Since the plate and shell heat exchanger is closed, many people do not know what the flow of the internal medium is. In fact, the flow method also greatly affects the scope of heat exchange. So, what are the main heat exchange methods of fluid medium inside the plate and shell heat exchanger?
There are three main flow modes of fluid medium in the plate and shell heat exchanger. They are countercurrent, cocurrent and crossflow.
1. Counter-flow.
This is the most common process configuration method.
2. Cross-flow.
It is suitable for the primary and secondary side to reduce resistance.
3. Co-current flow.
Suitable for the largest temperature difference between import and export, to avoid excessive temperature
Through the above three flow methods, the application range of the plate and shell heat exchanger is increased, and because of its high temperature resistance, high pressure resistance and high safety performance, it can be flexibly used in various working conditions, and the application The wider.
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Joey Wong
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Food grade plate heat exchanger
Plate And Shell Heat Exchanger