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  • Compact Heat Exchangers
  • Compact Heat Exchangers

Compact heat exchanger can be characterized by its high 'area density' this means that is has a high ratio of heat transfer surface to heat exchanger volume. So Compact heat exchange is characterized by high heat transfer surface-area to volume ratios and high heat transfer coefficients compared to other exchanger types. A heat exchanger having a surface area density greater than about 700 m2/m3 for a gas is quite arbitrarily referred to as a compact heat exchanger.

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Product Description

Compact heat exchanger can be characterized by its high 'area density' this means that is has a high ratio of heat transfer surface to heat exchanger volume. So Compact heat exchange is characterized by high heat transfer surface-area to volume ratios and high heat transfer coefficients compared to other exchanger types. A heat exchanger having a surface area density greater than about 700 m2/m3 for a gas is quite arbitrarily referred to as a compact heat exchanger. The heat transfer surface area is increased by fins to increase the surface area per unit volume and there are many variations available.


Due to the nature of Compact Heat Exchanges (CHEs)—very light weight, minimum volume and high effectiveness—they have a major technological and innovative role in the advancement of transportation, nuclear and renewable source of energy industries. They also play a similar significant role in the advancement of the process industry such as in oil refinery where hydrogen production is in demand. 

CHEs can be used in most industrial applications as long as design temperature and pressure are within the accepted range, which normally is up to 450°C and 40 barg. CHEs are often the best alternative when the application allows gasketed or fully welded plate heat exchangers, when a highgrade, expensive construction material is required for the heat exchanger, when plot space is a problem or when enhanced energy recovery is important.  



Types of Compact Heat Exchanger Typical Use in Each Process Industry

Industry Application Heat Exchanger Type
 Food and drink
  • Plate and frame heat exchanger
  • Brazed plate heat exchanger
  • Food and drink Welded plate heat exchanger
  • Compact types retaining a shell
  • Spiral heat exchanger
 Chemicals and Petrochemicals
  • Plate and frame heat exchanger
  • Brazed plate heat exchanger
  • Welded plate heat exchanger
  • Chemicals and Petrochemicals Spiral heat exchanger
  • Plate fin heat exchanger
  • Printed circuit heat exchanger
  • Compact shell and tube heat exchanger
 Oil and gas processing
  • Plate and frame heat exchanger
  • Brazed plate heat exchanger
  • Welded plate heat exchanger
  • Plate fin heat exchanger
  • Printed circuit heat exchanger
 Paper and board
  • Plate and frame heat exchanger
  • Spiral heat exchanger
 Prime movers
  • Plate and frame heat exchanger
  • Brazed plate heat exchanger
  • Plate fin heat exchanger
  • Compact shell and tube heat exchanger
 Textiles and fabric care
  • Plate and frame heat exchanger
 Mechanical vapour recompression
  • Plate and frame heat exchanger
  • Brazed plate heat exchanger
 District Heating/Cooling
  • Plate and frame heat exchanger
  • Cooling Brazed plate heat exchanger
  • Plae fin heat exchanger
 Refrigeration
  • Plate and frame heat exchanger
  • Brazed plate heat exchanger
  • Plate-fin heat exchanger
  • Printed circuit heat exchanger
 Air compressors
  • Plate and frame heat exchanger
  • Brazed plate heat exchanger
 Cryogenics
  • Plate fin heat exchanger
  • Printed circuit heat exchanger
Advantages
1. Lower capital cost and footprint, a compact heat exchanger can replace some normal size heat exchangers bringing advantages in performance.
2. Energy efficient.
3. Wide variety of configurations to suit most processes heat transfer requirements.
4. Small size and volume.

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