Slotted impingement plates for heat exchangers
a technology of heat exchangers and impingement plates, which is applied in the direction of heat exchange apparatus, stationary tubular conduit assemblies, light and heating apparatus, etc., can solve the problems of reducing the velocity, causing corrosive environment on the outer surface, and accumulation of fouling on the surface of the tubes, so as to prevent fluid stagnation, enhance fluid flow, and prevent the effect of tube erosion
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[0015]A preferred embodiment of the impingement plate of the invention is illustrated in FIGS. 3-4. For simplicity and clarity, the heat exchanger 10 in FIG. 4 will be shown as having the same housing or shell 20 as in FIGS. 1-2 and also having the same inlets 21A, 21B, outlets 22A, 22B and bundle of tubes 25. As mentioned above, in the present embodiments it is understood that flowing in these tubes 25 is a relatively hot fluid, with heat transfer from the outer surfaces of these tubes 25 to the relatively cooler second fluid flowing from inlets 21A, 21B through the shell housing to outlets 22A, 22B.
[0016]FIGS. 3-4 illustrate in the heat exchanger housing 20, the impingement plate 40 which is generally planar. Although the impingement plate 40 is shown as being rectilinear, other shapes can be used. The impingement plate 40 includes a plurality of openings 45A, 45B through which a portion of the shell-side fluid passes before contacting the tubes. The openings are preferably in the...
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