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swimming pool filter manufacturers

3 matching products found in swimming pool filter manufacturers.

Swimming pool sand filter tank filtration principle and sand change


A certain scale quartz sand is generally placed in the sand filter tank produced by the swimming pool filter manufacturers. The quartz sand has different sizes and specifications within a certain range. In the sand filter tank, the quartz sand is arranged from top to bottom and from small to large. During normal filtration, water enters from the upper layer of sand and exits from the lower layer. When water flows from the upper layer through the filter layer, the tiny hollow eyes formed by the solid suspended matter in the water entering the upper filter material are retained by the surface layer of the filter material by adsorption and mechanical retention, and at the same time, between these trapped suspended solids. The overlap and bridging effect occur as if a film is formed on the surface of the filter layer and the suspended matter in the water is continuously filtered. This is the membrane filtration of the surface layer of the filter material.

This filtering action is not only present on the surface of the filter layer, but also when the water enters the intermediate filter layer. This effect is called osmotic filtration to distinguish it from the filtration of the surface layer.

In addition, since the sand particles are closely arranged with each other, the suspended particles in the water flow through the curved channels in the sand layer, and there are more opportunities and time to collide and contact the surface of the filter material. The suspended solids adhere to the flocculation process on the surface of the particles of the sand layer to form a contact coagulation process.

In summary, the filtration of the sand filter tank produced by the swimming pool filter manufacturers is to further purify the water through membrane filtration, permeation filtration and contact filtration.

The average swimming pool sand bath has a life span of 1 to 2 years. The replacement of swimming pool sand is one of the key points in the maintenance of swimming pool sand tanks. Regular replacement of sand in the sand tank can not only extend the service life of the sand tank but also improve the water quality of the swimming pool and the smoothness of the pipeline.

Reason: The main function of the sand tank for swimming pool is filtration, and quartz sand is the main filter material of the sand tank, so the quality of quartz sand directly determines the filtration effect of the sand tank.

The swimming pool filter manufacturers said that the shape of the quartz sand used for the sand tank filtration is that the regular hexahedron has eight angular points, and the quartz sand creates a gap between the corners and the corners of each quartz sand in the stacking of the sand cylinder. These voids allow the water to pass smoothly, while impurities larger than the voids cannot pass, so that it can be purified. The size of the gap determines the filtration accuracy of the sand cylinder. When the gap is small, the filtration precision is high. However, if the gap is too small, the water output of the entire sand layer is reduced to affect the water output of the sand filter. Therefore, the gap between the quartz sand determines the filtration effect, and the size of the quartz sand and the integrity of the quartz sand directly determine the size of the quartz sand void. Therefore, it can be known that the size of the sand and the integrity of the quartz sand are critical factors for the sand filter.

  • Top mount stainless steel sand filter

    Top mount stainless steel sand filterMore >

    Fenlin is your professional swimming pool filter manufacturers if you are looking for a trusted supplier of  swimming pool stainless steel sand filter filter. Our pool sand filter styles: Side mounted sand filter, Top Mounted sand filter, Large Commercial sand filter, thermoplastic sand holderIn the living room,bedroom,bathroom and any other places,very convenient.

  • Stainless steel factory supply sand filter

    Stainless steel factory supply sand filterMore >

    The filter is using of special filter sand to eliminate the small dirt in the pool. The filter sand is used as a medium for removing contaminants and is filled in the chamber of the filter. Engineering personnel and technicians of us are rich in experience of design, development and manufacture of swimming pool filter.

  • Swimming pool accessories suppliers EM2816 Main drain

    Swimming pool accessories suppliers EM2816 Main drainMore >

    Fenlin is a professional swimming pool filter manufacturers, our Swimming pool accessories safe and reliable. If to buy lifeguard chair from factory far away, it is recommended to buy  the removable lifeguard chair, unit price is higher, but the freight will be much cheaper. Quality is also first-class, safe and reliable.
     

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