What Is Heat Exchanger? Types Of Heat Exchanger

Heat Exchanger

Heat is transferred by conduction through the exchanger materials which separate the mediums being used. A shell and tube heat exchanger passes fluids through and over tubes, whereas an air-cooled heat exchanger passes cool air through a core of fins to cool a liquid.

Also Read: How to build an induction heater

There are various types of heat exchangers-

  1. Shell and tube heat exchanger
  2. Plate heat exchangers
  3. Plate and shell heat exchanger
  4. Adiabatic wheel heat exchanger
  5. Plate fin heat exchanger
  6. Pillow plate heat exchanger
  7. Fluid heat exchangers
  8. Waste heat recovery unitsDynamic scraped surface heat exchanger
  9. Phase-change heat exchangers
  10. Direct contact heat exchangers
  11. Micro-channel heat exchangers

Heat exchangers are commonly used for cooling of hot gasses and liquids, especially in industrial and manufacturing processes. They can also be used to generate heat; for example, an Exhaust Gas Heat Exchanger can use the heat from exhaust gasses to heat up a water circuit, which can then be used around a building.


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