Comparison between tubular heat exchangers and plate heat exchangers
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What are the advantages and disadvantages of tubular heat exchangers compared to plate heat exchangers?
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Plate heat exchangers offer good heat transfer efficiency and require little space; their structure is not complicated. However, they have poor pressure resistance – a pressure of 40 kilograms is basically the limit. There are also special plate-and-shell types that provide better pressure resistance, but their manufacturing process is complex； Although tubular types are prone to scaling, there are many acids-resistant tube materials available, such as PTFE, SiC, glass, etc., and tubular heat exchangers offer good pressure resistance inside the tubes.
Plate heat exchangers offer good heat transfer efficiency and require little space; their structure is not complicated. However, they have poor pressure resistance – a pressure of 40 kilograms is basically the limit. There are also special plate-and-shell types that provide better pressure resistance, but their manufacturing process is complex； Although tubular types are prone to scaling, there are many acids-resistant tube materials available, such as PTFE, SiC, glass, etc., and tubular heat exchangers offer good pressure resistance inside the tubes.