Key Features of an Industrial Automatic Backwash Strainer

-Automatic Backwashing Mechanism:
The backwash system automatically cleans the filter by reversing the flow of liquid, which dislodges trapped debris from the filter element.
This process is triggered when the pressure differential between the inlet and outlet reaches a set threshold, indicating that the filter is becoming clogged.

-Filter Element:
The filter element is typically made from perforated metal or wire mesh, designed to trap particles while allowing clean liquid to pass through.
The size of the perforations or mesh can vary depending on the filtration requirements, ranging from coarse to fine filtration.

-Control System:
The strainer includes a control system that monitors the pressure differential across the filter. When the differential reaches a predetermined level, the system automatically initiates the backwash process.
Some systems may include a PLC (Programmable Logic Controller) for advanced control and customization of cleaning cycles based on time, pressure, or other operational parameters.

-Robust Housing:
The housing of the strainer is made from durable materials such as stainless steel, carbon steel, or cast iron, built to withstand high pressures, corrosive liquids, and harsh industrial environments.

-Drain Valve:
During the backwash process, dislodged debris is flushed out through a drain valve, ensuring the filter is clean and ready for continued use without stopping the operation.

Types of Backwash Systems

1. Timed Backwash Systems:

   • The backwash process is triggered at pre-set intervals, based on the expected contamination load.
   • This system is suitable for applications where the contamination levels are predictable and consistent.

2. Pressure Differential Backwash Systems:

   • The backwash process is triggered when the pressure differential across the filter reaches a specified level, indicating that the filter is clogged.
   • This system optimizes cleaning by only activating when necessary, improving efficiency and reducing resource usage.

3. Manual Override:

   • Although the system is automatic, operators can manually initiate the backwash process if required, providing flexibility for maintenance or specific operational needs.

Advantages of an Industrial Automatic Backwash Strainer “IWAKO”

-Continuous Operation:
The backwash mechanism allows the strainer to operate continuously without needing to stop the system for cleaning, reducing downtime and improving operational efficiency.

-Lower Maintenance Costs:
The automatic self-cleaning feature reduces the need for manual cleaning, lowering labor costs and minimizing system maintenance requirements.

-Efficient Filtration:
By automatically cleaning the filter element as soon as it becomes clogged, the system maintains consistent filtration efficiency, preventing buildup of debris that could affect system performance.

-Longer Filter Life:
Regular backwashing reduces wear and tear on the filter element, extending its life and reducing the frequency of replacement.

-Environmental Benefits:
Backwashing systems use minimal water during the cleaning process, making them more water-efficient than traditional manual cleaning methods.

-Protects Equipment:
By filtering out debris and contaminants, the strainer protects downstream equipment such as pumps, valves, and heat exchangers, reducing the risk of damage and costly repairs.

Applications of an Industrial Automatic Backwash Strainer “IWAKO”

Automatic backwash strainers are used in industries where continuous filtration is essential for protecting equipment and maintaining system efficiency. Common applications include:

1. Water Treatment:

   • Filters sediment, debris, and particles from water in municipal and industrial water treatment plants, ensuring clean water flow and protecting downstream equipment.

2. Oil and Gas Industry:

   • Filters contaminants from oil, gas, and petrochemicals, protecting pipelines and processing equipment from blockages and damage.

3. Chemical Processing:

   • Ensures that chemicals and solvents are free of particles that could affect product quality or damage equipment.

4. Power Generation:

   • Used to filter cooling water and other fluids in power plants, protecting heat exchangers, turbines, and other equipment from fouling and scaling.

5. Food and Beverage Industry:

   • Filters liquids such as water, oils, and juices, removing contaminants to ensure product purity and protect production equipment.

6. HVAC and Cooling Towers:

   • Filters water used in HVAC and cooling tower systems, preventing debris from clogging the system and maintaining efficient heat transfer.