When the ultraviolet sterilizer is working normally, the bacteria - containing water enters the cavity and is irradiated by the ultraviolet germicidal lamp. Ultraviolet disinfection uses the ultraviolet light spectrum with a wavelength range of 225 - 275nm and a peak value of 254nm to damage the nucleic acids (DNA and RNA) of microbial pathogens. This prevents them from synthesizing proteins and undergoing cell division. As a result, the microbial pathogens cannot replicate or inherit genetic information and die, thus achieving the purpose of sterilization.
So, what are the requirements for ultraviolet sterilizers? Jiangsu Peide, a sterilizer manufacturer, will introduce them.
1. It should meet the requirements of sterilization efficiency. The lamp tube should be selected according to the size of the treated water volume.
2. It should meet the sterilization requirements. The outer surface of the quartz tube needs to be kept clean, and it is necessary to regularly wipe the outer surface of the quartz tube with alcohol cotton balls or gauze. The water temperature should be between 5℃ and 60℃, and the turbidity should not exceed 5 degrees. If these requirements are exceeded, the sterilization effect will decline rapidly. At lower temperatures, the sterilizer needs to be customized, and generally, the sterilization power needs to be increased to ensure the sterilization effect. To meet the sterilization effect, there are also high requirements for the quartz sleeve. The hydroxyl content of the quartz sleeve should be within 3 PPM. The higher the ultraviolet transmittance, the better the sterilization effect. Therefore, the ultraviolet transmittance of the quartz sleeve is very important. However, currently, many manufacturers in the market do not understand the key points and use ordinary glass tubes to replace high-quality quartz sleeves. They are very cheap, but the ultraviolet sterilization effect is not satisfactory.
3. It should meet the sterilization requirements. There are certain requirements for the treatment of the inner surface of the cavity. The inner surface should be smooth without dead corners, which is also very important for the ultraviolet sterilization effect. If there are dead corners, the ultraviolet light cannot irradiate them, and bacteria are likely to breed. Therefore, if the arrangement of the ultraviolet lamps, the selection of the quartz sleeves, the selection of the lamp tubes, and the treatment of the inner surface of the cavity are all reasonably selected, you will be a master of sterilizers!
Jiangsu Peide Water Treatment Equipment Co., Ltd., which manufactures ultraviolet sterilizers, has been devoted to the research and development of physical scale removal equipment for hot water systems and circulating water systems since 2004. As a renowned brand supplier of physical scale removal equipment for water systems, we welcome you to call for consultation.
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