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Finned tubular heat exchanger

A finned tube heat exchanger technology, applied in the direction of evaporator/condenser, lighting and heating equipment, refrigeration components, etc., can solve the problems of uneven air flow, high power consumption, uneven heat transfer coefficient, etc., to achieve small size effect

Inactive Publication Date: 2014-05-07
HENAN MECHANICAL & ELECTRICAL ENG COLLEGE
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The disadvantage of this structure is that the air flow of the axial flow aircraft is uneven, resulting in uneven heat transfer coefficient, resulting in low heat exchange efficiency of the heat exchanger core and high power consumption

Method used

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Embodiment Construction

[0008] The outdoor unit (condenser) of the household air conditioner generally makes the core of the condenser into an L-shaped or U-shaped structure in order to reduce the size of the condenser. Due to the defects of uneven heat transfer and low heat transfer efficiency of the heat exchanger fins, the present invention adopts a circular structure heat exchanger core, which has a uniform contact with the fan and higher heat transfer efficiency. smaller in size. Since the two ends of the heat exchange core need to be provided with the head and the inlet and outlet pipe joints 1 and 2 of the refrigerant medium, the above-mentioned circular heat exchanger core cannot be a closed circle, but an open circle. The fin 4 can be a single row of holes (see figure), which is easier to bend, or it can be a double row of holes, but it is relatively difficult to bend. figure 1 The given open circular fin 4 tube heat exchanger core 5 is composed of four open circular fin tube heat exchanger...

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Abstract

The invention discloses a finned tubular heat exchanger. The finned tubular heat exchanger comprises a finned tubular heat exchanger core body, wherein the finned tubular heat exchanger core body is of open round structure, and the round end face of the finned tubular heat exchanger core body is opposite to an air inlet of an axial flow fan. A fin of the finned tubular heat exchanger is a fin with a single row of holes. The opening round finned tubular heat exchanger core body is a multilayer finned tube. The finned tubular heat exchanger has the outstanding advantages of being small in size and high in heat efficiency, and saving energy.

Description

[0001] Technical field: [0002] The invention relates to heat exchange technology, in particular to a finned tube heat exchanger. Background technique: [0003] The condenser of the household air conditioner generally adopts a finned tube heat exchanger core, and the fan adopts an axial flow fan. In order to reduce the volume of the condenser core and save space, an L-shaped or U-shaped structure is often used. . The disadvantage of this structure is that the air flow of the axial flow aircraft is uneven, resulting in uneven heat transfer coefficient, resulting in low heat exchange efficiency of the heat exchanger core and high power consumption. Invention content: [0004] The purpose of the present invention is to provide a finned tube heat exchanger with high heat exchange efficiency and good energy saving effect. [0005] The technical solution to achieve the purpose of the present invention is a finned tube heat exchanger, including a finned tube heat exchanger cor...

Claims

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Application Information

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IPC IPC(8): F25B39/04
Inventor 李好学李建雄冯秀芳刘国华王振艳郭岩王任远
Owner HENAN MECHANICAL & ELECTRICAL ENG COLLEGE