In water treatment, hydropower, irrigation, and industrial applications, selecting the right intake screen is essential to ensure reliable performance, environmental compliance, and equipment protection. Intake screens filter raw water by removing debris, sediments, and aquatic life before the water enters pumps, pipelines, or processing systems.
Why Intake Screens Matter
Intake screens serve as the first line of defense in water intake systems, preventing damage to downstream equipment while maintaining consistent water flow. Whether it is a municipal water treatment plant, a hydropower facility, or a cooling system for a power plant, the right intake screen ensures:
• Reduced maintenance and downtime
• Protection against clogging
• Compliance with aquatic life protection regulations
• Efficient and sustainable water intake filtration
Different Types of Intake Screens
Known for their strength and precision, wedge wire intake screens offer high open-area percentages and are ideal for applications requiring anti-clogging performance. They are commonly used in submersible intake systems, desalination plants, and seawater intake filtration systems.
Benefits:
• Corrosion-resistant stainless steel
• Easy to clean and maintain
• High-flow capacity with minimal pressure drop
Designed for gravity-fed water intakes, Coanda screens use the Coanda effect to separate water from debris. These screens are often found in small hydropower and irrigation projects.
Benefits:
• No moving parts
• Self-cleaning through hydraulic force
• Excellent for remote or low-maintenance sites
3. Drum and Rotary Drum Intake Screens
Rotary drum intake screens provide fine mesh screening for applications such as wastewater treatment and raw water intake in lakes or rivers. These screens rotate continuously, allowing for automatic debris removal.
Benefits:
• Ideal for fine particle filtration
• Available in self-cleaning configurations
• Compact and efficient design
Typically installed at the entrance of large intake structures, bar rack screens are the first stage in multi-tiered water filtration systems. They remove large debris such as branches, plastics, and rocks.
Benefits:
• Heavy-duty construction
• Low maintenance
• Protects finer downstream screens
5. Passive Intake Screens
Passive screens are stationary, cylindrical, or conical screens submerged in water bodies. Often used in fish-friendly and low-impact installations, these intake screens comply with environmental protection standards.
Benefits:
• Gentle on aquatic life
• Long service life with minimal maintenance
• Ideal for river and lake intakes
Choosing the Right Intake Screen for Your Application
The selection of an intake screen system depends on several factors, including:
Water source (river, lake, sea)
Flow rate and pressure requirements
Type and size of debris
Regulatory requirements for aquatic life protection
Operational and maintenance preferences
Understanding the different types of intake screens helps ensure the success of your water intake project, whether for industrial, municipal, or environmental purposes. From self-cleaning wedge wire screens to passive fish-friendly systems, there is a solution tailored for every application.
If you are planning a new installation or upgrading an existing one, consult with YUBO experts to find the best intake screen solution that meets your flow requirements, protects your equipment, and complies with local regulations.
E-mail: sales@uboscreen.com
WhatsApp: 86-13653285589
Article Source: wedgewire-filter.com
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