Influence of Air Flow Rate and Evaporation Surface on Cooling of Waste Pool Water Produced by Thermal Baths

2022 8th International Youth Conference on Energy (IYCE) Pub Date : 2022-07-06 DOI:10.1109/IYCE54153.2022.9857543

A. Predajnianska, J. Takács, O. Šikula

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Abstract

Thermal baths in Slovakia produce waste pool water, which is most often discharged to the water recipient. Cooling of waste pool water is ensured by means of cooling ponds or canals. However, cooling the water from the pool is not sufficient. Therefore, thermal bath operators face sanctions for environmental pollution. The possibility of ensuring the maximum temperature of waste pool water is by means of a heat recovery system, which will be presented in the article. If it is not possible to apply a heat recovery system, it is necessary to ensure sufficient cooling of the water in another way. Another possibility of increasing the cooling of wastewater is to ensure a sufficient evaporate area which has a great effect on water cooling. Another crucial parameter that affects the cooling of wastewater is the speed of air flow above the water surface. The article is focused on influence of air flow rate and evaporation surface on cooling of waste pool water produced by thermal baths and briefly introduces another wastewater cooling option, which is a heat recovery system. The results presented in the article indicate a significant impact of the evaporation area on the heat flow through the evaporation.

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风量和蒸发面对温泉浴池废液冷却的影响

斯洛伐克的温泉浴会产生废水，这些废水通常被排放到水接收方。通过冷却池或冷却渠来保证废水的冷却。然而，冷却池中的水是不够的。因此，温泉浴场经营者面临环境污染的制裁。保证废水最高温度的可能性是通过热回收系统，这将在文章中介绍。如果不可能采用热回收系统，则有必要以另一种方式确保水的充分冷却。增加废水冷却的另一种可能性是保证足够的蒸发面积，这对水冷却有很大的影响。影响废水冷却的另一个关键参数是水面以上空气流动的速度。本文重点研究了空气流速和蒸发面对热浴池废水冷却的影响，并简要介绍了另一种废水冷却方案——热回收系统。本文的结果表明，蒸发面积对蒸发过程中的热流有显著影响。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2022 8th International Youth Conference on Energy (IYCE)

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