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Diagnosis and Treatment of Common Operating Failures of Plate Heat Exchangers

Diagnosis and Treatment of Common Operating Failures of Plate Heat Exchangers

(Summary description)If the newly put into production plate heat exchanger fails to meet the process requirements, it should carefully check whether the original design parameters, design calculation, assembly, etc.

Diagnosis and Treatment of Common Operating Failures of Plate Heat Exchangers

(Summary description)If the newly put into production plate heat exchanger fails to meet the process requirements, it should carefully check whether the original design parameters, design calculation, assembly, etc.

Information

1. If the newly put into production plate heat exchanger fails to meet the process requirements, it should carefully check whether the original design parameters, design calculation, assembly, etc. are correct, and then decide whether to increase or decrease the heat exchange area and change the process combination.

plate heat exchanger gasket

2. If the plate heat exchanger starts to operate normally, after a period of operation, it deviates from the process requirements, such as: the pressure drop increases or decreases; the temperature of the medium outlet increases or decreases.

The way to deal with this failure is to:

1. Check whether the inlet parameters of the cold and hot medium are consistent with the original design values. If it does not match, try to adjust to the original design value. If the inlet parameters have been changed and cannot be adjusted to the original design value, the design calculation should be re-calculated to decide to increase or decrease the heat exchange area or change the process combination.

2. If the inlet parameters of the cold and hot media are consistent with the original design values, but the outlet parameters cannot reach the design values, the machine should be shut down, disassembled to check whether there is blockage or scaling between the plates, etc., and deal with it in time.

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Time of issue:2020-02-11 00:00:00

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