Non-welded plate type heat exchanger
A plate heat exchanger, non-welding technology, applied in the direction of indirect heat exchanger, heat exchanger type, fixed plate conduit assembly, etc., can solve the problems of complex manufacturing process, poor heat transfer efficiency, complex structure, etc., and achieve simple structure Compactness, improved service life, and good heat transfer performance
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Embodiment 1
[0028] Embodiment 1: A non-welded plate heat exchanger, consisting of a plurality of heat exchange plates 1 placed up and down staggered to form a plurality of fluid channels, the openings of the adjacent fluid channels in the plurality of fluid channels are staggered by 90°, respectively A hot fluid channel and a cold fluid channel are formed; the hot fluid channel has a hot fluid inlet flange 7 and a hot fluid outlet flange 8, and the cold fluid channel has a cold fluid inlet flange 9 and a cold fluid outlet flange 10; the heat exchange plate Sheet 1 is made of rectangular stainless steel sheet. The above-mentioned components are located in the frame welded by the upper cover plate 11 , the lower cover plate 12 and the column 6 . A sealing gasket 5 is placed between the folded fins of the adjacent upper and lower heat exchange plates 1, and the sealing gasket 5 is a flexible graphite plate; an elastic bead 3 is arranged between two adjacent heat exchange plates , the elasti...
Embodiment 2
[0033] The heat exchange plates 1 are made of rectangular aluminum plates.
[0034] The sealing gasket 5 placed between the hemming fins of the adjacent upper and lower heat exchange plates 1 is a ceramic fiber sealing gasket.
[0035] All the other technical solutions are the same as in Example 1.
Embodiment 3
[0037] The heat exchange plate 1 adopts the structure of coating a layer of enamel on the surface of the metal plate, so as to achieve the purpose of anticorrosion.
[0038] The heat exchange plate 1 can also be a metal plate with corrugations processed on the plate surface, so as to achieve the purpose of improving heat transfer efficiency.
[0039] Several turbulent elements are arranged between the heat exchange plates, so as to achieve the purpose of improving heat transfer efficiency. The turbulence element is a cross sawtooth belt and twisted iron.
[0040] All the other technical solutions are the same as in Example 1.
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