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Aluminum alloy internal and external double-sealed plate fin heat exchanger

An aluminum alloy, double-seal technology, applied in the direction of heat exchanger types, heat exchanger shells, indirect heat exchangers, etc., can solve problems such as cracks, deformation, leakage, etc., to increase the connection area, improve the connection strength, and improve The effect of tightness

Inactive Publication Date: 2019-10-15
爱克普换热器(无锡)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the sealing of this heat exchanger depends entirely on the welding between the plates, and the welding is at a 90-degree angle, so it is prone to deformation and cracks under high pressure, resulting in liquid leakage

Method used

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  • Aluminum alloy internal and external double-sealed plate fin heat exchanger
  • Aluminum alloy internal and external double-sealed plate fin heat exchanger
  • Aluminum alloy internal and external double-sealed plate fin heat exchanger

Examples

Experimental program
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Effect test

Embodiment 1

[0039] Example 1: An aluminum alloy inner and outer double-sealed plate-fin heat exchanger, such as figure 1 , figure 2 and image 3, including an upper shell 1, a lower shell 2, and several heat exchange units 3 located between the upper shell 1 and the lower shell 2, the several heat exchange units 3 are distributed along the vertical direction, and the heat exchange unit 3 includes two Heat plate 31, when two adjacent heat exchange plates 31 are spliced ​​together, an outer cavity 32 and an inner cavity 33 will be formed, and the outer cavity 32 surrounds the inner cavity 33, several heat exchange units 3 are stacked and two adjacent heat exchangers In the heat unit 3, the outer cavity 32 of one of the heat exchange units 3 communicates with the inner cavity 33 of the other heat exchange unit 3. At this time, the two outer cavities 32 of two adjacent heat exchange units 3 are arranged alternately, so that all The heat exchange unit 3 forms a liquid inlet channel 4 and a ...

Embodiment 2

[0046] Example 2: An aluminum alloy inner and outer double-sealed plate-fin heat exchanger, the difference from Example 1 is that, as Image 6 , Figure 7 and Figure 8 , the lower shell 2 is provided with an auxiliary sealing plate 9 arranged around the heat exchange unit 3, the end of the auxiliary sealing plate 9 away from the lower shell 2 is connected to the periphery of the upper shell 1, and the auxiliary sealing plate 9 is composed of four unit plates 91 , the four unit plates 91 are respectively located on the four sides of the heat exchange unit 3 and have gaps with the heat exchange unit 3 , the four sides of the unit plates 91 are provided with connecting plates 92 facing away from the heat exchange unit 3 , and the connecting plates 92 face outward A heat-resistant sealing gasket 94 is embedded on one side, and the connecting plates 92 on two adjacent unit plates 91 are attached to each other and fixed by bolts 93. The unit plate 91 and the upper shell 1 and the ...

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Abstract

The invention discloses an aluminum alloy internal and external double-sealed plate fin heat exchanger. The aluminum alloy internal and external double-sealed plate fin heat exchanger is applied to the field of heat exchangers. The aluminum alloy internal and external double-sealed plate fin heat exchanger comprises an upper shell, a lower shell and a plurality of heat exchange units positioned between the upper shell and the lower shell, wherein the heat exchange units are distributed in the vertical direction; each heat exchange unit comprises a the heat exchange plate; two adjacent heat exchange plates are mutually spliced to form an outer cavity and an inner cavity, a first edge sealing is formed at the edge of each outer cavity of the two heat exchange plates; and a second edge sealing is formed at the edge of each inner cavity of the two heat exchange plates, each first edge sealing is arranged outwards, and each second edge sealing is arranged inwards. The aluminum alloy internal and external double-sealed plate fin heat exchanger has the technical effects that the double-sealed mode is formed by the first sealing edges and the second sealing edges, therefore, the integral sealing performance of the heat exchanger is greatly improved, so that the possibility of liquid leakage caused by cracks on the connecting surface between the two heat exchange plates under the actionof excessive hydraulic pressure is reduced.

Description

technical field [0001] The invention relates to the field of heat exchangers, in particular to an aluminum alloy inner and outer double-sealed plate-fin heat exchanger. Background technique [0002] Plate-fin heat exchangers are usually composed of partitions, fins, seals, and guide fins. Fins, deflectors and seals are placed between two adjacent partitions to form an interlayer, which is called a channel. Such interlayers are stacked according to different fluid methods and brazed into a whole to form a plate bundle. The plate bundle is a plate. The core of the finned heat exchanger. [0003] The Chinese patent with the notification number CN204286173U discloses a serrated corrugated fin plate-fin heat exchanger, which consists of a heat exchange core, a head and a fluid inlet and outlet connection. The heat exchange core is composed of several basic flow channel units and Composed of end plates on both sides, each basic flow channel unit is composed of heat exchange fins...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F28D9/00F28F3/10F28F9/26
CPCF28D9/005F28F3/10F28F9/26
Inventor 殷泽兴
Owner 爱克普换热器(无锡)有限公司