can purify water by installing UV water purification systems, and air purifiers equipped with UV lamps can harmlessly treat bacteria floating in the air. Sewage treatment plants, food plants, breweries, beverage plants, etc. also use UVC lamp.
2.UVC germicidal lamps to be purchased on demand
UVC germicidal lamp can be divided into double-ended lamps, single-ended lamps and self-ballasted lamps according to the shape of the three categories, according to whether the type of ozone is divided into two types of ozone-containing and non-ozone-containing.
Try not to use ozone uv lamps in crowded places and indoors. Consumers in the purchase of UVC germicidal lamp, pay attention to the relationship between UV intensity and the size of the space. Usually, each cubic meter of space requires 1.5W of UVC germicidal lamp, users can choose the appropriate power size of the product according to the actual situation at home.
UVC germicidal light are usually used in places where bacteria can easily breed, such as kitchens, bathrooms and other dark and humid places, and can also be used in spaces with high environmental quality requirements, such as wards, operating rooms and other medical facilities. Nowadays, UVC germicidal light are also widely used in some electrical products, such as air purifiers, fresh air machines, clothing care machines and other indoor purification devices and clothing care disinfection devices.
It should be reminded that all UV lamps have a certain life span, and attention should be paid to timely replacement of the lamp when in use. The life of UV lamps is not less than 5000h, with an average life of 8000h, and high-performance products can reach more than 10,000 hours. Experts advise consumers to replace every 1-2 years and wipe the outer surface of the uv lamp with alcohol every two weeks to ensure the intensity of UV radiation.
3.Use of UVC germicidal lamps to master the skills
Due to the destructive effect of UV light on biological cells, when using UVC germicidal lamps, be careful not to directly irradiate the human skin, and do not directly look at the uv lamp with your eyes.
Under the premise of ensuring safety, how to use germicidal UV lamps scientifically and effectively?
To pay attention to the location of the placement, to create the best use of the environment, while paying attention to the length of use.
First, because ultraviolet light in the air penetration ability is very weak, it is difficult to achieve long-distance sterilization ability, so in use to try to be placed in the main germ removal location, such as the middle of the room, or easy to breed bacteria, 1.5m-2m from the surrounding appropriate.
Second, when using to pay attention to the impact of the use of environmental sterilization effect. Usually, the temperature between 27 ℃ to 40 ℃ between the maximum output strength of ultraviolet light, sterilization effect is the best, in addition to ensure the use of a clean and dry environment, a large amount of moisture and dust in the environment, will have interference and weakening effect on ultraviolet light, reducing the actual UV intensity. When used at home, try to close the doors and windows, draw the curtains, close the lights, to ensure that the room is in darker conditions, more conducive to the germicidal effect of ultraviolet light, for easy to breed bacteria and other microorganisms, such as bed quilt, you can expand the bed quilt, increasing the contact area, more conducive to the sterilization of ultraviolet light.
Third, the UVC germicidal lamp in use should ensure adequate UV irradiation time. Research shows that after 5 minutes of irradiation, for effective germicidal disinfection time, when it reaches 30 minutes, it can reach the daily disinfection effect, when the irradiation time reaches 60 minutes, it can kill the vast majority of bacteria and other microorganisms in the air.
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