期刊
INTERNATIONAL COMMUNICATIONS IN HEAT AND MASS TRANSFER
卷 136, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.icheatmasstransfer.2022.106184
关键词
Plume abatement; Water saving; Rectangle module; Mechanical draft wet cooling tower
This study proposes a rectangular module with plume abatement and water saving performance to improve the mechanical draft wet cooling tower (MCT). The plume, water saving, and thermal performance of MCT under different environmental parameters, circulating water parameters, and crosswind conditions are analyzed. The results show that relative humidity, circulating water temperature, circulating water flow rate, and dry-bulb temperature have significant impacts on the plume generation probability. The use of the rectangular module significantly improves water saving and eliminates the plume.
To realize plume abatement and water saving of mechanical draft wet cooling tower (MCT), a rectangular module with plume abatement and water saving performance is proposed in this study. The plume, water saving, and thermal performance of MCT under different the environmental parameters, circulating water parameters, and crosswind conditions are analyzed. The result shows that, with the increase of relative humidity, circulating water temperature, and circulating water flow rate, the probability of plume generated increases. When the dry-bulb temperature increases, the probability of plume generated decreases. With the crosswind velocity increasing, the probability of plume generated decreases under the crosswind angle of 0 degrees, and that increases under the crosswind angle of 90 degrees and 180 degrees. After using the rectangular module, the variation range of water saving amount is from 0.018 to 0.046 L/min, and the water saving rate is 4.3% similar to 16.2%. The plume can be abated, and the outlet water temperature is increased by about 2 degrees C in this study.
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