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Help CenterSwimming Pool Sand Filter Tank, Filtration for Hot Spring Bathing, Supports Non-standard Customization
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Industry Pain Points and Solutions
In places such as water parks, hot spring resorts, and swimming pools, water quality management has always been the core challenge faced by operators. Traditional filtration methods often have pain points such as insufficient filtration accuracy, low backwashing efficiency, easy corrosion of equipment, and high maintenance costs, resulting in sub - standard water quality, short equipment lifespan, and high operating costs. Especially for hot spring bathing, where the water contains minerals and has a relatively high temperature, ordinary filtration equipment is difficult to adapt. Frequent replacement of filter media and maintenance not only increases expenses but also affects the customer experience. Henan Boyue Amusement Equipment Co., Ltd. has been deeply involved in the industry for many years. In response to the above pain points, it has launched professional - grade swimming pool sand filters · hot spring bathing filtration equipment and supports non - standard customization to solve the water quality treatment problem at the source. Relying on its one - stop service capabilities, the company provides full - chain technical support from project planning and design to equipment production and construction. We use enhanced fiberglass materials and an optimized water distribution structure to improve the corrosion resistance and compression resistance of the sand filter. At the same time, through multi - stage filtration and intelligent backwashing design, energy consumption and maintenance frequency are significantly reduced, ensuring that the water quality meets the standards stably in the long term.
Working Mechanism and Product Features
This sand filter is based on the deep - layer filtration principle. The water flow is evenly distributed to the quartz sand filter layer through the top water distributor. Impurities such as suspended solids and colloids are trapped in the pores of the filter media, and the clean water is collected by the bottom water collector and then returned to the system. When the differential pressure reaches the set value or the operating time reaches the preset cycle, the system automatically or manually starts backwashing. The water flow flushes the filter layer in the reverse direction, discharging the trapped impurities through the sewage outlet and restoring the filtration capacity. The core features include:
- High - efficiency Filtration: Using selected quartz sand filter media, the filtration accuracy can reach 20 - 30 microns, effectively removing suspended solids, algae, and some bacteria in the water.
- Corrosion and Temperature Resistance: The cylinder body is made of high - strength fiberglass - reinforced plastic (FRP) with an anti - corrosion lining. It can withstand sulfides, chloride ions in hot spring water and a water temperature of 40 - 60°C, significantly extending the equipment lifespan.
- Multi - way Valve Integration: Standard - equipped with a six - way or seven - way multi - function valve, integrating modes such as filtration, backwashing, forward washing, drainage, circulation, and shutdown. It is easy to operate.
- Non - standard Customization Ability: Supports customizing the cylinder size, interface direction, and material (optional stainless steel, carbon steel with rubber lining, etc.) according to the customer's on - site space, flow rate, and water pressure requirements to meet special working conditions.
- Low - energy - consumption Operation: Optimized hydraulic design reduces the system resistance. Combined with a low - head water pump, the operating energy consumption is reduced by more than 15% compared with traditional sand filters.
| Parameter Items | Typical Range | Remarks |
| Cylinder Diameter | 600mm - 2400mm | Non-standard customization is supported |
| Maximum Working Pressure | 0.25 - 0.40 MPa | Complies with industry standards |
| Filtration Flow Rate | 15 - 150 m³/h | Based on diameter and filtration speed |
| Filter Media Loading | 100 - 2000 kg | Quartz sand 0.5-1.0mm |
| Interface Size | DN50 - DN150 | Customizable |
| Applicable Temperature | ≤60°C | Special temperature resistance can be customized |
Advantage Summary
Compared with traditional sand cylinders, this product has significant improvements in water distribution uniformity, backwashing efficiency, and structural strength. Adopting a large-flow drainage design, the backwashing time is reduced by 30%, and the water-saving effect is obvious. In addition, we provide full-process technical guidance from selection, installation to commissioning to ensure the perfect matching of the equipment and the system.
Trust Endorsement and Consultation Advice
Henan Boyue Amusement Equipment Co., Ltd. has provided water treatment equipment and engineering services for hundreds of water parks, hot spring resorts, and swimming pools at home and abroad, accumulating rich project experience. We offer one-stop services including planning, design, production, construction, and after-sales. We control the equipment quality and system matching from the source to reduce the customer's coordination cost. All sand cylinders are subjected to strict pressure tests and performance inspections before leaving the factory to ensure stability and reliability. If you are planning or upgrading a water quality treatment system, it is recommended to conduct water quality testing and flow rate accounting first. We can provide free technical solutions and selection suggestions. Welcome to contact our engineer team to obtain a customized solution.
FAQ
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Q: How to choose the material for the sand filter tank? Which is more suitable for hot spring water, fiberglass or stainless steel?
A: Hot spring water often contains chloride ions, sulfides, etc. Fiberglass has excellent corrosion resistance and moderate cost, making it a common choice. If the chloride ion concentration in the water is extremely high or it needs to withstand high temperatures (>60°C) for a long time, it is recommended to choose 316L stainless steel or carbon steel with rubber lining. Henan Boyue Amusement Equipment Co., Ltd. can recommend the optimal solution based on the water quality report. -
Q: How to determine the backwashing frequency of the sand filter tank?
A: The backwashing frequency depends on the influent turbidity, filtration rate, and operating time. Generally, it is recommended to perform backwashing when the differential pressure reaches 0.05 - 0.08 MPa or once every 24 hours. For hot spring bathing places, due to the dirtier water quality, the interval may need to be shortened to 8 - 12 hours. The specific interval can be optimized through on - site debugging. -
Q: What is the cycle and process for non - standard customized sand filter tanks?
A: After the customer provides requirements such as site size, flow rate, interface direction, and material, the engineers of Henan Boyue Amusement Equipment Co., Ltd. will issue a scheme drawing within 2 working days. After confirmation, the production cycle is about 7 - 15 days (depending on the complexity). The customization scope includes the tank diameter, height, inlet and outlet positions, manhole, coating, etc. -
Q: Can the sand filter tank be used for seawater swimming pools?
A: Yes, but materials resistant to seawater corrosion, such as fiberglass or titanium alloy interfaces, need to be selected. The chloride ion concentration in seawater is high, and ordinary stainless steel is prone to pitting corrosion. It is recommended to use duplex stainless steel or fiberglass. Henan Boyue Amusement Equipment Co., Ltd. can provide dedicated configurations for seawater. -
Q: Can the filtration accuracy of the sand filter tank be improved?
A: The filtration accuracy of standard quartz sand is about 20 - 30 microns. If higher accuracy is required, a precision filter can be added after the sand filter tank or a combination of multi - layer filter materials (such as quartz sand + anthracite + garnet) can be used. Henan Boyue Amusement Equipment Co., Ltd. can provide customized filtration solutions. -
Q: What should I do if the pressure gauge pointer of the sand filter tank doesn't move or the backwashing effect is poor?
A: First, check if the pressure gauge is damaged. Second, confirm whether the backwashing valve is fully opened and whether the sewage pipe is blocked. If the filter layer is caked, chemical cleaning or partial replacement of the filter material is required. Henan Boyue Amusement Equipment Co., Ltd. provides remote video guidance and on - site services. -
Q: What are the requirements for the foundation when installing the equipment?
A: The sand filter tank should be installed on a horizontal concrete foundation with sufficient bearing capacity. The foundation area should be larger than the tank base size, and a drainage ditch should be reserved. During installation, ensure that the inlet and outlet pipes are connected tightly to avoid stress transfer to the tank.
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