What is Water Intake Screen?

A water intake screen is a physical barrier installed at the entrance of a structure designed to withdraw water from a natural source (like a river, lake, ocean). Its primary purpose is to filter out large debris and aquatic organisms before the water entries the pumping system, pipeline, or treatment facility.

Here's a breakdown of its key aspects:

1. Core function: Debris exclusion:

• Prevents large objects like leaves, branches, trash, plastic and other floating debris from entering the intake structure.
• Stops aquatic vegetation from clogging the system.

2. Protection for aquatic life:

• Fish exclusion: This is a critical function, especially in environmentally sensitive areas.Screens are designed with specific slot sizes to prevent fish and other large aquatic organisms from being drawn into the intake and injured or killed by pumps or other equipment.
• Impingement prevention: Stops Organism from being trapped against this green face by the flow.
• Entrainment reduction: Minimizes the intake of very small organisms and the plankton, although finer screens or other technologies are often needed for complete prevention.

3. Protection for downstream equipment:

• Prevent debris from clogging, damaging or wearing out expensive pumps, values, heat exchangers, condenser tubes and other components furthur along the water system.
• Reduces the need for frequent maintenance and cleaning downstream.

4. Common applications:

• Municipal drinking water treatment plant.
• Industrial process water system.
• Power plant for condensed cooling water.
• Desalination plant.
• Irrigation systems.

In simple terms, water intake screens like a filter or sieve placed where water is sucked into a pipe or plant from a lake, river or ocean.It stops sticks, leaves, trash, fish and other big things from getting inside and causing problems with pumps, pipes or machinery, while also protecting wildlife.They come in many different designs depending on the specific needs.

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Nina

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