Surface evaporation air cooler heat transfer pipe bundle having membrane expanding plate

A technology of evaporative air cooling and heat exchange tube bundles, which is applied in indirect heat exchangers, heat exchanger types, heat exchanger shells, etc., and can solve problems such as the need to improve the efficiency of evaporation heat transfer

Inactive Publication Date: 2007-08-08
HUAZHONG UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

From this analysis point of view, the evaporation capacity and heat transfer efficiency

Method used

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  • Surface evaporation air cooler heat transfer pipe bundle having membrane expanding plate

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Embodiment Construction

[0011] Embodiments of the present invention will be described below in conjunction with the accompanying drawings.

[0012] Figure 1 shows the position of the film-added plate in the heat exchange tube bundle. The tube box 5 is fixedly connected with the tube plate 2; the heat exchange light tube 3 communicates with the tube box 5; the heat exchange light tube 3 is fixed on the tube plate 2 (the fixing method is not shown in the figure, which is conventional); the heat exchange light tube Longer, in order to prevent it from deflecting under the action of gravity, a support plate 1 is added in the middle; the light heat exchange tube passes through the tube hole on the support plate.

[0013] The film-added plate 4 is directly below the upper heat exchange light pipe and directly above the lower heat exchange light pipe. There is a reasonable gap between the film-added plate and the upper and lower heat exchange light tubes, so as not to affect the tube penetration operation d...

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PUM

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Abstract

A surface evaporating air cooler heat exchange tube with membrane plate can improve the water membrane area and improve the evaporation heat transmission, without significant wind resistance. The invention comprises a tubular box, a tubular plate, a support plate and a heat exchange light tube, wherein, the heat exchange light tube is through the tubular hole of support plate, to be fixed on the tubular plate at the side of tubular box; the support plates, the support plate and the tubular plate have membrane plates fixed between them; the membrane plate is under the upper heat exchange light tube; and above the lower heat exchange light tube, the central line of long edge of membrane plate is parallel with the axles of upper and lower relative heat exchange light tubes. The invention can improve the area of water membrane, strengthen the evaporation, and transmit energy outwards quickly.

Description

technical field [0001] The invention belongs to components of surface evaporative air coolers, in particular to heat exchange tube bundles of surface evaporative air coolers. Background technique [0002] The surface evaporative air cooler (hereinafter referred to as evaporative air cooler) of patent No. ZL96200559.2 is a high-efficiency air cooler, in which the heat exchange tubes of the heat exchange tube bundle are generally bare tubes. The spray water easily forms a water film on the surface of the light pipe, which is conducive to evaporation, and the light pipe has small wind resistance and is easy to manufacture and install. Water film evaporation is a phase change process, which absorbs a large amount of heat from the medium in the tube, thereby greatly reducing the temperature of the medium in the tube. [0003] Part of the heat transferred from the heat medium in the heat exchange tube turns the spray water into steam and is drawn out of the air cooler by the indu...

Claims

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Application Information

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IPC IPC(8): F28D5/02F28F9/00
Inventor 陈良才王军
Owner HUAZHONG UNIV OF SCI & TECH
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