Ultraviolet sterilizer (also known as ultraviolet sterilizer, ultraviolet water purifier, ultraviolet Water treatment equipment , UV water purifier Ultraviolet sterilization equipment , UV sterilizer, etc.) Overflow ultraviolet sterilizer Pipe type ultraviolet sterilizer, and the other is the ultraviolet sterilizer, which is a new water disinfection technology developed in the world after more than three decades of research and gradually industrialized in the late 1990s. Ultraviolet disinfection uses the ultraviolet spectrum with a wavelength of 225~275nm and a peak of 254nm to destroy the nucleic acids (DNA and RNA) of microbial pathogens, so as to prevent them from synthesizing proteins and cell division. Microbial pathogens cannot replicate or inherit and die. Ultraviolet sterilizer can sterilize fresh water, sea water, all kinds of sewage, as well as all kinds of high risk pathogenic wastewater. Ultraviolet sterilizer is a high-tech water disinfection product with high disinfection efficiency, wide application field and low operation cost in the world.