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Self-adaptive adjustment method for inclination angle of fan in indirect air cooling tower

A technology of cooling towers and air cooling towers, applied in the direction of water shower coolers, direct contact heat exchangers, heat exchange equipment, etc., can solve the problems of weakening the supercharging effect of mechanical ventilation, loss of momentum, and complicated air flow, etc., to achieve Effects that weaken momentum loss, reduce included angle, and strengthen pressurization effect

Active Publication Date: 2022-04-29
SOUTHEAST UNIV
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Problems solved by technology

However, the flow of airflow in the air cooling tower is relatively complicated. After the mechanical ventilation device is arranged in the tower, there is an angle between the airflow at the outlet of the fan and the airflow in the tower, which causes the two airflows to collide with each other and cause momentum loss, thereby weakening the pressurization of the mechanical ventilation. Effect

Method used

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  • Self-adaptive adjustment method for inclination angle of fan in indirect air cooling tower
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  • Self-adaptive adjustment method for inclination angle of fan in indirect air cooling tower

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Embodiment Construction

[0018] The technical solution of the present disclosure will be described in detail below in conjunction with the accompanying drawings. In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "horizontal", "vertical", "center", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing this application. The application and simplified description do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and thus should not be construed as limiting the application. In addition, "inside and outside" means inside and outside with respect to the outline of each member itself.

[0019] figure 1 It is a flow chart of the method described in the present application. In this method, the fan is arranged on a plane in the indirect air-cooli...

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Abstract

The invention discloses an adaptive adjustment method for the inclination angle of a fan in an indirect air cooling tower, relates to the technical field of indirect air cooling systems in power stations, and solves the problem that the angle between the air flow at the outlet of the fan and the air flow in the tower is relatively large, so that the thermal power of the indirect air cooling system For technical problems with poor performance, the main point of the technical solution is to divide the operating status of the fan and the partition of the fan through the dominant wind speed and direction in the area of ​​the indirect air cooling tower, and then query according to the operating status of the fan and the partition of the fan The inclination angles corresponding to the fans in different operating states and different partitions, and finally adjust the angles of each fan according to the inclination angles. As a result, the angle between the outlet airflow of the fan in the tower and the airflow in the tower is reduced, the momentum loss caused by the impact is weakened, the pressurization effect of the fan is strengthened, and the thermal performance of the indirect air cooling tower is finally improved.

Description

technical field [0001] The present disclosure relates to the technical field of an indirect air cooling system of a power station, and in particular to an adaptive adjustment method for an inclination angle of a fan in an indirect air cooling tower. Background technique [0002] In recent years, the indirect air-cooling system has achieved rapid development due to its high water-saving performance. However, because the cooling medium is air, the heat transfer coefficient is low, and the thermal performance is closely related to the external environment. Affect the heat transfer effect, and when the ambient wind speed is too high, the ambient wind will also reduce the cooling effect of the air cooling tower. [0003] In order to weaken the adverse effects of high temperature and ambient wind on the indirect air-cooling system and improve the thermal performance of the indirect air-cooling system, the main methods currently used include arranging fillers, spray pre-cooling, de...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F28F25/12F28F27/00
CPCF28F25/12F28F27/003
Inventor 司风琪蔡宁宁马欢
Owner SOUTHEAST UNIV
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