Water lubricated oil-free screw air compressors, with the advantages of zero oil pollution and clean gas supply, are widely used in industries such as food, medicine, and electronics that require strict air source quality. However, during long-term operation of the equipment, impurities and scale are easily generated in the circulating water circuit, which can affect the overall operating efficiency of the machine and increase the maintenance burden on users. This is a pain point and problem that needs to be solved in the industry. In response to the pain points in this industry, the ORMD R&D team has been deeply involved in technological breakthroughs. After repeated experimentation and optimization, they have successfully developed a water lubricated oil-free screw air compressor technology with water filtration and self-cleaning functions. This patented technology integrates water quality filtration and automatic cleaning structure, which can continuously purify circulating lubricating water bodies, automatically clean water impurities, effectively reduce scale accumulation, reduce filter replacement frequency, reduce equipment failure probability, extend the service life of the whole machine, effectively reduce customer operation and maintenance costs, improve the stability of continuous operation of the unit, and better benefit industrial users from a technical perspective.