Novel heat exchanger core
A heat exchanger and core technology, used in heat exchange equipment, lighting and heating equipment, damage protection and other directions, can solve the problems of reducing the service life of heat exchangers, high requirements for fluid working fluid cleanliness, scaling, etc. Achieve the effect of reducing requirements, solving the requirements of easy scaling or blockage due to excessive particle diameter in the working medium, and reducing the cleanliness of the fluid working medium
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Embodiment 1
[0048] combine Figure 1-4 , this embodiment provides a new type of heat exchanger core, including an etched plate 1, a forming plate 2 and a partition 3; the etched plate 1 is etched with heat exchange flow channels 11; the heat exchange flow channels 11 are composed of alternately arranged straight channels 111 and elliptical channel 112, wherein: the straight channel 111 communicates with the elliptical channel 112; the major axis of the elliptical channel 112 and the central axis of the direct channel 111 along the liquid flow direction are on the same straight line; n Etched plates 1 and m shaped plates 2 are placed alternately, where n≥1, m≥1, m and n are both positive integers; partitions 3 are provided between the etched surfaces of adjacent etched plates 1 and formed plates 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...
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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