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What are the main manifestations of leaks in plate heat exchangers?

Release time: 2019.10.29 News source: Zibo Taylor Heat Exchange Equipment Co., Ltd.
The leakage of plate heat exchangers mainly manifests as leakage and leakage. The main parts of the leakage are the sealing place between the plate and the plate, the second sealing leak groove of the plate, and the inside of the end plate and the pressing plate. Large pressure drop: The pressure drop at the inlet and outlet of the medium exceeds the design requirements, and even many times higher than the design value, which seriously affects the system's requirements for flow and temperature. In a heating system, if the hot-side pressure drop is too large, the primary-side flow rate will be seriously insufficient, that is, the heat source is insufficient, resulting in the secondary-side outlet temperature not meeting the requirements. Streak fluid: The main feature is that the medium on the higher pressure side is strung into the medium on the lower pressure side, and abnormal pressure and temperature will occur in the system. If the medium is corrosive, it may also cause corrosion of other equipment in the pipeline. Streaking usually occurs in the diversion area or in the second sealed area. The heating temperature cannot meet the requirements: the main feature is that the outlet temperature is too low to meet the design requirements.

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