Quartz sand filter is a pressure filter, refined quartz sand filled in the filter when the water from top to bottom through the filter layer, suspended solids and viscose mass particles are removed, thusthe turbidity of the water reduced. Mainly used for water treatment in addition to the pre-cloud, demineralized water, electrodialysis, reverse osmosis pretreatment, surface water, groundwater, etc. Can also be used. To be effective in removing suspended solids, organics, colloids, sediment. Can be widely used in power electronics, petrochemical, metallurgy, electroplating, paper making, textile, pharmaceutical and dialysis, food, drinks, drinking water, factories and enterprises in water, swimming pool. To meet the liquid filtration needs of various industries. This product can be divided into manual and automatic-type. Manually type valve adjustment to control the operation of the filter, is to wash, backwash; automatic type pcl control cabinet to control the opening and closing electric valves, run the filter are washed, control of the state such as backwash tank materials can be divided into carbon steel tanks, stainless steel tanks, can also be produced according to user requirements. As to small machine, we will package it with wooden cases, as to large machine, we can use safe deliver by bulk cargo ship.