Heat exchanger, machining method thereof, refrigeration device and mold
A processing method and heat exchanger technology, applied to metal processing equipment, indirect heat exchangers, heat exchange equipment, etc., can solve the problem of large overall thickness of refrigeration equipment, reduction of overall size of refrigeration equipment, and reduction of effective volume ratio of refrigeration equipment and other problems, to achieve the effect of flexible arrangement, simple structure and convenient processing
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specific Embodiment 1
[0165] Such as Figure 1 to Figure 5 As shown, this specific embodiment provides a heat exchanger 100, which includes two rows of adjacently distributed heat exchange tubes, specifically adjacently distributed heat exchange tubes 110A and 110B. The heat exchange tube 110A is equipped with a plurality of fins 120A to form a row of finned tubes, and the heat exchange tube 110B is equipped with a plurality of fins 120B to form another row of finned tubes.
[0166] The wind from the finned tubes enters from the bottom of the heat exchanger 100 and flows out from the top. The fins 120A / 120B of the heat exchanger 100 are relatively sparse in the lower inlet area and denser in the upper part. pitch and / or pitch between fins 120B) is 2-4 times the pitch of the upper fins.
[0167] In the heat exchange tube 110A and the heat exchange tube 110B, the upper fins of each row of tubes adopt U-shaped flaps, and the U-shaped flaps of the two rows of tubes are arranged in reverse, as shown in...
specific Embodiment 2
[0177] Such as Figure 6 to Figure 11 As shown, the difference from the above-mentioned specific embodiment 1 includes: in this specific embodiment, the U-shaped flaps (that is, the fins 120A and the fins 120B) are not connected into a whole long piece, but each straight pipe section is used 111 in the form of a single chip, such as Figure 8 , Figure 9 , Figure 10 , Figure 11 As shown, along the vertical direction, the fins on each straight pipe section 111 are independent U-shaped flaps.
[0178] Wherein, along the vertical direction, the fins 120A on the adjacent straight tube sections 111 of the heat exchange tube 110A are arranged in a row, that is, between the fins 120A of the adjacent straight tube sections 111 of the heat exchange tube 110A, the fins 120A The U-flaps openings generally face the same side.
[0179] Along the up and down direction, the fins 120B on the adjacent straight tube sections 111 of the heat exchange tube 110B are also arranged in a row, ...
specific Embodiment 3
[0183] Such as Figure 12 to Figure 16 As shown, the differences from the above-mentioned specific embodiment 2 include: in this specific embodiment, along the up-down direction, the fins 120A on the adjacent straight pipe section 111 of the heat exchange tube 110A are arranged in the form of reverse arrangement, that is, , the adjacent straight pipe section 111 of the heat exchange tube 110A, the U-shaped flap opening of the fin 120A on one of the straight pipe section 111 faces one side in the axial direction of the straight pipe section 111, and the fin 120A on the other straight pipe section 111 The opening of the U-shaped flap faces to the other side in the axial direction of the straight pipe section 111 .
[0184] In addition, along the up-down direction, the fins 120B on the adjacent straight pipe sections 111 of the heat exchange tube 110B are arranged in the form of reverse arrangement, that is, the adjacent straight pipe sections 111 of the heat exchange tube 110B, ...
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