Tianjin Jinfan Mould Co., Ltd.
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GOLDENSAIL
21
2022
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06
How to choose the right gasketed plate heat exchanger
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The plate type or corrugated type should be determined according to the actual needs of the heat exchange occasion. In the case of large flow and small allowable pressure drop, the plate type with low resistance should be selected, otherwise, the plate type with large resistance should be selected. Depending on the fluid pressure and temperature, determine whether to choose a detachable type or a brazed type. When determining the plate type, it is not appropriate to choose a plate with a small veneer area, so as to avoid too many plates, a small flow rate between the plates, and a low heat transfer coefficient. This problem should be paid more attention to for larger heat exchangers.
The process refers to a group of parallel flow channels in the same flow direction of a medium in the plate heat exchanger, while the flow channel refers to the medium flow channel composed of two adjacent plates in the plate heat exchanger. In general, several flow channels are connected in parallel or in series to form different combinations of cold and hot medium channels.
In the design and selection of plate heat exchangers, there are generally certain requirements for pressure drop, so it should be checked. If the check pressure drop exceeds the allowable pressure drop, the design and selection calculation should be re-calculated until the process requirements are met.
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