The filter media of quartz sand filter is made of natural quartz sand, which is processed through the process of selection, crushing, washing and fine sieving. It has the advantages of uniform particle size, complete type, compression and wear resistance, high mechanical strength, stable chemical performance, good acid resistance, strong pollution interception capacity, long service life, etc. At present, it is a widely used water purification material in the water treatment industry. Quartz sand filter can remove sediment, colloid, granular matter and suspended matter in water.