Heat Exchangers

EcoTherm
EAA - 250

The EcoTherm EAA-250 is an industrial air-to-air heat exchanger engineered to maximize energy efficiency by capturing waste heat from industrial stacks. This advanced equipment is specifically designed to preheat air, allowing for significant reductions in energy consumption and operational costs.

Product Specifications

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  • Model: EAA - 250
  • Air Flow Rate: 1.2 kg/s
  • Heat Transfer Rating: 250 kW
  • Pressure Drop (dP): 1.77 mbar
  • Weight (Empty): 660 kg
  • Length: 1.5 m
  • Material: SS 304L (Stainless Steel)
  • Talk to a Heat Exchanger Specialist
  • Submit an Enquiry

Product Information

Overview

Introducing the EcoTherm EAA – 250, an industrial air-to-air heat exchanger engineered to maximise energy efficiency by capturing waste heat from industrial stacks. This advanced equipment is specifically designed to preheat air, allowing for significant reductions in energy consumption and operational costs. Built with a robust and durable design, the EcoTherm EAA – 250 ensures reliable performance across a wide range of industrial applications, making it a versatile and essential tool for any facility aiming to improve energy utilisation and sustainability.

Recognising the unique needs of each facility, the EAA – 250 is custom-tailored to meet your specific operational requirements. Our engineers design each unit to perfectly align with the distinct challenges of your plant, ensuring optimal integration and performance.

  • Superior Heat Recovery Efficiency: The EAA - 250 excels at capturing and reusing waste heat from industrial stacks, significantly enhancing overall energy efficiency.
  • Versatile Application: Designed for adaptability, the EAA - 250 is suitable for a broad range of industries and applications, providing a flexible solution that meets diverse operational needs.
  • Easy Maintenance: With a design focused on easy access, the EAA - 250 simplifies cleaning and maintenance, minimising downtime and ensuring continuous, optimal performance.
  • High Efficiency and Heat Transfer: Engineered for superior heat transfer between fluid streams, the EAA - 250 achieves higher heat transfer rates than other exchangers due to its compact design and optimised flow paths.
  • Comprehensive Safety Features: The EAA - 250 incorporates multiple safety features, including pressure relief valves and over-temperature protection, ensuring safe and reliable operation in all conditions.
  • Compact Design: Optimised for space efficiency, the EAA - 250 fits seamlessly into existing infrastructure without compromising on performance.
  • Customised Solutions: Recognising that every plant is unique, the EAA - 250 is custom-designed to meet your specific requirements, ensuring the perfect fit for your operational needs.

The EcoTherm EAA – 250 is an indispensable tool for industries seeking to enhance energy efficiency and cut operational costs through effective heat recovery. Ideal for:

  • Food and Beverage Industries where pre-heating air can lead to significant energy savings.
  • Chemical Plants where reducing waste heat is crucial for efficient operations.
  • Dairies and Drink Bottling Plants where consistent temperature control is essential.
  • Natural Gas Processing Plants where energy efficiency and cost reduction are top priorities.

By integrating the EAA – 250 into your facility, you can significantly lower energy consumption, achieve substantial cost savings, and reduce your environmental impact—all with a solution tailored to your specific needs.

  • Custom Inlet / Outlet Design: The EAA - 250 can be equipped with tailored inlet and outlet ducts, ensuring even flow distribution, balanced pressure, and minimised pressure drop between inlet and outlet.
  • Advanced Monitoring: Equipped with state-of-the-art sensors and control systems, the EAA - 250 allows for real-time monitoring and optimisation, ensuring peak performance at all times.

 

An air-to-air heat exchanger transfers heat between two separate air streams without mixing them. Hot exhaust air from industrial processes is used to preheat incoming cooler air through a solid barrier, effectively recovering waste heat and boosting energy efficiency.

 

The design significantly influences heat recovery efficiency, pressure drop, and overall capacity. Key elements include the surface area for heat transfer, the flow arrangement (such as counterflow or parallel flow), and the materials used. Features like finned tubes and optimised flow paths can greatly enhance the exchanger’s performance by increasing the surface area and promoting better airflow.

 

Signs include a drop in heat recovery efficiency, leaks, higher pressure drop, unusual noises, visible corrosion, or fouling within the unit. Regular inspections are essential to catch these issues early and ensure the exchanger continues to operate effectively.

 

To troubleshoot, start by identifying symptoms like reduced heat recovery or leaks. Inspect the exchanger for blockages, fouling, or corrosion, and verify that airflow rates are within the design specifications. Common fixes include cleaning the exchanger, repairing any leaks, and adjusting airflow to restore optimal performance.

 

Common causes include fouling (buildup on heat transfer surfaces), corrosion (due to moisture or contaminants), thermal stress from temperature fluctuations, and mechanical wear from vibration or pressure changes. Inadequate maintenance or operating the exchanger beyond its design limits can also lead to premature failure.

 

These exchangers capture waste heat from hot exhaust air and use it to preheat incoming air, significantly reducing the energy required to heat the air. This process improves overall system efficiency and lowers operational costs.

 

Proper airflow is crucial for effective heat transfer between the hot and cold air streams. Insufficient or uneven airflow can lead to decreased efficiency, higher energy consumption, and potential system damage. Additionally, managing airflow helps prevent pressure drops and fouling, which can reduce performance and increase maintenance needs.

 

 

Choosing between counterflow and parallel flow designs depends on your specific application. Counterflow exchangers generally offer higher efficiency because they maintain a greater temperature difference between the air streams. Parallel flow might be preferred for simpler construction or when lower pressure drops are more critical.

 

Uniform heat transfer is achieved by optimising airflow distribution, maintaining consistent flow rates, and using baffles or flow guides to prevent uneven flow patterns. Proper design and regular maintenance help avoid hot spots, flow bypass, or dead zones that can reduce the efficiency of heat recovery.

The size of the heat exchanger directly affects its heat recovery capacity, pressure drop, and space requirements. Larger exchangers can handle more heat but may require more space and involve higher costs. Proper sizing ensures the exchanger meets thermal performance needs without imposing excessive constraints on the system, balancing efficiency, space, and cost considerations.

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Contact Details

  • Enertherm Engineering,
    Allia Future Business Centre, London Rd,
    Peterborough PE2 8AN
  • +44 (0) 7949 863 273
  • +44 (0) 1733 666 701
  • info@enertherm-engineering.com

We provide innovative engineering solutions that enhance efficiency, reduce costs, and support sustainable growth across various industries.

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