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Plate heat exchanger layout
Source: Time: 2020-09-24 11:11:06 Hit:
After the pressure plate of the plate heat exchanger is removed, the plate bundle can be loosened and the plates can be removed for mechanical cleaning. Simply changing the heat transfer area or process combination only requires adding plates to reach the required heat transfer area. The price is not high. Under the premise of using the same data, because the layout requires less data, the production cost must be lower than that of the shell-and-tube heat exchanger.
The plate thickness of the light-weight plate heat exchanger is only 0.6~0.8mm, and the thickness of the heat exchange tube of the shell-and-tube heat exchanger is 2.0~2.5mm; the shell of the shell-and-tube heat exchanger has a larger layout than the plate heat exchanger Much heavier. In the case of completing the same heat exchange mission, the heat exchange area required by the plate heat exchanger is higher than that of the heat exchange unit of the shell-and-tube heat exchanger.
The small footprint plate heat exchanger has a compact layout, and the heat exchange area per unit volume is 2 to 5 times that of a shell-and-tube heat exchanger. Unlike the shell-and-tube heat exchanger, there is no need to reserve a controlled maintenance place. Therefore, when completing the same heat exchange mission, the floor space of the plate heat exchanger is about 1/5~1/10 of the shell-and-tube heat exchanger.
The layout of the heat transfer coefficient shell-and-tube heat exchanger is excellent in terms of strength, but it is not ambition from the point of view of heat exchange, because there are baffles—shells and baffles when the fluid moves in the shell side. Bypass between plate-heat exchange tube, pipe-shell. The fluid passing through these bypasses does not fully participate in heat exchange.
In the plate heat exchanger, there is no bypass, and the corrugation of the plate can make the fluid turbulent flow at a small flow rate. Therefore, the plate heat exchanger has a higher heat transfer coefficient, which is usually 3 to 5 times that of the shell-and-tube heat exchanger.
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Tag: plate heat exchange equipment supplier, China plate heat exchange equipment, plate heat exchanger layout
