The designed flow rate for the heat exchanger is 300, while the actual flow rate is 280; the difference isn’t significant. However, the cooling effect is very poor. What is the reason for this?

2016-12-08View Original

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The heat exchanger has been in use for just a month since its maintenance, but it was found to have a very poor cooling effect. Flow monitoring showed that the water volume was 280, and this volume did not decrease; yet the cooling effect remained extremely poor. It is a 4-pass plate-type circulating water heat exchanger

Reply #22016-12-09

Is the circulating water dirty, or is there a blockage?

Reply #32016-12-13

Measure the return water temperature this time, check the COD of the return water, and take a sample from the shell side as well

Reply #42016-12-17

I work on physical scale removal equipment, which can solve problems related to heat exchange in circulating water

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The designed flow rate for the heat exchanger is 300, while the actual flow rate is 280; the difference isn’t significant. However, the cooling effect is very poor. What is the reason for this?

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