共查询到20条相似文献,搜索用时 51 毫秒
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提出了一种新型空调排风能量回收系统,该系统将空调房间排出的冷/热量加以回收,对新风进行预冷/预热,起到节能减排效果。根据GB—50019—2003《采暖通风与空气调节设计规范》,对该系统建立了热力学模型,进行了节能性和经济性分析。结果表明:采用能量回收装置后,夏季空调系统节能效率提高了62.1%,冬季空调系统节能效率提高了23.7%。该系统技术上可行,初投资小,节能效果明显,具有重要的理论与实际意义。 相似文献
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结合工程实例对大型货仓式商场的空调通风方式进行阐述和分析,并就此类公共建筑通风设计中的几个问题进行探讨。 相似文献
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设计加工铝-氨热管式换热器一台,用于夏季工况空调排风的余冷回收.通过实验,分析了风速、新排风温差等因素对余冷回收效率的影响,以及两侧压力损失随风速的变化情况.结果表明,余冷回收效率随新、排风温差增大而升高,随风速的增大而降低.该换热器具有换热效果好,阻力小的特点. 相似文献
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鉴于空调系统能耗高,节能潜力又很大的特点,本文探讨了空调系统设计和运行过程中的若干节能措施,并对它们的节能特性进行了分析。 相似文献
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如今,人们对节能和环保的要求越来越高。空调排风热回收系统是时代发展的必然产物,同时也符合空调在发展过程中的可持续理念。本文从多角度对空调排风热回收系统的设计应用进行了分析,希望能对相关设计人员有所帮助。 相似文献
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通过分析得出某高层办公建筑中满足人员卫生要求的新风量可满足空调区所需5~10Pa的正压要求,在保证空调区所需5Pa正压风量的情况下,设有排风热回收的空调方案热回收效率较低,从经济性角度分析不具有可行性. 相似文献
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空调排风热回收系统设计应用浅析 总被引:2,自引:0,他引:2
通过分析与比较,提出了空调系统排风热回收装置的选型原则.结合常见的空调系统形式,介绍了不同类型热回收新风换气装置的应用,并分析各种应用形式的特点及存在的问题. 相似文献
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分析了现有吸附式除湿空调系统存在的问题,详细阐述了一种新型吸附式除湿空调系统的构造、运行原理、性能特性,并对实验结果进行了讨论,为该空调系统的应用提供基础数据及设计指南。 相似文献
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Most air conditioning, energy-saving research has focused on the chiller system, the most effective energy-saving procedure of its kind would be the use of forced downtime or load shedding control methods. However, the use of forced downtime control methods on direct expansion systems, while saving energy, would be at the expense of increasing room temperature, leading to the discomfort of the inhabitants. This research focused on the direct expansion system and used periodic downtime control methods to execute energy-saving procedures, thus providing reasonable temperature control and saving energy at the same time. According to the results, by reducing the periodic downtime, we can improve unstable temperature problems; i.e. operating for 15 min and downtime for 5 min, provided the optimal energy-saving efficiency, saving 21.66% of energy. However, the percentage of high room temperatures during this downtime period was 40.43%, this meant that if we wanted to save energy, we would have to sacrifice comfort; if we wanted more comfort, then we have to select an operating mode that was secondary to operating for 10 min and downtime for 5 min. We also discovered that if the air conditioner manufacturer modified the embedded program and adjusted the limit for upper temperatures of the settings upward by 1 °C, users would save 7.22% of energy; this was a procedure that was more direct and effective than any other energy-saving requisition. 相似文献