Why choose JX FILTRATION's sand filter?
Sand filter also known as a media filter or multi-media filter, is a deep filtration device that uses multiple layers of filter media with different particle sizes as the filter medium to purify water through physical interception and adsorption.
Working Principle:
Filtration Stage: Water flows from top to bottom through the filter media layer. The filter bed is typically composed of media of various densities and particle sizes (e.g., from top to bottom: anthracite, quartz sand, garnet, etc.), forming a "gradient filtration" structure where the pore size gradually decreases from top to bottom.
Backwashing Stage (Critical Regeneration Step): After a period of operation, as the impurities trapped in the filter bed increase and the head loss (pressure difference) increases to a set value or reaches a predetermined time, the filter needs to be automatically/manually backwashed to restore performance.
Technical Features and Advantages:
Deep Filtration: The filter bed is thick (typically >1 meter), capable of storing a large amount of impurities, with a large processing capacity and long operating cycle.
High Efficiency and Stability: Highly effective at removing suspended solids, turbidity, iron and manganese oxides, some organic matter, and colloids, resulting in stable effluent quality.
Wide Applicability: It can be used as a key pretreatment device in RO reverse osmosis, ion exchange, ultrafiltration, and other systems, and is widely applied in: industrial circulating cooling water treatment, groundwater iron and manganese removal, advanced wastewater treatment (tertiary filtration), seawater desalination pretreatment, and municipal water supply.
JX Filtration Sand Filter Solution Highlights:
Our sand filters fully utilize the above principles and have undergone engineering optimization:
- Intelligent Control: Equipped with fully automatic multi-way valves or pneumatic valve assemblies, it automatically performs filtration, backwashing, and forward flushing processes based on time or pressure difference, ensuring efficient and unattended operation.
- Customized Filter Media Ratio: Based on your specific water source quality (such as turbidity, COD, iron content), we scientifically configure the type, particle size, and height of multi-layer filter media to achieve optimal filtration effect and the longest operating cycle.
- High-Efficiency Water Distribution System: The unique top distributor and bottom collector design ensures absolutely uniform water flow distribution, prevents short circuits, and fully utilizes the efficiency of the entire filter bed.
- Compact and Durable Design: The tank can be made of carbon steel (with anti-corrosion lining), stainless steel, or fiberglass to adapt to various environmental and pressure requirements.
In summary, a sand filter is like a "deep trap," using carefully designed layers of filter media to intercept impurities in the water layer by layer, like a sieve. It is regenerated through periodic backwashing, making it a reliable mainstay for large-scale, low-cost deep purification.
If you can provide specific application scenarios (such as the type of water source, flow rate, influent water quality indicators, and target requirements), JX Filtration can provide you with more targeted sand filter selection advice.
Any requirements, contact us now!
Nina
Email: nina@filtrationchina.com
Mobile/Whatsapp/WeChat：+86 172 6957 1060
