The Coanda Screen is a high-performance water intake filtration system engineered for hydroelectric power plants, municipal water treatment, and diverse industrial applications. Utilizing the Coanda effect, these screens employ precise fluid dynamics to separate debris from the water flow, ensuring a clean and consistent intake without the need for complex mechanical interventions.
Designed for maximum efficiency and longevity, our Coanda screens leverage advanced wedge wire technology to provide superior filtration. By integrating a self-cleaning mechanism driven by the water's own velocity, these systems significantly reduce operational downtime and maintenance overhead while remaining environmentally friendly and safe for aquatic ecosystems.
Detailed Parameters
| Material Options | Stainless Steel 304, 316, 316L | Slot Size (Aperture) | 0.1mm - 2.0mm (Standard: 1.0mm, 1.5mm) |
|---|---|---|---|
| Wire Tilt Angle | 5°, 7°, or Customized | Filtration Type | Self-Cleaning Coanda Effect |
| Core Technology | Precision Wedge Wire | Environmental Resistance | High Corrosion & Wear Resistance |
| Temperature Range | Operational at low temperatures | Screen Configurations | Single, Multiple, or Integral Sump |
| Primary Purpose | Removal of trash, stones, and leaves | Mechanical Design | No moving parts required |
Key Advantages
Extreme Durability
Constructed from premium 316L stainless steel to ensure maximum resistance against corrosion and abrasive wear in harsh water environments.
Zero-Maintenance Design
With no moving parts and an inherent self-cleaning ability, it drastically eliminates the need for frequent manual cleaning or repairs.
High Flow Efficiency
The precision-engineered wedge wire profile minimizes head loss and maximizes water throughput for optimal plant productivity.
Eco-Friendly Operation
Specially designed to protect biodiversity by preventing damage to fish stocks during the filtration process.
Climate Adaptive
Engineered to perform reliably in extreme low-temperature environments without loss of structural integrity or function.
Customizable Specs
Flexible slot sizes (0.1-2mm) and tilt angles to meet the specific filtration requirements of your unique project.
Product Gallery
Management Platforms
Quality Control
Strict adherence to metal wire mesh standards ensuring precise slot dimensions and tilt angles.
Engineering Support
Expert guidance on selecting the ideal aperture and angle based on your specific flow characteristics.
Supply Chain Logistics
Optimized delivery schedules for large-scale hydroelectric and municipal infrastructure projects.
Material Certification
Full traceability and certifications for SS304, 316, and 316L grade materials.
Custom Fabrication
Tailored manufacturing for single, multiple, or integral sump screen configurations.
Lifecycle Analysis
Strategic evaluation to minimize Total Cost of Ownership (TCO) through reduced maintenance.
Investment Return Comparison
| Comparison Factor | Traditional Rake Screens | Coanda Screen System |
|---|---|---|
| Maintenance Cost | High (Mechanical Wear) | Ultra-Low (Passive System) |
| Energy Consumption | Continuous Power Needed | Zero Power (Gravity Driven) |
| Cleaning Method | Manual/Mechanical Raking | Automatic Self-Cleaning |
| Fish Protection | High Risk of Injury | Environmentally Safe |
| Service Life | Moderate (Part Replacement) | Extended (Corrosion Resistant) |
Frequently Asked Questions
The Coanda screen utilizes the Coanda effect, where the water flow adheres to the curved surface of the wedge wire. Debris is swept along the surface by the flow velocity and discharged downstream, while clean water is diverted through the slots.
For marine and coastal applications, Stainless Steel 316L is highly recommended due to its superior resistance to chlorides and saltwater corrosion compared to SS304.
Yes, we offer custom aperture sizes ranging from 0.1mm to 2.0mm. This allows you to target specific debris sizes, such as fine sand, leaves, or larger aquatic matter.
No, the Coanda screen is designed to be fish-friendly. The flow dynamics naturally guide aquatic life away from the intake and downstream, preventing injury or entrapment.
The standard profile wire tilt angles are 5 and 7 degrees, though these can be adjusted based on the specific hydraulic requirements and debris characteristics of your site.
Absolutely. It is widely used in wastewater treatment plants for the removal of large solids and trash, protecting downstream pumps and equipment from clogging.
