How to install the drift eliminator in a counter flow cooling tower?

As a supplier of counter flow cooling towers, I often receive inquiries about the installation of drift eliminators. Drift eliminators play a crucial role in counter flow cooling towers, as they help to reduce water loss and environmental pollution by capturing water droplets entrained in the exhaust air. In this blog post, I will guide you through the process of installing a drift eliminator in a counter flow cooling tower, providing you with practical steps and important considerations.

Understanding the Importance of Drift Eliminators

Before diving into the installation process, it's essential to understand why drift eliminators are so important. In a counter flow cooling tower, hot water is distributed at the top of the tower and flows downward through a fill media, while air is drawn upward by a fan. As the air moves through the water droplets, some of these droplets can be carried out of the tower with the exhaust air. This is known as drift.

Drift not only leads to water loss, which can be costly, but it can also cause environmental issues. Water droplets may contain chemicals such as treatment agents and dissolved solids, which can be released into the surrounding environment. Drift eliminators are designed to capture these water droplets before they exit the tower, reducing water loss and minimizing the environmental impact.

Pre - installation Preparations

1. Gather Tools and Materials

• You will need basic tools such as a screwdriver, wrench, measuring tape, and safety equipment like gloves and goggles.
• Ensure you have the correct drift eliminator model that is compatible with your counter flow cooling tower. You can refer to our Induced Draft Counter Flow Closed Cooling Tower or Counter Flow Closed Type Cooling Tower or Counter Flow Closed Loop Cooling Tower product pages to select the appropriate drift eliminator.
• Check the tower for any damage or debris that could interfere with the installation.

2. Safety Precautions

• Before starting the installation, make sure the cooling tower is shut down and all power sources are disconnected. This will prevent any accidental start - up during the installation process.
• Set up proper fall protection if the installation requires working at heights. This may include safety harnesses and guardrails.

3. Measure and Plan

• Measure the dimensions of the cooling tower's air outlet where the drift eliminator will be installed. This will ensure a proper fit.
• Plan the layout of the drift eliminator sections. Most drift eliminators come in modular sections that need to be assembled on - site.

Installation Steps

1. Clean the Installation Area

• Use a broom or compressed air to clean the area where the drift eliminator will be installed. Remove any dirt, dust, or debris that could prevent a proper seal.

2. Assemble the Drift Eliminator Sections

• Follow the manufacturer's instructions to assemble the drift eliminator sections. This may involve connecting the sections using clips, bolts, or other fasteners.
• Make sure the sections are aligned correctly and that all connections are secure.

3. Position the Drift Eliminator

• Carefully lift the assembled drift eliminator into position at the air outlet of the cooling tower. Use a crane or other lifting equipment if necessary.
• Ensure that the drift eliminator is centered and level within the air outlet. You can use a level to check for proper alignment.

4. Secure the Drift Eliminator

• Once the drift eliminator is in position, secure it to the cooling tower using the appropriate fasteners. This may involve attaching the drift eliminator to the tower's frame or support structure.
• Make sure all fasteners are tightened properly to prevent any movement or vibration during operation.

5. Seal the Edges

• Apply a suitable sealant around the edges of the drift eliminator to prevent air and water leakage. This will help to improve the efficiency of the drift eliminator and reduce the risk of water loss.

6. Inspect the Installation

• After the installation is complete, conduct a thorough inspection of the drift eliminator. Check for any loose connections, gaps, or damage.
• Make sure the drift eliminator is functioning properly by running a test operation of the cooling tower. Monitor the water loss and the air flow to ensure that the drift eliminator is performing as expected.

Post - installation Maintenance

• Regularly inspect the drift eliminator for any signs of damage, clogging, or fouling. Over time, debris and scale can accumulate on the drift eliminator, reducing its effectiveness.
• Clean the drift eliminator as needed using a soft brush or a pressure washer. Make sure to follow the manufacturer's cleaning instructions to avoid damaging the drift eliminator.
• Check the seals and fasteners periodically to ensure they are still in good condition. Replace any damaged seals or fasteners promptly.

Conclusion

Installing a drift eliminator in a counter flow cooling tower is a relatively straightforward process, but it requires careful planning and attention to detail. By following the steps outlined in this blog post, you can ensure a successful installation that will help to reduce water loss and minimize the environmental impact of your cooling tower.

If you are in the market for a counter flow cooling tower or need assistance with drift eliminator installation, we are here to help. Our team of experts can provide you with the right products and support to meet your specific needs. Contact us today to start a discussion about your cooling tower requirements and how we can assist you in achieving optimal performance.

References

• Cooling Tower Institute. "Cooling Tower Fundamentals."
• Manufacturer's installation and operation manuals for counter flow cooling towers and drift eliminators.