Please tell me what type of heat exchanger is best for gas-to-gas heat exchange?
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This post was last written by Mr_Kelen_Edited by FEGJ on 2017-12-22 08:53 The hot side fluid is the tail gas after sludge drying, which contains a large amount of steam, air and steam are mixed. The cold side fluid is circulating air. Please give me some advice as to whether it is better to use plate type or finned tube type, or other better options.: Hot side fluid temperature 105→85℃, flow rate 5000kg/h, containing 3000kg/h steam, cold side fluid 40→90℃, circulating air volume 60000kg/h
Fully welded is a finned plate heat exchanger. Small size, high efficiency, easy to clean and maintain.
It still depends on how much heat exchange is required. If it is not very large, the plate type will have no advantage. Moreover, this is condensation, so the plate type may not be easy to use.
Supplementary data, please take a look
What is the system pressure? This data is very critical. The latent heat of vaporization of water is very high.