Heat ExchangerHeat Exchanger
Air Cooled Exchangers
Air Cooled Exchangers

What is Air Cooled Heat Exchangers?Air-cooled heat exchangers (ACHEs), also known as air-cooled condensers or dry coolers, are heat transfer devices used to cool process fluids by exchanging heat with···

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  • Improved Thermal Efficiency

  • Patented Technology

  • Wide range of applications & industries

  • Large installed base and references



What is Air Cooled Heat Exchangers? 

Air-cooled heat exchangers (ACHEs), also known as air-cooled condensers or dry coolers, are heat transfer devices used to cool process fluids by exchanging heat with ambient air. Unlike traditional water-cooled heat exchangers, which use water as the cooling medium, air-cooled heat exchangers use ambient air to remove heat from the process fluid.

The basic components of an air-cooled heat exchanger include:

1. **Tube Bundle:** This is the core component where heat exchange takes place. The tube bundle consists of a series of finned tubes through which the process fluid flows. The fins increase the surface area of the tubes, facilitating efficient heat transfer to the surrounding air.

2. **Fan(s):** Fans are used to draw ambient air through the tube bundle, facilitating heat exchange. The fans can be axial or centrifugal, depending on the design and application requirements.

3. **Support Structure:** A sturdy support structure holds the tube bundle and fans in place, ensuring proper alignment and stability.

4. **Plenum Chamber:** The plenum chamber directs the flow of air across the tube bundle and ensures uniform distribution of air over the entire surface area of the fins.

5. **Casing:** The casing encloses the tube bundle, fans, and plenum chamber, providing protection from environmental factors and helping to direct airflow.

Air-cooled heat exchangers are commonly used in various industries and applications where water availability is limited or where water-based cooling systems are not feasible. They are particularly well-suited for applications in remote locations, desert environments, or industrial facilities where water conservation is a priority. Some common applications of air-cooled heat exchangers include process cooling in refineries, petrochemical plants, power plants, natural gas processing facilities, and HVAC systems.

2) Why choice our Air Cooled Heat Exchangers?

Our Air Cooled Heat Exchangers stand up to the demanding requirements for heat transfer processes in chemical, oil and gas, process and power generation applications. Here’s why:

Thermal Designs Fully Customized to Your Project Specifications

•     Our ratings engineers understand the wide range of fluid applications, including hydrocarbons, glycol and water.

•     Proprietary computer models are used to optimize heat transfer surface and pressure drop.

•     Models are verified to meet or exceed Heat Transfer Research, Inc. (HTRI) thermal design standards.

Proven Mechanical Systems Available

•     Fans, belt drives, sheaves and other mechanical components are built for reliability and easy maintenance. 

•     Mechanical equipment is factory tested to meet thermal, vibration, noise and other performance specifications.

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In-Factory Products and Production To Meet Your High Standards

 


In-Factory: Precision Welding and Machining Processes

•     Submerged Arc Welding (SAW), multipass

•     Gas tungsten arc welding (GTAW), manual and automatic

•     Gas metal arc welding (GMAW)

•     Flux-cored arc welding (FCAW)

•     Tube-to-tube sheet seal welding or strength welding, manual or automatic

•     High tolerance computer numerical control (CNC) machining centers

Quality Assurance Integrated into Every Step of the Manufacturing Process

•     All materials are inspected upon receipt, in-process and at final assembly.

•     The testing, verification and inspection processes are rigorous, including:

•    hydrostatic

•    pneumatic

•     submerged leak testing

•     other nondestructive evaluations and testing

•     project specific testing, including third-party independent review

 

 

Each Tube Bundle is Constructed, Tested and Stamped in Strict Accordance with These Standards:

•     American Society of Mechanical Engineers (ASME) Section VIII, Division I – “U” Stamp

•     American Petroleum Institute API Standard 661 for Petroleum, Petrochemical and Natural Gas Industries, when applicable

•     Tubular Exchange Manufacturers Association, Inc. (TEMA),when applicable

•     Additional world standards: German Institute for Standardization (DIN), British Standards Institution (BSI) Japanese Industrial Standards (JIS)

•     ISO 9001: 2008 quality management system

 

 

Design Configurations and Materials of Construction

Our Heat Exchangers are available in a range of materials and designs to meet your operational requirements.


 

Design

Configurations

•    Forced draft

•    Induced draft

•    Horizontal

•    Vertical

•    A Frame

Tube Metals and Alloys

•    Carbon steel

•    Stainless steel

•    Duplex stainless steel

•    Copper

•    Copper nickel

•    Titanium

•     Inconel®  and Incoloy®

•    Hastelloy®  and other proprietary alloys

 

Design Pressures

•    Full vacuum

•    Up to 4500 psi (300 bar)

  

Structure

•    Hot-dip galvanized

(HDG) steel

 

 

Fin Materials

•  Aluminum

•  Copper

•  Hot-dip galvanized (HDG) steel

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Finned Tubes

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•   L Footed 

•   Extruded


•   Embedded (G Fin)

•   Elliptical (galvanized)

 

Header Types

 

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Plug box header

 

 

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Bolted cover header

 

 

 

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Bonnet header

 

 

 

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Manifold header

 


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