With a combination of various filter media and counter – current backwash technology, the multi – media filter achieves deep – layer water purification. Combining high – efficiency dirt interception with long – cycle operation, it becomes the mainstream equipment for water treatment in industrial and civil applications.
I. Product Introduction
Multi-media filter is a process in which one or several filter media are used to pass water with high turbidity through a certain thickness of granular or non-granular material under a certain pressure, thereby effectively removing suspended chromatin and clarifying the water. The filter media are quartz sand, anthracite, manganese sand, etc., which are mainly used for water treatment and degreasing, softened water, pre-treatment of pure water, etc. The turbidity of the effluent can reach below 3 degrees.
II. Working Process
III. Product Features
| Key Advantages | Description |
|---|---|
| Multi – layer Composite Filtration | A combination of 2 – 4 layers of filter media with different particle sizes and functions enables gradient purification from coarse to fine, with effluent turbidity <3NTU. |
| High – efficiency Dirt Interception | The total thickness of filter media can reach 1 – 2 meters, effectively intercepting impurities with a particle size of 5 – 100μm, increasing the dirt – holding capacity by 40% compared to single – media filters. |
| Energy – saving and Low – consumption Design | Backwash water consumption is only 2 – 3% of the treated water volume, and energy consumption is reduced by 35%, significantly saving operating costs. |
| Long Lifespan and Maintenance – free | Filter media is wear – resistant and corrosion – resistant, with a service cycle of over 5 years under normal conditions, reducing replacement frequency. |
| Flexible Customization | Supports personalized adjustment of filter media type, thickness, and backwash parameters to adapt to different raw water quality and treatment requirements. |
IV. Technical Parameters
V. Application Fields
| Industry | Application Scenarios | Core Value |
|---|---|---|
| Municipal Water Supply | Tap water plant pre – treatment, secondary water purification | Reduces raw water turbidity and iron/manganese content, ensures residential water safety, and eases subsequent disinfection pressure. |
| Industrial Recirculating Water | Cooling tower makeup water filtration, boiler water softening | Prevents pipeline scaling and equipment corrosion, extends equipment lifespan, and improves the utilization rate of recirculating water. |
| Wastewater Treatment | Tertiary sewage treatment, pre – filtration for reclaimed water reuse | Removes suspended solids and some organic matter, creates conditions for advanced treatment, and increases water resource recovery rate. |
| Food and Beverage | Production line water filtration, brewing water purification | Ensures water quality meets food safety standards, enhances product taste and quality stability. |
VI. FAQ
VII. Conclusion
The multi – media filter stands out as a fundamental water treatment device, thanks to its multi – layer purification technology, economic durability, and wide applicability. Whether in municipal projects, industrial production, or environmental protection, it can achieve stable and reliable water purification through standardized configurations or customized solutions. With the increasing environmental protection and energy – saving requirements, the multi – media filter will continue to optimize filter media combinations and backwash processes, providing sustainable water treatment solutions for more industries.
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