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What is the function of air preheater?

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Answer and Explanation:

AIR PREHEAT ER :

  • Air preheater is a device which basically used for heating purpose of air.
  • Air preheating is done before any process as like combustion.
  • Air preheating is done to increase the efficiency of the process.
  • These are also known as heat exchanger
  • They are mainly used in boilers for heating purpose
  • The energy saving is dependent on air preheating

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