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首页> 美国卫生研究院文献>International Journal of Environmental Research and Public Health >Potential Savings in DHW Facilities through the Use of Solar Thermal Energy in the Hospitals of Extremadura (Spain)
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Potential Savings in DHW Facilities through the Use of Solar Thermal Energy in the Hospitals of Extremadura (Spain)

机译：通过在埃斯特雷马杜拉（西班牙）的医院中使用太阳能来节省DHW设施

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Hospitals need to prepare large amounts of domestic hot water (DHW) to develop their healthcare activity. The aim of this work was to analyse potential savings that can be achieved by installing solar thermal energy for production of domestic hot water in the hospitals of Extremadura (Spain). For this purpose, 25 hospitals between 533 and 87,118 m and between 15 and 529 beds were studied, three solar factor scenarios were simulated (0.70, 0.75 and 0.80) and the necessary investment and corresponding economic and environmental savings were calculated. Better economic results and energy ratios for 70% of solar contribution were obtained. These results show an average payback of 4.74 years (SD = 0.26) reaching 4.29 kWh/€ per year (SD = 0.20). Undertaking an investment of 674,423 €, 2,895,416 kWh/year of thermal energy could be generated with which to save both 145,933 € and 638 tons of CO per year. It was statistically demonstrated the priority of carrying out an installation with a solar factor of 70%, investing preferably in hospitals in Cáceres over those in Badajoz, especially in the public sector with more than 300 beds. These findings will provide hospital managers with useful information to make decisions on future investments.
机译：医院需要准备大量的生活热水（DHW）以开展医疗保健活动。这项工作的目的是分析在埃斯特雷马杜拉（西班牙）的医院中安装太阳能生产生活热水可实现的潜在节省。为此，对25家医院进行了研究，研究范围为533至87,118 m和15至529张病床，并模拟了三种日照因子情景（0.70、0.75和0.80），并计算了必要的投资以及相应的经济和环境节省。获得了70％的太阳能贡献的更好的经济结果和能源比率。这些结果表明，平均投资回收期为4.74年（SD = 0.26），达到每年4.29 kWh /€（SD = 0.20）。进行674,423欧元的投资，每年可产生2,895,416 kWh的热能，每年可节省145,933欧元和638吨二氧化碳。统计表明，安装太阳能比例为70％的设备是优先事项，与卡达雷斯的医院相比，与巴达霍斯的医院相比，尤其是在拥有300多个床位的公共部门，医院的投资更为可取。这些发现将为医院管理者提供有用的信息，以决定未来的投资。

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