A heat exchanger core
A technology for heat exchangers and cores, applied in heat exchange equipment, lighting and heating equipment, damage protection, etc., can solve the problems of high cleanliness of fluid working fluid, reduced service life of heat exchangers, fouling, etc. Achieve the effect of solving the problem of easy fouling or blockage caused by excessive particle diameter in the working medium, reducing requirements, and reducing the cleanliness of the fluid working medium
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Embodiment 1
[0048] combine Figure 1-4 , the present embodiment provides a core of a heat exchanger, including an etched plate 1, a forming plate 2 and a partition 3; the etched plate 1 is etched with heat exchange channels 11; It is composed of the elliptical flow channel 112, wherein: the straight flow channel 111 communicates with the elliptical flow channel 112; the major axis of the elliptical flow channel 112 is on the same straight line as the central axis of the straight flow channel 111 along the liquid flow direction; n etching Plates 1 and m forming plates 2 are placed alternately, where n≥1, m≥1, m and n are both positive integers; a partition 3 is provided between the etched surface of the adjacent etched plate 1 and the forming plate 2 . Both m and n are 1.
[0049] The multiple straight channels 111 and the elliptical channels 112 form a tapering and expanding structure.
[0050] One side of the etched plate 1 is etched with a heat exchange channel 11 . The elliptical fl...
Embodiment 2
[0058] The direct-flow channel 111 is a parallel channel with a width of 2 mm; the oval flow channel 112 has a long axis of 10 mm and a short axis of 4 mm; the distance between the centers of two adjacent oval flow channels 112 is 15 mm; The distance between the central axes of the heat exchange channels 11 along the fluid flow direction is 3 mm.
Embodiment 3
[0060] The straight-flow channel 111 is a parallel channel with a width of 10 mm; the major axis of the oval channel 112 is 30 mm, and the minor axis is 15 mm; the distance between the centers of two adjacent oval channels 112 is 50 mm; the adjacent The distance between the central axes of the two heat exchange channels 11 along the fluid flow direction is 15 mm.
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