Non-uniform water distribution system for high-position water collecting cooling tower

A high-level water collection and water distribution system technology, applied in water shower coolers, lighting and heating equipment, heat exchanger types, etc.

Active Publication Date: 2015-08-05
SHANDONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the cooling tower is bulky and the space inside the tower is huge. After the ambient wind enters from the air inlet at the bottom of the cooling tower, the flow velocity distribution in the tower is uneven. At the same time, due to the influence of the uniform distribution of the spraying water density, the aerodynamic field in the tower is destroyed again. Distribution, so that the cooling capacity of the cooling tower is not fully utilized, the a

Method used

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  • Non-uniform water distribution system for high-position water collecting cooling tower
  • Non-uniform water distribution system for high-position water collecting cooling tower
  • Non-uniform water distribution system for high-position water collecting cooling tower

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Area A range: Water spray density wqA=1.073q;

[0028] Area B range: Water spraying density wqB=q;

[0029] Area C range: Water spray density wqC = 0.8q.

Embodiment 2

[0031] Area A range: Water spray density wqA=1.12q;

[0032] Area B range: Water spray density wqB=0.9q;

[0033] Area C range: Water spray density wqC = 0.75q.

[0034] In the present invention, outside air enters the high-level water-receiving cooling tower and passes through the water-collecting area. Due to the certain guiding effect of the water-collecting device area on the air, the air flow rate in the central area of ​​the high-level water-receiving cooling tower is the largest, and the air flow rate in the peripheral area is the smallest. Since the air velocity in the middle area is the highest and the cooling water temperature in the middle area is still far from the cooling limit wet-bulb air temperature, that is, the cooling capacity of the middle area still has room for improvement. In order to make use of its cooling capacity as much as possible, the spraying water density in the middle area is increased.

[0035] Due to insufficient air flow in the periph...

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Abstract

The invention discloses a non-uniform water distribution system for a high-position water collecting cooling tower. The non-uniform water distribution system comprises a water distribution area located in the cooling tower, the water distribution of the water distribution area is in non-uniform arrangement and zoning arrangement; that is to say, a non-uniform arrangement mode is adopted from inside to outside in the diameter direction of the high-position water collecting cooling tower. The zoning mode of the water distribution area is that with the vertical axis of the cooling tower as the center, the water distribution area is sequentially divided into three annular areas of different radiuses outwards, and the three annular areas are an area A, an area B and an area C. The non-uniform water distribution system reduces the influence on air uniformity in the tower caused by water spraying density, the cooling capability in the tower is fully utilized, and the cooling efficiency of the high-position water collecting cooling tower is improved.

Description

technical field [0001] The invention belongs to the fields of thermal power plants and atomic energy power generation, and in particular relates to a non-uniform water distribution system of a high-level water-receiving cooling tower for improving the cooling efficiency of the high-level water-receiving cooling tower. Background technique [0002] The use of high-level water-receiving cooling towers is increasing day by day in China. At present, the water distribution system of high-level water-receiving cooling towers is of conventional design, that is, the spraying water density is evenly distributed along the diameter of the water distribution surface. However, the cooling tower is huge and the space inside the tower is huge. After the ambient wind enters from the air inlet at the bottom of the cooling tower, the flow velocity distribution in the tower is uneven. At the same time, due to the influence of the uniform distribution of the spraying water density, the aerodynam...

Claims

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Application Information

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IPC IPC(8): F28F25/02
Inventor 孙奉仲吕冬强赵元宾吴艳艳张一坤
Owner SHANDONG UNIV
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