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How to control the flow velocity at the corner of the plate heat exchanger

The flow rate at the corner of the plate heat exchanger is usually controlled at 6m / s. After the plate corner holes are determined, a series of plates can be confirmed. Different angles are required, and different manufacturers have different plate types. Some I know of a company that has up to 7 boards under a 100mm corner hole, 3 standard sizes, and 2 flow path widths.



As for the size of the individual pieces, my experience is to consider the price while meeting the process requirements. From the cost ratio of single chip area, the bigger the cheaper, but the price of the whole machine must consider the price of the structure, so one should be considered. The unit area is small, the structure price is low, but the unit price is high. Moreover, the area of a single chip is too small, and in addition to occupying a larger area, it is often difficult to achieve placement of a single process board.


Plate heat exchangers are energy efficient and have a high heat transfer coefficient. The heat transfer coefficient can reach 3000-4500kcal / m2.? Ch at the same flow rate, it is more than 3 times that of the shell and tube heat exchanger. The utility model has the advantages of safety and reliability, compact structure, small volume, small footprint, etc., and is about one-fifth of a shell-and-tube heat exchanger having the same heat exchange area. The combination is sensitive and easy to adjust and maintain. Loosen the compression nut for cleaning protection, then replace the backing plate or plate. Plate heat exchanger plates are independent components that can increase or decrease the heat exchange area and process according to user requirements.



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