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Help CenterHot Spring Bathing Sand Tank, Swimming Pool Filtration, Manufacturer, Customizable
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Industry Pain Points and Solutions
In the field of water treatment for hot springs, swimming pools, etc., traditional filtration equipment often faces core pain points such as low filtration efficiency, high water consumption for backwashing, easy corrosion of equipment, and high maintenance costs. Especially for high-load hot spring water, which contains a large amount of minerals, suspended solids, and oils, conventional sand filters often result in unstable effluent water quality due to filter media compaction and uneven water distribution. Frequent replacement of filter media further increases operating costs. Henan Boyue Amusement Equipment Co., Ltd., as a professional water treatment equipment supplier with years of in - depth experience in the industry, deeply understands users' urgent needs for an efficient, durable, and low - maintenance filtration system. Our launched Hot Spring Bathing Sand Filters, Swimming Pool Filters, Manufacturer, Customizable series of products are made of high - quality fiberglass or 304 stainless steel. Combined with an optimized water distributor design and a high - precision filtration layer, they achieve excellent performance with large flow, low resistance, and easy backwashing. Through strict hydraulic calculations and structural reinforcement, the equipment can withstand a working pressure of 0.4MPa for a long time, adapt to different water quality environments, effectively remove suspended solids, colloids, and some organic matter in the water, and ensure that the effluent turbidity is less than 1NTU. At the same time, we provide flexible customization services. We can adjust the diameter of the sand filter, the direction of the inlet and outlet, the interface size, and the filter media ratio according to the flow, space, and installation conditions of different swimming pool and hot spring projects, truly realizing "one project, one solution" and solving the adaptability problems of traditional equipment from the source.
Working Mechanism and Technical Features
The sand filter is based on the principle of physical filtration. Water is pumped into the top of the sand filter and evenly distributed to the filter media layer (usually quartz sand or garnet with a particle size of 0.5 - 1.0mm) through the water distributor. Under pressure, water passes through the gaps in the filter media, and suspended solids are trapped on the surface and inside of the filter media. The clean water is collected by the bottom water collector and then flows out. When the amount of intercepted pollutants in the filter layer reaches a certain value and the pressure difference rises, the system automatically or manually triggers the backwashing procedure: the water flows in the reverse direction, causing the filter media to expand and tumble, and the intercepted impurities are discharged from the sewage outlet to restore the filtration capacity. This product has the following significant features:
- Optimized Water Distribution Structure: A multi - hole tubular or umbrella - shaped water distributor is used to ensure uniform water flow distribution, avoid uneven flow and channeling of the filter media, and improve the filtration efficiency by more than 20%.
- High Corrosion Resistance: The tank is made of fiberglass by winding (resistant to acids, alkalis, and ultraviolet rays) or 316L stainless steel (resistant to chloride ion corrosion), suitable for corrosive environments such as hot springs and seawater.
- Large Flow Design: According to the formula of filtration area and flow velocity (usually the designed flow velocity is 15 - 25m/h), various specifications are provided, and the single - unit treatment capacity can reach 50 - 200m³/h, meeting the needs of large - scale swimming pools.
- Low-energy backwashing: The backwashing intensity is controlled at 12 - 15L/m²·s, and the water consumption is only 70% of that of traditional sand tanks, effectively reducing the operating cost.
- Optional intelligent control: It supports manual multi-way valves or automatic control valves. The backwashing cycle and differential pressure start can be preset to achieve unattended operation.
Technical specification reference (The following are the parameters of common models, and the actual ones can be customized according to the project)
| Model | Diameter (mm) | Height (mm) | Filtration area (m²) | Maximum working pressure (MPa) | Inlet and outlet diameter (mm) | Recommended flow rate (m³/h) |
| BY - 600 | 600 | 1200 | 0.28 | 0.4 | DN50 | 7 - 10 |
| BY - 900 | 900 | 1500 | 0.64 | 0.4 | DN80 | 16 - 22 |
| BY - 1200 | 1200 | 1800 | 1.13 | 0.35 | DN100 | 28 - 38 |
| BY-1600 | 1600 | 2000 | 2.01 | 0.35 | DN150 | 50-68 |
| BY-2000 | 2000 | 2200 | 3.14 | 0.25 | DN200 | 78-94 |
Detailed Explanation of Advantages
The above parameters are based on industry standards and the actual production experience of Henan Boyue Amusement Equipment Co., Ltd., ensuring a stable filtration effect at the recommended flow rate and a backwash recovery rate of >95%. The tank design complies with the standard of GB/T 21434 - 2008 "Fiberglass Reinforced Plastic Filter Tanks". All welds are subject to 100% non - destructive testing, ensuring reliable pressure bearing capacity. For hot spring projects, we offer models that can withstand high temperatures (≤60℃) to avoid thermal deformation of the filter media. In addition, built - in ultraviolet or ozone auxiliary disinfection devices can be customized to achieve integrated filtration and disinfection.
