Quartz sand filterThe scientific name is shallow medium filter. It uses quartz sand as the filtering medium. Under certain pressure, water with high turbidity is filtered through a certain thickness of granular or non-granular quartz sand, effectively intercepting and removing suspended solids, organic matter, colloidal particles, microorganisms, chlorine, odor and some heavy metal ions in the water. A filtration device that achieves the effect of reducing water turbidity and purifying water quality.

Quartz sand filters are generally used as pretreatment for reverse osmosis and ultrafiltration equipment, mainly for the retention and adsorption of silt, colloids, metal ions and organic matter. Common filter materials include quartz sand, activated carbon, anthracite, manganese sand, etc. It is widely applied in various industries such as agricultural irrigation, chemical engineering, petroleum, metallurgy, and mining.

    Quartz sand filter is a type of filter that uses quartz sand as the filter material and filler. It is beneficial for removing impurities from water. It also has the advantages of low filtration resistance, large specific surface area, strong acid and alkali resistance, and good anti-pollution performance. The advantage of quartz sand filters lies in the fact that by optimizing the design of filter materials and filters, the self-adaptive operation of the filter is achieved. The filter materials have strong self-adaptability to the concentration of raw water, operating conditions, and pretreatment processes, that is, during filtration, the filter bed automatically forms a state of being looser at the top and denser at the bottom. It is conducive to ensuring the effluent quality under various operating conditions. During backwashing, the filter material is fully dispersed, resulting in a good cleaning effect. Sand filters can effectively remove suspended solids from water and have a significant effect on removing colloids, iron, organic matter, manganese, viruses and other pollutants in water. It also has the advantages of fast filtration speed, high filtration accuracy and large dirt-holding capacity. It is mainly used in various fields such as power, electronics, beverages, tap water, petroleum, chemical engineering, metallurgy, textile, papermaking, swimming pools, municipal engineering, etc., for the advanced treatment of process water, domestic water, circulating water and wastewater.

I.The function of quartz sand filters

Quartz sand filter is a pressure-type filter. By using the refined quartz sand filter material filled in the filter, when the water flows from top to bottom through the filter layer, the suspended solids and sticky particles in the water are removed, thereby reducing the turbidity of the water.

It is mainly used for pre-treatment in water treatment such as turbidity removal, water softening, electrodialysis and reverse osmosis, and can also be applied to surface water, groundwater and other aspects. It can effectively remove suspended solids, organic matter, colloids, silt and other substances in water.

It can be widely applied in electronic power, petrochemical, metallurgy electroplating, papermaking textile, pharmaceutical dialysis, beverage, drinking water for daily life, water for factories and enterprises, swimming pools, etc. It can meet the liquid filtration needs of various industries.

Quartz sand filtration is one of the effective means to remove suspended solids from water and is an important unit in advanced wastewater treatment, wastewater reuse and water supply treatment. Its function is to further remove the already flocculated pollutants in the water. Through the interception, sedimentation and adsorption effects of the filter material, the purpose of water purification is achieved.

Ii. Technical Parameters of Quartz Sand Filter

1Operating parameters

Designed filtration rate8-10meter/when

Final head loss1.7meter

Backwashing intensity4-15l/seconds·Square meters

Rinsing duration:5-7Minutes

Filter material: Quartz sand

Cushion layer thickness200-400millimeter

Filter layer thickness800millimeter

2Water quality parameters

The turbidity of the influent is less than15The turbidity of the effluent is less than3Degree.

The turbidity of the influent is less than10The turbidity of the effluent is less than2Degree.

3Water pressure

Inlet water pressure≥0.04Mpa Backwash inlet water pressure≥0.15Mpa

Work pressure0.05MPa～0.6MPa

Operating temperature5℃～40℃(Special temperatures can be customized

Single-machine flow rate0.5m3/h～80m3/h

Operation mode: Manual or automatic control

Filtration speed5m3/h～12m3/h,big15m3/h

Product specificationsΦ223～Φ3000

Cylinder material304,Q235Rubber-lined or glass coated with epoxy.

Iii.Scope of application

The operation of the quartz sand filter can be automatically controlled, featuring high filtration efficiency, low resistance, large processing flow and few backwashing times. It is widely applied in the pretreatment of water quality for pure water, beverage water, mineral water, and in the electronics, printing and dyeing, papermaking, and chemical industries, as well as in the filtration after secondary treatment of industrial wastewater. It is also used for deep filtration in reclaimed water reuse systems and swimming pool circulating water treatment systems. It also has a very good removal effect on suspended solids in industrial wastewater.

1It is mainly used for pre-treatment in water treatment such as turbidity removal, water softening, electrodialysis and reverse osmosis, and can also be applied to surface water, groundwater and other aspects. Can be effective It can effectively remove suspended solids, organic matter, colloids, silt and other substances from water.

2It can be widely applied in electronic power, petrochemical, metallurgy electroplating, papermaking textile, pharmaceutical dialysis, beverage, drinking water for daily life, water for factories and enterprises, swimming pools, etc. It can meet the liquid filtration needs of various industries.

3. It is used to require the turbidity of the effluent≤5mg/LIndustrial water, domestic water and municipal water supply systems that can meet the drinking water quality standards;

4. The removal of suspended and solid substances in industrial wastewater;

5. It can be used as a pretreatment device in ion exchange softening and desalination systems, and as a coarse filtration device for industrial water supply with low water quality requirements. And it is used in swimming pool circulation treatment systems, cooling circulation water purification systems, etc.