Internal leakage problem in heat supply plate heat exchangers – Newbie seeking help! !
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If an internal leak occurs in the water-to-water plate heat exchanger used for heat supply (the plate heat exchanger that connects the primary and secondary networks), how will the parameters such as flow rate, temperature, and pressure at the inlet and outlet ends of the heat exchanger, as well as the flow rate, head, and current of the water pumps (especially those in the secondary network) change?； What changes would occur if it were a steam-water plate heat exchanger? Would the steam be forced into the water side? Would there be pressure fluctuations in the secondary circuit (water side), or would the steam be absorbed by the water at a lower temperature, with only significant changes in temperature, flow rate, etc. on the water side? ； Is it possible for water to get into the steam side?
Internal leakage in plate heat exchangers is mostly caused by perforations in the plates; it has little impact on the flow rates of the fluids on both sides, but there is a significant change in pressure. In soda water heat exchange, since the condensate outlets are mostly in open systems, internal leaks can easily allow the secondary side to enter the primary side, resulting in contamination of the condensate