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A triangular through-hole heat exchanger with different base lengths

A technology of heat exchangers and isosceles triangles, applied in the direction of heat exchanger types, heat exchanger shells, indirect heat exchangers, etc., can solve problems such as uneven internal pressure, so as to improve service life, fully heat exchange, and improve The effect of heat transfer efficiency

Active Publication Date: 2017-07-28
南京奥优美特压铸技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of the above problems, the present invention provides a new shell-and-tube heat exchanger, so as to solve the problem of uneven internal pressure in the case of heat exchange by heat exchange tubes

Method used

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  • A triangular through-hole heat exchanger with different base lengths
  • A triangular through-hole heat exchanger with different base lengths
  • A triangular through-hole heat exchanger with different base lengths

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Embodiment Construction

[0031] The specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0032] In this article, if there is no special explanation, when involving formulas, " / " means division, and "×" and "*" mean multiplication.

[0033] a heat exchanger such as figure 1 As shown, the heat exchanger includes an upper header 8 and a lower header 9 and heat exchange tubes arranged between the upper and lower headers 8 and 9 . Fins 11 are arranged between the heat exchange tubes. The heat exchanger can be widely used such as automobile heat exchanger, air conditioner heat exchanger and so on.

[0034] like figure 2 As shown, the heat exchange tubes are flat heat exchange tubes, including flat tubes 1 and fins 7, the flat tubes 1 include tube walls 3 and side walls 12 parallel to each other, and the side walls 12 connect parallel tube walls 2, the fluid channel 2 is formed between the side wall 12 and the parallel tube wall...

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Abstract

The invention provides a heat exchanger which comprises two collecting boxes and heat exchange tubes, wherein the heat exchange tubes are arranged between the two collecting boxes; the heat exchange tubes are flat heat exchange tubes; fins are arranged in the flat tubes; the fins comprise inclined parts; a fluid channel is partitioned by the inclined parts into a plurality of small channels; the larger the distance between the flat tubes and an inlet tube is, the larger the lengths h of the bottom sides of the isosceles triangular communication holes in the flat heat exchange tubes are. According to the heat exchanger, as the lengths h of the bottom sides of the isosceles triangular communication holes are changed along with the distance between the flat heat exchange tubes and the inlet tube, fluid can be enabled to flow to the heat exchange tubes with small flow resistance and far away from the inlet tube, the fluid can be uniformly distributed inside the heat exchange tubes, the heat exchange efficiency can be improved, and the service life can be prolonged.

Description

technical field [0001] The invention relates to a heat exchanger, in particular to a shell-and-tube heat exchanger. Background technique [0002] Flat tubes have been widely used in recent years in automotive air conditioning units and in residential or commercial air conditioning heat exchangers. This kind of flat tube is provided with multiple small channels inside, and when in use, the heat exchange fluid flows through the multiple channels in the flat tube. Because the heat exchange area of ​​the flat tube is large, the heat exchange effect can be greatly improved. [0003] In the prior art, there is a problem of uneven flow distribution caused by the distance between the heat exchange tube and the inlet tube. For example, the closer the distance to the inlet tube, the more fluid flow in the heat exchange tube; Fluid flow is less. In the prior art, the flow distribution or pressure distribution components are installed in the header to make the flow distribution in th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F28D1/053F28F3/02F28F9/22
CPCF28D1/0535F28F3/02F28F9/22
Inventor 李轩卓超杰张桀昕王艺昕李烨马玥
Owner 南京奥优美特压铸技术有限公司
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