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04

2022

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11

What are the daily inspections for heat exchangers?

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Summary:

What are the daily checks for heat exchangers? When the conditions for gas supply or exhaust are normal, or there is no accumulation of ash, if a significant change in temperature or temperature efficiency is observed, one should check and clarify whether any of the following situations have occurred.


  What are the daily inspections for heat exchangers?

  When the conditions for supplying or discharging air are normal, or there is no accumulation of ash, if a significant change in temperature or temperature efficiency is found, one should check and clarify whether the following situations have occurred:

  1. Is the heat pipe heat exchanger damaged?

  2. Is there a blockage in the exhaust pipe of the heat pipe heat exchanger?

  3. Are the sealing partitions of the hot and cold fluids damaged, causing mixing of the two fluids?

  When the outlet temperature of the gas supply for the phase change heat exchanger is higher or lower than the standard value, one should check and clarify whether the following situations have occurred:

  1. Has the inlet temperature of the high-temperature exhaust exceeded the allowable value or dropped to a very low value?

  2. Is the flow rate of the high-temperature exhaust excessive or insufficient?

  3. Is the flow rate on the low-temperature side insufficient or excessive?

  4. Is there ash accumulation in the heat pipe heat exchanger?

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