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What is the working principle, performance characteristics and application range of the sand filter?

2023/04/02

The working principle of the filter sand tank: The filter sand tank uses special filter sand to eliminate the tiny dirt in the pool. As the medium for removing dirt, the filter sand is filled in the cavity of the filter. When the control knob is turned to "FILTER"position, the pool water containing suspended dirt particles is pumped into the filter device, and then guided by the control switch to the water outlet of the filter.

The pool water passes through the filter, and the tiny dirt is captured and filtered out by the sand bed. The filtered clean water passes through the control switch at the bottom of the filter and returns to the pool through the pipeline. This entire process is continuous and automatic and provides a complete cycle for the filter and piping system.

After a period of use in the filter sand tank, the accumulated dirt will hinder the water flow and weaken it. At this time, the filter must be cleaned. For example, when the control switch is turned on"BACKWASH"At this time, the water flow becomes the opposite direction, directly reaches the bottom of the filter cavity, and is washed up through the sand layer, and the previously trapped dirt and slag are washed up and discharged from the sewage outlet. After backwashing, the Control switch to "RINSE"position, the water pump will be turned off after 0.5 to 1 minute, and then turn to the "FILTER" position to start normal filtration.

The advantages of the stainless steel sand tank: 1. The stainless steel sand tank is not bad forever, and the effective service life is at least 50 years. The life of the glass fiber sand tank is 5 years; 2. The filter of the sand tank is very environmentally friendly and will not cause secondary pollution to the water quality. The glass fiber sand tank will slowly dissolve, causing secondary pollution to the water quality, and the glass fiber dissolved in water will cause serious damage to the human body, and is a strong irritant and a strong carcinogen.

The use of glass fiber sand tanks has been banned in developed countries; 3. The filter sand tank is very corrosion-resistant and is a must-have filter device for mariculture and aquariums, while glass fiber sand tanks cannot be used for this purpose; 4. The effectiveness of stainless steel sand tanks The temperature resistance can exceed 300 degrees, while the temperature resistance of the glass fiber sand tank is only 43 degrees; therefore, it is the preferred filter equipment for hot springs; 5. The surface of the stainless steel filter sand tank is smooth and the texture is excellent, which can effectively improve the grade of swimming pool equipment; 6. Stainless steel sand tank The cylinder can be customized for any flow rate equipment. Application range of filter sand cylinder: 1. Purification and filtration of large swimming pools, water parks, massage pools and waterscape projects. 2. Purification treatment of industrial sewage and domestic sewage 3. Pretreatment of drinking water.

4. Agricultural irrigation water treatment. 5. Seawater and freshwater aquaculture water treatment. 6. High-density respite in hotels and fish markets.

7. The life support system of aquariums and aquatic biology laboratories. 8. Sewage treatment before wastewater discharge from aquatic product processing plants. 9. Industrialized recirculating aquaculture system treatment.

Poolking is the best swimming pool equipment manufacturer and supplier in China. Poolking exists to provide the highest quality swimming pool equipment while offering competitive pricing..

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