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Heat transfer principle of spiral plate heat exchanger
Apr 19, 2020

For heat transfer of the two media, if both are liquid, in the spiral plate heat exchanger in the flow channel to follow the reverse flow. The so-called countercurrent refers to the two kinds of liquids in the two adjacent flow channels for heat transfer, flowing in opposite directions along the spiral flow channel, so as to make the two fluid media always maintain a certain temperature difference, so as to achieve the heat transfer effect.

 

For two kinds of medium heat transfer, one a liquid, the other is a gas, they in the spiral plate heat exchanger to flow in the cross-flow way, namely liquid along the direction of the spiral flow in the heat exchanger, and gas directly through the heat exchanger of axis, this is mainly considering the characteristics of the gas, gas generally require large flow, small resistance, or have a plenty of for steam condensation, so don't usually make gas along the direction of the spiral flow.

 

Helical plate heat exchanger is strictly prohibited to be carried out in the state of overtemperature and overpressure, once the pressure and temperature exceed the designed value; Weld cracks, bubbling, deformation, leakage or other abnormal phenomena immediately stop the operation.

 

Heat transfer principle of spiral plate heat exchanger:

 

For heat transfer of the two media, if both are liquid, in the spiral plate heat exchanger in the flow channel to follow the reverse flow. The so-called countercurrent refers to the two kinds of liquids in the two adjacent flow channels for heat transfer, flowing in opposite directions along the spiral flow channel, so as to make the two fluid media always maintain a certain temperature difference, so as to achieve the heat transfer effect.

 

For two kinds of medium heat transfer, one a liquid, the other is a gas, they in the spiral plate heat exchanger to flow in the cross-flow way, namely liquid along the direction of the spiral flow in the heat exchanger, and gas directly through the heat exchanger of axis, this is mainly considering the characteristics of the gas, gas generally require large flow, small resistance, or have a plenty of for steam condensation, so don't usually make gas along the direction of the spiral flow

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