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GOLDENSAIL
26
2022
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09
Gasket structure characteristics of gasketed plate and frame heat exchangers
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Plate heat exchanger gaskets can be divided into 3 forms according to the installation method on the heat exchange plate
(1) Direct paste type, that is, after applying sealant on the sealing gasket, it is directly attached to the installation groove of the heat exchange plate.
(2) Rubber nail inlay type, that is, the assembly hole is designed on the heat exchange plate, and the rubber nail is designed on the edge of the sealing gasket. After the sealing gasket is placed in the installation groove, the rubber nail is embedded in the assembly hole.
(3) Buckle type, that is, there are buckle nails on the edge of the sealing gasket, and the sealing gasket is buckled on the heat exchange plate with the buckle nails. For the above three methods, the stick-type gasket has a simple structure and is the easiest to process, but it is relatively troublesome to install and disassemble. Inlaid and snap-fit gaskets have complex structures and are more troublesome to process, but are relatively easy to install and disassemble. Plate heat exchanger gaskets are divided into symmetrical and asymmetrical shapes according to the cross-sectional shape of the product. Symmetrical shapes are generally used for plates with diagonal flow. The asymmetric ground is a flat surface, and the upper sealing surface can be a flat surface, a curved surface, an inclined surface, and the like.
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