的核心元件，冷、热流体的换热发生在板片上，所以它是传热元件，此外它又承受两侧的压力差。 The plate is the core element of the plate heat exchanger. The heat exchange of cold and hot fluid occurs on the plate, so it is a heat transfer element. In addition, it bears the pressure difference on both sides. Since the appearance of plate heat exchangers, various forms of corrugated plates have been conceived in order to obtain corrugated plates with high heat exchange efficiency, low fluid resistance and large pressure bearing capacity.
(A) commonly used forms
The plates are distinguished according to the corrugated geometry. There are corrugated plates such as horizontal flat waves, herringbone waves, and oblique waves. They are distinguished according to the flow of fluid between the plates. There are corrugated plates with tubular flow, band flow, and net flow. sheet.
(II) Special forms In order to meet the needs of various projects, some special plates and special plate heat exchangers have been developed on the basis of traditional plate heat exchangers.
7, wide and narrow channel plates
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