Spray reinforcing low-finned tube indirect evaporative cooler

An evaporative cooler, indirect technology, applied in indirect heat exchangers, tubular elements, heat exchanger types, etc., to achieve the effect of improving heat and mass transfer, strengthening heat transfer, and increasing contact time

Inactive Publication Date: 2010-09-01
XI'AN POLYTECHNIC UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the tubular indirect evaporative cooler also has its own disadvantages, such as low heat transfer efficiency, large heat exchanger size, etc.

Method used

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  • Spray reinforcing low-finned tube indirect evaporative cooler
  • Spray reinforcing low-finned tube indirect evaporative cooler
  • Spray reinforcing low-finned tube indirect evaporative cooler

Examples

Experimental program
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Embodiment Construction

[0025] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0026] The structure of the spray-enhanced low-fin tube type indirect evaporative cooler of the present invention is as follows: figure 1 As shown, the secondary fan 1, the water retaining filler 2, the heat exchange tube group composed of multiple heat exchange tubes 3 placed horizontally in multiple rows and rows, the spray water pipe 9 and the water tank 5 are arranged in sequence from top to bottom, and the replacement The radial direction of the heat pipe 3 is consistent with the flow direction of the primary air that enters horizontally, and the air inlet faces of the secondary air are respectively set in four directions between the spray water pipe 9 and the water tank 5, and the air inlet faces are two by two. Symmetrical arrangement. The spraying water pipe 9 is provided with a plurality of downward spraying nozzles 4, and also inc...

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PUM

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Abstract

The invention discloses a spray reinforcing low-finned tube indirect evaporative cooler which comprises a secondary air fan, water retaining material, a heat exchange tube group formed by a plurality of rows and lines parallel heat exchange tubes, a spray water pipe and a water tank that are sequentially arranged from top to bottom, wherein the radial direction of the arranged heat exchange tubes is the same as the flowing direction of horizontally entering primary air; air inlet surfaces of the secondary air are respectively arranged along the four directions between the spray water pipe and the water tank; the spray water pipe is provided with a plurality of spray heads spraying downwards; and the indirect evaporative cooler also comprises a circulating water pump which is communicated with the water tank and the spray water pipe by a pipeline. The tube indirect evaporative cooler uses the indirect evaporative cooling technology, and improves the heat transfer and mass transfer effects of the tube indirect evaporative cooler by the optimization design of structure.

Description

technical field [0001] The invention belongs to the technical field of air-conditioning equipment, and in particular relates to a spray-enhanced low-fin tube-type indirect evaporative cooler. [0002] Background technique [0003] Indirect evaporative coolers are mainly divided into three basic forms: plate-fin indirect evaporative coolers, tube indirect evaporative coolers and heat pipe indirect evaporative coolers. At present, plate-fin indirect evaporative coolers are widely used, but due to the narrow flow channel of this heat exchanger, fouling and blockage are prone to occur in the flow channel, which increases the resistance in the flow channel, thus making the heat exchange of the heat exchanger more difficult. Thermal efficiency is reduced. Heat pipe indirect evaporative coolers are rarely used due to factors such as high initial investment and restrictions on installation locations. The tube-type indirect evaporative cooler has uniform water distribution, wide fl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F28D5/00F28D5/02F28F1/24
Inventor 黄翔王伟孙铁柱李成成
Owner XI'AN POLYTECHNIC UNIVERSITY
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