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Features of detachable plate heat exchanger2

Views:0     Author:Site Editor     Publish Time: 2020-08-19      Origin:Site

5. Light weight;

    The plate thickness of the plate heat exchanger is only 0.4~0.8mm, while the thickness of the heat exchange tube of the shell-and-tube heat exchanger is 2.0~2.5mm. The shell-and-tube shell is much heavier than the frame of the plate heat exchanger , The plate heat exchanger is generally only about 1/5 of the weight of the shell and tube type.

 

6. The price is low;

    Using the same material, under the same heat exchange area, the price of the plate heat exchanger is about 40% to 60% lower than that of the shell and tube type.


7. Easy to make;

    The heat transfer plate of the plate heat exchanger is processed by stamping, which has a high degree of standardization and can be mass-produced. The shell-and-tube heat exchanger is generally made by welding.


8. Easy to clean;

    The frame type plate heat exchanger only needs to loosen the compression bolts to loosen the plate bundle and remove the plates for mechanical cleaning. This is very convenient for the heat exchange process that requires frequent cleaning of the equipment.


9 Small heat loss;

    Only the shell plate of the heat transfer plate of the plate heat exchanger is exposed to the atmosphere, so the heat dissipation loss is negligible, and no heat preservation measures are required. The shell-and-tube heat exchanger has a large heat loss and requires an insulation layer.


10. Smaller capacity;

    It is about 10%-20% of the shell-and-tube heat exchanger.


11. Large pressure loss per unit length;

    Due to the small gap between the heat transfer surfaces and the unevenness on the heat transfer surface, the pressure loss is greater than that of the traditional smooth tube.


12. Not easy to scale;

    Since the interior is fully turbulent, it is not easy to scale, and its scale coefficient is only 1/3~1/10 of the shell-and-tube heat exchanger.


13. The working pressure should not be too high, the medium temperature should not be too high, and leakage may occur;

    The plate heat exchanger is sealed with a gasket. The working pressure should not exceed 2.5MPa. The temperature of the medium should be below 250℃, otherwise it may leak.


14. Easy to block;

    Since the passage between the plates is very narrow, generally only 2~5mm, when the heat exchange medium contains larger particles or fibrous substances, it is easy to block the passage between the plates.



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