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Air cooler water film cooling strengthening device and method

A technology for strengthening devices and air coolers, applied in the direction of heat exchangers, indirect heat exchangers, heat exchange equipment, etc., can solve the problems of low utilization rate of latent heat and poor heat exchange efficiency, and achieve simple structure, high cooling efficiency, Enhance the effect of water film vaporization

Pending Publication Date: 2022-03-25
HEBEI IRON AND STEEL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, at present, the closed air cooler mainly relies on spraying water for sensible heat exchange, the latent heat utilization rate is low, and the heat exchange efficiency is generally poor.

Method used

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  • Air cooler water film cooling strengthening device and method
  • Air cooler water film cooling strengthening device and method
  • Air cooler water film cooling strengthening device and method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Embodiment 1: The water film cooling strengthening method of the air cooler adopts the following specific processes.

[0035] Adjust the angle between the whole channel 1 of the cooled medium and the horizontal plane to 30°, the wind speed of the film distribution process and the water film vaporization process are 0.5m / s and 2m / s respectively, the film distribution process: the water film vaporization time-to-length ratio = 1:3, and the inner angle of the corrugation 160°; at the same time, set up a conventional horizontal light tube air cooler as a comparison, and keep the air volume, water distribution volume, water inlet water volume and water temperature consistent with the system, and record the temperature of the water inlet and water outlet detectors in Table 1.

Embodiment 2

[0036] Embodiment 2: The method for strengthening the water film cooling of the air cooler adopts the following specific processes.

[0037] Adjust the angle between the whole channel of the cooled medium and the horizontal plane to 45°. The wind speeds of the film distribution process and the water film vaporization process are 0.5m / s and 2m / s respectively. °; At the same time, a conventional horizontal light tube air cooler was set as a control, and the air volume, water distribution volume, water intake volume and water temperature were consistent with the system, and the temperature of the water inlet and water outlet detectors was recorded at the same time, see Table 1.

Embodiment 3

[0038] Embodiment 3: The water film cooling strengthening method of the air cooler adopts the following specific processes.

[0039] Adjust the angle between the whole channel of the cooled medium and the horizontal plane to 60°. The wind speeds of the film distribution process and the water film vaporization process are 0.5m / s and 2m / s respectively. °; At the same time, a conventional horizontal light tube air cooler was set as a control, and the air volume, water distribution volume, water intake volume and water temperature were consistent with the system, and the temperature of the water inlet and water outlet detectors was recorded at the same time, see Table 1.

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Abstract

The invention discloses an air cooler water film cooling strengthening device and method. The air cooler water film cooling strengthening device comprises a pipe bundle, a hanging template, a water pool, an atomizer and an airflow guide plate. The tube bundle is obliquely arranged above the water tank; the multiple hanging templates are arranged in parallel at intervals, and the tube bundle penetrates through the hanging templates. An atomizer is arranged in the water tank; the airflow guide plate is arranged among the tube bundle, the hanging template and the water tank; and an air inducing device is arranged above the air cooler. According to the device, water film cooling strengthening is achieved on the basis of a closed air cooler, in the water film cooling strengthening process, atomized water drops reach the surface of a film hanging plate, and under the action of the gravity of the water drops, airflow, the special film hanging plate form and the hydrophilic surface, the water drops are captured by the film hanging plate and rapidly stretch to generate a thin water film; according to the method, the water film vaporization efficiency and direct heat exchange on the heat exchange surface are greatly improved, efficient cooling with low water consumption is achieved, and the method has the advantages of being simple in structure, low in cost and the like.

Description

technical field [0001] The invention relates to a cooling device, in particular to a device and method for strengthening water film cooling of an air cooler. Background technique [0002] Air cooler is the abbreviation of air cooler, which is the most widely used heat exchange equipment for condensation and cooling in petrochemical, HVAC and oil and gas processing and production. Air coolers are widely used in industrial circulating cooling water. According to whether the circulating cooling water is in contact with the atmosphere, air coolers are divided into two types: open type and closed type. The open air cooler mainly absorbs heat through the evaporation of the circulating cooling water itself, and then the heat is taken out by the air to achieve the purpose of cooling. The evaporation loss of the circulating water is relatively large, which is about 1-2% of the circulating water volume. At the same time, evaporation causes The circulating water is concentrated, the w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F28D5/02F28F13/18F28F13/12F28F13/04F28F27/00
CPCF28D5/02F28F13/18F28F13/12F28F13/04F28F27/00
Inventor 田京雷张书廷李建新刘金哲张振全张余亮闫金凯孙志强陈胜喜
Owner HEBEI IRON AND STEEL
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