What are the shortcomings of the plate heat exchanger?

What are the shortcomings of the plate heat exchanger:

1. The pressure loss per unit length is large because the gap between the heat transfer surface is small, the heat transfer surface has irregularities, so it is bigger than the pressure loss of the traditional smooth pipe.
2. Work pressure should not be too large, the medium temperature should not be too high, it is possible to leak plate heat exchanger sealed with a gasket, the working pressure should not exceed 2.5MPa, the medium temperature should be below 250 ℃ below, otherwise it may leak.
3. Easy to plug As the inter-board channel is very narrow, generally only 2 ~ 5mm, when the heat transfer medium contains large particles or fiber material, easy to plug the board channel.

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