Endorsement of Trust and Company Advantages
Since its establishment, Henan Boyue Amusement Equipment Co., Ltd. has provided equipment and engineering services for over 200 hot spring and swimming pool projects nationwide, covering fields such as water parks, children's water playgrounds, hot spring resorts, and SPA hydrotherapy centers. The company has a professional team for design, production, and construction, and can provide one - stop services from project planning, scheme design, equipment selection, installation and commissioning to after - sales maintenance. For example, in a large - scale hot spring resort project, according to its daily circulating water volume of 3000m³, we configured 6 BY - 1600 sand filters and equipped them with an automatic backwash system. The effluent water quality has been continuously maintained below 0.5NTU. The customer reported that the operating cost was reduced by 15% compared with before. We adhere to conducting 48 - hour pressure and flow tests on all equipment before leaving the factory to ensure the delivery quality. In terms of customization, we can conduct on - site surveys with customers, and provide free technical drawings and selection suggestions to ensure the perfect match between the equipment and the system. Choosing Boyue means not only choosing a piece of equipment, but also choosing a professional and reliable long - term partner.
Consultation Suggestions
If you are planning or upgrading the water treatment system for a hot spring or swimming pool, we welcome you to communicate with us. Please provide the scale of your project, water quality requirements, installation space, and budget range. We will provide you with a targeted scheme and quotation for free. Our technical team has rich practical experience and can assist you in avoiding common design mistakes, such as choosing a sand filter that is too large, resulting in a too low flow rate and affecting the backwash effect, or too small, resulting in frequent backwashing. We look forward to jointly creating an efficient, energy - saving, and environmentally friendly water treatment system with you. Please contact Henan Boyue Amusement Equipment Co., Ltd. and let us help your project operate smoothly.
Frequently Asked Questions (FAQ)
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Q: What is the filtration accuracy of the sand filter? Is it suitable for removing grease from hot spring water?
A: The filtration accuracy of conventional quartz sand is about 20-40μm, which can remove most suspended solids and some colloids. For the grease in hot spring water, it is recommended to use it with coagulants such as polyaluminum chloride (PAC), which can make the grease flocculate and then be intercepted. If higher accuracy is required, multi-layer filter media (such as quartz sand + anthracite) can be selected or upgraded to deep filtration. Henan Boyue Amusement Equipment Co., Ltd. can provide customized solutions. -
Q: What is the backwashing frequency and water consumption of the sand filter?
A: The backwashing frequency depends on the water quality load. It is generally recommended to conduct backwashing every 24-48 hours or when the pressure difference reaches 0.05MPa. Taking BY - 1200 as an example, the backwashing flow rate is about 35m³/h, lasting for 5 - 8 minutes, and the single water consumption is about 3 - 5m³. The optimized water distribution system of Henan Boyue Amusement Equipment Co., Ltd. can reduce the water consumption by about 20%. -
Q: How to choose between a fiberglass sand filter and a stainless - steel sand filter?
A: Fiberglass is corrosion - resistant, lightweight, and low - cost, suitable for fresh - water hot springs with an environmental temperature ≤50℃. Stainless steel (304/316L) has high strength, high - temperature resistance (≤60℃), and chloride - ion resistance, but the cost is higher. If the hot spring water has a high salt content or needs to operate at high temperatures for a long time, it is recommended to choose stainless steel; for ordinary swimming pools, fiberglass is sufficient. -
Q: How often does the filter media inside the sand filter need to be replaced?
A: Under normal circumstances, quartz sand does not need to be replaced for 3 - 5 years, but it is necessary to regularly check whether the filter media is hardened or lost. If the effluent water quality continues to deteriorate or the backwashing effect is poor, partial or full replacement is required. Henan Boyue Amusement Equipment Co., Ltd. can provide filter media replenishment services and replacement guidance. -
Q: What specific contents does your company's customization service include?
A: The customizable items include: tank diameter (600 - 2500mm), height, inlet and outlet directions (side - in side - out/top - in side - out) and flange standards, working pressure (0.25 - 0.6MPa), filter media type and gradation, whether to install a sight glass, sampling valve, drain valve, etc. We can also carry out non - standard design according to the drawings provided by customers, with a minimum order quantity of 1 unit. -
Q: Does the sand filter support automatic control? What additional configurations are needed?
A: Yes. An electric multi - way valve or a hydraulic control valve can be installed, and cooperate with a differential pressure sensor and a PLC controller to realize automatic backwashing. Henan Boyue Amusement Equipment Co., Ltd. can provide a supporting control cabinet and programming services to realize dual - mode control of timing and differential pressure, reducing manual intervention. -
Q: Does your company have successful cases of hot spring projects? Can you provide on - site inspections?
Answer: We have already undertaken the construction of multiple hot spring resort projects, such as a hot spring town in Henan, a hot spring hotel in Zhejiang, etc. We welcome customers to make an appointment to conduct on - site inspections of the operating equipment, and we will arrange technical personnel to accompany and explain. At the same time, we can provide case pictures and operation data for reference. -
Question: What about the product warranty period and after - sales service?
Answer: The whole machine is guaranteed for 1 year (the tank is guaranteed for 5 years). During the warranty period, if it is not damaged due to human factors, it will be repaired or replaced for free. We provide lifelong technical support and respond within 24 hours. A maintenance contract can be signed. We establish a file for each project and conduct regular follow - ups to ensure the long - term stable operation of the equipment.
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