Shandong Zhilin Environmental Protection Technology Co., Ltd.

What are the advantages of plate heat exchangers?

Release time:

2020-06-06 11:15

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What are the advantages of plate heat exchangers? The main reason for their popularity is that they are easy to clean, lightweight, have a small footprint, and are inexpensive, making them popular in many industries. The ease of cleaning is due to the fact that the tightening plates of the plate heat exchanger can be removed, allowing the plate pack to be loosened and the plates removed for mechanical cleaning. Modifying the heat transfer area or flow arrangement only requires adding (or removing) plates to achieve the desired increase (or decrease) in heat transfer area.

What are the advantages of plate heat exchangers? The main reason for their popularity is their ease of cleaning, light weight, small footprint, and low price, making them favored in many industries. Let's take a closer look. Ease of Cleaning: After removing the tightening plates of a plate heat exchanger, the plate pack can be loosened and the plates removed for mechanical cleaning. Simple changes to the heat transfer area or flow arrangement only require adding (or removing) plates to achieve the desired heat transfer area. Lightweight: The plate thickness of a plate heat exchanger is only 0.6~0.8mm, while the heat transfer tube thickness of a shell and tube heat exchanger is 2.0~2.5mm; the shell of a shell and tube heat exchanger is much heavier than the structure of a plate heat exchanger. For the same heat transfer task, the heat transfer area required for a plate heat exchanger is smaller than that of a shell and tube heat exchanger. Small Footprint: Plate heat exchangers have a compact structure, with a heat transfer area 2~5 times that of shell and tube heat exchangers per unit volume. They also don't require the space needed for tube extraction maintenance like shell and tube heat exchangers. Therefore, for the same heat transfer task, the floor space of a plate heat exchanger is about 1/5~1/10 that of a shell and tube heat exchanger. High Heat Transfer Coefficient: The structure of a shell and tube heat exchanger is excellent in terms of strength, but not ideal from a heat transfer perspective, as the fluid flowing in the shell side has bypasses between the baffle—shell, baffle—heat transfer tube, and tube—shell. The fluid passing through these bypasses does not fully participate in heat transfer. In a plate heat exchanger, there are no bypasses, and the corrugations of the plates cause turbulent flow at lower flow rates. Therefore, plate heat exchangers have a higher heat transfer coefficient, typically 3~5 times that of shell and tube heat exchangers. Low Price: Under the same material conditions, the structure requires less material, so the production cost is lower than that of shell and tube heat exchangers. The above is an introduction to the advantages of plate heat exchangers from our plate heat exchanger manufacturer. We hope this information is helpful. If you want to learn more, please call our hotline, and we will provide you with more professional services.

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