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Innovative continuous heating-enhance solar still farm- A case study for irrigation in a pistachio orchard
Sustainable Energy Technologies and Assessments ( IF 8 ) Pub Date : 2024-03-10 , DOI: 10.1016/j.seta.2024.103735
Siamak Hoseinzadeh , Mehdi Soltanian , Mahmud Makabadi , Benedetto Nastasi , Daniele Groppi , Davide Astiaso Garcia

Water scarcity is a global concern that has become one of the main problems for agricultural activities, especially in countries with arid and semi-arid climates like Iran. Sirjan city, a sweltering and arid city in Iran, is one of the locations where its economy mainly relies on pistachio orchards and other agricultural activities, which are highly affected by poor water quality and high TDS of wells. This city's climate, high solar irradiation, sunny sky, and the high requirement for distilled water for irrigation make utilizing solar power and solar-still desalination systems a reasonable choice. However, the low water production rate of conventional solar still systems prevents the use of this technology in field-scale projects and real agricultural activities. Therefore, we mixed solar still and solar power, to enhance the water production rate and provide water with proper TDS for a pistachio orchard in Sirjan City. In comparison to conventional solar still, the proposed continuous heating-enhanced solar still benefits from several improvements, including passing water through the grooved glass that leads to lowering the glass temperature, increasing water basing temperature by a heating element, polyurethane isolation of basin and capability of working during day and night. The mentioned improvements will lead to an increase in daily water production by 21% from 5.5 to 6.6, 24% from 5.5 to 6.8, 31% from 5.5 to 7.2, and 44% from 5.5 to 7.92 respectively. Therefore, utilizing all the mentioned approaches leads to a 120% increase in daily water production from 5.5 to 12.17 L and in comparison, to the conventional mechanisms, significantly reduces the required area for the system. The results showed that the proposed method is highly effective and could be used in real agricultural activities in arid and semi-arid climates.

中文翻译:

创新型连续加热强化太阳能蒸馏农场——以开心果园灌溉为例

水资源短缺是全球关注的问题,已成为农业活动的主要问题之一,特别是在伊朗等干旱和半干旱气候的国家。锡尔詹市是伊朗闷热干旱的城市,是其经济主要依赖开心果果园和其他农业活动的地区之一,这些地区深受水质差和水井TDS高的影响。这座城市的气候、高太阳辐射、晴朗的天空以及对灌溉用蒸馏水的高要求使得利用太阳能和太阳能蒸馏海水淡化系统成为合理的选择。然而,传统太阳能蒸馏器系统的产水率较低,阻碍了该技术在现场规模项目和实际农业活动中的使用。因此,我们将太阳能蒸馏器和太阳能混合发电,以提高产水率,为锡尔詹市的开心果园提供具有适当TDS的水。与传统的太阳能蒸馏器相比,所提出的连续加热增强型太阳能蒸馏器受益于多项改进,包括使水穿过凹槽玻璃,从而降低玻璃温度、通过加热元件提高水基温度、盆的聚氨酯隔离和能力白天和晚上工作的时间。上述改进将使日产水量分别从5.5增加到6.6、从5.5增加到6.8增加24%、从5.5增加到7.2增加31%、从5.5增加到7.92增加44%。因此,利用所有上述方法可使日产水量增加 120%,从 5.5 升增加到 12.17 升,与传统机制相比,显着减少了系统所需的面积。结果表明,该方法非常有效,可用于干旱和半干旱气候下的实际农业活动。
更新日期:2024-03-10
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