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High-efficiency evaporation type fin heat exchanger

A finned heat exchanger, evaporative technology, applied in the field of finned heat exchangers, can solve the problem of low energy efficiency of the unit, achieve the effect of improving the heat transfer coefficient, improving the heat transfer coefficient, and reducing production costs

Inactive Publication Date: 2009-04-15
山东奇威特人工环境有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem solved by the invention is to provide a high-efficiency evaporative fin heat exchanger suitable for air-conditioning units, which can not only improve the heat transfer coefficient of liquid refrigerant in the heat dissipation process, but also avoid the problem of relatively low energy efficiency of the unit , and the use of high-efficiency evaporative fin heat exchangers can reduce the production cost of the entire air conditioning unit

Method used

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Embodiment Construction

[0014] Now refer to the attached figure 1 .2 To illustrate selected embodiments of the present invention, the following descriptions of the embodiments of the present invention disclosed by those skilled in the art are only exemplary and not intended to limit the solutions of the present invention.

[0015] Such as figure 1 .2 shows a high-efficiency evaporative fin heat exchanger, including a gas collecting pipe 1, a collecting pipe 2 and an air outlet pipe 7, and one end of the collecting pipe 2 is formed by merging the gas collecting pipe 1 through four circuits, The other end of the collecting pipe 2 is divided into a first branch 4, a second branch 5, and a third branch 6 through a trouser-shaped tee 3, wherein each branch merges into an air outlet pipe after passing through the above four circuits 7. It is confirmed by the experimental operation of this unit that it can improve the operating efficiency of the unit by 20%.

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Abstract

The invention discloses a high-efficiency evaporative fin heat exchanger, comprising a gas-collecting pipe, a collecting pipe and a gas outlet pipe. One end of the collecting pipe is formed by integrating the gas-collecting pipe through a plurality of loops and a plurality of branches derive from the other end of the collecting pipe and each branch is communicated with the plurality of loops to be integrated into the vent pipe. For the high-efficiency evaporative fin heat exchanger provided by the invention, the liquid refrigerant is converted into gaseous refrigerant in the fin heat exchanger; the mass velocity of the refrigerant is maintained but the volume velocity changes along with the changing of the refrigerant density during the process; the liquid refrigerant is converted into gaseous refrigerant under heat-absorbing in the evaporative fin heat exchanger; as the enlarging of the specific gravity of the gaseous refrigerant, the volume velocity of refrigerant rises gradually; when the specific gravity of the gaseous refrigerant occupies three loops, the conversion is finished through a pant-type three-way; and the heat transmission coefficient is enhanced and the increase of one loop occupied by refrigerant reduces the manufacturing cost of the unit while the specific gravity of the gaseous refrigerant rises.

Description

(1) Technical field [0001] The invention relates to the technical field of fin heat exchangers, in particular to a high-efficiency evaporative fin heat exchanger suitable for air-conditioning units. (2) Background technology [0002] Conventional evaporative fin heat exchangers adopt a multi-input and multi-outlet method. The flow resistance loss of the refrigerant during the evaporation process in the heat exchanger is uneven, and the flow volume flow rate of liquid refrigerant and gaseous refrigerant in the heat exchange tube is very different. , causing the heat transfer coefficient of the liquid refrigerant in the heat exchange tube to be greatly reduced. (3) Contents of the invention [0003] The technical problem solved by the invention is to provide a high-efficiency evaporative fin heat exchanger suitable for air-conditioning units, which can not only improve the heat transfer coefficient of liquid refrigerant in the heat dissipation process, but also avoid the pro...

Claims

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Application Information

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IPC IPC(8): F25B39/02
Inventor 杨传仕
Owner 山东奇威特人工环境有限公司
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